DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic of a catheterization device.
FIG. 2 is an elevation view of an embodiment of the transport tube of the invention.
FIG. 3 is a partial side planar view of a transport tube of the invention showing corrugated and convoluted contraction regions having crests and ridges.
FIG. 4 is a partial side sectional view of a contraction region of the invention in compressed and non-compressed state, and having a sheath.
FIG. 5 is a partial side sectional view of the contraction region fully compressed and having a sheath with a locking junction.
FIG. 6 is a partial side planar view of a helically coiled transport tube of the invention.
FIG. 7 is a partial side sectional view of a contraction region of the transport tube and a sheath.
FIG. 8 is a partial side sectional view of a transport tube with a contraction region and a sheath in two sections having stop notches.
FIG. 9 is a partial side sectional view of a helically coiled contraction region having a sheath with a conical cap.