Surgical light interruption device

Details Surgical light interruption device Surgical light interruption device

1993-01-21

1995-08-29

Ben, Loha

Optical: systems and elements

Compound lens system

Microscope

359227, 359385, G02B 2106, G02B 2602

Patent

active

054465834

ABSTRACT:
A surgical light interruption device which interrupts light transmitted to a patient's eye through a surgical microscope at a predetermined interval for a predetermined frequency to reduce light toxicity to the patient's eye during surgery. The device uses an oscillator to intermittently block and allow transmission of light from a light source used in conjunction with the surgical microscope, thereby interrupting light which is transmitted to the patient's eye.

REFERENCES:
patent: 4324460 (1982-04-01), Daley
patent: 4560238 (1985-12-01), Mori
patent: 4561731 (1985-12-01), Kley
patent: 4657013 (1987-04-01), Hoerenz et al.
patent: 4940323 (1990-07-01), Downing
patent: 5299053 (1994-03-01), Kleinburg et al.

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