Siemens SOMATOM Scope User manual

siemens-healthineers.com
SOMATOM Scope
Quick Guide
syngo CT VC50

SOMATOM Scope
Quick Guide
syngo CT VC50

Indicates a hint
Is used to provide information on how to avoid operating errors or information
emphasizing important details
Indicates the solution of a problem
Is used to provide troubleshooting information or answers to frequently asked
questions
Indicates a list item
Indicates a prerequisite
Is used for a condition that has to be fulfilled before starting a particular operation
Indicates a one-step operation
Indicates steps within operating sequences
Is used for references and for table or figure titles
Is used to identify a link to related information as well as previous or next steps
Is used to identify window titles, menu items, function names, buttons, and keys, for
example, the Save button
Is used to emphasize particularly important sections of the text
Is used for on-screen output of the system including code-related elements or
commands
Is used to identify inputs you need to provide
Is used for the navigation to a certain submenu entry
Is used to identify variables or parameters, for example, within a string
CAUTION
Used with the safety alert symbol, indicates a hazardous situation which, if not
avoided, could result in minor or moderate injury or material damage.
CAUTION consists of the following elements:
•Information about the nature of a hazardous situation
•Consequences of not avoiding a hazardous situation
•Methods of avoiding a hazardous situation
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WARNING
Indicates a hazardous situation which, if not avoided, could result in death or serious
injury.
WARNING consists of the following elements:
•Information about the nature of a hazardous situation
•Consequences of not avoiding a hazardous situation
•Methods of avoiding a hazardous situation
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1 Introduction 9
1.1 Intended use 10
1.2 Indications for use 10
1.3 Authorized users 10
1.4 Patient population 11
1.5 Additional information on pediatric imaging 11
1.6 Contraindications 11
1.7 Basic safety rules 11
1.8 User documentation 13
1.9 About the Quick Guide 14
1.10 Safety instructions 15
2 In case of emergency 19
2.1 Restarting after emergency stop 19
2.2 Restarting after power failure 20
2.3 Retracting the table top in emergency 20
3 Starting up the system 23
4Preparing an examination 27
4.1 Registering a patient 27
4.2 Selecting a scan protocol 28
4.3 Positioning a patient 30
5Performing an examination 35
5.1 Acquiring a topogram 35
5.2 Planning the examination range 37
5.3 Selecting an API recording 38
5.4 Acquiring tomograms 39
5.5 Reconstructing axial images 41
5.6 Generating 3D reconstructions 43
5.7 Completing a scan 46
6 Reviewing images 49
6.1 Viewing images 49
6.2 Windowing images 50
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6.3 Zooming images in and out 52
6.4 Panning images 53
6.5 Evaluating gray values 55
6.6 Measuring distances 56
6.7 Measuring angles 57
6.8 Saving images 58
7 3D postprocessing 61
7.1 Loading images 61
7.2 Optimizing the image orientation 63
7.3 Viewing the slice of interest 64
7.4 Creating oblique views 65
7.5 Generating a series of parallel images 67
8 Documenting and reporting 73
8.1 Filming 73
8.2 Storing data on DVD 75
8.3 Transferring data via USB device 77
8.4 Networking 79
8.5 Deleting data 81
9 Shutting down the system 83
10 Glossary 87
Index 89
Table of contents
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Introduction
The SOMATOM CT system is used to generate tomographic images of
the organs of a patient for diagnostic purposes in accordance with
the computed tomography procedures. The tomographic images
generated with this system can be viewed on a monitor, processed,
filmed, and exported.
The system consists of the following components:
(1) Acquisition system: gantry and patient table
(2) Console: computers, input units, monitor, control box, etc.
SOMATOM Scope can be operated in the x-ray department of a
hospital or doctor’s office. The CT system must be operated in rooms
that are designated for medical use.
•Components or software functionalities that may not be part of
your system configuration are described in your user
documentation. Not all the optional components and software
functionalities may be marked as optional. The availability of
these components or software functionalities depends on your
system configuration or your purchase contract.
•The pictures of the components shown here are only examples.
The appearance of your components depends on the system
configuration.
