Title:
ENDOSCOPE BENDING PART
Document Type and Number:
WIPO Patent Application WO/2018/146852
Kind Code:
A1
Abstract:
In the present invention, a bending piece 33 is provided with: an annular wall section 33m having an inner circumferential surface 33n and an outer circumferential surface 33g and having a predetermined length N1; a plurality of wire insertion sections 33y in which insertion holes 33u, 33d, 33r, 33l through which a traction wire is inserted are formed and in which the wall section 33m has a first thickness M1; a thin wall section 33h that is a section of the wall section 33m between the wire insertion sections 33y in a direction R about the longitudinal axis and has a second thickness M2 that is smaller than the first thickness M1; and a thick wall section 33a that is a section of the wall section 33m at a different location from that of the thin wall section 33y between the wire insertion sections 33y in the direction R about the longitudinal axis and has a third thickness M3 that is greater than the second thickness M2.
Inventors:
NAKAJI HIROAKI (JP)
SATO EIJIRO
SATO EIJIRO
Application Number:
PCT/JP2017/033772
Publication Date:
August 16, 2018
Filing Date:
September 19, 2017
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B1/005; G02B23/24
Foreign References:
| JP2003260020A | 2003-09-16 | |||
| JP2010220827A | 2010-10-07 | |||
| JPH0654793A | 1994-03-01 |
Attorney, Agent or Firm:
ITOH Susumu (JP)
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