Mediso Nucline SPIRIT DH-V User manual

Nucline
TM SPIRIT DH-V
DUAL - HEAD SPECT AND WHOLE BODY
DIGITAL GAMMA CAMERA
Operator's Manual
Revision 3.04

Part number: DV-93-10-03
The information and drawings set forth in this manual are the property of
Mediso Ltd. No part of this document may be copied without the prior consent
of Mediso Ltd.
Manufacturer reserves the right to revise or update the contents of this manual
due to modifications or improvements in the design of the equipment without
obligation to notify any person or organization of such changes.
Nucline is a registered trademark of Mediso Ltd.
Other brand or product names are trademarks or registered trademarks of their
respective holders.
Mediso Ltd. - Medical Imaging Systems
Address: H-1022 Budapest, Alsótörökvész út 14. HUNGARY
Phone: [phone]
Fax: [phone]
E-Mail: [email protected]

Revision 3.04 3/195
Disclaimer
Mediso Ltd. and its official representatives may not be held responsible for
personal injury or damage of any kind, expressed or implied, caused by, or
emerging out of the use of this equipment, if equipment is not operated in
adherence to operating and maintenance procedures set forth in this manual.
Users exchanging files and diskettes should beware of the risk of computer
viruses. Damage caused by user provided programs, scripts, or computer
viruses are NOT warranted by Mediso Ltd.
Warning
Electrical
Failure to provide an adequate earth ground circuit can result in a
shock hazard which can cause serious personal injury.
Only properly trained personnel should be permitted access to any
internal part of the equipment. Live electrical terminals and components inside
electronics cabinets can present a shock hazard and can cause serious or fatal
injury.
Maintenance and service routines beyond those mentioned in this manual must be
referred to service personnel authorized by the manufacturer. In the absence of
appropriate instructions in this manual do not attempt to make service work on the
equipment.
When this equipment is interconnected with other electrical appliances in its normal
operation, it is important, that these other appliances also be provided with adequate
grounding protection. Faults occurring in any interconnected appliance can degrade
the safety of this product.
Mechanical
All moveable assemblies and supporting structures should be operated with care and
routinely inspected. Any collision which could damage the equipment, worn
components, unusual noises or difficulties in operation should be reported to the
manufacturer's office immediately.
Radiation
This equipment does not generate any hazardous radiation. When using radioactive
isotopes or compounds, safe and proper handling techniques should always be
observed. If radioactive contamination occurs, use the decontamination agent and
method as described in your site protocol to clean the outside of the equipment.

Nucline SPIRIT DH-V Operator’s Manual
4/195 26/07/2007
ECN Rev. Date Description Pages Approved
0000307 3.01 24.01.2006. upgrade all
0000869 3.02 26.07.2007. Warning label on the
collimator cart. 46 Daniel Cser
0000970 3.03 13.11.2007. Collimator exchange 65-75
0000972 3.04 14.11.2007. ECG connections 112

Revision 3.04 5/195
Table of contents
Disclaimer .................................................................................................................................. 3
Warning ...................................................................................................................................... 3
Electrical .................................................................................................................................. 3
Mechanical............................................................................................................................... 3
Radiation.................................................................................................................................. 3
TABLE OF CONTENTS................................................................................... 5
INTRODUCTION ............................................................................................ 10
SCOPE OF MANUAL .................................................................................... 11
Text Conventions Used in this Manual ................................................................................. 12
CHAPTER 1. SAFETY AND REGULATORY INFORMATION.................... 13
1.1 General Safety .............................................................................................................. 14
1.1.1 Electrical Safety....................................................................................................... 16
1.1.1.1 Safety Requirements ....................................................................................... 16
1.1.1.2 Prevention of Electrical Hazards...................................................................... 17
1.1.1.3 Handling Danger Situations ............................................................................. 18
1.1.2 Mechanical Safety ................................................................................................... 18
1.1.3 Radiation ................................................................................................................. 18
1.2 IEC Symbols Used........................................................................................................ 19
1.3 Safety Devices .............................................................................................................. 20
1.3.1 Emergency Stop Button .......................................................................................... 21
1.3.1.1 Using the Emergency Stop .............................................................................. 21
1.3.1.2 Resetting the Emergency Stop switches ......................................................... 21
1.3.2 Preventing Collisions............................................................................................... 22
1.3.3 Uninterruptible Power Supply (UPS)....................................................................... 23
1.3.3.1 Start up............................................................................................................. 23
1.3.3.2 Shift to booster or fader mode ......................................................................... 24
1.3.3.3 Operation on battery power ............................................................................. 25
1.4 Patient Safety and Emergency Handling ................................................................... 25
1.4.1 Patient Handling ...................................................................................................... 25
1.4.2 Patient Positioning................................................................................................... 26
1.4.3 Emergency Handling............................................................................................... 26
1.4.4 Power Failure Procedure ........................................................................................ 27
1.4.5 When Electrical Power is Restored......................................................................... 27
1.5 Data Safety .................................................................................................................... 28
1.5.1 General.................................................................................................................... 28
1.5.2 Connectivity............................................................................................................. 28

