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    Devices, systems, and methods for retaining a native heart valve leaflet
    4.
    发明授权
    Devices, systems, and methods for retaining a native heart valve leaflet 有权
    用于保留天然心脏瓣膜小叶的装置，系统和方法

    公开(公告)号：US08142494B2

    公开(公告)日：2012-03-27

    申请号：US12386821

    申请日：2009-04-23

    Applicant: David A. Rahdert ,  John A. Macoviak ,  Timothy R. Machold ,  Robert T. Chang ,  Rick A. Soss

    Inventor： David A. Rahdert ,  John A. Macoviak ,  Timothy R. Machold ,  Robert T. Chang ,  Rick A. Soss

    IPC: A61F2/24

    CPC classification number: A61F2/2454

    Abstract: Devices, systems and methods retain a native heart valve leaflet to prevent retrograde flow. The devices, systems, and methods employ an implant that, in use, rests adjacent a valve annulus and includes a retaining structure that is sized and shaped to overlay at least a portion of one or more native valve leaflets. The retaining structure retains the leaflet or leaflets it overlays, to resist leaflet eversion and/or prolapse. In this way, the implant prevents or reduces regurgitation. The implant does not interfere significantly with the opening of and blood flow through the leaflets during periods of antegrade flow.

    Abstract translation: 装置，系统和方法保留天然心脏瓣膜瓣以防止逆行流动。 装置，系统和方法采用植入物，其在使用中邻近瓣膜环并且包括保持结构，该保持结构的尺寸和形状可覆盖一个或多个天然瓣膜的至少一部分。 保留结构保留了覆盖的小叶或传单，以抵抗小叶外翻和/或脱垂。 以这种方式，植入物防止或减少反流。 植入物在顺行流动期间不会明显干扰通过传单的血液流通。

    Method and system for control of a patient's body temperature by way of a transluminally insertable heat exchange catheter
    5.
    发明授权
    Method and system for control of a patient's body temperature by way of a transluminally insertable heat exchange catheter 有权
    通过可插入热交换导管来控制患者体温的方法和系统

    公开(公告)号：US07879077B2

    公开(公告)日：2011-02-01

    申请号：US11674119

    申请日：2007-02-12

    Applicant: Timothy R. MacHold ,  Wade A. Keller ,  Alex T. Roth ,  Nicole Denise Bloom

    Inventor： Timothy R. MacHold ,  Wade A. Keller ,  Alex T. Roth ,  Nicole Denise Bloom

    IPC: A61F7/00

    CPC classification number: A61F7/0085 ,  A61B2017/00092 ,  A61B2017/00119 ,  A61B2017/00123 ,  A61B2017/00199 ,  A61B2017/22051 ,  A61F7/0097 ,  A61F7/10 ,  A61F7/123 ,  A61F2007/0054 ,  A61F2007/0096 ,  A61F2007/126 ,  A61M25/10 ,  A61M25/1011 ,  A61M2025/1072 ,  A61M2025/1086 ,  A61M2205/12 ,  A61M2205/127

    Abstract: Methods and apparatuses for temperature modification of a patient, or selected regions thereof, including an induced state of hypothermia. The temperature modification is accomplished using an in-dwelling heat exchange catheter within which a fluid heat exchange medium circulates. A heat exchange cassette of any one of several disclosed variations is attached to the circulatory conduits of the catheter, the heat exchange cassette being sized to engage a cavity within one of various described re-usable control units. The control units include a heater/cooler device, a user input device, and a processor connected to receive input from various sensors around the body and the system. The heater/cooler device may be thermoelectric to enable both heating and 15″ cooling based on polarity. A temperature control scheme for ramping the body temperature up or down without overshoot is provided. The disposable heat exchange cassettes may include an integral pump head that engages with a pump drive mechanism within the re-usable control unit. More than one control unit may be provided to receive the same heat exchange cassette so that, for example, a large capacity control unit can be used initially, and a smaller, battery-powered unit can be substituted once the patient reaches the desired target temperature.

    Abstract translation: 包括诱导低温的状态的患者的温度改变方法和装置，或其选定区域。 使用在其中流体热交换介质循环的内部热交换导管来实现温度改变。 几个公开的变型中的任何一个的热交换盒附接到导管的循环导管，热交换盒的尺寸适于接合各种所描述的可重复使用的控制单元之一内的空腔。 控制单元包括加热器/冷却器装置，用户输入装置和连接以接收来自身体和系统周围的各种传感器的输入的处理器。 加热器/冷却器装置可以是热电，以使得能够基于极性进行加热和15“冷却。 提供了一种用于使体温上升或下降而没有过冲的温度控制方案。 一次性热交换盒可以包括与可再使用的控制单元内的泵驱动机构接合的整体泵头。 可以提供多于一个控制单元以接收相同的热交换盒，使得例如最初可以使用大容量控制单元，并且一旦患者达到期望的目标温度，可以取代较小的电池供电的单元 。

    Inhibition of platelet activation, aggregation and/or adhesion by hypothermia
    6.
    发明授权
    Inhibition of platelet activation, aggregation and/or adhesion by hypothermia 有权
    通过低温抑制血小板活化，聚集和/或粘附

    公开(公告)号：US07846193B2

    公开(公告)日：2010-12-07

    申请号：US11501442

    申请日：2006-08-08

    Applicant: Michael W. Dae ,  Timothy R. Machold ,  Wade A. Keller

    Inventor： Michael W. Dae ,  Timothy R. Machold ,  Wade A. Keller

    IPC: A61F7/00 ,  A61F7/12

    CPC classification number: A61F7/12 ,  A61F7/123 ,  A61F2007/126

    Abstract: A method for treating acute coronary syndromes (i.e., unstable angina or non-Q-wave MI) or transient ischemic attacks in a human or animal patient by placing a heat exchange apparatus in the patient's vasculature and using that heat exchange apparatus to cool the patient to a temperature (e.g. 30-36° C.) at which platelet inhibition (i.e., inhibition of platelet activation and/or aggregation and/or adhesion) occurs. Anti-shivering drugs or anesthesia may be administered to patients whose body temperature is cooled below that patient's shivering threshold (typically approximately 35.5 C). If it is determined that platelet inhibition is no longer desirable, such as when the patient is about to undergo a surgical or interventional procedure wherein bleeding could be problematic, the hypothermia-induced platelet inhibition may be rapidly reversed by using the intravascular heat exchange apparatus to re-warm the patient's body to normothermia or near normothermia.

