DarvallVet is the North American division of Advanced Anesthesia Specialists, an international innovator in the design and manufacture of solutions for longstanding problems in veterinary anesthesia and critical care. We design and manufacture the Darvall brand of veterinary anesthesia equipment and supplies, including the world’s first heated breathing circuits, the Cozy warm air heater and forced air warming blankets,  zero dead space (ZDS) breathing masks, RIGHT HANDED laryngoscopes, and efficient smooth wall breathing circuits.

Founded by Dr. Colin Dunlop (formerly Head of Veterinary Anesthesia at Colorado State University) the Advanced Anesthesia Specialists team has extensive background in veterinary anesthesia, engineering, education, animal safety, and technical services.  Darvall veterinary products represent the highest quality in veterinary anesthesia equipment and supplies for veterinarians, veterinary anesthesiologists, and research scientists.  We also provide technical services, expertise, and continuing education for veterinarians and veterinary anesthetists around the world.