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What are they?

The main job of an implant is to provide an articulating surface. They are designed to work with the natural tissue and designers attempt to reproduce a motion that feels normal to the patient. More innovative designs may provide patients with a more normal freedom of movement without any compromise to its stability.

What are they made of?

Implants are usually two or three components which work together to make an implant. The components are made of implantable grade metal alloys, ceramics or high density polyethylene.

An example – When a knee joint is severely damaged and replaced a patient can expect to find a polyethylene insert mounted to a stem on the tibia. This provides the joint with an articulating surface, to allow the knee to move naturally.

The materials used to make up a device have been tried and tested, which have been proven to work well in the human body.


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