| http://www.w3.org/ns/prov#value | - A closure for sealing a puncture in a blood vessel comprising:a) a sheet adapted to conform to a blood vessel wall, the sheet having a top surface and a bottom surface, one of the top surface and the bottom surface having a plurality of barbs covering, distributed and interspersed throughout, the barbs being sufficient in number, and being positioned and configured so that a multiplicity of barbs
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