Measuring ligament engagement during knee surgery
Official title: Intraoperative Sensor to Comprehensively Measure Ligament Engagement During Knee Arthroplasty
Funded at Tensense LLC · NIH-11069479 · Data updated 2026-11-12
This study is testing a new handheld device that helps surgeons measure how tight the ligaments are during knee replacement surgery, making it easier for them to balance everything and improve your recovery.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Tensense LLC NIH-funded |
| Lab location | 1 site (Oregon, United States) |
| Project start | June 15, 2025 |
| Project end | May 31, 2026 |
| Funding year | 2025 |
| Award (this year) | $308,927 |
| NIH project number | 1R41AG093459-01 |
| Project ID | NIH-11069479 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for this research are individuals scheduled to undergo total knee arthroplasty.
✕Less likely to help
Patients who are not candidates for knee replacement surgery or those with contraindications to the procedure may not benefit from this research.
What this research studies
This research focuses on developing a handheld device that measures ligament engagement during knee arthroplasty surgeries. By integrating a ligament tensiometer into a custom joint distractor, the device aims to provide real-time data on ligament tension, helping surgeons balance ligaments more effectively. The project will involve calibrating the device against established measurement standards to ensure accuracy. Ultimately, this innovation seeks to improve surgical outcomes for patients undergoing knee replacement procedures.
Why it matters
Potential benefit: If successful, this research could lead to more precise knee surgeries, resulting in better recovery and function for patients.
How similar studies have gone: While the approach of measuring ligament engagement is innovative, similar technologies have shown promise in improving surgical precision in other orthopedic procedures.
Where this research is happening
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Tensense LLC
Oregon, United States Active
Researchers
- Principal investigator: Arant, Lesley — Tensense LLC
- Study coordinator: Arant, Lesley
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.