[B]gingernut [B] may have come up with a modern method of dealing with long term management of glue ear.
Ha ha, I wish. The jury is out at the moment. No evidence of effect in adults, but by the same rule no evidence of no effect.
Which is probably why you need to have a chat with an ent man at the very least, he can advise you of the risks and benefits.
One thing I can say, is it's one of the only medical interventions we use in kids that has a near 100% compliance rate !
Don't use an ordinary balloon by the way. Safe flying :-)