Arthroplasty

Aims to relieve pain and retain or restore movement

Types

1. Excision arthroplasty

Sufficient bone is excised to create a gap which allows movement (eg Girdlestone)

2. Partial Replacement

One surface only is replaced

3. Total Joint Replacement

Convex component usually metal bears on a concave component which is usually polyethylene

See chapters of parts of the body re various TJRs