ORAL CAVITY CLEANING DEVICE
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United States of America Patent
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Issued Date -
Jan 23, 2025
app pub date -
Nov 24, 2022
filing date -
Nov 24, 2022
priority date (Note) -
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Abstract
The present disclosure provides an oral cavity washing device capable of changing a liquid flow of a washing liquid without increasing the number of parts. The oral cavity washing device according to the present disclosure includes a device body including a pump that discharges a washing liquid, and nozzle that is provided in the device body and discharges the washing liquid discharged by the pump to an outside, wherein nozzle includes narrow portion in such a manner that the sectional area thereof is set to be smaller than that of another portion of nozzle, and that the sectional area of narrow portion is variable.
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