公开(公告)号：US20060015018A1

公开(公告)日：2006-01-19

申请号：US11196754

申请日：2005-08-04

申请人： Sebastien Jutras ,  Herbert Jansen ,  Benoit Chouinard ,  Andrew Yun ,  Isabelle Fontaine

发明人： Sebastien Jutras ,  Herbert Jansen ,  Benoit Chouinard ,  Andrew Yun ,  Isabelle Fontaine

IPC分类号： A61B5/00

CPC分类号： A61B34/20 ,  A61B90/39 ,  A61B90/50 ,  A61B2017/00477 ,  A61B2034/105 ,  A61B2034/2055 ,  A61B2034/2068 ,  A61B2034/2072 ,  A61B2090/3916 ,  A61B2090/3983

摘要： A surgical bone reference assembly for communication with a CAS system, comprises a bone anchor fastenable to a bone element, an adjustable support and a trackable member that is located and tracked in three dimensional space by the CAS system. The support is removably fastenable to the bone anchor member and permits variable positioning relative to the bone anchor member. The support is intra-operatively detachable from and re-fastenable to the bone anchor member. A method of using a CT-free CAS system for determining a change in position of an un-tracked target limb is also provided. The method comprises engaging the trackable bone reference member to another bone element, locating and digitizing a landmark on the target limb, digitizing the landmark again following joint reduction, and determining at least one of a post-joint reduction limb length discrepancy and a target limb medio-lateral offset.

摘要翻译： 用于与CAS系统连通的手术骨骼基准组件包括可固定到骨骼元件的骨锚固件，可调节支撑件和可通过CAS系统定位和跟踪在三维空间中的可跟踪构件。 支撑件可移除地紧固到骨锚固构件并且允许相对于骨锚固构件的可变定位。 支撑件可操作地从骨锚固构件中拆卸并重新紧固。 还提供了一种使用无CT的CAS系统来确定未跟踪的目标肢体的位置变化的方法。 该方法包括将可追踪骨骼参考构件接合到另一个骨骼元件，定位和数字化目标肢体上的地标，并且在关节减小之后再次数字化地标，并且确定关节后缩短肢体长度差异和目标肢体中的至少一个 中位偏移。