Crossword clues for the word: IRONLUNG The word IRONLUNG has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for IRONLUNG Showing 1 to 9 of 9 results Clue(s) "Negative pressure ventilator, familiarly" Artificial respiration chamber Bygone breathing apparatus Bygone medical ventilator Hospital apparatus. Mechanical ventilator Old-fashioned respirator One-time ventilator used in fighting polio Respirator of old