US Patent 9693772 Staple line reinforcement for anvil and cartridge

A surgical buttress for use in a surgical stapling apparatus is provided and includes an elongate rectangular body portion defining a width; a neck portion integrally formed with and extending from a distal end of the body portion, the neck portion defining a width; a head portion integrally formed with and connected to a distal end of the neck portion, the head portion defining a width; and a tail portion integrally formed with and extending from a proximal end of the body portion, the tail portion defining a width. The width of the tail portion is less than the width of the body portion.