Hi msnan,
Welcome to the NeuroTalk Support Groups.

Try posting in the
SCS and Pain Pumps Forum

Someone there should be able to help you with your question.

edited to add:

FYI -
http://neurotalk.psychcentral.com/thread114142.html

Check the post from Rrae titled Frequently Asked Questions Re: SCS in that Sticky info. thread.
http://neurotalk.psychcentral.com/post689330-5.html
The Permanent SCS Implant:
Frequently Asked Questions (provided by Medtronic)