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DISTAL PROTECTION DEVICE WITH LOCAL DRUG INFUSION BY PHYSICIAN TO MAINTAIN PATENCY

  • US 20090012468A1
  • Filed: 09/18/2008
  • Published: 01/08/2009
  • Est. Priority Date: 11/07/2001
  • Status: Abandoned Application
First Claim
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1. Apparatus for maintaining patency of an apertured device implanted in a vessel in an animal body through which fluid flow occurs, comprising:

  • a patency maintenance drug introduction head, positionable in the vessel proximate and upflow relative to the device, for dispensing a patency maintenance drug;

    an elongate member having a lumen therethrough, a distal end in fluid communication with a cavity in said drug introduction head and a proximal end remote from said introduction head and external to the body of the animal;

    a reservoir at said proximal end of said elongate member and in fluid communication with said lumen; and

    a charger, associated with said reservoir, for volitionally urging patency maintenance drug in the reservoir into and through said lumen, into said cavity and into the vessel at said introduction head.

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