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The Dual Lumen Extended Length Catheter (dELC) is indicated for use up to 72 hours in attaining vascular venous access for use with the Aquadex FlexFlow® and Aquadex SmartFlow® systems for ultrafiltration therapy. It is not for pediatric use. The catheter is not intended for the infusion of medications or fluids, for laboratory sampling, or other venous access needs.

The Dual Lumen Extended Length Catheter (dELC) is a 6F reverse-tapered dual lumen venous access device with stainless steel coil reinforcement. It is inserted into peripheral venous circulation by way of a peel away introducer. The catheter is intended for short-term use with the Aquadex FlexFlow® and Aquadex SmartFlow® Systems in attaining vascular venous access for ultrafiltration treatment of patients with fluid overload. It has two models, 320101 and 320102, with identical hub designs but different effective (insertable) shaft lengths, 12 cm and 16 cm, to adapt to the patient's body size. The catheter has a radiopaque polyurethane shaft with two equal-sized inner lumens designed in a "double D" configuration. The shaft has a reverse-tapered design to minimize resistance to flow. Its outside diameter starts at 6F on the distal end and tapers back to 7F on the proximal end. The shaft with reinforcement provides kinking resistance and ensures consistent flow. the Catheter has female ISO 80369-compliance Luer connectors to connect with the Aquadex blood tubing set for withdrawal and infusion. Each extension tube has a clamp: blue on the blood withdrawal tube and white on the blood infusion tube. The blood is drawn up through the withdrawal lumen, which is proximal to the infusion lumen. The skived offset tip is designed to minimize blood recirculation.