Don Abbey

Protocol Systems, Inc. manufactures patient monitoring instruments and systems. The company is based in the United States and has subsidiaries in various locations.

Respironics, Inc. manufactures sleep solutions, home respiratory therapy products, and respiratory drugs. Its products include pressure relief, supplemental oxygen, ventilators, oximetry devices, nebulizers and compressors, asthma management, spacers and holding chambers, and peak flow meters. The company was founded by Gerald E. McGinnis in 1976 and is headquarters in Murrysville, PA.

Heartstream developed, manufactured, and marketed an innovative automatic external defibrillator that revolutionized the treatment of sudden cardiac arrest. It was acquired by Hewlett-Packard in 1998.

Welch Allyn, Inc. develops and manufactures medical diagnostic and therapeutic devices. Its products include physical exam, patient monitoring, blood pressure measurement, thermometry, cardiopulmonary, medical lighting, animal health, and population health management technologies. It also offers batteries, lamps, cables and sensors, power supplies, cords and chargers, connectors and tubing, and probe covers and thermometry. The company was founded by Francis Welch and William Noah Allyn in 1915 and is headquartered in Skaneateles Falls, NY.

CareFusion Corp. engages in the manufactures of medical equipment and device. The company was founded on February 4, 2009 and is headquartered in San Diego, CA.