An instrument for holding and aligning an x-ray sensing device is described. The instrument includes a ring guide having a sight for aligning the cone of an x-ray device with an x-ray sensing device and arm having a first end slidably engaging an adjustment cavity formed in the sight. The adjustment...http://www.google.es/patents/US7425095?utm_source=gb-gplus-sharePatente US7425095 - Instrument for holding and aligning an x-ray sensing device
Instrument for holding and aligning an x-ray sensing device
