Handpiece
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United States of America Patent
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Nov 22, 2016
Grant Date -
Nov 20, 2014
app pub date -
Jan 8, 2013
filing date -
Jan 12, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A hand piece includes a main body, an impeller, an air supplier, an exhauster and an exhaust controller. The impeller is received by the main body and is rotated in the main body. The air supplier is disposed at the main body and supplies an air to the impeller. The exhauster is disposed at the main body and exhausts the air supplied to the impeller. The exhaust controller is inserted into the exhauster and controls the exhaust of the air based on an air pressure exhausted from the exhauster.
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