stereotaxic instrument

例句：

1. 1. The surgeon used a stereotaxic instrument to perform the surgery.
   外科医生使用立体定向仪器进行手术。
2. 2. Stereotactic radiotherapy is a treatment method that uses radiation directed at specific areas of the body.
   立体定向放射治疗是一种利用辐射针对身体特定区域进行治疗的方法。
3. 3. The patient was placed in a stereotaxic frame for the procedure.
   患者被放置在立体定位框架中进行手术。