* Some cancer patients with opioid resistant pain or serious side effects may benefit from<unk>  pain management. * Probably, only some benign patients with opioid resistant pain or serious side effects are suitable for<unk>  treatment.
Intrathecal pump
Epidural blood patch
Paracervical block
Epidural administration
Epidural steroid injection
Spinal cord stimulator
Retrobulbar block
Relative analgesia machine