Abstract: The present invention relates to an implantable vertebral arthrodesis device (1) for fusing an overlying vertebra and an underlying vertebra, the device comprising an anterior portion (2) having upper and lower bearing zones (2a, 2b) suitable respectively for receiving lower and upper portions (3, 6) of upper and lower laminae (4, 7) of the overlying and underlying vertebrae (5, 8), said zones (2a, 2b) being spaced apart by a minimum height h (h1) for maintaining intervertebral spacing; rigid retaining devices (9) arranged relative to the anterior portion (2) so as to block migration of said anterior portion (2) towards the spinal canal; a posterior portion (10) in connection with said anterior portion (2), including a main housing (11) having first and second openings (11a, 11b) facing each other and suitable for receiving in part the spinous processes (12, 13); and a granular osteosynthesis material arranged in said main housing (11).

Abstract: An expandable intervertebral implant including a first wall comprised of a male portion and a female portion in telescoping engagement with each other and a second wall comprised of a plurality of links, wherein the first wall and second wall are coupled to each other by hinges at each of the leading and trailing ends of the implant. The expandable implant is configured to be inserted into a disc space in a collapsed, narrow profile configuration and then unilaterally expanded in an anterior or posterior direction to a fully expanded, larger foot print configuration.

Abstract: A spinal stabilization system and method are provided for treating a patient's spinal column, for maintaining preselected spacing and movement between adjacent vertebrae in a spinal column, and for providing overall stability thereto. The system includes an interlaminar member positioned in the space intermediate a first vertebra and the vertebrae positioned immediately below and adjacent to the first vertebra. The interlaminar member is operatively connected to an adjustable support structure and cooperates therewith to maintain the preselected spacing between adjacent vertebrae and to provide overall stability to the spinal column.

Abstract: A device for placement between two adjacent spinous processes of a spinal column to treat a spinal condition, and a method for performing a procedure on a spine of a patient, are provided. The device may include a first member, a second member mounted onto the first member, and a locking plug configured to restrict movement of the second member relative to the first member. The method may include positioning a portion of a first member between two adjacent spinous processes of the spine, advancing a second member along a length of the first member, and restricting the second member from moving relative to the first member.

Abstract: A spinal implant comprises a first member. A fastener is connected with the first member. A second member includes a deformable element engageable with the fastener such that the second member is translatable relative to the fastener in a first axial direction and translation of the second member relative to the fastener in a second axial direction is resisted and/or prevented. Systems and methods are disclosed.

Abstract: Lamina plates can include various features that allow a surgeon to couple the plate to a vertebra, such as a plurality of receiving holes for receiving a spinal fixation element. The plate can be shaped and the receiving holes positioned such that spinal fixation elements can be installed with reduced exposure of the spine and along a trajectory that enhances purchase with bone. The lamina plate can include one or more features for coupling at least one receiver head to the plate for receiving a spinal stabilization element. Since the receiver head can be coupled to the plate after the plate is implanted, it does not restrict the range of angles or trajectories at which the spinal fixation elements can be installed.

Abstract: An interspinous process spacer implant includes first and second bodies each equipped with upper and lower projections. The implant also includes a hinge connecting central parts of the bodies to one another. The hinge allows the bodies to rotate relative to one another in a forward direction. The implant further includes an arresting mechanism that acts between the central parts of the bodies to block reverse rotation of the bodies relative to one another.

Abstract: Devices and methods for positioning and immobilizing at least two adjacent vertebrae using adjacent spinous processes. The method includes positioning a spinous process fusion device in an interspinous space between adjacent spinous processes including a rod and a first wing, and attaching a second wing to the rod, for example, using a ratcheting mechanism.

Abstract: A method for positioning a treatment instrument in a subject involves positioning a tissue protector of a visualization instrument in an epidural space of the subject. The tissue protector is viewed and positioned in the epidural space using fluoroscopy. A treatment instrument between a first vertebra and a second vertebra and while viewing the tissue protector positioned in the epidural space. A decompression procedure is performed using the treatment instrument.

