Catheter and use method thereof

Details Catheter and use method thereof Catheter and use method thereof

A - Human Necessities

61

M

A61M 25/06 (2006.01) A61M 25/01 (2006.01)

Patent

CA 2460327

The invention relates to a catheter of the type having a needle and a cannula which is used for the introduction thereof, using just one hand, into the blood channels of a living body, preferably a human. The inventive catheter comprises three independent assembled bodies. The first of said bodies is a hollow cylinder which is open at the rear end thereof and which has a cannula solidly connected to the front end of same, said first body also comprising guide means which are assembled to the guide means of a second body or casing. The aforementioned casing, which is open at the upper part thereof, front and rear, is provided with a needle which is solidly connected to the front end of said casing and which is provided with a semi-circular section along most of the length thereof. A plunger is inserted inside the cylinder, said plunger being perforated and hollow along the entire length thereof. The upper part of said plunger is provided with a flange and push element and the rear end thereof is provided with a connection.

L'invention concerne un cathéter pourvu d'une aiguille et d'une canule permettant de l'insérer à l'aide d'une seule main dans les canaux sanguins du corps d'un être vivant, de préférence un corps humain, et composé de trois corps assemblés de manière indépendante. Le premier est constitué d'un cylindre creux ouvert au niveau de son extrémité postérieure et équipé d'une canule associée au niveau de son extrémité antérieure, ainsi que de moyens de guidage qui viennent s'assembler aux moyens de guidage d'un second corps ou structure. Celle-ci est ouverte dans sa partie supérieure, antérieure et postérieure, et comprend au niveau de son extrémité antérieure une aiguille associée présentant une section semi-circulaire sur la majeure partie de sa longueur. A l'intérieur du cylindre est introduit un piston perforé et creux sur toute sa longueur, présentant un rebord et un élément de poussée dans sa partie supérieure, et comprenant une connexion au niveau de son extrémité postérieure.

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