Cannula for the subcutaneous deposition of an object

A - Human Necessities – 61 – M

Patent

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Details

A61M 37/00 (2006.01) A61M 5/14 (2006.01) A61M 5/32 (2006.01) A61M 31/00 (2006.01)

Patent

CA 2183327

A cannula (10) for depositing an object in the body of a living organism comprises a cannula holder (14) with a first handle (16) and a sleeve (18) with a second handle (20). The sleeve surrounds the cannula holder (14) at least in regions, can be displaced axially with respect to it and has a mandrin (24) which extends into the cannula. The object can be deposited in the body by means of relative movement between the mandrin and the cannula (10) containing the object. To enable the cannula to be inserted and the object deposited using one hand only it is proposed that the sleeve be locked with the cannula holder (14) by at least one spreader element extending from the cannula holder or by a catch or lifting element (54) extending from the cannula holder or from the sleeve when pressure is exerted on the second handle (22) extending from the sleeve (18).

Une canule (10) qui sert à déposer un élément dans le corps d'un être vivant comprend un porte-canule (14) pourvu d'une première poignée (16) et un manchon (18) pourvu d'une deuxième poignée (20) et d'un mandrin (24) qui s'étend à l'intérieur de la canule. Le manchon (18) entoure au moins par sections le porte-canule (14) et est axialement mobile par rapport à celui-ci. L'élément est déposé dans le corps par déplacement relatif entre le mandrin et la canule (10) qui contient l'élément. Lorsque l'on exerce une pression sur la deuxième poignée (22), celle qui est montée sur le manchon (18), le manchon s'encliquette sur le porte-canule (14) au moyen d'au moins un écarteur monté sur ce dernier ou d'un élément d'encliquetage ou à levier (54) monté sur le porte-canule ou sur le manchon. La canule peut ainsi être manipulée d'une seule main lors de son insertion dans le corps et pendant l'implantation de l'élément dans le corps.

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