Motor-controlled surgical system and method with auto-tuning motor control

摘要

"MOTOR CONTROLLED SURGICAL SYSTEM AND METHOD HAVING SELF-ACCORDING ENGINE CONTROL". Surgical system, adapted to operate with at least one surgical device, has a handpiece containing an engine that is adapted to receive the surgical device. The surgical device is activated through a sequence of positions through the motor's output shaft. A controller microprocessor controls the operation of the system. The motor has sensors to generate electrical position signals and the controller is responsive to the input signals to define both a stop position and a reversal position for the surgical device. As a result, the controller initiates the operation of the surgical device in the position called stop and for the operation of the surgical device so that it rests substantially in the stop position. In an oscillatory operating mode, the controller also forces the reversal to occur at a reversal position determined by the system, under the control of the user, unless a blocking condition is detected, in which case the reversal occurs as early as possible . In connection with an arthroscopic cutting device, the control allows the surgeon to control, for example, the opening action of the opening through which tissue and fluids are removed from the surgical site during reversal and start / stop conditions.