Patent ID: 8551157
Filing Date: 2013-10-08
Classification: A61F

Abstract:
1. Prosthetic conduit system comprising: an expandable main conduit having a first open end, a second open end, a main conduit wall extending therebetween, at least one opening through the main conduit wall, and an internal channel having an inner surface, an outer surface, a first open end located within the main conduit, and a second open end at the opening in the main conduit wall; an expandable secondary conduit extending through the internal channel and outwardly through the opening in the main conduit wall, the secondary conduit having a longitudinal axis extending between a first open end and a second open end of the secondary conduit, the secondary conduit having a secondary conduit wall extending between the first open end and the second open end of the secondary conduit, and an attachment portion extending outwardly at an angle of less than 90 degrees relative to the secondary conduit axis when in a deployed state and engaging a portion of the internal channel to constrain axial displacement of the secondary conduit relative to the main conduit, wherein the inner surface of the internal channel comprises at least one protuberance extending generally radially inwardly therefrom, wherein the attachment portion engages the protuberance on the inner surface of the internal channel to constrain axial displacement of the secondary conduit relative to the main conduit at least in a direction of blood flow therethrough.