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    • 3. 发明授权
    • Catheter having a multiple durometer
    • 导管具有多重硬度计
    • US5624397A
    • 1997-04-29
    • US308142
    • 1994-09-19
    • Phillip J. SnokeDavid S. RowleyDavid G. LincolnKirk W. Charles
    • Phillip J. SnokeDavid S. RowleyDavid G. LincolnKirk W. Charles
    • A61B1/01A61B1/12A61B1/313A61M25/00A61M25/01A61M25/092A61M37/00
    • A61M25/0141A61B1/0057A61M25/01A61M25/0136A61M25/0147A61B1/3132A61M2025/015A61M25/0009
    • The catheter is formed by a housing having a size and shape which fits readily into the hand of the user. An elongate tube is connected to and extends from the housing. The elongate tube is formed from a flexible polymeric material and constructed of three portions, a proximal portion, a medial portion, and a distal portion. Each of the portions is coaxial with one another and the longitudinal axis of the catheter housing. In addition, each of the portions has substantially the same outer circumference. The proximal and distal portions are formed of a flexible polymeric material which has a higher durometer of hardness than that of the medial portion. A pair of control wires extend longitudinally through the proximal, medial, and distal portions and parallel to the axis of the coaxial portions for selectively bending the portions in response to movement of the control wires. A control wheel is carried by the housing for controlling the movement of the control wires to thereby bend the selected portions and remotely manipulate the catheter within a human body. At least one lumen extends from the catheter body through each of the proximal, medial and distal portions of the elongate tube to form a working channel therein.
    • 导管由具有尺寸和形状的壳体形成,其容易地配合到使用者的手中。 细长管连接到壳体并从壳体延伸出来。 细长管由柔性聚合物材料形成并由三部分组成,即近端部分,中间部分和远端部分。 每个部分彼此同轴并且导管外壳的纵向轴线。 此外,每个部分具有基本上相同的外圆周。 近端部分和远侧部分由柔性聚合物材料形成,其具有比内侧部分的硬度更高的硬度。 一对控制线纵向延伸通过近端,中间部分和远端部分并且平行于同轴部分的轴线,以响应于控制线的移动来选择性地弯曲部分。 控制轮由壳体承载,用于控制控制线的运动,从而弯曲所选择的部分并远程地操纵人体内的导管。 至少一个腔从导管主体延伸穿过细长管的近端,内侧和远端部分中的每一个,以在其中形成工作通道。
    • 4. 发明授权
    • Steerable catheter
    • 导向导管
    • US5342299A
    • 1994-08-30
    • US908403
    • 1992-07-06
    • Phillip J. SnokeDavid S. RowleyDavid G. LincolnKirk W. Charles
    • Phillip J. SnokeDavid S. RowleyDavid G. LincolnKirk W. Charles
    • A61B1/12A61B1/313A61M25/01A61M37/00
    • A61M25/0147A61M25/0136A61B1/12A61B1/3132
    • A catheter for use in body vessels or cavities has a housing of such size as to be readily held in the hand of a user and elongate tube means having one end connected to the housing and extending outwardly therefrom and being formed of material of such a stiffness so as to maintain the elongate tube means in straight condition in the absence of an external force applied thereto, an outer end portion of the elongate tube means being flexible. Guide wires are connected to the housing by the inner ends thereof and extend outwardly therefrom through the elongate tube means. The outer ends of the guide wires are connected to the flexible outer end portion of the elongate tube means. Guide wire control means is carried by the housing and cooperates with the inner end portions of the guide wires for controlling the angular attitude of the flexible outer end portion of the elongate tube means.
    • 用于体内容器或空腔的导管具有容易保持在使用者手中的尺寸的壳体和具有连接到壳体并从其向外延伸的细长管装置的壳体,并且由这种刚度的材料形成 以便在没有施加外力的情况下将细长管装置保持在直的状态,细长管装置的外端部分是柔性的。 引导线通过其内端连接到壳体,并通过细长管装置从外部向外延伸。 引导线的外端连接到细长管装置的柔性外端部分。 引导线控制装置由壳体承载并与导丝的内端部配合,用于控制细长管装置的柔性外端部的角度姿态。
    • 6. 发明授权
    • Steerable catheter
    • 导向导管
    • US5531687A
    • 1996-07-02
    • US367105
    • 1994-12-30
    • Phillip J. SnokeDavid S. RowleyDavid G. LincolnKirk W. Charles
    • Phillip J. SnokeDavid S. RowleyDavid G. LincolnKirk W. Charles
    • A61B1/12A61B1/313A61M25/01A61M37/00
    • A61M25/0147A61M25/0136A61B1/12A61B1/3132
    • A catheter for use in body vessels or cavities has a housing of such size as to be readily held in the hand of a user and elongate tube means having one end connected to the housing and extending outwardly therefrom and being formed of material of such a stiffness so as to maintain the elongate tube means in straight condition in the absence of an external force applied thereto, an outer end portion of the elongate tube means being flexible. Guide wires are connected to the housing by the inner ends thereof and extend outwardly therefrom through the elongate tube means. The outer ends of the guide wires are connected to the flexible outer end portion of the elongate tube means. Guide wire control means is carried by the housing and cooperates with the inner end portions of the guide wires for controlling the angular attitude of the flexible outer end portion of the elongate tube means.
    • 用于体内容器或空腔的导管具有容易保持在使用者手中的尺寸的壳体和具有连接到壳体并从其向外延伸的细长管装置的壳体,并且由这种刚度的材料形成 以便在没有施加外力的情况下将细长管装置保持在直的状态,细长管装置的外端部分是柔性的。 引导线通过其内端连接到壳体,并通过细长管装置从外部向外延伸。 引导线的外端连接到细长管装置的柔性外端部分。 引导线控制装置由壳体承载并与导丝的内端部配合,用于控制细长管装置的柔性外端部的角度姿态。