Title:
PROTRACTION HEADGEAR
Document Type and Number:
WIPO Patent Application WO/2005/107625
Kind Code:
A2
Abstract:
In a facebow which overcomes the adverse effects and limitations of current designs
by rotating the maxilla in a downward and forward direction, which assists in
correcting anterior open bites, this being accomplished by a design that produces
forces above the center of resistance of the maxilla and parallel to the Frankfurt
horizontal plane. The extra-oral headgear design is characterized by providing
two independent adjustments (forehead width and horizontal/vertical dimensions)
that allow the appliance to be customized to each patient. In particular the two
independent adjustments are provided by a fully adjustable forehead pad and
bilateral adjustable blocks on opposite sides of the facebow extra-oral frame
to provide horizontal and vertical adjustments.
Inventors:
KELES AHMET OZLEM
WILLISON BRIAN
WILLISON BRIAN
Application Number:
PCT/US2005/014996
Publication Date:
November 17, 2005
Filing Date:
April 29, 2005
Export Citation:
Assignee:
GREAT LAKES ORTHODONTICS LTD (US)
International Classes:
A61C3/00; A61C7/06; A61C7/10; (IPC1-7): A61C3/00
Foreign References:
| US5158451A | 1992-10-27 | |||
| US4600382A | 1986-07-15 | |||
| US4368039A | 1983-01-11 | |||
| US4034474A | 1977-07-12 | |||
| US5704784A | 1998-01-06 | |||
| US20040060561A1 | 2004-04-01 |
Attorney, Agent or Firm:
LINIHAN, Martin, G. et al. (One M & T Plaza Suite 200, Buffalo NY, US)
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