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    Hybrid magnetic-based and impedance-based position sensing
    4.
    发明授权
    Hybrid magnetic-based and impedance-based position sensing 有权
    基于混合磁性和基于阻抗的位置检测

    公开(公告)号：US07536218B2

    公开(公告)日：2009-05-19

    申请号：US11182272

    申请日：2005-07-15

    Applicant: Assaf Govari ,  Andres Claudio Altmann ,  Yitzhack Schwartz ,  Yaron Ephrath

    Inventor： Assaf Govari ,  Andres Claudio Altmann ,  Yitzhack Schwartz ,  Yaron Ephrath

    IPC: A61B5/05

    CPC classification number: A61B5/063 ,  A61B5/0035 ,  A61B5/0538

    Abstract: A position sensing system includes a probe adapted to be introduced into a body cavity of a subject. The probe includes a magnetic field transducer and at least one probe electrodes. A control unit is configured to measure position coordinates of the probe using the magnetic field transducer. The control unit also measures an impedance between the at least one probe electrodes and one or more points on a body surface of the subject. Using the measured position coordinates, the control unit calibrates the measured impedance.

    Abstract translation: 位置感测系统包括适于被引入被检体体腔的探头。 探头包括磁场换能器和至少一个探针电极。 控制单元被配置为使用磁场换能器来测量探头的位置坐标。 控制单元还测量至少一个探针电极与被检体的身体表面上的一个或多个点之间的阻抗。 使用测量的位置坐标，控制单元校准测量的阻抗。

    Externally applied RF for pulmonary vein isolation
    5.
    发明授权
    Externally applied RF for pulmonary vein isolation 有权
    外部应用RF用于肺静脉隔离

    公开(公告)号：US07367970B2

    公开(公告)日：2008-05-06

    申请号：US10706299

    申请日：2003-11-11

    Applicant: Assaf Govari ,  Yitzhack Schwartz

    Inventor： Assaf Govari ,  Yitzhack Schwartz

    IPC: A61B18/18

    CPC classification number: A61B18/14 ,  A61B2017/00004 ,  A61B2018/00375

    Abstract: A resonant circuit is incorporated in a stent, which implantable in a pulmonary vein using known cardiac catheterization techniques. When an external RF field is generated at the resonant frequency of the stent, RF energy is re-radiated by the stent toward electroconductive tissue in the wall of the pulmonary vein, and produces a circumferential conduction block. The stent can be made of biodegradable materials, so that it eventually is resorbed. Following an ablation procedure, the stent may be left in situ. Repeated ablation can be performed using the inserted stent until it has been determined that the desired lesions have been formed. Furthermore, the same stent can potentially be used even years after being inserted should the treated arrhythmia reoccur or a new arrhythmia develop, thereby possibly obviating the need for an invasive procedure at that future time.

    Abstract translation: 谐振电路并入支架中，其可以使用已知的心脏导管插入技术植入肺静脉。 当在支架的共振频率处产生外部RF场时，RF能量被支架重新辐射到肺静脉壁中的导电组织，并产生周向传导阻滞。 支架可以由可生物降解的材料制成，使其最终被吸收。 在消融手术之后，支架可以留在原位。 可以使用插入的支架进行重复消融，直到确定已经形成所需的损伤为止。 此外，如果治疗的心律失常复发或新的心律失常发展，则在插入后几年可以使用相同的支架，从而可能消除在未来时间对侵入性手术的需要。

    Laser pulmonary vein isolation
    6.
    发明授权
    Laser pulmonary vein isolation 有权
    激光肺静脉隔离

    公开(公告)号：US06997924B2

    公开(公告)日：2006-02-14

    申请号：US10245613

    申请日：2002-09-17

    Applicant: Yitzhack Schwartz ,  Assaf Govari ,  Shlomo Ben-Haim ,  Uri Yaron ,  Marcia Leatham

    Inventor： Yitzhack Schwartz ,  Assaf Govari ,  Shlomo Ben-Haim ,  Uri Yaron ,  Marcia Leatham

    IPC: A61B18/18

    CPC classification number: A61B18/24 ,  A61B2017/22051 ,  A61B2018/2272

    Abstract: A catheter introduction apparatus provides an optical assembly for emission of laser light energy. In one application, the catheter and the optical assembly are introduced percutaneously, and transseptally advanced to the ostium of a pulmonary vein. An anchoring balloon is expanded to position a mirror near the ostium of the pulmonary vein, such that light energy is reflected and directed circumferentially around the ostium of the pulmonary vein when a laser light source is energized. A circumferential ablation lesion is thereby produced, which effectively blocks electrical propagation between the pulmonary vein and the left atrium.

    Abstract translation: 导管引入装置提供用于发射激光能量的光学组件。 在一个应用中，导管和光学组件经皮引入，经皮递送到肺静脉的口。 锚固气囊被扩张以在靠近肺静脉的口处定位镜子，使得当激光源被激发时，光能被反射并周向地环绕肺静脉的口引导。 从而产生圆周消融损伤，其有效阻止肺静脉与左心房之间的电传播。

    Intracardiac pressure monitoring method
    7.
    发明授权
    Intracardiac pressure monitoring method 有权

    公开(公告)号：US06652464B2

    公开(公告)日：2003-11-25

    申请号：US09739062

    申请日：2000-12-18

    Applicant: Yitzhack Schwartz ,  Assaf Govari ,  Shlomo Ben-Haim ,  Joel Zilberstein ,  Louis J. Capezzuto

    Inventor： Yitzhack Schwartz ,  Assaf Govari ,  Shlomo Ben-Haim ,  Joel Zilberstein ,  Louis J. Capezzuto

