Title:
A flexible tube and insertion apparatus
Document Type and Number:
Japanese Patent JP6058220
Kind Code:
B2
Abstract:
A flexible tube used as a part of an insertion section which defines a central axis of an insertion apparatus to be inserted into a hole, the flexible tube includes: a helical tube comprising a closely-wound region including a concave-convex portion which is provided on each of a pair of edges of a strip-shaped member elongated along a longitudinal axis, and which alternately includes convex portions and concave portions on the concave-convex portion, wherein, in a state where the strip-shaped member is spirally wound, the convex portions of the concave-convex portions facing each other along the central axis are compressed to each other; and a cylindrical outer tube which covers an outer surface of the helical tube.
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Inventors:
Kento Mori
Takahiro Kishi
Takahiro Kishi
Application Number:
JP2016522084A
Publication Date:
January 11, 2017
Filing Date:
December 01, 2015
Export Citation:
Assignee:
Olympus Endo Technology America Inc.
International Classes:
A61B1/00; G02B23/24
Domestic Patent References:
| JPS63270021A | 1988-11-08 | |||
| JP2013141521A | 2013-07-22 | |||
| JPH0380701U | 1991-08-19 | |||
| JPH078443A | 1995-01-13 | |||
| JPS63270021A | 1988-11-08 | |||
| JP2013141521A | 2013-07-22 |
Foreign References:
| US20100331618A1 | 2010-12-30 | |||
| US20100331618A1 | 2010-12-30 |
Attorney, Agent or Firm:
Kurata Masatoshi
Nobuhisa Nogawa
Naoki Kono
Tadashi Inoue
Ukai Ken
Nobuhisa Nogawa
Naoki Kono
Tadashi Inoue
Ukai Ken