Title:
OPTICAL ADAPTER FOR ENDOSCOPE AND ENDOSCOPE APPARATUS
Document Type and Number:
Japanese Patent JP2018102714
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an optical adapter for endoscopes having a reduced diameter, hardly causing fracture of a mounting part thereof mounted on a distal end of an insertion part, and preventing fall.SOLUTION: An optical adapter 20 for endoscopes includes: a connection ring 22 configured to be attachable/detachable with respect to a distal end 8 of an insertion part 7 of an endoscope 1; an adapter-side screw part 27 that is provided on the connection ring 22, comes into contact with a distal-side first screw part 14a for fall prevention, provided at the distal end 8 so as to prevent the fall, and is threadedly engaged with a distal-side second screw part 14b for fixed installation, provided at the distal end 8; and an antislip-finished part 25 formed at an outer peripheral part of the connection ring 22 and provided at such a position not to be overlapped with the distal-side first screw part 14a in a state where the distal-side second screw part 14b and the adapter-side screw part 27 are threadedly engaged with each other.SELECTED DRAWING: Figure 5
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Inventors:
KATO NAOHIKO
Application Number:
JP2016253903A
Publication Date:
July 05, 2018
Filing Date:
December 27, 2016
Export Citation:
Assignee:
OLYMPUS CORP
International Classes:
A61B1/00; G02B23/26
Attorney, Agent or Firm:
Susumu Ito
Yasushi Hasegawa
Osamu Shinoura
Yasushi Hasegawa
Osamu Shinoura