Abstract: Expandable spinal fixation assemblies, systems, and methods thereof. An expandable spinal fixation system may include expandable barrel assembly including an upper barrel half and a lower barrel half and a fixed barrel assembly. The fixed barrel assembly is insertable between the upper barrel half and the lower barrel half such that the fixed barrel assembly is clamped between the upper barrel half and the lower barrel half. Each of the expandable barrel assembly and the fixed barrel assembly includes fixation plates adapted to secure spinous processes to the fixation system.

Abstract: An implantable spacer for placement between adjacent spinous processes in a spinal motion segment is provided. The spacer includes a body defining a longitudinal passageway. A first arm and a second arm are connected to the body. Each arm has a pair of extensions and a saddle defining a U-shaped configuration for seating a spinous process therein. An actuator assembly is disposed inside the longitudinal passageway and connected to the body. When advanced, the actuator assembly contacts camming surfaces of the arms to rotate them from an undeployed configuration to a deployed configuration. In the deployed configuration, the distracted adjacent spinous processes are seated in the U-shaped portion of the arms providing sufficient distraction to open the neural foramen. An insertion instrument is provided for implanting the interspinous process spacer. The system is configured for implantation through a small percutaneous incision employing minimally invasive techniques.

Abstract: The present invention provides spinous process implants and associated methods. In one aspect of the invention, the implant includes at least one extension with a superior lobe pivotally connected to an inferior lobe, such as by a hinge, to allow unfolding of the at least one extension from a folded position to an unfolded position. In certain aspects, the folding extension may include fasteners to facilitate engagement with the spinous processes to provide both a flexion stop as well as an extension stop. The fasteners may have corresponding bores to allow the fasteners to reside in the bores to provide a compact profile for implantation. In another aspect of the invention, the implant is introduced to the surgical site using a lateral or paramedian approach and associated tools to facilitate the same.

Abstract: A spinal implant is provided. The spinal implant includes a body extending between a proximal end and a distal end. The proximal end defines a notch configured for disposal of a first vertebra. The distal end includes a protrusion configured for disposal in a second vertebra. The proximal and distal ends are movable relative to one another between an unexpanded position in which the spinal implant is inserted between lamina and an expanded position in which the spinal implant is disposed between the lamina.

Abstract: Interspinous process implants are disclosed. Also disclosed are systems and kits including such implants, methods of inserting such implants, and methods of alleviating pain or discomfort associated with the spinal column.

Abstract: An implant is provided which allows for widening of the vertebral canal of vertebrae with less stress on the patient than in heretofore customary surgical procedures, wherein the vertebral arch of a vertebra is cut through, forming an incision gap, or is partially removed and the implant is inserted in the incision gap, wherein the incision gap is bounded by incision faces opposed to each other and the implant comprises an implant body having two contact faces which in the inserted state in the incision gap contact the incision faces of the vertebral arch.

Abstract: A device and method for performing interspinous fixation or spinal fusion is provided. The device may generally include a first plate and a second plate, each having an adjustable length, and a mechanical actuator for increasing or reducing the length of the plates and, correspondingly, the device. Operation of the mechanical actuator causes first and second inner expansion portions of each plate to simultaneously slide on an outer fixed portion of the plate, to increase or decrease (depending on the direction of operation of the mechanical actuator) the separation between the first and second inner expansion portions, and thus, lengthen or shorten the plates and device.

Abstract: Devices, systems and methods for dynamically stabilizing the spine are provided. The devices include an expandable spacer having an undeployed configuration and a deployed configuration, wherein the spacer has axial and radial dimensions for positioning between the spinous processes of adjacent vertebrae. The systems include one or more spacers and a mechanical actuation means for delivering and deploying the spacer. The methods involve the implantation of one or more spacers within the interspinous space.

Abstract: Interspinous/inter-laminar spinal spacers are configured to be placed between bony structures of adjacent vertebrae. In one form, spinal spacers are defined by a unitary body comprising a first contoured plate and a second contoured plate. The first contoured plate comprises first and second wings configured to engage first and second vertebra, and a post extending from the contoured plate and having a bullet nose and an outer surface with a curved portion and a planar portion. The second contoured plate is slidably coupled to the post of the body and comprises first and second wings configured to engage first and second vertebra, a rear portion extending between the first wing and the second wing, and a front portion extending between the first wing and the second wing. The first wing, second wing, rear portion, and front portion define a first bore configured to receive the post.

