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® Coda Balloon Catheters $0.00 Add to cart Cook® Lunderquist DC Wire Guides $0.00 Add to cart Zenith Flex® $0.00 Add to cart Zenith® Branch $0.00 Add to cart Zenith® Fenestrated $0.00