241 results about "Spinal implant" patented technology

The present disclosure provides for spinal implants configured for lateral insertion techniques deployable between a contracted position and an expanded position. The spinal implant may include a first endplate and a second endplate, each having a plurality of guide walls and inclined ramps. The spinal implant may further include a moving mechanism having first and second trolleys configured to act against the first and second plurality of ramps. The moving mechanism may further include a first set screw and a second set screw opposite the first set screw. The moving mechanism may be configured to operably adjust a spacing between the first and second endplates upon simultaneous rotation of the first and second set screws along a rotation axis, and may also operably adjust an angle of inclination between the first and second endplates upon rotating the first set screw or second set screw along the rotation axis.

An intervertebral implant for implantation in an intervertebral space between vertebrae. The implant includes a body having a front end, a rear end and a pair of spaced apart first and second side walls extending between the front and rear ends. The front and rear ends extend in a transverse direction and a central axis of the body extends from the rear end to the front end. The rear end defines a first fastener hole having a first central axis and a second fastener hole having a second central axis. The first and second central axes extend parallel to one another at an acute angle relative to the body central axis in the transverse direction.

A device for performing intervertebral body fusion between at a vertebral joint, and associated systems and methods for manufacturing the device are disclosed herein. In some embodiments, the device includes an expandable main body configured to be locked in a desired configuration between a superior and an inferior vertebrae at the vertebral joint to facilitate the intervertebral body fusion at the vertebral joint. A first endplate is connected to the main body. The first endplate can include a superior surface having one or more patient-specific features configured to engage and mate with an inferior surface of the superior vertebra. A second endplate is connected to the main body. The second endplate can include an inferior surface having one or more patient-specific features configured to engage and mate with a superior surface of the inferior vertebra.

Systems and methods of providing an expandable and conforming interbody implant are described. According to some implementations, an interbody implant includes a first surface configured to be disposed adjacent to a first bony endplate, and a second surface configured to be disposed adjacent to a second body endplate, with a height of the interbody implant extending between the first surface and the second surface. According to some implementations, the interbody implant is configured to be selectively disposed in an insertion configuration and a deployed configuration. In some cases, the height of the interbody implant is greater in the deployed configuration than in the insertion configuration. Moreover, in some cases, the first surface is configured to conform to a topology of the first bony endplate, and the second surface is configured to conform to a topology of the second bony endplate.

A device for performing intervertebral body fusion between at a vertebral joint, and associated systems and methods for manufacturing the device are disclosed herein. In some embodiments, the device includes an expandable main body configured to be locked in a desired configuration between a superior and an inferior vertebrae at the vertebral joint to facilitate the intervertebral body fusion at the vertebral joint. A first endplate is connected to the main body. The first endplate can include a superior surface having one or more patient-specific features configured to engage and mate with an inferior surface of the superior vertebra. A second endplate is connected to the main body. The second endplate can include an inferior surface having one or more patient-specific features configured to engage and mate with a superior surface of the inferior vertebra.

A system and method for planning and simulating a surgical operation to create a patient-specific spinal implant are disclosed. The system comprises a remote server configured to receive patient-specific medical image data and generate a 3D mesh model of the patient's spine using algorithms that separate vertebral bodies, remove artifacts, and smooth surfaces. A doctor's computer receives the 3D mesh model and allows real-time manipulation of intervertebral spaces to achieve a desired spinal curvature. The server generates a spinal implant design with surface-mapped endplates matching the patient's vertebral anatomy, which is transmitted to a 3D printer for manufacturing. The method includes steps of receiving image data, generating and updating the 3D mesh model based on doctor input, generating the final implant design, and transmitting it for production. The invention enables the creation of patient-specific spinal implants with improved conformity and surgical outcomes.

