Integrated coaxial transmission line and flexible drive cable

A - Human Necessities – 61 – B

Patent

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Details

A61B 8/12 (2006.01) F16C 1/02 (2006.01)

Patent

CA 2319520

The present invention provides for integrated coaxial drive cables and transmission lines for use in catheter systems. In one embodiment, the invention comprises a catheter system comprising a catheter body (30) having a distal end, a proximal end and a working lumen (42). A drive cable extends through the catheter body's working lumen and comprises an outerwound layer, an innerwound layer and a central lumen. A coaxial cable is provided comprising a conducting core (32) and an insulation layer (34). The coaxial cable (32, 34) is disposed to extend through and fill the central lumen (42).

La présente invention concerne des câbles d'entraînement et lignes de transmission coaxiaux intégrés, destinés à s'utiliser dans des systèmes de cathéters. Dans un mode de réalisation, l'invention concerne un système de cathéter comprenant un corps de cathéter (30) doté d'une extrémité distale, d'une extrémité proximale et d'une lumière (42) de travail. Un câble d'entraînement s'étend dans la lumière de travail du corps de cathéter et comprend une couche d'enroulement extérieur, une couche d'enroulement intérieur et une lumière centrale. Le cathéter comprend également un câble coaxial possédant une âme conductrice (32) et une couche isolante (34). Le câble coaxial (32, 34) est disposé de manière à s'étendre dans la lumière (42) centrale qu'il remplit.

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