title: What's New In Hip Surgery?
abstract: The problems of late loosening of conventional total hip replacements in young people with one joint disease have spurred the development of alternative designs of hip replacement. Two such developments have reached the stage of clinical application.In the double cup arthroplasty, only the damaged joint surfaces are replaced. This makes revision surgery, if required, very much simpler. In porous metal hip replacement, the stems of the prosthesis are porous coated to allow bone ingrowth which locks the implant firmly in place. This dispenses with the use of polymethylmethacrylate, which is the weakest part of the conventional total hip replacement system.
authors.forename: H U
authors.initials: HU
authors.lastname: Cameron