1
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Intended use
SOMATOM Scope is a computed tomography system. This computed
tomography system is intended to generate and process cross-
sectional images of patients by computer reconstruction of X-ray
transmission data. The images delivered by the system can be used
by a trained physician as an aid in diagnosis.
Indications for use
This computed tomography system is intended to generate and
process cross-sectional images of patients by computer
reconstruction of x-ray transmission data.
The images delivered by the system can be used by a trained
physician as an aid in diagnosis.
The images delivered by the system can be used by trained staff as
an aid in diagnosis, treatment preparation and radiation therapy
planning.
This CT system can be used for low dose lung cancer screening in
high risk populations.*
*As defined by professional medical societies. Please refer to clinical
literature, including the results of the National Lung Screening Trial
(N Engl J Med 2011; 365:395-409) and subsequent literature, for
further information.
Authorized users
SOMATOM Scope must be used by persons with the necessary
specialist knowledge, for example, doctors, trained radiologists, or
trained technologists, after appropriate application training.
United States Federal law restricts this device for sale by or on the
order of a physician (21 CFR 801.109(b)(1)).
1.1
1.2
1.3
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Patient population
No patient population restrictions are known.
Additional information on pediatric imaging
Be careful when scanning patients outside of the typical adult size
range. For more details and further literature on pediatric imaging,
please check the FDA’s Pediatric x-ray Imaging web page:
http://www.fda.gov/radiation-emittingproducts/
radiationemittingproductsandprocedures/medicalimaging/
ucm298899.htm
Contraindications
There are no known specific situations that contraindicate the use of
the SOMATOM CT system.
Basic safety rules
As the user, you must have the necessary qualification (for example,
training in a relevant medical profession). You must also have been
instructed in the use of the CT scanner.
CAUTION
Operation of the system by non trained users!
Incorrect diagnosis or treatment due to misinterpretation of
image information.
◆The SOMATOM system must only be used by persons with
the necessary specialist knowledge, for example, physicians,
trained radiologists, or trained technologists, after an
appropriate application training.
1.4
1.5
1.6
1.7
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Read the user documentation carefully and observe the instructions.
This applies especially to guidelines that deal with function tests,
mechanical safety and radiation protection.
CAUTION
Not observing the Instructions for Use of the system, system
options and accessories!
Injury of the patient.
◆Always use the Instructions for Use in conjunction with the
Instructions for Use of the particular units used.
◆Follow the safety instructions.
CAUTION
Not observing the Instructions for Use of the software and its
applications!
Wrong basis for diagnosis.
◆Always use this Instructions for Use in conjunction with all
Instructions for Use provided.
◆Follow the safety instructions.
CAUTION
User is not instructed in how to operate the applications!
Wrong basis for diagnosis.
◆The operator must be qualified to use the applications.
Relevant statutory stipulations must be observed during installation,
operation and maintenance. Supplementary safety information is
given in System Owner Manual:
•Technical specification
•Standards and statutory regulations
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•Dosimetry and imaging performance report
•Location of labels
Please observe the information given in System Owner Manual.
User documentation
To make it easier for you to work with the system, the following
documentation is provided:
Document Description Availability
Instructions for
Use
Provides instructions on how
to use the CT system prop-
erly and safely.
At syngo Workplace
You can also access the Instructions for Use at
www.siemens.com/MedImaging-Manuals.
Online Help Provides detailed operating
instructions on how to use
CT software and hardware.
At syngo Workplace (by pressing F1)
Quick Guide Describes fundamental
safety information and the
basic steps of performing a
routine CT exam.
As printed
System Owner
Manual
Provides a compilation of
important documents, for
example, technical data,
declaration of conformity,
location of labels.
As printed
Release Notes Includes the latest product
information.
As printed
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The following documents are only valid for the stated software
version and in conjunction with the latest Release Notes:
•Instructions for Use
•Online Help
•Quick Guide
•System Owner Manual
More information can be obtained via Internet at
www.medical.siemens.com.
Always store manuals in an easily accessible location in the vicinity
of the system.
About the Quick Guide
The Quick Guide describes the use of the SOMATOM Scope computed
tomography system and its operating software. The description is
limited to basic operating steps only.
This Quick Guide has been developed to cover important
information, for example, switching the system on and off, as well as
to help users who wish to familiarize themselves with the system.
