A drug infusion device with security base includes a reservoir, used for accommodating the drug to be infused, provided with a piston and a screw; a driving wheel, connected with the screw, driving the screw to push the piston forward by rotation; an infusion needle unit, including an infusion needle and a infusion needle holder, the infusion needle holder used to fixedly place the infusion needle; an adhesive patch, for attaching the infusion device module to the skin surface; and a security base, arranged on the bottom of the adhesive patch, provided with an infusion needle accommodating part, for accommodating the infusion needle when the infusion device is priming. The infusion needle accommodating part can accommodate the infusion needle protruding from the adhesive patch, preventing the infusion needle from stabbing the user.
A skin patch drug infusion device is disclosed. The skin patch drug infusion device includes an infusion mechanism module, the infusion mechanism module includes an infusion module and a circuit module, the circuit module includes: a circuit board or a three-dimensional circuit coated on the surface of part components, for supplying power to specific units; a power supply, for supplying power to the infusion device; an elastic conductor, provided with at least a protrusion, for electrically connecting the power supply to the specific connection end on the circuit board or three-dimensional circuit; a control mechanism module, electrically connected with the infusion mechanism module; and an adhesive patch, for attaching the infusion mechanism module and the control mechanism module to the skin surface. The elastic conductor is provided with protrusions.
A skin patch drug infusion device includes an infusion mechanism module, the infusion mechanism module includes a reservoir, used for accommodating the drug to be infused, a screw and a piston connected with the screw are arranged inside; a driving wheel assembly, threadedly connected with the screw, wherein the driving wheel assembly includes a driving wheel body and a movable block, the driving wheel body and the movable block are operatively connected, when the movable block is in opened, the screw does not engage with the driving wheel assembly, and when the movable block is closed, the screw engages with the driving wheel assembly. The infusion mechanism module further includes a control mechanism module, electrically connected with the infusion mechanism module; and an adhesive patch, for attaching the infusion mechanism module and the control mechanism module to the skin surface.
A skin patch drug infusion device is provided. The device includes an infusion mechanism module, a control mechanism module and an adhesive patch. The infusion mechanism module includes an infusion module and a circuit module. The circuit module includes: a circuit board or a three-dimensional circuit coated on the surface of part components, for supplying power to specific units; a driving unit, for pushing the driving wheel of the infusion mechanism module to implement drug infusion; a conductive tower-spring, including a middle part with a small diameter and two end parts with a large diameter in the axial direction, for fixing the driving unit and electrically connecting the driving unit and the specific connection end on the circuit board or three-dimensional circuit. The control mechanism module is electrically connected with the infusion mechanism module. The adhesive patch is used for attaching the infusion mechanism module and the control mechanism module to the skin surface.
A drug infusion device with embedded power supply includes a drug reservoir, used for accommodating the drug to be infused, provided with a piston and a screw; a driving wheel, connected with the screw, driving the screw to push the piston forward by rotation; a power supply, used to supply power to the infusion device, including a power supply shell, a battery cell, electrolyte and a cover plate; a frame, used to carry the drug reservoir, the driving wheel, the power supply and electrical connection terminals of specific components, the power supply is electrically connected to the electrical connection terminals of specific components to realize power supply to the infusion device; a case, including an upper case and a lower case, for accommodating the drug reservoir, the driving wheel, the power supply and frame.
A skin patch drug infusion device includes an infusion mechanism module, the infusion mechanism module includes an infusion module and a circuit module, the circuit module includes: a circuit board or a three-dimensional circuit coated on the surface of part components, for supplying power to specific units; a power unit, for providing power to pull the driving wheel of the infusion mechanism module to implement drug infusion; a conductive platform, provided with a conductive platform protrusion, for electrically connecting the power unit to the specific connection end on the circuit board or three-dimensional circuit; a control mechanism module, electrically connected with the infusion mechanism module; and an adhesive patch, for attaching the infusion mechanism module and the control mechanism module to the skin surface.
An integrated skin patch artificial pancreas includes an infusion mechanism module, including a case, provided with multiple second electrical contacts exposed on the case and multiple second engaging portions; a control mechanism module, provided with multiple first electrical contacts exposed on the surface of the control mechanism module and multiple first engaging portions, the control mechanism module including an input end and an output end, and the input end including electrically connective regions for receiving signals of analyte data in the body fluid and an infusion tube (150), provided with multiple electrodes.
A skin patch drug infusion device includes an infusion mechanism module, the infusion mechanism module includes an upper case and a lower case; a control mechanism module, arranged on the lower case, and electrically connected with the infusion mechanism module; and an adhesive patch, including a tape and a protective film. The first side of the tape is fixedly connected with the lower case of the infusion mechanism module, and the second side opposite the first side of the tape is coated with a paste material, the protective film is fixed around the outer edge of the first side of the tape, the outer edge of the protective film contour corresponds to the outer edge of the tape, and the rockwell hardness of the protective film is higher than the tape.
An enhanced drug infusion device includes a drug reservoir, used for accommodating the drug to be infused, provided with a piston and a screw; a driving wheel, connected with the screw, driving the screw to push the piston forward by rotation; a driving unit, driving the driving wheel to rotate; a power unit, connected with the driving unit, to offer power for the driving unit; a case, for accommodating the reservoir, the driving wheel, the driving unit and the power unit; and an adhesive patch , for attaching the infusion device to skin. The adhesive patch includes at least two layers of tape, the first side of the first layer of tape is fixedly connected with the bottom of the case, and the second side opposite to the first side of the first layer of tape is coated with an adhesive material.
A skin patch drug infusion device, includes a control mechanism module provided with multiple first engaging portions and a first electrical connection exposed on the surface of the control mechanism module; and an infusion mechanism module including a case, with a second electrical connection exposed on the surface of the case and second engaging portions that engaged with the first engaging portions; and an alarm, non-closed arranged in the control mechanism module. When the control mechanism module and the infusion mechanism module are assembled with each other, the first engaging portions and the second engaging portions are engaged, the first electrical connection and the corresponding second electrical connection are electrically connected to each other, thereby the control mechanism module and the infusion mechanism module are electrically connected to each other.
