The utility model relates to an electric knife pen, which comprises a pen body, an air extraction device and an electric knife device.The pen body defines a gas pipeline including a first suction port.The air extraction device is communicated with the gas pipeline, and can be controlled to suck the gas from the first suction port and flow along the gas pipeline.The electric knife device is adjacent to the first suction port and is arranged on the pen body.Through the air extraction device, the electric knife pen provided by the new model can inhale the gas generated when the electric knife device contacts the tissue through the first suction port into the gas pipeline, so as to maintain the health of medical staff.一種電刀筆，包含一筆身、一抽氣裝置，及一電刀裝置。該筆身界定一包括一第一吸氣口的氣體管道。該抽氣裝置與該氣體管道連通，並可被控制地將氣體自該第一吸氣口吸入並沿該氣體管道流動。該電刀裝置鄰近該第一吸氣口地設置於該筆身。本新型提供的電刀筆透過該抽氣裝置，可將該電刀裝置接觸組織時所產生的氣體經由該第一吸氣口吸入該氣體管道，而維護醫護人員的健康。
