Intraoperative myocardial device and stimulation procedure

Details Intraoperative myocardial device and stimulation procedure Intraoperative myocardial device and stimulation procedure

A - Human Necessities

61

B

A61B 17/32 (2006.01) A61B 18/24 (2006.01) A61B 17/00 (2006.01) A61B 17/22 (2006.01) A61B 18/20 (2006.01)

Patent

CA 2207570

A method for stimulating revascularization of myocardium tissue in the ventricular wall of a human heart is disclosed. The method includes the steps of moving the distal end of an optical fiber element forwardly through the epicardium of the heart and into the myocardium and emitting relatively low power bursts of laser energy from the distal end to form stimulus injury zones that promote capillary growth and tissue revascularization. Each penetration of the optical fiber element may produce multiple stimulus zones spaced radially from or in line with the axis of the optical fiber element. Apparatus for moving the optical fiber element and controlling the laser emissions in a predetermined manner is also disclosed.

Méthode de stimulation de la revascularisation des tissus miocardiques de la paroi ventriculaire d'un coeur humain. La méthode comprend les étapes permettant de faire pénétrer l'extrémité distale d'un élément de fibre optique à travers l'épicarde du coeur puis dans le myocarde et d'émettre des impulsions laser relativement faibles à partir de l'extrémité distale de manière à former des zones-stimulus qui favorisent la croissance capillaire et la revascularisation des tissus. Chaque pénétration de l'élément de fibre optique peut produire de multiples zones-stimulus dans le même axe que l'élément de fibre optique ou disposées selon un rayon par rapport à l'axe. L'invention comprend également l'appareil permettant de déplacer l'élément de fibre optique et de contrôler les émissions laser de façon prédéterminée.

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