Cross-region joint spatial registration method and device for bronchial navigation
By using a cross-regional joint spatial registration method and a joint registration matrix of facial and airway feature points, the accuracy and safety issues of CT image and electromagnetic spatial registration in bronchoscopic navigation surgery were resolved, achieving high-precision navigation from the body surface to the depths of the lung field.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- GUANGZHOU AIMUYI TECH CO LTD
- Filing Date
- 2026-04-17
- Publication Date
- 2026-07-17
AI Technical Summary
In existing bronchoscopic navigation surgery, the registration methods between CT image space and electromagnetic space have problems such as easy displacement of markers, complicated operation, insufficient accuracy and high risk, especially in cases with complex airway structures, it is difficult to achieve high-precision registration.
A cross-regional joint spatial registration method is adopted. By acquiring facial and airway feature points in CT images and electromagnetic space, the joint spatial registration matrix is calculated using the facial region registration matrix and the airway region registration matrix. This avoids directly extracting feature points within the airway and achieves high-precision coverage from the body surface to the depths of the lung field.
It improves the operational safety and accuracy of the bronchial navigation system, solves the problems of registration failure and insufficient deep accuracy in traditional methods, and achieves stable, safe and high-precision image electromagnetic spatial registration.
Smart Images
Figure CN122415693A_ABST