Heart Mate Pump 2 LVAD Patient Stories

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Left Ventricular Assist Devices “LVAD”

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Presentation transcript:

Heart Mate Pump 2 LVAD Patient Stories https://www.youtube.com/watch?v=TXRfMnG1O_0 LVAD Implant Surgery https://www.youtube.com/watch?v=I4r5_3uS0Nc

The HeartMate II is a high-speed, axial flow, rotary blood pump. Weighing 12 ounces (about 375 grams) and measuring about 1.5 inches (4 cm) in diameter and 2.5 inches (6 cm) long, it is significantly smaller than other currently approved devices. The internal pump surfaces are a smooth, polished titanium. Within the pump is a rotor that contains a magnet. The rotor assembly is rotated by the electromotive force generated by the motor. The rotor propels the blood from the inflow cannula out to the natural circulation. The pump speed can vary from 6,000 rpm to 15,000 rpm, providing blood flow of up to 10 liters per minute. FDA approval 2008, over 11000 installs Even allows heart to repair itself https://www.youtube.com/watch?v=ev_01gQVWAM

Now we will take a look at the math model for a rotating cone pump