Ear tubes. It is a simple procedure but can get complicated so Usually performed as a surgery in the Operating Room.
Yes. I do this all the time in adults. Very simple procedure done under topical anesthia. I use phenol. It stings for about 10 seconds and then it is gone. Placment in the office take maybe 5 mintues. For both ears. Very simple.
Tubes. Yes, this is routinely done in the office setting.