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    • 88. 发明公开
    • 유도 견인기 및 그 사용방법
    • 引导延迟器和使用方法
    • KR1020060117987A
    • 2006-11-17
    • KR1020067013349
    • 2004-12-08
    • 신세스 게엠바하
    • 라슨제프리버텔써오도어그린버그루이스쉬오러스캇
    • A61B17/02A61B1/32A61B17/56
    • A61B17/02A61B17/0206A61B17/025A61B17/1757A61B17/848A61B2017/0256
    • The present invention provides methods and apparatus in which a surgical retractor comprises a plurality of mechanically coupled tissue retaining walls that are guided into position along one or more guides previously implanted into the patient. The walls are preferably coupled by pivots, so that separating some of the walls from one another opens an operating space. There are preferably two guides, which are driven or screwed into the pedicles of vertebrae, or other bone. Since practical considerations will usually mean that the guides are not generally parallel to one another, the guides are capable of polyaxial movement with respect to the pedicles, and retractor is provided with oversized channels to receive the guides. The channels may be conveniently disposed tin a frame, which also serves to hold lock the walls apart. Various convenience features are contemplated including a web disposed between the walls, which expands as the walls are separated. Also contemplated are projections from near the bottoms of one or more of the walls, which can alternatively or additionally help to hold the underlying tissue in place.
    • 本发明提供了一种方法和装置,其中手术牵开器包括多个机械耦合的组织保持壁,所述多个机械连接的组织保持壁沿着先前植入患者体内的一个或多个导向件被引导到位置。 优选地,所述壁通过枢轴联接,使得将一些壁彼此分开打开操作空间。 优选地,两个引导件被驱动或拧入椎骨的椎弓根或其他骨中。 由于实际考虑通常意味着引导件通常不是彼此平行的,所以引导件能够相对于椎弓根进行多轴运动,并且牵开器具有用于接收引导件的超大通道。 通道可以方便地设置在框架上,其也用于将壁分隔开。 考虑到各种便利特征,包括布置在壁之间的网,当壁分离时,该网膨胀。 还考虑到一个或多个壁的底部附近的突起,其可以替代地或另外帮助将下面的组织保持在适当位置。