The artificial heart valve apex includes a fiber reinforced structure comprising a plurality of composite fibers. Each composite fiber includes a core fiber and a sheath fiber disposed around the core fiber, and the core fiber or sheath fiber has a curved shape.人工心臓弁弁尖は、複数の複合繊維を含む繊維強化構造を含む。各複合繊維は、芯繊維と芯繊維の周囲に配置された鞘繊維とを含み、芯繊維または鞘繊維は曲線形状を有する。