A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/32 (2006.01) A61M 25/06 (2006.01) A61M 39/22 (2006.01) A61M 39/04 (2006.01) A61M 39/26 (2006.01)
Patent
CA 2449894
A retractable needle assembly (12) 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 (13) is moved forward into a vein. The needle is biased to withdraw by an elastic member (22) that is stretched 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.
L'invention concerne un assemblage d'aiguille rétractable (12) pouvant être utilisé avec un cathéter et comportant un support d'aiguille automatiquement renvoyé dans le corps de l'assemblage, d'une façon sûre et rapide, lorsque l'aiguille de canule (13) est déplacée en avant dans une veine. L'aiguille est sollicitée en retrait par un élément élastique (22) qui se tend lors de l'utilisation de l'assemblage d'aiguille. Avant utilisation l'élément élastique n'est pas tendu. L'invention concerne aussi un assemblage de clapet entre un élément intérieur creux et un élément extérieur compressible. L'élément extérieur comporte un orifice auto-obturateur en correspondance avec une extrémité ouverte de l'élément intérieur afin de fermer le clapet. Le clapet est ouvert lorsque l'élément extérieur est retiré de l'extrémité ouverte.
Goudreau Gage Dubuc
Occupational & Medical Innovations Ltd.
LandOfFree
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