Surgery – Truss – Perineal
Patent
1980-10-30
1983-01-11
Howell, Kyle L.
Surgery
Truss
Perineal
A61B 106
Patent
active
043677304
ABSTRACT:
An endoscope is provided with a water proof cover on its eyepiece portion or its connector portion to be connected with a light source system. The water proof cover is provided with a smooth engaging face on the internal periphery near its open end to be liquid tightly engaged with a packing ring mounted on the endoscope. There is provided a protective cover above the packing ring to prevent the ring from being damaged while the cover is removed from the endoscope. In a preferred embodiment, the water proof cover is provided with a protective sleeve which is slid into the protecting position to cover and protect the smooth engaging face while the water proof cover is removed from the endoscope. In a further preferred embodiment, the water proof cover is made into such a form as to enable the diopter ring to be rotated with the cover mounted on the endoscope.
REFERENCES:
patent: 1438013 (1922-12-01), Benson
patent: 2794360 (1957-06-01), Eagle
patent: 2908198 (1959-10-01), Staudt
patent: 3131477 (1964-05-01), Thomas
patent: 3510196 (1970-05-01), Beer et al.
patent: 4240411 (1980-12-01), Hosono
Fuji Photo Optical Co., Ltd.
Hindenburg Max F.
Howell Kyle L.
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