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    • 1. 发明申请
    • SIGMOID VALVE
    • WO2004091455A3
    • 2004-10-28
    • PCT/US2004/010763
    • 2004-04-07
    • INTERNATIONAL HEART INSTITUTE OF MONTANA FOUNDATION
    • DURAN, Carlos, M., G.
    • A61F2/24
    • A multi-leaflet valve (15) adapted to serve as a prosthesis for diseased native valve of a mammal is incorporated in self-expandable or inflatable endovascular stents or stents (27,28) to form a combination which is introduced on a catheter with a guide wire into the circulatory system of the mammal to replace the diseased native valve. Once the combination is at the desired location the stent is caused to expand and affix itself to the patient's vessel wall. The prosthetic valve has the shape of a truncated cone that has an inflow and an outflow orifice with leaflets forming the outflow orifice and forming a plurality of commissures. A first flexible circular support (17) is affixed in a substantially circular fashion around the truncated cone in proximity of the inflow orifice, and a second flexible circular support (18) is affixed at the location of the commissures to form a circle around the truncated cone in proximity of the outflow orifice. The circular supports maintain the shape of the valve during the surgical implantation procedure and thereafter.
    • 9. 发明申请
    • A SYSTEM, INCLUDING METHOD AND APPARATUS FOR PERCUTANEOUS ENDOVASCULAR TREATMENT OF FUNCTIONAL MITRAL VALVE INSUFFICIENCY
    • 一种系统,包括方法和装置,用于功能性麻醉药的胰腺内分泌治疗
    • WO2006133186A2
    • 2006-12-14
    • PCT/US2006/021908
    • 2006-06-06
    • THE INTERNATIONAL HEART INSTITUTE OF MONTANA FOUNDATION
    • DURAN, Carlos M.G.SANZ, Mark, L.
    • A61F2/24
    • A61F2/2451A61B2017/00243A61F2210/009
    • Among the four heart valves, the mitral is the most frequently affected by disease resulting in defective valve opening (stenosis) or incomplete closure (insufficiency). Most often this is due to distortion of the valve apparatus secondary to rheumatic or degenerative disease. These lesions, called "organic" require open heart surgery. In patients with coronary disease or with dilated cardiomyopathy the mitral valve can be insufficient although structurally normal. These valves are "functionally" insufficient. Because of the poor condition of these patients where open heart surgery carries a significant operative risk, less invasive percutaneous alternatives are being explored today. The present novel invention represents a radical departure from other procedures because it repositions the posterior papillary muscle utilizing a device located in the interventricular veins.
    • 在四个心脏瓣膜中,二尖瓣最常受到疾病的影响,导致瓣膜开放不良(狭窄)或不完全关闭(不全面)。 大多数情况下,这是由于风湿性或退行性疾病继发的瓣膜器械的变形。 这些病变称为“有机”需要开放性心脏手术。 在患有冠状动脉疾病或扩张性心肌病的患者中,二尖瓣可能不足,尽管结构正常。 这些阀“功能上”不足。 由于这些患者的开放心脏手术具有显着手术风险,因此今天正在探索较少侵入性的经皮替代物。 本发明代表了与其他方法的根本性偏离,因为它利用位于室间静脉中的装置来重新定位后乳头肌。