| 摘要 |
The tool comprises a tubular body 120 having at least two spring biased flanges 132, 134 at a distal end which form a gripping area between which the end of a spinous process is located. The tool may comprise a finger hold 114. In use the tool may be used as a percutaneous spinal registration-and-access tool for minimally invasive spinal surgery involving lumbar pedicle screw fixation and registration. |
