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You have been given an artificial replacement for your ankle joint.

At their lower ends the tibia and fibula form the malleolus bones in the ankle. At the top of the ankle the lower ends of the tibia and fibula are connected to a bone at the back of the foot.

The lower end of the tibia has a flat part. In the upper ankle this flat part transfers the main weight of the body to the bone at the back of the foot. The bone at the back of the foot is called the talus. When you move your upper ankle, the lower ends of the tibia and fibula slide over the talus. For this reason the joint’s surfaces are coated with cartilage.

When a joint is badly worn or injured, it may be painful or less mobile. It is then possible to get an artificial joint replacement. This can involve replacing only certain parts of the joint or the entire joint. The joint replacement is anchored in the bone. Metal can be used to replace the joint surfaces.