Device for introducing fibrin adhesive into a puncture channel

Details Device for introducing fibrin adhesive into a puncture channel Device for introducing fibrin adhesive into a puncture channel

A - Human Necessities

61

B

A61B 17/00 (2006.01) A61M 25/14 (2006.01) A61M 25/16 (2006.01)

Patent

CA 2334803

According to the invention a working cannula (1) is fixedly joined to a medical coupling element (3) which is placed onto a sealing cannula (2) and can be screwed onto same. The medical coupling element (3) has an actuating lever (34) and a covering plate (39). When the medical coupling element (3) is rotated by means of the actuating lever (34) in relation to the sealing cannula (2), the working cannula (1) is partially pulled into the sealing cannula (2) to such a depth that inlet openings (11) in the proximal end of the working cannula (1) are drawn into a sealing chamber (14) at the proximal end of the sealing cannula (2). This ensures that the outlet openings (6) through which, for example, fibrin adhesive can be administered into the puncture channel, do not enter an artery. In the insertion position the covering plate (39) simultaneously covers the sealing tube (5) through which the sealing material is injected.

Selon l'invention, une canule de travail (1) est assujettie à un élément d'accouplement médical (3) pouvant être vissé sur une canule de scellement (2). Cet élément d'accouplement médical (3) présente un levier de commande (34) et une plaque de recouvrement (39). Lorsque l'on fait tourner l'élément d'accouplement médical (3) par rapport à la canule de scellement (2) au moyen du levier de commande (34), la canule de travail (1) est introduite en partie dans la canule de scellement (2) à une profondeur telle que des ouvertures d'entrée (11) au niveau de l'extrémité proximale de la canule de travail (1) sont introduites dans une chambre d'étanchéité (14) au niveau de l'extrémité proximale de la canule de scellement (2). Ainsi, les ouvertures de sortie (6), à travers lesquelles par exemple la colle à la fibrine peut être appliquée dans le canal de ponction, ne pénètrent pas dans une artère. En position d'introduction, la plaque de recouvrement (29) recouvre simultanément la tubulure de scellement (5) à travers laquelle est injecté le matériau de scellement.

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