INFUSION APPARATUS AND METHOD FOR TESTING EXTRAVASATION
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United States of America Patent
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Issued Date -
May 25, 2023
app pub date -
Oct 4, 2022
filing date -
Nov 19, 2021
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Abstract
An infusion apparatus and a method for testing extravasation are provided. The infusion apparatus includes a liquid driver, a detection unit, and a controller. The controller controls the liquid driver to be operated, so that an input liquid provided by a infusion supply unit is injected into a living body through a tube and a needle, and a blood return detecting procedure is performed. The blood return detecting procedure includes a stop driving step implemented by controlling the liquid driver to stop operating; and a determining step implemented by controlling the detection unit to test a state of a section of the tube adjacent to the needle to generate a detected signal, and determining whether or not the blood of the living body returns to the tube according to the detected signal.
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