I'm curious to know the actual numbers (ie. force a human body can exert when attempting to breath in vs opposite pressure caused by this device or heimlich). I performed heimlich on a roommate a long time ago when I was in college, but it turns out the pressure he was breathing in with was apparently more than the force I exerted trying to get him to push the object out. I simply helped dislodge the object, but it e…
And what happened after that?
He didn't feel concerned enough about it to go to the hospital afterwards, and we were just college students so we didn't feel we had any reason to override his decision.