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Continuous fluid delivery system

  • US 9,057,363 B2
  • Filed: 12/10/2008
  • Issued: 06/16/2015
  • Est. Priority Date: 12/10/2007
  • Status: Expired due to Fees
First Claim
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1. A fluid pumping device, comprising:

  • a pump housing comprising a base member comprising a plurality of inlet ports and at least one outlet port; and

    a pair of opposing pistons movably associated with the base member, wherein the pair of opposing pistons at least in part define a pumping chamber of the fluid pumping device therebetween, and are independently controlled such that any one of the plurality of inlet ports or the at least one outlet port is independently selectable to be in fluid communication with the pumping chamber.

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