Manual release for medical device drive system

A surgical instrument, comprising:

• a surgical tool;
• a gear operably coupled to the surgical tool;
• a manual input member;
• and
• a coupling member positioned between the manual input member and the gear;
• wherein on a condition that the coupling member is in a first position, the manual input member is operably coupled to drive rotation of the gear;
• and
• wherein on a condition that the coupling member is in a second position, the manual input member is operably decoupled from the gear.

A surgical instrument, comprising:

• a surgical tool;
• a gear operably coupled to the surgical tool;
• a manual input member;
• and
• a coupling member positioned between the manual input member and the gear;
• wherein the coupling member moves longitudinally between a first position and a second position in response to a rotation of the manual input member;
• wherein the first position is distal to the second position;
• wherein on a condition that the coupling member is in the first position, the manual input member is operably coupled to drive rotation of the gear;
• and
• wherein on a condition that the coupling member is in the second position, the manual input member is operably decoupled from the gear.