A skin patch drug infusion system, includes: an infusion mechanism module, including: a reservoir, for accommodating a drug to be infused, and provided with a drug inlet and a drug outlet; an infusion needle, one end of the infusion needle communicated with a drug outlet of the reservoir, and the other end of the infusion needle is delivered subcutaneously to realize drug infusion; a control mechanism module, connected with the infusion mechanism module to control the drug infusion; a sensing module, operatively connected to the control mechanism module and used to sense or recognize the user's body movements, and different body movements representing different functional instructions, and according to the body movement sensed or recognized by the sensing module, the control mechanism module controlling the infusion mechanism module to execute corresponding functional instructions; and an adhesive patch, for attaching the infusion mechanism module.
A driving structure of a drug infusion device, includes at least one driving unit and at least one driving wheel; a linear actuator connected with the driving unit; a switch unit electrically connected with the linear actuator; a power supply, the power supply, the switch unit and the linear actuator electrically connected to form a power supply circuit; and a program unit, including a timer electrically connected to the switch unit, when the timer works, the switch unit is closed to turn on the power supply circuit, and the linear actuator is powered; when the timer stops working, the switch unit is opened to disconnect the power supply circuit, and the linear actuator stops being powered, which makes the infusion device have multiple different infusion modes and improves user experience.
A bilaterally driven drug infusion system, includes: an infusion unit, including a drug storage unit; a piston and a driving wheel respectively connected with a screw, the driving wheel, provided with wheel teeth, driving the screw movement by rotation, the piston arranged in the drug storage unit, the screw advancing the piston to move; a driving unit, cooperated with the driving wheel; a power unit, connected to the driving unit; a control unit, controlling the driving unit to output forces in two different directions on the driving unit; and sensing unit, operatively connected to the control unit and used to sense or recognize the user's body movements, and different body movements represent different functional instructions, and according to the body movement sensed or recognized by the sensing unit, the control unit controlling the infusion unit to execute corresponding functional instructions.
An analyte detection system, includes a bottom case housing, which is used for mounting to the surface of human skin; a sensor mounted on the bottom case housing for detecting the analyte parameter information; a transmitter unit including a transmitters shell, an internal circuit, a transmitter and a motion sensor, the transmitter sending the analyte parameter information to the outside world, the motion sensor connected to the internal circuit operationally, used for induction or identify the user's body movements. According to induction or recognition of body movements by the motion sensor, the internal circuit controls the sensor or the transmitter to execute the corresponding functional instructions to enhance the user experience.
A patch-type drug infusion device, includes a control structure provided with multiple first fastening portions and first electrical contacts; and an infusion structure, including a case, provided with multiple second electrical contacts and second fastening portions that cooperate with the first fastening portions, an outward extending portion provided on the case, and a block provided on the outside of the outward extending portion. The first fastening portions and the second fastening portions are fastened, making the control structure and the infusion structure assembled together, the first electrical contacts connect with the corresponding second electrical contacts. The block can prevent the control structure from detaching from the infusion structure.
A driving mechanism of a drug infusion device, includes at least one driving unit and at least one driving wheel, the driving unit, moving in the driving direction, driving the driving wheel to rotate; a linear actuator, electrically connected with the driving unit, pulling the driving unit to move in the driving direction after being powered; a switch unit group, including a first switch unit and a second switch unit, the first switch unit electrically connected with the linear actuator; a power supply, the power supply, the switch unit group and the linear actuator electrically connected to form a power supply circuit that supplies power to the linear actuator; when the linear actuator being powered, the driving unit implementing driving, and the driving unit triggering a first signal, indicating the end point of the driving direction.
A patch-type drug infusion device includes a control structure provided with multiple first fastening portions and first electrical contacts; and an infusion structure including a case, a power supply, a flexible circuit board, and an elastic conductor, and provided with multiple second electrical contacts and second fastening portions that cooperate with the first fastening portions. The first fastening portions and the second fastening portions are fastened, the first electrical contacts connect with the corresponding second electrical contacts, making the structure more compact and improving the space utilization rate inside the infusion structure.
A patch-type drug infusion device, includes a control structure provided with multiple first fastening portions and first electrical contacts; and an infusion structure including a case, with multiple second electrical contacts exposed on the surface of the case and second fastening portions that cooperate with the first fastening portions, when the control structure and the infusion structure are assembled with each other, the first fastening portions and the second fastening portions are fastened, the first electrical contacts and the corresponding second electrical contacts press against each other, thereby electrically connecting the control structure and the infusion structure, which helps to optimize the internal circuit design and improve the reliability of the electrical connection.
A compact patch-type drug infusion device includes a control structure provided with multiple first fastening portions and first electrical contacts; and an infusion structure including a case, a power supply, multiple three-dimensional circuits, and an elastic conductor, and provided with multiple second electrical contacts and second fastening portions that cooperate with the first fastening portions. The first fastening portions and the second fastening portions are fastened, the first electrical contacts connect with the corresponding second electrical contacts, making the structure more compact and improving the space utilization rate inside the infusion structure.
A driving structure of a drug infusion device, includes at least one driving unit and at least one driving wheel; a linear actuator, electrically connected with the driving unit, pulling the driving unit to move in the driving direction after being powered; a power supply used to supply the power to the linear actuator; a program unit and a first switch unit. The power supply, the program unit, the first switch unit and the linear actuator are electrically connected, when the linear actuator is powered, the driving unit implements driving, and the driving unit triggers a first signal, indicating the end point of the driving direction, which reduces the power consumption of the infusion device.
A unilaterally driven drug infusion system, includes: an infusion unit, including a reservoir, a piston and a screw, the piston arranged in the reservoir; a driving unit including a rotating shaft and a driving member, the driving member including a driving end; a driving wheel provided with wheel teeth; a linear actuator and a reset unit respectively connected to the driving member; a control unit controlling the linear actuator or the reset unit to apply different driving powers on the driving member; and a sensing unit operatively connected to the control unit and used to sense or recognize the user's body movements, and different body movements represent different functional instructions, and according to the body movements sensed or recognized by the sensing unit. The control unit controls the infusion unit to execute corresponding functional instructions.
A61M 5/168 - Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters
G16H 20/17 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients delivered via infusion or injection
A needle mechanism module for drug infusion device, includes: an infusion needle, provided with a front end and a rear end; a needle holder; provided with at least an auxiliary engaging part, the infusion needle being arranged on the needle holder, when the needle holder is at the working position, the rear end is inserted into the skin, and the front end is connected to the drug storage unit of the infusion device; an auxiliary engaging portion, arranged within the infusion device, engaged with the auxiliary engaging part to limit the needle holder at the working position; and a stopper, arranged on the housing of the infusion device, when the needle mechanism module is at intermediate position, the stopper limits the position of the needle holder, the front end is connected with the drug storage unit of the infusion device, to balance the internal and external pressures.
