二尖瓣疾病
引领 TEER 治疗新境界
MR是由于二尖瓣瓣叶、瓣环、乳头肌、腱索等器质性或功能性改变导致的二尖瓣病变，即在心脏收缩时心脏二尖瓣关闭不严，使得血液从左心室反向流入左心房，二尖瓣反流疾病随着时间推移导致严重心衰。
原发性（器质性）二尖瓣返流(DMR)：二尖瓣叶异常、腱索断裂或乳头肌功能不全导致，基本上不可逆。
继发性（功能性）二尖瓣返流(FMR)：由于瓣环扩张、左房及左室扩大导致， 可逆转。
MR未经手术治疗的患者远期高死亡率及住院率如下：
1095例重症MR患者的诊断分类及治疗方式（左1）以及未手术的重度MR患者心力衰竭的死亡率和住院率（右1）
而中国需要干预治疗的二尖瓣反流患者约750 万，重度二尖瓣反流患者约550万，而治疗率仅约0.5%，每年约有4万例外科二尖瓣手术，人员数量已经很多 ，而传统治疗方式正在慢慢的改变，TEER是目前应用最成熟的介入疗法二尖瓣病变治疗技术演化如下：
而TEER是目前应用最成熟的介入疗法如下：
我们的产品可以满足需求，经导管缘对缘修复（TEER）是目前全球应用最广泛、证据最多的二尖瓣反流介入治疗技术，晋医疗 DragonFly™ 经导管二尖瓣夹系统，中国首款经股静脉入路二尖瓣缘对缘修复产品具有完全自主知识产权，现已在全球布局上百件发明专利。 截至 2023 年 9 月，共计申请国内外专利 150余项发明专利 95 项 ｜PCT 申请 28 项｜已授权专利 30 项，并且已累计植入 300余例，无一例器械故障。
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