I saw a general practitioner, the doctor was young. She measured the c…

I saw a general practitioner, the doctor was young. She measured the child's temperature in the ear canal, listened to him and also inserted a special device into his ears to look at them... He was lying on the bed on his back and she was inserting this instrument into his ear and looking inside it. But something felt wrong to me about that picture.... In general, as far as I know, it is better not to stick your fingers into a baby's ears... I, for example, don't even stick specialized pediatric instruments into there. And here such a long device and into the ear. Could she have damaged the ears with this device? Is such an examination dangerous for a 3-month-old infant? Did