An integrated artificial pancreas with multiple infusion modes, includes: drug infusion unit; program unit comprising input end and output end, and the input end comprises a plurality of electrically connective regions for receiving signals of analyte data in the body fluid, after the output end is electrically connected to the power unit, the program unit controls whether the drug infusion unit delivers drugs; and an infusion cannula provided with at least two detecting electrodes, the infusion cannula is the drug infusion channel, the electrodes are disposed on the cannula wall. It takes only one insertion to perform both analyte detection and drug infusion.
An infusion needle structure of drug infusion device includes: an infusion needle including a front end and a back end; a needle holder provided with at least one auxiliary fastener; one fastening portion, arranged inside the infusion device, cooperates with the auxiliary fastener to lock the needle holder in the working position; an unlock hole provided on the needle holder or on the housing of the infusion device; and an unlock rod that is inserted into the unlock hole and pushed, thus releasing and resetting the needle holder. The infusion needle is able to reset and released when the infusion device is during replacement.
A high-reliability analyte detection device, includes: a bottom shell ; a sensor, with the sensor being assembled on the bottom shell, the sensor including a signal output end and a detection end, wherein the signal output end is provided with at least two mutually insulated first electrical connection areas, and the signal output end is curved or bent toward the bottom surface of the bottom shell; a transmitter, with the transmitter and the bottom shell being engaged with each other, and the transmitter being provided with at least two mutually insulated second electrical connection areas which correspond to the first electrical connection areas, wherein the first electrical connection areas are electrically connected to the corresponding second electrical connection areas; and an elastic member, with the signal output end being in contact with the elastic member.
A61B 5/145 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value
A61B 5/1473 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
29.
CLOSED-LOOP ARTIFICIAL PANCREAS INSULIN INFUSION CONTROL SYSTEM
A closed-loop artificial pancreas insulin infusion control system, includes: a detection module; a program module is configured to obtain the insulin dose infused per day by users; an infusion module, connected to and controlled by the program module, is configured to infuse insulin required according to the data of the current insulin infusion dose; and a motion sensor configured to sense the user's physical activity status which is sent to the program module and is one of the variable factors of the total daily dose (TDD) algorithm or the current insulin infusion algorithm. This system automatically detect the physical condition of the user and accurately calculate the TDD value and the current insulin infusion dose, enhancing user experience.
A61B 5/11 - Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
G16H 10/60 - ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
A highly integrated analyte detection device is provided. The transmitter is composed of a shell, a cover body, a circuit module and an electrical connection module. The circuit module is fixedly connected with the shell, one end of the electric connection module is fixedly connected with the circuit module, the other end extends to the outside through the through hole on the shell, and is electrically connected with other structural parts. The sealing material is filled between the electric connection module and the through hole, and the cover body and the shell are clamped together to form a seal for the circuit module, which makes the transmitter structure simpler. The shell and the circuit module can be processed separately and then assembled. The production process is less difficult and the production cost is reduced at the same time.
A61B 5/145 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value
A61B 5/1468 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using chemical or electrochemical methods, e.g. by polarographic means
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
A unilaterally driven drug infusion device includes: a reservoir, a piston and a screw, the piston connected with the screw and arranged in the reservoir; a driving unit including rotating shaft and driving member, and the driving member including driving end; driving wheel provided with wheel teeth; a linear actuator and a reset unit respectively connected to the driving member; and at least two blocking walls, arranged at one side of the driving unit to limit the advancing position of the driving unit. The infusion device is able to precisely control the rotation amplitude of the driving member and improve the infusion accuracy of the infusion device. The user or the closed-loop system is able to flexibly select different infusion modes to precisely control the body fluid level to meet the needs of the body, improving user experience.
An installation unit of an analyte detection device, includes: a sensor unit, which is provided near a front end of the installation unit; a trigger component, prior to starting the trigger component, the installation unit not performing an installation action; an auxiliary needle module, which is used to prick the in vivo part of a sensor under the skin; a parallel slider module, which is used to carry the sensor unit; a base, which is embedded in the installation unit from the front end of the installation unit; an elastic assembly, which is sleeved on the auxiliary needle module; and an outer casing, which is used to carry the trigger component, the auxiliary needle module, the parallel slider module, and the base. The installation unit has a simple and compact structure, a small size, low production and fabrication costs, and is convenient for users to use.
A61B 5/1473 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
A61B 5/145 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value
33.
BODY FLUID ANALYTE DETECTION DEVICE AND CONTINUOUS GLUCOSE MONITORING DEVICE
A body fluid analyte detection device, includes: a transmitter, provided with at least one first clamping part; a bottom shell, provided with a second clamping part corresponding to the first clamping part, the transmitter being assembled on the bottom shell by mutual snap fitting of the first clamping part and the second clamping part, the bottom shell including a fixing part and a force application part, and the fixing part being fixed and applying a force to the force application part in a direction to disable the bottom shell, so that the first clamping part and the second clamping part are separated from each other, and then the bottom shell and the transmitter are separated; a battery, used for supplying power to the transmitter; a sensor, used for detecting body fluid analyte parameter information and electrically connected to the transmitter to transmit a parameter signal.
A body fluid analyte detection apparatus is provided. Applying a force to a force applying portion of a bottom case in one direction can make the bottom case fail, and then separate the bottom case and a transmitter from each other. Before the bottom case is mounted to a human body, the bottom case is fixed together with a mounting unit by means of a snap-fit portion. Operation steps of a user when separating the bottom case from the transmitter are reduced, and the failure rate of the bottom case before being mounted to the human body is also reduced, thereby improving the user experience, and enhancing the reliability of the body fluid analyte detection apparatus.
A unidirectional-driven drug infusion device, includes: a reservoir, a piston and a screw, the piston is arranged in the reservoir; a driving module which includes at least one driving wheel and at least one driving arm that cooperate with each other, the circumferential surface of the driving wheel is provided with wheel teeth; a power module coupled to the driving arm; a control module, connected to the power module, controls the power module to apply different driving powers to the driving arm, making the driving arm perform linear reciprocating motion; and a friction member which is in contact with the surface of the driving wheel. This device can fully utilize the internal space of the infusion device, and its weight and volume is reduced.
