HUNTERSVILLE, N.C.--(BUSINESS WIRE)--Orthofix International N.V., (NASDAQ:OFIX) today pre-announced revenues for the fourth quarter and full year ended December 31, 2006 prior to its attendance at the upcoming annual meeting of the American Academy of Orthopedic Surgeons (AAOS) February 14th through 16th in San Diego. Fourth quarter revenue was $116.1 million, an increase of 45% year-over-year. This included $28.1 million from the September 2006 acquisition of Blackstone Medical, Inc.(Blackstone), which was 76% higher than their revenue in the fourth quarter of 2005. The impact of foreign currency on revenues for the fourth quarter of 2006 was a positive $1.5 million.