There's a device that is being advertised that replaces the abdominal thrust maneuver (Heimlich maneuver) when it comes to clearing an obstruction. At least that's what they advertise. It seems pretty simple as well and it can be sold to anyone for around $80.

The design is a tube with a one way valve with a mask. When you put it tightly around someone's mouth, it creates suction and is supposed to pull the obstruction out.

It seems pretty legitimate and simple to use. Especially if you are alone when it happens. Of course, you would need to have it handy to save yourself. But as some news outlets point out, it hasn't undergone human trials.

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