The medical imaging system has first and second gamma camera heads. Each head has a front facing an examination field. The heads are articulatable between a first plurality of relevant orientations in which a first edge of the first head is aligned with the first edge of the second head in a parallel...http://www.google.co.uk/patents/US6055450?utm_source=gb-gplus-sharePatent US6055450 - Bifurcated gamma camera system