Square leaflet mechanical heart valves allow efficient blood flow with low shear stress because there are no obstructions in the path of blood flow. This patented innovation in mechanical heart valve design is simple, cost-effective, and substantially improves existing mechanical heart valve designs. Rectangular leaflets provide a means to completely remove any central obstruction to blood flow.

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This technology offers a quick, inexpensive, and consistent method for determining the effectiveness of cardioversion in atrial fibrillation (AF) patients, and offers physicians a tool to differentiate between patients who will successfully cardiovert and those who will not. Cardioversion returns AF to a normal heart rhythm through either an electric shock or drugs. This technology is rapid, complementary to existing work-ups, and uses existing equipment.

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The Technologies of the Week describe inventions offered for license through the yet2.com marketplace. Search over $2.5 billion of licensable technologies at www.yet2.com .

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