abstract of the disclosure a surgical instrument including an end effector that has a selectively reciprocatable implement movably supported therein. the implement is selectively advanceable in a distal direction upon application of a rotary retraction motion thereto and retractable in a proximal direction upon application of a rotary retraction motion thereto. an elongate shaft assembly is coupled to the end effector and is configured to transmit the rotary actuation motion and rotary retraction motion to the reciprocatable implement that is configured to generate the rotary actuation motion and said rotary retraction motion. _______________________________________________________________________ Abstract of the Summary Patent Summary "Robotically Controlled Swivel Rod-Based Drive Systems for Surgical Instruments" The present invention relates to a surgical instrument that includes an end actuator having a selectively reciprocally mobile implement attached thereto. . The implement is selectively advanced in a distal direction by applying a rotary drive motion to it and retractable in a proximal direction by applying a retracting rotary motion to it. an elongate rod assembly is coupled to the end actuator and is configured to transmit drive rotary motion and retract retraction motion to the reciprocating implement from a robotic system that is configured to generate drive rotary motion and said motion retractable swivel.abstract of the disclosure a surgical instrument including an end effector that has a selectively reciprocatable implement movably supported therein. the implement is selectively advanceable in a distal direction upon application of a rotary actuation motion thereto and retractable in a proximal direction upon application of a rotary retraction motion thereto. an elongate shaft assembly is coupled to the end effector and is configured to transmit the rotary actuation motion and rotary retraction motion to the reciprocatable implement from a robotic s
