It is a fascinating ultrasound method in with a high diagnostic and therapeutic impact...
Its development came up in the 1980ies with stiff rectal probes. The possibility to produce miniaturized ultrasound transducers with a longitudinal or a radial array of ultrasound elements provides the application to flexible endoscopes...
Thus a virtual ultrasound transducer with a longitudinal array is positioned into the gastrointestinal tract of VOXEL-MAN and simulates the anatomical sections in steps of 1°.