Retractable needle assembly for a catheter and which uses an elastomeric member to retract the needle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Jul 15, 2004
app pub date -
Nov 3, 2003
filing date -
Jun 14, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A retractable needle assembly can be used with a catheter and has a needle holder which is automatically shot back into the assembly body in a sharps safe manner when the canulla needle is moved forward into a vein. The needle is biased to withdraw by an elastic member that is stretch upon use of the needle assembly. Prior to use the elastic member is not stressed. Also disclosed is a valve assembly of a rigid hollow inner member and a compressible outer member. The outer has a self closing opening in register with an open end of the inner member to close the valve. The valve is opened by the outer member being moved away from said open end.
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