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Disposable infusion device with redundant valved safety

  • US 7,976,500 B2
  • Filed: 06/26/2008
  • Issued: 07/12/2011
  • Est. Priority Date: 06/26/2008
  • Status: Active Grant
First Claim
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1. A wearable infusion device comprising:

  • a reservoir that holds a liquid medicament;

    an outlet port that delivers the liquid medicament to a patient;

    a pump that displaces a volume of the liquid medicament when actuated; and

    at least a first valve, a second valve, and a third valve, the valves establishing fluid connection between the reservoir and the pump when in a first valve configuration and establishing fluid connection between the pump and the outlet when in a second valve configuration, wherein at least two of the valves are closed to prevent fluid flow from the reservoir to the outlet when the valves are in the first valve configuration, wherein the first, second, and third valves comprise a shuttle valve.

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