Abstract: Disclosed is a device that is configured to be implanted adjacent interspinous processes of a patient. In one aspect, a spinal implant device comprises: a spacer region adapted to be positioned between first and second spinous processes of first and second vertebral bodies to limit movement of the first spinous process and the second spinous process toward one another; and an attachment region attached to the spacer region, the attachment region adapted to attach to the first spinous process via a fastener, the attachment region comprising a pair of pads having attachment elements that are configured to attach onto the spinous process.

Abstract: An adjustable spine distraction implant alleviates pain associated with spinal stenosis and facet arthropathy by expanding the volume and/or cross sectional area in the spinal canal and/or neural foramen. The adjustable implant provides a spinal extension inhibitor. The implant includes elliptical or oval shaped adjustable member or spacer for positioning between and adjustably spacing apart the spinous processes.

Abstract: Disclosed is an orthopedic implant and methods of implantation for fixing adjacent bones. In an embodiment, the implant includes a locking mechanism that is adapted to be advanced by a locking instrument, wherein advancement of the locking mechanism in a first direction produces rotation of a first rigid abutment surface from a first orientation to a second orientation, and continued advancement of the locking mechanism produces advancement of the first rigid abutment surface towards a second rigid abutment surface and placement of a compressive load onto and sufficient to immobilize the implant relative to the first bony surface and the second bony surface.

Abstract: The present disclosure relates to an apparatus for curing spinal stenosis which is an abnormal narrowing of the spinal canal between spinous processes, more particularly, to an apparatus of fixing spinous processes which can prevent the narrowing or widening of the spinal canal between spinous processes along the motion of the spine so as to enhance spinal stabilization. The apparatus of fixing the spinous processes includes a spacer having at least predetermined portion inserted between spinous processes of two neighboring vertebrae to support the spinous processes so as to prevent narrowing of the spinous processes which is generated by spinal bending; and a clip provided to cover an outer surface of the spinous processes of the two neighboring vertebrae to prevent widening of a distance between the spinous processes generated by the spinal bending.

Abstract: The present invention provides spinous process implant and associated methods. In one aspect of the invention the implant limits the maximum spacing between the spinous processes. In another aspect of the invention, a spacer has at least one transverse opening to facilitate tissue in-growth. In another aspect of the invention, an implant includes a spacer and separate extensions engageable with the spacer. The spacer is provided in a variety of lengths and superior to inferior surface spacings. In another aspect of the invention, an implant includes a spacer and a cerclage element offset from the midline of the spacer in use so that the spacer defines a fulcrum and the cerclage element is operative to impart a moment to the vertebrae about the spacer. In another aspect of the invention, instrumentation for inserting the implant is provided. In other aspects of the invention, methods for treating spine disease are provided.

Abstract: Multiple, small, staple-like supports are inserted through a small tube into the disc space then rotated into position on the edge of the vertebral bodies. The tooth-like geometry of the proximal and distal faces of these staples mates with the outer edge of the vertebral body, extending past the front of the endplate anteriorly. The staples have teeth that dig into the endplate on the inside of the rim as well.

Abstract: An improved spinal fusion system (10) for positioning between a first and second vertebral body, the system (10) has a body (100), a pair of polyaxial fasteners (220) and a locking bridge (102). The distal end has a slotted opening (120) extending through the body (100) and forming a gap extending between the two or more bore holes (110) to form a deflectable bridge (102) spanning the bore holes (110). The bridge (102) has a center opening (50) for receiving a set screw (20) passing through the bridge (102) into a threaded opening (52) in the body. When the set screw (20) is tightened, it deflects the bridge (102) closing the gap as the bridge (102) contacts an exterior surface of each head (210) of the polyaxial fasteners (200). The angulation of each polyaxial screw (200) is adjustable, controlled by the tightening of the set screw. Initial contact of the bridge (102) with the head (210) of the fastener (200) reduces angulation movement of the shank (220) requiring manual manipulation.

