ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,490,981, issued on Dec. 9, was assigned to Covidien LP (Mansfield, Mass.).
"Surgical stapling device with powered handle assembly" was invented by Xiaowen Sun (Shanghai), Yezhou Wu (Shanghai), Lin Chen (Shanghai), Fen Du (Shanghai) and Shouwei Li (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical stapling device includes a staple reload and a handle assembly that supports a drive rack, a motor assembly, a gear assembly, a reload select mechanism, and a safety toggle mechanism. The gear assembly is adapted to facilitate uncoupling of the motor assembly from the drive rack to allow manual movement of the drive rack. The reload select mecha...