In orthopedic implants, there are three lubrication regimes: boundary layer, hydrodynamic and elastohydrodynamic. Out of these three. boundary layer lubrication leads to the most wear of the implants. Therefore, to reduce wear and increase the lifetime of the implants, it is important to find better methods of boundary layer lubrication.
TechnologyThis technology relates to lubrication of metallic surfaces for orthopedic implants using nanotexturing via etching with NaOH. By nanotexturing, the normally hydrophilic surfaces of components in relative motion can be made super-hydrophilic and can encapsulate fluid by capillary action. At this length scale, the capillary forces dominate and can be used to ensure that a layer of fluid is always present on the surface of the material. In this way, the material becomes "self-lubricating." Application of this coating to orthopedic implants can reduce component wear.
- Reduced component wear in both the metal coated component and the adjacent parts
- Increased prosthesis lifetimes
Improved patient outcomes