i m also worried that the same case will happen to my B. so i only buy fish without bones or less bones, salmon sashimi and cod fish (the tail portion has less bones) only.
even myself don't eat fish with bones, so normally i buy fillet.
a few years ago i ate dried fish snacks, the tiny fish bone got into my gum, i was in pain. the doc 麻醉左再夾出黎. but the 麻醉 was only to the gums/to the jaw so no big side effect. only took him a few secs to take it out.