| 摘要 |
DISPOSABLE HAND TOOL FOR HEALTH CARE PROCEDURES A disposable hand tool for performing dental and other health care procedures in which the entire tool is thrown away and disposed of after use with a single patient. The tool is made of relatively inexpensive materials such as plastic, and since durability and re-use are not requirements the operating mechanism can itself be constructed of disposable materials, including non-metallic materials. In the embodiment described herein, the disposable hand tool has a rotatable working member such as a rotatable buffer for polishing and cleaning teeth known in the dental profession as a prophylactic angle or cup, a rotatable burr also for use by dentists, and the like. The rotatable operating mechanism includes a small turbine of plastic or other disposable material mounted for rotation in a hand held housing which is also made entirely of disposable material and connectable to a hose which in turn is connected to a source of compressed air to drive the turbine. The rotatable prophylactic cup, rotatable burr, or other working member, may be integrally and non-removably connected to the drive shaft of the turbine, since the working member itself is thrown away with the disposable hand tool after use with a single patient.
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