Nucline SPIRIT DH-V Operator’s Manual
6/195 26/07/2007
1.6 Safe Operation Guidelines .......................................................................................... 28
1.7 Safety Labels ................................................................................................................ 29
1.8 Regulatory Information................................................................................................ 30
1.8.1 Standard Compliance.............................................................................................. 30
1.8.2 USA Regulations ..................................................................................................... 31
CHAPTER 2. SYSTEM OVERVIEW............................................................ 32
2.1 The Nucline SPIRIT DH-V System............................................................................. 33
2.2 Operating Conditions................................................................................................... 33
2.2.1 Installation Site Requirements ................................................................................ 34
2.2.2 Environmental Conditions ....................................................................................... 34
2.3 System Overview.......................................................................................................... 35
2.3.1 Gantry...................................................................................................................... 36
2.3.1.1 Switches and Indicators on the Gantry ............................................................ 36
2.3.1.2 Handcontroller.................................................................................................. 37
2.3.2 Image Acquisition Workstation................................................................................ 37
2.3.2.1 Emergency Stop knob...................................................................................... 38
2.3.3 Electronics Rack...................................................................................................... 39
2.3.3.1 Front Panel Buttons and Indicators ................................................................. 41
2.3.4 Imaging Table.......................................................................................................... 41
2.3.4.1 Locating the table............................................................................................. 42
2.3.4.2 Parking positions.............................................................................................. 42
2.3.4.3 Table controls................................................................................................... 42
2.3.4.4 Head holder and Strap..................................................................................... 43
2.3.5 Collimators and collimator carts .............................................................................. 43
2.3.5.1 Collimators ....................................................................................................... 43
2.3.5.2 Collimator carts ................................................................................................ 45
2.3.5.3 Refillable flood source and mixing cart ............................................................ 46
2.4 Inserting media into the acquisition system ............................................................. 47
2.4.1 Inserting a floppy disk.............................................................................................. 47
2.4.2 Inserting a CD ROM ................................................................................................ 48
2.5 Starting and Stopping the System.............................................................................. 48
2.5.1 Turning on the System ............................................................................................ 48
2.5.2 Restarting the System............................................................................................. 49
2.5.3 Turning Off the System ........................................................................................... 49
CHAPTER 3. NUCLINE SPIRIT DH-V CONTROL .................................... 50
3.1 Using the handcontroller............................................................................................. 51
3.2 System Operations....................................................................................................... 53
3.3 Normal modes............................................................................................................... 56
3.3.1 MANUAL mode ....................................................................................................... 56
3.3.2 COLLISION OVERRIDE mode ............................................................................... 57
3.4 In case of problem........................................................................................................ 58
3.4.1 ERROR mode ......................................................................................................... 58
3.4.2 EMERGENCY mode ............................................................................................... 59
3.4.2.1 Resetting the Emergency Stop switches ......................................................... 59
3.4.3 COLLISION ............................................................................................................. 60

