Patent ID: 7621946

Claim:
An implantable medical endoprosthesis delivery system, comprising: an inner member having a first lumen disposed therein; an outer member at least partially surrounding the inner member so that a second lumen is disposed between the inner and outer members, the second lumen being configured so that an implantable medical endoprosthesis can be disposed therein; a hub including a fluid introduction port, a first fluid flow path in fluid communication with the fluid introduction port, and a second fluid flow path in fluid communication with the fluid introduction port; wherein the first flow path is in fluid communication with the first lumen and the second flow path is in fluid communication with the second lumen; wherein the hub comprises a body having a proximal face, a distal face, and a bore extending from the proximal face through the body to the distal face, the bore being in fluid communication with the first and second lumens wherein the body comprises: a first section that defines a first portion of the bore; and a second section proximal the first section, the second section defining a second portion of the bore; wherein the first portion of the bore receives a proximal end of the outer member, the second portion of the bore receives a proximal end of the inner member, and the second portion of the bore includes a channel that defines at least a portion of the second fluid flow path; and wherein the first portion of the bore has a diameter larger than a diameter of the second portion of the bore.