The resuscitators, also called Ambu bags, are generally on-hand in large quantities. They are designed to be operated by hand, by trained technicians, to inflate patient lungs until a better device such as a ventilator becomes available.
Medical PVC manual resuscitator ambu bag is disposable type resuscitator usually being called as Ambu bag or BVM-short for bag valve mask, is intended for pulmonary resuscitation.