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    • 5. 发明申请
    • Co-radial lead with extendable/retractable fixation mechanism and apparatus therefor
    • 具有可伸缩固定机构的同向径向引线及其装置
    • US20070038280A1
    • 2007-02-15
    • US11202459
    • 2005-08-12
    • Jeffrey BodnerWalter LarocheChristopher Knapp
    • Jeffrey BodnerWalter LarocheChristopher Knapp
    • A61N1/00
    • A61N1/0573
    • A lead assembly comprises a lead body extending from a lead proximal end portion to a lead distal end portion with at least one conductor disposed therein. A lead lumen extends within the lead body and is dimensioned and configured to removably and rotatably seat a driver therein. The driver includes a driver body extending from a driver proximal end to a driver distal end and having a stylet or guidewire lumen disposed therein. An extendable and retractable active fixation mechanism is disposed at the lead distal end portion. The active fixation mechanism is actuatable by rotation of the driver. In one example, the at least one conductor includes a first conductor and a second conductor, in which the first conductor is co-radial with the second conductor. In another example, the driver distal end includes a portion extractably engagable with the lead distal end portion.
    • 引线组件包括从引线近端部分延伸到引线远端部分的引线主体,其中布置有至少一个导体。 引导腔在引线体内延伸,并且其尺寸和构造可移动地且可旋转地将驱动器安置在其中。 驾驶员包括从驾驶员近端延伸到驾驶员远端并且具有设置在其中的探针或导丝腔的驾驶员主体。 可伸缩主动固定机构设置在引线远端部分。 主动固定机构可通过驾驶员的旋转而致动。 在一个示例中,所述至少一个导体包括第一导体和第二导体,其中第一导体与第二导体同向径向。 在另一个示例中,驱动器远端包括可抽出地与引线远端部分接合的部分。