Irrigated tip catheter and method for manufacturing therefor
    1.
    发明申请
    Irrigated tip catheter and method for manufacturing therefor 有权
    灌注式导管及其制造方法

    公开(公告)号:US20060184165A1

    公开(公告)日:2006-08-17

    申请号:US11058434

    申请日:2005-02-14

    Abstract: An irrigated tip electrode design includes a shell generally surrounding a plug which jointly define a chamber that is fed with fluid by a lumen. The fluid is distributed to the outer surface of the tip electrode through fluid passages. The chamber is advantageously isolated from a region of the tip electrode occupied by electrical and/or electromagnetic components in the tip electrode. Lumens occupied by the these components terminate in blind holes that have no communication with the chamber. A method of fabricating includes providing a shell configured from a rod to provide an open interior cavity, sealing and partially filling the cavity with a plug to form a chamber, then forming fluid passages between the cavity and an outer surface of the tip electrode, and providing a lumen through which fluid can enter the chamber and exit therefrom through the fluid passages.

    Abstract translation: 灌注的尖端电极设计包括通常围绕塞子的外壳,该壳体共同限定通过管腔供给流体的腔室。 流体通过流体通道分配到末端电极的外表面。 该腔室有利地从尖端电极的电极和/或电磁部件所占据的尖端电极区域隔离。 由这些组件占据的流明终止于与腔室无通信的盲孔中。 一种制造方法包括提供由杆构成的壳体以提供开放的内部空腔,用塞子密封并部分地填充空腔以形成腔室,然后在腔体和尖端电极的外表面之间形成流体通道,以及 提供流体,流体可以通过该腔流入腔室并通过流体通道从其中离开。

    Method for making a low ohmic pressure-contact electrical connection between the ring electrode under surface and the lead wire
    2.
    发明申请
    Method for making a low ohmic pressure-contact electrical connection between the ring electrode under surface and the lead wire 有权
    在表面的环形电极与引线之间进行低欧姆压力接触电连接的方法

    公开(公告)号:US20050097737A1

    公开(公告)日:2005-05-12

    申请号:US10706024

    申请日:2003-11-12

    Abstract: A method for attaching a ring electrode to the shaft of the tip section of a catheter comprises passing an electrode lead wire through a lumen in the catheter and out an exit hole in the tip section. The portion of the electrode lead wire extending out of the exit hole is stripped of non-conductive coating and wrapped around the shaft and secured in a clove hitch arrangement. The wrapped electrode lead wire is pulled tight while the material of the shaft is heated to embed the electrode lead wire in the shaft so that its outermost surface is generally flush with the surface of the shaft. The exit hole is sealed and a ring electrode, having a flared skirt is slipped over the shaft to a position over the wrapped electrode lead wire and exit hole. It is then swaged to reduce its outer diameter to about that of the outer diameter of the shaft of the tip section to thereby create a low ohmic connection with the electrode lead wire.

    Abstract translation: 用于将环形电极附接到导管的尖端部分的轴的方法包括使电极引线穿过导管中的内腔并从尖端部分中的出口孔出来。 从出口孔延伸出的电极引线的部分被剥去非导电涂层,并缠绕在轴上并固定在丁香钩挂装置中。 缠绕的电极引线被拉紧,同时轴的材料被加热以将电极引线嵌入轴中,使得其最外表面大致与轴的表面齐平。 出口孔被密封,并且具有扩口裙部的环形电极在轴上滑动到包裹的电极引线和出口孔上方的位置。 然后将其外径减小到尖端部分的轴的外径的外径,从而产生与电极引线的低欧姆连接。

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