Patent attributes
Compressible adjuncts for use with a surgical cartridge are provided. In one exemplary embodiment, a compressible adjunct includes a biocompatible adjunct material that is configured to be releasably retained on a staple cartridge and that is configured to be delivered to tissue by deployment of staples in the cartridge. The adjunct material includes a hollow lattice macrostructure having at least one drug contained therein. The hollow lattice macrostructure is formed of a plurality of unit cells having at least one absorbable sub-structure that is formed in the plurality of unit cells. The at least one absorbable sub-structure is configured to control a rate of fluid movement through the respective unit cell so as to control the release of the at least one drug from the adjunct material when the adjunct material is in a tissue deployed state. Stapling assemblies for use with a surgical stapler are also provided.
