PUMP CONTROLLER AND CONTROL METHOD WITH TEMPERATURE INTEGRATION AND/OR COMPLIANCE DETERMINATION

A method includes calculating a volume of fluid in a pumping chamber when the chamber is not full or empty based on pressure and temperature measurements taken during a negative full-volume state, a positive full-volume state, and an empty-volume state, and an infusion system includes a controller c...

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Bibliographische Detailangaben
Hauptverfasser:	Powers, Benjamin, Scarsella, Michael, Gonzalez, Lino
Format:	Patent
Sprache:	eng
Schlagworte:	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 HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	A method includes calculating a volume of fluid in a pumping chamber when the chamber is not full or empty based on pressure and temperature measurements taken during a negative full-volume state, a positive full-volume state, and an empty-volume state, and an infusion system includes a controller configured to carry out such calculation. Such method, or a separate method, may measure temperature and pressure of a common volume and a pumping chamber, wherein the pressure is measured using a pressure sensor and the temperature is measured using a temperature sensor, optionally one that measures the temperature of the pressure sensor, and calculate a volume of fluid in the pumping chamber based on ideal gas law and the pressure and temperature measurements, and such infusion system, or a separate system, includes a controller configured to carry out such measurement and calculation.