Patent ID: 11944749
Assignee: BMC MEDICAL CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A ventilation-treatment apparatus, wherein the ventilation-treatment apparatus comprises:
a headrest, wherein the headrest comprises a first chamber, and a gas inlet and a first gas hole that communicate with the first chamber, the gas inlet is configured for gas from a gas source to enter the first chamber, and a first valve assembly for opening and closing the first gas hole is disposed at the first gas hole; and
a patient-interface device, wherein the patient-interface device comprises a main body having a respiratory cavity, and a head band connected to the main body, the head band comprises a second chamber, and a gas outlet and a second gas hole that communicate with the second chamber the gas outlet communicates with the second chamber and the respiratory cavity, and a second valve assembly for opening and closing the second gas hole is disposed at the second gas hole; and
the ventilation-treatment apparatus is configured for, when the first valve assembly and the second valve assembly contact, opening the first gas hole and the second gas hole, to make the first chamber communicates with the second chamber and when the first valve assembly and the second valve assembly are separated, closing the first gas hole and the second gas hole.