Optical probe for myocardial channel formation

A - Human Necessities – 61 – B

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A61B 18/22 (2006.01) A61B 17/00 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2223949

An optical fiber device for forming channels within a wall of a patient's heart, and particularly the epicardium, which has an elongated optical fiber, a probe tip secured to the distal end of the optical fiber and an outer support tube secured to the proximal portion of the probe tip and a distal portion of the optical fiber proximal to the probe tip. In another embodiment, the optical fiber device has an elongated optical fiber, a probe tip secured to the distal end of the optical fiber and a radiating step or projection on the exterior of the probe tip to act as a stopping surface to control the depth of penetration of the probe tip into tissue.

L'invention concerne un dispositif à fibre optique destiné à la formation de canaux à l'intérieur d'une paroi du coeur d'un patient, notamment de l'épicarde, lequel présente une fibre optique allongée, une pointe de sonde fixée à l'extrémité distale de la fibre optique, ainsi qu'un tube de support extérieur fixé à la partie proximale de la pointe de la sonde et une partie distale de la fibre optique proximale de la pointe de la sonde. Dans un autre mode de réalisation, le dispositif à fibre optique présente une fibre optique allongée, une pointe de sonde fixée à l'extrémité distale de la fibre optique et un gradin radiant ou une partie saillante située sur l'extérieur de la pointe de la sonde, destinée à faire office de surface d'arrêt pour commander la profondeur de pénétration de la pointe de la sonde dans les tissus.

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