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    • 65. 发明授权
    • Cardiac support device with anti-fibrosis lining
    • 心脏支持装置具有抗纤维化内衬
    • US06997865B2
    • 2006-02-14
    • US10794311
    • 2004-03-05
    • Clifton A. AlfernessJai Shankar RamanJohn Melmouth Power
    • Clifton A. AlfernessJai Shankar RamanJohn Melmouth Power
    • A61F13/00
    • A61F2/2481A61F2002/0068
    • A jacket of biological compatible material has an internal volume dimensioned for an apex of the heart to be inserted into the volume and for the jacket to be slipped over the heart. The jacket has a longitudinal dimension between upper and lower ends sufficient for the jacket to surround a lower portion of the heart with the jacket surrounding a valvular annulus of the heart and further surrounding the lower portion to cover at least the ventricular lower extremities of the heart. The jacket is adapted to be secured to the heart with the jacket surrounding at least the valvular annulus and the ventricular lower extremities. The jacket is adjustable on the heart to snugly conform to an external geometry of the heart and assume a maximum adjusted volume for the jacket to constrain circumferential expansion of the heart beyond the maximum adjusted volume during diastole and to permit unimpeded contraction of the heart during systole.
    • 生物相容材料的护套具有尺寸设计用于心脏顶点的内部容积,以将其插入体积中并使护套滑过心脏。 护套具有在上下端之间的纵向尺寸,足以使护套围绕心脏的下部围绕心脏的瓣膜环并且进一步围绕下部以至少覆盖心脏的心室下端 。 护套适于固定在心脏上,护套至少围绕瓣膜环和心室下肢。 护套在心脏上是可调节的,以贴合地符合心脏的外部几何形状,并假设护套的最大调节体积以约束舒张期心脏超过最大调节体积的周向扩张,并允许心脏收缩期间不受阻碍的收缩 。
    • 67. 发明授权
    • Atrial fibrillation type selective cardiovertor and method
    • 心房颤动型选择性心脏转移器及方法
    • US5549641A
    • 1996-08-27
    • US331898
    • 1994-10-31
    • Gregory M. AyersClifton A. Alferness
    • Gregory M. AyersClifton A. Alferness
    • A61N1/362A61N1/39
    • A61N1/3918A61N1/3622A61N1/3962A61N1/395
    • An atrial cardiovertor/defibrillator provides therapy to the atria corresponding to the type of atrial arrhythmia occurring in the atria of the heart. The atrial cardiovertor/defibrillator includes a memory for storing respective different criteria for each of different types of atrial arrhythmia, a sensor for sensing activity of at least one of the atria of the heart to provide an electrogram signal, and a cardiovertor for providing a corresponding therapy to the heart for each of the different types of atrial arrhythmia. The cardiovertor/defibrillator further includes an atrial arrhythmia detector responsive to the electrogram signal and the stored criteria for identifying one of the types of atrial arrhythmia to cause the cardiovertor to provide therapy to the heart corresponding to the identified atrial arrhythmia.
    • 房性心律转复/除纤颤器对心房心房发生心房心律失常类型的心房提供治疗。 心房心律转移除颤器包括存储器,用于存储针对不同类型心房心律失常的各种不同的标准,用于感测心脏心房中的至少一个的活动以提供电描记图信号的传感器,以及用于提供对应的心律转换器 治疗心脏每种不同类型的心房心律失常。 心律转移除颤器进一步包括心律失常检测器,其响应于电描记图信号和存储的标准,用于识别心房心律失常的类型之一,以使心脏转移器向心脏对应于所确定的房性心律失常提供治疗。
    • 70. 发明授权
    • Cardiac lead implanting arrangement and method
    • 心脏铅植入装置及方法
    • US5304218A
    • 1994-04-19
    • US892177
    • 1992-06-02
    • Clifton A. Alferness
    • Clifton A. Alferness
    • A61N1/05
    • A61N1/056
    • An arrangement and method facilitates the implantation of an electrode of an endocardial or intravenous lead at an implantation site within the heart of a human. The arrangement includes a guide wire which is formed of flexible material and which may be fed along a predetermined path which includes the implantation site. The arrangement further includes a lead formed of flexible material which includes a proximal end, a distal end, and an electrode to be implanted. The lead further includes an integrally formed follower which slidingly engages the guide wire to permit the lead to be guided along the predetermined path until the electrode to be implanted resides at its implantation site. Thereafter, the guide wire is retracted along the predetermined path to cause the electrode to remain at its implantation site.
    • 布置和方法有助于在人的心脏内的植入部位植入心内膜或静脉内引线的电极。 该装置包括由柔性材料形成并且可以沿着包括植入部位的预定路径进给的导丝。 该装置还包括由柔性材料形成的引线,其包括近端,远端和待植入的电极。 引线还包括一体形成的从动件,其滑动地接合导丝,以允许引线沿着预定路径被引导,直到待植入的电极位于其注入位置。 此后,引导线沿着预定路径缩回以使电极保持在其植入位置。