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A member asked:
What kind of attachments are used in knee replacement? how are knee implants attached in knee replacement? are screws used, or rods, or something different?
4 doctors weighed in across 2 answers
The : The majority of implants are attached using bone cement. This is the common term for polymethylmethacrylate (pmma), which is a plastic also used in plexiglass or lucite. At the time of implantation, the surgeon mixes a small amount of liquid with a powdered form of pmma. This becomes a doughy paste which hardens within 12 minutes to form a solid bond between the metal of the implant and the underlying bone.
Answered 10/3/2016
5.3k views
Tka fixation: Cement is the gold standard today. However, there are uncemented knee replacements today as well.
Answered 2/19/2013
5.3k views
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