Intracardiac defibrillation leads
    11.
    发明授权
    Intracardiac defibrillation leads 失效
    心脏除颤引导

    公开(公告)号:US06178355B1

    公开(公告)日:2001-01-23

    申请号:US09216293

    申请日:1998-12-18

    IPC分类号: A61N105

    CPC分类号: A61N1/0565 A61N1/0563

    摘要: A lead and a lead system for dispersion of a cardioversion/defibrillation electrode formed of one or more small diameter defibrillation electrodes in a heart chamber and for attaching a pace/sense electrode in contact with the heart. The small diameter defibrillation electrode or electrodes extend distally from the distal end of the lead body. If multiple electrodes are employed, they are preferably biased to spread apart when unrestrained and have a cross-section size small enough to be inserted into interstices of trabeculae in the ventricular chamber. The distal ends of the defibrillation electrodes may be free of attachment to the lead body or may be attached by a weak bond to the distal portion of the lead.

    摘要翻译: 一种用于在心室中由一个或多个小直径除颤电极形成的复律/除颤电极的分散的引线和引导系统,并且用于附接与心脏接触的步调/感测电极。 小直径除颤电极或电极从引线体的远端向远端延伸。 如果使用多个电极,则它们优选地被偏置以在不受限制的情况下展开,并且具有足够小的横截面尺寸以插入心室中的小梁的间隙中。 除颤电极的远端可以没有附着到引线体,或者可以通过弱接合附着到引线的远端部分。

    Torque indicator for fixed screw leads
    12.
    发明授权
    Torque indicator for fixed screw leads 失效
    用于固定螺钉的转矩指示器

    公开(公告)号:US5374286A

    公开(公告)日:1994-12-20

    申请号:US40735

    申请日:1993-03-31

    申请人: Mary M. Morris

    发明人: Mary M. Morris

    IPC分类号: A61N1/05 A61N1/362 A61N1/02

    CPC分类号: A61N1/056 Y10T29/49117

    摘要: A body-implantable lead (10) for use in cardiac pacing having a proximal end and a distal end, the proximal end connected to a medical device, an active fixation device such as a helix electrode (330) having a distal end and a proximal end, the tissue securing means extending from the lead body distal end, an electrical conductor (15) extending between the proximal and distal ends of the lead, and a longitudinally extending radiopaque marker (35 or 335) affixed to the lead body (10) proximal to the tissue securing means, the radiopaque marker (35 or 335) showing rotational movement or distortion of the radiopaque marker (35 or 335) under fluoroscopy.

    摘要翻译: 一种用于心脏起搏的体动植入式导线(10),其具有近端和远端,所述近端连接到医疗装置,主动固定装置,例如螺旋电极(330),其具有远端和近端 从引线体远端延伸的组织固定装置,在引线的近端和远端之间延伸的电导体(15)和固定到引线体(10)的纵向延伸的不透射线的标记(35或335) 靠近组织固定装置,在透视下显示不透射线标记物(35或335)的旋转运动或变形的不透射线标记(35或335)。

    Radiopaque Marking of Lead Electrode Zone in a Continuous Conductor Construction
    14.
    发明申请
    Radiopaque Marking of Lead Electrode Zone in a Continuous Conductor Construction 审中-公开
    连续导体结构中铅电极区的不透射线标记

    公开(公告)号:US20110160573A1

    公开(公告)日:2011-06-30

    申请号:US13042679

    申请日:2011-03-08

    IPC分类号: A61N1/05 A61B6/00 H01B13/06

    CPC分类号: A61N1/0563

    摘要: A cardiac transvenous defibrillation lead has a continuous coil conductor within a layer of insulation. A portion of the coil conductor is exposed as a defibrillation electrode. In order to enhance fluoroscopic visualization of the exposed electrode during implant, the end of the exposed electrode is marked with a radiopaque element. The element may be in the form of an adhesive filled with radiopaque material that is used to backfill under the layer of insulation. Alternatively, a tube made of radiopaque material may be installed between the layer of insulation and the coil conductor.

