Dual view endoscope

Details Dual view endoscope Dual view endoscope

1988-06-13

1989-07-11

Grieb, William H.

Surgery

Truss

Perineal

350174, 350352, A61B 106

Patent

active

048461547

ABSTRACT:
An endoscope which is provided at its distal end with two fixed field lens assemblies, one facing generally forwardly and the other laterally, the endoscope also being provided with an adjustable control allowing the practioner to switch at will between the illuminated surgical or diagnostic site as viewed by one field lens or the other without removing the endoscope from the patient.

REFERENCES:
patent: 2403731 (1946-07-01), MacNeille
patent: 3711181 (1973-01-01), Adams et al.
patent: 3918438 (1975-11-01), Hayamizu et al.
patent: 4066334 (1978-01-01), Fray et al.
patent: 4148550 (1979-04-01), MacAnally
patent: 4148551 (1979-04-01), MacAnally
patent: 4398811 (1983-08-01), Nishioka et al.
patent: 4699463 (1987-10-01), D'Amelio et al.

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