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Methods and Kits for Volumetric Distribution of Pharmaceutical Agents via the Vascular Adventitia and Microcirculation

  • US 20140303569A1
  • Filed: 03/11/2014
  • Published: 10/09/2014
  • Est. Priority Date: 01/22/2002
  • Status: Active Grant
First Claim
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1. A catheter comprising:

  • a catheter body;

    a needle having an aperture and being deployable from the catheter body to advance beyond an external elastic lamina (EEL) of a blood vessel wall and into adventitial tissue surrounding a lumen of the blood vessel; and

    means coupled to the needle for detecting when the aperture of the needle has advanced beyond the EEL.

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