Implantable cardiac lead with multiple shape memory polymer...

Details Implantable cardiac lead with multiple shape memory polymer... Implantable cardiac lead with multiple shape memory polymer...

A - Human Necessities

61

N

A61N 1/05 (2006.01)

Patent

CA 2320826

A cardiac lead is provided that is capable of deforming in situ to accommodate difficult myocardial structures. The lead includes a connector for coupling to a cardiac stimulator and a flexible tubular sleeve coupled to the connector. The sleeve is composed of a thermally-sensitive shape-memory polymeric material and is deformable in situ into a permanent shape. An electrode is coupled to the sleeve and a conductor wire is coupled to the connector and to the first electrode.

On décrit une dérivation cardiaque pouvant se déformer in situ pour s'adapter à des structures myocardiques. La dérivation inclut un raccord qui s'accouple à un stimulateur cardiaque et une enveloppe tubulaire souple couplée au raccord. L'enveloppe est composée d'un matériau polymérique thermosensible à mémoire de forme et peut se déformer in situ pour prendre une forme définitive. Une électrode est couplée à l'enveloppe et un fil conducteur est couplé au raccord et à la première électrode.

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