07993403 is referenced by 64 patents and cites 103 patents.

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.

Title
Expandable intervertebral spacers
Application Number
12/657129
Publication Number
7993403 (B2)
Application Date
January 14, 2010
Publication Date
August 9, 2011
Inventor
Lawrence M Boyd
Memphis
TN, US
Charles Branch
Advance
NC, US
Mingyan Liu
Bourge la Reine
FR
Harald Ebner
Deggendorf
DE
Kevin Foley
Germantown
TN, US
Assignee
Warsaw Orthopedic
IN, US
IPC
A61F 2/44
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