The present disclosure relates a device for joining a first body vessel to a second body vessel, including an inner member having a distal end portion and defining a longitudinal axis, an outer member defining a lumen dimensioned to receive the inner member therein, and a radially expandable anchor disposed at the distal end of the inner member, the expandable anchor having an initial condition wherein the expandable anchor is disposed between the outer member and the inner member and an expanded condition wherein the expandable anchor is radially larger than the expandable anchor in the initial condition.
