Patent ID: 7984636
Filing Date: 2011-07-26
Classification: A61F

Abstract:
1. A mandrel usable for expanding a medical device, the mandrel comprising: an elongate first tube portion having a first lumen and a first tube diameter; an elongate second tube portion extending from the first tube portion, the second tube portion being configured to receive a medical device and having a second tube diameter smaller than the first tube diameter, the second tube portion having a plurality of tube segments separated by a plurality of slots and a second lumen in communication with the first lumen, at least a portion of the plurality of tube segments being moveable outwardly to expand the medical device placed upon the second tube portion; and a transition region disposed between the first tube portion and the second tube portion, the plurality of tube segments and the plurality of slots extending from the transition region toward a cone at a distal end of the second tube portion, the cone being configured to limit outward movement of the plurality of tube segments, a proximal end of the tube segments and a proximal end of the plurality of slots terminating at the transition region and a distal end of the tube segments and a distal end of the plurality of slots terminating at the cone.