COVER FOR RIGID ENDOSCOPE AND ENDOSCOPE UNIT

WIPO Patent Application WO/2023/171329

A1

A cover (2) comprises: a cover member (10) which covers a part of the outer peripheral surface of a rigid endoscope (50) in the circumferential direction, in which one or a plurality of grooves (12, 14) extending in parallel with each other along the longitudinal direction of the rigid endoscope (50) are formed, and which has flexibility; and tubular members (40, 42) which are fitted into the grooves (12, 14) of the cover member (10) and in which cleaning fluid to be supplied from the proximal end side of the rigid endoscope (50) to an observation window portion of the rigid endoscope (50) is caused to flow. A discharge portion (20), in which a plurality of discharge ports (22, 24) are formed, is provided with a branch portion (27) that causes the cleaning fluid supplied from the tubular members (40, 42) to branch off and to be discharged from the respective discharge ports (22, 24) toward the observation window portion.

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MATSUMOTO KEITARO (JP)
NAGAYASU TAKESHI (JP)
TAKAGI KATSUNORI (JP)
TAKEZAKI HIROSHI (JP)

PCT/JP2023/005828

September 14, 2023

February 17, 2023

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UNIV NAGASAKI (JP)
TRYTEC CO LTD (JP)

A61B1/00; A61B1/12

WO2019240170A1	2019-12-19
WO2019026206A1	2019-02-07
WO2016168764A1	2016-10-20

JP3186191U	2013-09-19
JP2012187138A	2012-10-04

KASHIMA Hiromoto (JP)

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