    摘要翻译: 心脏静脉除颤引线在绝缘层内具有连续的线圈导体。 线圈导体的一部分作为除颤电极露出。 为了在植入期间增强暴露电极的荧光透视可视化,暴露电极的端部用不透射线的元件标记。 元件可以是填充有不透射线材料的粘合剂的形式,其用于在绝缘层下方回填。 或者,由不透射线材料制成的管可以安装在绝缘层和线圈导体之间。

    MULTILUMEN CATHETER
    15.
    发明申请
    MULTILUMEN CATHETER 审中-公开
    多层导管

    公开(公告)号:US20110046457A1

    公开(公告)日:2011-02-24

    申请号:US12917162

    申请日:2010-11-01

    IPC分类号: A61B5/145 B23P17/04

    摘要: A multilumen catheter having tubings extending into lumens within the catheter. The lumens may be used for blood, drugs or other medicants. The lumens may also be used for sensors. The junction element, external to the patient, connects the tubings to the lumens. The tubings, also external to the patient, connect to infusion members, to which one or more infusion systems may be connected to deliver blood, drugs and other medicants to the patient. A sensor having a sensing element may extend through the sensor lumen and be positioned internal to the patient for physiological parameter sensing. An external portion of the sensor may be connected to associated electronics to provide automatic monitoring of the physiological parameters and automatic delivery and control of the infusants. Also, a central line catheter for delivering fluids directly into a main artery or vein near the heart, which contains a first lumen to deliver a fluid through the central line catheter and a second lumen containing a sensor capable indicating a characteristic level in blood. The first lumen delivers the fluid downstream of the sensor to prevent any interference between the fluid delivery and the sensor readings. In other versions, the central line catheter can have additional lumens for additional purposes. In addition, the central line catheter can further include a flush sleeve to remove debris around the sensor.

    摘要翻译: 一种多管导管,其具有延伸到导管内腔内的管道。 流明可用于血液,药物或其他药物。 流明也可用于传感器。 患者外部的连接元件将管道连接到管腔。 也在患者外部的管连接到输注构件,一个或多个输注系统可以连接到输注构件,以向患者输送血液,药物和其他药剂。 具有感测元件的传感器可以延伸穿过传感器内腔并且位于患者的内部以用于生理参数感测。 传感器的外部部分可以连接到相关联的电子设备,以提供对生理参数的自动监测以及对输入的自动传送和控制。 另外,一种用于将流体直接输送到心脏附近的主动脉或静脉的中心线导管,其包含用于通过中心线导管输送流体的第一内腔和包含能够指示血液中的特征水平的传感器的第二腔。 第一个内腔在传感器的下游传送流体,以防止流体输送和传感器读数之间的任何干扰。 在其他版本中,中心线导管可以具有另外的流明用于其他目的。 此外,中心线导管还可以包括冲洗套筒以去除传感器周围的碎屑。

    Methods and Systems for Accessing the Pericardial Space
    16.
    发明申请
    Methods and Systems for Accessing the Pericardial Space 有权
    用于获取心包空间的方法和系统

    公开(公告)号:US20100249729A1

    公开(公告)日:2010-09-30

    申请号:US12815624

    申请日:2010-06-15

    IPC分类号: A61M5/32 A61N1/00

    摘要: Methods and systems for transvenously accessing the pericardial space via the vascular system and atrial wall, particularly through the superior vena cava and right atrial wall, to deliver treatment in the pericardial space are disclosed. A steerable instrument is advanced transvenously into the right atrium of the heart, and a distal segment is deflected into the right atrial appendage. A fixation catheter is advanced employing the steerable instrument to affix a distal fixation mechanism to the atrial wall. A distal segment of an elongated medical device, e.g., a therapeutic catheter or an electrical medical lead, is advanced through the fixation catheter lumen, through the atrial wall, and into the pericardial space. The steerable guide catheter is removed, and the elongated medical device is coupled to an implantable medical device subcutaneously implanted in the thoracic region. The fixation catheter may be left in place.

    摘要翻译: 公开了通过血管系统和心房壁,特别是通过上腔静脉和右心房壁经心脏进入心包空间的方法和系统,以在心包空间中递送治疗。 一个可操纵的器械被递送到心脏的右心房,远端部分被偏转到右心耳。 使用可操纵的器械来前进固定导管,以将远端固定机构固定在心房壁上。 细长医疗装置(例如治疗性导管或电气医用引线)的远端部分通过固定导管内腔前进通过心房壁并进入心包空间。 可移动的导向导管被移除,并且细长的医疗装置被联接到皮下植入胸部区域的可植入医疗装置。 固定导管可以留在原位。

    Catheter systems having flow restrictors
    17.
    发明授权
    Catheter systems having flow restrictors 有权
    具有流量限制器的导管系统

    公开(公告)号:US07766860B2

    公开(公告)日:2010-08-03

    申请号:US11112077

    申请日:2005-04-22

    IPC分类号: A61M1/00

    摘要: Catheter systems including one or more flow restrictors are disclosed. The catheter systems may include two or more delivery branches. The delivery branches may be connected to a supply catheter section using a branching catheter connector that may include one or more flow restrictors. The flow restrictors may include a restrictor body located within a lumen with a channel located between the restrictor body and interior surface of the lumen, the channel restricting flow through the lumen past the flow restrictor. The channel may be defined by a groove formed in the restrictor body and/or the interior surface of the lumen. Methods of providing pressure relief by flowing fluid past a flow restrictor are also disclosed.

