Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool
Patent
1992-05-26
1994-05-03
Mancene, Gene
Dentistry
Apparatus
Having motor or means to transmit motion from motor to tool
433126, 433127, A61C 110, A61C 300, A61C 108, A61C 114
Patent
active
053082427
ABSTRACT:
A disposable hand tool of the compressed air drive type is disclosed for use in performing dental procedures on a workpiece. An elongated body has conduits penetrating a base at one end of the body. The conduits allow entry of a light beam, a pressurized water stream, and a compressed air stream into the body. The base includes attachment threads for securing the body to a source of the light beam, pressurized water stream, and compressed air stream. A plurality of passageways are in communication with the conduits for conducting the light beam, the water stream, and the air stream through the body. A head at the opposite end of the body contains bearings attached to a supporting shaft. The shaft includes a turbine impeller and a clamping hole for removable attachment of a dental bur to the shaft. The air stream drives the impeller at a high speed for rotating the bur about a rotational axis. An opening in the body adjacent to the head allows release of the light beam, the pressurized water stream, and a portion of the compressed air stream in a direction toward the distal end of the bur so that the bur, the light beam, the water stream, and the air stream may all converge on the workpiece.
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Barson Clyde
McCarthy Delwin K.
McLaughlin Roger
Cherichetti Cindy A.
Mancene Gene
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