Laser apparatus utilizing marking laser for triggering operative

Details Laser apparatus utilizing marking laser for triggering operative Laser apparatus utilizing marking laser for triggering operative

1982-07-19

1984-06-19

Kamm, William E.

Surgery

Truss

Pad

128 6, 1283031, 219121LZ, 372 14, A61N 300

Patent

active

044548826

ABSTRACT:
A laser apparatus includes an operating laser oscillator for generating an operating laser beam for medical treatment and a marker laser oscillator for generating a visible laser beam (i.e., marker laser beam) in order to mark a portion of the body cavity to be treated. The marker laser beam is guided coaxial with the operating laser beam to become incident on a laser probe. The marker laser beam is intermittently shielded by a chopper. The shielded marker laser beam is reflected by a reflecting surface of the chopper and is guided to a photosensor. The operating laser oscillator is driven in response to an output signal from the photosensor.

REFERENCES:
patent: 3525332 (1970-08-01), Kosaka
patent: 3533707 (1970-10-01), Weiss
patent: 3710798 (1973-01-01), Bredemeier
patent: 4309998 (1982-01-01), Aror nee Rosa et al.
patent: 4316467 (1982-02-01), Muckerheide
patent: 4336809 (1982-06-01), Clark

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