MALVERN, Pa.--(BUSINESS WIRE)--Orthovita, Inc. (NASDAQ:VITA), a spine and orthopedic biosurgery company, reported financial results for the quarter ended March 31, 2008. Product sales for the quarter ended March 31, 2008 increased 23% to $16.2 million, as compared to $13.2 million for the same period in 2007.