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Method and apparatus for delivering an agent to a kidney

  • US 9,144,509 B2
  • Filed: 10/12/2010
  • Issued: 09/29/2015
  • Est. Priority Date: 05/31/2007
  • Status: Expired due to Fees
First Claim
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1. A device comprising a catheter including:

  • a main body having a diffusion member delivery lumen through which a self-expandable diffusion member dimensioned for insertion within a blood vessel is advanced, the self-expandable diffusion member comprising a body, wherein the body comprises at least one fluid passage dimensioned to allow a blood flow within the vessel to flow through the body and create a region of turbulent blood flow within the blood vessel, anda drug delivery lumen positioned upstream to the self-expandable diffusion member, and wherein the drug delivery lumen is positioned around the diffusion member delivery lumen and configured such that a drug delivered through the drug delivery lumen flows through the at least one fluid passage of the self-expandable diffusion member and mixes with the blood in the region of turbulent blood flow.

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