6 times.
1- I took the wrong medicine for a sore throat, and eventually, I couldn't breathe =(
2- My brother's head was bleeding cause he jumped from a chair and knocked his head on a bookshelf
3- My brother broke is arm when he fell down
4- When my lil bro was born
5- When my lil sis was born
6- My brother got stitches right above his eye( I don't wanna explain how that happened, it's pretty disgusting =P)
Yea, only 1 time out of 6 was to operate on me lol. (Yes my brother is crazy)