Biosishealing
https://www.biosissurgical.com/products/disposable-endoscopic-linear-cutter-stapler.html
The disposable endoscopic linear cutter stapler and its components consist of the main body and components, where the main body is composed of the firing rod assembly, inner barrel core assembly, outer barrel shell assembly, rotating assembly, safety button assembly, left and right shell assembly, advancing mechanism, trigger assembly, and left and right reset cap assembly.