Title:
MULTI-FUNCTION HIGH-FREQUENCY TOOL FOR ENDOSCOPE
Document Type and Number:
WIPO Patent Application WO/2017/101625
Kind Code:
A1
Abstract:
A multi-function high-frequency tool for an endoscope, comprising an insert portion (1) and a handle portion (2), the insert portion (1) comprising an insulating tip (101), a first electrode (102) having a needle-knife function, a second electrode (104) having an IT-knife function, and a spray head (105); the handle portion (2) comprising a first slider (202), a connector (203), an injection connector (204), and a second slider (206). The second electrode (104) has a hollow structure, and the first electrode (102) extends through the second electrode (104); the proximal end of the first electrode (102) is fixedly connected by means of a mandrel connecting member (109) to the distal end of a mandrel (110); the proximal end of the mandrel (110) is connected to the first slider (202) of the handle portion (2), and moves axially on the handle portion (2) by means of the first slider (202), thereby causing the first electrode (102) to expose from/retract into the second electrode (104). The first electrode (102) having a needle-knife function achieves the functions such as quickly dotting to mark and cutting a mucous membrane; and the second electrode (104) having an IT-knife function is additionally provided with the insulating tip (101) at its distal end, achieving the functions such as dissecting the tissue and burning a bleeding point to stop bleeding.
Inventors:
ZHOU HUAZHEN (CN)
MA SHUREN (CN)
YANG ZHUO (CN)
ZHAO ZHIFENG (CN)
ZHANG RONGNAN (CN)
MA SHUREN (CN)
YANG ZHUO (CN)
ZHAO ZHIFENG (CN)
ZHANG RONGNAN (CN)
Application Number:
PCT/CN2016/105626
Publication Date:
June 22, 2017
Filing Date:
November 14, 2016
Export Citation:
Assignee:
ANREI MEDICAL (HANGZHOU) CO LTD (CN)
International Classes:
A61B18/12; A61B17/94; A61M3/02
Foreign References:
CN105434038A | 2016-03-30 | |||
CN205307086U | 2016-06-15 | |||
JP4870710B2 | 2012-02-08 | |||
CN104411265A | 2015-03-11 | |||
CN203328800U | 2013-12-11 | |||
JP5601776B2 | 2014-10-08 | |||
CN104055572A | 2014-09-24 | |||
CN103110457A | 2013-05-22 | |||
CN203861344U | 2014-10-08 |
Other References:
See also references of EP 3381391A4
Attorney, Agent or Firm:
HANGZHOU FENGHE PATENT ATTORNEYS OFFICE CO., LTD (CN)
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