Intelligent oxygen therapy flowmeter for medical use

The utility model provides an intellectual medical oxygen flow instrument which is composed of an oxygen flow sensor, a microprocessor, a memory, a display, an infrared ray remote transmitting and receiving interface and a hand-held computer, both the oxygen flow sensor and the display are connected with the microprocessor, the memory comprises an inner memory and an outer memory of microprocessor chip, the hand-held computer is connected with the microprocessor by the infrared ray remote transmitting and receiving interface, so the data of the transported oxygen quantity can be conveniently written into the database, the transported oxygen quantity and the demanded cost can be displayed in the display. The utility model relates convenient for application to realize the accurate measurement of the oxygen quantity and the data reading by infrared ray, the measurement accuracy can reach plus or minus 5% so as to reduce effectively the knottiness between the doctor and the patient.