06979334 is referenced by 144 patents and cites 90 patents.

A bone plate is provided for fixation of spaced vertebra. The bone plate has at least one through passage for securing the plate to bone with a bone fixation screw. The threaded shaft of a bone fixation screw is inserted through a bushing located in the through passage of the bone plate and the screw is thereby threadably secured to the underlying bone and the bushing is then compressed inward against the head of the screw with cams that are actuated by rotating the bushing in the through passage whereby the screw is locked relative to the bone plate. The bushing is not only compressed inwardly against the head of the screw but is also compressed downwardly by the cams into a seat to clamp separate elements of the bone plate together.

Title
Bone fixation assembly and method of securement
Application Number
10/815160
Publication Number
6979334 (B2)
Application Date
March 31, 2004
Publication Date
December 27, 2005
Inventor
Brain E Dalton
Erie
PA, US
Agent
RatnerPrestia
Assignee
Aesculap
PA, US
IPC
A61B 017/58
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