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Catheters and related devices for forming passageways between blood vessels or other anatomical structures

  • US 9,713,483 B2
  • Filed: 03/06/2014
  • Issued: 07/25/2017
  • Est. Priority Date: 10/13/1995
  • Status: Expired due to Fees
First Claim
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1. A catheter device, comprising:

  • an elongate flexible catheter having a distal portion insertable into a blood vessel of a human subject;

    a tissue penetrating member configured to extend in a first direction from the distal portion of the catheter;

    a balloon exit port in the distal portion of the catheter at a location diametrically opposite a location from which the tissue penetrating member extends;

    a balloon which, when inflated, protrudes out of the balloon exit port in a second direction opposite the first direction; and

    a lumen extending through the catheter and useable for inflation and deflation of the balloon.

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