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

摘要

The present invention provides a surgical handpiece (2), an imaging unit (4) movably attached to the surgical handpiece (2), and a marker member attachable to a patient's skull, facial bone (26), teeth or teeth ( 6, 44, 46, a dental and cranio-maxillofacial surgical navigation system. The marker member 6; 44, 46 comprises a plurality of marker elements 8, 10; 46 detectable by the imaging unit 4. Furthermore, the present invention relates to a positioning tool 40 for use with such a navigation system, which positioning the marker members 44 and 46 on the patient's skull, facial bone 26, teeth or teeth. It is configured to position above and includes a die element 42 and marker members 44, 46. The marker members 44, 46 include a deformable material 44, the deformable material 44 is releasably received within the die element 42, and the plurality of marker elements 46 are die elements 42. Disposed on the surface of the deformable material 44 facing away. The invention also uses a navigation method and positioning tool 40 for dental and craniofacial surgery using such a navigation system to place marker members 44, 46 on a patient's skull, facial bone 26, teeth or teeth. It relates to a method of positioning.