Patent ID: 7298814

Claim:
An x-ray computed tomography apparatus comprising: a gantry having a measurement device rotatable around a rotational axis; said measurement device comprising a first x-ray radiator, a second x-ray radiator, and a detector arrangement to detect x-rays emanating from said first x-ray radiator and said second x-ray radiator; and said detector arrangement comprising a first detector having a detector surface and a second detector having a detector surface, and a track, mounted at said measurement device, along which each of said first and second detectors is movable, said first and second detectors being movable along said track to a first measurement position wherein the detector surface of said first detector and the detector surface of said second detector are disposed adjacent to each other forming an overall detector surface aligned to a focus of one of said first and second x-ray radiators, and being movable to a second position wherein the first detector is disposed opposite said second x-ray radiator on said measurement device and wherein said second detector is disposed opposite said first x-ray radiator on said measurement device.