Distal shaft with fast and slow screw threads
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United States of America Patent
Stats
-
Dec 3, 1996
Grant Date -
N/A
app pub date -
Feb 1, 1993
filing date -
Jun 6, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A femoral prosthesis adapted for insertion into the medullary cavity of a femur. The prosthesis including a distal shaft, a neck portion detachable from the distal shaft and a joint head detachable from the neck portion. The distal shaft having two spaced tapered threaded portion thereabout with differing pitch to prevent undesired counter rotation of the prosthesis thereby preventing axial withdrawal of the distal shaft from the femur.
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Cited Art Landscape
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