BSIP VEM / SCIENCE PHOTO LIBRARY BSIP VEM / SCIENCE PHOTO LIBRARY
Prosthetic hip. Artwork of a prosthetic (artificial) hip joint in place. The pelvis is seen at upper right. The prosthesis (orange) is at lower left. A prosthetic hip joint is used to replace a hip joint damaged as a result of arthritis or a fracture. During a hip replacement operation the ball at the end of the thigh bone is cut off and a metal ball cemented in its place (orange). This then articulates with the pelvis in the same way as the original joint. A hip replacement can dramatically improve hip joint mobility but the artificial components can loosen with time.
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