Patent ID: 8062321
Filing Date: 2011-11-22
Classification: A61B,A61F

Abstract:
1. A catheter system for piercing a first wall of a first blood vessel and a second wall of a second blood vessel to create a fistula between the blood vessels, the system comprising: a catheter having a tubular wall with an outer surface, a first lumen and a distal end insertable to a position wherein the distal end is adjacent a site within the first blood vessel for the fistula; a piercing tool for creating the fistula, the piercing tool disposed within and extendable from the first lumen; a first opening through the tubular wall and configured to receive the piercing tool from the lumen and direct it outwardly in a first direction relative to the catheter; and a second opening through the tubular wall and circumferentially aligned with the first opening, said second opening configured to receive the piercing tool from the lumen and direct it outwardly in a second direction relative to the catheter, the second direction being different from the first direction.