LAKE FOREST, Calif.--(BUSINESS WIRE)--I-Flow Corporation (NASDAQ:IFLO) announced today that a landmark meta-analysis confirming the efficacy of continuous wound catheters delivering local anesthetic, including ON-Q, for post surgical analgesia (pain relief) was published in the December 2006 Journal of the American College of Surgeons (JACS). The large-scale study encompassed 44 different randomized clinical trials which included 2,141 patients across a wide range of surgical procedures. JACS is a prominent peer-reviewed journal that is the official scientific publication of the American College of Surgeons.