A bilaterally driven closed-loop artificial pancreas, includes: a detection module; an infusion module, the infusion module includes: a drug storage unit; a screw and a driving wheel provided with wheel teeth, the driving wheel driving the screw and the screw pushing a piston; a driving unit cooperating with the driving wheel, the driving unit including at least two driving portions; a power unit connected to the driving unit, the power unit outputting two forces in two directions on the driving unit; and a program module. The power unit is controlled by the program module. The artificial pancreas has higher infusion efficiency and can enhance user experience.
A61M 5/14 - Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
G16H 20/17 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients delivered via infusion or injection
A bilateral-driven patch-type drug infusion device comprises: an infusion unit; a driving wheel drives the screw to move by rotation, pushing the piston forward; a driving unit includes at least two driving portions, the driving unit pivots around a pivot shaft, driving different driving portions in different direction; and an infusion tube structure, which includes a base and an infusion needle, and the base includes an initial position (L), a working position (N), and an intermediate position (M). The driving unit can drive the driving wheel in two directions for infusion drug, making the infusion unit have multiple infusion modes, enhancing user experience.
A bilaterally driven closed-loop artificial pancreas, includes: a detection module; an infusion module, including: a drug storage unit; a screw and a driving wheel provided with wheel teeth, the driving wheel driving the screw and the screw pushing a piston; a driving unit cooperating with the driving wheel, the driving unit including at least two driving portions; a power unit connected to the driving unit, the power unit outputting two forces in two directions on the driving unit; and a program module imported the total daily dose algorithm and the current insulin infusion algorithm. The artificial pancreas can accurately calculate the TDD value and the current insulin infusion dose, and enhance user experience.
A bilaterally driven intelligent control infusion device, comprising: infusion unit, the infusion unit comprises a drug storage unit, a piston and a rigid screw, the piston is arranged in the drug storage unit, a metal piece arranged on the piston, fixedly connected to the rigid screw; a driving wheel, provided with wheel teeth, drives the screw movement by rotation, the screw advances the piston to move; a driving unit cooperating with the driving wheel; and a power unit, connected to the driving unit, outputs forces in two different directions on the driving unit to lead driving unit to pivot; a position detector, interacted with the metal piece to generate signal; a program unit, connected to the infusion unit, convert the received signal into the piston position information and can control the driving unit to operate with different infusion rate according to requirements.
A body fluid analyte detection device, includes: a transmitter, provided with at least one first fastener part; a bottom case, provided with at least one second fastener part corresponding to the first fastener part, and the bottom case including at least one fixed portion and at least one force-receiving portion. When separating the bottom case and the transmitter, the fixed portion is fixed and a force is applied to the force-receiving portion in one direction, separating the bottom case and the transmitter. The body fluid analyte detection device further includes a sensor connected with the transmitter to transmit the parameter signal; and a battery assembled in the bottom case or in the transmitter. The part holding the battery is the battery portion. A force is applied to the force-receiving portion in only one direction to make the bottom case fail and thereby separating the transmitter and the bottom case, simplifying user action and enhancing user experience.
An analyte detection device with intelligent identification function, includes: a transmitter; a sensor unit including a sensor base and a sensor with first parameter, and one end of the sensor inserted under the skin while the other end is installed in/on the sensor base; a bottom base; at least one physical unit with second parameter which corresponds to the first parameter arranged on the bottom base, on the sensor base or on/in the transmitter; and a detection circuit for detecting the second parameter which can be transmitted to the transmitter. Using this detection device, the transmitter can automatically identify the corresponding sensor information.
A61B 5/1473 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
A high reliability analyte detection device includes: a bottom case; a sensor, assembled on the bottom case, including a signal output portion and a detection portion, and the signal output portion, which has a shape of a polyline or an arc toward the top of the bottom case provided with at least two first electrical connection ends insulated from each other; a transmitter, fastened with the bottom case provided with at least two second electrical connection ends which are insulated from each other and correspond to the first electrical connection ends, and one elastic member contacted with signal output portion, improving the electrical connection, thus enhancing the user experience.
A61B 5/145 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value
A61B 5/1473 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
A61B 5/0215 - Measuring pressure in heart or blood vessels by means inserted into the body
A highly integrated intelligent analyte detection device, includes: a bottom case including a first connection region; a transmitter including a transmitter case and an internal circuit, the internal circuit including at least two second electrical connection ends and at least two first electrical connection ends, at least two first electrical connection ends electrically conductive; a sensor including a signal output portion and a detection portion, and the signal output portion provided with at least two third electrical connection ends; and a second connection region including at least two conductive areas and at least one insulation area, and at least two third electrical connection ends respectively electrically connected to the corresponding second electrical connection ends, reducing the complexity of internal structure in the device and the size of the device, thus enhancing the user experience.
A61B 5/145 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value
B01L 3/00 - Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
A61B 5/1468 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using chemical or electrochemical methods, e.g. by polarographic means
A highly integrated analyte detection device, includes: a bottom case; a sensor including a signal output portion and a detection portion; a transmitter provided with at least two second electrical connection ends which are corresponding to the first electrical connection ends; and a connection member, arranged between the first electrical connection ends and the second electrical connection ends, including at least two conductive areas and at least one insulation area. The insulation area is provided between two adjacent conductive areas, and at least two first electrical connection ends are respectively electrically connected to the corresponding second electrical connection ends.
A medical device with safety verification, comprising: a remote device; a functional device, the functional device can receive functional instructions from the remote device (100), the functional instructions include drug infusion instructions or non-infusion instructions; and a safety verification module installed in the functional device. After the safety verification module receives a verification instruction that matches the functional instruction, the functional device can execute the functional instruction; and the verification instruction includes the user's body movement. Before the medical device performs various functions, safety verification is required in order to improve the safety of the medical device.
An integrated closed-loop artificial pancreas includes: a detection module; a program module which is imported into the total daily dose algorithm and the current insulin infusion algorithm; and an infusion module which is connected to the program module. The infusion module includes an infusion tube which is used as the insulin infusion channel, the detecting electrodes are provided on/in the wall of the infusion tube, and the infusion module can infuse insulin required according to the data of the current insulin infusion dose. It takes only one insertion to perform both glucose detection and insulin infusion.
