Treatment device for cutting living tissue
AssigneeOlympus Corporation
InventorsHideyuki Kasahara, Takahiro Kogasaka
Life of this patent
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Abstract
According to one aspect of the present invention, there is provided a treatment device for cutting a living tissue, comprising a main unit which is to be inserted into a body, a tip-end treatment portion which is disposed at a tip end of the main unit to cut the living tissue, a notch groove which is disposed at the tip-end treatment portion and which compresses the living tissue guided into the notch groove, and an electrode which is positioned in a part of the notch groove and which electrically cuts the living tissue compressed by the notch groove.
Claims6
-11. (canceled)
A blood vessel cutting device comprising:
- a blood vessel cutting section to cut a blood vessel;
- and
- a blood vessel holding member configured to slide between a forward position in front of the blood vessel cutting section and a backward position behind the forward position, while holding the blood vessel.
The blood vessel cutting device according to claim 1, wherein the backward position is set at a position where the held blood vessel is brought into contact with the blood vessel cutting section.
The blood vessel cutting device according to claim 2, wherein the backward position is set at a position behind the blood vessel cutting section.
The blood vessel cutting device according to claim 1, further comprising an elastic member to urge the blood vessel holding member toward the backward position.
The blood vessel cutting device according to claim 1, wherein the blood vessel holding member includes:
- a first bar section extending in a fore-and-aft direction;
- and
- a second bar section extending in a left-and-right direction from a distal end of the first bar section.
Dependencies are inferred from the claim text.