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Configuration of single and dual lumen catheters with 1 lumen filled with the mixture of S-nitroso-N-acetyl-D-penicillamine (SNAP) and poly(ethylene glycol) (PEG). Single lumen catheter tubing was Tygon 3350 with I.D. 0.79 mm and O.D. 2.38 mm. Cook dual lumen silicone catheters have an O.D. 2.34 mm and lumen dimensions of (maximum width × height): NO-releasing lumen (1.27 × 0.64 mm) and vascular access lumen (1.14 × 0.48 mm).
