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    • 4. 发明申请
    • SHOCK WAVE VALVULOPLASTY DEVICE AND METHODS
    • 震波波形极化装置及方法
    • US20160135828A1
    • 2016-05-19
    • US14940029
    • 2015-11-12
    • SHOCKWAVE MEDICAL, INC.
    • Daniel HAWKINSMark C. T. HUANGShow-Mean Steve WUArnel CASTRORainier BETELIAAdam R. TANNER
    • A61B17/22
    • A61B17/22022A61B17/22012A61B2017/00243A61B2017/22025A61B2017/22051A61B2017/22062A61B2017/22098
    • Described here are devices and methods that may facilitate treatment of a calcified heart valve with shock waves. A shock wave valvuloplasty device may be advanced through a patient's vasculature and self-align with cusps of a calcified aortic valve. Alignment may be facilitated by a central anchor and/or U-shaped distal bends of positioning wires. An elongated carrier may be slidably disposed over a portion of the positioning wire and carry one or more electrode assemblies that may generate shock waves. An inflatable balloon may sealably enclose the electrode assembles, and shock waves may propagate through the liquid-filled balloon and transfer energy to adjacent calcified valve cusps. The shock wave valvuloplasty device may comprise one or more features to direct shock waves to specific areas of calcified tissue. Some variations also comprise a central anchor configured to be positioned below the valve leaflets.
    • 这里描述了可以促进用冲击波治疗钙化心脏瓣膜的装置和方法。 冲击波瓣膜成形术装置可以通过患者的脉管系统进行,并与钙化的主动脉瓣的尖端自对准。 定位线的中心锚固件和/或U形远端弯曲可以促进对准。 细长的载体可以可滑动地设置在定位线的一部分上并且承载可产生冲击波的一个或多个电极组件。 可膨胀气球可以密封地封闭电极组件,并且冲击波可以通过充满液体的球囊传播并将能量传递到相邻的钙化阀门。 冲击波瓣膜成形术装置可以包括将冲击波引导到钙化组织的特定区域的一个或多个特征。 一些变型还包括构造成定位在瓣叶下方的中心锚杆。