21 results about "Spinal implant" patented technology

Disclosed herein are an inserter instrument, a system including the inserter, a spinal implant, and fasteners for affixing the implant to the spine of a subject, and related methods for performing spinal procedures including insertion of spinal plates. The inserter includes a housing, an inner sleeve slidably disposed within the housing, and an awl slidably disposed within the housing and inner sleeve. The housing includes a rotatable portion configured to actuate translation of the inner sleeve proximally or distally relative to the housing along a central axis to releasably engage the spinal implant using a distal engagement portion of the inner sleeve. The awl is configured to form a pilot hole in a vertebra at the surgical site, which is configured to receive a fastener to fix the spinal plate to the spine.

An extendable spinal implant includes a stationary plate having a housing and a first plate body defining a tissue-engaging surface, a bearing nut having internal threading and including a collar and a tube body, and an extendable plate including a threaded shaft and a second plate body defining a second tissue-engaging surface. First and second one-way ratchet interfaces of the housing and the collar, respectively, are configured to engage one another permitting rotation of the bearing nut in a first rotational direction and inhibiting rotation thereof in a second, opposite rotational direction. Thus, axial extension of the extendable plate from the housing which rotates the bearing nut in the first rotational direction is permitted while axial retraction of the extendable plate into the housing is inhibited by the engagement of the first and second one-way ratchet interfaces inhibiting rotation of the bearing nut in the second, opposite rotational direction.

A spinal implant device for placement between vertebral bodies includes a housing, at least one screw member in the housing, and at least one drive shaft operably engageable with the screw member. The housing includes a first shell member and a second shell member. At least the first shell member has step tracking comprising a plurality of individual riser members for receiving the at least one screw member. The height of the plurality of individual riser members may change along the step tracking. The drive shaft may be operable to rotate the at least one screw member, causing the at least one screw member to move on the plurality of individual riser members. The at least one screw member comprises an external helical thread having a thickness configured to fit in the gaps between adjacent individual riser members, and is engageable with the first and second shell members, whereby the first and second shell members move relative to each other in response to the rotation of the at least one screw member to effect an expansion of the housing or a contraction of the housing from the expansion by reversing the rotation of the at least one screw member.

The present disclosure provides an expandable spinal implant comprising a plurality of moveable endplates pivotably connect to a housing.

A spinal implant capable of generating an electric output includes a first endplate, a second endplate, and a piezoelectric component disposed between the first and second endplates. The spinal implant may further include an intermediate body and a second piezoelectric component disposed between the intermediate body and the second endplate. The inner surfaces of the endplates and / or the intermediate body may be non-planar, such as having an undulating shape. The electric output is produced when the endplates of the spinal implant undergo a force, including a compressive force and / or a shear force.

The present disclosure includes bone screws, spinal implant, drivers, and their assemblies thereof or surgical procedures of the spine including but not limited to anterior lumbar interbody fusion (ALIF) procedures.

Adjustable spinal devices, instruments for assessing and measuring the dimensions of an intervertebral space, and instruments for deploying the spinal devices are described. The spinal devices may comprise temporary trial devices or permanent spinal implants, and may be configured for placement between two vertebral bodies. A surgical instrument is described which comprises an elongate shaft having a proximal handle and a distal end portion, a first mating feature for securing the distal end portion of the shaft to the device and a second mating feature for engaging a translation member within the spinal fusion device. The instrument further comprises an adjustment device for moving the translation member to adjust an angle between upper and lower endplates of the device. The instrument may further comprise a third mating feature and a second adjustment device for adjusting a height of the device.

An additive manufacturing system for printing a spinal implant in situ within a patient is disclosed. The system can include a robotic subsystem having a scanning and imaging device and a gantry including at least one dispensing nozzle, and a controller device having a processor and a non-transitory computer readable medium. The controller can control the scanning and imaging device to determine a target alignment of a patient's spine; develop an in situ printing plan, including an in situ material selection plan, based on the target alignment of the patient's spine, an interbody access space, and a disc space between adjacent vertebrae of the patient's spine; and execute the in situ printing plan. The controller can further control the gantry to dispense at least one material selected from a rigid material and a pliable material to form at least one motion preserving implant.

A surgical instrument includes a first arm having a first part connectable with a first interface or a second interface of a spinal implant. A second arm includes a second part connectable with the first interface or the second interface. The first part is connectable with the first interface and the second part is connectable with the second interface to dispose the arms in a fixed orientation with the spinal implant. The first part is connectable with the second interface and the second part is connectable with the first interface to dispose the arms in a movable orientation relative to the spinal implant. Systems, spinal constructs, implants and methods are disclosed.

Embodiments herein are generally directed to spinal implants, systems, apparatuses, and components thereof that can be used in spinal fusion and / or stabilization procedures, as well as methods of installation. The spinal implants may be expandable. In some embodiments, the spinal implants may be configured to be backfilled with bone graft material after insertion.

