Capacitance-based dose measurements in syringes
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United States of America Patent
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Mar 5, 2002
Issued Date -
N/A
app pub date -
Aug 22, 2000
filing date -
Jul 22, 1994
priority date (Note) -
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status (Latency Note)
Importance
Abstract
Measurements of insulin quantities in a syringe are performed capacitively in an integrated insulin dose recorder/blood glucose meter. The syringe is placed in a holder before and after the administration of the dose. Capacitor electrodes may be situated within the syringe and/or outside the syringe in various geometries. Liquid quantities in the syringe are determined by comparing capacitive response patterns of the syringe with calibration data stored. in the device. Dose histories are downloaded to a patient computer for transfer to a clinician's computer. Standard or customized syringes may be used.
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