Retractable Technologies, Inc. Reports 30.1 Percent Increase in Sales in the First Quarter LITTLE ELM, Texas–May 17, 2006–Retractable Technologies, Inc. (AMEX:RVP), a leading maker of safety needle devices, today reported $5.5 million in total sales for the three months ended March 31, 2006, a 30.1 percent increase over the same