Endoscope having sealed shaft

Details Endoscope having sealed shaft Endoscope having sealed shaft

1990-08-13

1991-09-17

Grieb, William H.

Surgery

Truss

Perineal

A61B 100

Patent

active

050485083

ABSTRACT:
An endoscope having an edoscope shaft, a periscope, optics removably secured to the endoscope shaft and separable from the endoscope shaft and an instrument channel having an apertured cap through which treatment instruments are introduced into the instrument channel under visual control via the optics. The endoscope shaft has a hollow interior, a substantially kidney-shaped cross-section with a substantially semicircular upper surface portion for partial extenral reception of a catheter in the semicircular upper surface and a lower surface within the hollow interior retaining the periscope thereon.

REFERENCES:
patent: 4167939 (1979-09-01), Storz
patent: 4630598 (1986-12-01), Bonnet
patent: 4653476 (1987-03-01), Bonnet
patent: 4700694 (1987-10-01), Shisido
patent: 4784118 (1988-11-01), Fantone
patent: 4944287 (1990-07-01), Takahashi et al.

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