Medical needle assemblies

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/32 (2006.01) A61B 17/20 (2006.01) A61M 5/34 (2006.01)

Patent

CA 2471065

A shieldable unit dose needle assembly including a needle holding member, a unit dose needle, a shield in pivotal engagement with respect to the needle, and a collar providing pivotal engagement between the needle and the shield. The shield is pivotally movable between a retracted position and a shielded position in which a portion of the shield encompasses the unit dose needle for safety purposes. The needle holding member includes a distal end having a male tapering surface. The collar further includes a proximal end having a female tapering surface in engagement with the mate tapering surface of the needle holding member.

Un ensemble porte-aiguille de protection à dose unitaire comprend un élément de maintien d'aiguille, une aiguille à dose unitaire, une gaine protectrice dans un accouplement pivotant par rapport à l'aiguille et un collet assurant l'accouplement pivotant entre l'aiguille et la gaine protectrice. Celle-ci peut se déplacer par pivotement entre la position rétractée et la position de protection, dans laquelle une partie de la gaine protectrice contient l'aiguille à dose unitaire à des fins de sécurité. L'élément de maintien de l'aiguille comprend une extrémité distale présentant une surface mâle rétreinte. Le collet comprend en plus une extrémité proximale présentant une surface femelle rétreinte dans l'accouplement avec la surface rétreinte homologue de l'élément de maintien de l'aiguille.

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