I need to know the official name of a recon opener.

At our pharmacy we had a special tool that I'm sure came from a drug rep that easily cuts off the seal on top of all the recons. Well all of ours were stolen or lost and I want to order more but I don't know what to call it. I've searched the net but to no avail (I only get links to amoxicillin without prescription lol). Thanks on advance.