G16H 20/17 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients delivered via infusion or injection
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
47.
CLOSED-LOOP ARTIFICIAL PANCREAS CONTROLLED BY BODY MOVEMENTS
A closed-loop artificial pancreas controlled by body movements, which includes: a sensor used for detecting blood glucose concentration; an infusion module used for infusing drug into the body; a control module connected to the sensor and the infusion module, respectively; and a sensing module operatively connected to the control module and used to sense or recognize the user's body movements, and different body movements represent different functional instructions, and according to the body movement sensed or recognized by the sensing module, the control module controls the sensor or the infusion module to execute corresponding functional instructions, which enhances the user experience.
A unilateral-driven patch-type drug infusion device, includes: an infusion unit, which includes a drug storage unit; a screw connected to a piston and a driving wheel provided with wheel teeth, respectively, the driving wheel drives the screw to move by rotation, pushing the piston forward; at least one driving unit cooperating with the driving wheel, the driving unit includes at least one driving portion; a power unit and a reset unit coupled to the driving unit, and an infusion tube structure, which includes a base and an infusion needle, and the base includes an initial position, a working position, and an intermediate position. This infusion device can output controllable and stable driving force, which eliminates safety hazards and improves user experience.
A61M 5/36 - Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm rests with means for eliminating or preventing injection or infusion of air into body
A high reliability drug infusion device, includes: a drug storage unit including a drug outlet; a screw connected to a piston and a driving wheel provided with wheel teeth, respectively, the driving wheel drives the screw to move by rotation, pushing the piston forward; at least one driving unit cooperating with the driving wheel, the driving unit includes at least one driving portion a power unit and a reset unit connected to the driving unit, and the reset unit includes an elastic reset component and a linear-actuated reset component, and the elastic reset component alone applies a force to or together with the linear-actuated reset component to control the reset movement of the driving unit. The high reliability drug infusion can be used for improving the reliability and increasing the user's flexibility in choosing the infusion method.
A unilaterally driven closed-loop artificial pancreas, includes: a detection module, an infusion module and a program module. The infusion module includes a reservoir, a piston, a screw, a driving unit, a driving wheel provided with wheel teeth, at least one linear actuator and at least one reset unit. The driving unit includes at least one rotating shaft and at least one driving member. The driving member includes a driving end. The driving member rotates around the rotating shaft. The linear actuator and the reset unit respectively connect to the driving member. The program module is connected to the detection module and the infusion module respectively, imported the total daily dose algorithm and the current insulin infusion algorithm. The driving power can be controlled, and it can accurately calculate the TDD value and the current insulin infusion dose.
A61B 5/145 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value
G16H 40/67 - ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
A unilateral-driven drug infusion device includes a drug storage unit, a screw, at least one driving unit, a power unit, a reset unit and an infusion tube. The drug storage unit includes a drug outlet. The screw is connected to a piston and a driving wheel provided with wheel teeth, respectively, wherein the driving wheel drives the screw to move by rotation, and push the piston provided in the drug storage unit to move forward. The driving unit cooperates with the driving wheel, wherein the driving unit includes at least one driving portion. The power unit and the reset unit are connected to the driving unit. The infusion tube includes a connection end and a subcutaneous end, and the connection end is communicated with the drug outlet and the subcutaneous end.
This invention discloses a drug infusion device, including: a drug storage unit; a piston and a driving wheel respectively connected with a screw, the driving wheel drives the screw to move by rotation, the piston is arranged in the drug storage unit, the screw advances the piston to move; a driving unit cooperating with the driving wheel, the driving unit includes more than two driving arms, the driving unit, through the multiple pivoting movement modes, drives driving arms to perform tooth number adjustable driving on the driving wheel for increment-adjustable infusion; and a power unit connected to the driving unit, the power unit exerts a force on the driving unit to lead the driving unit to perform a plurality of pivot steps. More than two driving arms are stalled on the driving unit, thereby achieving multi-level engagement on the driving wheel, and finally achieving the purpose of increment-adjustable infusion.
The invention discloses a miniature closed-loop artificial pancreas system, comprising: infusion unit configured to deliver drugs; program unit comprising input end and output end, and the input end comprises a plurality of electrically connective regions for receiving signals of analyte data in the body fluid, after the output end is electrically connected to the infusion unit, according to the received signals of analyte data in the body fluid, the program unit controls whether the infusion unit delivers drugs; an infusion cannula with conductive area, the infusion cannula is the drug infusion channel; and a plurality of electrodes for detecting analyte data in body fluid, the electrode comprising conductive-area electrode and cannula-wall electrode, and one or more cannula-wall electrodes being located on/in the wall of the infusion cannula. It takes only one insertion to perform both analyte detection and drug infusion.
A61B 5/145 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value
A61B 5/1473 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
55.
BILATERAL-DRIVEN MEDICAL DEVICE WITH INFUSION AND DETECTION INTEGRATED
The invention discloses a bilateral-driven medical device with infusion and detection integrated, comprising: drug infusion unit; program unit comprising input end and output end, and the input end comprises a plurality of electrically connective regions for receiving signals of analyte data in the body fluid, after the output end is electrically connected to the power unit, the program unit controls whether the drug infusion unit delivers drugs; and an infusion cannula provided with at least two detecting electrodes, the infusion cannula is the drug infusion channel, the electrodes are disposed on the cannulawall. It takes only one insertion to perform both analyte detection and drug infusion.
A61B 5/145 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value
A61B 5/1473 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
A61M 5/145 - Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. by means of pistons
A61M 5/172 - Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters electrical or electronic
The invention discloses a highly integrated analyte detection system, including: a bottom case; a sensor structure, the sensor structure includes a sensor and a sensor base, the sensor includes a signal output end and a detection end, and at least two first electrical connection areas insulated from each other are provided on the surface of the signal output end; and a transmitter, the transmitter and the bottom case are fastened with each other, and the transmitter is provided with second electrical connection areas, which are insulated from each other, corresponding to the first electrical connection areas, each second electrical connection area is electrically connected to the corresponding first electrical connection area. Such a design reduces the height of the sensor structure, making the overall structure of the detection system more compact, as a result, reducing the volume and enhancing the user experience.
