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US 5,536,236 AGranted
Covered endoscope system
AssigneeOlympus Optical Co., Ltd.
InventorsHisao Yabe, Yoshihiro Iida, Akira Suzuki, Hideo Ito, Yoshio Tashiro, Minoru Yamazaki, Osamu Tamada, Tsutomu Ishiguro
Life of this patent
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Abstract
A covered endoscope system according to the present invention comprises a cover and a coverable endoscope to be inserted into the cover for use. Herein, an optical filter is mounted in the distal part of a cover abutting on the front of an observation optical system of the coverable endoscope.
Claims4
A covered endoscope system, comprising:
- a cover;
- a coverable endoscope to be inserted into said cover for use;
- and
- an alignment holding means extends around the entire inner surface of a distal end portion of said cover wherein said alignment holding means holds together said cover and said coverable endoscope by providing a frictional fit between a substantially large area of the external surface of a distal end portion of said coverable endoscope and a substantially large area of the inner surface of a distal end portion of said cover.
1 more element
Dependencies are inferred from the claim text.