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30 条记录 (耗时 0.051 秒)

    Multi-fiber laser catheter
    5.
    发明授权
    Multi-fiber laser catheter 失效
    多光纤激光导管

    公开(公告)号：US5830209A

    公开(公告)日：1998-11-03

    申请号：US529810

    申请日：1995-09-18

    申请人： Steven D. Savage ,  Gregory G. Brucker

    发明人： Steven D. Savage ,  Gregory G. Brucker

    IPC分类号： A61B17/00 ,  A61B17/22 ,  A61B18/00 ,  A61B18/24 ,  A61B17/36

    CPC分类号： A61B18/24 ,  A61B2017/00092 ,  A61B2017/00243 ,  A61B2017/22038 ,  A61B2018/00011

    摘要： Laser catheters according to the invention include multiple optical fibers for delivery of laser energy to a pre-determined treatment site in the therapeutic treatment of cardiac tissue. A fixation device fixes the distal end of the catheter to the treatment site. Temperature sensing devices disposed on the fixation device provide a temperature depth profile of the tissue treatment site, which can be used to control the treatment. Multi-piece, single-piece and porous tip catheters are disclosed.

    摘要翻译： 根据本发明的激光导管包括用于在心脏组织的治疗性治疗中将激光能量传递到预定治疗部位的多根光纤。 固定装置将导管的远端固定到治疗部位。 设置在固定装置上的温度感测装置提供可用于控制处理的组织处理部位的温度深度分布。 公开了多片，单件和多孔尖端导管。

    Steerable catheter
    7.
    发明授权
    Steerable catheter 失效
    导向导管

    公开(公告)号：US5507725A

    公开(公告)日：1996-04-16

    申请号：US173250

    申请日：1993-12-22

    申请人： Steven D. Savage ,  Gregory G. Brucker

    发明人： Steven D. Savage ,  Gregory G. Brucker

    IPC分类号： A61M25/01 ,  A61M25/092 ,  A61M37/00

    CPC分类号： A61M25/0144 ,  A61M25/0147

    摘要： The invention relates to a steering system for a catheter tip. The system includes wire members that extend through a catheter wall that are used to pull a distal portion of the catheter tip causing controlled, predetermined bending at the tip. Anchoring members located near the catheter tip connect the distal end of the catheter with wire members. The steering system also contains control members which are located at a proximal portion of the catheter and are used to control the pull on the wire members. Steering enhancement members are also included in the steering system which facilitate the bending of the catheter wall.

    摘要翻译： 本发明涉及一种用于导管尖端的转向系统。 该系统包括延伸通过导管壁的线构件，其用于拉动导管末端的远端部分，从而在尖端处引起受控的预定弯曲。 位于导管尖端附近的锚固构件将导管的远端与导线构件连接。 转向系统还包含位于导管的近端部分的控制构件，并用于控制线构件上的拉动。 转向增强构件也包括在便于导管壁弯曲的转向系统中。

    Process and apparatus for mapping of tachyarrhythmia
    8.
    发明授权
    Process and apparatus for mapping of tachyarrhythmia 失效
    快速性心律失常的过程和仪器

    公开(公告)号：US5409008A

    公开(公告)日：1995-04-25

    申请号：US83200

    申请日：1993-06-25

    申请人： Robert H. Svenson ,  Gregory G. Brucker ,  Steven D. Savage

    发明人： Robert H. Svenson ,  Gregory G. Brucker ,  Steven D. Savage

    IPC分类号： A61B5/0408 ,  A61B5/042 ,  A61B5/0478 ,  A61B5/0492 ,  A61B17/00 ,  A61B18/02 ,  A61B18/12 ,  A61B18/14 ,  A61B18/24 ,  A61M3/02 ,  A61M25/00 ,  A61N1/05 ,  A61B5/04 ,  A61N1/04

    CPC分类号： A61B5/0422 ,  A61B18/1492 ,  A61N1/056 ,  A61B18/02 ,  A61B18/1402 ,  A61B18/24 ,  A61B2017/00243 ,  A61B2017/00292 ,  A61B2018/1266 ,  A61M3/0279

    摘要： Process and apparatus for mapping of tachyarrhythmia, such as ventricular tachycardia. The apparatus is a mapping catheter which is a polymer member including a plurality of electrodes at a distal end. An upper ring is divided into at least bipolar poles for sensing endocardial potentials. A spaced lower unipolar ring senses intercardic potentials. The process provides for sensing of a QRS signal with the upper bipolar electrodes, and the unipolar ring provides for sensing of the EKG signal. The mapping catheter is of such a size that the mapping catheter can be inserted up and through a hand-held probe to steer and guide the mapping catheter. An interventional catheter will fit within the mapping catheter for ablation of arrhythmogenic sites. One embodiment is a laser delivery catheter which can include a fiber optic cable, a fixation wire, a metal sensing tip and an internal flushing lumen.