    Abstract translation: 一种通过将热交换装置放置在患者的脉管系统中并使用该热交换装置来冷却患者来治疗人或动物患者的急性冠状动脉综合征（即不稳定型心绞痛或非Q波MI）或短暂性脑缺血发作的方法 达到血小板抑制（即，抑制血小板活化和/或聚集和/或粘附）的温度（例如30-36℃）。 可以向体温冷却到患者发抖阈值以下（通常约35.5℃）的患者施用抗发抖药物或麻醉。 如果确定不再需要血小板抑制，例如当患者即将进行其中出血可能有问题的手术或介入手术时，通过使用血管内热交换装置可以快速逆转低体温诱导的血小板抑制 将患者的身体重温为正常体温或接近正常体温。

    Devices, systems, and methods for reshaping a heat valve annulus
    9.
    发明申请
    Devices, systems, and methods for reshaping a heat valve annulus 有权
    用于重新形成热阀环的装置，系统和方法

    公开(公告)号：US20090306622A1

    公开(公告)日：2009-12-10

    申请号：US12462956

    申请日：2009-08-12

    Applicant: Timothy R. Machold ,  David A. Rahdert ,  John A. Macoviak ,  Robert T. Chang ,  Rick A. Soss

    Inventor： Timothy R. Machold ,  David A. Rahdert ,  John A. Macoviak ,  Robert T. Chang ,  Rick A. Soss

    IPC: A61M31/00 ,  A61F2/24

    CPC classification number: A61F2/2418 ,  A61B2017/00243 ,  A61F2/2445 ,  A61F2/2454 ,  A61F2/2466 ,  A61F2220/0016

    Abstract: Devices, systems, and methods employ an implant that is sized and configured to attach to the annulus of a dysfunctional heart valve annulus. In use, the implant extends across the major axis of the annulus above and/or along the valve annulus. The implant reshapes the major axis dimension and/or other surrounding anatomic structures. The implant restores to the heart valve annulus and leaflets a more functional anatomic shape and tension. The more functional anatomic shape and tension are conducive to coaptation of the leaflets during systole, which, in turn, reduces regurgitation. The implant improves function to the valve, without surgically cinching, resecting, and/or fixing in position large portions of a dilated annulus, or without the surgical fixation of ring-like structures.

    Abstract translation: 装置，系统和方法采用尺寸和构造成附着到功能障碍性心脏瓣膜环的环的植入物。 在使用中，植入物跨过瓣膜环上方和/或沿着瓣膜环的环的长轴延伸。 植入物重塑长轴尺寸和/或其他周围的解剖结构。 植入物恢复到心脏瓣膜环，并具有更多功能的解剖形状和张力。 更多功能的解剖形状和张力有利于收缩期间传单的接合，这反过来又降低了反流。 植入物可以改善瓣膜的功能，而无需外科手术收紧，切除和/或固定在扩张的环的大部分位置，或无环状结构的手术固定。

    Use of intravascular hypothermia during angioplasty procedures
    10.
    发明授权
    Use of intravascular hypothermia during angioplasty procedures 有权
    在血管成形术过程中使用血管内低温

    公开(公告)号：US07510569B2

    公开(公告)日：2009-03-31

    申请号：US10933979

    申请日：2004-09-02

    Applicant: Michael W. Dae ,  Wade A. Keller ,  Timothy R. Machold

    Inventor： Michael W. Dae ,  Wade A. Keller ,  Timothy R. Machold

    IPC: A61F7/12

    CPC classification number: A61F7/12 ,  A61F7/123 ,  A61F2007/0056 ,  A61F2007/0076 ,  A61F2007/126 ,  A61M25/1002

    Abstract: Methods and apparatus for preventing myocardial infarction, or lessening the size/severity of an evolving myocardial infarction, by cooling at least the affected area of the myocardium using an intravascular heat exchange catheter. The heat exchange catheter may be inserted into the vasculature (e.g., a vein) and advanced to a position wherein a heat exchanger on the catheter is located in or near the heart (e.g., within the vena cava near the patient's heart). Thereafter, the heat exchange catheter is used to cool the myocardium (or the entire body of the patient) to a temperature that effectively lessens the metabolic rate and/or oxygen consumption of the ischemic myocardial cells or otherwise protects the ischemic myocardium from undergoing irreversible damage or infarction.

    Abstract translation: 通过使用血管内热交换导管至少冷却至少心肌的受影响区域来预防心肌梗死或减轻心肌梗死的大小/严重程度的方法和装置。 热交换导管可以插入脉管系统（例如静脉）中并且前进到导管上的热交换器位于心脏中或附近（例如在患者心脏附近的腔静脉内）的位置。 此后，热交换导管用于将心肌（或患者的整个身体）冷却到有效降低缺血心肌细胞的代谢率和/或氧消耗的温度，或以其它方式保护缺血心肌免受不可逆损伤 或梗死。

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