Title:
ENDOSCOPE BENDING TUBE AND ENDOSCOPE PROVIDED WITH ENDOSCOPE BENDING TUBE
Document Type and Number:
WIPO Patent Application WO/2016/052145
Kind Code:
A1
Abstract:
Provided is an endoscope bending part in which a first bending tube region (21a) and a second bending tube region (21b) which have mutually different bending characteristics are positioned from the distal end side of a bending part (21) to a base end side thereof. The slit width (w1) of each of a plurality of bend slits (24) arrayed on bend tube region (21a) is set to be narrower than the slit width (w2) of each of a plurality of bend slits (25) arrayed on bend tube region (21b), and with respect to adjacent bend slits, the width between the distal end side bend slits is set to be narrower than the width between the base end side bend slits. The spacing between the adjacent bend slits of the slit array of the bend region located at the distal end side is set to be narrower than the spacing between the adjacent bend slits of the slit array of the bend region located at the base end side.
Inventors:
NAKADE SHO (JP)
KURODA MOTOHIRO
KURODA MOTOHIRO
Application Number:
PCT/JP2015/075883
Publication Date:
April 07, 2016
Filing Date:
September 11, 2015
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B1/00; G02B23/24
Domestic Patent References:
| WO2013190910A1 | 2013-12-27 | |||
| WO2014030437A1 | 2014-02-27 | |||
| WO1999011313A1 | 1999-03-11 |
Foreign References:
| JPS58159719A | 1983-09-22 | |||
| US5437288A | 1995-08-01 | |||
| JP2014023945A | 2014-02-06 | |||
| US5381782A | 1995-01-17 |
Other References:
See also references of EP 3138465A4
Attorney, Agent or Firm:
ITOH SUSUMU (JP)
Susumu Ito (JP)
Susumu Ito (JP)
Download PDF: