Patent ID: 11918220
Assignee: CILAG GMBH INTERNATIONAL
Field: Medical technology (Instruments)
Classification: CPC A  Y | IPC A

Claim 0:
1. A staple cartridge for stapling the tissue of a patient, comprising:
a cartridge body, wherein staple cavities are defined in said cartridge body;
staples removably positioned in said staple cavities;
a firing member movable through a longitudinal progressive firing motion along a longitudinal axis; and
a biocompatible tissue thickness compensator releasably secured relative to said cartridge body, wherein said biocompatible tissue thickness compensator comprises:
a tissue-contacting layer comprising a first thickness;
a body layer comprising a second thickness, wherein said first thickness is different than said second thickness, wherein said first thickness defines an uneven thickness forming a plurality of body channels therein, and wherein at least one body channel is oriented transverse to said longitudinal axis; and
predefined apertures defined in said biocompatible tissue thickness compensator, wherein said predefined apertures extend entirely through said first thickness of said tissue-contacting layer, and wherein at least one predefined aperture is oriented to intersect and fluidically couple to at least one body channel.