Safety, Technical Description, and Accuracy
10-22 ACUSON Cypress™ Operator’s Manual
Electromagnetic Interference
WARNING This equipment has been tested and found to comply with the
limits for medical devices EN60601-1-2:2001 or the Electromag-
netic Compatibility Directive 89/336/EEC. These limits are
designed to provide reasonable protection against harmful inter-
ference in a typical medical installation. This equipment gener-
ates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may
cause harmful interference to other devices in the vicinity. How-
ever, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful inter-
ference to other devices, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
Reorient or relocate the receiving device.
Increase the separation between the equipment.
Connect the equipment to an outlet on a circuit different from
that to which the other device(s) are connected.
Consult the manufacturer or field service technician for help.
Electrosurgical Units
Electrosurgical units (
ESUs) and other devices are designed to introduce RF
electromagnetic fields or currents into patients. The overlap of the frequencies
used by these devices and diagnostic ultrasound systems creates a susceptibil-
ity to interference on the part of the ultrasound machine. During
ESU operation,
the ultrasound image should be expected to experience severe interference that
may make the image unusable. This interference stops as soon as the
ESU is
turned off.
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