Various systems and methods for treating the spine are provided. A portal system can be provided for treating the spine. The portal system can include a portal comprising a proximal end and a distal end, a first passageway extending between the proximal end and the distal end, a second passageway extending between the proximal end and the distal end, and a latch. The bone tie can include a head, a body section comprising one or more gears, and a fastener section comprising a ratchet.
A spinal implant device is provided comprising a body structure and a movable door coupled or configured to couple to the body structure. The spinal implant device can include a distal end, a proximal end, two opposing side walls extending between the distal end and the proximal end, an upper wall, a lower wall, and a central cavity. The movable door is configured to open to allow the central cavity to be packed with material and the movable door is configured to close. A method is provided comprising providing a spinal implant device, packing the cavity with the material, closing the movable door, and inserting the spinal implant device between adjacent vertebrae. A method of manufacturing a spinal implant device is provided comprising 3D printing a spinal implant device, wherein the spinal implant device is 3D printed as one piece.
Various embodiments of bone ties, interbody devices, and methods for treating the spine are provided. The method can include positioning an interbody device in an intervertebral space. The method can include positioning the bone tie through the interbody device. The method can include tightening the bone tie, wherein the bone tie is configured to promote spinal fusion.
A spinal implant device is provided comprising a body structure with a central cavity and a movable lid configured to cover the central cavity. The movable lid is configured to be opened to pack a material in the central cavity. The movable lid can be connected to the body structure with a moveable joint. The spinal implant device can include a compressible feature. A method for treating the spine is provided comprising opening a movable lid of a spinal implant device, packing a material in a central cavity of a spinal implant device, closing the movable lid, and inserting the spinal implant device between vertebrae.
A curved expandable interbody device for placement between vertebrae having an upper structure, a lower structure, and a screw mechanism, wherein actuation of the screw mechanism moves the upper and lower structures between a collapsed configuration and an expanded configuration. A deployment tool couples to the curved expandable interbody device for positioning the device between adjacent vertebrae and actuating the screw mechanism, wherein the deployment tool can lock to the curved expandable interbody device and pivot relative to the curved expandable interbody device.
Various embodiments of bone ties, bone tie inserters, and methods for treating the spine are provided. The bone tie can include a proximal end and a distal end. The bone tie can include a head section comprising a rounded head. The bone tie can include a neck section extending proximally from the head section. A bone tie inserter for placing a bone tie can also be provided. The bone tie inserter can include a bone tie advancer with a curved surface configured to guide a rounded head of a bone tie. The bone tie inserter can include a bone tie retriever configured to receive the rounded head of a bone tie. The bone tie is configured to pivot and/or rotate within the retriever portion of the bone tie inserter. The method can include forming a lumen in a first bone portion and a second bone portion. The bone tie can be configured to pivot and/or rotate as the bone tie retriever is withdrawn.
Various embodiments of filling assemblies and methods are provided. The filling assembly can include a barrel and receiving block assembly configured to couple to a tube. The filling assembly can include a filling auger, wherein the filling auger is configured to rotate and translate to fill the tube with material. The method of filling a tube can include disposing flights of a filling auger within a barrel and receiving block assembly. The method can include coupling a tube to the barrel and receiving block assembly. The method can include rotating and translating flights of the filling auger within the barrel and receiving block assembly to fill the tube with material. The filling assemblies can be utilized for loading material into small diameter tubes, including small diameter tubes used for spinal fusion for delivering graft material, biologics, and/or other material to the disc space.
