Intravascular temperature sensor

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/00 (2006.01) A61B 17/00 (2006.01) A61B 17/22 (2006.01)

Patent

CA 2438687

Devices and methods for detecting vulnerable plaque within a blood vessel are disclosed. A catheter in accordance with the present invention includes an elongate shaft having a proximal end, a distal end, and an outer surface. At least one temperature sensor is disposed proximate to the distal end of the elongate shaft. In one preferred embodiment, the at least one temperature sensor is adpated to contact inner surface of the blood vessel. In another preferred embodiment, at least one temperatre sensor is disposed within a channel defined by a body member that is disposed about the elongate shaft.

L'invention concerne des dispositifs et des procédés de détection d'une plaque vulnérable dans un vaisseau sanguin. Selon la présente invention, un cathéter comprend un arbre allongé comprenant une extrémité proximale, une extrémité distale, et une surface extérieure. Au moins un capteur de température est disposé près de l'extrémité distale de l'arbre allongé. Dans un mode de réalisation préféré, le capteur de température est adapté pour venir en contact avec la surface intérieure du vaisseau sanguin. Dans un autre mode de réalisation préféré, au moins un capteur de température est disposé dans un canal défini par un corps placé autour de l'arbre allongé.

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