Medical treatment instrument, water supply / suction system for medical treatment instrument
First Claim
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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Accused Products
Abstract
A medical treatment instrument of the present invention includes an elongated insertion portion inserted into a body cavity, a treatment portion provided at a tip end of the insertion portion for treating a tissue in the body cavity by heating, a cylindrical member into which 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 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 one of supply of the fluid supplied to the treatment portion and discharge 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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Citations
13 Claims
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1. A medical treatment instrument comprising at least:
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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. - View Dependent Claims (2, 3, 4, 5)
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6. A water supply/suction system for a medical treatment instrument, comprising at least:
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a medical treatment instrument having a treatment portion for performing a treatment using heat and an elongated lengthy insertion portion to be inserted into a body cavity, an opening portion in the vicinity of the treatment portion, a flow passage for water supply/suction to/from the treatment portion disposed in the insertion portion, and a base in the flow passage to be connected to a water supply source/suction source at a base end portion of the insertion portion. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13)
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Specification