Inhalation/Exhalation respiratory phase detection circuit
An apparatus (10) for controlling the pressure of a respiratory gas delivered to a patient includes a phase detection circuit (24) for determining the inhalation and exhalation phases of the patient's respiratory cycle. More particularly, a flow signal representative of the respiratory flow is...
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| creator | PHILLIPS, STEVEN L HOLSCHER, RUSSELL L LASNIER, CHRISTOPHER D |
| description | An apparatus (10) for controlling the pressure of a respiratory gas delivered to a patient includes a phase detection circuit (24) for determining the inhalation and exhalation phases of the patient's respiratory cycle. More particularly, a flow signal representative of the respiratory flow is compared to second signal, offset in time and scaled in magnitude relative to the flow signal, in order to determine the transition from one phase to the next. |
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| language | eng ; fre ; ger |
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| subjects | BASIC ELECTRONIC CIRCUITRY DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY ELECTRICITY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PULSE TECHNIQUE |
| title | Inhalation/Exhalation respiratory phase detection circuit |
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