NAVIGATION SYSTEM AND METHOD FOR DENTAL AND CRANIO-MAXILLOFACIAL SURGERY, POSITIONING TOOL AND METHOD OF POSITIONING A MARKER MEMBER

摘要

The present invention relates to a surgical device comprising a surgical handpiece 2, an imaging unit 4 movably attached to the surgical handpiece 2, and a skull of the patient, a facial bone 26, The present invention relates to a navigation system for dental and cranio-maxillofacial surgery, The marker member (6; 44, 46) includes a plurality of marker elements (8, 10; 46) detectable by the imaging unit (4). The present invention further relates to a positioning tool 40 for use with such a navigation system wherein the positioning tool 40 is configured to position the marker members 44 and 46 relative to the patient's skull, facial bone 26, And includes a die element 42 and marker members 44,46. The marker elements 44 and 46 include a deformable material 44 and the deformable material 44 is releasably received within the die element 42 and a plurality of marker elements 46 are disposed on the die element 42, Is placed on the surface of the deformable material (44). The present invention also relates to a method of positioning and marking members 44, 46 on a patient's skull, facial bone 26, teeth or teeth using a navigation method and positioning tool 40 for dental and cranio-maxillofacial surgery using such a navigation system As well as a method for positioning.