Endoluminal ventricular retention
    91.
    发明授权
    Endoluminal ventricular retention 有权
    管腔内保留

    公开(公告)号:US06706065B2

    公开(公告)日:2004-03-16

    申请号:US09909193

    申请日:2001-07-19

    IPC分类号: A61F206

    摘要: A left ventricle restriction device is designed to be transvenously advanced and deployed within the coronary sinus and in some embodiments other coronary veins. The device places tension on adjacent structures, reducing the diameter and/or limiting diastolic expansion of the left ventricle. This may be beneficial for patients with dilated cardiomyopathy.

    摘要翻译: 左心室限制装置被设计成在冠状窦内部和在一些实施例中是其他冠状静脉中被递送和部署。 该装置在相邻结构上施加张力,减小左心室的直径和/或限制舒张期扩张。 这可能对扩张型心肌病患者有益。

    Percutaneous mitral annuloplasty and cardiac reinforcement
    94.
    发明授权
    Percutaneous mitral annuloplasty and cardiac reinforcement 有权
    经皮二尖瓣成形术和心脏加强

    公开(公告)号:US06402781B1

    公开(公告)日:2002-06-11

    申请号:US09494233

    申请日:2000-01-31

    IPC分类号: A61F206

    摘要: A mitral annuloplasty and LV restriction device is designed to be transvenously advanced and deployed within the coronary sinus and in some embodiments other coronary veins. The device places tension on adjacent structures, reducing the diameter and/or limiting expansion of the mitral annulus and/or limiting diastolic expansion of the left ventricle. These effects may be beneficial for patients with dilated cardiomyopathy.

    摘要翻译: 二尖瓣瓣成形术和LV限制装置被设计成在冠状窦内部和在一些实施例中是其他冠状静脉中经过递送和部署。 该装置在相邻结构上施加张力,减小二尖瓣环的直径和/或限制扩张和/或限制左心室的舒张期扩张。 这些影响可能对扩张型心肌病患者有益。

    Quantitative characterization of fibrillatory spatiotemporal organization
    97.
    发明授权
    Quantitative characterization of fibrillatory spatiotemporal organization 失效
    纤维性时空组织的定量表征

    公开(公告)号:US5868680A

    公开(公告)日:1999-02-09

    申请号:US936083

    申请日:1997-09-23

    CPC分类号: A61B5/0464

    摘要: Described is a method for monitoring the spatiotemporal organization of atrial arrhythmias, especially atrial fibrillation, based on an analysis of sequences of activation patterns obtained from a particular set of atrial recording sites. This analysis measures the degree of order change in the sequence of activation patterns, or of the time between order changes. Electrogram signals produced by atrial fibrillation are acquired simultaneously from sites adjacent to atrial tissue using multipole electrode catheters. These signals subsequently are filtered and processed to obtain a group of time series which manifest peaks at the latencies of maximal energy in the original data; when these peaks occur are the latencies that are defined as activation events. The activation events from each sampled site are ordered with respect to activation events from each of the other sites, and are translated into corresponding activation patterns, which are determined by the specific spatiotemporal activation sequence associated with each activation event. Each activation pattern in the sequence then is compared with subsequent observed patterns to determine if any spatiotemporal order change has occurred, and if so, to what extent; also, the distribution of observed activation patterns is evaluated for an additional characterization of atrial fibrillation.

    摘要翻译: 描述了基于从一组特定的心房记录位点获得的激活模式序列的分析来监测房性心律失常的时空组织,特别是心房颤动的方法。 该分析测量激活模式序列或订单变化之间的时间顺序变化程度。 使用多极电极导管,同时从与心房组织相邻的部位获得由心房颤动产生的电图信号。 这些信号随后被过滤和处理以获得一组时间序列,其在原始数据中以最大能量的延迟表示峰值; 发生这些峰值时,定义为激活事件的延迟。 来自每个采样站点的激活事件相对于来自每个其他站点的激活事件被排序,并且被转换成相应的激活模式,其由与每个激活事件相关联的特定时空激活序列确定。 然后将序列中的每个激活模式与随后的观察模式进行比较,以确定是否发生了任何时空顺序变化,如果是,则在多大程度上; 还观察观察到的激活模式的分布,以评估心房颤动的额外特征。