I haven't although I have been tempted with this miracle patch, apparently one of the products contained in the patch affects your thyroid which can cause long term damage i.e. overactive/underactice thyroid.
I've been trying to lose weight for a while now and found the GI diet to be the best way of losing weight and keeping it off. This give you a basic out line of the plan -
http://www.lovelifehatediets.co.uk/diets/the-g i-diet.html
Good luck with it, maybe we should start a dieting club on here!
LN x