US Patent 10265091 Surgical stapler/cutter and extended buttress

The present invention is directed to surgical staplers stapling and resecting tissue comprising a surgical buttress at least partially disposed on a tissue facing surface of at least one of the cartridge or the anvil, said buttress having width substantially larger than width of said tissue facing surfaces; said buttress comprising a first portion positioned over the deployable staples or over the staple forming pockets, and at least one flap portion not positioned over the deployable staples or over the staple forming pockets; said flap portion folded or rolled on itself and configured to be unfurlable and wrappable about the resected tissue. The present invention is also directed to methods of use of such stapler assembly devices.