Title:
自走式内視鏡
Document Type and Number:
Japanese Patent JP6843685
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a self-running type endoscope in which a quick movement is possible with a simple configuration.SOLUTION: A self-running type endoscope 3 comprises: a tip end part 11; a self-running mechanism unit 20; and an insertion part 12. The self-running mechanism unit 20 comprises a holding unit 30A that has: a front pipe 33A that has a foam fluorine tube body 33, which has a gap enabling ventilation of an interior surface side and an exterior surface side, is freely deformable and is set to a predetermined length,; an expansion unit 31A that is slidably arranged on an outer peripheral surface of the foam fluorine tube body 33, and is formed to be freely expandable with a plurality of slits 31s provided along a center axis; a bellows 32A that is arranged on the exterior surface of the foam fluorine tube body 33, foldable in a center axis direction and has an air leakage prevented; and a holding space S1 to which air is supplied via a connection tube 61b. The self-running type endoscope has the holding part 30A on a tip end part 11 side and on an insertion part 12 side, respectively.SELECTED DRAWING: Figure 2
Inventors:
Yasuo Hirata
Application Number:
JP2017079999A
Publication Date:
March 17, 2021
Filing Date:
April 13, 2017
Export Citation:
Assignee:
Olympus Endo Technology America Inc.
International Classes:
G02B23/24; A61B1/00
Domestic Patent References:
| JP10127564A | ||||
| JP2001315636A | ||||
| JP2012081130A | ||||
| JP2003260022A | ||||
| JP2015121705A |
Foreign References:
| US4676228 | ||||
| CN104523215A |
Attorney, Agent or Firm:
Patent Business Corporation Itoshin International Patent Office
Susumu Ito
Yasushi Hasegawa
Osamu Shinoura
Susumu Ito
Yasushi Hasegawa
Osamu Shinoura