Cardioplegia Cannulae, Antegrade Aortic Root, with and whitout Vent Line, 18 Ga (4 Fr), AR-11018 Livanova Antegrade Cardioplegia Aortic Root Cannulae are intended for rapid and secure cardioplegia perfusion of the coronary arteries. Depending on country registration, an optional phospholipid coating may be available to help improve biocompatibility. Note on ordering: coated products have a “B” before their reference code. Please, contact your local sales representative. ORDER CODE INSERTION NEEDLE Without Vent Line AVAILABLE COATED