For remodeling while preserving flexibility, when you want a semi-rigid, complete ring.
Shape
Anterior saddle and smaller posterior saddle for apposition to the aortic root
Evolves from D-Shape to more circular to accommodate the patient with larger leaflet tissue and dilated annulus
Flexibility
Anterior rigidity for remodeling, posterior flexibility for preserving cardiac motion
Implantability
Commissure and mid-posterior markers
Dedicated sewing cuff and identified suture zone
Single-Cut release holder