ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,921, issued on Nov. 18, was assigned to Covidien LP (Mansfield, Mass.).
"Small diameter surgical stapling device" was invented by Zhaokai Wang (Shanghai), Xiliang Zhang (Shanghai) and Jiangfeng Zhang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical stapling device includes an outer tube having a proximal body portion and a distal channel portion. A distal end of the proximal body portion defines a pair of cutouts. An anvil assembly includes an anvil body defining a tissue contact surface and a pair of pivot members which are supported within the cutouts. A staple cartridge is supported in the distal channel portion of the outer tu...