HUMIDIFIER WITH INGRESS PROTECTION FOR USE IN CPAP THERAPY

• Main Authors: VIVIAN JUSTIN M, HOLMES ERIC L, MCCRACKEN CHRISTOPHER J
• Format: Patent
• Language: Chinese; English
• Published: 28.05.2021
• 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

An apparatus for use in humidifying a flow of treatment gas for a user includes: a housing; an inlet structured to receive the flow of treatment gas from a gas flow generator; an outlet structured to convey the flow of treatment gas to a patient interface device; a compartment defined in the housing, the compartment being structured to hold a volume of water therein; a primary valve disposed between the inlet and the compartment, the primary valve being structured to permit passage of the flow of treatment gas from the inlet to the compartment and to prevent passage of a fluid from the compartment to the inlet; and a secondary valve disposed between the compartment and the inlet which is structured to permit passage of a fluid from the compartment to the inlet and to prevent passage of the flow of treatment gas from the inlet to the compartment. 一种用于为用户加湿治疗气体流的设备，包括：壳体；入口，其被构造成接收来自气流发生器的治疗气体流；出口，其被构造成将治疗气体流输送到患者界面装置；限定在壳体中的隔室，该隔室被构造成在其中容纳一定体积的水；主阀，其被设置在入口和隔室之间，该主阀被构造成允许治疗气体流从入口传送到隔室和防止流体从隔室传送到入口；和副阀，其被设置在隔室和入