US 11,839,374 B2
Compressible adjuncts with drug release features
Frederick E. Shelton, IV, Hillsboro, OH (US); Jason L. Harris, Lebanon, OH (US); and Michael J. Vendely, Lebanon, OH (US)
Assigned to Cilag GmbH International, Zug (CH)
Filed by Cilag GmbH International, Zug (CH)
Filed on Mar. 30, 2021, as Appl. No. 17/216,978.
Prior Publication US 2022/0313246 A1, Oct. 6, 2022
Int. Cl. A61B 17/072 (2006.01); A61B 17/068 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/0686 (2013.01) [A61B 17/072 (2013.01); A61B 17/07292 (2013.01); A61B 2017/00004 (2013.01); A61B 2017/00893 (2013.01); A61B 2017/07271 (2013.01)] 17 Claims
OG exemplary drawing
 
8. A compressible adjunct for use with a surgical cartridge, the compressible adjunct comprising:
a biocompatible adjunct material configured to be releasably retained on at least one of a staple cartridge and an anvil and configured to be delivered to tissue by deployment of staples in the cartridge, the adjunct material comprising a lattice main structure having at least one drug therein, the lattice main structure being formed of a plurality of hollow unit cells, each hollow unit cell being configured to pump fluid through the adjunct material to at least one of direct drug movement through the adjunct material and control the location of drug elution from the adjunct material when the adjunct material is in a tissue deployed state;
wherein the lattice main structure includes at least one absorbable sub-structure, the at least one absorbable sub-structure having at least one movable valve that is configured to control drug movement therethrough.