Abstract: A device for immobilizing adjacent spinous processes can comprise a first element, a second element, and a spacer element. The first element can have a side configured to grip first sides of the adjacent spinous processes and a first separation bar that extends between the adjacent spinous processes when the first element and the spinous processes are engaged. The spacer element can have an adjustment bar and a second separation bar. The second element can have a side configured to grip second sides of the adjacent spinous processes and a clamping feature configured to selectably lock the first separation bar and the adjustment bar in place. The second separation bar can extend between the adjacent spinous processes when the second element and the adjacent spinous processes are engaged.

Abstract: The invention is directed to a laterally inserted spinous process plating device and a method for installing the device using a minimally invasive procedure. The device includes a partially threaded bolt as well as a contralateral and ipsilateral fixation plates, a deployment nut, a lag nut and a locking nut. Each fixation plate includes a pair of wing portions that are pivotally connected to one another to facilitate installation. The each of the fixation plates includes anchoring elements.

Abstract: Spinal implants and methods of inserting the implants into an interspinous space and into engagement with spinous processes. The implants may include first and second arms that are separately inserted into the patient. The arms may be attached together within the patient in an overlapping arrangement and pivotally connected at a joint. The arms may be moved about the joint with first ends of each of the arms on a first side of the joint contacting against opposing lateral sides of a first spinous process and second ends of each of the arms on a second side of the joint contacting against opposing lateral sides of a second spinous process. A securing member may contact against the arms and secure the orientation of the arms.

Abstract: There is provided a spinal implant device for placement between adjacent spinous processes and a pair of opposing facet joints. The spinal implant device includes a fusion cage, first and second fixation plates and a connector for connecting the cage to the plates. The fusion cage includes a superficial face, a deep face, superior and inferior saddle portions, and opposing cage ends. Each cage end defining a facet fusion surface sized and configured to respectively contact the opposing facet joints. The first and second fixation plate are sized and configured to extend along and in contact with the adjacent spinous processes. A method of implanting the device is provided. In another embodiment the device includes the fusion cage.

Abstract: An intervertebral implant comprising an intervertebral spacer and two fastener ties is disclosed. The intervertebral spacer may be formed having a body extending in a longitudinal direction. The intervertebral spacer may further include a first insertion face, a second face, and two recesses disposed at the ends of the body. The recesses may each be defined by a first extension, a second extension, and an end wall. Each of the two fastener ties may be secured to the first extension at a first end and a second end may be fastenable to the second face. The ties may pass around a spinous process in part and hold the spinous process within a recess. The first extension of the body may have a height relative to the bottom wall of the recess that is no greater than the height of the second extension.

Abstract: An implant for supporting the spinous processes of adjacent vertebral bodies includes a first implant component and a second implant component and is transferable by moving the second implant component relative to the first implant component along a spreading direction from an introduction position into a spread position. The implant includes a locking device incorporating a locking element wherein the locking element is transferable relative to at least one implant component along a locking direction from a release position, in which the second implant component is movable relative to the first implant component in a direction opposed to the spreading direction, into a locking position in which the second implant component is locked to the first implant component. The implant also includes a securing device for securing the locking element against a movement that is directed counter to the locking direction.

Abstract: A spinal fixation system includes a first plate, a post fixedly attached to the first plate and extending transverse therefrom. A second plate receives the distal end of the post. A locking mechanism is configured to restrict at least one of axial translation and/or orbital rotation of the second plate with respect to the post. The locking mechanism can include a locking nut having two non-concentric cylinders which enable an interference fit between the nut and the post, thus restricting axial translation of the second plate.

Abstract: The present invention provides spinous process implants and associated methods. In one aspect of the invention, the implant includes at least one extension with a first part and a second part where at least one arm is coupled to each of the first part and the second part. The first part and the second pan are movable from a compact to a distracted state. In another aspect, the present invention provides a second extension that is slidingly coupled to the first and second arms. The second extension further comprises a third part and a fourth part that move with the first and second part.

