Title:
TREATMENT INSTRUMENT FOR ENDOSCOPE
Document Type and Number:
WIPO Patent Application WO/2010/018671
Kind Code:
A1
Abstract:
A treatment instrument for an endoscope which facilitates a procedure such as excision of a tissue. Relating to providing of a flex knife which facilitates the procedure such as excision of a tissue, the treatment instrument comprises a rod-like diathermy knife (2) for excision treatment when inserted into a body cavity endoscopically, a wire (3) having the diathermy knife (2) connected to the front end thereof, a sheath (4) made from an insulating material and having the wire (3) inserted thereinto, a body connected with the rear end of the sheath (4), and a slider which has the rear end of the wire (3) fixed thereto and is disposed slidably in an axial direction with respect to the body. The diathermy knife (2) comprises at the distal end thereof a large diameter portion (6) having an outside diameter larger than the inside diameter of the sheath (4).
Inventors:
SUZUKI TETSU (JP)
YAHAGI NAOHISA (JP)
YAHAGI NAOHISA (JP)
Application Number:
PCT/JP2009/003769
Publication Date:
February 18, 2010
Filing Date:
August 06, 2009
Export Citation:
Assignee:
OLYMPUS MEDICAL SYSTEMS CORP (JP)
SUZUKI TETSU (JP)
YAHAGI NAOHISA (JP)
SUZUKI TETSU (JP)
YAHAGI NAOHISA (JP)
International Classes:
A61B18/12
Foreign References:
| JP2004313537A | 2004-11-11 | |||
| JP2006326157A | 2006-12-07 | |||
| JP2008000386A | 2008-01-10 |
Other References:
See also references of EP 2322109A4
Attorney, Agent or Firm:
TANAI, Sumio et al. (JP)
Sumio Tanai (JP)
Sumio Tanai (JP)
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