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Patent Searching and Data


Title:
RIGIDITY VARIABLE APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/174633
Kind Code:
A1
Abstract:
The present invention is provided with: a tubular member in which multiple high-rigidity tube parts arranged along the longitudinal axis of the tubular member are coupled, along the longitudinal axis, to one or more low-rigidity tube parts that are arranged between the respective high-rigidity tube parts and have a lower flexural rigidity than the high-rigidity tube parts; a core member which is equipped with one or more high-rigidity core parts arranged within the tubular member and a low-rigidity core part that is connected to the one or more high-rigidity core parts inside the tubular member and that has a lower flexural rigidity than the high-rigidity core parts; and a driving device which is connected to the core member and/or the tubular member and which is for moving the core member relative to the tubular member, wherein the driving device is configured to execute a first operation in which a first force for moving the core member relative to the tubular member in an axial direction along the longitudinal axis is generated while the strength and/or the direction of the force is varied over time.

Inventors:
KUGO TOMOYUKI (JP)
TAKAHASHI TAKESHI
KITANAKA TOMOHIRO
Application Number:
PCT/JP2019/007684
Publication Date:
September 03, 2020
Filing Date:
February 27, 2019
Export Citation:
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Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B1/005
Domestic Patent References:
WO2017191686A12017-11-09
WO2018189888A12018-10-18
Attorney, Agent or Firm:
ITOH-SHIN PATENT OFFICE (JP)
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