The CEI EN 60601-2-52 standard specifies "Special Requirements for Basic Safety and Basic Performance of Hospital Beds", which are part of the general requirements for medical electrical equipment. This standard defines the minimum safety and performance requirements for the design, manufacture and use of hospital beds, especially those used in hospitals.

Some key topics and topics covered by this standard are:

1. **Safety Requirements**: The bed must meet certain safety standards to avoid injury to the patient or user. This includes the mechanical durability of the bearing, electrical safety and the biological compatibility of the materials used.

2. **Mechanical Endurance**: Requirements have been established to ensure the bed can operate under a certain load, guaranteeing patient bearing capacity without mechanical damage.

3. **Motion Functions**: Some hospital beds have functions such as head or leg lift. These movements must be performed safely and accurately.

4. **Alarm and Warning Systems**: Some beds may have warning and alarm functions depending on the patient's condition. It is essential that these systems work correctly and effectively.

5. **Hygiene and Cleaning**: Patient beds should be easily cleaned and disinfected. In addition, the biological compatibility of the materials used should be checked.

6. **Ergonomics**: The bed should be ergonomically designed for both the patient and the healthcare professional. This guarantees the comfort of the patient and the easy usability of the bed.

7. **Documentation and User's Manual**: Manufacturers should provide a user's manual with detailed information on how to use the mattress, assembly, maintenance and potential risks.

Compliance with the CEI EN 60601-2-52 standard ensures safe and effective use of the hospital bed. If a hospital bed is certified in accordance with this standard, it is considered to have a certain level of safety and performance. This provides additional reassurance for both patients and healthcare professionals.