Eligible participants with chronic tympanic membrane perforation (\>6 month) will be given a detailed description and offered to participate in the study.
the study investigates the efficacy of trans canal tympanoplasty with local anesthesia using fat pad and "Tachosil". Participants will be followed for 1 year after the procedure with otological examination and successive hearing evaluations.
Chronic tympanic membrane perforation (>6 months).
Central tympanic membrane perforation.
Air bone gar of 35 dB or lower at the operated ear.
No active otorrhea in the operated ear in the preceding 3 month prior to the procedure.
Known ossicular chain dysfunction
The tympanic membrane perforation edges are not accessible/visualized transcanal
Pregnancy
Allergy to lidocaine