Ryan J. Halter

This study tests a custom electrical impedance probe that measures tissue properties during prostate removal surgery. The goal is to see if it can instantly detect any cancer left behind, helping surgeons remove it all in one go. Two hundred men with prostate cancer will take par…

This study tests a new plastic mouth retractor designed to hold the mouth open during throat surgery, comparing it to the standard metal retractor. The goal is to see if the plastic version works just as well while allowing better CT imaging. About 20 adults with oral or throat c…