STAPLE CARTRIDGE ASSEMBLY, HYBRID ADJUNCT MATERIAL FOR USE WITH SURGICAL STAPLER AND METHOD OF STAPLING TISSUE Russian patent published in 2019 - IPC A61B17/72 

FIELD: medicine.

SUBSTANCE: group of inventions relates to medical equipment, specifically to surgical instruments and, in particular, to methods, devices and their components for cutting and stapling tissue. Staple cartridge assembly for use with a surgical stapler, wherein the cartridge assembly comprises a cartridge body having staple cavities configured to seat staples therein, and a hybrid adjunct material connected to the cartridge body. Hybrid adjunct material consists of a biological tissue membrane; and a synthetic layer consisting of a mesh structure with one or more holes formed therein, connected to the membrane in such a way that the synthetic layer is adapted to ensure the structural integrity of the membrane to ensure the connection of the membrane with the cartridge body. Membrane and synthetic layer are adapted to be attached to tissue using staples in the cartridge. Hybrid adjunct material for use with a surgical stapler consists of a biological layer and a synthetic layer. Synthetic layer consists of a mesh structure with one or more holes formed therein, with opposite first and second surfaces. First surface mates with the biological layer, and the second surface is configured to mate with a surgical stapler. At least one of the biological layer and the synthetic layer is configured to form a seal around the legs of the staple. Hybrid adjunct material is adapted to be coupled to the cartridge body. Method of stapling tissue, according to which a hybrid adjunct material, consisting of a biological layer and a synthetic layer consisting of a mesh structure with one or more holes formed therein, is connected at least to one of the cartridge assembly and the anvil of the end effector; tissue between the cartridge assembly and the anvil is engaged; and the end effector is actuated to push the staples out of the cartridge assembly into the tissue, wherein the staples pass through the biological and synthetic layers to maintain the biological and synthetic layers in the surgical field.

EFFECT: use of inventions allows for improved healing and growth of tissues in the surgical field.

20 cl, 26 dwg