A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
327/1.2
A61B 18/22 (2006.01) A61N 5/06 (2006.01) A61N 5/067 (2006.01)
Patent
CA 2038946
Laser light irradiation apparatus, which irradiates laser light to living tissues of an animal such as a human body for use an incision, vaporization of the living tissues or a thermal therapy and in case of widening a narrow path of the living tissues such as a stricture pare caused by cholesterol formed in the blood vessel of the human body. This laser light irradiation apparatus comprises the plural number of optical fibers and a laser light emitter. The emitter transmits laser light fed from a laser light generator. Then, at least the fore end portions of the optical fibers are exposed to be cores respectively and the exposed cores are surrounded by a clad-material serving as the laser light emitter.
Cette invention concerne un appareil d'irradiation laser pour le traitement de tissu vivant d'un humain par exemple. Il est utilisé pour inciser ou vaporiser des tissus vivants, pour les soumettre à une thermothérapie et pour élargir un canal présentant un étranglement, notamment les vaisseaux sanguins obstrués en raison d'hypercholestérolémie. L'appareil objet de l'invention comprend plusieurs fibres optiques et un émetteur de lumière laser. Cet émetteur transmet la lumière laser provenant d'une source laser. Le coeur des fibres optiques est dénudé au moins à leur extrémité avant et ces coeur exposés sont entourés d'une gaine servant d'émetteur de lumière laser.
Daikuzono Norio
Macrae & Co.
S.l.t. Japan Co. Ltd.
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