The invention discloses an intelligently controlled miniature fully closed-loop artificial pancreas, comprising: infusion unit configured to deliver drugs; program unit comprising input end and output end, and the input end comprises a plurality of electrically connective regions for receiving signals of analyte data in the body fluid, after the output end is electrically connected to the infusion unit, according to the received signals of analyte data in the body fluid, the program unit controls whether the infusion unit delivers drugs; an infusion cannula with conductive area, the infusion cannula is the drug infusion channel; and a plurality of electrodes for detecting analyte data in body fluid, the electrode comprising conductive-area electrode and cannula-wall electrode, and one or more cannula-wall electrodes being located on/in the wall of the infusion cannula. It takes only one insertion to perform both analyte detection and drug infusion.
A61M 5/145 - Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. by means of pistons
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
The invention discloses a bilaterally driven integrated medical device, comprising: infusion unit; program unit comprising input end and output end, and the input end comprises a plurality of electrically connective regions for receiving signals of analyte data in the body fluid, after the output end is electrically connected to the power unit, the program unit controls whether the infusion unit delivers drugs; an infusion cannula with conductive area(s); and a plurality of electrodes for detecting analyte data in body fluid, the electrode comprising conductive-area electrode(s) and cannula-wall electrode(s), the conductive area of the infusion cannula being at least as a conductive-area electrode, and one or more cannula-wall electrodes being located on/in the wall of the infusion cannula. It takes only one insertion to perform both analyte detection and drug infusion.
A61M 5/145 - Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. by means of pistons
A61B 5/1473 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
The invention discloses a micro-analyte detection device, which comprises a bottom case, the bottom board of the bottom case is provided with a mounting hole; a sensor structure, the sensor structure includes a sensor and a sensor base, and the sensor includes a signal output end and a detection end, and a transmitter, the transmitter includes a transmitter housing and an electronic device, the electronic device is provided with an electrical connection area, when the transmitter is installed in the working position, the electrical connection area is electrically connected with the signal output end. This device effectively reduces the overall thickness of the analyte detection device and enhances the user experience.
The invention discloses a unilateral-driven medical device with infusion and detection integrated, comprising: drug infusion unit; program unit comprising input end and output end, and the input end comprises a plurality of electrically connective regions for receiving signals of analyte data in the body fluid, after the output end is electrically connected to the power unit, the program unit controls whether the drug infusion unit delivers drugs; and an infusion cannula provided with at least two detecting electrodes, the infusion cannula is the drug infusion channel, the electrodes are disposed on the cannula wall. It takes only one insertion to perform both analyte detection and drug infusion.
A61M 5/145 - Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. by means of pistons
A61B 5/1473 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
A patch-type drug infusion device includes an infusion unit. The infusion unit includes a drug storage unit, a piston, a rigid screw, a rotating shaft, a rotatable driving unit, a driving wheel provided with wheel teeth, a power unit and a rebound unit. The driving unit can rotate around the rotating shaft, driving the driving portion of the driving unit to push the wheel teeth to rotate the driving wheel which engages the rigid screw to move forward in a non-rotating way. The device also includes position detectors, a program unit, an infusion needle and an adhesive patch. The program unit is connected to the infusion unit to control drug infusion and convert received electrical or magnetic signals into the piston position information.
A61M 5/315 - Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod; Appliances on the rod for facilitating dosing
A61M 5/145 - Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. by means of pistons
G16H 20/17 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients delivered via infusion or injection
A drug infusion device includes a drug storage unit, a driving unit, a position detecting area, a power unit and a control unit. The piston is disposed in the drug storage unit, and a driving rod is connected to the piston. The driving unit includes a driving part and a positioning part. The driving unit drives the driving part and the positioning part to move. The positioning part interacts with the position detecting area at different positions to trigger different position signals. The power unit applies a force to move the driving unit. The control unit is connected to the position detecting area to receive the position signals, according to the position signals, the control unit controls the direction of the force applied by the power unit to move the driving unit and form optional infusion modes.
A sensing device includes a base, a probe structure and a transmitter structure. The base is provided with a first fastener part. The probe structure includes a second fastener part, a probe and a connection area. The transmitter structure includes a transmitter housing and a transmitter disposed inside the transmitter housing, the transmitter housing is provided with a connection hole, the shape of which matches the shape of the probe structure, and when the transmitter structure is mounted to the base, the probe structure is located in the connection hole, and the transmitter is electrically connected to the connection area to receive the signal generated by the probe.
The invention discloses an integrated drug infusion device, comprising: infusion unit configured to deliver drugs; program unit comprising input end and output end, and the input end comprises a plurality of electrically connective regions for receiving signals of analyte data in the body fluid, after the output end is electrically connected to the infusion unit, according to the received signals of analyte data in the body fluid, the program unit controls whether the infusion unit delivers drugs; an infusion cannula with conductive area, the infusion cannula is the drug infusion channel; and a plurality of electrodes for detecting analyte data in body fluid, the electrode comprising conductive-area electrode and cannula-wall electrode, the conductive area of the infusion cannula being at least as a conductive-area electrode, and one or more cannula-wall electrodes being located on/in the wall of the infusion cannula. It takes only one insertion to perform both analyte detection and drug infusion.
The invention discloses a closed-loop artificial pancreas device with integrated detection and infusion, comprising: infusion unit configured to deliver drugs; program unit comprising input end and output end, and the input end comprises a plurality of electrically connective regions for receiving signals of analyte data in the body fluid, after the output end is electrically connected to the infusion unit, according to the received signals of analyte data in the body fluid, the program unit controls whether the infusion unit delivers drugs; an infusion cannula with conductive area, the infusion cannula is the drug infusion channel; and a plurality of electrodes for detecting analyte data in body fluid, the electrode comprising conductive-area electrode and cannula-wall electrode, the conductive area of the infusion cannula being at least as a conductive-area electrode, and one or more cannula-wall electrodes being located on/in the wall of the infusion cannula.
A unilaterally driven drug infusion device with multiple infusion modes includes a reservoir, a piston, a screw, a driving unit, at least one driving wheel provided with teeth, a linear actuator, a reset unit, and a control unit. The piston is arranged in the reservoir. The driving unit includes a rotating shaft and a driving member, and the driving member includes a driving end. The linear actuator and the reset unit are respectively connected to the driving member. The control unit controls the linear actuator or the reset unit to apply different driving powers on the driving member to make the driving member have a variety of different operating modes.
