I use cyanoacrylate (superglue) all the time. My brother who is a traumacenter nurse gave me some tubes of Hystoacril sterile wound glue. It turns out it active ingredient is n-butyl-2cyanoacrylate.
http://en.wikipedia.org/wiki/Cyanoacrylate
If you are willing to pay the visit to the E.R. and get a medical bill for a FDA approved sterile glue that is your choice.
I just use my trusted tube of "superglue" and untill now it performed flawless.
It's also a great tool to have in your car or survival kit.
Just my 2 cents