    IPC: A61B502

    CPC classification number: A61B5/6882 ,  A61B5/0031 ,  A61B5/0215 ,  A61B5/076 ,  A61B2560/0219 ,  A61B2562/0233 ,  A61B2562/046 ,  Y10S128/903

    Abstract: A method for telemetrically measuring a parameter in a patient's heart comprises the steps of imaging the heart and identifying an implantation site in the heart. An opening is created in the tissue at the implantation site. A sensor comprising a housing, a membrane at one end of the housing wherein the membrane is deformable in response to the parameter, and a microchip positioned within the housing and operatively communicating with the membrane for transmitting a signal indicative of the parameter is provided. The sensor is placed in the opening and the parameter is telemetrically measured from outside of the patient's body based on the transmitted signal by the sensor. The sensor is also telemetrically powered from outside of the patient's body. A signal charging and reading device is placed outside of the patient's body for telemetric powering and signal reading with respect to the sensor. In an alternative embodiment, the sensor has a tapered distal end and a tissue piercing tip for direct implantation into tissue. Alternative embodiments of this sensor include helical threads on the tapered distal end for threading the sensor into tissue and a plurality of tissue barbs for direct and firm anchoring of the sensor in tissue.

    INTRAVASCULAR PRESSURE SENSOR
    8.
    发明申请
    INTRAVASCULAR PRESSURE SENSOR 审中-公开
    血管压力传感器

    公开(公告)号：US20100069763A1

    公开(公告)日：2010-03-18

    申请号：US12211592

    申请日：2008-09-16

    Applicant: Assaf Govari ,  Yaron Ephrath ,  Yitzhack Schwartz

    Inventor： Assaf Govari ,  Yaron Ephrath ,  Yitzhack Schwartz

    IPC: A61B5/0215

    CPC classification number: A61B5/0215 ,  A61B5/6846

    Abstract: Pressure-sensing apparatus includes a sensor die, which is configured for percutaneous insertion through a wall of a blood vessel of a patient so as to generate an electrical signal that is responsive to a pressure in the blood vessel. A wire has a first end connected to the sensor die and a second end connected to an electronics package, which is configured for subcutaneous implantation and is connected via the wire to receive and process the electrical signal that is generated by the sensor die in order to provide an output that is indicative of the pressure.

    Abstract translation: 压力感测装置包括传感器管芯，其被配置为经皮穿过患者的血管的壁，以产生响应于血管中的压力的​​电信号。 线具有连接到传感器管芯的第一端和连接到电子封装的第二端，电子封装构造成用于皮下植入，并且经由导线连接以接收和处理由传感器裸片产生的电信号，以便 提供一个表示压力的输出。

    GASTRIC BAND WITH POSITION SENSING
    9.
    发明申请
    GASTRIC BAND WITH POSITION SENSING 审中-公开
    带位置传感的带状带

    公开(公告)号：US20100069707A1

    公开(公告)日：2010-03-18

    申请号：US12624775

    申请日：2009-11-24

    Applicant: Assaf Govari ,  Andres Altmann ,  Yaron Ephrath ,  Yitzhack Schwartz

    Inventor： Assaf Govari ,  Andres Altmann ,  Yaron Ephrath ,  Yitzhack Schwartz

    IPC: A61F2/00

    CPC classification number: A61F5/0059 ,  A61F5/0056

    Abstract: The problem of accessing an injection port transcutaneously is resolved using wireless position transducers in an inflation port assembly and in an injection syringe. The measurements provided by the transducers indicate to the practitioner the position and orientation of syringe relative to the injection port. A console provides a visual indication of the relative position and orientation so as to guide the practitioner to insert the syringe at the proper site and in the proper direction and to penetrate the port cleanly and correctly.

    Abstract translation: 通过充气端口组件和注射器中的无线位置传感器来解决通过经皮接入注射口的问题。 由换能器提供的测量指示从业者注射器相对于注射口的位置和取向。 控制台提供相对位置和方向的可视指示，以便引导从业者将注射器插入正确的位置并且沿正确的方向并且清洁地且正确地穿透端口。

    PACEMAKER WITH POSITION SENSING
    10.
    发明申请
    PACEMAKER WITH POSITION SENSING 审中-公开
    具有位置感测功能

    公开(公告)号：US20100057157A1

    公开(公告)日：2010-03-04

    申请号：US12200297

    申请日：2008-08-28

    Applicant: Assaf Govari ,  Yitzhack Schwartz

    Inventor： Assaf Govari ,  Yitzhack Schwartz

    IPC: A61N1/365

    CPC classification number: A61N1/36514 ,  A61B5/0031 ,  A61B5/061 ,  A61B2034/2051 ,  A61N1/056 ,  A61N1/36521 ,  A61N1/36535 ,  A61N1/36578

    Abstract: A pacemaker with position sensing capability permits built-in monitoring of hemodynamic changes. A miniature position sensor, such as a magnetic coil, is fixed to each implanted pacing lead. The pacemaker housing contains a generator unit, including a magnetic field transmitter. The magnetic field transmitted by the generator unit causes the position sensors to generate position signals, which are returned via the pacing leads to a control unit of the pacemaker. Based on these signals, the control unit senses relative positions of the location sensors, and hence the motion of the leads in the heart. Other location sensing techniques are also disclosed.

    Abstract translation: 具有位置检测功能的起搏器允许内部监测血液动力学变化。 诸如电磁线圈的微型位置传感器固定到每个植入的起搏引线上。 起搏器外壳包含发电机单元，包括磁场发射器。 由发生器单元传输的磁场使得位置传感器产生位置信号，该位置信号通过起搏器返回到起搏器的控制单元。 基于这些信号，控制单元感测位置传感器的相对位置，并且因此感测心脏中引线的运动。 还公开了其他位置感测技术。

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