US 12,251,109 B2
Handheld electromechanical surgical system
David E. Valentine, Jr., Hamden, CT (US); Alexander J. Hart, Tolland, CT (US); Charles R. Kollar, Washington, DC (US); Haley E. Strassner, Hamden, CT (US); James P. Delbo, Danville, PA (US); Steven H. Joyce, Durham, CT (US); and Stephen R. Casey, Wallingford, CT (US)
Assigned to Covidien LP, Mansfield, MA (US)
Appl. No. 18/266,200
Filed by Covidien LP, Mansfield, MA (US)
PCT Filed Dec. 12, 2021, PCT No. PCT/US2021/061844
§ 371(c)(1), (2) Date Jun. 8, 2023,
PCT Pub. No. WO2022/125397, PCT Pub. Date Jun. 16, 2022.
Claims priority of provisional application 63/122,538, filed on Dec. 8, 2020.
Prior Publication US 2024/0023967 A1, Jan. 25, 2024
Int. Cl. A61B 17/064 (2006.01); A61B 17/115 (2006.01); A61B 90/00 (2016.01); A61B 17/00 (2006.01)
CPC A61B 17/1155 (2013.01) [A61B 90/06 (2016.02); A61B 2017/00119 (2013.01); A61B 2017/00199 (2013.01); A61B 2017/00398 (2013.01); A61B 2017/00734 (2013.01); A61B 2090/064 (2016.02); A61B 2090/0811 (2016.02)] 17 Claims
OG exemplary drawing
 
1. A surgical device comprising:
a handle assembly including:
a power source;
a motor coupled to the power source; and
a controller configured to control the motor;
an adapter assembly configured to selectively couple to the handle assembly;
a reload configured to selectively couple to a distal portion of the adapter assembly, the reload including a plurality of fasteners; and
an anvil assembly selectively couplable to the distal portion of the adapter assembly, the anvil assembly being movable relative to the reload to define a starting position, a current position, and a compressed position;
wherein the controller is further configured to:
set a target clamping force between the anvil assembly and the reload;
control the motor to move the anvil assembly from the starting position toward the compressed position to compress tissue at the target clamping force; and
increment the target clamping force by a change in force value, wherein the change in force value is based on a distance ratio comprising the starting position, the current position, and the compressed position.