BELLEVUE, Wash.--(BUSINESS WIRE)--RF Surgical Systems, Inc. today announced the presentation of positive data from the largest-ever prospective, multi-institution study of the detection and prevention of retained surgical items (RSI) for improving patient safety and increasing staff confidence during surgical procedures. Lynn Bridgewater, MSN, Clinical Director of Operations, PeriOperative Services at Indiana University Health (IU) Methodist Hospital, presented results from the ongoing study evaluating the RF Surgical Detection System at the 59th Association of PeriOperative Registered Nurses (AORN) Congress. The presentation also included retrospective data showing zero RSI incidents when using RF Surgical technology over a four-year evaluation period. RSI is a medical error that occurs when materials such as surgical sponges or gauze are left inside a patient’s body following a surgical procedure.