Title:
STIFFNESS VARIABLE APPARATUS
Document Type and Number:
WIPO Patent Application WO/2018/189888
Kind Code:
A1
Abstract:
The stiffness variable apparatus (10A) includes a first longitudinal member (20A) and a second longitudinal member (30A). The first longitudinal member and a second longitudinal member extend along a longitudinal axis and are arranged adjacent each other. The first longitudinal member has high bending stiffness parts (22A) and low bending stiffness parts (24A) which are alternately arranged along the longitudinal axis. The first longitudinal member includes a shape memory pipe (40A). The second longitudinal member has a heater (70) that causes the shape memory pipe to undergo a phase transition. The heater extends through an inner space of the shape memory pipe.
Inventors:
KITANAKA TOMOHIRO (JP)
Application Number:
PCT/JP2017/015320
Publication Date:
October 18, 2018
Filing Date:
April 14, 2017
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B1/005
Domestic Patent References:
| WO2016121060A1 | 2016-08-04 |
Foreign References:
| JP2006334201A | 2006-12-14 |
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
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