A bipolar high frequency treatment tool includes an inserting portion to be inserted into a human body through an instrument channel of the endoscope. An electrode assembly is attached to the distal end of the inserting portion. The electrode assembly includes a supporting member having a slit, a pair...http://www.google.com/patents/US7354439?utm_source=gb-gplus-sharePatent US7354439 - Treatment tool for endoscope having end effector operating like pincers
