A surgical instrument includes a motor, a dissecting tool coupled to the motor for rotation about an axis of the motor, the motor further including a base at one end thereof. The motor is further provided with an elongate member extending from the base and parallel to the motor axis. A foot member extends...http://www.google.com/patents/US5304191?utm_source=gb-gplus-sharePatent US5304191 - Surgical instrument with rotatable indexing footed attachment
