Patent ID: 8747455

Claim:
An endovascular prosthesis delivery system for implanting a prosthetic device, the endovascular prosthetic delivery system comprising: a delivery catheter; a primary prosthesis disposed on the delivery catheter, the primary prosthesis comprising: a major lumen; a socket for receiving a secondary prosthesis, which secondary prosthesis is deployed in a branch artery, the socket having at least a portion that extends into the major lumen, said portion being angled in a proximal direction so as to direct blood flowing from the heart to the branch artery; and a fenestration in the wall of the socket sized to accommodate a preloaded guide wire; where the guidewire is preloaded directly within the major lumen of the primary prosthesis disposed on the delivery catheter prior to implantation and passes through the major lumen from a distal location, through the fenestration, and into the socket, said guide wire being configured to facilitate placement of the secondary prosthesis in the branch artery.