Catheter

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/092 (2006.01) A61B 5/04 (2006.01) A61B 5/042 (2006.01) A61B 18/12 (2006.01) A61L 29/00 (2006.01) A61N 1/05 (2006.01) A61N 1/18 (2006.01)

Patent

CA 2203526

A catheter includes a torque transmission assembly coupled to an elongate body wherein the torque transmission assembly can transmit torque along the elongate body. The elongate body includes a distal portion and an opposite proximal portion. The torque transmission assembly includes one or more wires extending along the elongate body and one or more exposed segments along the elongate body. The torque transmission assembly ensures that a substantial fraction of the rotational and displacement forces provided along the elongate body are translated to rotational and displacement forces at the distal portion. An electrical connector is coupled to the wires and these wires can conduct electrical current between the electrical connector and at least one of the distal portion and the one or more exposed segments.

La présente invention concerne un cathéter, comportant un ensemble de transmission de couple en relation avec un corps oblong, et capable de transmettre un couple le long du corps oblong caractérisé par une partie distale et, à l'opposé, une partie proximale. L'ensemble de transmission de couple est constitué, d'un ou plusieurs fils disposés sur la longueur du corps oblong, et d'un ou de plusieurs segments non isolés disposés sur la longueur du corps oblong. L'ensemble de transmission du couple garantit que la majeure partie des forces de rotation et de translation s'exerçant sur la longueur du corps oblong seront converties en forces de rotation et de translation au niveau de la partie distale. Un connecteur électrique est couplé aux fils capables de conduire un courant électrique, entre le connecteur électrique et soit la partie distale, soit l'un au moins des segments non isolés.

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