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Centros® & CentrosFLO® Hemodialysis Catheters

The Centros (without side holes) and the CentrosFLO™ (with side holes) long-term hemodialysis catheters feature self-centering curved tips which automatically center the catheter ports within the middle of the vessel to maintain optimal blood flow and minimal recirculation rates, and enhance overall catheter performance. Designed by Dr. Stephen Ash, the 15F catheters feature a large internal lumen which allows for a flow rate up to 450 mL/minute.

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    Features & Benefits

    Centered on Performance

    The high performance CentrosFLO® long-term hemodialysis catheter from Merit Medical was designed with performance, safety, and ease of use in mind. The new SELF-CENTERING, curved-tip catheter has a greater separation between the arterial and venous tips. Its design is intended to optimize CATHETER PATENCY, and reduce fibrin sheath formation, thrombosis and vessel wall occlusions by keeping the tips of the catheter centered in the vessel and away from the vessel wall. Fibrin sheaths are a frequent cause of catheter malfunction and in a study of removed or exchanged hemodialysis catheters, 76% had fibrin sheaths.1,2,3 The CentrosFLO was designed for PERFORMANCE, SAFETY AND EASE OF USE.

    Preshaped Curved Tips

    stabilize and center the catheter in the junction of the Superior Vena Cava (SVC) and Right Atrium (RA).

    Distal Venous and Arterial Side Holes

    reduce intraluminal pressure and the likelihood of the catheter tips sucking up against the vessel wall.

    Large Internal Lumen

    allows for a flow rate up to 450 mL/min.

    Safety

    Atraumatic Catheter Tip Design

    minimizes puncture or irritation of vessel walls.

    Non-Traumatic Tunneler

    for more rapid loading of the catheter without risk to catheter tips.

    Multiple Catheter Length Configurations

    accommodate variations in patient anatomy.

    Study Results

    A recent retrospective study conducted by Dr. Sarvan Balamuthusamy compared the performance of the self-centering split-tip hemodialysis tunneled catheter and the symmetric tip catheter. The results indicated that the self-centering split-tip catheter had statistically greater patency after 3 months with a slight advantage in clearance and blood flow.4

    Centros Chart

    1 Mean value during the three-month follow-up period
    2 Mean clearance and mean blood flow did not include data from the patients with no catheter patency.
    3 NSD = Not Statistically Significant, p > 0.05 (t-tests)

    1 Crain, MR, Horton, MG, Mewissen, MV. Fibrin sheaths complicating central venous catheters. AJR.1998 Aug;171:341-346.
    2 Forauer AR, Theoharis GA, Dasika NL. Jugular vein catheter placement: histologic features and development of catheter-related (fibrin) sheaths in a swine model. Radiol. 2006 Aug;240(2)427-434.
    3 Alomari, AI, Falk, A. The natural history of tunneled hemodialysis catheters removed or exchanged: a single-institution experience. JVIR. 2007;18:227-235.
    4 Balamuthusamy S. Self-centering, split-tip catheter has better patency than symmetric-tip tunneled hemodialysis catheter: single-center retrospective analysis. Semin Dial. 2014 Jan 20. Epub 2014 Jan 20.
    Carbothane® is a registered trademark of Lubrizol Advanced Materials, Inc.

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    Documents

    Discover more about the Centros® & CentrosFLO® Hemodialysis Catheters by reviewing the brochures and Instructions for Use.

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