US 12,343,012 B2
Surgical stapler and a control method therefor
Qing Liu, Beijing (CN); Xiaoqiang Chen, Beijing (CN); Xuelan Yang, Beijing (CN); and Libo Liu, Beijing (CN)
Assigned to B. J. ZH. F. PANTHER MEDICAL EQUIPMENT CO., LTD., Beijing (CN)
Appl. No. 18/690,475
Filed by B. J. ZH. F. PANTHER MEDICAL EQUIPMENT CO., LTD., Beijing (CN)
PCT Filed Sep. 8, 2022, PCT No. PCT/CN2022/117913
§ 371(c)(1), (2) Date Mar. 8, 2024,
PCT Pub. No. WO2023/036263, PCT Pub. Date Mar. 16, 2023.
Claims priority of application No. 20211062646.9 (CN), filed on Sep. 10, 2021; and application No. 202111098001.0 (CN), filed on Sep. 18, 2021.
Prior Publication US 2024/0237981 A1, Jul. 18, 2024
Int. Cl. A61B 17/072 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/072 (2013.01) [A61B 2017/00022 (2013.01); A61B 2017/00128 (2013.01); A61B 2017/00398 (2013.01); A61B 2017/00734 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A surgical stapler, wherein comprising a housing, a control part and a drive part for providing power are provided in the housing, and the control part is electrically connected to the drive part;
the control part is configured to acquire a real-time drive current value and a jump current average value of the drive part; determining a difference value between a drive current value at a current moment and a drive current value at a previous moment; and comparing the difference value with a jump current average value, and if the difference value is greater than the jump current average value, controlling the drive part to stop working.