Attachment for endoscopes

Details Attachment for endoscopes Attachment for endoscopes

1987-05-13

1988-11-29

Grieb, William H.

Surgery

Truss

Perineal

A61B 106

Patent

active

047873701

ABSTRACT:
In order to enable an endoscope to be made at a low cost and to provide the endoscope capable of effecting uniform illumination up to the peripheral regions of even a wide visual field without loss of the amount of light, the attachment for endoscopes is removably mountable to the forward end of the endoscope and comprised of an observation optical system and a light-guide member having a light-incidence end surface facing the illumination optical system of the endoscope for receiving a light coming therefrom and a light-emitting end surface having a shape different from that of the light-incidence end surface for emitting the above-mentioned light toward an object under observation.

REFERENCES:
patent: 1751584 (1930-03-01), Hansell
patent: 2746450 (1956-05-01), Lady et al.
patent: 3496931 (1970-02-01), Pilling
patent: 4361139 (1982-11-01), Takagi
patent: 4403273 (1983-09-01), Nishioka
patent: 4660982 (1987-04-01), Okada

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