How are custom knee replacements made?

Carlos M. Alvarado, MD
Orthopedic Surgery
For custom knee replacements, a custom knee prosthesis is made. To produce a custom knee prosthesis, a computed tomography (CT) scan of the person's knee anatomy is sent to the manufacturer, where a 3D printer creates a metal implant of the knee designed with the person's exact measurements and shape. Instead of using knee implants off the shelf and chipping away at them to make them fit into people, surgeons receive custom knee implants from the manufacturer ready to fit into their specific person.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.