Ventilation sound detection system
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United States of America Patent
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Mar 8, 2005
Grant Date -
Jan 29, 2004
app pub date -
Jul 25, 2002
filing date -
Jul 25, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A ventilation sound detection system includes an audible display that emits a series of sounds based upon information provided by a ventilator. In particular, there are two different sound patterns emitted by the system. One sound represents inspiration and the other sound represents expiration. The inspiration sound is enunciated when monitored breathing pressure crosses a threshold level, thereby communicating to an anesthesiologist/clinician that a significant pressure has been developed in the breathing circuit (e.g., a proper inspiration breath has been taken by the patient). The exhalation sound is enunciated when the rising edge of a valid CO.sub.2 breath has been returned to the breathing circuit (e.g., a proper exhalation breath has been made). Accordingly, the system provides the anesthesiologist/clinician with a new way of verifying that the patient is being properly ventilated. Therefore, ventilation changes or problems can be identified quickly and effectively.
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