WILMINGTON, Mass.--(BUSINESS WIRE)--May 26, 2006--ONI Medical Systems, Inc. ("ONI"), developer of MSK Extreme(TM) and OrthOne(TM) high-field, 1.0T extremity MRI systems, announced today that Mr. Victor Ruiz has accepted the position of Vice President, in charge of Corporate Strategy and Marketing. Victor is an accomplished business leader with over 21 years experience in general management, developing and growing sales and marketing teams and leading new business development efforts.