Dentistry – Apparatus – Hand manipulatable implement
Patent
1998-03-17
1999-08-10
Lewis, Ralph A.
Dentistry
Apparatus
Hand manipulatable implement
30342, 30DIG6, A61C 302
Patent
active
059349050
ABSTRACT:
A flexible cutting tool includes a substantially cylindrically-shaped housing having a first end and a second end. The first end includes a hollowed region. A substantially cylindrically-shaped bushing, having a first face and second face and including a flexible material, is sized such that the first face and at least a portion of the bushing are secured inside the hollowed region of the housing. The bushing includes a bore extending through the first face, the second face, and an axis of the bushing. A cutting tool includes a cutting edge, a stop, and a shaft between the cutting edge and the stop. A diameter of the stop is larger than a diameter of the bore for allowing the stop to enter the second face of the bushing, frictionally pass through the bushing and exit the first face of the bushing. A diameter of the shaft is smaller than the diameter of the stop and larger than the diameter of the bore such that the bushing frictionally engages the shaft. A length of the shaft is longer than a thickness of the bushing. A flexibility of the cutting tool is a function of an amount of the shaft extending from the second face of the bushing.
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American Dental Supply, Inc. literature entitled "introducing . . . Flexi-Tips," published the week of Nov. 3, 1997.
Martoral Maximo
Padin Guillermo
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