The Gamma Knife technology was originally developed in the 1960s. However, the accurate imaging equipment needed to make the equipment practical to use has only recently been made available. The Cromwell, which is a private hospital, will become only the third unit in the world to act as training centre for the use of the new technology. Under a special deal, the hospital will take NHS referrals from across the country at discount rates. It also avoids the damage that is inevitably done by neurosurgery.
People take a long time to recover after brain surgery.
They may spend some time in intensive care, and then need a wheelchair. After this procedure they can get up and walk away.