B65B 1/12 - Methods of, or means for, filling the material into the containers or receptacles by rotary feeders of screw type
B65B 1/06 - Methods of, or means for, filling the material into the containers or receptacles by gravity flow
B65B 1/10 - Methods of, or means for, filling the material into the containers or receptacles by rotary feeders
B65B 1/04 - Methods of, or means for, filling the material into the containers or receptacles
B65B 1/02 - Machines characterised by the incorporation of means for making the containers or receptacles
B65B 1/00 - Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans or jars
A61F 2/46 - Special tools for implanting artificial joints
A61F 2/00 - Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
Various embodiments of delivery devices and methods for delivering material are provided. The delivery device can include a barrel support configured to couple with a barrel. The barrel can include a lumen configured to receive a cartridge. The delivery device can include a stock including a handle. The delivery device can include a break action configured to allow the barrel support and the stock to pivot. The method of delivering material to a surgical site can include inserting a tip of a barrel of a delivery device into a surgical site. The barrel can include a lumen. The barrel can be coupled to a barrel support. The barrel support can be coupled to a stock. The stock can include a handle. The method of delivering material to a surgical site can include actuating a break action to allow the stock to pivot relative to the barrel support.
Various embodiments of bone ties, bone tie inserters, and methods for treating the spine are provided. The methods can include wrapping the bone tie around transverse processes of adjacent vertebrae to correct coronal plane deformity. The methods can include wrapping the bone tie around the spinous process of one vertebra and around the transverse process of a second adjacent vertebra to achieve rotational correction. The methods can include wrapping the bone tie around the lamina of adjacent vertebrae to achieve sagittal correction. The methods can include applying tension to the bone tie to set the sagittal correction. The methods can include passing the bone tie through a lumen in a vertebral body or a pedicle of the inferior vertebra and the lamina or articular process of the superior vertebra.
A retractor for use in surgical operations comprises a first blade, a second blade, and a third blade. In operation, the blades are initially in a closed position to assume a low profile during insertion. The blades can be independently translated and independently pivoted, thereby stretching the skin about the incision to form an aperture larger than the incision. In some embodiments, a method of performing an operation on a patient using the disclosed retractor is provided.
Various embodiments of bone ties, bone tie inserters, and methods for treating the spine are provided. The bone tie can include a proximal end and a distal end. The bone tie can include a head section comprising a rounded head. The bone tie can include a neck section extending proximally from the head section. A bone tie inserter for placing a bone tie can also be provided. The bone tie inserter can include a bone tie advancer with a curved surface configured to guide a rounded head of a bone tie. The bone tie inserter can include a bone tie retriever configured to receive the rounded head of a bone tie. The bone tie is configured to pivot and/or rotate within the retriever portion of the bone tie inserter. The method can include forming a lumen in a first bone portion and a second bone portion. The bone tie can be configured to pivot and/or rotate as the bone tie retriever is withdrawn.
Various embodiments of cervical plates for treating the spine are provided. The cervical plates include an access surface and a bone facing surface. The cervical plate further includes at least one hole between the access surface and the bone facing surface. The hole includes a trajectory surface that guides an anchor into a corner or edge of a vertebral body, wherein a portion of the hole extends into the disc space region. In some embodiments, the cervical plate includes a ledge to support high angle screw insertion. In some embodiments, an interbody implant is provided. The cervical plate and the interbody spacer can have a corresponding curvature.
A retractor for use in surgical operations comprises a pair of blade assemblies. In operation, the blade assemblies are initially in a closed position to assume a low profile, inserted into a relatively small incision, and stretched apart from each other, thereby stretching the skin about the incision to form an aperture longer than the incision. The retractor is adapted to rotate a first blade about a first axis and a second blade about a second axis. The retractor is adapted to move the pair of blade assemblies apart along a third axis. The retractor is adapted to pivot the first blade about a fourth axis and the second blade about a fifth axis. In some embodiments, a method of performing an operation, e.g. a spinal operation, on a patient using the disclosed retractor is provided.
Methods and devices are disclosed for treating the facet joint. An implant for treating the facet joint is provided comprising a fixation plate having an access surface and a bone facing surface, a spacer configured to be inserted into the facet joint, and at least one hinge between the spacer and the bone facing surface of the fixation plate. A method for treating a facet joint comprising a superior articular process and an inferior articular process is provided comprising the steps of implanting a spacer between the superior articular process and the inferior articular process, positioning a fixation plate over the facet joint, and securing the fixation plate to at least one of the superior articular process and the inferior articular process. Another method comprises the steps of providing an implant comprising a fixation plate having an access surface and a bone facing surface, a spacer, and at least one hinge between the spacer and the bone facing surface of the fixation plate.
