A shield for use with a radiation detecting probe to effect the detection, localization, imaging or mapping of radiation in a first portion of the body of a living being by use of a hand held, radiation detecting probe. The probe has a conical field of view. The shield comprises a sheet formed of a radiation...http://www.google.de/patents/US5148040?utm_source=gb-gplus-sharePatent US5148040 - Radiation blocking device and method of use with radiation detecting probe
