A sterile package comprising: (a) a staple device comprising: (i) a single staple, wherein the staple is a bone staple operable for moving between a parallel shape and a non-parallel shape; (ii) a cartridge (90, 100), wherein the cartridge has a channel (92, 102) in which the staple is retained in the cartridge in the parallel shape under strain, the strain of the staple retained in the cartridge is operable for storing mechanical energy in the staple, the cartridge has an opening through which the staple can be extruded from the cartridge; (b) an extrusion instrument (110, 120) that is configured to be coupled to the cartridge, wherein (i) the extrusion instrument is operable for extruding the staple from the cartridge through the opening, (ii) the staple is operable for spontaneously moving from the parallel shape towards to the non-parallel shape when released from the cartridge, and (iii) the spontaneous moving of the staple is operable to release at least some of the mechanical energy stored in the staple; (c) a drill bit; and (d) a drill guide; wherein the staple, cartridge, extrusion instrument, drill bit and drill guide are sterile. (a) a staple device comprising: (i) a single staple, wherein the staple is a bone staple operable for moving between a parallel shape and a non-parallel shape; (ii) a cartridge (90, 100), wherein the cartridge has a channel (92, 102) in which the staple is retained in the cartridge in the parallel shape under strain, the strain of the staple retained in the cartridge is operable for storing mechanical energy in the staple, the cartridge has an opening through which the staple can be extruded from the cartridge; (i) a single staple, wherein the staple is a bone staple operable for moving between a parallel shape and a non-parallel shape; (ii) a cartridge (90, 100), wherein the cartridge has a channel (92, 102) in which the staple is retained in the cartridge in the parallel shape under strain, the strain of the staple retained in the cartridge is operable for storing mechanical energy in the staple, the cartridge has an opening through which the staple can be extruded from the cartridge; the cartridge has a channel (92, 102) in which the staple is retained in the cartridge in the parallel shape under strain, the strain of the staple retained in the cartridge is operable for storing mechanical energy in the staple, the cartridge has an opening through which the staple can be extruded from the cartridge; (b) an extrusion instrument (110, 120) that is configured to be coupled to the cartridge, wherein (i) the extrusion instrument is operable for extruding the staple from the cartridge through the opening, (ii) the staple is operable for spontaneously moving from the parallel shape towards to the non-parallel shape when released from the cartridge, and (iii) the spontaneous moving of the staple is operable to release at least some of the mechanical energy stored in the staple; (i) the extrusion instrument is operable for extruding the staple from the cartridge through the opening, (ii) the staple is operable for spontaneously moving from the parallel shape towards to the non-parallel shape when released from the cartridge, and (iii) the spontaneous moving of the staple is operable to release at least some of the mechanical energy stored in the staple; (c) a drill bit; and (d) a drill guide;