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Implantable composite device and corresponding method for deflecting embolic material in blood flowing at an arterial bifurcation

  • US 20040010308A1
  • Filed: 07/10/2003
  • Published: 01/15/2004
  • Est. Priority Date: 01/18/2000
  • Status: Abandoned Application
First Claim
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1. An implantable device implantable in an artery of a patient at a bifurcation thereof into a first branch supplying blood to a vital region having a high sensitivity to emboli in the blood, and a second branch supplying blood to a less vital region having a lower sensitivity to emboli in the blood;

  • said implantable device being of tubular configuration initially of a small diameter for facilitating its introduction into and deployment through the artery to said bifurcation, and expandable to a larger diameter for implantation in the artery and said bifurcation;

    said implantable device comprising;

    a base element configured and dimensioned for anchoring said implantable device in the artery at said bifurcation; and

    a deflector element configured and dimensioned for covering the inlet of said first branch at the bifurcation when said implantable device is implanted in said artery;

    said deflector element being formed with openings therethrough of a size and configuration to deflect emboli in the blood to said second branch without blocking blood flow through said second branch or through said first branch;

    said base element including an anchoring portion engageable with the inner surface of the artery for anchoring the implantable device therein, and a supporting portion engageable with a surface of said deflector element for fixing said deflector element over said inlet of said first branch at said bifurcation when the implantable device is anchored in said artery;

    said deflector element being attached to said supporting portion of the base element to produce a composite construction.

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