| 摘要 |
PURPOSE: To provide a surgical device provided with a hand piece which is so constituted as to receive surgical appliances. CONSTITUTION: This hand piece is provided with a drive shaft which is driven by electric power rotating a surgical appliance about a shaft, a fixing seal element which is sealed to an electric motor assembly, and a motion seal element which is sealed to the drive shaft, and the both seal elements are provided with engagement seal parts constituting end seals of a surface which crosses the rotation axis of the drive shaft. |
