It is possible that an external charity may offer financing help to buy a mobility bed, these situations are few and far but it is worth checking with local charities in your area.
The Benefits of Small Lightweight Rollators
What is Sand Bed Medical Technology?
Comfort and Support
Here are the basic requirements to get insurance coverage on your bed:
The Importance of Hospital Bedside Lockers in Patient Care
The Rise of Walking Devices Enhancing Mobility and Health