Suture needle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 10, 2001
Grant Date -
N/A
app pub date -
Nov 5, 1999
filing date -
Aug 10, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A suture needle has a unique structure for reducing impalement resistance. The suture needle is formed with a base end portion formed at an end of the suture needle for engaging a suture thread, a tip portion formed at another end of the suture needle for impaling a tissue, and a tapered portion extending to the tip portion. The tapered portion has a cross-section without a cutting edge and a plurality of roughened regions formed in stripes extending in a substantially axial direction of the tapered portion. The roughened regions are provided solely on the tapered portion of the suture needle. The surface roughness of the roughened regions on the suture needle is about 2 .mu.m-15 .mu.m.
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