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Structural Heart Occluders

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Featured Structural Heart Occluders

AMPLATZER™ products for a range of defects

We design our AMPLATZER™ occluders to meet the unique anatomical needs associated with specific heart defects, including atrial septal defects (ASDs), patent foramen ovale (PFO), ventricular septal defects (VSDs), patent ductus arteriosus (PDA) and the left atrial appendage (LAA). With a variety of shapes and sizes and features that facilitate precise placement, our occluders have the potential to simplify procedures. And each offers the reliable performance and procedural flexibility you expect from our products.

The occluders featured here represent solutions with our latest technologies. You can find other occlusion devices and structural heart products in our full product catalog.

Atrial Septal Defect (ASD) Closure Devices

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Side view of AMPLATZER™ Septal Occluder for minimally-invasive atrial septal defect (ASD) closure

AMPLATZER™ Septal Occluder

The AMPLATZER™ septal occluder, or ASO, is designed to appose the septal wall on both sides of a defect to create a platform for tissue in-growth after implantation. 

Patent Ductus Arteriosus (PDA) Closure Devices

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AMPLATZER™ Duct Occluder II for versatile patent ductus arteriosus closure

AMPLATZER™ Duct Occluder II

Designed for flexibility, the AMPLATZER™ duct occluder II conforms to a variety of ducts while achieving complete closure from a pulmonary or aortic approach.

Ventricular Septal Defect (VSD) Closure Devices

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Side view of AMPLATZER™ Muscular VSD Occluder for muscular ventricular septal defect closure

AMPLATZER™ Muscular VSD Occluder

The AMPLATZER™ muscular VSD occluder features a double-disc design made from self-expandable Nitinol wire mesh, with a thick waist to accommodate ventricular tissue.

Left Atrial Appendage (LAA) Occlusion Devices

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AMPLATZER™ Amulet™ left atrial appendage occluder with flexible nitinol braided lobe

AMPLATZER™ Amulet™ Left Atrial Appendage Occluder

We have designed our AMPLATZER™ Amulet™ left atrial appendage occluder for precise positioning and seal of the LAA at the orifice.

AMPLATZER™ cardiac plug for Left Atrial Appendage Occlusion

AMPLATZER™ Cardiac Plug

We have designed the AMPLATZER™ cardiac plug to occlude the LAA at the base of the orifice, providing full cross-sectional coverage.

Patent Foramen Ovale (PFO) Closure Devices

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Side view of AMPLATZER™ PFO Occluder designed to close all types of patent foramen ovales (PFOs)


The AMPLATZER™ patent foramen ovale (PFO) occluder is a double-disc device designed to close all types of PFOs. Features of this occluder include its simple transcatheter deployment procedure.