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Referencing device including mouthpiece

  • US 6,223,067 B1
  • Filed: 04/07/1998
  • Issued: 04/24/2001
  • Est. Priority Date: 04/11/1997
  • Status: Expired due to Term
First Claim
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1. 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, and b) an adapter connected to said reflectors, and wherein c) 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, and said air space is connected to said connecting passage.

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