NASAL CANNULA AND TUBING WITH VENTILATOR SYSTEM
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United States of America Patent
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Issued Date -
May 6, 2021
app pub date -
Jan 15, 2021
filing date -
Jun 10, 2019
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Abstract
A nasal cannula system for use in ventilator systems, particularly continuous positive airway pressure (CPAP) systems. The nasal cannula system has a nasal body with nare prongs that extend into a patient's nostrils when worn. The ventilator system includes a ventilator on an inhalation side and either a bubble chamber or a variable resistance valve on the exhalation side. The inhalation side may include a heater/humidifier in-line with the supply tube so as to treat the air before application. The airway tube may have a generally semi-circular cross-section so as to provide a flat exterior surface for abutment or contact with a patient's skin.
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