Photocoagulator

Details Photocoagulator Photocoagulator

1975-05-16

1977-05-31

Pace, Channing L.

Surgery

Truss

Pad

128396, A61F 900

Patent

active

040262936

ABSTRACT:
A photocoagulator using a gas discharge lamp and a mirror for forming a double image of the luminous plasma region of the lamp in a photocoagulation area adjusted for size by interchangeable field stops is improved for easier adjustability when field stop sizes are changed. A manually operable screw ring moves the lamp axially relative to the mirror to adjust the separation of one image from the other relative to the size of the field stop, and the side of the field stop facing toward the coagulation area is illuminated for brightening the environment of the coagulation area for easier observation.

REFERENCES:
patent: 1559062 (1925-10-01), Anderson
patent: 1806318 (1931-05-01), Tillyer
patent: 2930379 (1960-03-01), Dopp et al.
patent: 3084694 (1963-04-01), Kavanagh et al.
patent: 3096767 (1963-07-01), Gresser et al.
patent: 3796220 (1974-03-01), Bredemeier

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