combitube

As a student, having read a bit on the three devices, It still seems a bit confusing as to what the usefulness and indications of each really are, in the practical sense of things. (besides knowing that the combi is less complicated to deal with in general). But between the King and the ET, it...

After using combitube.. Do you put it in a biohazard bag and throw away? Or do you re-use it after decontamination? The textbook said using "sterilants" is the minimum level for this equipment but I think I've seen on the internet that it should be discarded in the biohazard bag. Any thought...