| http://www.w3.org/ns/prov#value | - By having a plug 80 as close to the tip as possible, and by having the entire distal end secured by the shrink jacket tubing 30, a physician may drive the catheter 5 down a body lumen by pushing a tool such as a stylet 95 seen in FIG. 3 which is within the treatment lumen 20 rather than by pushing the catheter shaft.
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