Hard tissue biopsy instrument with rotary drive
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 28, 1992
Grant Date -
N/A
app pub date -
Feb 8, 1991
filing date -
Nov 14, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hard tissue biopsy instrument includes an outer hollow needle attachable to a housing to project from one end thereof and having a sharpened outer tip; an inner hollow needle attachable to the housing within the outer hollow needle and having a milling outer tip, the inner hollow needle being rotatably and axially movable with respect to the outer hollow needle; and a rotary drive for rotating the inner hollow needle within the outer hollow needle.
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