Abstract: Systems and method for using a sleeve for enhanced drug delivery are described. The sleeve may incorporate porous materials and may be coated or treated with various drugs and/or therapeutic agents. The sleeve may be utilized in cooperation with balloon catheters and/or other devices. When acting as a reservoir for holding various drugs and/or therapeutic agents, the drug delivery sleeve provides a means of reducing drug losses as well as a controlled mechanism for drug release. The materials for the sleeve, constructed by various techniques, may be circumferentially distensible, may be elastic, and may have varying degrees of recoil as needed for any particular purpose.

Abstract: The present invention provides apparatus and methods for a conduit, such as an implantable conduit for a vessel. The conduit may comprise a main member and a side-branch member. The conduit may be implanted with the side-branch member initially disposed within the main member. When positioned, the side-branch member may then be extended from within the main member and into a vessel side-branch. The materials for the conduit may include circumferentially distensible and/or low recoil materials. The materials for the conduit may be constructed by various techniques and may include materials with enhanced flexibility and kink resistance.