Peripheral vessel venous thrombosis interventional thrombolysis device

A peripheral vessel venous thrombosis interventional thrombolysis device comprises a multifunctional operation box, a three-cavity interventional catheter is connected to one side of the multifunctional operation box in an inserted mode, the other side of the multifunctional operation box is connected with a negative pressure drainage bag and a thrombolysis liquid medicine groove, operation keys and a display screen are fixed to the multifunctional operation box, and an ultrasonic transducer is arranged at the front end of the three-cavity interventional catheter. A liquid medicine injection hole is formed in one side of the three-cavity interventional catheter, and a suction hole is formed in the other side of the three-cavity interventional catheter; the multifunctional operation box comprises a sealing cover plate, a circuit board and a shell. A storage battery, a power module, an electric quantity detection module, a control chip, a digital-to-analog conversion module, a first relay, a second relay, a thi