| 摘要 |
The invention aims to facilitate the manipulation of a catheter comprising a flexible and tubular base element, whose diameter it is attempted to reduce to an ever greater extent, a coupling element and a relief sheath.
<??>In order to facilitate the manipulation and in particular the rotation of the base element (2) about its axis upon introduction of the catheter into the patient, the relief sheath (5), via which the base element (2) is fixed for relieving stresses in the coupling element (6), is provided with a profiled outer surface, in particular a grooved (7, 8) or knurled surface.
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