A method for facet joint stabilization or fusion includes inserting an implant into a facet joint of a patient and introducing a bone cement into the facet joint. The implant includes a body that is sized and configured to be entirely contained in the facet joint. The bone cement may be introduced through a first channel of the body of the implant. A portion of the bone cement may flow back into the implant through a second channel in the body of the implant.

The present disclosure provides for spinal implants and plates including, for example, expandable plates deployable between a contracted position and an expanded position. The expandable plate may include an expandable body including a first portion and a second portion. The first portion may include a receiving cavity facing the proximal end, and a first through aperture extending in the proximal-to-distal direction. The second portion may include a lower end having a size and shape that corresponds to the receiving cavity, and a second through aperture extending in the proximal-to-distal direction. The expandable plate may include a locking screw and a nut. In at least some embodiments, in a locked position, the locking screw extends through the first through aperture and second through aperture, and is secured to the nut. In various embodiments, in an expanded position the first portion and second portion are farther away from one another relative to a contracted position.

An expandable implant movable between a contracted position and an expanded position, is disclosed. In various embodiments, the implant may be defined by a superior endplate and an inferior endplate having proximal ramps and distal ramps disposed on an interior surface thereof, respectively. In various embodiments, a proximal set screw and a distal set screw may be independently coupled to a proximal wedge and a distal wedge. Upon rotation of the proximal set screw, the proximal wedge may act against the proximal ramps of the superior and inferior endplates and cause the implant to expand at the proximal end. Upon rotation of the distal set screw, the distal wedge may act against the distal ramps of the superior and inferior endplates and cause the implant to expand at the distal end. In some embodiments, both the superior and distal set screws may be rotated simultaneously.

The present disclosure provides for spinal implants deployable between a contracted position and an expanded position. The spinal implant may include an anterior endplate, a superior endplate, and an inferior endplate operably coupled to a moving mechanism. The first endplate and a second endplate each include at least one bone screw relief. The moving mechanism may include first and second trolleys configured to act against corresponding ramps. The moving mechanism may further include a first set screw and a second set screw opposite the first set screw 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 either one of the first set screw and second set screw along the rotation axis.

An expandable implant movable between a contracted position and an expanded position, is disclosed. In various embodiments, the implant may include a superior endplate and an inferior endplate having proximal ramps and distal ramps disposed on an interior surface thereof, respectively. In various embodiments, a proximal set screw and a distal set screw may be independently coupled to a proximal wedge and a distal wedge. Upon rotation of the proximal set screw, the proximal wedge may act against the proximal ramps of the superior and inferior endplates and cause the implant to expand at the proximal end. Upon rotation of the distal set screw, the distal wedge may act against the distal ramps of the superior and inferior endplates and cause the implant to expand at the distal end. In some embodiments, a first eyelet and a second eyelet for supporting a corresponding bone screw, respectively, may be included.

Spinal plates with additional features to improve the stability of the interface between the plate and the underlying bone. A bone plate may include one or more sharp ridges along the periphery of its underside. When attached to bone, the ridge digs into the bone and increases stability. A bone plate may alternatively or additionally include one or more holes for optional spikes, which may be inserted once the plate is attached to the bone. By separating the spikes and including them as an optional component, the plate may enhance stability while reducing or eliminating the chance of the spike injuring the patient. Furthermore, bone screws may incorporate alternating notches and ridges into the head of the screw. The notches and ridges may interface with a set screw, thereby preventing rotation and loosening of the screw.

A prosthetic implant for engagement between first and second vertebrae. The implant includes a first plate configured for attachment to the first vertebrae and defining a first interbody connection member and a second plate configured for attachment to the second vertebrae and defining a second interbody connection member. An interbody component includes a body with a first end defining a first plate connection member configured for connection to the first interbody connection member and a second end defining a second plate connection member configured for connection to the second interbody connection member. A method of inserting the implant is also provided.

An artificial replacement disk configured to be positioned in between a superior vertebrae and an inferior vertebrae. The upper and lower surfaces match the surface morphologies of the corresponding vertebrae and may be textured to promote bone in-growth. The artificial replacement disk may comprise gripping structures to permit easy manipulation of the artificial replacement disk during surgical procedures.

An intervertebral implant includes an insertion end, an opposing engagement end, and first and second opposed main surfaces configured to contact respective adjacent vertebral endplates. Each of the first and second main surfaces has an anterior edge, a posterior edge, and extends between the insertion and engagement ends. Anterior and posterior walls are formed between the first and second main surfaces and along the respective anterior and posterior edges and converge at the insertion and engagement ends. A slot is formed at the engagement end and extends continuously between and at least partially along the anterior and posterior walls. A post is positioned within the slot, spaced from at least one of the anterior and posterior walls and extending at least partially between the first and second main surfaces. The post includes a plurality of exposed facets and is configured for engagement with a pivotable insertion instrument.

The present invention involves a system and methods for assembling and implanting a vertebral body implant. The vertebral body implant includes, but is not necessarily limited to, an expandable core body and endplates that can be attached at both ends. Endplates of various shapes, sizes and angles are attachable to the expandable core so that a suitable vertebral body implant can be implanted between vertebrae.