US Patent 11172969 Fusion device

A fusion device assembly for fusion of a joint, including a fusion device, including a distal end, a proximal end, a radially outward facing surface including threading, a bore extending from the proximal end, at least one flute arranged proximate the distal end, and at least one aperture arranged adjacent to the at least one flute, and a reversibly connected hollow drive shaft for insertion of said device which, in a some embodiments, is hollow to allow addition of supplementary bone graft materials or products, should this be desired, without altering the position of the deployed device.