Disposable assembly for drug infusion with pressure sensing for identification of and injection into fluid-filled anatomic spaces
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United States of America Patent
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Mar 16, 2021
Grant Date -
Mar 8, 2018
app pub date -
Oct 27, 2017
filing date -
Jul 3, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A disposable fluid flow assembly for operation in connection with a fluid pump configured to provide a flow of fluid to the disposable fluid flow assembly is provided. The disposable fluid flow assembly includes an elongated flexible tube, a needle hub connected with the flexible tube, a pressure sensor for sensing fluid pressure, and an identification circuit embedded connected with the pressure sensor. The identification is configured to provide a plurality of signals to the central controller of the fluid pump when the disposable needle assembly is connected with the fluid pump. The plurality of signals may include various signals, such as a signal to identify physical characteristics of the assembly, a signal to ensure that the assembly is authentic, a signal to ensure that the disposable assembly is not re-used, and/or a signal to ensure that the pressure signal is connected and operating properly.
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