Research Article

Comparison of Two Percutaneous Atrial Septal Defect Occluders for Device Healing and Nickel Release in a Chronic Porcine Model

Table 1

Technical features of the occlusion devices.

Type of deviceDevice 1 Hyperion ASDODevice 2 Amplatzer

Metal alloyNitinolNitinol
Wire thickness150 microns190 microns
Mesh structurePolyethylene terephthalatePolyethylene terephthalate
Nitinol treatment surface coatingPreoxidized nitinol wiresBlack oxide nitinol
Intaglio coating

ASO: Amplatzer septal occluder; ASD: atrial septal defect; NA: not available.