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    • 66. 发明申请
    • MEDICAL CLOSURE SYSTEM
    • 医疗关闭系统
    • US20160345943A1
    • 2016-12-01
    • US15117752
    • 2014-04-30
    • LEPU MEDICAL TECHNOLOGY (BEIJING) CO., LTD
    • Kai CuiChang LiHui LiMing YangXia Zhang
    • A61B17/00
    • A61B17/0057A61B2017/00004A61B2017/00243A61B2017/00597A61B2017/00606A61B2017/00623A61B2017/00986A61B2017/00991
    • A medical closure system comprises a closure stent (100) and a delivery device (200); the closure stent (100) comprises a stent outer layer (1), a film (3) disposed on the stent outer layer (1), and a mandrel (8) passing through the stent outer layer (1); the distal end of the mandrel (8) is fixedly connected to the distal end of the stent outer layer (1); the closure stent (100) is made of a degradable polymer; the delivery device (200) comprises an external push tube (11) and an internal push rod (10) installed in the external push tube (11); the external push tube (11) and the internal push rod (10) are movable relative to each other in an axial direction; the external push tube (11) is movably connected to the proximal end of the stent outer layer (1); and the internal push rod (10) is movably connected to the proximal end of the mandrel (8). The medical closure system can automatically degrade after being implanted into a human body, thus eliminating the hidden risk of a side effect caused by residue of the closure stem left in the human body.
    • 医疗闭合系统包括闭合支架(100)和输送装置(200); 闭合支架(100)包括支架外层(1),设置在支架外层(1)上的膜(3)和穿过支架外层(1)的心轴(8); 心轴(8)的远端固定地连接到支架外层(1)的远端; 闭合支架(100)由可降解聚合物制成; 输送装置(200)包括安装在外部推管(11)中的外部推管(11)和内部推杆(10)。 外推头(11)和内推杆(10)可沿轴向相对移动; 所述外部推管(11)可移动地连接到支架外层(1)的近端; 并且内部推杆(10)可移动地连接到心轴(8)的近端。 医疗闭合系统在植入人体后会自动降解,从而消除了由人体残留物引起的副作用隐藏的隐患。
    • 68. 发明授权
    • Intracardiac cage and method of delivering same
    • 心内笼和交付方法
    • US09445895B2
    • 2016-09-20
    • US14846127
    • 2015-09-04
    • ATRITECH, INC.
    • Marc S. Kreidler
    • A61F2/24A61B17/00A61B17/12A61F2/01
    • A61B17/0057A61B17/12022A61B17/12122A61B17/12172A61B2017/00243A61B2017/00575A61B2017/00579A61B2017/00592A61B2017/00597A61B2017/00606A61B2017/00615A61B2017/00623A61F2/01A61F2/2427A61F2002/018A61F2230/0006A61F2230/0067A61F2230/0071A61F2230/0076
    • A method of preventing ingress of material into the left atrium of a heart includes providing a delivery sheath, advancing the sheath distal end through an opening between the right atrium and the left atrium of the heart, providing an expandable cage, delivering the expandable cage to the left atrium, and expanding the expandable cage within the left atrium. The expandable cage includes a proximal end, a distal end, and a plurality of supports extending therebetween. The expandable cage also includes a first membrane provided at its proximal end and a second membrane provided at its distal end. The expandable cage has a collapsed configuration so that it can be received within the lumen of the delivery sheath, and an expanded configuration for deployment within the heart. When expanded, the first membrane is positioned at an opening between the left and right atria of the heart, and the second membrane is positioned at the ostium of the left atrial appendage. The first membrane substantially prevents passage of blood between the atria and the second membrane prevents passage of embolic material from the left atrial appendage into the left atrium of the heart.
    • 防止材料进入心脏左心房的方法包括提供输送护套,使护套远端穿过心脏的右心房和左心房之间的开口,提供可扩张的笼,将可扩张的笼子传送到 左心房,并扩大左心房内的可扩张笼。 可膨胀笼包括近端,远端以及在其间延伸的多个支撑件。 可膨胀笼还包括在其近端处设置的第一膜和在其远端处设置的第二膜。 可膨胀保持架具有收缩构型,使得其可以容纳在输送护套的内腔中,并且扩展构型用于在心脏内展开。 当扩张时,第一膜位于心脏左心房和右心房之间的开口处,第二膜位于左心耳的口处。 第一膜基本上防止血液在心房和第二膜之间通过,阻止栓塞材料从左心耳通过到心脏的左心房。