Steerable ultrasound attachment for endoscope

A method of providing and processing an ultrasound capable endoscope assembly that uses an endoscope having a proximal and a distal end, and that has been used previously. The endoscope is cleansed to a level appropriate for re-use within a human body. The method also uses an unused ultrasound assembly, sealed in antiseptic packaging, and which includes a multiple signal pathway connector; an ultrasound transducer head including an ultrasound transducer; and a set of signal pathways, extending from the ultrasound transducer to the multiconductor electrical connector. In the method, the ultrasound assembly is to the endoscope, so that the set of signal pathways extends along the elongate body of the endoscope and the ultrasound transducer head is attached at the distal end. After use, the ultrasound assembly is detached from the endoscope and permanently disposed.