epidural space的用法和樣例：
例句
- Here we report a case of subdural catheterization during the attempt of epidural anesthesia for a gynecological procedure.
本文及報告於婦產科手術的病例在當試硬脊膜外腔麻醉時，意外地將導管置入硬脊膜下腔，並注入局部麻醉劑。 - Obstruction of the epidural catheter is an annoying and troubling complication when we practice epidural analgesia.
摘要當運行硬脊膜外腔止痛術時，硬脊膜外腔導管阻塞是令人討厭及困擾的問題。
