知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

24 条记录 (耗时 0.026 秒)

    Means and method for the accurate placement of a stent at the ostium of an artery
    11.
    发明申请
    Means and method for the accurate placement of a stent at the ostium of an artery 有权
    支架在动脉口的准确放置的方法和方法

    公开(公告)号：US20080082155A1

    公开(公告)日：2008-04-03

    申请号：US11975196

    申请日：2007-10-18

    申请人： Robert Fischell ,  Tim Fischell ,  David Fischell ,  Mark Zyzelewski

    发明人： Robert Fischell ,  Tim Fischell ,  David Fischell ,  Mark Zyzelewski

    IPC分类号： A61F2/06

    CPC分类号： A61F2/95 ,  A61F2002/821 ,  A61F2250/0098

    摘要： Disclosed is an ostial stent positioner that has the form of a wire for most of its length and having a short cylinder with a longitudinal slit and expandable legs situated at the positioner's distal end. The slit cylinder with its attached wire acts as an introducer sheath to introduce a stent delivery system with a stent into the artery that is to be stented. A second aspect of the present invention is a method for accurately placing a stent at the ostium of an artery that would have an ostial stenosis. Examples of such arteries that have ostial stenoses are the right and left main coronary arteries, a saphenous vein graft as used in coronary bypass surgery and the renal arteries. Also disclosed are designs for the slit cylinder that provides a variable diameter so as to fit snugly within guiding catheters having different inside diameters.

    摘要翻译： 公开了一种口腔支架定位器，其具有大部分长度的线的形式，并且具有短圆柱体，其具有位于定位器的远端处的纵向狭缝和可扩展腿。 具有连接线的狭缝圆柱体用作导引鞘，以将具有支架的支架输送系统引入到要被固定的动脉中。 本发明的第二方面是一种将支架精确地放置在具有口腔狭窄的动脉的口处的方法。 具有口腔狭窄的这种动脉的实例是右冠状动脉和左主动脉冠状动脉，用于冠状动脉旁路手术的隐静脉移植物和肾动脉。 还公开了用于狭缝筒的设计，其提供可变直径，以便紧密地配合在具有不同内径的引导导管内。

    Means and method for the detection of cardiac events
    13.
    发明申请
    Means and method for the detection of cardiac events 审中-公开
    用于检测心脏事件的手段和方法

    公开(公告)号：US20070249944A1

    公开(公告)日：2007-10-25

    申请号：US11812836

    申请日：2007-06-22

    申请人： David Fischell ,  Tim Fischell ,  Jonathan Harwood ,  Robert Fischell ,  Steven Johnson

    发明人： David Fischell ,  Tim Fischell ,  Jonathan Harwood ,  Robert Fischell ,  Steven Johnson

    IPC分类号： A61B5/0402

    CPC分类号： A61B5/0464 ,  A61B5/0006 ,  A61B5/0031 ,  A61B5/02455 ,  A61B5/04012 ,  A61B5/042 ,  A61B5/0432 ,  A61B5/0452 ,  A61B5/0456 ,  A61B5/046 ,  A61B5/0472 ,  A61B5/686 ,  A61B5/746 ,  A61B5/7465 ,  A61N1/3702 ,  A61N1/37258 ,  A61N1/3756 ,  G16H40/67

    摘要： Disclosed is a system for the detection of cardiac events that includes an implanted device called a cardiosaver, a physician's programmer and an external alarm system. The system is designed to provide early detection of cardiac events such as acute myocardial infarction or exercise induced myocardial ischemia caused by an increased heart rate or exertion. The system can also alert the patient with a less urgent alarm if a heart arrhythmia is detected. Using different algorithms, the cardiosaver can detect a change in the patient's electrogram that is indicative of a cardiac event within five minutes after it occurs and then automatically warn the patient that the event is occurring. To provide this warning, the system includes an internal alarm sub-system (internal alarm means) within the cardiosaver and/or an external alarm system (external alarm means) which are activated after the ST segment of the electrogram exceeds a preset threshold.

