Laminoplasty fixation devices

摘要

Devices and methods for treating degenerative conditions of the spine or for alleviating pain or discomfort associated with the spinal column are disclosed. In particular, laminoplasty fixation devices and methods are disclosed. Also disclosed, is a vertebral implant comprising a first bone engaging portion configured for securing to a first cut portion of a vertebra and a second bone engaging portion configured for securing to a second cut portion of the vertebra. A body portion is provided for associating the first and second bone engaging portions at a preselected spacing from each other, wherein the implant is adjustable to select said spacing.

主权项

1. A vertebral implant, comprising:
a first bone engaging portion having an upper and lower surface configured for securing to a first cut portion of a vertebra; and a second bone engaging portion having an upper and lower surface configured for securing to a second cut portion of the vertebra; wherein one of the first and second bone engaging portions includes a connecting body portion having an upper surface, a lower surface, and an opening for receiving the other of the first and second bone engaging portions, wherein the connecting body portion comprises a central longitudinal axis extending along its length and the first and second bone engaging portions are angled relative to the central longitudinal axis, wherein the first bone engaging portion extends away from the lower surface of the connecting body in a first direction and the second bone engaging portion extends away from the upper surface of the connecting body in a second direction opposite to the first direction, and wherein the connecting body portion and the first or second bone engaging portion interconnect with a dovetail fit.