Title:
TREATMENT TOOL
Document Type and Number:
WIPO Patent Application WO/2020/202514
Kind Code:
A1
Abstract:
This treatment tool is provided with: a long insertion section 42 having a hollow shape and having a plurality of hole sections 423 formed therein; a shaft 43 that moves to advance and retreat in the longitudinal direction of the insertion section 42; a plurality of needles 44 that move between first positions protruding out of the insertion section 42 from a plurality of hole sections 423 and second positions positioned inside the insertion section 42 according to the advancing/retreating movement of the shaft 43; a plurality of first insulating members that respectively covers the plurality of needles 44; and an energy supply part that supplies power to the plurality of needles 44. The hole sections 423 extend in a direction crossing the longitudinal direction of the insertion section 42 and restricts the protruding directions of the needles 44 toward the outside of the insertion section 42. The first insulating members cover regions excluding the tips of the needles 44.
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Inventors:
HORIE SATOSHI (JP)
Application Number:
PCT/JP2019/014873
Publication Date:
October 08, 2020
Filing Date:
April 03, 2019
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B18/14
Foreign References:
| US5823197A | 1998-10-20 | |||
| US20150164571A1 | 2015-06-18 | |||
| US5733282A | 1998-03-31 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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