ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,312, issued on July 15, was assigned to Covidien LP (Mansfield, Mass.).
"Anvil and delivery system assembly with automatic retaining suture release" was invented by Yanli Wan (Shanghai), Yishuai Xu (Shanghai), Jinhang Liu (Shanghai), Yanjun Jiao (Shanghai) and Xiliang Zhang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "An anvil and delivery system assembly includes an anvil and a delivery system assembly. The delivery system includes a flexible guide member, an adapter, a tie down suture, and a retaining suture. The guide member is coupled to the center rod with the adapter. The tie down suture is secured to the adapter and to the anvil h...