Revision 3.04 7/195
3.4.3.1 Preventing collisions ........................................................................................ 60
3.4.3.2 Clearing collisions ............................................................................................ 61
3.4.4 Power failure procedure .......................................................................................... 63
3.4.4.1 When electrical power is restored.................................................................... 64
3.5 Preprogrammed motions............................................................................................. 64
3.5.1 HOME...................................................................................................................... 65
3.5.2 COLLIMATOR EXCHANGE.................................................................................... 65
3.5.2.1 Collimator exchange ........................................................................................ 65
CHAPTER 4. ACQUISITION IMAGE .......................................................... 76
4.1 Using the acquisition monitor..................................................................................... 77
4.2 Using the image acquisition keyboard....................................................................... 78
4.3 Patient orientation ........................................................................................................ 80
4.4 Using the detector masks............................................................................................ 81
4.4.1 Total body mask ...................................................................................................... 81
4.4.2 Fixed masks ............................................................................................................ 81
4.5 Setting up acquisitions................................................................................................ 82
4.5.1 Setting up SPECT acquisitions ............................................................................... 83
4.5.2 Setting up total body acquisitions............................................................................ 84
4.6 Marking anatomical features....................................................................................... 85
4.6.1 Inserting crosshair marks manually......................................................................... 85
4.6.2 Creating a protocol for automatic hot spot localizing .............................................. 86
4.6.3 Inserting crosshair marks automatically .................................................................. 87
CHAPTER 5. THE MENU SYSTEM ............................................................ 88
5.1 Main menu..................................................................................................................... 88
5.2 Main menu options....................................................................................................... 89
5.3 Menu Tree...................................................................................................................... 90
CHAPTER 6. LEARNING IMAGE ACQUISITION....................................... 92
6.1 Image acquisition exercises........................................................................................ 93
6.1.1 Static study acquisition............................................................................................ 93
6.1.2 Dynamic study acquisition....................................................................................... 97
6.1.3 SPECT acquisition ................................................................................................ 100
6.1.4 Gated study acquisition......................................................................................... 102
6.1.5 Total body acquisition............................................................................................ 108
6.1.6 Gated SPECT acquisition ..................................................................................... 112
6.1.7 Protocol string acquisition ..................................................................................... 117
CHAPTER 7. ACQUIRE MENU OPTIONS................................................ 121
7.1 Procedure Setup Form............................................................................................... 122
7.2 Patient Information Form........................................................................................... 124
7.3 Study Setup Forms..................................................................................................... 125

Nucline SPIRIT DH-V Operator’s Manual
8/195 26/07/2007
7.3.1 Generally occurring fields...................................................................................... 125
7.3.2 Static Setup Form.................................................................................................. 128
7.3.3 Dynamic Setup Form............................................................................................. 129
7.3.4 SPECT Setup Form............................................................................................... 130
7.3.5 Gated Setup Form................................................................................................. 132
7.3.6 Total Body Setup Form ......................................................................................... 135
7.3.7 Gated SPECT Setup Form.................................................................................... 136
CHAPTER 8. CUSTOMIZING ACQUISITIONS......................................... 140
8.1 Customizing isotope settings ................................................................................... 141
8.1.1 Creating isotope settings....................................................................................... 141
8.1.2 Deleting isotope settings ....................................................................................... 143
8.2 Customizing clinical procedures .............................................................................. 143
8.2.1 Creating clinical procedures.................................................................................. 143
8.2.2 Modifying clinical procedures ................................................................................ 145
8.2.3 Deleting parameter sets or entire procedures....................................................... 146
8.2.4 Copy a Protocol..................................................................................................... 147
CHAPTER 9. OPERATOR MAINTENANCE............................................. 149
9.1 Maintenance schedule ............................................................................................... 150
9.2 Preparing a uniform flood source............................................................................. 151
9.3 Peaking and window verification.............................................................................. 152
9.3.1 Procedure 1: Peaking from SPECTRUM Setup.................................................... 152
9.3.2 Procedure 2: Peaking from within an acquisition setup ........................................ 154
9.4 Preventive maintenance and quality assurance ..................................................... 155
9.4.1 Care and maintenance.......................................................................................... 155
9.4.2 Users test .............................................................................................................. 156
9.4.2.1 Uniformity test ................................................................................................ 156
9.4.2.2 Center of Rotation (COR) test........................................................................ 160
9.4.2.3 Image resolution test...................................................................................... 163
9.4.3 User Calibrations................................................................................................... 165
9.4.3.1 Energy & uniformity calibration ...................................................................... 166
9.4.3.2 Center of rotation calibration.......................................................................... 168
9.5 Service functions........................................................................................................ 170
9.5.1 Checking the status of distortion corrections ........................................................ 170
9.5.2 Set Date and Time ................................................................................................ 170
9.6 Database Maintenance............................................................................................... 171
9.7 File Sending ................................................................................................................ 175
9.8 Image Display ............................................................................................................. 175
9.9 About NEMA performance tests ............................................................................... 175
CHAPTER 10. TROUBLESHOOTING ...................................................... 176
APPENDIX A - ACCESSORIES .................................................................. 179

