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FLOW PULSATILITY DAMPENING DEVICES FOR CLOSED-LOOP CONTROLLED INFUSION SYSTEMS

  • US 20090131859A1
  • Filed: 11/16/2007
  • Published: 05/21/2009
  • Est. Priority Date: 11/16/2007
  • Status: Active Grant
First Claim
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1. A flow monitoring infusing system, comprising:

  • a fluid pathway for containing a fluid pumped at a non-continuous fluid flow;

    a dampening chamber in communication with the fluid pathway, the dampening chamber configured to hold a gas that absorbs pressure fluctuations of the non-continuous fluid flow to smoothen the non-continuous fluid flow; and

    a fluid flow sensor disposed along the fluid pathway downstream of the dampening chamber to measure the flowrate of the smoothened fluid flow.

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