Corrosion‑resistant 3D‑printed materials for longer‑lasting hip implants
Bio-tribo-corrosion resistant 3D Printed Composites for Load-bearing Implants
New 3D‑printed implant materials that aim to cut metal wear and metal ion release for people who have or need hip replacements.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Washington State University NIH-funded |
| Lab location | 1 site (Pullman, United States) |
| Project ID | NIH-11259438 on NIH RePORTER |
What this research studies
Researchers at Washington State University are designing 3D‑printed metal composites that include calcium phosphate to make hip implant parts self‑lubricating and self‑healing. They will develop versions for cobalt‑chrome and titanium alloys so the materials reduce cobalt and chromium ion release or eliminate it for titanium options. Lab tests will simulate the mechanical rubbing and corrosion that occur at modular tapers and the team will study biological reactions in tissue and animal models before any human use. The work focuses on preventing immune reactions and bone damage that can cause implants to fail and require early revision surgery.
Who could benefit from this research
Good fit: People who have or will receive total hip replacements—especially those with modular head–stem tapers or concerns about metal ion exposure—would be the main beneficiaries.
Not a fit: People without metal hip implants, those with non‑modular implant designs, or patients whose current implants are functioning well and show no corrosion are unlikely to benefit directly.
Why it matters
Potential benefit: If successful, these materials could lower toxic metal exposure, reduce painful local tissue reactions, and extend the life of hip implants so fewer patients need revision surgery.
How similar studies have performed: Surface coatings and alternative alloys have shown lab‑level reductions in wear before, but self‑lubricating, self‑healing calcium phosphate‑reinforced 3D‑printed composites are a newer approach that has not yet been proven in patients.
Where this research is happening
Pullman, United States
- Washington State University — Pullman, United States (Active)
Researchers
- Principal investigator: Bandyopadhyay, Amit — Washington State University
- Study coordinator: Bandyopadhyay, Amit
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.