A rhomboid shaped spinal implant may include a proximal surface that extends from a first lower end to a first upper end thereof a first distance, and a distal surface that extends from a second lower end to a second upper end thereof a second distance. The implant may include a superior surface that extends from the first upper end of the proximal surface to the second upper end of the distal surface a third distance, and an inferior surface that extends from the first lower end of the proximal surface to the second lower end of the distal surface a fourth distance. In various embodiments, the first distance is greater than the second distance, and the third distance is less than the fourth distance. In some embodiments, at least one bone screw aperture defines a trajectory extending in a direction substantially perpendicular to the superior and / or inferior surface.

A spinal construct includes a coupling member including a first mating surface engageable with an existing fastener implant. The existing fastener implant defines a cavity configured for disposal of an existing spinal rod implant. A connector is engageable with the existing fastener implant and has a rod extending therefrom. A locking member is engageable with a second mating surface of the coupling member. Systems, surgical instruments, implants and methods are disclosed.

An interbody spinal implant / fusion cage and implant inserter system for facilitating interbody fusion in the lumbar spine using bone graft while reducing the number of passes made through the patient's disc space and the sensitive surrounding tissue by integrating bone graft delivery into the inserter system. The system combines insertion of the interbody implant with bone graft delivery directly into the disc space. The system includes the interbody implant, an interbody cover plate, an implant inserter assembly, a cover plate inserter, a bone graft plunger and a bone graft funnel. The inserter assembly includes a large rectangular cannula which attaches to a large rectangular posterior opening in the interbody implant instead of a round cannula. The rectangular cannula approximates the shape of the annulotomy and provides a larger cross-sectional area for passage of a much larger quantity of bone graft material without jamming. Related methods and kits are also disclosed.

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 bellows shaped spinal implant, comprising an upper plate, a lower plate and a bellows shaped shell extending between and joining the upper and lower plates. The bellows shaped shell is formed of titanium or an alloy comprising titanium and includes a wall extending therearound that defines a hollow interior. The wall has a thickness in the range of 0.5 mm to 1.0 mm to provide for radiographic imaging through the wall. The wall is angled or curved inwardly or outwardly between the upper and lower plates to provide stiffness mimicking the stiffness properties of a similarly sized polyetheretherketone (PEEK) implant. The upper and lower plates each comprise porous contact regions including a three-dimensional gyroid lattice structure defined by a plurality of struts and pores in communication with the hollow interior. The outer surfaces of at least a portion of the struts may comprise a laser ablated textured surface.

Expandable spinal implants, systems and methods are disclosed. An expandable spinal implant may include a first endplate, a second endplate, and a moving mechanism that is operably coupled to the first and second endplates. The moving mechanism may include a wedge, a first sliding frame and a second sliding frame disposed on opposite sides of the wedge, a screw guide housing a rotatable first set screw and a rotatable second set screw opposite the first set screw. The first set screw may be operably coupled to the second sliding frame and the second set screw may be operably coupled to the wedge. The moving mechanism may operably adjust a spacing between the first and second endplates upon simultaneous rotation of the first and second set screws and operably adjust an angle of inclination between the first and second endplates upon translating the first set screw or second set screw.

Minimally-invasive spinal surgery methods, devices, and systems for advancing a spinal implant through an oblique anterolateral retroperitoneal operative corridor to an intervertebral disc space located between the L5 and S1 vertebral bodies of a subject positioned in a lateral decubitus position are described. An example spinal implant system includes a retractor sized and shaped to establish at least a portion of the oblique anterolateral retroperitoneal operative corridor, a spinal implant sized and shaped to pass between the first and second unitary retractor blades of the retractor in connection with the spinal implant being introduced into the intervertebral disc space via the oblique anterolateral retroperitoneal operative corridor, and an introducer instrument configured to pass between the first and second unitary retractor blades of the retractor in connection with the introducer instrument introducing the spinal implant into the intervertebral disc space via the oblique anterolateral retroperitoneal operative corridor.

