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Atrial Septal Defect Occlusion with Shanghai Shape Memory Alloy Memocarna ASD Occluder

Atrial Septal Defect Occlusion with Shanghai Shape Memory Alloy Memocarna ASD Occluder

Atrial septal defect ( ASD ) is one of the most common types of congenital heart defects, occurring in about 25% of children[1]. In such cases, transcatheter closure of secundum ASDs has been demonstrated to be safe and effective in both children and adults. However, appropriate patient selection and an accurate device selection is mandatory to prevent serious complications such as ventricular arrhythmias, outflow tract obstruction of the left and right ventricle, or ischemic events secondary to the obstruction of blood flow due to device embolization [2].


To enhance the safety and efficacy of ASD transcatheter closure, especially for children, Shanghai Shape Memory Alloy has launched the second generation of occluders, Memo Carna ASD occluder. Memocarna has removed one hub to lower the device weight, thus reduce load of the heart. And its enhanced oxidized nitinol wire has increased flexibility and elasticity.


Patient Information

Female, 46 years old, ASD size is 20-22mm and close to the aorta. A 30mm Memocarna ASD occluder is chosen.

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