Beat-to-beat blood pressure detection device

The utility model provides a beat-to-beat blood pressure detection device. The device comprises a microprocessor, an electrocardio sensor which is connected with the microprocessor through an amplification collection circuit and used for inputting an electrocardio signal of a checked person to the microprocessor, a pulse wave sensor which is connected with the microprocessor through the amplification collection circuit and used for inputting a pulse wave signal of the checked person to the microprocessor, a cuff airbag with a pressure sensor, electric control inflation unit and deflation unit and an output device, wherein the pressure sensor is connected with the microprocessor through an A/D (analog-to-digital) converter and used for inputting a cuff airbag pressure signal to the microprocessor; the electric control inflation unit and deflation unit are respectively used for controlling inflation and deflation of the cuff airbag under control of the microprocessor; and the output device is used for outputtin