US 12,167,850 B2
Surgical stapler with removable power pack
C. Robert Satti, III, Westbrook, CT (US); Thomas G. Wenchell, Jr., Durham, CT (US); and Peter Nielsen, Ridgefield, CT (US)
Assigned to REVMEDICA, INC., Middletown, CT (US)
Filed by RevMedica, Inc., Durham, CT (US)
Filed on Dec. 9, 2022, as Appl. No. 18/078,308.
Application 18/078,308 is a continuation of application No. 17/269,907, granted, now 11,564,685, previously published as PCT/US2020/042033, filed on Jul. 15, 2020.
Claims priority of provisional application 62/876,586, filed on Jul. 19, 2019.
Claims priority of provisional application 62/962,388, filed on Jan. 17, 2020.
Prior Publication US 2023/0136300 A1, May 4, 2023
Int. Cl. A61B 17/072 (2006.01); A61B 17/068 (2006.01); A61B 34/20 (2016.01); A61B 17/00 (2006.01); A61B 17/115 (2006.01); A61B 17/29 (2006.01); A61B 17/32 (2006.01); A61B 34/30 (2016.01); A61B 90/00 (2016.01)
CPC A61B 17/072 (2013.01) [A61B 17/068 (2013.01); A61B 34/20 (2016.02); A61B 2017/00022 (2013.01); A61B 2017/00398 (2013.01); A61B 2017/00473 (2013.01); A61B 2017/00734 (2013.01); A61B 17/07207 (2013.01); A61B 2017/07214 (2013.01); A61B 2017/07257 (2013.01); A61B 2017/07271 (2013.01); A61B 17/1155 (2013.01); A61B 2017/2927 (2013.01); A61B 2017/320052 (2013.01); A61B 2034/2059 (2016.02); A61B 34/30 (2016.02); A61B 2090/0807 (2016.02); A61B 2090/0811 (2016.02)] 19 Claims
OG exemplary drawing
 
1. A power pack removably loadable into a compartment of a surgical fastener applier, the power pack having a first motor and a first engagement member removably engageable with a firing mechanism within the housing of the surgical fastener applier when the power pack is loaded into the compartment, the first engagement member movable axially in response to rotation of a first screw operatively connected to the first motor, and a thrust bearing limits axial movement of the first screw, wherein linear movement of the first engagement member effects movement of the firing mechanism from the first position to the second position, and a first load cell is engageable by the thrust bearing to measure a force during firing.