HEART VALVE PROSTHESIS WITH GUARD STRUCTURE
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Abstract
A HEART VALVE PROSTHESIS WHICH INCLUDES A GUARD STRUCTURE FOR PREVENTING INTRUSION OF HEART MUSCLE OR OTHER FOREIGN TISSUE INTO THE PATH OF VALVE EXCURSION. THE GUARD IN ONE EMBODIMENT IS FORMED FROM A PAIR OF UPSTANDING STRUTS MOUNTED ABOUT THE VALVE BODY INTERMEDIATE THE LIMITS OF VALVE EXCURSION. IN ANOTHER EMBODIMENT THE GUARD IS FORED BY A PLASTIC FLANGE WHICH EXTENDS UPWARDLY AND OUTWARDLY FROM THE VALVE BODY AND SUBSTANTIALLY SURROUNDS THE PATH OF VALVE EXCURSION.
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