A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/178 (2006.01) A61M 25/06 (2006.01) A61M 5/32 (2006.01)
Patent
CA 2347433
A needle assembly includes a needle member (10) and a blunting member (26), the needle member (10) containing a needle cannula (12), the needle cannula (12) having a puncture tip (14) and having a needle passageway therethrough. The blunting member (26) contains a blunting probe (28) having a blunt end (28a). The needle cannula (12) and the blunting probe (28) are disposed telescopically one within the other without obstructing flow through the needle passageway, and are movable between a sharpened configuration in which the puncture tip (14) of the needle cannula (12) is exposed and a blunted configuration in which the blunt end (28a) of the blunting probe (28) extends beyond the puncture tip (14) to blunt the needle assembly. The assembly may be combined with an accessory device (such as a catheter hub, guide wire, etc.) to produce an apparatus that is lockable in a blunted configuration and that can be released by the associated accessory, or may be configured to be released by manual manipulation.
L'invention concerne un ensemble aiguille comprenant une aiguille (10) et un élément de neutralisation de l'aiguille (26). L'aiguille (10) contient une canule d'aiguille (12), laquelle (12) comporte une extrémité perforante (14) et un passage d'aiguille traversant. L'élément de neutralisation (26) contient une sonde de neutralisation (28) à extrémité arrondie (28a). La canule (12) et la sonde (28) sont placées télescopiques l'une dans l'autre, sans obstruer l'écoulement dans le passage de l'aiguille, et elles passent d'une configuration pointue dans laquelle l'extrémité perforante (14) de la canule (12) est exposée, à une configuration neutralisée dans laquelle l'extrémité arrondie (28a) de la sonde (28) s'étend au-delà de l'extrémité perforante (14) pour neutraliser l'ensemble aiguille. L'ensemble peut être combiné avec un accessoire (du type garde de cathéter, fil-guide, etc.), pour donner un instrument verrouillable en configuration neutralisée et libérable via l'accessoire associé, ou susceptible d'être configuré pour une libération manuelle.
Hauri Marius Walter
Holdaway Richard G.
Kinsey P. Spencer
Polidoro John M.
Bio-Plexus Inc.
Sim & Mcburney
LandOfFree
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