Patent ID: 6223067
Filing Date: 2001-04-24
Classification: A61B

Abstract:
A referencing device for mapping a position of bodily surgical or examination target points, comprisinga) at least three reflectors for enabling position localizing thereof by at least one of a computer-assisted position tracking system and a CT scan, andb) an adapter connected to said reflectors, and whereinc) said adapter comprises a mouthpiece securable to an upper jaw of a patient by means of vacuum pressure, and said adapter includes a connecting passage for connecting to a source of vacuum, and wherein:said adapter comprises an upper jaw impression mold which is filled with a settable jaw impression compound,a surface region of said impression compound has placed therein a removable member which when removed from said mouthpiece leaves an air space between said hard palate and said surface of said impression compound which can be subjected to a vacuum pressure, andsaid air space is connected to said connecting passage.