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Implants: average weight of hip and knee prostheses

Discussion in '[library] About Joint Replacement Surgery' started by Josephine, Mar 17, 2008.

  1. Josephine

    Josephine NURSE DIRECTOR, BONESMART Administrator

    Member Since:
    Jun 8, 2007
    The North
    United Kingdom United Kingdom
    Well, you can always depend upon this forum to find out all sorts of tidbits of information like this!! I just dug out some old hip and knee prostheses and weighed them and found that, metal on metal or metal on plastic, they all weigh in at around 250-300gms (9-10½ ozs). The two I weighed were stainless steel and cobalt chrome. Titanium is a very much lighter material but I don't have a specimen in that so can't exactly say what it would weigh.

    And btw, this is generally about the same weight as the bone that's been removed!
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