DESCRIPTION CONTINUED: The Defence Technologies for Healthcare  project has taken MELODI from a theoretical concept to a working demonstrator that can operate either as a stand-alone sensor or integrated with ultrasound as described above. Plans are in progress to exploit this technology as a low cost product and make it available to the healthcare market.  The main benefit of this work to the NHS is that it has underpinned the research and development of a novel medical device that will reduce the utilisation of X-rays and considerably speed up the process of finding and removing metal foreign bodies. This will save time and money as well as improve patient care.