metal-on-metal hip

metal on metal implant

ORTHOPAEDICS

A prosthetic hip in which both articular surfaces are composed of metal, without intervening non-metallic material.

The theoretical advantage of MoM implants was durability and stability. However, like metal-polyethylene prostheses, bits of the implant are shed into the surrounding tissue and bloodstream, evoking pain or swelling around the hip, osteolysis, and very rarely, systemic symptoms. 

*All of which has triggered the interest of personal injury attorneys. 

Synonyms Metal hip implant, MoM implant

Reference http://orthoinfo.aaos.org/topic.cfm?topic=A00625