Vital capacity training device for respiratory medicine department

The vital capacity training device comprises a frame body, a sealing layer is fixedly arranged on the inner wall of the frame body, a sponge cushion is arranged at the bottom of the sealing layer, a replacement pipe is fixedly connected to the top of the sponge cushion, and an oxygen storage pipe is fixedly connected to the top of the replacement pipe. One end of the oxygen storage pipe is fixedlyconnected with an oxygen leading-out device, the bottom of the oxygen leading-out device is fixedly connected with an oxygen hose, the end, away from the oxygen leading-out device, of the oxygen hoseis fixedly connected with a nasal suction hood, the bottom of the nasal suction hood is fixedly connected with a vomiting hood, and one side of the vomiting hood is fixedly connected with a gas guide-in device. And a replacement pipe is fixedly connected to one end, far away from the gas outlet cover, of the gas guide-in device. The replacement tube and the oxygen storage tube are connected, so that a patient with vital c