04273117 is referenced by 137 patents and cites 15 patents.

An apparatus for forming a hole in a bone is provided, which comprises a body, a drill bit rotatable with respect to the body, and, in order to locate the drill, a mandrel coaxial with the drill bit, slidably projectable through the drill bit and biased to an extended position.

Title
Apparatus for drilling bone
Application Number
6/69625
Publication Number
4273117
Application Date
August 24, 1979
Publication Date
June 16, 1981
Inventor
Hans G Neuhauser
Moorhaldenstrasse 22,, 7130 Muhlacker
DE
Agent
Shenier & O Connor
IPC
B23B 51/00
A61B 17/16
A61F 17/32
A61F 5/04
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