US 11,690,618 B2
Handheld electromechanical surgical instruments
Matthew Chowaniec, Madison, CT (US)
Assigned to Covidien LP, Mansfield, MA (US)
Filed by Covidien LP, Mansfield, MA (US)
Filed on Mar. 18, 2021, as Appl. No. 17/205,525.
Application 17/205,525 is a division of application No. 15/355,823, filed on Nov. 18, 2016, granted, now 10,952,726.
Claims priority of provisional application 62/265,631, filed on Dec. 10, 2015.
Prior Publication US 2021/0204943 A1, Jul. 8, 2021
Int. Cl. A61B 17/072 (2006.01); A61B 17/29 (2006.01); A61B 17/00 (2006.01); A61B 90/00 (2016.01)
CPC A61B 17/07207 (2013.01) [A61B 2017/0046 (2013.01); A61B 2017/00367 (2013.01); A61B 2017/00398 (2013.01); A61B 2017/00473 (2013.01); A61B 2017/00477 (2013.01); A61B 2017/00734 (2013.01); A61B 2017/07271 (2013.01); A61B 2017/07285 (2013.01); A61B 2017/2925 (2013.01); A61B 2090/0813 (2016.02)] 18 Claims
OG exemplary drawing
 
1. A surgical instrument, comprising:
a power pack including:
an inner handle housing;
a motor disposed in the inner handle housing; and
a drive shaft disposed in the inner handle housing and coupled to and movable by the motor;
an outer shell housing configured to encase the power pack therein, the outer shell housing including a first drive member having a distal end portion disposed outside of and distal of the inner handle housing of the power pack, the first drive member having a proximal end portion being configured to selectively couple to the drive shaft of the power pack; and
a coupling gear configured to interconnect the drive shaft and the first drive member.