Ans. The airline allows equipment like walking sticks, walkers, crutches, syringes, concentrators, oxygen tanks and ventilators.  Concentrators and ventilators are subject to certain restrictions. They have to adhere to the limit of 15 cm / 45 in (height + length + width) maximum size for hand luggage.  While using syringes, you are advised to exercise complete precaution and follow all safety measures. You are also required to provide the prescription for the syringes you are carrying to complete the airport security screening process.