06981975 is referenced by 177 patents and cites 27 patents.

A method is disclosed for inserting an interbody spinal fusion implant for implantation at least in part within and across the generally restored height of a disc space between two adjacent vertebral bodies of a human spine. The implant has an external housing and a substantially hollow internal rotatable member having bone engaging projections that are deployable through the housing to penetrably engage the adjacent vertebral bodies.

Title
Method for inserting a spinal fusion implant having deployable bone engaging projections
Application Number
10/746180
Publication Number
6981975 (B2)
Application Date
December 24, 2003
Publication Date
January 3, 2006
Inventor
Gary K Michelson
Venice
CA, US
Agent
Martin & Ferraro
Assignee
SDGI Holdings
DE, US
IPC
A61B 17/58
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