| 摘要 |
A high frequency treatment tool comprises: a flexible sheath; a treatment tool main body comprising a flexible cord and a high frequency knife on a tip end of the flexible cord, provided inside the flexible sheath; and first and second guide collars inside the flexible sheath, wherein the first guide collar is disposed closer to a base end side than the second guide collar, the first guide collar comprises a first guide surface that guides the high frequency knife toward a central axis line of the flexible sheath, the second guide collar comprises an insertion hole which the high frequency knife is stuck out from or withdrawn into, and comprises a second guide surface that guides the high frequency knife toward the insertion hole, a stopper member that restricts a sticking-out length of the high frequency knife from the insertion hole is attached to the treatment tool main body. |