    摘要翻译： 公开了一种用于检测心脏事件的系统，其包括称为心脏切除器，医生程序员和外部警报系统的植入装置。 该系统旨在提供心脏事件的早期检测，例如由心率增加或运动引起的急性心肌梗死或运动诱发的心肌缺血。 如果检测到心律失常，该系统还可以警告患者不太紧急的警报。 使用不同的算法，心脏检查器可以在发生后五分钟内检测到指示心脏事件的患者电描记图的变化，然后自动向患者发出事件发生。 为了提供此警告，系统包括在心电图的ST段超过预设阈值之后激活的心律师内部的内部报警子系统（内部报警装置）和/或外部报警系统（外部报警装置）。

    HYBRID STENT
    14.
    发明申请
    HYBRID STENT 审中-公开
    混合型

    公开(公告)号：US20070239258A1

    公开(公告)日：2007-10-11

    申请号：US11625400

    申请日：2007-01-22

    申请人： Robert Fischell ,  David Fischell ,  Tim Fischell

    发明人： Robert Fischell ,  David Fischell ,  Tim Fischell

    IPC分类号： A61F2/06

    CPC分类号： A61F2/915 ,  A61F2/91 ,  A61F2002/91508 ,  A61F2002/91516 ,  A61F2002/91525 ,  A61F2002/91533 ,  A61F2002/91541 ,  A61F2002/91558 ,  A61F2002/91575 ,  A61F2002/91583

    摘要： The present device has increased longitudinal flexibility in a stent by having some curved sections of each circumferential set of strut members being unconnected to the curved sections of the adjacent circumferential set of strut members with the other curved sections being connected by highly flexible, undulating longitudinal connecting links. The present device prevents flaring of the unconnected strut members by having a shorter longitudinal length for the unconnected strut members, and may have generally shorter longitudinal lengths for all the strut members in the circumferential sets of strut members at the stent ends to reduce the tendency for end flaring of the stent. Finally, the stent demonstrates that the flexible longitudinal connecting links of the curved sections of the sets of strut members are connected at a point that is close to the line where the diagonal sections join the curved sections, thus further reducing the propensity for end flaring.

    摘要翻译： 本装置通过使每个圆周组的支柱构件的一些弯曲部分与相邻的圆周组支撑构件的弯曲部分未连接，而其他弯曲部分通过高柔性，起伏的纵向连接 链接。 本装置通过对未连接的支柱构件具有较短的纵向长度来防止未连接的支柱构件的扩口，并且对于在支架端部处的圆柱形构件的圆周组中的所有支柱构件可以具有通常较短的纵向长度，以减少 支架末端扩张。 最后，支架表明，支柱构件组的弯曲部分的柔性纵向连接部分在靠近对角部分连接弯曲部分的线处连接，从而进一步降低了端部扩口的倾向。

    System and methods for detecting ischemia with a limited extracardiac lead set
    16.
    发明申请
    System and methods for detecting ischemia with a limited extracardiac lead set 审中-公开
    用有限的心外导联检测缺血的系统和方法

    公开(公告)号：US20090048528A1

    公开(公告)日：2009-02-19

    申请号：US11889752

    申请日：2007-08-16

    申请人： Bruce Hopenfeld ,  Michael Sasha John ,  Tim Fischell

    发明人： Bruce Hopenfeld ,  Michael Sasha John ,  Tim Fischell

    IPC分类号： A61B5/0472

    CPC分类号： A61B5/042 ,  A61B5/0031 ,  A61B5/0472 ,  A61B5/7275

    摘要： Disclosed is a system for detecting pathophysiological cardiac conditions from a reduced number of extracardiac leads. A right side lead measures the electrical signal between the middle superior chest region over the heart and inferior right torso position. A left side lead measures the electrical signal between the left precordial chest region and an inferior left lateral or posterior torso position. The lead montage is preferably chosen so that, regardless of patient position (e.g. supine, upright), negative ST segments and/or T waves are used to detect right coronary or left circumflex ischemia. Also, in these positions, reduced slope of the final deflection in the QRS can be used to detect these types of ischemia. To detect transmural ischemia, the system examines changes in QRS slopes, ST segment, T wave and the difference between the J point and the PQ potentials. In addition, for transmural ischemia associated with the left anterior descending artery, a proxy for the propagation time across the front of the heart is examined by comparing QRS features of the right side lead with QRS features of the left side lead. Histogram profiles, trends, and statistical summaries, especially running averages, of all of the above mentioned features, corrected for heart rate, are maintained.

