Catheter having shaft of varying stiffness

Details Catheter having shaft of varying stiffness Catheter having shaft of varying stiffness

A - Human Necessities

61

M

A61M 25/01 (2006.01) A61M 25/00 (2006.01) A61M 25/10 (2006.01) A61M 29/02 (2006.01)

Patent

CA 2185146

A medical device such as a catheter (10) is described having a stiff, preferably metallic, proximal tube (21). The distal portion of the proximal tube may have a plurality of perforations or slots formed therein to increase its flexibility. This provides a smooth transition between the relatively stiff proximal tube and a more flexible distal polymeric tube (22).

Dispositif médical tel qu'un cathéter (10), muni d'un tube proximal rigide, de préférence métallique (21). La partie distale du tube proximal peut comporter une pluralité de perforations ou de fentes qui y sont pratiquées afin d'en accroître la flexibilité. Cela permet d'obtenir une transition souple entre le tube proximal relativement rigide et un tube en polymère (22) distal, plus souple.

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