| http://www.w3.org/ns/prov#value | - Inner tubular member 40 may be formed from a fluoropolymer such as polytetrafluoroethylene (PTFE), a polyamide such as nylon, a polyolefin, a polyimide, or other materials which provide a generally lubricious inner lumen for passing the second inner catheter and through which an elongated medical device.
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