PROSTHESIS OF AORTAL HEART VALVE FOR TRANSCATHETER IMPLANTATION Russian patent published in 2017 - IPC A61F2/24 

FIELD: medicine.

SUBSTANCE: aortic valve prosthesis comprises a radially deformable framework of plastic metal with a braid made of an expandable synthetic material and a liner made of an elastic biological or synthetic material. The frame consists of three support pillars with expansions with longitudinal grooves in the distal part with respect to the direct flow of blood, and additional pillars located between them. The pillars are connected in series with distal zigzag bridges. The braid is made of two segments, inner and outer. Inner segments are sewn on the inside of the framework. Outer segments are sewn from the outside of the framework. The liner consists of three parts. The distal edges of the liner portions are free. The liner and the inner segment of the braid are sewn together by threads along arcs.

EFFECT: increased reliability and thrombore resistance.

5 cl, 5 dwg