Transcatheter Aortic Valve Insertion (TAVI)
The aortic valve regulates blood flow between the lower left chamber (left ventricle) of the heart and the aorta. Transcatheter aortic valve insertion or TAVI involves the replacement of a damaged aortic valve without the need for open heart surgery. The replacement valve is delivered to the valve site via a catheter in a minimally invasive surgical procedure. Once the new valve is in place it permanently takes over the job of regulating blood flow.
Read more here