PROBLEM TO BE SOLVED: To provide a treatment system that can facilitate a technique for incising a tissue.SOLUTION: A treatment system comprises: a high-frequency incision forceps 2 a high-frequency power supply device 30 that is electrically connected to the high-frequency incision forceps 2 and supplies high-frequency current to the high-frequency incision forceps 2: and a return electrode 33 that is electrically connected to the high-frequency power supply device 30, can be attached to a body surface of a living body and receives the high-frequency current supplied to the high-frequency incision forceps 2. The high-frequency incision forceps 2 includes: a first forceps member 6 that has an incision electrode 12 and a second forceps member 13 that has a sensing electrode 17 capable of coming into contact with the incision electrode 12. The high-frequency power supply device 30 includes: a measuring unit 31 that is electrically connected to the sensing electrode 17 and measures impedance between the sensing electrode 17 and the incision electrode 12 and a current control unit 32 that controls the high-frequency current to be supplied to the incision electrode 12, on the basis of the impedance measured by the measuring unit 31.COPYRIGHT: (C)2014,JPO&INPIT【課題】組織を切開する手技が容易にできる処置システムを提供すること。【解決手段】高周波切開鉗子2と、高周波切開鉗子2に電気的に接続され高周波電流を高周波切開鉗子2に供給する高周波電源装置30と、高周波電源装置30に電気的に接続されているとともに生体の体表に取り付け可能であって、高周波切開鉗子2に供給された高周波電流を受ける対極板33と、を備え、高周波切開鉗子2は、切開電極12を備えた第一鉗子部材6と、切開電極12と接触可能なセンシング用電極17を備えた第二鉗子部材13と、を有し、高周波電源装置30は、センシング用電極17に電気的に接続され、センシング用電極17と切開電極12との間におけるインピーダンスを測定する測定部31と、測定部31において測定されたインピーダンスに基づいて切開電極12に供給する高周波電流を制御する電流制御部32と、を有する。【選択図】図1
