PMC5292864_01
Silhouette Transitionless  catheter with internal dilator in place and 0.018" wire (Cook Critical Care, Bloomington, Indiana)
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F1
The Silhouette Transitionless  dilator is placed through the catheter and locked into place. The dilator and catheter are then advanced over the 0.018" wire and into the vein [Figure 1].
5 French catheter (above) with internal dilator removed (below). The dilator is threaded through the catheter and locked into place. It can then be advanced over the 0.018" wire and into the vein. The wire and the dilator are removed, leaving the 5 French catheter in the vein
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F2
The dilator is then unhooked and removed, leaving the 5 Fr catheter in place [Figure 2].
After the dilator (bottom) has been removed, the 0.035" wire (above) passes easily through the 5 French catheter (middle) and into the vein. Once the wire is in the vessel, the 5 French catheter is removed. The dilators for the dialysis catheter are passed over the wire to dilate the tract followed by placement of the 8-9 Fr dialysis catheter
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F3
The internal lumen of this 5 Fr catheter is large enough to allow placement of a 0.032-0.035" wire through it [Figures 3 and 4].
The 0.035" wire for eventual placement of the 8-9 French dialysis catheter passes easily through the 5 French catheter
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F4
The internal lumen of this 5 Fr catheter is large enough to allow placement of a 0.032-0.035" wire through it [Figures 3 and 4].