The demarcation point (or demarc or Network Interface Device (NID) for short) serves several purposes: â¢It is the point that defines the end of the telephone company's wiring, and the beginning of your wiring. â¢It defines where the telephone company's responsibility for maintenance ends, and your responsibility begins.
This device helps your heart pump blood to the rest of the body. What is a Left Ventricular Assist Device (LVAD)? A left ventricular assist device is a small pump that helps circulate your blood when your heart becomes too weak to do its job effectively. The pump enables your heart to pump more blood with less work.
The WATCHMAN LAA Closure Technology consists of a delivery catheter and a device that is permanently implanted in the left atrial appendage (LAA) of the heart. The device, often referred to as the WATCHMAN, prevents LAA blood clots from entering the bloodstream and potentially causing a stroke.