| http://www.w3.org/ns/prov#value | - DESCRIPTION OF THE DRAWINGS [0039]FIG. 1 is a side view of a balloon catheter; [0040]FIG. 2 is a cross-section through a section of a single balloon side wall taken along the line 2-2 in FIG. 1; [0041]FIG. 3 is an assembly drawing of an extrusion crosshead; [0042]FIG. 3a is a cross-sectional view of the first crosshead disc in FIG. 3 according to one embodiment; [0043]FIG. 3b is a cross-sectional
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