Marker-free optical surgical navigation system and navigation method thereof
A surgical navigation and marker-free technology, which is applied in the surgical navigation system and other directions, can solve the problems of navigation drop, cumbersome and time-consuming operation process, and light occlusion of marker points, so as to reduce the operation process, reduce operation time, and solve the problem of marker drop Effect
Inactive Publication Date: 2016-12-14
SOUTH CHINA UNIV OF TECH
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The invention discloses a marker-free optical surgical navigation system and a navigation method thereof. The marker-free optical surgical navigation system comprises a structured light three-dimensional scanning system, an optical positioning system, a calibration board and a graphic workstation. The marker-free optical surgical navigation system continuously acquires surface information of a surgical area of a patient through structured light three-dimensional scanning, so that surface three-dimensional coordinates of the patient are acquired, coordinate transformation relation is obtained by virtue of real-time surface three-dimensional coordinates of the patient and preoperative three-dimensional medical image registry of the patient, positions of surgical instruments are traced in real time by virtue of the near infrared optical positioning system, and finally a three-dimensional medical image of a surgical site of the patient and surgery tools are displayed on display equipment in real time. The marker-free optical surgical navigation system disclosed by the invention has the advantages that marker-free optical surgical navigation on the patient is realized, a doctor does not need to carry out manual marker registry, operation processes and surgery time are reduced, the problem that a marker falls off is solved, and the marker-free optical surgical navigation system can be conveniently used under the condition that the marker is inconveniently pasted at some surgical sites.
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