DUBLIN, Ohio--(BUSINESS WIRE)--June 7, 2006--Neoprobe Corporation (OTCBB:NEOP - News), a diversified developer of innovative oncology and cardiovascular surgical and diagnostic products, today announced that it has entered into a national distribution agreement with ESTECH, Inc. (privately held) of Danville, CA, for distribution in the U.S. of the Quantix/OR blood flow measurement system. The Quantix/OR is designed to provide surgeons with quantitative hemodynamic information in coronary artery bypass graft (CABG) and carotid endarterectomy procedures.