GE
D
IRECTION FQ091019, REVISION 2 VIVID Q N SERVICE MANUAL
1-12 Section 1-4 - Safety Considerations
1-4-4-2 Peripherals
1-4-4-2-1 Safety and Environmental Guidelines
• Patient Vicinity UL 60601-1
Sub clause 2.12.20DV - D2 Addition
An area in which patients are normally cared for, the patient vicinity is the space with surfaces likely
to be in contact with the patient or attendant who can touch the patient. This encloses a space within
the room of 1.83 m (6 ft.) beyond the perimeter of the bed (examination table, dental chair,
treatment booth, and the like) in its intended location, and extending vertically 2.29 m (7.5 ft.) above
the floor.
ENVIRONMENTAL DANGERS
ALL DEVICES MEETING IEC60950 MUST BE KEPT OUTSIDE THE PATIENT
ENVIRONMENT AS DEFINED IN IEC60601-1-1, UNLESS THE DEVICES, ACCORDING TO
IEC60601-1-1, ARE EQUIPPED WITH THE FOLLOWING:
A) ADDITIONAL EARTH PROTECTION
OR:
B) AN EXTRA ISOLATING TRANSFORMER
COMMERCIAL DEVICES SUCH AS LASER CAMERAS, PRINTERS, VCRS AND
EXTERNAL MONITORS, USUALLY EXCEED ALLOWABLE LEAKAGE CURRENT LIMITS
AND, WHEN PLUGGED INTO SEPARATE AC OUTLETS, ARE IN VIOLATION OF
PATIENT SAFETY STANDARDS. SUITABLE ELECTRICAL ISOLATION OF SUCH
EXTERNAL AC OUTLETS, OR THE PROVISION OF EXTRA PROTECTIVE EARTH FOR
THE DEVICE, IS REQUIRED IN ORDER TO MEET UL60601-1 AND IEC60601-1-1
STANDARDS FOR ELECTRICAL LEAKAGE.
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