Medical or dental handpiece
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United States of America Patent
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Mar 20, 2018
Grant Date -
Mar 30, 2017
app pub date -
Dec 13, 2016
filing date -
Nov 5, 2012
priority date (Note) -
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Abstract
Embodiments of a medical or dental handpiece are disclosed. A medical or dental handpiece may include a rotatable drive element to drive a tool that can be connected to the handpiece, a rotational speed measuring device which is designed to generate a variable electric rotational speed measurement signal assigned to the rotational speed of the drive element, a lighting device that can be supplied with electric power for emitting radiation, in particular visible light, onto a treatment site, and at least one shared electric line, which is provided for transmitting electric power to the illumination device and the rotational speed measurement signal of the rotational speed measurement device. Further a corresponding method for the operation of a medical or dental handpiece is disclosed.
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