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Lateral flow diagnostic devices with instrument controlled fluidics

  • US 20050047972A1
  • Filed: 08/28/2003
  • Published: 03/03/2005
  • Est. Priority Date: 08/28/2003
  • Status: Active Grant
First Claim
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1. An injector pump for delivering fluid to a fluid receiving location of a fluid receiving device, comprising:

  • an initially dry fluidic path having a fluid application end for accepting fluid and an effluent end for delivering fluid to the receiving location, the fluidic path automatically filling with fluid up to the effluent end upon fluid application to the application end;

    an isolator for fluidically isolating the effluent end from the receiving location to prevent passive fluid flow from the effluent end when the fluidic path includes a fluid;

    driving means for electro-osmotically pumping fluid out of the effluent end of the fluidic path element and across the isolator to the fluid receiving location; and

    a sealing element for sealing the fluidic path along a perimeter thereof to prevent fluid flow from the fluidic path at the perimeter during electro-osmotic pumping.

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