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

Claim 1:
2. The ventilation-treatment apparatus according to claim 1, wherein
the first valve assembly comprises a first valve body, and the first valve body penetrates the first gas hole and is capable of moving reciprocatingly relative to the first gas hole and in an axial direction of the first gas hole, to move between a first opening position of opening the first gas hole and a first closing position of closing the first gas hole;
the second valve assembly comprises a second valve body and the second valve body penetrates the second gas hole and is capable of moving reciprocatingly relative to the second gas hole and in an axial direction of the second gas hole, to move between a second opening position of opening the second gas hole and a second closing position of closing the second gas hole;
when the first valve body and the second valve body contact, the first valve body moves to the first opening position, and the second valve body moves to the second opening position; and
when the first valve body and the second valve body are separated, the first valve body moves to the first closing position, and the second valve body moves to the second closing position.