Puncture instrument
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United States of America Patent
Stats
-
Sep 22, 1998
Issued Date -
N/A
app pub date -
Feb 14, 1995
filing date -
Mar 23, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A device for puncturing cortical bone. The device consists of a cannula and inside of it an axially movable needle. The distal end of the needle has an eccentrically shaped tip which, by drilling, forms a hole, larger than the outer diameter of the needle, through corticalis, whereupon the enclosing cannula can be inserted into the drilled hole. In this way the cannula's position in the bone is secured and the cannula functions as a fixed anchored guiding channel for further sampling or treatment.
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Cited Art Landscape
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