Revision 3.04 9/195
APPENDIX B - ROOM LAYOUT.................................................................. 180
APPENDIX C - REAR PANEL CONNECTORS........................................... 182
APPENDIX D - DIMENSIONS AND WEIGHT.............................................. 183
APPENDIX E - SERVICE MODES............................................................... 185
1. MANUAL OVERRIDE .................................................................................................. 186
2. HOMING ALL............................................................................................................... 187
3. CALIBRATION............................................................................................................. 188
4. SET EXCHANGE POSITION....................................................................................... 193
APPENDIX F - TECHNICAL SPECIFICATIONS ......................................... 194
APPENDIX G - SIMPLIFIED SYSTEM BLOCK DIAGRAM......................... 195

Nucline SPIRIT DH-V Operator’s Manual
10/195 26/07/2007
Introduction
Welcome to Nucline SPIRIT DH-V, an up-to-date digital gamma camera
system ideally suited for planar static, dynamic as well as SPECT and whole
body imaging applications with high patient throughput requirements. To
extend the usefulness of Nucline SPIRIT DH-V, the system includes the
optional ECG gated acquisition capability which allows performing gated
cardiac planar and gated cardiac SPECT studies.
To enhance system features toward higher resolution imaging, Mediso
presents the HR detectors option utilizing thinner NaI(Tl) detector crystal, most
suitable under gamma photon energies of 200 keV. The Nucline SPIRIT DH-
VHR camera has excellent spatial resolution when combined with Low Energy
Ultra High Resolution LEUHR collimators.
For image processing facility, as of this time, you can directly connect one or
more instances of Mediso’s Nucline P image processing workstations and a
number of image processing workstations marketed by other manufacturers.
Beyond the above standard options the acquisition system can be configured
to transfer the acquired studies to multiple networked processing workstations
in several other file formats such as Dicom 3.0, Interfile 3.3 and direct file
formats supported by a number of other manufacturers' image processing
systems.
The open computer architecture of the system allows a choice of computer
accessories and peripherals. Refer to Appendix A for a list of accessories.
This manual provides the information you need to use the Nucline SPIRIT
DH-V SPECT and whole body system and perform routine maintenance.

Preface
Revision 3.04 11/195
Scope of manual
The Nucline SPIRIT DH-V Acquisition Operator's Manual contains the
following chapters:
Chapter 1 SAFETY AND REGULATORY INFORMATION
Describes safety precautions and safety features.
Chapter 2 SYSTEM OVERVIEW
Contains environmental requirements, provides system overview, system
power-up, rebooting, shut-down and other priority procedures.
Chapter 3
Nucline SPIRIT DH-V CONTROL
Describes how to operate and use the system and its components. This
chapter explains detector and gantry motions and positioning, collimator
exchange, preventing and clearing collisions and using the emergency stop
switches.
Chapter 4 ACQUISITION IMAGE
Describes how to use acquisition monitor, acquisition keyboard, detector
masks and how to set up acquisitions. The end of this chapter shows you the
marking of anatomical features.
Chapter 5 THE MENU SYSTEM
Describes the main functions available from the main menu and displays the
menu tree.
Chapter 6 LEARNING IMAGE ACQUISITION
Provides you with examples of image acquisitions. This chapter steps you
through menus necessary for acquiring data for various study types available
in the
Nucline SPIRIT DH-V system.
Chapter 7 ACQUIRE MENU OPTIONS
Describes the ACQUIRE Patient Study menu options and data entry fields in
detail.
Chapter 8 CUSTOMIZING ACQUISITIONS
Describes how to customize your acquisition system by creating, modifying or
deleting isotope settings and clinical procedure definitions.
Chapter 9 OPERATOR MAINTENANCE
Provides instructions on routine procedures designed to maintain system
quality and reliability. This chapter contains care and maintenance, test and
calibration procedures performed by the operator.
Chapter 10 TROUBLESHOOTING
Provides an overview on resolving common system problems.
Appendices A through G
Contains useful information, drawings and diagrams, such as: list of
accessories, room layout, dimensions, floor loading, rear panel connectors,
technical specification, and a simplified system block diagram.

