Importance

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Abstract

A laser balloon catheter for emitting in a balloon, laser lights which are transmitted through optical fibers and for irradiating the tissue with the laser lights transmitted through the balloon comprises laser light emitting means having a laser light emitting end of said optical fibers or a laser light transmittable member provided at the emitting end of the optical fibers which receives the laser lights to emit them, a first inflatable balloon provided around said light emitting means for transmitting the laser lights from said emitting means toward the tissue, a first fluid passage for supplying fluid into said first balloon to inflate the same and for discharging the fluid therefrom to deflate the same, a second inflatable balloon provided in front of said first balloon, a second fluid passage for supplying the fluid into said second balloon to inflate the same and for discharging the fluid therefrom to deflate the same.

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First Claim