The Only Proven LAAC Device

The Watchman device demonstrated comparable stroke risk reduction, and statistically superior reductions in hemorrhagic stroke, disabling stroke and cardiovascular death compared to warfarin over long-term follow-up.*

85% in hemorrhagic stroke
63% in disabling stroke
56% in cardiovascular death

An Alternative for Non-Valvural Atrial Fibrillation


For patients with non-valvural atrial fibrillation considered suitable for warfarin by their physicians, but have reason to seek an alternative, the WATCHMAN™ LAAC Device is an implant-based alternative to warfarin. The WATCHMAN™ LAAC Device is implanted in the left atrial appendage of your heart to permanently close off this small pouch and keep harmful blood clots from entering your bloodstream. By closing off the left atrial appendage, the source of more than 90% of stroke-causing blood clots that come from the heart in people with non-valvular AF5, the risk of stroke may be reduced and, over time, you may be able to stop taking warfarin.

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