An integrated tool is provided, having a tissue-type sensor, for determining the tissue type at a near zone volume of a tissue surface, and a distance-measuring sensor, for determining the distance to an interface with another tissue type, for (i) confirming an existence of a clean margin of healthy...http://www.google.de/patents/US20060253107?utm_source=gb-gplus-sharePatent US20060253107 - Clean margin assessment tool
