Hans Rudolph

Hans Rudolph is one of the earliest companies in the world to design and manufacture resin products. These products are used in hospitals, clinics, homes, laboratories, universities, and research institutions, involving pulmonary function testing, stress testing, sports medicine, respiratory care, obstructive sleep apnea, non-invasive ventilation therapy and research, as well as human and animal physiology research. HRI designs, develops, manufactures, and sells respiratory valve control valves, masks and nasal masks, spirometers, volume calibration syringes for hospitals and universities, and respiratory accessory equipment for original equipment manufacturers.