知搜-全球专利检索

  1. 登录
  2. 注册
发明公开
CN107072741A 计算机辅助的髋部手术中的器械导航 有权

计算机辅助的髋部手术中的器械导航
摘要：
一种计算机辅助的手术系统，包括：校准器械，其适于以已知的方式被应用到骨盆；以及手术器械。计算机辅助的处理器单元操作手术辅助流程并且包括至少一个便携式惯性传感器单元，其被配置为被连接到所述至少一个校准器械和所述至少一个手术器械，所述便携式惯性传感器单元输出表示其取向的读数。几何关系数据模块提供所述校准器械和所述手术器械的所述便携式惯性传感器单元的所述取向之间的几何关系数据。坐标系模块设置所述骨盆的坐标系，其中，所述骨盆的前后轴大体上在重力的方向上，并且其中，所述骨盆的中侧轴使用其之间的所述几何关系数据从所述至少一个校准器械上的所述一个便携式惯性传感器单元的读数获得。跟踪模块使用来自使用其之间的所述几何关系数据的所述手术器械上的所述惯性传感器单元的读数来跟踪所述至少一个手术器械相对于所述坐标系的移动，并且计算针对所述移动的导航数据，所述导航数据使所述手术器械的所述取向与所述骨盆的所述取向相关。接口输出所述导航数据。
摘要（英）：

A computer-assisted surgery system comprises a calibrating instrument adapted to be applied to a pelvis in a known manner, and a surgical instrument. A computer-assisted processor unit operating a surgical assistance procedure and comprises at least one portable inertial sensor unit configured to be connected to the at least one calibrating instrument and the at least one surgical instrument, the portable inertial sensor unit outputting readings representative of its orientation. A geometrical relation data module provides a geometrical relation data between the orientation of the portable inertial sensor unit, of the calibrating instrument and of the surgical instrument. A coordinate system module sets a coordinate system of the pelvis in which an anterior-posterior axis of the pelvis is generally in a direction of gravity, and in which a medio-lateral axis of the pelvis is obtained from readings of the at least one portable inertial sensor unit on the calibrating instrument using the geometrical relation data therebetween. A tracking module tracks movements of the at least one surgical instrument relative to the coordinate system using readings from the inertial sensor unit on the surgical instrument using the geometrical relation data therebetween, and calculates navigation data for the movements, the navigation data relating the orientation of the surgical instrument to the orientation of the pelvis. An interface outputs the navigation data.

公开/授权文献
0/0