Cook® Endovascular Dilator Set Product Information Used for fascial tissue tract and vessel dilation prior to catheter introduction. The dilators that comprise the Endovascular Dilator Set are designed with hydrophilic-coated, long tapered dilator tips that provide over-the-wire trackability. Related products Add to cart Cook® Aurous Centimetre Sizing Catheter $0.00 Add to cart Cook® Beacon Tip Van Schie Seeking Catheters and Van Schie Over-The-Top Catheters $0.00 Add to cart Cook® Extra Large Check-Flo – Introducers $0.00 Add to cart Cook® Lunderquist Wire Guides $0.00 Add to cart Zenith Thoracic $0.00