Patent ID: 11872343
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 6:
7. A ventilator system, comprising:
a first air tank;
a plurality of second air tanks, communicated with the first air tank;
a plurality of breathing devices, respectively communicated with the second air tanks;
a plurality of first vacuum tanks, respectively communicated with the breathing devices;
a second vacuum tank, communicated with the first vacuum tanks;
a plurality of one-way valves, respectively connected between the first air tank and the second air tanks, between the second air tanks and the breathing devices, between the breathing devices and the first vacuum tanks, and between the second vacuum tank and the first vacuum tanks: and
a central control unit, electrically connected to the one-way valves to switch on or off the one-way valves, wherein each of the one-way valves is normally off,
wherein the first air tank has a positive pressure relative to the second air tanks,
wherein the second vacuum tank has a negative pressure relative to the first vacuum tanks.