breathing device
breathing apparatus
breathing machine
ventilator

What could be left inside it but its breathing apparatus?

"In fact, this morning they decided to put her on a breathing apparatus."

For the first time since entering the room I started to use the breathing apparatus.

If anything went wrong they might have to leave in a rush and there wouldn't be time to put on the breathing apparatus.

He said the inquiry involved a breathing apparatus that was used by the patient.

She had tried to rig a breathing apparatus for me, using a number 10 coffee can, but it hadn't worked.

In 2002 he set the world free diving record without any breathing apparatus at 162 meters.

I laid the breathing apparatus next to the chair and kept the white clothing on.

As the air had tested pure, she didn't require a breathing apparatus.

Still another picture depicts a man with a breathing apparatus over his mouth and nose.