US 12,357,312 B2
Anvil and delivery system assembly with automatic retaining suture release
Yanli Wan, Shanghai (CN); Yishuai Xu, Shanghai (CN); Jinhang Liu, Shanghai (CN); Yanjun Jiao, Shanghai (CN); and Xiliang Zhang, Shanghai (CN)
Assigned to Covidien LP, Mansfield, MA (US)
Appl. No. 18/563,122
Filed by Covidien LP, Mansfield, MA (US)
PCT Filed May 24, 2021, PCT No. PCT/CN2021/095510
§ 371(c)(1), (2) Date Nov. 21, 2023,
PCT Pub. No. WO2022/246600, PCT Pub. Date Dec. 1, 2022.
Prior Publication US 2024/0237985 A1, Jul. 18, 2024
Int. Cl. A61B 17/115 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/1155 (2013.01) [A61B 2017/00477 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An anvil and delivery system assembly comprising:
an anvil including an anvil head and a center rod, the anvil head secured to the center rod by a pivot member and movable between a first tilted position, an operative position, and a second tilted position; and
a delivery system including a flexible guide member, an adapter, a tie down suture, and a retaining suture, the flexible guide member coupled to the center rod of the anvil with the adapter, the tie down suture secured to the anvil head and to the adapter to retain the anvil head in the first tilted position, and the retaining suture secured to the anvil head via the tie down suture such that release of the tie down suture from the anvil head automatically releases the retaining suture from the anvil head.