Ultrasonic technology enables earlier stress-fracture detection
Tibial stress fractures are among the most common overuse injuries affecting military personnel, but they can be difficult to identify in their earliest stages. Small stresses in the bone may develop before an injury becomes apparent through conventional diagnostic tools, creating a window of opportunity for earlier detection to enable intervention.
Tibial stress fractures, common among military personnel, are hard to detect early using traditional diagnostic methods. Researchers at Johns Hopkins Applied Physics Laboratory are working on Osteo Surface Echo Evaluation (OsteoSEE), an ultrasound-based method that could change this. OsteoSEE uses surface acoustic waves to spot microstructural changes and early-stage fractures in the dense outer layer of bones.
This approach avoids ionizing radiation and provides a noninvasive way to identify issues before they become fully developed and disabling. The technology was recognized as a 2026 R&D 100 Award winner for its innovative approach. One of the key advantages of OsteoSEE is its ability to detect fractures as small as 0.5 millimeters, thinner than a credit card, making it more sensitive than conventional X-ray imaging.
The researchers have validated the technique using micro-CT imaging, confirming the accuracy of its early fracture detection. OsteoSEE's development draws on APL's expertise in military injury biomechanics, advanced acoustics, and signal processing. The team also sees potential for integrating OsteoSEE with low-intensity pulsed ultrasound (LIPUS) for bone healing, and the technology could benefit sports medicine and pediatric care, providing a safer alternative for bone injury assessment.
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