The invention relates to an electronic knee-joint orthopedic device which comprises a
thigh bracket, a circuit board installation platform, an electronic lock, a lock control device, a knee-joint hinge, a crus bracket, a spring, a thin
film pressure sensor and an MSP430 singlechip
microcomputer, wherein the
thigh bracket is connected with a lock
control system through the circuit board installation platform, the lock control device is connected with the crus bracket through the electronic lock and the knee-joint hinge, the thin
film pressure sensor is arranged at foot of a wearer, the MSP430 singlechip
microcomputer is installed on the circuit board installation platform, a spur rack cylinder is arranged outside the electronic lock, a gear is arranged outside the knee-joint hinge, the spur rack cylinder is connected with the electronic lock through the spring, and the thin
film pressure sensor and the electronic lock are respectively connected with the MSP430 singlechip
microcomputer. According to the device provided by the invention, the problem that the knee-joint is always fixed when the patient uses a conventional knee-joint orthopedic device, and the patient is inconvenient to walk, and even cannot walk is solved. The device is convenient for movement of the patient with knee-joint function disorder in early stage
recovery and home
recovery, and is beneficial for the patient to return to the society earlier.