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Endoscope therapeutic device

  • US 8,221,306 B2
  • Filed: 11/04/2009
  • Issued: 07/17/2012
  • Est. Priority Date: 04/13/2004
  • Status: Active Grant
First Claim
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1. An introduction guide tube for receiving a treatment tool used for treatment in a body cavity inserted therethrough, the introduction guide tube comprising:

  • an operating mechanism provided at a distal portion of the introduction guide tube for retaining a distal end of the treatment tool inserted through the introduction guide tube and for moving the distal end of the treatment tool,a wire being inserted through the introduction guide tube and being capable of freely moving forward or backward along an axis direction of the introduction guide tube, whereinthe operating mechanism comprises a rotating mechanism,the rotating mechanism is configured to convert a linear motion into a rotary motion, wherein in the linear motion, the wire moves along the axis direction of the introduction guide, and in the rotary motion, the treatment tool rotates around an axis of rotation corresponding to a longitudinal axis of a treatment tool insertion channel of the introduction guide tube or to an axis extending in parallel with the longitudinal axis.

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