US Patent 11944298 Surgical stapling device with replaceable reload assembly

A surgical stapling device includes an adapter assembly and a reload assembly. The adapter assembly includes an elongate body and a channel member coupled to the elongate body. The reload assembly includes an anvil and a cartridge assembly that includes a cartridge body and a channel extension. A proximal portion of the cartridge body is received within the channel member to secure the reload assembly to the adapter assembly. The channel extension is received about a distal portion of the cartridge body and is engaged with the channel member to support the cartridge body.