    摘要翻译： 公开了一种用于从减少数量的心外引线检测病理生理学心脏病的系统。 右侧导线测量心脏上中部上胸部区域和右下躯干位置之间的电信号。 左侧导线测量左心耳前胸部区域和左下侧后躯干位置之间的电信号。 优选选择引导蒙太奇，使得不管患者的位置（例如仰卧，直立），使用负ST段和/或T波来检测右冠状动脉或左回旋缺血。 此外，在这些位置，可以使用QRS中的最终偏转的减小的斜率来检测这些类型的缺血。 为了检测透壁缺血，系统检查QRS斜率，ST段，T波的变化以及J点与PQ电位之间的差异。 此外，对于与左前降支动脉相关的透壁性缺血，通过将右侧引线的QRS特征与左侧引线的QRS特征进行比较来检查穿过心脏前部的传播时间的代理。 维持所有上述功能的直方图，趋势和统计摘要，特别是运行平均值。

    Stent having a multiplicity of undulating longitudinals
    18.
    发明申请
    Stent having a multiplicity of undulating longitudinals 失效
    支架有多个起伏的纵骨

    公开(公告)号：US20070255384A1

    公开(公告)日：2007-11-01

    申请号：US11804710

    申请日：2007-05-18

    申请人： Robert Fischell ,  David Fischell ,  Tim Fischell

    发明人： Robert Fischell ,  David Fischell ,  Tim Fischell

    IPC分类号： A61F2/06

    CPC分类号： A61F2/844 ,  A61F2/90 ,  A61F2/91 ,  A61F2/915 ,  A61F2002/825 ,  A61F2002/91533 ,  A61F2002/9155 ,  A61F2210/0019

    摘要： A method for implanting a balloon expandable stent at a site within a passageway of a curved coronary article. The stent includes at least two longitudinally spaced apart circumferential rings. At least one longitudinally extending connector extends between adjacent rings. The connector has at least one turn back portion that can expand or contract in length while being passed through a curved passageway. The stent is disposed on a stent delivery catheter having an inflatable balloon. The stent delivery catheter and the stent is delivered through the passageway to the site of implementation with the connector member expanding or contracting in length to facilitate delivery and placement of the stent. The stent is expanded at the site of implantation by inflating the balloon to force the stent radially outward against the wall of the coronary artery.

    摘要翻译： 一种用于将球囊可扩张支架植入弯曲冠状动脉制品通道内的部位的方法。 支架包括至少两个纵向间隔开的周向环。 至少一个纵向延伸的连接器在相邻的环之间延伸。 连接器具有至少一个回转部分，其能够在穿过弯曲通道的同时膨胀或收缩。 支架设置在具有可膨胀气囊的支架输送导管上。 支架输送导管和支架通过通道被输送到实现位置，连接器构件的长度膨胀或收缩以便于支架的输送和放置。 通过使气囊膨胀来使支架在植入部位扩张，以使支架径向向外抵靠冠状动脉壁。

    Introducer sheath for the placement of a stent at the ostium of an artery
    19.
    发明申请
    Introducer sheath for the placement of a stent at the ostium of an artery 审中-公开
    导管鞘，用于将支架放置在动脉的口处

    公开(公告)号：US20070225790A1

    公开(公告)日：2007-09-27

    申请号：US11442719

    申请日：2006-05-30

    申请人： Robert Fischell ,  Tim Fischell ,  Mark Zyzelewski ,  Ryan Mack ,  Malcom Foster

    发明人： Robert Fischell ,  Tim Fischell ,  Mark Zyzelewski ,  Ryan Mack ,  Malcom Foster

    IPC分类号： A61F2/06

    CPC分类号： A61F2/95 ,  A61F2002/821 ,  A61F2230/006 ,  A61F2250/0039

    摘要： Disclosed is an ostial stent positioner that has the form of a wire for most of its length and having a short cylinder with expandable legs situated at the positioner's distal end. The cylinder with its attached wire acts as an introducer sheath to introduce a stent delivery system with a stent into the artery that is to be stented. A second aspect of the present invention is a method for accurately placing a stent at the ostium of an artery that would have an ostial stenosis. Examples of such arteries that have ostial stenoses are the right and left main coronary arteries, a saphenous vein graft as used in coronary bypass surgery and the renal arteries. Also disclosed are designs for the short cylinder that have a variable diameter so as to fit snugly within guiding catheters having different inside diameters.

    摘要翻译： 公开了一种口腔支架定位器，其具有大部分长度的线的形式，并且具有位于定位器的远端处的可扩张腿的短圆柱体。 具有附接线的圆柱体用作引导器护套以将具有支架的支架输送系统引入到要被支架的动脉中。 本发明的第二方面是一种将支架精确地放置在具有口腔狭窄的动脉的口处的方法。 具有口腔狭窄的这种动脉的实例是右冠状动脉和左主动脉冠状动脉，用于冠状动脉旁路手术的隐静脉移植物和肾动脉。 还公开了具有可变直径的短圆柱体的设计，以便紧密地配合在具有不同内径的引导导管内。