Three-dimensional positioning system based on medical ultrasonic probe

The utility model discloses a three-dimensional positioning system based on a medical ultrasonic probe, which comprises an image acquisition module, the ultrasonic probe, a communication module, a signal processing device and a display device. The interior or surface of the ultrasonic probe is provided with a three-axis gyroscope; the image acquisition module is used for acquiring the video signal of the specific dissecting part where the ultrasonic probe is arranged of the human body; the three-axis gyroscope is used for determining the state of the three-dimensional space where the ultrasonic probe is arranged; the communication module is used for sending the data acquired by the three-axis gyroscope and the image acquisition module to a signal processing device; and the signal processing device is used for acquiring the video signal acquired by the image acquisition module and the information on the state of the three-dimensional space and sending the video signal and the information on the state of the th