    摘要翻译： 快速心律失常的定位过程和装置，如室性心动过速。 该装置是映射导管，其是在远端包括多个电极的聚合物构件。 至少双极极分为上环，用于感应心内膜电位。 间隔较低的单极环感知心电位。 该过程提供了利用上双极电极感测QRS信号，并且单极环提供用于感测EKG信号。 映射导管的尺寸使得映射导管可以插入上方并通过手持探针来引导和引导映射导管。 介入导管将适合于映射导管，用于消融致心律失常部位。 一个实施例是激光输送导管，其可以包括光纤电缆，固定线，金属感测尖端和内部冲洗腔。

    Multi-fiber linear array laser catheter connector
    9.
    发明授权
    Multi-fiber linear array laser catheter connector 失效
    多光纤线阵激光导管连接器

    公开(公告)号：US5290277A

    公开(公告)日：1994-03-01

    申请号：US863098

    申请日：1992-04-03

    申请人： Charmaine Vercimak ,  Steven D. Savage ,  Gregory G. Brucker

    发明人： Charmaine Vercimak ,  Steven D. Savage ,  Gregory G. Brucker

    IPC分类号： A61B18/24 ,  G02B6/42 ,  A61B17/36

    CPC分类号： G02B6/3624 ,  A61B18/24 ,  G02B6/4296 ,  G02B6/241 ,  G02B6/3628

    摘要： A multi-fiber linear array laser catheter for use in irradiation of biological tissue where a circular laser beam is optically transformed to coincide with the cross-section of a linear array of optical fibers. The transformed laser beams are focused onto a linear connector and transmitted through a plurality of parallel optical fibers. Heat is extracted and drawn from the vicinity of the parallel optic fibers by metallic plates acting as heat sinks on opposing sides of the parallel optic fibers.

    摘要翻译： 一种用于生物组织照射的多光纤线阵激光导管，其中圆形激光束被光学变换以与光纤的线性阵列的横截面一致。 变换的激光束聚焦在线性连接器上，并透过多个平行的光纤。 通过在平行光纤的相对侧上作为散热器的金属板，从平行光纤的附近提取热量。

    Porous irrigated tip electrode catheter
    10.
    发明授权
    Porous irrigated tip electrode catheter 有权
    多孔灌注电极导管

    公开(公告)号：US06466818B1

    公开(公告)日：2002-10-15

    申请号：US09371905

    申请日：1999-08-10

    申请人： Shahram Moaddeb ,  Michele M. Fung ,  Gregory G. Brucker ,  Steven D. Savage

    发明人： Shahram Moaddeb ,  Michele M. Fung ,  Gregory G. Brucker ,  Steven D. Savage

    IPC分类号： A61N130

    CPC分类号： A61N1/06

    摘要： An irrigated tip catheter comprises a catheter body, a tip section, and a porous tip electrode. The catheter body has an outer wall, proximal and distal ends, and a lumen extending therethrough. The tip section comprises a segment of flexible tubing having proximal and distal ends and at least one lumen therethrough. The proximal end of the tip section is fixedly attached to the distal end of the catheter body. The porous tip electrode is fixedly attached to the distal end of the tubing of the tip section. The tip electrode has an outer surface and comprises a body and an insert. The body comprises a porous material through which fluid can pass and has a cavity therein. The insert, which comprises a non-porous material, is contained within the cavity of the shell. The insert has at least one passage extending therethrough in fluid communication with a lumen in the tip section. An infusion tube having proximal and distal ends extends through the central lumen in the catheter body. The distal end of the infusion tube is in fluid communication with the proximal end of the passage in the tip electrode, whereby fluid can flow through the infusion tube, into the passage in the tip electrode and through the porous material of tip electrode to the outer surface of the tip electrode.

    摘要翻译： 灌注的尖端导管包括导管主体，尖端部分和多孔尖端电极。 导管主体具有外壁，近端和远端以及从其延伸穿过的内腔。 尖端部分包括具有近端和远端以及穿过其中的至少一个内腔的柔性管段。 尖端部分的近端固定地附接到导管主体的远端。 多孔尖端电极固定地附接到尖端部分的管道的远端。 尖端电极具有外表面并且包括主体和插入件。 主体包括多孔材料，流体可穿过该多孔材料并且其中具有空腔。 包括无孔材料的插入件被包含在壳的空腔内。 插入件具有至少一个通过其延伸穿过其中的通道，其与尖端部分中的内腔流体连通。 具有近端和远端的输液管延伸穿过导管主体中的中心腔。 输液管的远端与尖端电极中的通道的近端流体连通，由此流体可以流过输注管，进入尖端电极的通道并通过尖端电极的多孔材料到外部 尖端电极的表面。