| 摘要 |
<p>A medical treatment instrument which comprises: a long and flexible sheath member (15, 19); an operation part located at a base end part opposite to the front end side by which a treatment member of the sheath member is supported; and a transmission member (21) which is inserted into the sheath member movably forward and backward and transmits a treatment driving force from the operation part to the treatment member. A coil-shaped retainer member (201) is provided between the inner circumferential surface of an insertion hole of the sheath member, into which the transmission member (21) is inserted, and the transmission member (21).</p> |
