US 11,849,946 B2
Surgical stapler having downstream current-based motor control
David C. Yates, Morrow, OH (US); and Frederick E. Shelton, IV, Hillsboro, OH (US)
Assigned to Cilag GmbH International, Zug (CH)
Filed by Cilag GmbH International, Zug (CH)
Filed on Dec. 10, 2021, as Appl. No. 17/547,670.
Application 17/547,670 is a continuation of application No. 16/731,281, filed on Dec. 31, 2019, granted, now 11,344,299.
Application 16/731,281 is a continuation of application No. 16/164,303, filed on Oct. 18, 2018, granted, now 10,863,986, issued on Dec. 15, 2020.
Application 16/164,303 is a continuation of application No. 14/862,415, filed on Sep. 23, 2015, granted, now 10,105,139, issued on Oct. 23, 2018.
Prior Publication US 2022/0167979 A1, Jun. 2, 2022
Int. Cl. A61B 17/072 (2006.01); H02P 7/28 (2016.01); A61B 17/068 (2006.01); H02P 7/03 (2016.01); A61B 17/00 (2006.01); A61B 90/00 (2016.01)
CPC A61B 17/072 (2013.01) [A61B 17/00 (2013.01); A61B 17/068 (2013.01); A61B 17/07207 (2013.01); H02P 7/04 (2016.02); H02P 7/28 (2013.01); A61B 17/00234 (2013.01); A61B 2017/00017 (2013.01); A61B 2017/0046 (2013.01); A61B 2017/00123 (2013.01); A61B 2017/00137 (2013.01); A61B 2017/00398 (2013.01); A61B 2017/00464 (2013.01); A61B 2017/00486 (2013.01); A61B 2017/00734 (2013.01); A61B 2017/07214 (2013.01); A61B 2090/0803 (2016.02)] 20 Claims
OG exemplary drawing
 
1. A surgical stapler, comprising:
a driver;
an electric motor coupled to the driver; and
a control circuit electrically connected to the electric motor, wherein the control circuit comprises:
an H-bridge circuit; and
a sensor downstream of the H-bridge circuit,
wherein the control circuit is configured to control the electric motor based on a sensed parameter sensed by the sensor.