Importance

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Abstract

An implantable valve composed of a frame structure monolithically formed and covered with a biocompatible coating or soft structure. The implantable valve can have various shapes, openings, anchoring sites, attachment sites and is flexible, expendable, and easy to attach to body tissue. In some embodiments, the implantable valve is made by first determining a two or three dimensional configuration of the frame structure, which has an open end and a tapered end. The configuration may be scaled to obtain a desired size, e.g., length and diameter. One or more frame structure may be cut, stamped, etched, or machined from a single material, which could be metal or plastic with various thickness profiles and may have superelasticity and/or shape memory. The biocompatible coating selectively seals the valve to control/prevent fluid passage. To enhance bonding, the frame structure surface is treated with etching, polishing, sand blasting, plating, nanotechnology surface modification, etc.

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First Claim