Apparatus and methods are provided for locating a target in a living body. Three cameras are supported at an elevated location such as on a wall or from a ceiling. The cameras are supplied as an integrated unit with a computer and are factory calibrated to said computer. A patient examining table is...http://www.google.de/patents/US5295483?utm_source=gb-gplus-sharePatent US5295483 - Locating target in human body
