Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool
Patent
1997-05-06
1998-09-08
Wilson, John J.
Dentistry
Apparatus
Having motor or means to transmit motion from motor to tool
415904, A61C 105
Patent
active
058037330
ABSTRACT:
A pneumatically powered surgical handpiece suitable for a pencil-type handpiece configuration in which the pressurized fluid inlet is axially directed relative to the handpiece body. Fluid is directed through a dispersing section from an axial direction to a radially outward direction against the interior of a hollow cylindrical turbine body provided with a plurality of circumferentially arranged and longitudinally extending semi-circular channels adapted to receive the fluid flow and redirect it proximally through an annular exhaust channel situated annularly about the fluid inflow conduit. An output shaft is integrally formed with the turbine body and extending distally therefrom and a surgical instrument may be attached to or integrally formed within this output shaft. The invention also resides in a method for fluidically driving a surgical handpiece and lends itself to a method of producing a disposable fluidically driven surgical instrument.
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Ector, Jr. W. Lane
Trott A. Frank
Linvatec Corporation
Warzecha Gene
Wilson John J.
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