The Quick Connect™ Jacket Adaptor is designed for researchers who prefer woven rodent jacket over an elastomeric harness for continuous or intermittent infusion. The Jacket Adaptor utilizes the same luer design as the but connects securely to a cloth with Velcro and can be adjusted as the animal grows. The Jacket Adaptor comes in two sizes to fit a range of sizes and types. Catheter material, wall thickness and elasticity all influence how well the catheter fits the harness. Ask about our sizing kit to ensure a proper fit. Jackets come in a wide range of sizes to fit any size rodent.US Patent No. 7,665,424.