Vacuum regulators with VAP features
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United States of America Patent
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Mar 11, 2014
Issued Date -
N/A
app pub date -
May 13, 2010
filing date -
May 13, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A vacuum regulator apparatus for continuous subglottic aspiration is provided. In one version, the regulator apparatus attaches to a standard vacuum regulator and shares the same vacuum supply outlet as the standard vacuum regulator. Sufficient airflow is provided through the regulator apparatus and calibrated bleed orifice to provide proper continuous subglottic aspiration. Vacuum levels to maintain the airflow are in a range suitable to provide patient comfort. A ball flow indicator provides visual indication of flow through a subglottic tube interface port of the regulator apparatus. A direct flow channel can be momentarily opened causing flow to bypass the regulator module in for clearing blockages affecting the subglottic tube interface port.
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