BS 5724-2.38(1997) : 1997

Committees responsible
National foreword
Foreword
Section 1 - General
1 Scope and object
2 Terminology and definitions
3 General requirements
5 Classification
6 Identification, marking and documents
Section 2 - Environmental conditions
Section 3 - Protection against electrical shock hazards
17 Separation
18 Protective earthing, functional earthing and potential
      equalization
Section 4 - Protection against mechanical hazards
21 Mechanical strength
22 Moving parts
23 Surface, corners and edges
24 Stability in normal use
26 Vibration and noise
28 Suspended masses
Section 5 - Protection against hazards from unwanted or
            excessive radiation
36 Electromagnetic compatibility
Section 6 - Protection against hazards of ignition of
            flammable anaesthetic mixtures
Section 7 - Protection against excessive temperatures and
            other safety hazards
44 Overflow, spillage, leakage, humidity, ingress of
      liquids, cleaning, sterilization and disinfection
Section 8 - Accuracy of operating data and protection against
            hazardous output
Section 9 - Abnormal operation and fault conditions;
            environmental tests
52 Abnormal operation and fault conditions
Section 10 - Constructional requirements
54 General
56 Components and general assembly
57 MAINS PARTS, components and layout
Appendix L - References - Publications mentioned in this
                          standard
Annex AA (informative) Guidance and rationale for particular
                       subclauses
Annex BB (informative) Possible considerations and tests for
                       ELECTRICALLY OPERATED HOSPITAL BEDS
Annex ZA (normative) Normative references to international
                     publications with their corresponding
                     European publications
Figure 101 - ELECTRICALLY OPERATED HOSPITAL BED, general
             arrangement
Figure 102 - Distribution of the SAFE WORKING LOAD for tests
Figure 103 - Lateral stability test: load arrangement (plan
             view)
Figure 104 - Longitudinal stability test: load arrangement
             (plan view)
Figure 105 - Lateral stability test: load arrangement (end
             elevation)
Figure 106 - Longitudinal stability test: load arrangement
             (side elevation)
Figure 107 - BED function controls and/or actuators;
             guidelines for creating graphic symbols
Figure 108 - Graphic symbols for SAFE WORKING LOAD
Figure 109 - Typical spacings for SQUEEZING and SHEARING
             POINTS
Figure 110 - Clearance measurements around barriers
Figure 111 - APPLIED PARTS region and potential equalization
Figure 112 - Minimum angle between the back and leg/upper
             leg sections for various configurations of the
             MATTRESS SUPPORT PLATFORM
Figure 113 - Application of forces for test of SIDE RAILS
Figure 114 - Examples (only) of BEDS with segmented SIDE
             RAILS and single-piece SIDE RAILS
Figure 115 - Test cone
Figure BB.1 - Impactor
Figure BB.2 - Loading positions
Figure BB.3 - Loading pad
Figure BB.4 - Recommended range of adjustment for sections of
              the MATTRESS SUPPORT PLATFORM
Figure BB.5 - Position of the LIFTING POLE handle

Gives requirements for safety of electrically operated hospital beds. The object of this standard is to keep the safety hazards to patients, operators and the environment as low as possible and to describe tests to verify that these requirements are attained.