The invention relates to a method for aorta stent with valve opening above the percutaneous coronary implantation, the stent is made of tubular scaffold and artificial valve, the tubular bracket for the net shaped structure, the tubular structure for the diamond mesh, the valve is composed of a wave shaped valve ring and a valve leaf, the wavy the valve ring by wire folded into three equal half arc structure, the valve by the animal pericardium made into flexible flap valve, the invention bracket for the super elastic nickel titanium alloy wire woven, has better adaptability, convenient sewing through the valve, the valve ring is connected with the fixed exact not easy to shift, valve ring, simple operation, safety.
【技术实现步骤摘要】
【技术保护点】
一种用于经皮冠脉开口上方植入的带瓣膜主动脉支架,其特征在于,该支架由管状支架(1)和人工瓣膜(2)组成,所述管状支架(1)为网形管状结构,所述管状结构的网孔为菱形,所述瓣膜(2)由波浪状瓣膜环(3)和瓣叶(4)组成,所述波浪状瓣膜环(3)由合金丝折叠弯成三个等长的半月弧形结构,所述接头处用镍钛合金捏合固定,所述瓣叶(4)由脱细胞处理的动物心包制作成柔性瓣,瓣叶(4)附着其缘用线缝合于波浪状瓣膜环(3)的弧形金属丝上,另一边游离,形成三个半月窦,即制成瓣膜;波浪状瓣膜环(3)置于管状支架(1)的腰部,弧形凸向右心室盘面,三个弧形的中部分别用线缝合于管状支架(1)的腰部。
【技术特征摘要】
【专利技术属性】
技术研发人员:宗刚军,陈景开,吴刚勇,叶光明,夏阳,陈满清,
申请(专利权)人:中国人民解放军第一零一医院,
类型:发明
国别省市:32
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