CPC A61B 17/07207 (2013.01) [A61B 2017/0046 (2013.01); A61B 2017/00398 (2013.01)] | 17 Claims |
1. A handle assembly for a surgical stapler, the handle assembly comprising:
a handle body, the handle body comprising a stationary handle and a trigger pivotably coupled to the handle body;
an electric motor disposed within the handle body;
an actuation shaft slidable within the handle body along a longitudinal axis and rotatable within the handle body about the longitudinal axis, the actuation shaft comprising a rack formed thereon;
a mechanical return mechanism; and
a retention mechanism configured to restrict distal longitudinal advancement of the actuation shaft upon actuation of the mechanical return mechanism;
wherein the retention mechanism comprises a plurality of fins extending transversely to the longitudinal axis, the plurality of fins frictionally engaging the actuation shaft upon actuation of the mechanical return mechanism.
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