Patent ID: 8834499
Filing Date: 2014-09-16
Classification: A61B,A61F,A61M

Abstract:
1. An apparatus for creating a venous valve from autologous tissue, the apparatus comprising: a catheter having a radially-expandable component, wherein the catheter includes at least one delivery shaft defining a delivery lumen and having a port that is positioned on one side of the radially-expandable component; and a retractable dissecting system including a core element slidingly received within a central lumen of the catheter and at least one proximally-extending extension wire coupled to a distal end of the core element, wherein the extension wire includes at least one expandable dissecting component slidingly disposed within the delivery lumen and operable to exit the port to form a subintimal longitudinal dissection of a vein wall that separates at least intimal tissue from remaining tissue of the vein wall.