Adjustable, sanitary, non-reusable high speed and low speed dental hand piece glove (cover) and noise reducer
US5490781A · kind A · utility
Inventor
Key dates
| Filing date | Sep 9, 1992 |
| Grant date | Feb 13, 1996 |
| Priority date | — |
| Expiry date | Sep 9, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C1/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
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 whi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.