    摘要翻译: 公开了包括一个或多个流量限制器的导管系统。 导管系统可以包括两个或更多个输送分支。 输送分支可以使用可包括一个或多个限流器的分支导管连接器连接到供应导管部分。 限流器可以包括位于管腔内的节流体,通道位于限流器主体和内腔内表面之间,通道限制流经管腔的流经限流器。 通道可以由形成在限流器主体中的凹槽和/或内腔的内表面限定。 还公开了通过使流体流过限流器来提供压力释放的方法。

    EXPANDABLE SYSTEMS FOR MEDICAL ELECTRICAL STIMULATION
    18.
    发明申请
    EXPANDABLE SYSTEMS FOR MEDICAL ELECTRICAL STIMULATION 有权
    用于医疗电刺激的可扩展系统

    公开(公告)号:US20080172117A1

    公开(公告)日:2008-07-17

    申请号:US11622538

    申请日:2007-01-12

    IPC分类号: A61N1/372

    CPC分类号: A61N1/0553 A61N1/0558

    摘要: A medical system for electrical stimulation includes a first column of electrodes, a second column of electrodes, an expandable member disposed between first and second columns, and an expansion mechanism adapted to transmit an externally applied pressure to the expandable member. The pressure expands the expandable member in order to force the first column of electrodes apart from the second column of electrodes. The first and second columns, disposed side-by-side, may be inserted through a percutaneous needle and into a epidural space, alongside a spinal cord; after insertion, the first column may be forced apart from the second column by applying the pressure to the expandable member.

    摘要翻译: 用于电刺激的医疗系统包括第一列电极,第二电极列,设置在第一和第二列之间的可扩张构件以及适于将外部施加的压力传递到可扩张构件的膨胀机构。 压力使可膨胀构件膨胀,以迫使第一列电极与第二列电极分开。 并排设置的第一和第二列可以穿过经皮针插入到与脊髓一起的硬膜外腔中; 在插入之后,通过向可膨胀构件施加压力,第一柱可以被迫离开第二柱。

    INTRATHECAL CATHETER
    19.
    发明申请
    INTRATHECAL CATHETER 审中-公开
    内部导管

    公开(公告)号:US20080140008A1

    公开(公告)日:2008-06-12

    申请号:US11951771

    申请日:2007-12-06

    IPC分类号: A61M5/178 A61M31/00 B65D69/00

    摘要: An intrathecal catheter for delivering fluid to, or withdrawing fluid from, the cerebrospinal fluid compartment of a patient, includes a proximal end and a distal portion. The distal portion has an outer diameter of about 1 mm or less, a bending stiffness of about 0.002 pounds per square inch or less, and a distal end. A delivery region is located between the proximal end and the distal end, and a lumen extends from the proximal end to the delivery region. The catheter may further include a coiled structure region to prevent dislodgement of the catheter from a tissue in which the coiled structure is implanted, for example the cisterna magna. The catheter may also include tines to anchor portions of the catheter, for example to a portion of the spinal canal.

    摘要翻译: 用于将流体输送到患者的脑脊液腔室或从患者的脑脊液腔室排出流体的鞘内导管包括近端和远端部分。 远侧部分具有约1mm或更小的外径,约0.002磅/平方英寸或更小的弯曲刚度和远端。 输送区域位于近端和远端之间,并且内腔从近端延伸到输送区域。 导管还可以包括螺旋结构区域,以防止导管从其中植入线圈结构的组织例如大便池移出。 导管还可以包括用于锚定导管的部分的齿,例如到椎管的一部分。

    Pacing lead with integral guidance using ultrasound
    20.
    发明授权
    Pacing lead with integral guidance using ultrasound 失效
    使用超声波整体引导起搏引导

    公开(公告)号:US5968085A

    公开(公告)日:1999-10-19

    申请号:US63170

    申请日:1998-04-20

    IPC分类号: A61B8/08 A61N1/05

    摘要: A pacing lead of the type having a hollow lead body with a conductor linking the electrode at one end with the connector at the other end has a guide wire or stylet either connected to a mechanical vibrator or carrying an ultrasonic transducer in order to cause the guidewire to move within the body to facilitate the display of the catheter position on external ultrasonic monitoring equipment.

    摘要翻译: 具有中空引线体的类型的起搏引线具有将一端的电极与另一端的连接器连接的导体,具有连接到机械振动器或承载超声波换能器的引导线或探针,以便引导导丝 在体内移动以便于在外部超声波监测设备上显示导管位置。