Nucline SPIRIT DH-V Operator’s Manual
12/195 26/07/2007
NOTE
This manual does not include information on clinical image processing
procedures. Topics related to image manipulation and clinical evaluation are
covered in your image processing workstation's manuals
Text Conventions Used in this Manual
The following conventions are used throughout the manual:
Special keys on keyboards, push-buttons and switches are indicated by bold-
faced characters between angle brackets e.g. <Enter>, <Home Position>,
<ON/OFF>.
Software buttons, called also Soft Keys are indicated by bold-faced characters
between rectangular parentheses. e.g. [OK], [Yes], [Cancel].
Names of icons, windows, dialogs, parameters to be selected or typed, system
tools, menus and tabs, are indicated by bold-faced characters. e.g. My
Computer icon, Perfusion Review screen, 30 s time, Scroll Data drop-down
menu, Dual Scroll Tool, DICOM Tab.
System messages are indicated by bold-faced, Courier New characters. e.g.
Press Y to continue.
System parameters whose actual values must be defined by the user are
indicated by bold-faced italic characters. e.g. Type-in the Patient ID.
Words are emphasized in italic characters to stress their importance.
Hyperlinks are indicated by blue-faced characters.
WARNING
This sign denotes important warning that is to be obeyed to eliminate the
risk of personal injury or an incorrect clinical diagnosis.
CAUTION
Denotes important information to avoid serious system errors or
equipment damage.
NOTE Additional information for reader understanding or simplification of a task.
IMPORTANT It refers to other important information.
All labels relating to Safety appear in Chapter 1 Safety and Regulatory Information.
Read this section before any attempt is made to operate the system.

Safety and Regulatory Information
Revision 3.04 13/195
Chapter 1. Safety and Regulatory
Information
The safety precautions and regulatory information included in this chapter are
provided in the following sub-sections:
General Safety
IEC Symbols Used
Safety Devices
Patient Safety and Emergency
Data Safety
Safe Operation Guidelines
Safety Labels
Regulatory Information

Nucline SPIRIT DH-V Operator’s Manual
14/195 26/07/2007
1.1 General Safety
1. The safety of both patients and operators has been a major consideration
factor during the design of this equipment. With proper use and care, it will
perform safely and reliably. Misuse, however, may result in personal injury or
equipment damage.
WARNING
Do not operate the system until you have read and understand the safety
precautions described in this chapter. The instructions in this manual are
provided for your benefit. Be sure to read them before operating this
equipment, and retain the equipment's manuals for future reference.
2. The system has been designed to meet all the safety requirements applicable
to medical equipment. However, anyone attempting to operate the system
must be fully aware of potential safety hazards.
3. There are no user serviceable parts in this system. The product should be
installed, maintained and serviced by qualified service personnel according to
procedures laid down in the product service manuals.
4. The system in whole or in part should not be modified in any way without prior
written approval by Mediso Medical Imaging Systems. Do not defeat any
safety feature of the system.
5. The manufacturer or vendor of the equipment makes no representation,
however, that the act of reading this manual renders the reader qualified to
operate, test or calibrate the system.
6. The images and calculations provided by this system are intended as tools for
the competent user. They are explicitly not to be regarded as a sole
incontrovertible basis for clinical diagnosis. Users are encouraged to study the
literature and reach their own professional conclusions regarding the clinical
utility of the system.
7. The user should be aware of the product specifications, system accuracy, and
stability limitations. These limitations must be considered before making any
decision based on quantitative values. In case of doubt, please consult your
sales representative.
8. Preventative maintenance must be carried out regularly to ensure safe
operation of the equipment.
9. Operate the system only after complying with the daily quality assurance
requirements. For user maintenance of the system and performance tests,
refer to maintenance and QC sections, respectively. (Chapter 9 Operator
Maintenance).
10. Unauthorized personnel should not be allowed access to the system. The
owner should make certain that only properly trained, fully qualified personnel
are authorized to operate the equipment. An authorized operators list should
be maintained.

