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Dilators designed for mechanically augmenting the diameter (caliber) of the internal layer of fibrous tissue (i.e., the fascia) of the vasculature facilitating the introduction of dedicated catheters. These dilators typically consist of a radiopaque plastic shaft with a long distal tapered end that is located over the guidewire, facilitating an effective dilation prior to catheter introduction. Dedicated endovascular fascial tissue dilators are intended for catheterization procedures performed in the vasculature (e.g., iliac arteries); they are usually supplied for single use in sterile packages.
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