PUMP ASSEMBLY, DRUG INJECTION APPARATUS HAVING THE SAME AND METHOD FOR DETECTING FLOW PATH BLOCKAGE
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Nov 1, 2024
filing date -
Nov 1, 2024
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Abstract
A pump assembly according to the present disclosure includes an electroosmotic pump that includes a monitoring chamber that is a subject for pressure measurement, and electrochemically generates a positive pressure and a negative pressure alternately to suck and discharge a transfer subject fluid; and a pressure monitoring unit that is coupled to one side of the monitoring chamber and measures an internal pressure of the monitoring chamber.
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