FIELD: medical equipment.
SUBSTANCE: valve has case with doors. Bases of doors are connected by hinges outside at edges of case of valve at four protruding fixing arcs; they are capable of opening different sides to form central inlet opening. Doors of valve are made of carbon-pyroceramics and they have different sizes for forming direction of blood flow inside cavity of ventricle. Case part of hinge is made in form of "X"; faces of groove of case part together with protruding arcs have to be motion restrictors for doors. Structure of mitral valve provides formation of blood flow being close to natural one.
EFFECT: improved reliability of operation; higher efficiency.
3 dwg
| Title | Year | Author | Number |
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RU2469680C2 |
