Expandable intervertebral spacers

Details Expandable intervertebral spacers Expandable intervertebral spacers

2004-11-30

2010-02-02

Isabella, David J (Department: 3774)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

Reexamination Certificate

active

07655042

ABSTRACT:
Laterally expanding vertebral spacer devices are provided for repairing damaged vertebral discs. The vertebral spacer devices maintain the height of a distracted vertebral disc space while providing stability to the spine. In one form of the invention, a vertebral spacer device is provided with a first arm movably coupled to a second arm. The first and second arms are laterally expandable from a first width for insertion into the disc space to a second width after insertion into the disc space. The first and second arms also define a cavity therebetween for placement of bone growth material.

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J.A.N. Shepperd, “Intervertebral Implants for Fixation and Disc Replacement”.

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