A safety needle

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/32 (2006.01) A61M 5/00 (2006.01)

Patent

CA 2596209

This invention relates to a safety needle pack to prevent needle stick injuries. The safety needle pack comprises a hollow needle, a needle hub (7) surrounding the hollow needle, a slidable sleeve (5) slidably mounted on the needle hub and a pack (35) surrounding the needle, hub and sleeve. The slidable sleeve is adapted to slide between an extended position in which the injection end of the needle is located inside the slidable sleeve and a retracted position in which the injection end of the needle projects from the slidable sleeve, via an intermediate position between the extended position and the retracted position in which the injection end of the needle projects partially from the slidable sleeve. The pack is releasably mounted on the needle hub and slidable sleeve such that the injection end of the pack covers the tip of needle. By causing the pack to be moved towards the syringe, the pack retracts the slidable sleeve from the extended position to the intermediate position.

La présente invention concerne un ensemble d'aiguille de sécurité destiné à prévenir les blessures par piqûre d'aiguille. L'ensemble d'aiguille de sécurité comporte une aiguille creuse, un pavillon d'aiguille (7) entourant l'aiguille creuse, un manchon coulissant (5) monté sur le pavillon d'aiguille de manière à pouvoir coulisser et un étui (35) enveloppant l'aiguille, le pavillon et le manchon. Ce dernier est adapté pour coulisser entre une position déployée dans laquelle la pointe de l'aiguille se trouve à l'intérieur du manchon coulissant et une position rétractée dans laquelle la pointe de l'aiguille dépasse du manchon coulissant, en passant par une position intermédiaire entre les positions déployée et rétractée, dans laquelle la pointe de l'aiguille dépasse partiellement du manchon coulissant. L'étui est monté de manière détachable sur le pavillon d'aiguille et le manchon coulissant de telle manière que l'extrémité de l'étui, côté injection, recouvre la pointe de l'aiguille. En déplaçant l'étui vers la seringue, l'étui rétracte le manchon coulissant de la position déployée vers la position intermédiaire.

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