Backed by Decades of Clinical Experience, Confidently Implant the Most Implanted Mechanical Heart Valves in the World1,2

    DESIGN-DRIVEN HEMODYNAMIC CONFIDENCE & LOW THROMBOGENICITY

    Abbott mechanical heart valves lead the way with a proven bileaflet design that results in low thrombogenicity and excellent patient outcomes.

    • Leaflets open to an 85 degree angle in systole due to their upstream positioning, enabled by unique pivot guards (shown at right)
    • Strong, uniform velocities within hinge recesses aid washout of blood elements4
    • Low carbon surface area means less thrombus formation
    • Orifice-to-annulus ratio (as high as 84%) ensures large effective orifice areas (EOAs) and reduces prosthesis-patient mismatch5

    Unique design features have established Abbott mechanical heart valves as the gold standard for reliability and performance.

    THE PIVOT GUARD DESIGN
    AN ABBOTT HALLMARK

    Featured in all Abbott Mechanical Heart Valves, the Pivot Guard offers benefits both during implant and post-implant

    • Recessed design minimizes interaction with sub-annular native mitral valve apparatus
    • Minimized carbon surface area can lessen thrombus formation
    • Pivot guards help shield pivot mechanism from pannus ingrowth
    • Enables a consistent 85 degree opening angle, promoting minimized leaflet flutter and more laminar flow through the orifice6

    LOW THROMBOGENICITY
    A NECESSITY IN MHV REPLACEMENTS

    DESIGNED WITH LOW THROMBOGENICITY AT THE FOREFRONT
    • Large internal diameters up to 26.1 mm available promote low pressure gradients7
      • Low gradients can help minimize shear stress and thrombogenicity8
    • Uniform velocities within hinge recesses help aid washout of blood elements4
      • Abbott hinge design enables complete leaflet sweep, further aiding washout
         

     
     
     
     

    Abbott Mechanical Heart Valves: The Gold Standard

    MAT-2010509 v1.0 | Item approved for Global OUS use.

    References
    1. Internal Sales Tracking Spreadsheet. Data on file at Abbott.
    2. On-X website https://www.onxlti.com/.  Accessed May 7, 2021.  Data on file at Abbott.
    3. MHV Paper List. Data on file at Abbott.
    4. Jun BH, Saikrishnan N, Yoganathan AP. Micro particle image velocimetry measurements of steady diastolic leakage flow in the hinge of a St. Jude Medical Regent™ mechanical heart valve. Ann Biomed Eng. 2014;42(3):526–540. Published online 2013 Oct 2.doi: 10.1007/s10439-013- 0919-y
    5. Pibarot P, Dumesnil JG. Hemodynamic and clinical impact of prosthesis-patient mismatch in the aortic valve position and its prevention. J Am Coll Cardiol. 2000;36(4):1131-1141. doi.org/10.1016/s0735-1097(00)00859-7
    6. Shipkowitz T, Ambrus J, Kurk J, et al. Evaluation technique for bileaflet mechanical valves. J Heart Valve Dis. 2002;11(2):275-282.
    7. Internal Design Prints. Data on file at Abbott.
    8. Alemu Y, Bluestein D. Flow induced platelet activation and damage accumulation in a mechanical heart valve: numerical studies. Artif Organs. 2007;31(9):677-688. doi: 10.1111/j.1525-1594.2007.00446.x.

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