A spinal screw assembly includes a screw, a connector body, a bore, a crown positioned in the connector body, and a biasing member. The screw has an at least partially rounded head. The connector body has a base and at least two side walls extending from the base. The base includes a base opening. The at least two side walls form a support recess opening defining a central axis. The bore is in one of the at least two side walls of the connector body. The bore extends to the support recess opening along a bore axis transverse to the central axis. The crown has a first end sized to receive the at least partially rounded head of the screw. The biasing member is moveable along the bore axis and engages a slot of the crown to limit the crown's axial movement along the central axis in the unbiased state.

A load sensing assembly for a medical implant is disclosed. The medical implant may include an upper surface, a side surface, a bottom surface, and a cavity housing various sensors and microelectronics. In other embodiments, the medical implant may include a port that is accessible through at least one of the bottom surface, side surface, and the upper surface. The port may be configured to receive an electronics assembly, package, or hermetically sealed enclosure. The electronics package may have a size and shape generally corresponding to the port. In various embodiments, electronic components and sensors may be powered by a local power source. In various embodiments, sensors may be chosen from: accelerometers, gyroscope, strain gauge, pressure sensor, pH sensor, impedance sensor, optical sensor, and / or a temperature sensor. In various embodiments, the medical implant may be chosen from: an interbody spinal implant, a pedicle screw, a connector, and / or a cross-link.

Systems and methods of providing an expandable and conforming interbody implant are described. According to some implementations, an interbody implant includes a first surface configured to be disposed adjacent to a first bony endplate, and a second surface configured to be disposed adjacent to a second body endplate, with a height of the interbody implant extending between the first surface and the second surface. According to some implementations, the interbody implant is configured to be selectively disposed in an insertion configuration and a deployed configuration. In some cases, the height of the interbody implant is greater in the deployed configuration than in the insertion configuration. Moreover, in some cases, the first surface is configured to conform to a topology of the first bony endplate, and the second surface is configured to conform to a topology of the second bony endplate.

The disclosure herein relates to systems, methods, and devices for developing patient-specific spinal implants, treatments, operations, and / or procedures. In some embodiments, systems, methods, and devices described herein can comprise using artificial intelligence, machine learning, and / or predictive modeling to predict the outcome of a spinal surgery, one or more parameters of a spine of a patient after spinal surgery, for example after implantation of a spinal rod which can be patient-specific, and / or one or more parameters of one or more recommended patient-specific spinal rods. Furthermore, in some embodiments, systems, methods, and devices described herein can comprise intraoperative tracking for tracking and / or suggesting improvements during spinal surgery based on a pre-operatively determined surgical plan, for example in real-time or substantially real-time. In addition, in some embodiments, systems, methods, and devices described herein can comprise screw planning prior to spinal surgery.

A system for assessing spinal implants includes at least one processor, and a memory storing instructions for execution by the at least one processor that, when executed, cause the at least one processor to receive first image data of a spinal column of a patient, determine, based on the first image data, a property of first bony anatomy in at least a first portion of the spinal column, determine, based on the property of the first bony anatomy, an initial screw trajectory for inserting a screw into the spinal column, virtually insert the screw along the initial screw trajectory using the first image data to generate modified first image data, perform an initial loading simulation for the virtually inserted screw using the modified first image data, and determine, based on the initial loading simulation, a suitability of the initial screw trajectory for implanting the screw into the spinal column.

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 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 spinal implant device includes a unitary strand extending from a first end to a second end. The unitary strand includes an exterior surface defining an infill volume with an infill structure. The exterior surface extends from the first end to the second end. A first bead is formed in the strand has a first diameter. The second bead is formed in the strand has a second diameter. At least one joint is formed in the strand between the first bead and the second bead. The at least one joint has a third diameter that is less than the first diameter and less than the second diameter.

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.

The present invention relates to an assembly of a spinal implant having a detachable head module, in which the head module is manufactured by being modularized by seating an inner lock in a seating hole of a housing in vitro before a main operation, and fixing a spring rod, which may be connected for each segment, to the housing in a state in which a direction and angle of the rod is adjusted, and the head module is coupled to an anchor fixed in advance to a vertebral body during the main operation, such that spinal implantation may be easily and conveniently performed without requiring a process of forcibly bending or accurately aligning the rod in accordance with an alignment line of the anchor. The present invention provides a spinal implant having a detachable head module.

