BETHLEHEM, Pa.--(BUSINESS WIRE)--B. Braun, the world leader in regional anesthesia, launched the Contiplex® Stim Stimulating Catheter Nerve Block System today at the 2007 annual meeting of the American Society of Anesthesiologists in San Francisco. Stuart A. Grant, M.B., professor of anesthesiology at Duke University, who recently used the prototype catheter system said, “We used the catheter system successfully in a variety of upper and lower limb nerve blocks and were impressed with its ease of use. The needle and catheter are easily visible under ultrasound, which is a bonus for our practice.”