Abstract: Embodiments of the invention include a method for treating an aneurysm, comprising: providing a biocompatible polymeric sleeve, string or coil or combination of sleeve, string or coil, made from a material selected from one or more of a group consisting of an acrylamide, a methacrylate, cyclodextran, synthetic elastin polymer, poly chelating amphiphilic polymers, hydrogels, hyaluronic acid conjugates, polyanhydrides, glycolipids, polysaccharides, and halamines, natural hydrogel, a synthetic hydrogel, silicone, polyurethane, polysulfone, cellulose, polyethylene, polypropylene, polyamide, polyimide, polyester, polytetrafluoroethylene, polyvinyl chloride, epoxy, phenolic, neoprene, polyisoprene, and a combination thereof; transporting the sleeve, string or coil to an aneurysm; filling the aneurysm with the sleeve, coil, or string; and detaching the sleeve, string or coil