SURGICAL CUTTING INSTRUMENT

摘要

A surgical cutting instrument has a sheath surrounding a drive housing and mounted to the drive housing, a removable cutter mounted to the drive housing in engagement with the sheath to form a fluid tight seal between the drive housing, the sheath the cutter, and a motor mounted in the drive housing. The motor comprises a micromotor with a drive shaft, the motor and a source of power being enclosed in the drive housing, and the cutter comprises a transfer member for connection to the micromotor and a blade adapted to be connected to the transfer member and to be driven thereby when the micromotor is energized.