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Medical treatment instrument, water supply / suction system for medical treatment instrument

  • US 20060265035A1
  • Filed: 05/15/2006
  • Published: 11/23/2006
  • Est. Priority Date: 05/13/2005
  • Status: Abandoned Application
First Claim
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1. A medical treatment instrument comprising at least:

  • an elongated insertion portion to be inserted into a body cavity;

    a treatment portion provided at a tip end of the insertion portion for treating a tissue to be treated in the body cavity by heating the tissue;

    a cylindrical member into which at least a part of the insertion portion is inserted;

    a flow passage formed between an outer circumference of the insertion portion and an inner circumference of the cylindrical member and through which at least one of a fluid supplied to the treatment portion and the fluid sucked from within the body cavity flows;

    an inlet/outlet communicating with the flow passage for performing at least one of supply to the flow passage of the fluid supplied to the treatment portion and discharge from the flow passage of the fluid sucked from within the body cavity; and

    an opening portion communicating with the flow passage and opened opposite to the treatment portion.

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