Ryan J. Halter

This study tests a custom device that uses electrical signals to detect if any prostate cancer tissue remains after the prostate is removed. About 200 men with prostate cancer having robotic surgery will take part. The goal is to help surgeons remove all cancer in one operation.

This study tests a new plastic mouth retractor for throat surgery to see if it works as well as the standard metal one. The retractor holds the mouth open so surgeons can access the throat. The plastic version may allow better CT scans during surgery. About 20 adults with oral or…