Abstract: Devices, systems and methods for dynamically stabilizing the spine are provided. The devices include an expandable spacer having an undeployed configuration and a deployed configuration, wherein the spacer has axial and radial dimensions for positioning between the spinous processes of adjacent vertebrae. The systems include one or more spacers and a mechanical actuation means for delivering and deploying the spacer. The methods involve the implantation of one or more spacers within the interspinous space.

Abstract: An unloading dynamic intervertebral device comprising a first bar and a second bar configured for providing an even, steady and adjustable decompression of the intervertebral interspinous space and for maintaining the distance between at least two vertebrae. The first bar may comprise a guideline with an elongated gap formed therein. The second bar may comprise a guide having at least one tang interposed within the elongated gap of the first bar, such that the first bar and the second bar are rotationally and slidably connected with each other about the tang. An end of the first bar and an opposing end of the second bar may comprise shaped bearings configured for bony elements of the spine. The first and second bar may be movable relative to each other between an open position and a closed position.

Abstract: A cervical spine spacer includes a spacer body configured to be disposed between adjacent cervical vertebrae in the cervical spine and to maintain a desired spacing between the adjacent cervical vertebrae. The cervical spine spacer also includes a channel passing completely through the spacer body from a first surface of the spacer body to a second surface of the spacer body and a fastener configured to pass through the channel. At least one of the first surface and the second surface is configured to contact one of the adjacent cervical vertebrae and the channel is sized to accommodate the fastener passing through the channel at a plurality of angles.

Abstract: A spinal implant includes an elongated body dimensioned and configured to function as a spacer, for placement in a target interspinous process space, between two adjacent spinous processes, a distal anchor associated with a distal end of the body, and a proximal anchor mounted for longitudinal movement along the body between a first position spaced apart from the head and a second position approximated with the head, adapted to compress the two adjacent spinous processes, in conjunction with the distal anchor.

Abstract: Systems, methods, and kits incorporate a fusion member for vertebral processes. The fusion member may be unitary or modular. The fusion member comprises extensions configured to be crimped to vertebral processes. The extensions may comprise tabs configured to be deformed to further penetrate the vertebral processes. The tabs may also lock together modular components of the fusion member. The fusion member may comprise fasteners extending between the extensions. The fusion member may comprise a cage with a movable cover or a graft retention feature.

Abstract: An implantable device includes a barrel. The barrel has a first portion and a second portion. The implantable device includes a first plate having multiple projections extending from one side of the first plate, where the first plate is configured to movably couple to the first portion of the barrel. The implantable device includes a second plate having multiple projections extending from one side of the second plate, where the second plate is configured to movably couple to the second portion of the barrel. The barrel is configured to transition from a collapsed form having a first height to an expanded form having a second height, where the second height is greater than the first height.

Abstract: An interspinous spacer device for the treatment of high-grade spinal disorders is disclosed herein. The interspinous spacer device includes a sliding rod and a base that contains a curved internal track that limits the range of motion and center of rotation of the spinal segments stabilized using the device to the physiological levels of a nondegraded spinal segment.

Abstract: The present invention provides spinous process implants and associated methods. In one aspect of the invention, the implant includes at least one extension with a first part and a second part where at least one arm is coupled to each of the first part and the second part. The first part and the second part are movable from a compact to a distracted state. In another aspect, the present invention provides a second extension that is slidingly coupled to the first and second arms. The second extension further comprises a third part and a fourth part that move with the first and second part.

Abstract: A surgical apparatus includes an implant for mutually supporting an upper spinous process of a first vertebral body and a lower spinous process of a second vertebral body. The implant comprises a first implant component and a second implant component movable relative thereto along a clamping direction to transfer the implant out of a basic position in a spreading direction that is oriented transversely relative to the clamping direction into a spread position. The implant includes at least one introduction-side upper supporting element and at least one introduction-side lower supporting element that for laterally supporting the upper spinous process or the lower spinous process on the introduction-side. A fixing device for the implant is used for spreading the at least one introduction-side upper supporting element and the at least one introduction-side lower supporting element relative to each other along the spreading direction in an introduction position of the implant.

