A number of doctors at St Mary 's hospital in ##firmary have used high - intensity sound waves to destroy the malfunctioning tissue in a patient 's brain , significantly reducing symptoms of essential tremor . The non - invasive , five - stage procedure has been called " game - changing " and is being used as part of an international trial to assess its safety and effectiveness . The team at St Mary 's hope to use the procedure , which costs around £ 12,500 ( $ 15,764 ) compared with £ 35,000 for brain surgery , for other motor disorders including Parkinson 's .
A team of doctors at St Mary's Hospital in London have used high-intensity sound waves to destroy the malfunctioning tissue in a patient's brain, significantly reducing symptoms of essential tremor. The non-invasive, five-hour procedure has been called "game-changing" and is being used as part of an international trial to assess its safety and effectiveness. The team at St Mary's hope to use the procedure, which costs around £12,500 ($15,764) compared with £35,000 for brain surgery, for other motor disorders including Parkinson's.