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Title:
SHEATH FOR FLEXIBLE MANIPULATOR
Document Type and Number:
WIPO Patent Application WO/2017/187615
Kind Code:
A1
Abstract:
In order to suppress variation of wire path length to accurately control a manipulator even when the tensile force on the wire passing through a lumen increases, this flexible manipulator sheath (1) is provided with a flexible inside tube (9) having a lumen (8) through which a wire (4) is passed along the longitudinal direction, and a flexible outside tube (10) which is arranged so as to cover the outer peripheral surface of the inside tube (9) and which has higher compression rigidity than the inside tube (9), wherein, on the outer peripheral surface of the inside tube (9), multiple protrusions (11) are provided, spaced in the circumferential direction, with the radially outward tips of said protrusions brought into close contact with the inner surface of the outside tube (11).

Inventors:
FUJII, Yuta (2951 Ishikawa-machi Hachioji-sh, Tokyo 07, 〒1928507, JP)
YOSHII, Toshihiro (2951 Ishikawa-machi Hachioji-sh, Tokyo 07, 〒1928507, JP)
Application Number:
JP2016/063428
Publication Date:
November 02, 2017
Filing Date:
April 28, 2016
Export Citation:
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Assignee:
OLYMPUS CORPORATION (2951 Ishikawa-machi, Hachioji-shi Tokyo, 07, 〒1928507, JP)
International Classes:
B25J18/06
Domestic Patent References:
WO2014004300A12014-01-03
Foreign References:
JP2009530051A2009-08-27
JP2009178568A2009-08-13
Attorney, Agent or Firm:
UEDA, Kunio et al. (37F The Landmark Tower Yokohama, 2-2-1 Minatomirai, Nishi-ku, Yokohama-sh, Kanagawa 37, 〒2208137, JP)
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