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

Claim 9:
10. A stapling system for stapling the tissue of a patient, said stapling system comprising:
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;
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, comprising:
a tissue thickness compensator, comprising:
a plurality of first porous openings; and
a plurality of second porous openings that are larger than said plurality of first porous openings; and

an attachment layer, wherein said attachment layer adhesively attaches said adjunct to said deck of said staple cartridge, 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, and wherein said first porous openings and said second porous openings are configured to be collapsed during said staple firing stroke, and

wherein said deck comprises a plurality of projections extending above said deck adjacent to said staple cavities, and wherein said plurality of projections extend into said adjunct.