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US 6,269,816 B1Granted
Buccal protector
AssigneeFundacao Faculdade de Medicina
InventorsSergio Rigonatti, Rita de Cassia D'Ottaviano Napole
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Abstract
A buccal protector made of a single, solid piece of polyurethane resin extracted from castor oil and having a basic dental arcade shape. The buccal protector may be molded from the polyurethane resin. The polyurethane resin preferably has an average polymer which comprehends A219 (type 2¼). The buccal protector includes an orifice for intubation.
Claims13
A buccal protector comprising
- a single, solid piece of polyurethane resin extracted from castor oil,
- said piece having a basic dental arcade shape and including
- an arcuate central portion having a first thickness and defining an inner surface of said piece,
- an arcuate, sloping portion situated alongside each side of said central portion, and
- an arcuate edge portion having a second thickness smaller than said first thickness and which generally conforms to the curvature of said central portion, said arcuate edge portion defining an outer surface of said piece,
- said sloping portions each having a thickness decreasing from said first thickness to said second thickness.
3 more elements
Dependencies are inferred from the claim text.