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An electrical bone growth stimulator is a medical device that delivers electrical or electromagnetic stimulation to a bone-healing site. It may be external, implanted, or semi-invasive depending on the system. The stimulation is intended to support bone formation as an adjunct to standard fracture or fusion treatment. It is used only when prescribed for selected bone-healing problems.
read more about electrical bone growth stimulator ...An electrical bone growth stimulator may be used for delayed union, nonunion fractures, congenital pseudarthrosis, failed fusion, or as an adjunct to certain spinal fusion procedures. It is not used for every fracture because many bones heal with standard care alone. The clinician considers fracture location, healing progress, surgery history, smoking, circulation, infection risk, and patient adherence before prescribing one. It works alongside immobilization, surgery, nutrition, and follow-up care when those are needed.
The device delivers low-level electrical, capacitive, or pulsed electromagnetic signals near the bone. These signals are intended to influence cellular activity involved in bone repair. External devices may be worn over the skin near the fracture or fusion site for a prescribed amount of time each day. Implanted systems place electrodes closer to the healing area during surgery.
Common types include pulsed electromagnetic field devices, capacitive coupling devices, combined magnetic field devices, and direct-current implanted stimulators. External devices are worn outside the body and may use coils, pads, or electrodes. Implanted devices are placed surgically and may be used in selected fusion or nonunion cases. The type chosen depends on diagnosis, anatomy, device indication, and clinician preference.
Possible issues include skin irritation, discomfort, poor adherence, device malfunction, battery problems, or interaction concerns with implanted electronic devices. Some patients may not be candidates because of pregnancy, pacemakers, infection, tumor at the site, or other factors depending on the device labeling. Patients should use the device for the prescribed schedule and attend imaging follow-up to check healing. Increasing pain, swelling, fever, wound drainage, numbness, or device-related symptoms should be reported promptly.
No. It is usually reserved for selected delayed unions, nonunions, or fusion support, not routine uncomplicated fractures.
Most external devices are not painful, though skin irritation or mild discomfort can occur. Implanted systems involve surgical placement.
The schedule depends on the device and prescription. Some devices are worn for minutes, while others are worn for several hours daily.
Only with clinician approval. Some stimulators may interfere with implanted electronic devices, so device labeling and specialist guidance are needed.
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Electrical Stimulation for Fracture Healing (CAG-00043N). Centers for Medicare & Medicaid Services. https://www.cms.gov/medicare-coverage-database/view/ncacal-decision-memo.aspx?ncaid=24&proposed=N. Date Accessed June 18, 2026.
Orthopaedic and Rehabilitation Devices Panel Sept. 8-9, 2020: Bone Growth Stimulators Executive Summary. U.S. Food and Drug Administration. https://www.fda.gov/media/141850/download. Date Accessed June 18, 2026.
Electrical Stimulation in Bone Healing: Critical Analysis. Indian Journal of Orthopaedics (PMC). https://pmc.ncbi.nlm.nih.gov/articles/PMC3145421/. Date Accessed June 18, 2026.
Bone Growth Stimulators. Aetna Medical Clinical Policy Bulletins. https://www.aetna.com/cpb/medical/data/300_399/0343.html. Date Accessed June 18, 2026.