Keyword Analysis & Research: watchman device


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Why is it called a Watchman device?

The results of the Watchman device trial, called PROTECT-AF, have just come out of the American College of Cardiology 2009 annual meetings in Orlando. The Watchman (Atritech) is a device that closes off the left atrial appendage (LAA) to minimize the risk of stroke.

How does the Watchman device work?

The WATCHMAN device effectively closes off an area of the heart called the left atrial appendage (LAA) to keep harmful blood clots from entering the blood stream and potentially causing a stroke.

What is the Watchman device made of?

The Watchman Device is made out of a metallic frame that is then covered with a thin layer of fabric. It is extremely lightweight. The frame is made out of a nitinol alloy that is very common with cardiac implants. The fabric is made from Polyethylene Terephthalate (PET) and is attached by tiny sutures.

What is Watchman device placement?

The Watchman device is umbrella mesh like device that can be placed at the opening of left atrial appendage. Using standard techniques, similar to ones used in atrial fibrillation ablation procedure, the Watchman device is guided into the heart through a flexible tube inserted through a vein in your upper leg.


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