Method for collecting tissue in bile duct
AssigneeOlympus Corporation
InventorMariko KANEKO
Life of this patent
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Abstract
In a method of collecting a tissue in a bile duct, the method includes a step A of inflating a balloon in the bile duct and pressing the balloon against a wall of the bile duct, a step B of, in a state where a guide tube is positioned by using the balloon, bending a distal end portion of the guide tube so that a distal end opening of the guide tube is directed toward the wall of the bile duct, a step C of inserting a treatment tool into the guide catheter and protruding a distal end portion of the treatment tool toward the wall, and a step D of collecting a tissue using the treatment tool.
Claims7
A method of collecting a tissue in a bile duct, the method comprising:
- inflating a balloon in the bile duct and pressing the balloon against a wall of the bile duct;
- bending a first distal end portion of a guide tube so that a distal end opening of the guide tube is directed toward the wall of the bile duct to allow the guide tube to be positioned using the balloon;
- inserting a treatment tool into the guide tube and protruding a second distal end portion of the treatment tool toward the wall;
- and
- collecting a tissue using the treatment tool.
Dependencies are inferred from the claim text.