Circular stapler with selectable motorized and manual control

An apparatus for stapling tissue, the apparatus comprising:

• (a) a closure assembly operable to clamp tissue between an anvil and a stapling head assembly;
• (b) a firing assembly operable to drive a knife and at least one staple through tissue from the stapling head assembly toward the anvil;
• and
• (c) a drive assembly, wherein the drive assembly comprises:
• (i) a motor,
• (ii) a pivoting member coupled to the motor,
• (iii) a firing rod, wherein the firing rod is operable to actuate the firing system, and
• (iv) a closure rod, wherein the closure rod is operable to actuate the closure system;
• wherein the pivoting member is configured selectively switch between engaging either the firing rod or the closure rod such that the motor is operable to actuate the firing rod when the pivoting member is engaged with the firing rod and the motor is operable to actuate the closure rod when the pivoting member is engaged with the closure rod.

An apparatus for stapling tissue, the apparatus comprising:

• (a) a stapling head assembly;
• (b) a shaft assembly coupled to the stapling head assembly;
• and
• (c) a handle assembly coupled to the shaft assembly, wherein the handle assembly comprises:
• (i) a motor, wherein the motor is operable to actuate the stapling head assembly in a motorized operational mode,
• (ii) a rotation knob, wherein the rotation knob is configured to translate between a first position and a second position, wherein the rotation knob is operable to actuate the stapling head assembly in a manual operational mode, and
• (iii) a selection assembly, wherein the selection assembly is operable to provide the motorized operational mode when the rotation knob is in the first position, wherein the selection assembly is operable to provide the manual operational mode when the rotation knob is in the second position.