The metal components used in Total Knee Arthroplasty (TKA), also known as knee replacement surgery, are typically titanium- or cobalt-chromium-based alloys. In some cases, implants are made of ceramic/metal mixtures such as oxidized zirconium.
Here's a breakdown of the materials used:
- Titanium Alloys: These alloys offer good biocompatibility and strength.
- Cobalt-Chromium Alloys: Known for their high wear resistance and durability.
- Ceramic/Metal Mixtures: Such as oxidized zirconium, offer a combination of wear resistance and biocompatibility.
The plastic parts of the implant are usually made of medical-grade polyethylene.
