Endovascular left atrial appendage closure devices

Device name	Company	Design	Device sizes (mm)
WATCHMAN*^¶	Boston Scientific	Single-lobe occluder with nitinol frame, PET membrane, 10 fixation anchors.	21, 24, 27, 30, 33
WATCHMAN FLX*^¶	Boston Scientific	Single-lobe occluder with nitinol frame, PET membrane, 12 fixation anchors.	20, 24, 27, 31, 35
Amplatzer Cardiac Plug (ACP)^¶	Abbott	Lobe and disc (polyester mesh in both) nitinol mesh construct. Stabilizing wires.	16, 18, 20, 22, 24, 26, 28, 30
Amulet*^¶	Abbott	Similar design as Amplatzer Cardiac Plug, but wider lobe and disc and more stabilizing wires.	16, 18, 20, 22, 25, 28, 31, 34
WaveCrest^¶	Coherex Medical	Single-lobe occluder. Nitinol frame, polyurethane foam, ePTFE membrane, retractable anchors.	22, 27, 32
Occlutech LAA Occluder^¶	Occlutech	Single-lobe occluder. Nitinol wire mesh, stabilizing loops, nanomaterial covering.	15, 18, 21, 24, 27, 30, 33, 36, 39
Lambre^¶	Lifetech	Lobe and disc nitinol frame. PET membrane. Distal barbs anchors.	16 to 36

PET: polyethylene terephthalate; ePTFE: polytetrafluoroethylene; LAA: left atrial appendage; FDA: United States Food and Drug Administration; CE: conformité Européenne (French for "European conformity").

* FDA approved.

¶ CE mark refers to any product that may be freely traded in any part of Europe (ie, European Union) economic area.

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Endovascular left atrial appendage closure devices