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Endovenous device for dispersing a dilating agent

  • US 7,657,323 B2
  • Filed: 07/25/2005
  • Issued: 02/02/2010
  • Est. Priority Date: 10/29/2001
  • Status: Expired due to Fees
First Claim
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1. A medical electrical lead device, comprising:

  • an elongated flexible lead body having a distal end portion and a proximal end portion, the lead body being adapted for insertion through a superior vena cava of a patient and passage through a coronary sinus of a patient to position the distal end within a cardiac vein adjacent to a left ventricle of a patient;

    an electrode coupled to the distal end of the lead body;

    means coupled to the distal end of the lead body for anchoring the electrode within the cardiac vein; and

    means formed at the distal end portion of the lead body proximal to the electrode for dispersing a vasodilating agent within a vessel during insertion and passage of the lead body to position the distal end within the cardiac vein, wherein the vasodilating agent is delivered along the lead body to the means for dispersing from the proximal end, and wherein the means for dispersing includes a plurality of apertures formed in the lead body to disperse the vasodilating agent.

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