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Microflow analytical system

  • US 8,431,412 B2
  • Filed: 07/06/2012
  • Issued: 04/30/2013
  • Est. Priority Date: 05/29/2009
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a laminate pump assembly defining a plurality of flow paths, each flow path of the plurality of flow paths extending between an inlet passage and an outlet passage;

    a plurality of fluid sources connected to the laminate pump assembly, each fluid source of the plurality of fluid sources being connected to a different one of the plurality of flow paths; and

    a mixer connected to the outlet passage of each flow path of the plurality of flow paths,wherein each flow path of the plurality of flow paths extend through an inlet valve, a pump valve, and an outlet valve, andwherein the inlet valve, the pump valve and the outlet valve each comprise a chamber and a membrane dividing the chamber so as to define a fluid flow chamber and a control chamber, the control chamber being configured to expand in response to a control fluid entering the control chamber and collapse in response to the control fluid exiting the control chamber.

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