Wire heated tube with temperature control system, tube type detection, and active over temperature protection for humidifier for respiratory apparatus

• Main Authors: Row, Nathan John, Huby, Ronald James, Dujmovic, Ivan Teodor, Richmond, Donald Angus, Bath, Andrew Roderick, Zhu, Jianhua, Shadie, Timothy Nicholas
• Format: Patent
• Language: English
• Published: 21.03.2023
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

A PAP system for delivering breathable gas to a patient includes a flow generator to generate a supply of breathable gas to be delivered to the patient; a humidifier including a heating plate to vaporize water and deliver water vapor to humidify the supply of breathable gas; a heated tube configured to heat and deliver the humidified supply of breathable gas to the patient; a power supply configured to supply power to the heating plate and the heated tube; and a controller configured to control the power supply to prevent overheating of the heating plate and the heated tube.