EDISON, N.J.--(BUSINESS WIRE)--Tenderfoot®, the first incision device developed for heel-stick blood draws from infants and children, is celebrating two decades of proven clinical use. Tenderfoot was designed by International Technidyne Corporation (ITC), a subsidiary of Thoratec Corporation (NASDAQ:THOR). The device is a major technology advance that standardizes the process of obtaining blood from infant and pediatric patients making it safer, less traumatic and less painful than those done with traditional lancet devices.