The negative pressure ventilator, aka the iron lung, was a technological marvel that kept thousands of polio patients alive during the 1930s and '40s. The technology has been superseded and the gadget is little more than a historic curiosity since vaccines have essentially eliminated polio. However, the image of the iron lung still has enough resonance to inspire a trifecta of excellent noise.
First up is Brutal Truth whose anomalously conjoined "Ironlung" was a mid-album noise pastiche to break up all the grinding on breakout album Need to Control.
The breathing apparatus also inspired British psycho punks Rudimentary Peni to get all noise collagey, closing out the (allegedly) semi-autobiographical freakazoid album Pope Adrian 37th Psychristiatic. Turn on, tune in, freak the fuck out.
Obviously the band Iron Lung took their name from the, duh, iron lung, but it also inspired their song "Iron Lung," another power violent tiptoe through the band's back catalog.