An interspinous process device includes a first plate, a second plate, and a transverse member between the first plate and the second plate, wherein the second plate is adjustably coupled to the transverse member. A post is coupled to the transverse member and a spring mechanism is disposed between the post and the first plate. The spring mechanism is configured to provide a preloaded compression force to the first and second plates. Methods of implanting the interspinous process device using an inserter tool are also disclosed.
A flexible fastening band connector can comprises a recess to receive a distal end portion of a flexible fastening band and lumen to receive the proximal end portion of the flexible fastening band. The lumen guides the proximal end portion of the flexible fastening band toward a fastening mechanism. The flexible fastening band connector can comprise an opening to receive a spinal rod. In operation, the spinal rod is coupled to additional devices to secure the spinal rod to portions of one or more vertebra. In some embodiments, a method of performing an operation, e.g. a spinal operation, on a patient using the disclosed connector is provided.
A retractor for use in surgical operations comprises a pair of blade assemblies. In operation, the blade assemblies are initially in a closed position to assume a low profile, inserted into a relatively small incision, and stretched apart from each other, thereby stretching the skin about the incision to form an aperture longer than the incision. The retractor is adapted to rotate a first blade about a first axis and a second blade about a second axis. The retractor is adapted to move the pair of blade assemblies apart along a third axis. The retractor is adapted to pivot the first blade about a fourth axis and the second blade about a fifth axis. In some embodiments, a method of performing an operation, e.g. a spinal operation, on a patient using the disclosed retractor is provided.
An articulating rod inserter is configured for use in delivering a fixation rod to an orthopedic fixation system through a cannula or tower. The articulating rod inserter is releasably coupled to a rod and can move the rod from a generally aligned configuration, wherein the longitudinal axes of the rod and rod inserter are generally aligned, to an angled configuration, wherein the longitudinal axis of the rod is at an angle to the longitudinal axis of the rod inserter. The rod is inserted into the patient through a first tower and then articulated to a second tower such that the rod extends between two or more fixation devices.
An expandable interbody device for placement between adjacent vertebrae having an upper structure, a lower structure and a screw mechanism, wherein actuation of the screw mechanism moves the upper and lower structures between a collapsed configuration and an expanded configuration. A deployment tool couples to the expandable interbody device for positioning the device between adjacent vertebrae, actuating the screw mechanism and delivering a material to a chamber of the expandable interbody device.
In some embodiments, a device for reinforcement of a facet joint is provided. The device comprises a lumen configured to receive a fastener member. In some embodiments, a second segment comprises a second lumen configured to receive a fastener member or fastener. In some embodiments, kits are provided with a fastener member and a facet reinforcement device. Methods are also provided for treating a spine. In some embodiments, the fastener member is placed through both articular processes of a facet joint and a facet reinforcement device.
In some embodiments, a method includes disposing a flexible band through an aperture of a support member, the support member having a fixation portion configured to secure the support member to a first bone portion. The method includes advancing a portion of the flexible band through an attachment portion of the flexible band until the flexible band is secured to a second bone portion. The method includes advancing a portion of the fixation portion of the support member into the first bone portion until the support member is secured to the first bone portion.
In some embodiments, a method comprises forming a lumen in a first bone portion and forming a lumen in a second bone portion. The method further includes inserting a portion of a flexible fastening band through the lumen in the first bone portion and through the lumen in the second bone portion, and inserting the portion of the flexible fastening band into a fastener mechanism monolithically formed with the flexible fastening band. The method further includes advancing the portion of the flexible fastening band through the fastener mechanism until the first bone portion and the second bone portion are stabilized.
In some embodiments, a method comprises disposing a portion of a flexible fastening band into contact with a first bone portion and into contact with a second bone portion. The portion of the flexible fastening band having a substantially uniform shape configured to substantially compliment a shape of the first bone portion and a shape of the second bone portion. The method further includes inserting the portion of the flexible fastening band into a fastener and advancing the portion of the flexible fastening band through the fastener until the first bone portion and the and the second bone portion are stabilized.
