Editing Sacral nerve stimulator insertion (section)

== Technique ==

* Prone
* LA +/- sedation
* Use II to identify SIJ - draw     transverse line through inferior aspect SIJ
* Now draw two intersecting     lines on each side to mark the medial aspect of S3 foramina
* II sideways, place needle at     about 60 degree angle with skin to reach 1mm past the bone
** Use the axial plane of the      superior-inferior line
** Skin entry point 2cm above      transverse line
** Aim for the curved soft      tissue interface with bone
* Confirm position - look for     billowing, anal wink, toe flexion
* Seldinger technique to place     wire, then remove wire part so it goes floppy
* Then can either tunnel to     battery or place on skin as test wire

[[Category:Colorectal]]