INSTRUCTIONS FOR USE Optimus 50/65/80
Contents
1. Part of body Lower extremities 21 Nov 2005 Philips Medical Systems Toes 18 x 24 13 x 18 2 46 2 5 110 200 Forefoot 18 x 24 3 48 2 5 110 200 Forefoot oblique 18 x 24 4 48 3 2 110 200 Foot 18 24 5 50 3 2 110 200 Foot oblique 18 x 24 6 50 5 110 200 Lower ankle ap 18 x 24 divid in 2 9 55 5 110 200 Lower ankle oblique 18 x 24 divid in 2 7 52 4 110 200 Upper ankle ap 18 x 24 divid in 2 9 55 5 110 200 Upper ankle lateral 18 x 24 divid in 2 8 55 4 110 200 Calcaneum axial 18 x 24 divid in 2 11 55 6 4 110 200 Calcaneum lateral 18 x 24 divid in 2 8 52 4 110 200 Lower leg upper ankle ap 20 x 40 9 57 4 110 200 Lower leg upper ankle lateral 20 x 40 8 57 3 2 110 200 Lower leg knee ap 20 x 40 11 60 5 110 200 Lower leg knee lateral 20 x 40 10 60 4 110 200 Knee ap 18 x 24 11 66 5 110 200 Knee lateral 18 x 24 10 66 4 110 200 Patella axial D fil 13 x 18 12 63 8 110 200 Frik 13 x 18 or 18 x 24 13 63 10 110 m 200 special cassette Femur knee ap lateral 20 x 40 14 66 2 D 110 200 Femur hip ap 20 x 40 16 73 20 QD 110 E 400 Femur hip lateral 20 x 40 16 73 25 O 110 8 400 24 30 20 77 20 110 Em 400 Hip Sven Johansson 24 x 30 20 81 10 110 400 Hip axial Lauenstein 24 x 30 22 77 25 110 ER 400 Pelvis ap 35 x 43 30 x 40 20 77 85 12 5 DRO 110 i 400 Optimus 50 65 80 Version 3 6 Appendix 7 6 Abbreviations and their meanings 7 6 Abbr2. Worth to know 1 5 1 6 Conformity This Medical Device meets the provisions of the Medical Device Directive MDD 93 42 EEC 93 If you have further questions regarding the applicable national or interna tional standards please address them to Philips Medical Systems DMC GmbH Quality Assurance Department Roentgenstrasse 24 D 22335 Hamburg Fax 49 40 5078 2147 Training The X ray equipment may only be operated by persons who have the neces sary expertise in radiation protection or knowledge of radiation protection and who have been instructed in how to operate the X ray equipment Other Instructions for Use This X ray generator is part of a system The other system components are described in seperate manuals Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems About this manual 2 1 2 1 2 2 2 3 Optimus 50 65 80 Version 3 6 Safety About this manual This manual is intended to enable you to work safely with the X ray equip ment described You may only use this equipment in compliance with the safety instructions in this manual and not for purposes other than those for which it is intended It is always the user who is responsible for complying with the regulations which apply to the setting up and operation of X ray equipment Electrical safety This X ray equipment meets the safety class I and type B according to IEC 60601 1
3. Switch on automatic kV control e Switch on fluoroscopy Fluoroscopy display must be 60 kV Completely close diaphragm Fluoroscopy display must be 2100 kV after approx 2 5 s kV mA characteristics must be programmed by Customer Service so that the limits described can be reached AEC function Select AEC fixed current e Set values 40 kV 25 mA small focus SID 100 cm Collimator prefilter no Release an exposure and write down the exposure time Collimator prefilter max Cu Al Release an exposure and write down the exposure time The exposure time for the 2nd exposure must be at least twice as long Safety checks according to the Medical Device Directive The safety checks cover operability and operational reliability They must be performed at least every 2 years These tests constitute part of our preventive maintenance under our service agreements They cover visual checking for completeness and apparent damage or defects as well as soiling sticking parts and wear and tear which may affect safety testing the necessary monitoring safety display and indicating systems e measuring the safety relevant output parameters checking electrical safety as well as the operability of an internal energy supply for the particular product other special technical tests according to the generally accepted standards of engineering practice other necessary tests specif
