Loaʻa i ka pahu hoʻoheheʻe anesthesia hiki ke hoʻokuʻu ʻia ka nila epidural, spinal needle a me ka epidural catheter o ka nui like, kink resistant akā ikaika ka catheter me ka ʻaoʻao maʻalahi e hoʻokomo i ka catheter maʻalahi.