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3D-Print Ambu Bag

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An ambu bag  (BVM), sometimes known by the proprietary name Ambu bag or generically as a manual resuscitator or "self-inflating bag", is a hand-held device commonly used to provide positive pressure ventilation to patients who are not breathing or not breathing adequately.

How does an Ambu bag work?

With the mask pressed over the patient’s airway, air is forced into the lungs by squeezing the bag. The bag then refills itself with air when released, allowing it to return to its original shape. The bag can be squeezed out and re-inflated rapidly and repeatedly to resuscitate the patient and provide oxygen, even if the patient can’t breathe on their own.

 Almost every bed in a hospital has a manual resuscitator (Ambu-Bag) nearby, available in the event of a rapid response or code where healthcare workers maintain oxygenation by squeezing the bag. Automating this appears to be the simplest strategy that satisfies the need for low-cost mechanical ventilation, with the ability to be rapidly manufactured in large quantities. However, doing this safely is not trivial.










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