Dentistry – Apparatus – Having means to emit radiation or facilitate viewing of the...
Patent
1979-12-20
1982-07-27
Peshock, Robert
Dentistry
Apparatus
Having means to emit radiation or facilitate viewing of the...
433 82, A61C 0000
Patent
active
043415180
ABSTRACT:
An air driven dental handpiece is disclosed for rotating a bur in an angled housing that utilizes an arrangement of cooling water, chip air, and light services which are configured at their terminus into a form resembling a human eye. These services are integrated into an oval shape which is totally contained within the handle structure of the handpiece, and exit from the handle immediately adjacent the housing.
In the handpiece, light is transmitted by optic fibers that are enclosed within a rigid, metallic sheath. Light is provided by a flexible fiber optic which abuts the entrance face of the handpiece sheath in a readily detachable, threaded coupling. A spring in the coupling presses the cable fibers firmly against the sheath fibers for maximum light transmission, and also holds the cable securely in the coupling.
A flexible, multi-cavity supply hose includes four cavities which provide the five services of turbine air, turbine exhaust, water, chip air, and light. The fiber optic cable is contained in the exhaust cavity and is connected to a light source. The fiber optic cable can be readily detached from the coupling independent of the supply hose. The turbine air, water, and chip air services of the supply hose are connected within a control console. The exhaust air cavity is terminated at the light source when the source is separate from the control console, and within the control console when the light source is integral with the console.
REFERENCES:
patent: 3397457 (1968-08-01), Gosselin
patent: 3614414 (1971-10-01), Gores
patent: 3893242 (1975-07-01), Lieb et al.
patent: 3897134 (1975-07-01), Scrivo et al.
patent: 4020556 (1977-05-01), Sotman
Kuypers Rene A.
Peshock Robert
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