Non-invasive real-time tracker coupled with ultrasonic ranging and optical localization
An optical positioning and real-time tracking technology, applied in the field of trackers, can solve problems such as increased operation time and difficulty, additional trauma for patients, infection, etc., to improve surgical accuracy and safety, avoid invasive and loose problems, and accurately track in real time Effect
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[0022] like figure 1 As shown, this embodiment includes: an optical positioning reference frame 21, an ultrasonic transducer (probe) lattice device 25, a data exchange interface 23 and an adjustable length bandage 27, and the optical positioning reference frame is fixed on the ultrasonic transducer through a rigid connection. On the transducer lattice device, the ultrasonic transducer lattice device is fixed to the surgical site by an adjustable length bandage. During the navigation operation, the non-invasive tracker sends the data collected by ultrasound percutaneously to the host of the surgical navigation system in real time through the data exchange interface, and calculates the position coordinates of the bone tissue in the navigation system coordinate system in real time through the coordinate transformation algorithm and the position compensation algorithm. , to achieve non-invasive real-time tracking of bone tissue.
[0023] like figure 2 , 3 As ...
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