Rigid internal fixation的用法和樣例：
例句
- Moderately good outcomes have been demonstrated, even in elderly patients,45,73 as a result of more rigid fixation of the humeral head.
作為肱骨頭的更堅強內固定，已經報告了良好的療效，甚至在老年患者。 - Total vertebrectomy and repair were performed with fibular strut grafts and placement of rigid anterior and posterior instrumentation.
患者進行了全椎體切除，腓骨支撐植骨，前后堅強內固定。