Safety and Regulatory Information
Revision 3.04 15/195
11. It is important that this manual should be kept at hand, studied carefully and
reviewed periodically by the authorized operators.
12. Ensure a qualified operator is present all through acquisitions.
13. Do not place patients weighing in excess of 200 kg (440 lbs) on the imaging
table.
14. Do not let the patient lean or sit on the end of the imaging table, because it will
not support the patient’s weight.
15. When installing a collimator, ensure the collimator is properly mounted by
turning the collimator lock into the locked position.
16. The flood source, filled with radioactive isotopes or compounds, gives off
hazardous radiation. Safe and proper handling techniques as well as local
radiation protection procedures should always be observed when using the
flood source. Provide appropriate shielding for the filled source when not in
use.
17. Do not operate the system any further if a problem occurs with a mechanical
control device (e.g. joystick, ENABLE button, Emergency Stop knob).
18. Call service immediately in the event of noting failures, or any unusual,
incorrect or erratic operation.
19. Power failures that interrupt power to the detector electronics can adversely
affect the detectors condition. If it occurs for a time period exceeding 30
minutes, perform the uniformity test to see whether the detector maintained
the uniformity following the power failure. For details, see 9.4.2.1 Uniformity
test.
20. If the product does not operate properly or if it fails to respond to the controls
as described in this manual, the operator should:
First ensure the safety of the patient and then the protection of the
equipment.
In any potentially unsafe situation, the patient should be evacuated from
the area as quickly as possible.
Freeze the situation and prevent any changes.
Contact the service office immediately, report the incident and await
further instructions.

Nucline SPIRIT DH-V Operator’s Manual
16/195 26/07/2007
21. Electrical Fire - Conductive fluids that seep into the active circuit components
of the system may cause short circuits that can result in electrical fires.
Therefore, do not place any liquid or food on any part of the system. To avoid
electrical shocks or burns caused by the use of wrong type of fire extinguisher,
make sure that only fire extinguisher approved for use on electrical fires are
used.
22. Explosion Hazard - Do not operate the equipment in the presence of
explosive liquids, vapors or gases. Do not plug in or turn on the system if
hazardous substances are detected in the environment. If hazardous
substances are detected after the system has been turned on, do not attempt
to turn off or unplug the system until the area has been evacuated and
ventilated.
23. Overheating - Do not block the ventilation ports of the electronic equipment.
Always maintain at least 6 inches (15 cm) clearance around the ventilation
ports to prevent overheating and damage to the electronic hardware.
1.1.1 Electrical Safety
Nucline SPIRIT DH-V is Class I Type B equipment designed to comply with
IEC 60601-1 (EN 60601-1) electrical safety and IEC 60601-1-2 (EN 60601-1-2)
electromagnetic compatibility regulations.
1.1.1.1 Safety Requirements
WARNING
Manufacturer approves the electrical safety of this equipment only if the
following requirements are being observed:
1. Connect the equipment's AC power plug only to wall outlets with
protective earth connection.
The earth grounding line of the wall outlet must be connected to a
properly earth grounded receptacle. The neutral side of the power
line is not to be considered as grounding.
2. If the camera room is equipped with a grounded network: Use
separate conductors to connect the grounding connector on the back
of the
Nucline SPIRIT DH-V Electronics Rack and the grounding
connector on the back of the gantry to the common node of the
grounded network in the room. To locate the grounding connector on
the back of the electronics rack, refer to Appendix C.
NOTE Two suitable insulated copper cables of minimum 6 mm diameter are
supplied with the system as standard accessory.
3. For external connections, in order to maintain electrical safety, only
the peripherals listed below, or others subsequently approved by
Mediso Medical Imaging Systems, may be powered directly from the
two output AC sockets (marked by the "TO ACCESSORIES" label)
on the
Nucline SPIRIT DH-V Electronics Rack.
To locate the two isolated output AC sockets on the back of the
electronics rack, refer to Appendix C.

