A surgical imaging system includes spaced-apart first and second x-ray sources mounted above a patient support surface. An x-ray detector mounted below the patient support surface generates first x-ray images based upon x-rays from the first x-ray source and second x-ray images based upon x-rays from...http://www.google.com.au/patents/US7209538?utm_source=gb-gplus-sharePatent US7209538 - Intraoperative stereo imaging system
