Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool
Patent
1992-09-09
1996-02-13
Lucchesi, Nicholas D.
Dentistry
Apparatus
Having motor or means to transmit motion from motor to tool
A61C 116
Patent
active
054907810
ABSTRACT:
An adjustable, sanitary, disposable improved dental hand piece cover and dental hand piece noise reducer, having an adjustable head section (28), an adjustable neck section (36), and cylindrical body and handle section, with internally stabilizing and noise reducing material (34), by the utilization of which the dental hand piece is prevented from coming in direct contact with the patients oral cavity or its possible harmful inclusions. The cover is formed of a plastic material, preferably by the process of injection molding or thermoforming of a predetermined shape corresponding to that of the general conventional hand piece to be used. The cover comprises an assembly of two individual halves of injection molded or thermoformed material, that when forcibly united will amply and completely encase the dental hand piece. At least one model variation is formed for use specifically with a slow-speed dental hand piece. When desired to be used, the hand piece cover is removed from its pre-packaging and the dental hand piece is centered and then laterally inserted into either half of the hand piece cover (116) or (120). If a fiber optic light is used, the model of the hand piece cover which includes fiber optic light cover (56) may be used. Any variations in head width or contra-angle position may be compensated for by the flexing and adjustable sections of the head (28) and neck (36) regions. The connecting sections (32 and 32') are then aligned and forcibly united until the two halves interlock, thus forming the hand piece cover assembly with the dental hand piece being internally stabilized by material (34). After use, the hand piece cover (116) or (120) may be removed and then properly disposed of.
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patent: 4752223 (1988-06-01), Carlson
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