Electronic Instructions for Use: Sterile Epidural Needle: SMD-IFU-0003 Revision 004 Sterile Radio Frequency Needle: SMD-IFU-0009 Revision 004 Sterile Guidewire Introducer Needle: SMD-IFU-0002 Revision 004 Sterile Safe-Cut Safety Scalpel: SMD-IFU-0001 Revision 004 For previous IFU revisions, please contact us at (978) 657-0889 or customerservice@elevarismedical.com.