Dental hand instrument having an elongate handle sleeve
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United States of America Patent
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May 31, 2016
Grant Date -
Nov 15, 2012
app pub date -
Mar 23, 2012
filing date -
May 11, 2011
priority date (Note) -
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Abstract
A dental hand instrument having an elongate handle sleeve, at the front end of which there is disposed a tool holder for holding a treatment tool, for example a dental drill, there is disposed inside the handle sleeve a driving mechanism for driving the treatment tool, the driving mechanism having at least two rotatably mounted shafts that are coupled to each other, and a sealing element is disposed in the coupling region of the two shafts inside the handle sleeve.
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Family
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