spinally

adverb [方式副词]在脊骨方面；沿着脊骨

In some patients, it is possible to give relatively small doses of opioid spinally and produce pain relief.
对于某些患者而言，通过脊椎部位给予相对较小剂量的阿片类药物，是能够实现缓解疼痛效果的。