Power tool for excising a bone or cartilage biopsy
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United States of America Patent
Stats
-
Jun 26, 1990
Grant Date -
N/A
app pub date -
Nov 18, 1988
filing date -
Nov 18, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The tubular milling cutter adapted for excising a stud from a bone or cartilage as biopsy is screw-connected with the drive shaft of a drive mechanism. A grip chuck serving as extracting device is provided inside the tubular milling cutter. This grip chuck is adapted to be displaced forward and backward by means of a nut screw-connected with the holder for the milling cutter, whereby the opening of the grip chuck decreases during forward displacement so as to fixedly hold the stud. An ejector connected by means of a transverse pin with an ejector sleeve serving for actuation, is displaceably supported inside said grip chuck.
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Cited Art Landscape
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