Cook® Lunderquist DC Wire Guides Product Information This device is intended for complex diagnostic and interventional procedures where increased body, flexibility and low surface friction of the wire guide are needed. Related products Add to cart Cook® Extra Large Check-Flo – Introducers $0.00 Add to cart Zenith Flex® $0.00 Add to cart Zenith Thoracic $0.00 Add to cart Zenith® Branch $0.00 Add to cart Zenith® Fenestrated $0.00