US 12,496,067 B2
Implantable adjunct with density gradients
Frederick E. Shelton, IV, Hillsboro, OH (US); Michael J. Vendely, Lebanon, OH (US); Emily A. Schellin, Cincinnati, OH (US); Taylor W. Aronhalt, Loveland, OH (US); Trevor J. Barton, Cincinnati, OH (US); Lauren S. Weaner, West Chester, OH (US); and Mark H. Ransick, West Chester, OH (US)
Assigned to CILAG GMBH INTERNATIONAL, Zug (CH)
Filed by Cilag GmbH International, Zug (CH)
Filed on Jun. 2, 2023, as Appl. No. 18/205,277.
Application 18/205,277 is a continuation of application No. 14/871,131, filed on Sep. 30, 2015, granted, now 11,690,623.
Prior Publication US 2023/0380835 A1, Nov. 30, 2023
Int. Cl. A61B 17/10 (2006.01); A61B 17/00 (2006.01); A61B 17/064 (2006.01); A61B 17/068 (2006.01); A61B 17/072 (2006.01); A61B 17/08 (2006.01); A61B 17/32 (2006.01); A61L 17/10 (2006.01); A61L 17/12 (2006.01); B05D 1/00 (2006.01); B05D 1/30 (2006.01); B29C 48/16 (2019.01); B32B 3/02 (2006.01); B32B 3/08 (2006.01); B32B 3/20 (2006.01); B32B 3/26 (2006.01); B32B 5/02 (2006.01); B32B 5/10 (2006.01); B32B 5/12 (2006.01); B32B 5/18 (2006.01); B32B 5/24 (2006.01); B32B 5/26 (2006.01); B32B 7/05 (2019.01); D01D 5/00 (2006.01); D01D 5/18 (2006.01); D04H 1/56 (2006.01); B29C 44/34 (2006.01); B29C 48/00 (2019.01); B29C 48/05 (2019.01); B29L 31/00 (2006.01)
CPC A61B 17/105 (2013.01) [A61B 17/00491 (2013.01); A61B 17/0644 (2013.01); A61B 17/068 (2013.01); A61B 17/072 (2013.01); A61B 17/07207 (2013.01); A61B 17/07292 (2013.01); A61B 17/08 (2013.01); A61B 17/32 (2013.01); A61L 17/105 (2013.01); A61L 17/12 (2013.01); B05D 1/007 (2013.01); B05D 1/30 (2013.01); B29C 48/16 (2019.02); B32B 3/02 (2013.01); B32B 3/08 (2013.01); B32B 3/20 (2013.01); B32B 3/266 (2013.01); B32B 5/024 (2013.01); B32B 5/026 (2013.01); B32B 5/10 (2013.01); B32B 5/12 (2013.01); B32B 5/18 (2013.01); B32B 5/245 (2013.01); B32B 5/26 (2013.01); B32B 7/05 (2019.01); D01D 5/0023 (2013.01); D01D 5/18 (2013.01); D04H 1/565 (2013.01); A61B 2017/00004 (2013.01); A61B 2017/00477 (2013.01); A61B 2017/00526 (2013.01); A61B 2017/00831 (2013.01); A61B 2017/00862 (2013.01); A61B 2017/00893 (2013.01); A61B 2017/00955 (2013.01); A61B 2017/00964 (2013.01); A61B 2017/07214 (2013.01); A61B 2017/07221 (2013.01); A61B 2017/07228 (2013.01); A61B 2017/07235 (2013.01); A61B 2017/07242 (2013.01); A61B 2017/0725 (2013.01); A61B 2017/07257 (2013.01); A61B 2017/07271 (2013.01); A61B 2017/07278 (2013.01); A61B 2017/07285 (2013.01); A61L 2420/02 (2013.01); B29C 44/3453 (2013.01); B29C 44/358 (2013.01); B29C 48/0012 (2019.02); B29C 48/0022 (2019.02); B29C 48/05 (2019.02); B29L 2031/753 (2013.01); B29L 2031/7546 (2013.01); B32B 2250/03 (2013.01); B32B 2250/40 (2013.01); B32B 2307/50 (2013.01); B32B 2307/54 (2013.01); B32B 2307/72 (2013.01); B32B 2307/732 (2013.01); B32B 2307/736 (2013.01); B32B 2535/00 (2013.01); D10B 2331/041 (2013.01); D10B 2509/00 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An implantable adjunct for use with a surgical instrument, the implantable adjunct comprising:
a longitudinal knife slot along a longitudinal axis of the implantable adjunct;
a first mesh positioned about a first side of the longitudinal knife slot; and
a second mesh positioned about a second side of the longitudinal knife slot,
wherein the first mesh and the second mesh comprise a plurality of first fibers that form a three-dimensional structure and comprise a first material;
wherein the first mesh and the second mesh define a gap substantially aligned with a longitudinal knife slot of a staple cartridge body, and
wherein the first and second meshes comprise:
a medial portion proximal to the longitudinal knife slot and a lateral portion proximal to a lateral side of the respective mesh, and the medial portion comprises a higher density of first fibers relative to the density of first fibers in the lateral portion.