Patent ID: 8996095
Filing Date: 2015-03-31
Classification: A61B,A61M,F04C

Abstract:
1. A guide extension catheter, comprising: a push member having a proximal portion with a proximal stiffness, a distal portion with a distal stiffness different from the proximal stiffness, and a transition portion disposed between the proximal portion and the distal portion; wherein the transition portion provides a smooth transition between the proximal stiffness and the distal stiffness; wherein the transition portion of the push member comprises a curved ribbon having a length and an arcuate cross-sectional profile that tapers along the length of the curved ribbon; wherein the proximal portion of the push member has a first outer diameter; a distal tubular member attached to the push member and extending distally from the push member; and wherein the distal tubular member has a second outer diameter larger than the first outer diameter.