Joint Preservation Blog

January 8, 2009

Bone Stimulators

As a doctor, patients with a fracture that won’t heal can be in quite a pickle. There are many bone stimulators on the market including the Exogen, the Symphony bone growth stimulator, and the mbi bone growth stimulator. How does a bone stimulator work ? There are two main types, ultrasound based and an electrical bone stimulator. The ultrasound type works by emitting a pulsed low intensity ultrasound signal (PLIUS). This has been shown to stimulate mesenchymal stem cells which turn into osteoblasts which are cells that make new bone. An electrical bone growth stimulator works in much the same way. It’s usually worth using one of these units for 6-12 weeks. What if using a bone stimulator doesn’t work? Bone grafting is one option, but a big surgery. Is there another way? Yes, newer stem cell based injection methods can avoid the surgery and use your own stem cells to heal the fracture. I’ve posted two videos below on the subject:

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