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Fluid delivery systems, injector systems and methods of fluid delivery

  • US 6,699,219 B2
  • Filed: 10/28/2002
  • Issued: 03/02/2004
  • Est. Priority Date: 04/21/2000
  • Status: Expired due to Term
First Claim
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1. A fluid delivery system comprising:

  • a first pump system comprising a prefilled syringe including sufficient injection fluid for multiple injection procedures;

    a second pump system comprising a syringe operable to be filled with an amount of injection fluid sufficient for at least one injection procedure;

    a patient interface in removable fluid connection with the first and second pump systems;

    a fluid path in fluid connection between the first and second pump systems and the patient interface, the fluid path comprising a connector comprising a housing defining a first inlet, a second inlet and an outlet and a sealing member at least partially disposed within the housing, the sealing member being adapted to extend outward from an interior of the housing of the connector to be at least generally flush with the outlet of the connector to facilitate cleaning of an outward facing surface of the sealing member and being biased to close the outlet when the patient interface is disconnected from the connector, the first and second pump systems being in fluid connection with the respective first and second inlets of the connector and the patient interface being in removable fluid connection with the outlet of the connector;

    a first check valve in fluid connection between an outlet of the syringe of the first pump system and the first inlet of the connector; and

    a second check valve in fluid connection between an outlet of the syringe of the second pump system and the second inlet of the connector, the first and second check valves operable to control flow of fluid with respect to the respective first and second pump systems.

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