Data provided by company:

• The FlexCuff™ is flanged and more pliable than the standard cuff
• Single digit gradients, even in sizes as small as 19 mm
• Up to 84% orifice to annulus ratio
• 85 degree leaflet opening angle offers improved laminar flow and reduces turbulence
• Supra-annular placement and low implant height

Comments Surgery:

• Bileaflet design, supra-annular valve, rotation mechanism for intraoperative adjustment

Comments Echocardiography:

• Published hemodynamic data identical for Aortic Regent flex cuff, standard cuff and masters series.
• EOAI identical for Aortic Regent flex cuff and standard cuff

References:

1. Copyright St. Jude Medical
2. Rosenhek et al. Normal Values for Doppler Echocardiographic Assessment of Heart Valve Prostheses. Journal of the American Society of Echocardiography, November 2003
3. Copyright St. Jude Medical, Product Catalogue