We usually think of ultrasound as a non-invasive technology used for imaging. MR-guided focused ultrasound is a new incisionless technology used for therapeutic purposes. Focused ultrasound allows us to perform safe, and effective, incisionless therapy with little to no harm to the surrounding brain and with minimal side effects.
Ultrasound has the capability to pass through skin, muscle, fat and bone without the need for incisions, electrodes or inserted probes. Ultrasound energy is non-ionizing, meaning you are not being exposed to radiation during the procedure.
With this procedure, ultrasound energy is focused on an extremely small spot where tremor cells are located. The focused ultrasound leads to precise destruction of tremor cells, thereby eliminating your tremors.
The whole procedure is conducted while you are awake inside an MRI imaging scanner in order for the physician to plan, guide and target the tremor area easily. To ensure patient safety, focused ultrasound uses an MRI thermal imaging system that measures temperature changes within the brain and the skull.