Cyborgs can grow their own knees

Woman has first 'grow your own' knee transplant | News | This is London: "A woman with a damaged knee has become the first Briton to have a revolutionary 'grow your own' cartilage transplant that offers hope for thousands for injured sports enthusiasts.

The treatment uses a 3D implant grown with the patient's own healthy cells which is glued into the damaged knee cartilage."