Endoscope

Details Endoscope Endoscope

1983-12-12

1987-07-21

Grieb, William H.

Surgery

Truss

Perineal

A61B 106

Patent

active

046810935

ABSTRACT:
An endoscope for image-observing or measuring an area filled with an opaque liquid is disclosed. The endoscope comprises an image fiber, a lens positioned at the leading end of the image fiber, a light guide arranged in parallel to the image fiber, a transparent fluid transport passage arranged in parallel to the image fiber and the light guide and having an outlet at the leading end thereof, a sheath enclosing the image fiber, lens, light guide and transparent fluid transport passage and a means for providing a field of vision at the leading end of the endoscope by a transparent fluid from the outlet of the transparent fluid transport passage. A means for stabilizing the field of vision formed by the field of vision providing means is provided on the leading end portion of the sheath.

REFERENCES:
patent: 3417745 (1968-12-01), Sheldon
patent: 3643653 (1972-02-01), Takahashi et al.
patent: 3690769 (1972-09-01), Mori
patent: 3831587 (1974-08-01), Boyd
patent: 3866599 (1975-02-01), Johnson
patent: 4284081 (1981-08-01), Kasper et al.

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