A miniature patch-type control infusion device includes an infusion unit (102). The infusion unit (102) comprises a drug storage unit(s) (100), a metal piece (110), a piston(s) (120), a rigid screw(s) (130), a rotating shaft (160), a driving unit(s) (150), a driving wheel(s) (140) provided with wheel teeth (141), a power unit(s) (180) and a rebound unit(s) (170). The driving unit (150) includes at least two driving portions (151a, 151b). The driving unit (150) can rotate around the rotating shaft (160) in the driving direction and the returning direction. The power unit (180) and the rebound unit (170) cooperate with each other to apply force to the driving unit (150) to rotate the driving unit (150). The infusion device also includes a position detector(s) (190), the metal piece (110) and the position detector(s) (190) interact to generate signals. Using this infusion device, patients will have more infusion rate options, which increase the flexibility of controlling drug infusion.
A drug infusion device with multiple infusion modes, includes: a reservoir (110), a piston (120) and a screw (130), the piston (120) is arranged in the reservoir (110); a driving module at least includes a first driving unit and a second driving unit that cooperate with each other, the second driving unit drives the screw (130) forward; a power module connected to the first driving unit; and a control module (101), connected to the power module, controls the power module to apply different driving powers to the first driving unit, making the first driving unit have a variety of different operating modes, thereby making the infusion device have various different infusion increments or infusion rates. The user or the system can flexibly select the infusion mode, which enhances the user experience.
A bilaterally driven drug infusion device with multiple infusion modes comprises: a drug storage unit (150); a piston (160) and a driving wheel (130,630) respectively connected with a screw (170), the driving wheel (130,630), provided with wheel teeth (131,631), drives the screw (170) movement by rotation, the piston (160) is arranged in the drug storage unit (150), the screw (170) advances the piston (160) to move; a driving unit (100,200,300,400,500,600) cooperating with the driving wheel (130,630); and a power unit (180,680), connected to the driving unit (100,200,300,400,500,600), outputs forces in two different directions (A′,B′) on the driving unit (100,200,300,400,500,600) to lead driving unit (100,200,300,400,500,600) to perform multiple-mode operation, making the infusion device have multiple infusion increments or infusion rates. The driving unit (100,200,300,400,500,600) has a variety of different pivot amplitudes, that is, the driving unit (100,200,300,400,500,600) can realize multiple-mode pivot, thereby achieving increment-adjustable infusion.
The invention relates to a pulp paper for flexible film zinc-manganese battery, which comprises a base paper with only one layer and slurry coated on both sides which comprises modified starch, polyelectrolyte, water retaining agent, organic/inorganic composite corrosion inhibitor, and electrolytes wherein the polyelectrolyte is one or more of polyglutamic acid, sodium polyglutamate, potassium polyglutamate, polyaspartic acid, sodium polyaspartate and sodium polyaspartate, and the water retaining agent is a sodium salt or a potassium salt of hyaluronic acid. The pulp paper in the invention has the advantages of thin layer, simple composition, fast absorption speed, large liquid absorption capacity, good liquid-retaining ability, good ionic conductivity and low wet resistance which boosts good application value in the field of flexible battery technology. The flexible film zinc-manganese battery applying the pulp paper has advantages of low resistance, large battery capacity, good high current and excellent pulse discharge capacity.
A method for algorithm adjustment applying a motion sensor in a Continuous Glucose Monitoring system and a system using the method are provided. The method includes sensing an activity level of a patient by a motion sensor set in a CGM device of the CGM system and providing signals to a processer, then adjusting a series of related algorithms depending partly on the signals by the processer to provide more accurate and reliable blood glucose related data that is the basis of desirable treatment plans, and automatically operating the COM device including switching the CGM device to an audio-off mode or pausing a calibration of the glucose sensor by the processer.
The present invention provides a closed loop control method to control an artificial pancreas and the artificial pancreas using this method, comprising constructing an autoregressive model by initiatively introducing the insulin absorption lag factor, calculating an amount of insulin to be delivered at the current time using the autoregressive model and a PID controller respectively, and tuning the parameters of the autoregressive model and the PID controller respectively using the average of the calculation results in order to provide a more accurate prediction of glucose trends and a more desirable amount of insulin delivery.
A61M 5/172 - Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters electrical or electronic
G16H 20/17 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients delivered via infusion or injection
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
A61B 5/145 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
74.
System and method for a closed loop control in an artificial pancreas
The present invention provides a closed loop control method in an artificial pancreas and a system using the method, comprising sensing an activity level of a patient by at least one motion sensor and providing signals to at least one processer; then adjusting a series of related algorithms depending partly on the signals by the processer to provide more accurate and reliable data that is the basis of desirable treatment plans, and sending corresponding instructions by the processer for automatic operations of the artificial pancreas to realize a closed loop control.
A61M 5/172 - Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters electrical or electronic
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
A delivery safety ensuring method for a wearable delivery system, comprising two major steps to double-ensure that an instruction sent from a smart device trying to control the wearable delivery device reflects the true intention of the user. The first step is to restrict a delivery amount instructed by smart device within a pre-determined range using an alternative physical key, and the second step is to require authentication using an independent authentication tool through proximity communication. Both steps of the safety ensuring method require no open network access, solving the problem of the smart device being vulnerable to program failure and external viruses so as to enhance delivery safety, especially against malicious external attacks from open network. A wearable delivery system using this method is further provided.
G16H 20/10 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
A61M 5/172 - Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters electrical or electronic
G08B 7/06 - Signalling systems according to more than one of groups ; Personal calling systems according to more than one of groups using electric transmission
G16H 20/17 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients delivered via infusion or injection
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
A delivery system of a portable delivery device, using a chamber with three connections structure (10) arranged on the upper housing (1) as a buffer channel for the flow passage of the drug fluid from the external syringe into the reservoir (6) and from the reservoir (6) into the infusion needle; and the structures on the upper, the lower housings (1), (4) and the needle seat (2) accommodating the infusion needle mate with each other sophisticatedly ensuring the compactness of the delivery device and enabling the patient to control the position of the infusion needle safely and conveniently at the same time; in additional, the needle seat cover (7, 8) which covers the needle seat (2) enhances the safety of using the infusion needle. The delivery system of a portable delivery device has advantages of small size, sophisticated structure, simple operation, safety guarantee.
