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Drug supply system for CED (convection-enhanced delivery) catheter infusions

  • US 7,972,305 B2
  • Filed: 11/14/2008
  • Issued: 07/05/2011
  • Est. Priority Date: 11/14/2007
  • Status: Active Grant
First Claim
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1. A drug supply system for CED (convection-enhanced delivery) catheter infusions, comprising:

  • a drug conducting system configured to provide a fluid seal between a drug to be administered and other fluids of the drug supply system, the drug conducting system includingi) a drug depot for storing the drug to be administered, andii) a catheter supply line coupled to said drug depot;

    a conveying device configured to convey the drug from the drug depot into the catheter supply line; and

    a conveying fluid conveying system arranged between the conveying device and the drug conducting system, said fluid conveying system connected to the drug depot via a drug displacement element, and connected to the conveying device,wherein the conveying fluid conveying system comprises a line system including a three-way distributor and/or a reflux valve arranged in the line system.

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