title: The Kirschner wire as a readily available tunneling device for the placement of subcutaneous intraspinal narcotic delivery systems.
mesh_terms: D000701:Analgesics, Opioid / Q000008:administration & dosage*; D001864:Bone Wires; D004343:Drug Implants; D006801:Humans; D009984:Orthopedic Fixation Devices; D013131:Spine
chemical_list: D000701:Analgesics, Opioid; D004343:Drug Implants