A one step all-in-one apparatus for body fluid sampling and sensing, comprising: a housing(1), a plurality of integrated sampling and sensing assemblies, a cartridge(12), sealing films(101,102), an upper cover(13), a sampling port(6), a linear actuating mechanism and a control circuit, with every integrated sampling and sensing assembly comprising a micro fluid-sampling needle(2), a needle hub(3) and a test strip(4); the micro fluid-sampling needles(2) penetrate the skin to sample the body fluid and deliver the body fluid to the test strips(4) directly, and changes occurred on the test strips(4) are read by the sensor(5), wherein sampling and sensing are completed in one step. The sealing films(101,102) and a plurality of chambers(15) of the cartridge(12) compose sealed reaction chambers(15) and the linear actuating mechanism which is connected with the control circuit electrically drives the integrated sampling and sensing assemblies allowing the micro sampling needles(2) to penetrate the skin and reach the designated depths under the skin. The one step all-in-one apparatus for body fluid sampling and sensing has advantages as small size, high efficiency, convenient operation, short time consumption, less fluid consumption, depth-controllable penetration, and accurate and reliable results.
A61B 5/1455 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using optical sensors, e.g. spectral photometrical oximeters
A61B 5/157 - Devices for taking samples of blood characterised by integrated means for measuring characteristics of blood
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
78.
Unilateral driving mechanism for a portable infusion system
A unilateral driving mechanism for a portable infusion system is provided. The unilateral driving mechanism comprises an actuator (1), a swinging part (2), gears (4), blockers (5), a compression spring (6), a rod (7), a reservoir (8), a plunger (9) and a control circuit. One end of the rod (7) is connected with the gears (4), the other end of the rod (7) is connected with the plunger (9), and one lower limb of the swinging part (2) is connected with the spring (6). The unilateral driving mechanism for a portable infusion system has advantages of compact structure, small volume, low power consumption, low cost, high precision and convenience in use.
A multi-mode power supply system for a portable infusion device is provided, comprising a Battery I and an Battery II, the Battery I constantly charges the Battery II constituting a charging circuit, which adopts one of multiple charging modes including a basal-rate slow charging mode, a bolus-dose fast charging mode and a background charging mode depending on different drug infusion conditions; the Battery I powers the control unit independently, and the Battery II powers the driving unit independently; a unidirectional conduction circuit, a monitoring circuit and a detecting circuit are further comprised to ensure the normal operation of the power supply system under various circumstances. Any two of the Battery I, the Battery II, the driving unit and the control unit can be located in one housing, and the other two in the other housing; regardless of any particular combination, the coupling of the Battery I with the control unit and the Battery II with the driving unit are both implemented directly by a connecting element or connecting elements. This implementation of power supply meets both needs of basic functions and high power functions of the system with stability and efficiency.
Disclosed is a disposable tubeless fluid delivery system, comprising a button unit for receiving instructions given by a user through pressing button, a key unit for outputting a selection instruction indicating at least one working mode a fluid reservoir unit for storing a fluid, an indwelling unit for letting through the fluid to a patient, wherein the indwelling unit comprises an indwelling cannula, and a fluid driving unit for delivering the fluid stored in the fluid reservoir unit to the subcutaneous tissue of the patient by the indwelling unit, and a control unit for outputting the delivery instruction to the fluid driving unit and controlling the fluid driving unit to deliver the fluid or suspend fluid delivery. In the present disclosure, a pump base and a wireless control device are integrated to achieve a purpose of small volume, low cost and convenient wearing.
A tubeless fluid delivery device, comprising a controller (11) and a pump (12) combined with the controller (11). The controller (11) comprises a first housing having a first built-in circuit. The first housing is provided with a first engagement portion and a first insertion portion electrically connected to the first built-in circuit. The pump (12) comprises a second housing having a second built-in circuit, a drug storage cylinder, a piston, a push rod, a driving means and a battery. The second housing is provided with a second engagement portion correspondingly engaged with the first engagement portion and a second insertion portion electrically connected to the second built-in circuit. The second insertion portion is correspondingly inserted in the first insertion portion to realize electrical connection. The present disclosure solves the problem that a drug fluid infusion device in the prior art has complex operation, large size and high cost.
A61M 5/44 - Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm rests having means for cooling or heating the devices or media
F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
F04B 19/22 - Other positive-displacement pumps of reciprocating-piston type
F04B 23/02 - Pumping installations or systems having reservoirs
F04B 53/14 - Pistons, piston-rods or piston-rod connections
The present invention relates to the field of film materials for biosensors, in particular to a film for biosensors and a preparation method. Provided is an organosilicon polymer, the raw materials thereof comprising the following components: at least one active organosilane, at least one curing agent, at least one optional hydrophilic copolymer and at least one optional regulator and/or filling. The membrane prepared from the provided organosilicon polymer has outstanding oxygen permeability and is adjustable in water absorption rate, and can put regulation and restriction on the diffusion of analytes (e.g. glucose) and interferents (e.g. acetaminophen). Meanwhile, the provided organosilicon polymer film also has indispensable physical strength and superior biocompatibility, and can serve as a multifunctional polymer film material for biosensors, such as anti-interference layer, analyte regulating layer and biocompatible layer.
A61B 5/1486 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using enzyme electrodes, e.g. with immobilised oxidase
A61B 5/1468 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using chemical or electrochemical methods, e.g. by polarographic means
A61B 5/1473 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
C08G 77/12 - Polysiloxanes containing silicon bound to hydrogen
C08G 77/20 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
C08G 77/26 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen nitrogen-containing groups
Disclosed is an analyte sensing system (1), comprising: a sensor probe (11) for collecting the analyte content in human body and transmitting the collected analyte content information; a transmitter (13) connected to the sensor probe (11) for receiving the analyte content information transmitted by the sensor probe (11) implanted subcutaneously and converting same into a radio signal to output; and a receiver for receiving the radio signal comprising the analyte content information transmitted by the transmitter (13) and converting same into analyte content data to display to the user. The analyte sensing system (1) uses an automatic installer (122) to implant the sensor probe (11) into the human body, and obtains the analyte content information collected by the sensor probe (11) through the transmitter (13) and the receiver. The analyte sensing system (1) has a small structure, and is easy to use and convenient to operate.
A61B 5/145 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value
A61B 5/1473 - Measuring characteristics of blood in vivo, e.g. gas concentration, pH-value using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
patents