Abstract: A spinous process spacer that is designed to maintain a desired spatial relationship between adjacent vertebrae, is configured for introduction into a spinal implant site in a compressed state and then expands in situ. Once expanded, formations of the present spinal spacer form areas, pockets or spaces that receive at least one bony portion of each adjacent vertebra. The present spinous process spacer has a changeable circumferential profile wherein a first circumferential profile is smaller than a second circumferential profile in order to provide/achieve its compressed and expanded states. The first circumferential profile defines the collapsed position or state while the second circumferential profile defines the position or state. Upon implantation, the present spinous process spacer is not fixed to any bony structure of the vertebrae but provides support. In this regard, use of the spinous process spacer, by itself, will not result in vertebral fusion.

Abstract: Interspinous distractor for percutaneous implantation comprising a central body (10) and two couples of stabilizears (14a, 14b; 14c, 14d), hinged at the end of the body (10) in order to rotate from a closed position, which assists the percutaneous implantation of the distractor, to a spread apart position, which limits its movement stabilizing it in the interspinous gap. Means are provided for causing the rotation of the stabilizears that can be operated percutaneously, in particular, by means of cam shaped elements sliding axially and adapted to engage a cam-shaped surface, or by a system of tie members, and special tools. With respect to the known distractors it can implanted end extracted percutaneously and in a much easier way.

Abstract: A vertebral fixation apparatus includes a fixation plate respectively secured to the root portions of adjacent transverse processes, rather than the adjacent spinous processes, a superior saddle portion and an inferior saddle portion respectively formed on an upper and a lower portion of the fixation plate for holding a superior spinous process and an inferior spinous process within the superior and inferior saddle portions for stably securing the fixation plate on the adjacent vertebrae for distracting the adjacent vertebrae for relieving the pressure and pain of the spinal cord and nerve.

Abstract: Provided is an iliosacral polyaxial screw system. A multiple part insert member is provided to secure the screw to the housing of the assembly to accommodate screws in which the shank diameter of the screw is greater than the bottom opening of the screw housing or greater than the opening of a ring member designed to capture the head of the screw in the housing.

Abstract: The invention concerns a distance-keeping inter-process implant with a body ending in its posterior part with two opposite-situated resistance protrusions. In the anterior part of the body there are situated at least two wings, at least one of which is a mobile wing connected with the body by an articulated joint. Each wing is provided with at least one guide of the tensioning band. The articulated joint between the mobile wing and the body is formed by the mutually collaborating shaped surface of the. wing (and the shaped surface of the body and is usefully secured by the pin that constitutes the axis of rotation of the mobile wing. In an alternative version of the implementation of the implant, the mobile wing connected with the body is provided with at least one arm situated with respect to the wing at the angle ? amounting to from 30° to 150°.

Abstract: An interspinous implant includes an implant body having an upper face, a lower face, and four sides. The implant body includes a first recess and a second recess in opposite sides, wherein each recess is suitable for receiving a spinous process of a vertebrae. Attachment means are provided and suitable for attaching a band to the implant body. The implant further includes a lock hinged to a side of the implant body on a side not having the recesses, with the lock rotatable about the hinge between a closed position and an open position in which the lock projects away from the side of the implant body. The lock has an aperture, and a band can pass through the aperture when the lock is open and can be secured against movement relative to the lock and the implant body by the lock when the lock is closed.

Abstract: Devices and methods for implantation of an orthopedic device between skeletal segments using limited surgical dissection. The implanted devices are used to adjust and maintain the spatial relationship(s) of adjacent bones. Depending on the implant design, the motion between the skeletal segments may be increased, limited, modified, or completely immobilized.

Abstract: The present invention relates to an interspinous spacer (10, 10?, 10?, 10??, 10??, 10???) for implantation between adjacent spinous process (SP) to treat spinal stenosis. The interspinous spacer preferably includes a W-shaped or S-shaped leaf spring body member (21) for insertion between adjacent spinous processes and one or more wire straps (42) extending from the body to attach the spacer to the adjacent spinous processes. The wire straps are preferably sized and configured to extend from one side of the leaf spring, along one side of a spinous process, over or under the spinous process to the other side wherein the wire strap can be coupled to the leaf spring. Alternatively, the spacer may include one or more hooks (60) for engaging one or both of the adjacent spinous processes.