US Patent 10413294 Shaft assembly arrangements for surgical instruments

Shaft assembly arrangements for surgical instruments are disclosed. A surgical instrument assembly can comprise a proximal shaft assembly comprising a distal coupling portion. The surgical instrument assembly can also comprise a distal shaft assembly comprising a proximal coupling portion configured to be releasably coupled to the distal coupling portion. The distal shaft assembly can also include an articulation joint and an end effector configured to articulate about the articulation joint.