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    • 61. 发明授权
    • Enhanced contact steerable bowing electrode catheter assembly
    • 增强接触导向弓形导管组件
    • US5879295A
    • 1999-03-09
    • US825778
    • 1997-04-02
    • Hong LiMark A. MaGuire
    • Hong LiMark A. MaGuire
    • A61B18/14A61M25/01A61M25/092A61N1/05
    • A61M25/0147A61B18/1492A61B18/1815A61B2018/0016A61B2018/0091A61M2025/0163A61M25/0141
    • A catheter assembly (2) includes a proximal end assembly (4), with four slidable movable manipulators (12, 14, 16, 18) and a bowing catheter (6) extending from the proximal end assembly. The bowing catheter includes an elongate, flexible catheter body (24), having a tip portion (30) carrying electrodes (32), first and second elongate push/pull manipulator wires (26, 28), and a sheath (22) housing the catheter body and manipulator wires. The sheath, catheter body and manipulator wires are each coupled to a manipulator. The manipulator wires are connected to positions (40, 42) on either side of a stiff tip segment (43). The manipulator wires have sufficient columnar strength/stiffness to maintain the tip segment at a range of relatively stable orientations to cause the bowed tip to be deflected in in-plane and out-of-plane deflections.
    • 导管组件(2)包括近端组件(4),具有四个可滑动的可移动操纵器(12,14,16,18)和从近端组件延伸的弓形导管(6)。 弓形导管包括细长的柔性导管主体(24),其具有承载电极(32)的尖端部分(30),第一和第二细长推/拉操作器线(26,28)以及容纳 导管体和机械手导线。 护套,导管主体和操纵器导线各自连接到操纵器。 操纵器线连接到刚性尖端段(43)的任一侧上的位置(40,42)。 操纵器线具有足够的柱状强度/刚度,以将尖端段保持在相对稳定取向的范围内,以使弓形尖端在平面内和面外偏转中偏转。
    • 63. 发明授权
    • Protective, visible suture sleeve for anchoring transvenous lead bodies
    • 保护性,可见的缝合套管,用于锚固经静脉引导体
    • US5423763A
    • 1995-06-13
    • US78521
    • 1993-06-17
    • John R. HellandHong Li
    • John R. HellandHong Li
    • A61M25/02A61N1/05A61M39/00
    • A61M25/02A61N1/057A61M2025/028A61M2025/0286A61N2001/0582Y10S128/26
    • A suture sleeve for anchoring the lead body of an implantable medical device includes a tubular body having an exterior surface defining at least one annular, suture-receiving groove. The exterior surface further includes at least one longitudinally extending groove intersecting the at least one annular suture receiving groove and having ends extending longitudinally beyond the at least one suture receiving groove. The interior surface of the tubular body includes a plurality of inwardly extending projections having surfaces adapted to engage the lead body to prevent the sleeve from sliding along the lead body when the lead body is held vertically.The suture sleeve is fabricated of a biocompatible, polymeric material to which has been added color pigment and a radiologically dense material to render the suture sleeve readily visible to the naked eye against surrounding bodily tissue as well as radiologically visible.
    • 用于锚定可植入医疗装置的引线体的缝合套管包括具有限定至少一个环形缝合线接收槽的外表面的管状体。 所述外表面还包括与所述至少一个环形缝合线接收槽相交的至少一个纵向延伸的槽,并且具有纵向延伸超过所述至少一个缝合线接收槽的端部。 管状体的内表面包括多个向内延伸的突起,其具有适于接合引线主体的表面,以防止当引线主体垂直地保持套筒沿引线本体滑动时。 缝合套管由生物相容的聚合物材料制成,已经添加了彩色颜料和放射致密的材料,以使缝合套筒容易地被肉眼看到,防止周围的身体组织以及放射学上可见。