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    • 10. 发明授权
    • Apparatus and method for the insertion of a medical device
    • 用于插入医疗装置的装置和方法
    • US07959610B2
    • 2011-06-14
    • US11702220
    • 2007-02-05
    • Linda D. ElbertD. H. PerkinsSrinivas NishtalaStéphane Gobron
    • Linda D. ElbertD. H. PerkinsSrinivas NishtalaStéphane Gobron
    • A61M5/178
    • A61B17/3415A61B17/3417A61B2017/3484A61J15/0015A61J15/0038G11C11/406
    • An apparatus and method for insertion of medical devices is disclosed. One embodiment includes an access tube with a retention portion disposed at a distal end. The retention portion is reconfigurable between first and second configurations of reduced and increased lateral extent. A trocar can be movably disposed within the access tube, which can be movably disposed within an overtube. One method of the invention includes inserting the trocar and access tube through a patient's body wall where the retention portion is configured from a reduced to an increased lateral extent. An overtube can be inserted around the access tube through the body wall where the retention portion can be received through a slot defined by the overtube. The retention portion can be returned to reduced lateral extent. The access tube can be removed and the medical device can be inserted within the overtube.
    • 公开了用于插入医疗装置的装置和方法。 一个实施例包括具有设置在远端的保持部分的进入管。 保持部分可以在缩小和增加的横向范围的第一和第二构型之间重新配置。 套管针可以可移动地设置在入口管内,该导管可以可移动地设置在外套管内。 本发明的一种方法包括将套管针和进入管穿过患者的身体壁,其中保持部分被构造成从缩小到增加的横向范围。 外套管可以通过身体壁插入入口管周围,保持部分可以通过外套管限定的狭槽接收。 保留部分可以返回到减小的横向范围。 可以取出进入管,并且可以将医疗装置插入外套管内。