ELECTRODE FIXATION IN INTERVENTIONAL MEDICAL SYSTEMS

    公开(公告)号:US20180117307A1

    公开(公告)日:2018-05-03

    申请号:US15336284

    申请日:2016-10-27

    CPC classification number: A61N1/059 A61B17/3468 A61N1/05 A61N1/362 A61N1/37518

    Abstract: An implantable medical device assembly includes a mounting structure, an electrode, and fixation tines. The electrode protrudes from a surface of the structure, offset proximally from a distal end of the structure, and approximately centered between first and second sides of the structure. Each tine extends away from the surface—a first adjacent the first side, and a second adjacent the second side. Each tine is elastically deformable from a relaxed condition, in which the tine extends toward a proximal end of the structure, to an extended condition, in which the tine extends away from the distal end of the structure. A delivery tool has first and second longitudinally extending sidewalls to receive passage of the structure therebetween. When the structure distal end is located between proximal ends of the sidewalls, a rail-like edge of each sidewall receives, and elastically deforms to the extended condition, a corresponding tine.

    ELECTRODE FIXATION IN INTERVENTIONAL MEDICAL SYSTEMS

    公开(公告)号:US20180099138A1

    公开(公告)日:2018-04-12

    申请号:US15287122

    申请日:2016-10-06

    Abstract: An implantable medical device assembly includes a mounting structure, an electrode protruding from a surface of the structure, between opposing sides thereof, and tissue-penetrating fixation tines, each extending from a corresponding shoulder of the structure surface, adjacent to the opposing sides. In a relaxed condition, each tine extends away from the surface and then bends toward a proximal end of the structure and back toward the surface. In an extended condition, each tine bends toward a distal end of the structure and extends along the corresponding shoulder. A holding member of a delivery tool has opposing sidewalls defining a cavity, wherein each sidewall includes a rail-like edge that fits in sliding engagement with a corresponding shoulder, to deform a corresponding tine into the extended condition, when an operator passes the assembly into the cavity. Applying a push force, to move the assembly back out form the cavity, releases the tines.

    Leadless pacemaker system
    45.
    发明授权
    Leadless pacemaker system 有权
    无引导起搏器系统

    公开(公告)号:US09375580B2

    公开(公告)日:2016-06-28

    申请号:US14576539

    申请日:2014-12-19

    Abstract: A device includes a signal generator module, a processing module, and a housing. The signal generator module is configured to deliver pacing pulses to an atrium. The processing module is configured to detect a ventricular activation event and determine a length of an interval between the ventricular activation event and a previous atrial event that preceded the ventricular activation event. The processing module is further configured to schedule a time at which to deliver a pacing pulse to the atrium based on the length of the interval and control the signal generator module to deliver the pacing pulse at the scheduled time. The housing is configured for implantation within the atrium. The housing encloses the stimulation generator and the processing module.

    Abstract translation: 一种装置包括信号发生器模块,处理模块和壳体。 信号发生器模块被配置为向心房输送起搏脉冲。 处理模块被配置为检测心室激活事件并且确定心室激活事件与心室激活事件之前的先前心房事件之间的间隔的长度。 处理模块还被配置为基于间隔的长度来安排将起搏脉冲传送到心房的时间,并且控制信号发生器模块以在预定的时间传送起搏脉冲。 外壳被配置为在心房内植入。 外壳包围刺激发生器和处理模块。

    INTERVENTIONAL MEDICAL SYSTEMS, DEVICES, AND METHODS OF USE
    46.
    发明申请
    INTERVENTIONAL MEDICAL SYSTEMS, DEVICES, AND METHODS OF USE 审中-公开
    传统医学系统,设备和使用方法

    公开(公告)号:US20160059003A1

    公开(公告)日:2016-03-03

    申请号:US14518261

    申请日:2014-10-20

    CPC classification number: A61N1/057 A61N1/37518 A61N1/3756

    Abstract: A relatively compact implantable medical device includes a fixation member formed by a plurality of fingers mounted around a perimeter of a distal end of a housing of the device; each finger is elastically deformable from a relaxed condition to an extended condition, to accommodate delivery of the device to a target implant site, and from the relaxed condition to a compressed condition, to accommodate wedging of the fingers between opposing tissue surfaces at the target implant site, wherein the compressed fingers hold a cardiac pacing electrode of the device in intimate tissue contact for the delivery of pacing stimulation to the site. Each fixation finger is preferably configured to prevent penetration thereof within the tissue when the fingers are compressed and wedged between the opposing tissue surfaces. The pacing electrode may be mounted on a pacing extension, which extends distally from the distal end of the device housing.

    Abstract translation: 相对紧凑的可植入医疗装置包括由安装在装置的壳体的远端的周边周围的多个指状物形成的固定构件; 每个手指可以从松弛状态弹性变形到延伸状态,以适应装置到目标植入部位的输送,以及从松弛状态到压缩状态,以适应手指在目标植入物的相对组织表面之间的楔入 其中所述压缩的指状物将所述装置的心脏起搏电极保持在紧密组织接触中,以用于将所述起搏刺激递送至所述部位。 每个固定指状物优选构造成当手指被压缩并楔入相对的组织表面之间时防止其在组织内的穿透。 起搏电极可以安装在起搏延伸部上,其从装置壳体的远端向远侧延伸。

    VFA DELIVERY SYSTEMS AND METHODS
    48.
    发明公开

    公开(公告)号:US20240238597A1

    公开(公告)日:2024-07-18

    申请号:US18587193

    申请日:2024-02-26

    Abstract: Devices, systems, and methods deliver implantable medical devices for ventricular-from-atrial (VfA) cardiac therapy. A VfA device may be implanted in the right atrium (RA) with an electrode extending from the right atrium into the left ventricular myocardium. A flexible leed, or another probe, may be advanced to the potential implantation site and used to identify a precise location for implantation of a medical device, such as an electrode, leadlet, lead, or intracardiac device. Some methods may include locating a potential implantation site in the triangle of Koch region in the right atrium of a patient's heart; attaching a fixation sheath to the right-atrial endocardium in the potential implantation site; and implanting the medical device over a guide wire at the potential implantation site. An implantable medical device may include an intracardiac housing and a leadlet, which may be delivered by these methods.

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