An intervertebral implant for implantation in an intervertebral space between vertebrae. The implant includes a body extending from an upper surface to a lower surface. The body has a front end, a rear end and a pair of spaced apart first and second side walls extending between the front and rear walls such that an internal chamber is defined within the front and rear ends and the first and second walls. The body defines an outer perimeter and an inner perimeter extending about the internal chamber. At least one of the side walls is defined by an integral porous structure.

An additive-manufacturing system for printing spinal implants in-situ, within a patient, is disclosed. The system may include a robotic subsystem having scanning and imaging equipment and an armature including at least one dispensing nozzle and a controller apparatus having a processor and a non-transitory computer-readable medium. The controller may control the scanning and imaging equipment to determine a target alignment of a patients spine, develop an in-situ-printing plan including an in-situ material selection plan based on the target alignment of the patients spine, an interbody access space, and a disc space between adjacent vertebra of the patients spine, and execute the in-situ-printing plan. The controller may further control the armature to dispense at least one material chosen from a rigid material and a pliable material to form at least one motion-sparing implant.

Disclosed herein is a spinal implant (1) for interconnecting in a mounted position a first vertebra (21) and a second vertebra (22) with respect to each other by at least a first loop (5) and a second loop (6). The implant comprises a strap (3) extending in a longitudinal direction from a leading end (31) to a trailing end (32). The implant further comprises a thereto unidirectionally arranged auxiliary filament (4) configured to be interconnected to the leading or trailing end (32) of the strap (3), for pulling the leading (31) respectively trailing end (32) of the strap (3) by the auxiliary filament (4) around the first and second vertebra (22). Furthermore, the leading end (31) and the trailing end (32) of the strap (3) are configured to be interconnected to each other, thereby forming the second loop (6).

The present invention relates to an implant fusion device and a method of manufacturing an implant fusion device. More particularly an orthopedic or spinal implant configured to be implanted between adjacent vertebrae or within a gap in a bone or between bones, the device having a manufactured body structure simulating the physical characteristics of trabecular bone, but with improved osteoinductive features on the exterior surface wherein the device is fabricated using 3D printing. Alternatively, the implant may be made through 3D printing in a manner that results in a relatively or completely solid structure, but with a surface that mimics trabecular bone structure.

A spinal implant gripping device comprising: a. a clip with living hinges configured to grip a spinal implant; b. a central threaded rod fixedly attached to the clip; c. a pusher that slides freely over the central threaded rod to actuate the clip's living hinges, causing the clip to securely grip the spinal implant; and d. an interchangeable nut and cap operable to extend or retract the gripping mechanism by rotating along the central threaded rod.

An implant, in particular a spinal implant, comprising a tulip-shaped part having an axial axis X, which on its distal axial side has a receptacle bounded by two side walls with a thread having the axial axis X as its thread axis, for receiving a rod, and comprising a screw having a thread matching the thread of the side walls, which can be screwed into the thread of the side walls and is designed to exert axial pressure on the rod upon screwing in after contact with the rod, thereby creating an increasing resistance force in the thread that resists further screwing in, wherein the screw has a lower region carrying its thread and an upper region adjacent thereto provided with a first tool coupling,which, upon reaching a shear force corresponding to a defined shear torque applied via the first tool coupling, shears off from the lower area at a shear zone, wherein the resistance force built up upon reaching the shear torque is less than the shear force by a factor of at least five-thirds, preferably a factor of at least twenty-elevenths, and in particular a factor of at least two.

Implementations of the disclosed systems and methods include medical implants, such as spinal implants for posterior fixation. According to some implementations, the implant includes a tulip configured to receive a rod, along with a set screw configured to fix the rod in place within the tulip. In some cases, the set screw is configured to selectively rotate in a first direction to tighten and to selectively counter-rotate in a second direction to loosen. According to some implementations, the implant includes a mechanical stop configured to prevent undesirable counter-rotation of the set screw to thereby resist loosening of the set screw. Other implementations are discussed.

Spinal implants for use in fusion procedures, such as sacroiliac fusion procedures, are provided. The implant provides mechanical stability when inserted into an anatomical structure(s) until fusion occurs. In certain embodiments, the implant may comprise a multi-surfaced, cross-sectional configuration, such as a 6-starred shaped (hexalobular) cross-sectional configuration, and radially dispersed longitudinal splines. When used for sacroiliac fusion procedures, the implant is configured to prevent sacroiliac joint spreading.

A spinal fusion clamp implant that connects two vertebra, preferably the C1 and C2 vertebra. The clamp implant includes a clamp assembly that connects to the C1 vertebra. The clamp assembly includes at least one superior jaw and at least one inferior jaw. The superior jaw and the inferior jaw are opposedly arranged and clamp onto posterior arch of the C1 vertebra. The clamp implant also includes an implant assembly that connects to the implant used in C2, and a connection system that connects the clamp assembly with said C2 implant assembly.