GE Vivid 7 User Manual

Safety
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Note: Any rest en-
ergy within our 
scanners or their 
components will be 
below 60V DC or 2 
mJ.
0470 

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Device labels
The following table describes the purpose and location of 
safety labels and other important information provided on the 
equipment.
Label/Icon Purpose Location
Identification PlateManufacturers name and address
Model
Electrical ratings
Device Listing/Certification LabelsRear
Equipment Type BF, in which protection 
against electric shock does not rely on basic 
insulation only. Provides additional safety 
precautions such as double...

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Earth (ground) Internal
Equipotentiality: indicates terminal to be 
used for connecting equipotential 
conductors when interconnecting 
(grounding) with other equipment.Rear of unit
Attention - Consult accompanying 
documents: alerts the user to refer to the 
user documentation when complete 
information cannot be provided on the label.Various
CAUTION - Dangerous voltage: used to 
indicate electric shock hazards.Various
ATTENTION - Observe precaution...

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This precaution is intended to prevent injury 
that may result if one person attempts to 
move the unit over considerable distances 
or on an incline due to the weight of the unit.Rear of unit 
(Identification 
plate)
CAUTION - Do not move the unit if the 
keyboard console is in the free positionKeyboard 
console
Apply a short push on the ON/OFF button to 
shut down the system.Keyboard 
console Label/Icon Purpose Location
190 kg 

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Acoustic output
Definition of the acoustic output 
parameters
Ther mal Index
TI is an estimate of the temperature increase of soft tissue or 
bone. There are three thermal index categories:
•  TIS: Soft tissue thermal index. The main TI category. Used 
for applications that do not image bone.
•  TIB: Bone thermal index (bone located in a focal region). 
Used for fetal application.
•  TIC: Cranial bone thermal index (bone located close to the 
surface)....

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Acoustic output and display on the 
Vivid7/Vivid7PRO
In the title bar, two fields are allocated for the display of power 
values as shown in Figure 14-1.
 Figure 14-1: The display of MI and TI on the screen
The Vivid 7/Vivid 7 PRO chooses the correct category based 
on mode of operation and chosen application, and presents 
only one TI to the operator. It is therefore important that the 
operator chooses the right application.
The Vivid 7/Vivid 7 PRO...

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The maximum possible MI and Ispta on the Vivid 7/Vivid 7 PRO 
is within the limits set in Track 3 in the FDA 510(k) guide of 
1997, MI

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directly related to the exposure time.
•  Better image quality yields faster clinical results, making it 
possible to complete the relevant ultrasound examination 
more rapidly. Therefore, any control that improves the 
quality of the examination can help to reduce patient 
exposure, even though it may not directly affect acoustic 
output.
Probe selection
As long as the appropriate application is available, any probe 
can be used with the knowledge...

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Power
It is possible to change the power in all operating modes so that 
the operator can use the ALARA principle. 

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Patient safety
Patient identification
Always include proper identification with all patient data and 
verify the accuracy of the patients name and/or identity number 
when entering such data. Ensure that the correct patient ID is 
provided on all recorded data and hard copy prints. 
Identification errors could result in an incorrect diagnosis.
Diagnostic infor mation
The images and calculations provided by the system are 
intended for use by competent...