The patient has previously received a knee replacement. Revision involves reoperation on the artificial knee. This surgery is necessary if there are problems with the existing prosthesis. This could be due, for example, to too much play in the joint, a loosened part, improper placement, pain in the kneecap, wear and tear of parts or infection. This Divi explains what a revision entails and what the patient can expect from the treatment. The patient is informed through illustration, animation and text.