US 10,888,320 B2
Hypothermic circular surgical staplers and methods of use
Nir I. Nativ, West Orange, NJ (US); Leo B. Kriksunov, Ithaca, NY (US); Robert J. Tannhauser, Bridgewater, NJ (US); and Silvia Chen, Kendall Park, NJ (US)
Assigned to Ethicon, Inc., Somerville, NJ (US)
Filed by Ethicon, Inc., Somerville, NJ (US)
Filed on Oct. 20, 2017, as Appl. No. 15/789,055.
Prior Publication US 2019/0117220 A1, Apr. 25, 2019
Int. Cl. A61B 17/068 (2006.01); A61F 7/12 (2006.01); A61B 17/072 (2006.01); A61B 17/115 (2006.01); A61B 18/00 (2006.01); A61B 17/00 (2006.01); A61F 7/00 (2006.01); A61B 34/00 (2016.01); A61B 17/10 (2006.01); A61B 18/14 (2006.01)
CPC A61B 17/0684 (2013.01) [A61B 17/072 (2013.01); A61B 17/07207 (2013.01); A61B 17/115 (2013.01); A61B 17/1155 (2013.01); A61F 7/12 (2013.01); A61B 17/10 (2013.01); A61B 18/1445 (2013.01); A61B 34/70 (2016.02); A61B 2017/00092 (2013.01); A61B 2017/07257 (2013.01); A61B 2017/07271 (2013.01); A61B 2018/00011 (2013.01); A61B 2018/00023 (2013.01); A61B 2018/00047 (2013.01); A61B 2018/00791 (2013.01); A61F 2007/0056 (2013.01); A61F 2007/0057 (2013.01); A61F 2007/0075 (2013.01); A61F 2007/0096 (2013.01); A61F 2007/126 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A hypothermic circular stapling instrument comprising:
a circular anvil having an anvil tissue facing surface and an opposite distal end; the circular anvil having a peripheral staple bending zone on said anvil tissue facing surface; a cylindrical stapling head mounted on a support shaft, said stapling head containing a concentric knife and a plurality of deployable staples in concentric arrays within a stapling head tissue facing surface of said stapling head; a moveable shaft connecting the circular anvil and stapling head; and at least one cooled zone,
wherein the cooled zone is located inside the circular anvil in proximity to the anvil tissue facing surface,
wherein the cooled zone comprises a reservoir filled with a coolant.