Dunn Industries

Dunn Industries is a leading supplier of catheter mandrels and thermoplastic small-diameter tubing for global medical device manufacturers. Their precision extruded medical tubing solutions are operated in a state-of-the-art 16,000-square-foot facility in New Hampshire for prototyping, clinical trials, and large-scale production of catheter shaft assemblies and other minimally invasive components. Dunn Industries' customized small-diameter medical tubing comes in a wide variety of thermoplastics and configurations, ranging from tapered (bump) tubes and those with longitudinal lines to micro-extruded tubes as narrow as 0.25 mm (less than 1 French size). Their precision catheter mandrels allow catheter manufacturers to maintain exact lumen dimensions throughout production and assembly operations.