HEART VALVE

摘要

A valve assembly (10) has a support ring (20) and a valve body (30). The valve body (30) is supported by the ring (20) and comprises an annular body portion (31) that is rotatably engageable with the support ring (20). The annular body portion (30) supports a plurality of leaflets (32) that are moveable relative to each other and the annular body portion (30) between: a closed position and an open position upon changes in pressure differential across the valve assembly (10).