have a look here: http://www.bme.cornell.edu/bme/cms/people/grad/upload/Lewis-et-al-Development-of-a-portable-therapeutic-AIP-Nov-2008.pdf http://www.bme.corne

have a look here: http://www.bme.cornell.edu/bme/cms/people/grad/upload/Lewis-et-al-Development-of-a-portable-therapeutic-AIP-Nov-2008.pdf http://www.bme.cornell.edu/bme/cms/people/grad/upload/Lewis-... I work in an ultrasound imaging research lab (at wash u, but at the med school, not engineering). Hit me up jordan52 at gmail if you get serious. I've wanted to do this for a while, too.