Dental treatment and/or examination assembly, dental coupling unit, and method for flushing the liquid-conducting system of a dental treatment and/or examination assembly
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United States of America Patent
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Aug 11, 2020
Grant Date -
Nov 7, 2019
app pub date -
Jun 22, 2017
filing date -
Jun 22, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a dental coupling unit (1), which can be detachably coupled to an instrument attachment (2) for dental treatment and/or examination at the front end (11) of the coupling unit and also can be connected to a supply unit (3) for providing supply media for the instrument attachment (2), wherein a media supply line (4) extends through the coupling unit (1) toward the instrument attachment (2) and wherein additionally a media return line (5) extends through the coupling unit (1), which media return line is connected to an end region of the media supply line (4) extending through the coupling unit (1), which end region faces the instrument attachment (2). The coupling unit (1) has a valve assembly (6), which conducts the liquid from the coupling unit (1) to the instrument attachment (2) when the instrument attachment (2) is attached and conducts the liquid to the media return line (5) and blocks the escape of the liquid at the front end (11) of the coupling unit (1) when the instrument attachment is not attached.
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