Membrane cap for blood-collecting system

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/145 (2006.01) A61J 1/20 (2006.01)

Patent

CA 2224914

A cap is used in combination with a needle holder having a collar and a double-ended needle and with a blood-collection tube having a neck. The cap is formed with a rear end shaped to fit complimentarily to the tube neck, a tubular front extension having a front edge and shaped to fit complimentarily to the holder collar with the needle projecting axially inward in the extension, and a crosswise centrally apertured partition spaced backward from the front edge. A pierceable membrane fixed on the crosswise partition is recessed in the body offset from the front end and traversed by the needle of the holder collar engaged with the front end. The membrane has a front face directed toward and spaced backward from the front edge of the extension.

Capuchon destiné à être utilisé en combinaison avec un porte-aiguille comportant un collet et une aiguille à deux pointes et avec un tube de prélèvement sanguin muni d'un col. Le capuchon est constitué d'une extrémité arrière conçue de manière à s'ajuster au col du tube; d'un raccord tubulaire avant comportant un bord avant et s'ajustant au collet du porte-aiguille, l'aiguille ressortant axialement à l'intérieur du prolongement, et d'une séparation transversale à orifice central espacée vers l'arrière du bord avant. Une membrane perforable située sur la séparation transversale est en retrait dans le corps, décalée par rapport au bord avant et traversée par l'aiguille sortant du collet du porte-aiguille engagé dans l'extrémité avant. La membrane comporte une face avant orientée vers le bord avant du raccord et espacée vers l'arrière du bord avant du raccord.

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