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    • 8. 发明授权
    • Stretch resistant embolic coil delivery system with mechanical release mechanism
    • 具有机械释放机制的抗拉伸栓塞线圈输送系统
    • US07799052B2
    • 2010-09-21
    • US11471801
    • 2006-06-21
    • Keith BalgobinVladimir MitelbergDirk TenneJohn H. Thinnes, Jr.
    • Keith BalgobinVladimir MitelbergDirk TenneJohn H. Thinnes, Jr.
    • A61M29/00A61F2/06
    • A61B17/12022A61B17/12113A61B17/12154A61B2017/00477A61B2017/12054
    • A medical device for placing an embolic device at a predetermined site within a vessel of the body including a delivery catheter and a flexible pusher member slidably disposed within the lumen of the catheter. An embolic device is retained within the delivery catheter by a mechanical interlocking mechanism which includes an engagement member attached to the distal end of the pusher member and extends through a retaining ring at the proximal end of the embolic device. A detachment member extends through an aperture at the distal end of the engagement member thereby locking the embolic device onto the pusher member. A kicker tongue which is formed as an extension of a portion of the wall of the pusher member extends distally from the distal end of the pusher member and is biased so as to lift the retaining ring off of the engagement member to ensure the release of the embolic device when the detachment member is withdrawn from the aperture of the engagement member.
    • 一种用于将栓塞装置放置在主体容器内的预定位置处的医疗装置,包括输送导管和可滑动地设置在导管内腔内的柔性推动器构件。 栓塞装置通过机械互锁机构保持在输送导管内,该机械互锁机构包括附接到推动器构件的远端的接合构件并延伸穿过栓塞装置的近端处的保持环。 分离构件延伸穿过接合构件的远端处的孔,从而将栓塞装置锁定到推动器构件上。 形成为推动器构件的壁的一部分的延伸部的推杆舌片从推动器构件的远端向远侧延伸并且被偏压以将保持环从接合构件提升以确保释放 当分离构件从接合构件的孔中取出时,栓塞装置。
    • 9. 发明授权
    • Method of using interventional medical device system having an elongation retarding portion
    • 使用具有伸长延迟部分的介入医疗装置系统的方法
    • US08425537B2
    • 2013-04-23
    • US13608532
    • 2012-09-10
    • Vladimir MitelbergJohn H. Thinnes, Jr.Keith BalgobinWilliam W. Sowers
    • Vladimir MitelbergJohn H. Thinnes, Jr.Keith BalgobinWilliam W. Sowers
    • A61M29/00
    • A61B17/12022A61B2017/12054A61B2090/037
    • Use of an interventional medical device system operable while within a body vessel is provided with a generally hollow tubular proximal portion, distal portion, and intermediate portion. The proximal portion and at least part of the distal portion remains outside of the body in use, with the remainder of the distal portion positioned within the body. The intermediate portion includes a spiral ribbon having adjacent turns, with at least one frangible bridge member between two adjacent turns. The proximal and distal portions are movable away from each other by elongating the spiral ribbon and, eventually, breaking the frangible bridge member. According to the method of using such a system to deploy an implantable medical device, such as an embolic coil, an actuation member is moved proximally with the proximal portion to disengage a bond or joint between the actuation member and the implantable medical device.
    • 在身体容器内可操作的介入医疗装置系统的使用设置有大致中空的管状近端部分,远侧部分和中间部分。 近端部分和远侧部分的至少一部分在使用中保持在身体的外部,而远侧部分的其余部分位于体内。 中间部分包括具有相邻匝的螺旋带,在两个相邻匝之间具有至少一个易碎的桥构件。 近端部分和远端部分通过延长螺旋带并且最终破坏易碎的桥接部件而彼此远离。 根据使用这种系统来部署诸如栓塞线圈的可植入医疗装置的方法,致动构件与近侧部分向近侧移动,以解除致动构件和可植入医疗装置之间的结合或接合。