heart valve prosthesis

heart valve pros·the·sis

replacement of a cardiac valve removed for disease by either a mechanical or a biologically derived artificial valve.

heart valve prosthesis

Heart surgery A natural–eg, porcine or synthetic valve used to replace a damaged–stenosed or 'insufficient' cardiac valve; ±50,000 are performed/yr–US. See Shiley valve.
References in periodicals archive ?
Artificial mechanical heart valve prosthesis - 70 pc .
Transcatheter Technologies GmbH is a start-up medical device company that's developing a next-generation transcatheter aortic heart valve prosthesis.
The transapical TAVI system consists of both the Cathlete delivery system and the JenaValve heart valve prosthesis.
Recurrent endocarditis in silver-coated heart valve prosthesis.
Continuing advances in heart valve prosthesis design and in techniques for implantation have improved the survival length and quality of life of patients who receive these devices.
The JenaValve design allows the cardiac surgeon and cardiologist to achieve precise positioning and allows repositioning of the heart valve prosthesis with its unique, patented positioning feelers.
Freedom Solo(TM) represented an innovation in the heart valve prosthesis arena, due to its unique characteristics of being a totally biological valve, virtually identical to the native valve, which can be easily and quickly implanted with a single suture line, giving superior results in terms of haemodynamics.
It is well documented that the On-X valve does not produce the turbulence and blood damage commonly produced by other mechanical heart valve prosthesis and therefore significantly reduces the potential for life-threatening blood clots.
These include enabling MRI imaging of heart valve prosthesis to provide doctors a more effective and less invasive alternative to diagnose heart valve function compared to the currently available invasive techniques, as well as the ability to enable a new generation of MRI-guided implantable stent-based heart valves.