Patent ID: 7175644
Filing Date: 2007-02-13
Classification: A61B,A61F

Abstract:
1. A implantable conduit for maintaining the patency of an opening in tissue, the conduit being detachable from a balloon catheter for remote implantation within the opening, the conduit comprising: a center section having a first end and a second end and a central axis extending between said ends, a passageway within said center section extending between said ends, said center section having a wall; and a plurality of independent extension members extending from both of the first and second ends of the center section where each extension member is unconnected to an adjacent extension member such that the extension member is independently moveable relative to the adjacent extension member, said extension members having a wall; wherein at least a portion of said wall of each said extension members has a weakened section comprising a reduced cross-sectional wall thickness such that said extension members may bend at said respective weakened section when an outward radial force is applied thereto such that each extension member flares independently to form a cuff or grommet shape to keep the conduit within the tissue opening.