Laser beam treatment device for an endoscope

Details Laser beam treatment device for an endoscope Laser beam treatment device for an endoscope

1988-11-18

1990-08-21

Hindenburg, Max

Surgery

Instruments

Light application

606 15, A61B 1736

Patent

active

049502670

ABSTRACT:
A laser beam irradiation apparatus comprising a laser generating device, a laser beam irradiation probe for applying a laser beam from the laser generating device to a region of an object of irradiation, an ultrasonic transmitter/receiver for emitting ultrasonic waves toward the region to which the laser beam is applied by the probe, receiving reflected waves from the irradiated region, and converting the reflected waves into an electrical signal, a measuring device for measuring the temperature of the irradiated region in accordance with the electrical signal from the ultrasonic transmitter/receiver, and an output adjuster for adjusting the output of the laser generating device in accordance with a temperature signal from the measuring device.

REFERENCES:
patent: 4397314 (1983-08-01), Vaguine
patent: 4433692 (1984-02-01), Baba
patent: 4513749 (1985-04-01), Kino et al.
patent: 4576177 (1986-03-01), Webster, Jr.
patent: 4672963 (1987-06-01), Barken
patent: 4676231 (1987-06-01), Hisazumi et al.
patent: 4693244 (1987-09-01), Daikuzono
patent: 4788975 (1988-12-01), Shturman et al.
patent: 4817615 (1989-04-01), Fukukita et al.

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