Patent ID: 11957795
Assignee: CILAG GMBH INTERNATIONAL
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 0:
1. A stapling system for stapling the tissue of a patient, said stapling system comprising:
a first jaw;
a second jaw, wherein one of said first jaw and said second jaw is movable relative to the other of said first jaw and said second jaw between an open position and a closed position to capture the patient tissue therebetween;
a staple cartridge, comprising:
a deck;
a longitudinal slot configured to receive a firing driver, wherein said firing driver moves through said staple cartridge during a staple firing stroke;
staple cavities defined in said deck and arranged in a plurality of longitudinal staple cavity rows, wherein said plurality of longitudinal staple cavity rows comprises a first longitudinal staple cavity row and a second longitudinal staple cavity row;
staple drivers; and
staples removably stored in said staple cavities, wherein said staples are configured to be ejected from said staple cavities during said staple firing stroke; and

an adjunct positioned intermediate said first jaw and said second jaw, wherein said adjunct comprises:
a tissue thickness compensator comprising a porous structure, wherein said porous structure comprises:
a plurality of first openings, wherein at least one of said first openings is aligned with said first longitudinal staple cavity row; and
a plurality of second openings that are larger than said plurality of first openings; and

an attachment layer, wherein said attachment layer adhesively attaches said adjunct to said deck of said staple cartridge, and wherein each staple is configured to capture a portion of said adjunct, capture a portion of the patient tissue, and apply a compressive force to the patient tissue during said staple firing stroke.