Endoscope treatment tool

Abstract

An endoscope treatment tool includes a sheath, a knife, a connecting unit and a body. The sheath includes a first channel opened at a distal end of the sheath. The knife inserted into the first channel, the knife having a second channel extending from a distal end of the knife to a proximal end of the knife. The connecting unit is located inside the sheath, the connecting unit including a cavity internal to the connecting unit and defining a storage path. A cross-sectional area of the cavity is larger than a cross-sectional area of the second channel. The body disposed in the cavity. The body is translatable in the cavity between a first position and a second position. The body forms a passage and, in the first position, the passage is in communication with the second channel.

Dependencies are inferred from the claim text.