Patent ID: 9186094
Filing Date: 2015-11-17
Classification: A61B,A61F,A61M

Abstract:
1. A method for determining an axial alignment of an axis of an elongated member of a catheter relative to an axis of a tubular member of the body, said method comprising: providing a balloon disposed at a distal end of said elongated member, said balloon having a first semi-compliant region, said first semi-compliant region having a first span of radiopaque markers comprising a variable ring of radiopaque markers, inflating said balloon to place said variable ring immediately adjacent with the tubular member of the body, measuring major and minor diameters of said variable ring via an imaging camera, so as to determine said axial alignment of said axis of said elongated member relative to said axis of the tubular member, said major diameter extending between the furthest portions of said variable ring and said minor diameter extending between the closest portions of said variable ring.