Surgical laser system

Details Surgical laser system Surgical laser system

1982-02-09

1984-07-17

Cohen, Lee S.

Surgery

Truss

Pad

128395, 219121LZ, A61B 1736

Patent

active

044599862

ABSTRACT:
An amount of energy of an output laser beam emanating from a distal end of a flexible light guide is measured by arranging a partial reflecting mirror having a reflection factor of about 99% and a transmissivity of about 1% at the last rotating nod portion of the light guide nearest to the distal end. A heat sink is applied onto a rear surface of the partial reflecting mirror and a thermocouple is arranged in contact with the heat sink to measure a temperature of the heat sink. The output energy of the laser beam can be accurately measured from an output signal of the thermocouple without being affected by a variation of a transmissivity of the light guide.

REFERENCES:
patent: 2710798 (1955-06-01), Hansley
patent: 3062965 (1962-11-01), Sick
patent: 3528424 (1970-09-01), Ayres
patent: 3710798 (1973-01-01), Bredemeier
patent: 3865114 (1975-02-01), Sharon
patent: 4266547 (1981-05-01), Komiya
patent: 4423726 (1984-01-01), Imagawa et al.

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