Abstract: A surgical implant device configured to adjust in planar orientation or angular orientation or both to correspond to the structure of the lamina to be spanned at the site of a cut of the laminoplasty surgery. The device includes a base having slots extending adjacent thereto, and an extension having a head configured to be adjustably positionable within the slots.

Abstract: An intervertebral implant system installable between a pair of vertebrae. The implant includes a spacer that fits between the pair of vertebrae with a screw aperture for passage of a first screw and angled to orient the first screw into a first vertebrae at an angle relative to the rear sidewall of the spacer so that the first screw will enter an endplate of the first vertebrae. A plate is installable onto the rear sidewall of the polymeric spacer. The plate includes an angled screw aperture that is aligned with the screw aperture of the spacer when the plate is installed on the spacer. An elevated screw support extends upwardly or downwardly from the plate so as to extend opposite the direction of the angled screw aperture. The elevated screw support locates a second screw to enter a second vertebrae through an anterior surface of the second vertebrae.

Abstract: In some embodiments, a cervical plate may include an elongate plate which bridges, during use, substantially adjacent vertebrae by anchoring the plate to the vertebrae. The cervical plate may include a plurality of openings extending through the elongate plate. The cervical plate may include plurality of bone fasteners. The bone fasteners may include a head and a shaft. The shaft may be positionable, during use, in the opening such that the shaft engages, during use, at least one of the vertebrae such that the bone fasteners couple the elongate plate to the vertebrae. The cervical plate may include a securing mechanism. The securing mechanism may, when activated, inhibit removal of at least one of the bone fasteners and inhibit movement of at least the shaft of the bone fastener in a lateral direction, while allowing movement of at least the shaft of the bone fastener along a substantially sagittal plane.

Abstract: A medical screw system configured to facilitate determination of when the screw system is desirably set in a bone during implantation of the screw at a surgical site. The screw system includes a screw and a washer having a central ring surrounding a head receiving pocket configured for receiving the head of the screw, a plurality of arms spaced around and extending outwardly from the ring, the arms each having a bone contacting surface that engages the bone when the screw is implanted into the bone, and a groove defined between the arms and an exterior of the central ring. The groove is configured to enable the arms to flex when the screw system becomes desirably set into the bone to provide a visual indication that the screw is desirably set in the bone.

Abstract: A medical screwdriver configured to avoid disengaging from a screw during implantation of the screw at a surgical site, the screwdriver including an outer shaft having a housing in which is located a piston and a spring, an inner shaft, and a collar. When the collar is rotated in a first direction the collar is positioned at a first position and the inner shaft is rotationally coupled to the outer shaft. When the collar is rotated in a second direction opposite the first direction, the collar moves to a second position and the inner shaft is unlocked from the outer shaft.

Abstract: The immobilization device for a connecting rod (2) in an osseous anchoring element (3) of a rachidian implant (4) comprises an osseous anchoring implant (3) comprising retaining means (14, 15) adapted to deform elastically under a pressure force F and a blocking element (5) comprising on the one hand lugs (33, 34) which coact with the retaining means (14, 15) to permit the securement of the blocking element (5) on the osseous anchoring element (3), and on the other hand, a tightening screw (31) permitting immobilizing in rotation and in translation the connecting rod (2) between the osseous anchoring element (3) and the blocking element (5).

Abstract: A vertebral anchoring device including a polyaxial anchoring screw having a spherical head; a connecting rod; a connection element for receiving portions of the connecting rod; a clip having a pressure screw positionable to engage the connecting rod; and a connector installable on the spherical head for receiving the connecting rod. The connector includes a socket and a ring which co-act with one other about the spherical head of the screw in an installed orientation. The socket includes two portions bridged together at an upper level of the socket so that the two portions are positionable in a spaced apart orientation to enable the socket to be installed on the spherical head. Pressure of the pressure screw against the connecting rod bears the connecting rod against the ring which bears the ring against the spherical head of the screw.