CO2 Laser-Assisted Endoscopic Management of Zenker’s Diverticulum January 18, 2015 TweetEmailPrint-Friendly Version Michael Hinni, MD, an otolaryngologist at the Mayo Clinic in Scottsdale, Ariz., demonstrates how he uses the procedure to treat Zenker’s diverticulum at the 2014 Triological Society’s Combined Sections Meeting.