To provide medical devices for surgical operations.SOLUTION: A medical device for surgical operation according to the present invention includes: a body unit configured to be gripped by an operator and having a supply pipe and a suction pipe to supply and suck fluid, a regulation unit to regulate a flow rate of fluid, and a power connection unit to apply external power to, each of which is installed in the body unit； a surgical treatment unit detachably coupled to the body unit and inserted into an affected part in a body, where the surgical treatment unit includes a hollow conductive adaptor connected to each of the power connection unit, the supply pipe and the suction pipe and having an electrode tip protruding at an end thereof and also includes an insertion pipe configured to perform a relative movement in a state of accommodating the adaptor therein and to selectively receive the electrode tip therein； and a treatment-switching unit provided in the body unit in a state of being connected to the power connection unit so as to selectively switch between surgical treatments performed by the electrode tip on the affected part.SELECTED DRAWING: Figure 2【課題】 外科手術用医療装置が開示されている。【解決手段】 本発明による外科手術用医療装置は、流体の供給及び吸引のための供給管及び吸引管と、流体の流量調節のための調節部と、外部電源が印加される電源連結部とがそれぞれ内設され、施術者が把持するボディー部；上記ボディー部に着脱可能に結合されて上記電源連結部、供給管及び吸引管とそれぞれ連結され、端部に電極チップが突出形成された導電性の中空型アダプタと、上記アダプタを内部に収容した状態で相対移動し上記電極チップを選択的に内部に収納する挿入管とを含んで身体内患部に挿入される外科処置部；及び、上記電源連結部と連携された状態で上記ボディー部に備えられ、上記電極チップの患部に対する外科的処置を選択的に切り換える処置切換部；を含む。【選択図】 図２
