Catheter device

A - Human Necessities – 61 – M

Patent

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Details

A61M 1/10 (2006.01) A61M 1/12 (2006.01)

Patent

CA 2701809

The invention relates to a catheter device comprising a drive shaft connected to a motor and a rotor attached to the distal end region of the drive shaft. The rotor has a frame structure comprised of a helical limiting frame and rotor struts extending radially inwards from the limiting frame. The rotor struts are attached to the drive shaft on the ends thereof distant from the limiting frame. An electrical lining extends between the limiting frame and the drive shaft. The frame structure, made of an elastic material, is configured such that the rotor independently deploys after a forced compression.

Mécanisme de cathéter comprenant un arbre de transmission (4) relié à un moteur (7) et un rotor (3.2) fixé à l'arbre de transmission au niveau de l'extrémité distale. Le rotor présente une structure de châssis (3.2.1) constituée d'un bâti limiteur hélicoïdal (3.2.2) et d'entretoises de rotor (3.2.3) s'étendant radialement vers l'intérieur depuis le bâti limiteur. Les entretoises sont fixées à l'arbre de transmission par leurs extrémités éloignées du bâti limiteur. Un accouplement élastique s'étend entre le bâti limiteur et l'arbre de transmission. La structure de châssis en matériau élastique est conçue de sorte que le rotor se déploie automatiquement après une compression forcée.

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