Safety and Regulatory Information
Revision 3.04 17/195
Rating USA Wall Plug European Wall Plug
Current 12 A 6 A
Voltage 115 VAC 230 VAC
Cable diameter 0.5 inch (12 mm) 12 mm
Approvals
UL: “Hospital Grade”
or
UL: “Hospital Only”
Meets local current and
voltage ratings
The total current from the two output AC sockets should be less than
2A.
Other peripherals connected to the system shall be independently
powered and grounded.
4. Refer all servicing to electrical engineers qualified by the
manufacturer. Do not change internal components, such as
computer interface cards in the acquisition system. Do not install
new hardware, such as computer interface cards into the acquisition
system.
1.1.1.2 Prevention of Electrical Hazards
Do not place objects containing liquid on the electronics cabinets. Do
not spray aerosols or liquids on the equipment. Liquids or accidental
spills entering the detector, gantry or other electronics cabinets can
produce an electrical hazard.
Do not remove enclosure panels to clean the internal parts of the
system.
Place electrical cords and cables in locations where they will not be
stepped on.
Keep air vents for the detector, electronics cabinet, and gantry free
of obstructions. Insufficient air flow can produce overheating that
damages electrical components.
WARNING
Failure to provide an adequate earth ground circuit can result in a
shock hazard which can cause serious personal injury.
Only properly trained personnel should be permitted access to any internal
part of the equipment. Live electrical terminals and components inside
electronics cabinets can present a shock hazard and can cause serious or
fatal injury.

Nucline SPIRIT DH-V Operator’s Manual
18/195 26/07/2007
Maintenance and service routines beyond those mentioned in this manual
must be referred to service personnel authorized by the manufacturer. In
the absence of appropriate instructions in this manual do not attempt to
make service work on the equipment.
When this equipment is interconnected with other electrical appliances in
its normal operation, it is important, that these other appliances also be
provided with adequate grounding protection. Faults occurring in any
interconnected appliance can degrade the safety of this product.
1.1.1.3 Handling Danger Situations
Even with proper use and care, accidents can happen. In case electrical
hazards or unforeseen events occur that can present danger, such as
liquid is spilled or object is dropped into the system,
cables get cut, broken or cable insulation damaged,
smell of burning or smoke comes from the system,
do the following:
1. Switch off the Main Power Switch located at the lower left corner on
the back door of the Gantry, or remove the power plug of the
Electronics Rack from the wall outlet or uninterruptible power supply
(UPS).
2. Notify your service representative or the Mediso Medical Imaging
Systems office of the accident.
1.1.2 Mechanical Safety
All moveable assemblies and supporting structures should be operated with
care and routinely inspected. Any collision which could damage the equipment,
worn components, unusual noises or difficulties in operation should be reported
to the manufacturer's office immediately.
1.1.3 Radiation
This equipment does not generate any hazardous radiation. When using
radioactive isotopes or compounds, safe and proper handling techniques should
always be observed. If radioactive contamination occurs, use the
decontamination agent and method as described in your site protocol to clean
the outside of the equipment.

Safety and Regulatory Information
Revision 3.04 19/195
1.2 IEC Symbols Used
The system may have labels with one or more of the following symbols. These
symbols indicate the IEC standards to which the system conforms.
Symbol IEC Standard
Alternating Current
Protective Earthing Point
ON / Power ON
OFF / Power OFF
Input Power
Output Power
Functional Earth Ground
Warning, Caution - consult accompanying
documents
Electrical Shock Hazard
Wheelie Bin

Nucline SPIRIT DH-V Operator’s Manual
20/195 26/07/2007
1.3 Safety Devices
The imaging system has 3 types of safety devices:
Emergency Stop Button - used by the operator to halt the motorized system
motions in cases where there is any possibility of danger to the patient.
Preventing Collisions – serve to protect against an inadvertent collision or
contact between the patient and the detector during imaging procedures.
Uninterruptible Power Supply (UPS) (optional) – used to protect the electrical
equipments in case of power failure.
IMPORTANT The operator must be familiar with the location and operation of all
safety devices.
WARNING
If there is any possibility of danger to the patient, press the emergency
stop button to halt the motion.
IMPORTANT The Safety Devices must be maintained and tested regularly.
WARNING
Do not place high activity sources close to an uncollimated detector.
Sources greater than 0.5 mCi (18.5 MBq) placed within 0.5 m of an
uncollimated detector may cause long term image quality defects.