1. First, you need to consult your doctor. Tell your doctor what you need, explain why you need an air bed and how it can help your health condition.
2. Your doctor will make a detailed assessment of your condition and determine whether or not you need to order an air mattress, taking into account your physical condition and needs.
3. If the doctor feels that an airbed would be beneficial to you and is willing to order one, they will provide you with a formal written order. This will include information about why you need to use the air mattress, how you want to use it, and when you want to use it.
4. Depending on what your doctor's orders say, you can go to your healthcare provider or related rehabilitation facility to rent or purchase an air mattress that suits your needs.
It is important to remember that everyone's condition and medical needs are different, so it is important to have a detailed consultation and assessment with your doctor and act on their advice. This will ensure that you get the right medical support and the right rehabilitation equipment.