How to use the Pure CTDI Phantom for dose index measurements

How to use the PURE CTDI Phantom for Fluoroscopy QA manufactured by Pure Imaging Phantoms: https://www.pureimagingphantoms.com/produc... The phantom allows for measurement of the Dose Index (DI) of the CT imaging system. The phantom consists of 2 large PMMA cylinders representing the head and body. An additional phantom with a Paediatric head which nests into the adult head is also available. With thanks to Professor Helen Adamson and Professor Gareth Iball.