LAKE FOREST, Calif.--(BUSINESS WIRE)--I-Flow Corporation (NASDAQ:IFLO) announced today that second quarter revenue in its Regional Anesthesia business increased 35% to $23.0 million, a quarterly record, compared to $17.0 million for the second quarter of 2006, and that total revenue from continuing operations for the second quarter of 2007 increased 30% to $29.1 million versus $22.4 million for the same period of the prior year. For the first half of 2007, Regional Anesthesia revenue increased 35% to a first-half record $42.1 million compared to $31.3 million for the first six months of 2006, and total revenue from continuing operations for the first half of 2007 increased 26% to $53.4 million versus $42.3 million for the same period last year.