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1. 发明授权

US06468260B1 Single gear drive bidirectional control handle for steerable catheter 失效
标题翻译：单齿轮驱动双向控制手柄，用于导向导管
公开(公告)号：US06468260B1
公开(公告)日：2002-10-22
申请号：US09546310
申请日：2000-04-10
申请人： Timothy Ray Bumbalough , Matthew F. Duncan , Bruce A. Christie
发明人： Timothy Ray Bumbalough , Matthew F. Duncan , Bruce A. Christie
IPC分类号： A61M2500
CPC分类号： A61M25/0147 , A61M25/0136 , A61M2025/015
摘要： A bi-directional steerable catheter comprising an elongated, tubular catheter body having at least one lumen, a tip section comprising flexible tubing having at least two lumens and fixedly attached to the distal end of the catheter body, and a control handle mounted to the proximal end of the catheter body. The control handle comprises a generally hollow handle housing, a generally tubular core extending longitudinally within the housing, and a generally circular spur gear rotatably mounted within the handle housing. First and second pistons are slidably mounted on the diametrically opposed sides of the spur gear and have puller wires attached to their distal ends. A longitudinally movable thumb control is fixedly attached to the first piston and accessible from outside the handle housing.
摘要翻译：一种双向可导向导管，包括具有至少一个内腔的细长的管状导管主体，末端部分包括具有至少两个腔的柔性管，并且固定地附接到导管主体的远端，以及安装到近端导管体的末端。控制手柄包括通常中空的手柄壳体，在壳体内纵向延伸的大致管状芯体，以及可旋转地安装在手柄壳体内的大致圆形的正齿轮。第一和第二活塞可滑动地安装在正齿轮的直径相对的侧面上，并具有连接到其远端的拉线。纵向运动的拇指控制器固定地附接到第一活塞并且可从手柄外壳的外部接近。

2. 发明授权

US06267746B1 Multi-directional steerable catheters and control handles 有权
标题翻译：多向导向导管和控制手柄
公开(公告)号：US06267746B1
公开(公告)日：2001-07-31
申请号：US09274050
申请日：1999-03-22
申请人： Timothy Ray Bumbalough
发明人： Timothy Ray Bumbalough
IPC分类号： A61M3700
CPC分类号： A61M25/0147 , A61M25/0136 , A61M2025/015
摘要： A steerable catheter comprises a catheter body, a tip section mounted to the distal end of the catheter body, and a control handle mounted to the proximal end of the catheter body. The control handle comprises a housing having a piston chamber and a piston slidably mounted in the piston chamber. The piston is longitudinally movable between proximal and distal positions. A longitudinal groove having proximal and distal ends and extends along a portion of the length of the piston. A puller wire anchor is slidably disposed within the longitudinal groove. A puller wire extends from the control handle, through a lumen in the catheter body and into a lumen in the tip section. The proximal end of the puller wire is fixedly attached to the puller wire anchor. A set screw is fixedly attached to the handle housing and extends radially inwardly into the longitudinal groove in the piston. When the piston is slid distally relative to the handle housing, the set screw prevents the puller wire anchor from moving distally with the piston, resulting in deflection of the tip section in the direction of the side to which the puller wire is anchored.
摘要翻译：可导向导管包括导管主体，安装到导管主体的远端的尖端部分和安装到导管主体的近端的控制手柄。控制手柄包括具有活塞室和可滑动地安装在活塞室中的活塞的壳体。活塞可在近端和远端之间纵向移动。纵向槽具有近端和远端并且沿活塞的长度的一部分延伸。拉线锚固件可滑动地设置在纵向槽内。拉线从控制手柄延伸通过导管主体中的内腔并进入尖端部分的内腔。拉线的近端固定地连接到拉线器锚。固定螺钉固定地附接到手柄壳体并且径向向内延伸到活塞中的纵向凹槽中。当活塞相对于手柄壳体向远侧滑动时，固定螺钉防止拉线器锚固件随着活塞向远侧移动，导致尖端部分沿着拉线被锚固的一侧的方向偏转。

3. 发明授权

US06183435B2 Multi-directional steerable catheters and control handles 有权
标题翻译：多向导向导管和控制手柄
公开(公告)号：US06183435B2
公开(公告)日：2001-02-06
申请号：US09273679
申请日：1999-03-22
申请人： Timothy Ray Bumbalough , Matthew Frederic Duncan , David Blanchard Opie
发明人： Timothy Ray Bumbalough , Matthew Frederic Duncan , David Blanchard Opie
IPC分类号： A61M3700
CPC分类号： A61M25/0147 , A61M25/0136 , A61M2025/015
摘要： A multi-directional steerable catheter comprises a catheter body, a tip section attached to the distal end of the catheter body, and a control handle mounted at its distal end to the proximal end of the catheter body. The control handle comprises a housing having a piston chamber extending therethrough and a piston assembly having proximal and distal portions slidably mounted in the piston chamber and longitudinally movable between proximal and distal positions. The proximal portion of the piston assembly comprises a distal section comprising a plurality of notches at its proximal end, a proximal section comprising a plurality of longitudinal grooves about its entire circumference separated by dividing walls having angled distal ends, and a circumferential recess between the proximal section and distal section. The piston assembly further comprises a ring rotatably mounted on the piston assembly comprising a plurality of projections that extend radially inwardly into the circumferential recess and that are capable of being received by the longitudinal grooves. The number of projections is less than the number of longitudinal grooves. The ring further comprises a plurality of teeth at its distal end capable of being received by the notches. First and second puller wire anchors are slidably disposed within a corresponding longitudinal groove. First and second puller wires extend from the control handle, through a lumen in the catheter body and into a lumen in the tip section. The proximal end of each puller wire is fixedly attached to a separate puller wire anchor in the control handle. The distal ends of the puller wires are anchored at different locations in the tip section to form first curve and second curves in response to proximal movement of the first and second puller wires, respectively, relative to the catheter body.
摘要翻译：多向导向导管包括导管主体，附接到导管主体的远端的尖端部分和安装在其远端处于导管主体的近端的控制手柄。控制手柄包括具有延伸穿过其中的活塞室的壳体和活塞组件，活塞组件具有可滑动地安装在活塞室中的近端部分和远端部分，并且可在近端位置和远端位置之间纵向移动。活塞组件的近端部分包括在其近端包括多个凹口的远端部分，近侧部分包括围绕其整个圆周的多个纵向凹槽，所述纵向凹槽由具有成角度的远端的分隔壁隔开，并且在近端截面和远端部分。活塞组件还包括可旋转地安装在活塞组件上的环，其包括多个突出部，该突出部径向向内延伸到周向凹部中并且能够被纵向凹槽容纳。突起的数量小于纵向槽的数量。所述环还包括其远端处的多个齿，其能够被所述凹口接收。第一和第二拉线锚固件可滑动地设置在相应的纵向凹槽内。第一和第二拉线从控制手柄延伸通过导管主体中的内腔并进入尖端部分的内腔。每个拉线的近端固定地附接到控制手柄中的单独的拉线锚。牵引线的远端锚定在尖端部分中的不同位置处，以分别响应于相对于导管主体的第一和第二牵拉线的近端运动而形成第一曲线和第二曲线。

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