| http://www.w3.org/ns/prov#value | - The catheter shaft could also be made of a metal, such as stainless steel (ss hypotube, for example), Nitinol or the like, optionally with a lubricious exterior added thereto, such as a hydrophilic coating (for example, as described in U.S. Pat. No. 5,693,034, incorporated herein by reference) or silicone coating.
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