Air-bubble-monitoring medication assembly

Air-bubble-monitoring medication assembly

An air-bubble-monitoring medication assembly includes a drug infusion subassembly (12) having a tube (18) for administering therein a liquid (20) to a patient (22), a bubble-size determinator which is positioned to sense an air bubble (24) entrained in the liquid in the tube and which determines the...

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Hauptverfasser: KATZ, HAL H, NIKLEWSKI, PAUL J, BISHOP, GREGORY D
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Sprache:eng ; fre ; ger
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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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creator KATZ, HAL H
NIKLEWSKI, PAUL J
BISHOP, GREGORY D
description An air-bubble-monitoring medication assembly includes a drug infusion subassembly (12) having a tube (18) for administering therein a liquid (20) to a patient (22), a bubble-size determinator which is positioned to sense an air bubble (24) entrained in the liquid in the tube and which determines the volume of the air bubble, and an analyzer (16). The analyzer logs the time the detector senses an air bubble and the volume of the air bubble, calculates a running sum of a total air volume of all air bubbles sensed over a time interval, compares the running sum with a preselected limit, and generates an output when the running sum exceeds the preselected limit. The medical system additionally includes a controller assembly (28) which determines a delivery schedule for administering the liquid and which controls the drug infusion subassembly to administer the liquid in accordance with the determined delivery schedule. The method performs the analyzer functions.
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The analyzer logs the time the detector senses an air bubble and the volume of the air bubble, calculates a running sum of a total air volume of all air bubbles sensed over a time interval, compares the running sum with a preselected limit, and generates an output when the running sum exceeds the preselected limit. The medical system additionally includes a controller assembly (28) which determines a delivery schedule for administering the liquid and which controls the drug infusion subassembly to administer the liquid in accordance with the determined delivery schedule. 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subjects 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
title Air-bubble-monitoring medication assembly
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