ResMed is a developer, manufacturer and distributor of medical equipment for treating, diagnosing, and managing sleep-disordered breathing and other respiratory disorders. Sleep-disordered breathing (SDB), includes obstructive sleep apnea (OSA), and other respiratory disorders that occur during sleep. It has developed a number of products for SDB and other respiratory disorders including airflow generators, diagnostic products, mask systems, headgear and other accessories. Its manufacturing operations are located in Australia, Singapore, France and the United States. Major distribution and sales sites are located in the United States, Germany, France, the United Kingdom, Switzerland, Australia, Norway and Sweden. On October 1, 2009, it acquired 100% of Laboratoires Narval SA. Laboratoires Narval manufactures and distributes a mandibular repositioning device (MRD).