In some embodiments a method comprises disposing an implant into contact with a first bone portion and into contact with a second bone portion, the implant having (1) a first interface configured to receive a restraining member, and (2) a second interface. The method further comprises inserting a portion of the fastener member into the first interface. The method further comprises securing the fastener member such that the first bone portion and the second bone portion are fixed to each other, at least in part by a substance after the securing, at least a portion of the substance disposed through the second interface.
Devices and methods for creating lumens in the articular process of the vertebra are provided. An embodiment of the invention can be a tool that can cut a curved lumen through the articular process. The tool can have a lumen-forming arm with a rotating drill contained within that can be powered by a drill motor. The lumen-forming arm can be axially translated to cut a path through the articular process. Methods of using the resulting lumens to anchor or stabilize facet joint prosthesis, and also altering the spacing and motion at the facet joints of the vertebral column, are provided.
Devices and methods are disclosed for treating the vertebral column. One embodiment provides a transverse connector for vertebral fixation systems comprising a first connector body comprising a first engaging member for engaging a first elongate member and a first locking member, a second connector body comprising a second engaging member for engaging a second elongate member, and a transverse rod coupled to the first connector body and the second connector body, thereby forming an articulation between a first end of the transverse rod and the first connector body, wherein the first locking member is configured to secure both the articulation and the first elongate member to the first connector body.
A minimally invasive method for accessing a facet joint of the spine is provided. Embodiments of the method include creating a small incision directly over the facet joint and to allow direct access and visualization of the joint. A second incision, which may be a puncture wound, is provided at a distance from the first incision. A path between the second incision and the facet joint is then formed which may be curved or substantially straight. The path is preferably configured to intersect both facet surfaces. The path may be formed using an instrument which can be used to drill a hole across the facets, insert a fastener across the facets, or the like.
Devices and methods are provided for immobilizing facet joints of the vertebral column. Embodiments of the invention provide an implant that is inserted in a facet joint from which cartilage has been removed, and which retains the approximate original spacing of the facets in the joint. A retaining arrangement, such as an adhesive, a threaded fastener, or a screw is then used to secure the implant in the joint.
A rod-fastener combination device for spinal stabilization is provided. The device combines a rod and a spinal fastener in a single unit, which allows the rod to move relative to the fastener prior to its being fixed in place, e.g. with a set screw.
A bone attachment device comprises an attachment collar having a hinged lid is disclosed. The bone attachment device may also comprise a bone fastener (such as a bone screw). A bone attachment device including an attachment collar and a spinal rod locking device is disclosed. A bone attachment device as described herein may be used together with a spinal stabilization rod and one or more additional bone attachment devices. Such devices are adapted to clamp and hold a spinal stabilization rod. Methods for implanting a spinal stabilizer having a bone attachment device including a hinged Ud are disclosed.
Devices and methods for creating holes in the articular process of the vertebra are provided. One embodiment of the invention comprises a drill head comprising a frame, punch arm with punch tip and opposing plate. Methods of using the resulting holes to anchor or stabilize facet joint prosthesis, and also altering the spacing and motion at the facet joints of the vertebral column, are provided.
Methods and devices are disclosed for treating the vertebral column. An integrated fixation plate (102) and spacer (114) having a retaining structure within the screw holes (112) of the fixation plate to resist backout of screws (158) attaching the fixation plate to the bone is provided. A movable joint (308) may be provided between the fixation plate and spacer. In some embodiments, a screw hole insert is also provided to resist shear forces acting between the screw and fixation plate. In some embodiments, an integrated fixation plate and spacer system (246,248) is provided, comprising two or more integrated fixation plate and spacer implants, wherein the fixation plates of each implant has a complementary configuration to allow attachment of the implants at adjacent intervertebral spaces. Alternative fixation systems are also contemplated.
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