Staff joined in the fun with a space age theme, naming the machines after fictional robots – R2-D2, Marvin, WALL-E, Optimus Prime and KITT.
The machines are used for patients with chronic obstructive pulmonary disease.
Hazel Kavanagh, lead specialist respiratory nurse, said: “The new machines are replacing equipment that we’ve had for 12 years so naturally we were delighted when they arrived.”