Antiglare tip in a sheath for an endoscope

Details Antiglare tip in a sheath for an endoscope Antiglare tip in a sheath for an endoscope

1990-11-30

1993-03-16

Mancene, Gene

Surgery

Truss

Perineal

A61B 100

Patent

active

051935252

ABSTRACT:
An antiglare tip for the sheath of an endoscope to prevent glare in an image viewer is disclosed. The antiglare tip includes an interfitting region with the endoscope to ensure that all light entering the image viewer is reflected from objects external to the endoscope. An opaque projection extends from the endoscope insertion tube between the light source and the image viewer. Opaque recesses in the tip are positioned to mate with the opaque projections extending from the endoscope end. Having mating projections and recesses aligned ensures that no light may pass directly from the light source to the image viewer via the tip. Glare resulting from internal reflections in the tip, or from an inside surface of the tip, is prevented.

REFERENCES:
patent: 4419987 (1983-12-01), Ogiu
patent: 4622954 (1986-11-01), Arakawa et al.
patent: 4646722 (1987-03-01), Silverstein et al.
patent: 4677471 (1987-06-01), Takamura et al.
patent: 4721097 (1988-01-01), D'Amelio
patent: 4788967 (1988-12-01), Ueda
patent: 4794911 (1989-01-01), Okada
patent: 4805598 (1989-02-01), Ueda
patent: 4974580 (1990-12-01), Anapliotis

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