Device for realizing precise body surface positioning of medical ultrasonic probe

The utility model discloses a device for realizing precise body surface positioning of a medical ultrasonic probe. The device comprises a positioning tag device composed of wireless radio frequency chips and ultrasonic receiving and sending modules, a detection device, a detection auxiliary device, a digital signal processor (DSP) and a communication module, wherein the positioning tag device is arranged at the ultrasonic probe; the detection auxiliary device comprises a sliding bar and a light cross collimator; the detection device comprises three sets of wireless radio frequency chips and ultrasonic receiving and sending modules which are fixed at the sliding bar in a triangle shape; the DSP is respectively connected with the detection device and the communication module; and the communication module is connected with an external computer workstation by the network or a data line. The device can provide precise body surface positioning for ultrasonic recheck and acquire the same ultrasonic section as the pr