利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

368 条记录 (耗时 0.03 秒)

    Catheter for electrophysiological procedures
    51.
    发明授权
    Catheter for electrophysiological procedures 失效
    导管用于电生理程序

    公开(公告)号：US5662606A

    公开(公告)日：1997-09-02

    申请号：US339125

    申请日：1994-11-14

    申请人： William W. Cimino ,  Robert Abrams ,  Miriam H. Taimisto ,  Marc Jenson ,  Patrick E. Macaulay

    发明人： William W. Cimino ,  Robert Abrams ,  Miriam H. Taimisto ,  Marc Jenson ,  Patrick E. Macaulay

    IPC分类号： A61B5/0408 ,  A61B5/0402 ,  A61B5/042 ,  A61B5/0478 ,  A61B5/0492 ,  A61B17/00 ,  A61B18/00 ,  A61B18/12 ,  A61B18/14 ,  A61M25/00 ,  A61M25/01 ,  A61M37/00

    CPC分类号： A61B5/0422 ,  A61B18/00 ,  A61B18/1492 ,  A61B5/6852 ,  A61B5/6855 ,  A61M25/0136 ,  A61M25/0144 ,  A61M25/0147 ,  A61B2017/00039 ,  A61B2017/00044 ,  A61B2017/00292 ,  A61B2017/003 ,  A61B2017/00853 ,  A61B2018/0016 ,  A61B2018/00351 ,  A61B2018/00577 ,  A61B2018/00839 ,  A61B2018/0091 ,  A61B2018/00916 ,  A61B2018/00946 ,  A61B2018/1253 ,  A61B2562/0209 ,  A61B2562/043 ,  A61M25/0043 ,  A61M25/0054

    摘要： A catheter adapted to perform electrophysiological procedures comprises a body member, a manipulation handle attached to the proximal end of the body member for applying torque to the body member, the handle having a control knob adapted for control movements in a first plane and in a second plane simultaneously. A deflection control line is attached at its distal end to the distal portion of the catheter and its proximal end attached to the control device of the handle so that tension applied to the control line by sliding the control knob causes deflection of the distal portion of the catheter. A stiffening member is disposed within the body member of the catheter and is slidable, said stiffening member providing increased rigidity to the portion of the body member in which the stiffening member is located. Rotation of the control knob controls the position of the stiffening member in the body member. In a further aspect, a stiffening member in accordance with one embodiment includes a tapered distal end section with a ball formed on the distal tip, the tapered section terminating at the ball. In accordance with another aspect, the torsional rigidity of the catheter body is increased by use of a layer of aramid fibers mixed with an epoxy. In yet another feature, the handle and rotatable sliding element are symmetrically shaped to facilitate complete single-handed operation of the handle by the physician of all position control aspects of the catheter.

    摘要翻译： 适于执行电生理过程的导管包括身体构件，附接到身体构件的近端的操纵手柄，用于向身体构件施加扭矩，手柄具有适于控制第一平面中的运动的控制旋钮， 飞机同时进行。 偏转控制线在其远端附接到导管的远端部分，并且其近端附接到手柄的控制装置，使得通过滑动控制旋钮施加到控制线的张力导致远端部分的偏转 导管。 加强构件设置在导管的主体构件内并且可滑动，所述加强构件为加强构件所在的主体构件的部分提供增加的刚性。 控制旋钮的旋转控制加强构件在主体构件中的位置。 在另一方面，根据一个实施例的加强构件包括锥形远端部分，其具有形成在远侧末端上的球，锥形部分终止于球。 根据另一方面，通过使用与环氧树脂混合的芳族聚酰胺纤维层来增加导管体的扭转刚度。 在另一个特征中，手柄和可旋转的滑动元件是对称的，以便于医生对导管的所有位置控制方面的手柄的完全单手操作。

    Steerable electrode catheter
    53.
    发明授权
    Steerable electrode catheter 失效
    可导电电极导管

    公开(公告)号：US5611777A

    公开(公告)日：1997-03-18

    申请号：US518521

    申请日：1995-08-23

    申请人： Russell W. Bowden ,  Gary S. Falwell ,  Charles A. Gibson ,  Richard B. Stevens ,  Debbie E. Stevens-Wright

    发明人： Russell W. Bowden ,  Gary S. Falwell ,  Charles A. Gibson ,  Richard B. Stevens ,  Debbie E. Stevens-Wright

    IPC分类号： A61B5/0402 ,  A61M25/01 ,  A61M25/092 ,  A61M37/00 ,  A61B5/042 ,  A61M25/00

    CPC分类号： A61M25/0144 ,  A61M25/0136 ,  A61M25/0147 ,  A61B18/1815 ,  A61B2017/003 ,  A61B2018/0016 ,  A61B2018/00916 ,  A61B2018/00946 ,  A61B2018/00952 ,  A61M25/0141

    摘要： A steerable catheter includes control handle having a generally tubular housing with a longitudinal slot therein in which an axially or longitudinally movable two-part slideblock resides, and a generally cylindrical, rotatably mounted thumbwheel surrounding a distal portion of the tubular housing, for controlling the axial translation of the slideblock. The pullwire passes into the distal end of the control handle and is only secured to the proximal part of the two-part slideblock so as to prevent the user from placing the pullwire under compression. A tip radius adjusting wire is attached to and extends distally from a slide actuator in the control handle into and through the main catheter shaft portion. The free distal end of the tip radius adjusting wire is selectably Iocatable at different positions. The radius of curvature of the tip portion, when deflected, depends upon how far distally into the deflectable tip portion the radius adjusting wire has been advanced by the user. The electrode catheter thus has a deflectable tip whose radius of curvature is adjustable over a relatively wide range.

    摘要翻译： 可导向的导管包括控制手柄，其具有大致管状的壳体，其中纵向狭槽在其中，轴向或纵向可移动的两部分滑块位于其中，以及围绕管状壳体的远端部分的大致圆柱形可旋转地安装的指轮，用于控制轴向 幻灯片的翻译。 拉线进入控制手柄的远端，并且仅固定到两部分滑块的近端部分，以防止使用者将拉线放置在压缩状态。 尖端半径调节线附接到控制手柄中的滑块致动器并远离其延伸并且穿过主导管轴部分。 尖端半径调整线的自由端可选地位于不同的位置。 尖端部分的弯曲半径在偏转时取决于使用者已经使半径调节线前进到可偏转尖端部分的远端。 因此，电极导管具有可偏转的尖端，其弯曲半径在相对宽的范围内是可调节的。

    Position-adjustable thoracic catheter
    60.
    发明授权
    Position-adjustable thoracic catheter 失效
    位置可调节胸导管

    公开(公告)号：US4976688A

    公开(公告)日：1990-12-11

    申请号：US306509

    申请日：1989-02-03

    申请人： Jeffrey L. Rosenblum

    发明人： Jeffrey L. Rosenblum

    IPC分类号： A61M25/01

    CPC分类号： A61M25/0147 ,  A61B2018/00946

    摘要： A flexible catheter having an integral curvature control mechanism is disclosed. This mechanism allows the curvature of the catheter to be changed while at least part of the catheter is in a patient, thereby facilitating positioning of the catheter within the patient.

    摘要翻译： 公开了一种具有整体曲率控制机构的柔性导管。 该机构允许导管的曲率改变，同时导管的至少一部分位于患者体内，从而便于将导管定位在患者体内。