3604487 is referenced by 304 patents and cites 8 patents.

A combination of an orthopedic screw and driving means which enables the screw to be started and driven in a single continuous operation with one hand. The screwhead has multiple slots, and the driving means has multiple pinching blades for engaging the slots to provide a rigid grip of the screw.

Orthopedic screw driving means
Application Number
Publication Number
Application Date
March 10, 1969
Publication Date
September 14, 1971
Gilbert Richard S
F16b 23/00
B25b 15/02
F16B 23/00
B25B 23/10
B25B 23/02
A61B 17/88
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