The best CPAP on the market: Respironics(USA), ResMed(Australia), etc.
Due to the upper respiratory tract of the patient suffocate during the sleeping time. In other words, the throat tissue of patient is excessive or muscle (maintaining the air passage unblocked) relaxtion so that the air can’t pass it freely, which is easy to cause apnea, hypertension, myocardial infarction or even sudden death.
However, the CPAP is able to transmit the continuous barotropic air into the air passage, which is obviously eliminate the phnomenon of respiratory disorder while the patient is sleeping.
