| 摘要 |
PROBLEM TO BE SOLVED: To provide a medical treatment tool capable of expanding an expansion body without feeding any fluid.SOLUTION: A medical treatment tool 1 comprises: an insertion tube 2 to be inserted into a body of a patient; a rotor 4 extended into said insertion tube 2 and made rotatable on the axial direction of the insertion tube 2; an expansion body 6 disposed at a leading end part of the insertion tube 2 and made expandable in a radial direction of the insertion tube 2; and a rotation force transmission mechanism 7 for transmitting a rotation force of the rotor 4 to the expansion body 6 thereby to expand the expansion body 6. |
