Brandon Research Hip Implant CRADA
- AlliedSignal Inc. Federal Manufacturing & Technologies (FM&T), Kansas City, MO (United States)
There are approximately one million hip, knee, and shoulder implants per year worldwide, half in the US. Unfortunately, the typical lifetime of these implants is only ten years. This project was established because significant improvements are needed in implant design to extend their useful lifetime. Some of the current issues in joint arthroplasty include the efficacy of coatings, wear, fatigue, induced pain and bone resorption. Implant-induced bone resorption and implant wear are the two primary concerns in orthopedic surgery today. This project chose to deal with bone resorption. In bone resorption, the bone actually remodels its internal structure in adapting to changes in the bone strain state caused by the implant, slowly causing bone to disappear. The goal of the project is to improve the understanding of implant-bone interaction from a strain distribution standpoint to improve implant design. Strain is a measure of the deformation of a structure under a load, normalized to a dimensionless variable for consistency and ease of comparison.
- Research Organization:
- Kansas City Plant, Kansas City, MO (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC04-76DP00613
- OSTI ID:
- 6693
- Report Number(s):
- KCP--613-6162; CRADA-KCP--94-1003
- Country of Publication:
- United States
- Language:
- English
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