| http://www.w3.org/ns/prov#value | - A method of advancing a guide wire to a location of interest, comprising the steps of;providing an elongated guide wire having proximal, intermediate and distal portions, the distal portion including a flexible distal tip portion; providing a flexible torquing sheath that is advanceable over a substantial length of the guide wire, the torquing sheath having proximal and distal ends and an intermed
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