Ureteral Access Sheath Aquaguide® 45 cm Size 1Aquaguide sheath is designed with a proprietary dual lumen design, providing you with a valuable second working channel for a variety of procedural steps such as irrigation, aspiration and injection of contras The second channel can be used to enhance flow for improved visibility, provide irrigation aspiration capabilities to simplify stone debris removal or provide an extra channel for instrumentation such as a safety wire Its the original multi