Australia's 2007 MotoGP world champion Casey Stoner has been discharged from the Modena hospital in Italy where he had successful surgery on a wrist injury.

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Stoner, who was runner-up to Valentino Rossi in the 2008 championship, has suffered with a persistent wrist injury for much of the season but decided to ride on and take part in the post season testing in Valencia before undergoing surgery.

Using arthroscopic surgery, two floating bodies were removed from the area of the styloid process of the ulna bone (lower arm).

Stoner was treated for pseudoarthrosis on his left scaphoid before the removal of a staple (which was inserted in Stoner's scaphoid during an operation in 2003), and a bone graft using the Herbert Bone Screw System, which is designed to promote early active motion.

The Australian was discharged on Friday afternoon and will begin his rehabilitation over the next few days on his return home to Switzerland.