| http://www.w3.org/ns/prov#value | - For example, materials other than Pebax (???), silicone, latex rubber, C-Flex (???), Nusil (???) and gels, which are known to possess adequate surface properties to function as a sealer portion, and also be lubricous enough to be moved within lumen 40, may also be used to form sealer portion 36.
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