The Quick Guide is only valid in conjunction with the following
documentation:
•SOMATOM Scope Instructions for Use
•System Owner Manual
•Release Notes
The workflow of a routine examination is described step-by-step
based on the example of an examination of the abdomen.
This Quick Guide applies to the following devices:
•SOMATOM Scope
•SOMATOM Scope Power
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Safety instructions
CAUTION
Uncontrolled system movements and unintended radiation
exposure!
Injury to the patient and personnel, and radiation damage.
◆Always verify that the patient is correctly positioned.
◆Always observe the patient during system movements.
◆Press a STOP key in any of the following situations:
•The patient is not positioned correctly during system
movements
•At any unintentional system movement (especially at
autorange)
•The patient table moves in a wrong direction
•The patient table does not stop as expected
•A key sticks or a movement does not stop immediately
when a key is released
•The Suspend key does not respond during a scan
◆Press an EMERGENCY OFF key if the system does not respond
to the STOP keys in any hazardous situation.
◆Shut down the system immediately if system malfunctions
are detected and notify the Customer Service at Siemens
Healthineers.
1.10
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WARNING
Unauthorized manipulation on or improper use of the system!
Electric shock
◆Never open the monitor.
◆Contact, and leave all repairs to, the Customer Service at
Siemens Healthineers.
◆Never place cups, glasses or other vessels containing liquid
on or near the monitor, in case of accidental spillage.
◆Make sure that no objects, for example, necklaces,
paperclips, or liquids can get into the interior of the device
(electric shock, short circuit).
CAUTION
The system carries line voltage!
Electric shock or burn from high short-circuit current.
◆Never open components of the system.
◆Contact, and leave all repairs to, the Customer Service at
Siemens Healthineers.
◆Make sure that no objects, for example, necklaces,
paperclips, or liquids can get into the interior of the system
(electric shock, short circuit).
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WARNING
Fire inside or in the vicinity of the system!
Injury of patient and personnel and damage to the property
possible. Risk of gas poisoning caused by burning plastic.
◆Switch off the acquisition system in the event of fire.
◆Make sure that you and the patient know where the escape
routes are.
◆Make sure that you know where the fire extinguishers are
located and familiarize yourself with the use of them.
CAUTION
Monitor failure!
Uncontrolled system.
◆Do not make any more entries via the keyboard.
◆Interrupt the examination.
◆If necessary, press a STOP key or, in case of an emergency, an
EMERGENCY OFF button.
CAUTION
Impermissible or faulty manipulations or changes of the
hardware or software can cause the system to malfunction!
Injury of the patient or damage to the equipment, or both.
◆Do not open or remove the cover of the equipment nor install
third-party software.
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In case of emergency
In addition to the STOP keys at the CT unit, EMERGENCY OFF keys to
be provided by the customer have to be easily visible and within easy
reach. Country-specific regulations must be observed.
In extreme cases, you can press an EMERGENCY OFF key to shut
down the whole system. Radiation and system movements will be
stopped.
You must only press the EMERGENCY OFF key:
•If the STOP key on the CT system does not respond.
•If situations arise that could cause injury to the patient or user or
damage to the equipment (for example, liquids or particles getting
into the equipment, damage of cover parts, fire).
Only after all causes of danger have been found and remedied, the
unit may be switched on again by a controlled restart.
The EMERGENCY OFF key interrupts the power supply of the system.
Data can be lost.
Restarting after emergency stop
In case the system has been switched off by pressing the emergency
key in the examination room (for example, by accident), a controlled
restart has to be done.
✓All causes of danger have been found and remedied.
1Wait for approximately 1 minute after power switch off.
2Release the EMERGENCY OFF key provided by the customer.
3Switch the system on again.
4Perform the usual checkup procedure to calibrate the system.
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2.1
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Country-specific regulations must be observed.
Restarting after power failure
If the power failure occurs, you can restart your system after power
recovery.
✓A power failure has occurred.
1Switch the power switch off.
2Wait for approximately 1 minute after power recovery.
3Switch the system on again.
Retracting the table top in emergency
In an emergency or power failure, you can position the table top
manually. You can use the handle at the end of the table to move
the table top out of the gantry.
2.2
2.3
2 In case of emergency
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