Bone Stimulators for Fracture Healing: LIPUS Technology and Benefits
Low-Intensity Pulsed Ultrasound (LIPUS) bone stimulators deliver 1.5 MHz, 200 µs bursts at 1 kHz to the fracture site via skin-coupled transducer.
Evidence-Based Benefits
- Accelerates healing in fresh fractures (~30–38% faster union).
- Increases union rate in nonunions (especially tibia).
- Reduces pain via endorphin modulation.
- Non-invasive, outpatient, minimal side effects (skin irritation).
Indications
- Delayed union/nonunion
- High-risk fractures (open, comminuted, vascular compromise)
- Patient factors: smoking, diabetes, steroids, osteoporosis
Used adjunctively with fixation; not a substitute for surgical stabilization when indicated.
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