Patient interface and CPAP system including same

• Main Authors: GREIG NIEL PAUL, TRUSCOTT MICHAEL KENNETH, DAY SHANNON, SINGH BISHAVJOT, HARTONO MARVIN SUGI, OZOLINS ANGELENE MARIE, DUNN JESSICA LEA
• Format: Patent
• Language: Chinese; English
• Published: 22.10.2021
• Subjects: BANDAGES, DRESSINGS OR ABSORBENT PADS; 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; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; FILTERS IMPLANTABLE INTO BLOOD VESSELS; FIRST-AID KITS; FOMENTATION; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PROSTHESES; TREATMENT OR PROTECTION OF EYES OR EARS

The utility model relates to a patient interface and a CPAP system comprising the same. A patient interface for delivering a flow of air that is positive relative to ambient air pressure to an airway inlet of a patient to improve sleep breathing disorders includes a frame assembly and a bumper assembly configured to be removably and repeatably connected to the frame assembly. The frame assembly and the bumper assembly form at least a portion of an inflation chamber that is pressurizable to a treatment pressure. The bumper assembly includes a unitary structure including a seal forming structure configured to form a seal with a patient facial area surrounding the patient airway entrance and a frame connection structure configured to removably and repeatably connect the bumper assembly to the frame assembly. The seal forming structure includes a first elastomeric material, the frame connecting structure includes a second elastomeric material, and the hardness value or hardness of the first elastomeric material i