The spine implant comprises a frame body and a porous structure, the frame body comprises a first end and a second end which are opposite to each other, a cavity is formed in the frame body, and the cavity penetrates through the frame body in the direction from the first end to the second end; the porous structure comprises a first porous part, the first porous part is contained in the cavity and connected with the frame body, the first porous part comprises a first part, a second part and a third part which are sequentially distributed from the first end to the second end, and the porosity of the first part and the porosity of the third part are both larger than the porosity of the second part. According to the embodiment of the invention, the first part, the second part and the third part of the porous structure of the spine implant are sequentially distributed in the direction from the first end to the second end of the frame body, and the porosity of the first part and the porosity of the third part are greater than that of the second part, so that stress shielding of the spine implant can be reduced; the bone ingrowth performance of the bone is improved, and the risk that the middle of the spine implant is broken is reduced.

An expandable spinal implant includes a flexible body, an expander component, a fastener and an anti-reverse mechanism. The flexible body includes a base portion and flexible arms each having a free end and a fixed end connecting the base portion. The flexible arms surround an installation space. The expander component is partially in the installation space and exerts pressure on the free ends to move the free ends away from one another. The fastener includes a head portion and a screw portion. The head portion and the expander component are at opposite sides of the base portion. The screw portion passes through the base portion and screwed into the expander component. The anti-reverse mechanism is fixed to the base portion and blocks one side of the head portion located away from the expander component. The anti-reverse mechanism and the expander component are at opposite sides of the base portion.

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 include an intervertebral spacer and a plate member.

A spinal implant includes a first wall. A first portion includes spaced apart first and second assemblies each extending from a first side of the first wall. The first assembly includes spaced apart first and second extensions. The second assembly includes spaced apart third and fourth extension. The first and second extensions define a first opening. The third and fourth extensions define a second opening. A space between the first assembly and the second assembly defines a cavity configured for disposal of a bone fastener. The head and the openings are configured for disposal of a first spinal rod. A second portion extends from an opposite second side of the first wall. The second portion includes a second wall that is spaced apart from the first wall. Opposing surfaces of the walls define a channel configured for disposal of a second spinal rod.

An implantable sensor assembly for use during spinal fusion. An implantable sensor assembly may include a component of an implantable prosthesis and an implantable cartridge associated with the component. The implantable cartridge may include at least one sensor capable of detecting one or more kinematic measurements associated with the patient and generating sensor data, and an antenna in electrical communication with the at least one sensor, where the antenna transmits the sensor data to a receiver at a remote location.

The present disclosure relates to medical rod bending pliers (1) with compressible handles (2) that can be pivoted about a first joint (6), and pivoting arms (4) that can be moved in opposite directions when the handles (2) are moved. Each pivoting arm (4) has a bending roller (10) that can be moved with the pivoting arm (4) and is prepared and designed to bend a rod, in particular a spinal implant, that is inserted into the rod bending pliers (1). The pivoting arms (4) are each movably connected to the respective handles (2) by a second joint (8).

The present disclosure provides a spinal implant configured for lateral insertion technology deployable between a contracted position and an expanded position. The spinal implant may include a first end plate and a second end plate, each end plate having a plurality of guide walls and an inclined ramp. The spinal implant may also include a movement mechanism having a first pushing portion and a second pushing portion configured to act on the plurality of first ramps and the plurality of second ramps. The movement mechanism may also include a first set screw and a second set screw opposite the first set screw. The moving mechanism can be configured to operably adjust the distance between the first end plate and the second end plate when the first fixing screw and the second fixing screw simultaneously rotate along the rotation axis. And the inclination angle between the first end plate and the second end plate can be operably adjusted when the first fixing screw or the second fixing screw is rotated along the rotation axis.