First-aid respirator device for intensive care

The utility model provides a first-aid respirator device for intensive care. The respirator comprises a respirator body, a nose mask and a breathing cavity, an oxygen tube connecting body is mounted in the middle of the nasal mask; a carbon dioxide concentration detector is mounted on one side, far away from the rubber air bag, of the oxygen pipe connecting body; an alarm is installed on the lowerside wall of the carbon dioxide concentration detector, the carbon dioxide concentration detector is electrically connected with the alarm through a wire, an expiration tube communicated with the breathing cavity is arranged on the nasal mask, and one end of the expiration tube is connected with the carbon dioxide concentration detector. According to the utility model, the exhalation tube is connected with the carbon dioxide concentration detector arranged on one side of the oxygen tube connecting body; the concentration of carbon dioxide exhaled by a patient is detected in real time, when the concentration of the ex