CARDIAC VALVE PROSTHESIS Russian patent published in 2012 - IPC A61F2/24 

FIELD: medicine.

SUBSTANCE: prosthesis comprises a body with a central hole 3 and two input and output end faces, a blocking element in the form of at least two rocking doors 8 releasing a flow area on centre of the body hole when the valve is open, and door stops 9. The output end face is provided with dead-end arcs number of which is equal to a number of the doors. Arc surfaces contact with door surfaces when the valve is closed. Door stops are arranged between adjacent arcs.

EFFECT: higher reliability and durability of the valve with reducing energy cost for door rotation.

15 cl, 10 dwg