I think it's tympanic membrane catheterization. Do you have a history of secretory otitis media? If you are an adult, do it under local anesthesia. This is a small operation. Basically, it can be done in some clinics, either directly under the eyes or under the endoscope. If it is a child, of course, general anesthesia should be done, and the child's compliance is relatively poor. In case there is no way to do it without cooperation with the operation, use general anesthesia without intubation.