STAPLE CARTRIDGE ASSEMBLY FOR SURGICAL INSTRUMENT AND SURGICAL INSTRUMENT

The present disclosure provides a staple cartridge assembly for a surgical instrument and a surgical instrument. The surgical instrument comprises an end actuator. The end actuator comprises a staple cartridge base and a staple abutting base rotatably connected to the staple cartridge base. The staple cartridge assembly comprises a staple cartridge body and a plurality of staples. The staple cartridge body is provided with a plurality of staple cavities, and the plurality of staples are arranged in the staple cavities. The staples are configured to be, when being fired, pushed out of the staple cavities in the Z-axis direction and move towards the staple abutting base. The staple abutting base is configured to abut against the staples to enable formation of the staples. The staples comprise a staple crown, a first staple leg, and a second staple leg. The staple crown is configured to take an arc shape, and the projection of the staple crown in the Z-axis direction is a first arc. The staples are configured in