| 摘要 |
FIELD: medical engineering. SUBSTANCE: device has body, venous valve fixed in tubular casing at four points in two mutually perpendicular planes. The valve is shaped as V-shaped plate bent so that two equal size cusps are formed, each having two leaflets. The leaflets allow shutting reverse blood circulation flow passage. EFFECT: excluded postoperative complications. 2 cl, 1 dwg |
