Dentistry – Apparatus – Hand manipulatable implement
Patent
1992-02-13
1993-08-17
Mancene, Gene
Dentistry
Apparatus
Hand manipulatable implement
433141, 433215, 408128, A61C 302, A61C 300, A61C 500
Patent
active
052363597
ABSTRACT:
A tool for the tapping of a bone hole and installation of an implant in dentistry has a knob manually rotatable externally of a patient's mouth on one end of an arm and a bit, releasably secured on a sprocket, rotatable inside the patient's mouth in response to rotation of the knob. A chain connects the bit sprocket to a sprocket attached to the knob, so that the bit rotates about an axis parallel to, but laterally offset by the arm from, the axis of rotation of the knob. For bone tapping purposes, a tapping bit is used and a "T"-shaped handle attaches to the knob to increase the lever arm for torque application. For screwing implant components together or into the tapped bone, a screwing bit is used. A resilient elastomer sleeve is releasably stretched over the implant component and over the screwing bit for initial positioning. Multiple, interchangeable bits are provided to match different-sized implant components. The shank of each bit is recessed intermediate cylindrical portions, for receiving a set screw.
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Hughes John G.
Myers James R.
Cherichetti Cindy A.
Mancene Gene
R&J Innovations, Inc.
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