Welcome to NT
I've tried the Flector Patch. It does have it's purpose but for "if you numb me I'll move" type of relief, the Lidoderm is the best.
You may need something like the Depart of Vocational Rehabilitation here in Kentucky. They have vocational experts. I Googled NYC and got this link.
http://www.vesid.nysed.gov/
You may get additional guideance for your particular need.
Let us know if you're having trouble getting around.