The Silicone Resuscitator, or manual resuscitator/Ambu bag, is a hand-held device used to provide positive pressure ventilation to a patient who is not breathing or not breathing adequately. This device is generally manufactured with high-grade medical silicone and can undergo repeated sterilization.
Ambu bag has become a generic term for this device, whereas AMBU was originally a ... https://www.gstc.com/product/silicone-resuscitator-ambu-bag/