BMV uses bag valve masks, or Ambu bags, to supply a person with oxygen. A bag valve mask is a handheld tool that a medical professional can use to pump oxygen into a person’s lungs.

The recall covers different sizes and accessories of Vyaire Medical’s AirLife adult manual resuscitators, spanning some 6.6 million devices. The FDA said that a manufacturing defect—present ...

Take for example, the Ambu bag, or bag valve mask. There's one in every Baltimore County emergency vehicle. It has been around since 1950s with makeovers along the way. Now, it has filters.