O’FALLON, Mo.--(BUSINESS WIRE)--Synergetics USA, Inc. (NASDAQ: SURG) announced today that it has extended the Stryker contract. On October 25, 2004, Synergetics USA, Inc.’s predecessor, Valley Forge Scientific executed a Supply and Distribution Agreement (the “Agreement”) with Stryker, a Michigan corporation, which provides for the Company to supply to Stryker and for Stryker to distribute exclusively, on a world-wide basis, a unique radio frequency (“RF”) generator for the percutaneous treatment of pain. The original agreement was for a term of five years commencing on November 11, 2004 and ending on December 31, 2009.