SYSTEM AND METHOD FOR DYNAMIC VALIDATION, CORRECTION OF REGISTRATION FOR SURGICAL NAVIGATION

摘要

Disclosed herein is a system and method for dynamic validation, correction of registration for surgical navigation during medical procedures on a patient which involves confirmation of registration between one or more previously registered virtual objects, such as surgical tools etc. in a common coordinate frame of a surgical navigation system and an operating room, and intra-operatively acquired imaging during the medical procedure in the common coordinate frame. The method includes displaying intra-operatively acquired imaging of the surgical field containing the one or more real objects corresponding to the one or more previously registered virtual objects, with the real objects being tracked by a tracking system. The method overlaying a virtual image containing the previously registered virtual objects onto the intra-operatively acquired imaging, from the point of view of the intra-operatively acquired imaging, and detecting for any misalignment between any one of the one or more previously registered virtual objects contained in the virtual image and its corresponding real object contained in the intra-operatively acquired imaging.

主权项

1. A method of detecting registration error between one or more previously registered virtual objects in a common coordinate frame of a surgical navigation system and an operating room in which a medical procedure is to be performed, and intra-operatively acquired imaging during said medical procedure in said common coordinate frame, said surgical navigation system including a tracking system, the method comprising:
a) displaying intra-operatively acquired imaging of a surgical field containing one or more real objects corresponding to said one or more previously registered virtual objects, the real objects being tracked by the tracking system; b) overlaying a virtual image containing the one or more previously registered virtual objects onto the intra-operatively acquired imaging, from the point of view of the intra-operatively acquired imaging; and c) detecting for any misalignment between any one of the one or more previously registered virtual objects contained in the virtual image and its corresponding real object contained in the intra-operatively acquired imaging, wherein a presence of misalignment is indicative of registration error between the virtual object and its corresponding real object.