4. TDC kV mAs technique kV mAs s technique kV mA s technique special exposures for 3 3 therapy simulation Fluoroscopy technique H 2 possible impossible only one kV mA characteristic possible Customer Service can assign different kV mA characteristics to the various APRs Fluoroscopy must be available Possible configurations e Basic version Also with AEC Automatic Exposure Control optional Also with APR Anatomically Programmed Radiography optional Also with AEC and APR optional This Operator s Manual describes all configurations Function and description 9 3 1 The function 10 3 1 3 3 1 4 Function and description Functions of the maximum configuration Exposure techniques APR with automatic exposure control AEC APR without automatic exposure control Techniques with automatic exposure control AEC kV technique with maximum tube power according to the focal spot selected or with fixed current within the adjustable values tomography TDC Tomography Density Control Techniques without automatic exposure control kV mAs technique kV mA s technique kV mAs s technique Other functions Change exposure data of an APR program for the next exposures without saving with saving afterwards e Save up to 1 000 APR programs Adapting the exposure data to the thickness of the patient s body
5. Only trained maintenance staff may remove the covers from the high voltage cable of the X ray tube assembly and the high voltage generator This X ray equipment may only be operated in medical rooms which meet IEC requirements You must never operate this X ray equipment in areas where there is a risk of explo sion Detergents and disinfectants including those used on patients may create explo sive mixtures of gases Please observe the relevant regulations Electromagnetic compatibility EMC In accordance with its intended use this electronic apparatus complies with the law governing EMC which defines the permitted emission levels from electronic equipment and its required immunity against electromagnetic fields Nevertheless it is not possible to exclude with absolute certainty the possibil ity that radio signals from high frequency transmitters e g mobile phones or similar mobile radio equipment which themselves conform to the EMC reg ulations may influence the proper functioning of electromedical apparatus if such equipment is operated in close proximity and with relatively high trans mitting power Therefore operation of such radio equipment in the immedi ate vicinity of electronically controlled medical apparatus should be avoided to eliminate any risk of interference Explanation Electronic apparatus that satisfies the EMC requirements is designed so that under normal conditions there is no ris
6. The LED lights up in the fields selected f you switch OFF all the measuring fields goes out Enter exposure data Example 70 kV 25 mAs 50 ms Oo If necessary adapt exposure data to the thickness of the patient s body Depending on programming by Customer Service the following are adapted for each individual auxiliary e kV and mAs in dose equivalent increments density in increments of 696 1296 2596 Position patient Collimate Release preparation step 1 6 goes out briefly Release exposure step 2 Hold down button until you hear the audible signal If you release before the signal sounds you abort the exposure Do not press the button more than three times a minute this increases the life of the X ray tube You can also press the button straight through to step 2 After the prepara tion time the exposure is released is lit preparation exposure or fluoroscopy can also be indicated visually optional After exposure e There is an audible signal goes out The exposure data remain intact e Dost exposure display appears for 25 s To call up the post exposure display again press Optimus 50 65 80 Version 3 6 Philips Medical Systems Philips Medical Systems 21 Nov 2005 Operation with APR without AEC 4 4 Optimus 50 65 80 Version 3 6 4 4 4 4 1 4 5 4 5 1 Operation with APR without AEC Exposure techniques The following exposure techniques are availab
7. Setting display brightness Press the buttons in the order indicated in the description below and keep them pressed for as long as you wish to change the brightness For settinig the display of exposure data panel of the APR indicator not selected possibly of the fluoroscopy indicator With brightness is reduced and with it increases For settinig the display of the APR program selected highlighted With brightness is reduced and with it increases Optimus 50 65 80 Version 3 6 Philips Medical Systems Philips Medical Systems 21 Nov 2005 Operation of the basic configuration 4 2 4 2 4 2 1 4 2 2 m E Optimus 50 65 80 Version 3 6 Operation of the basic configuration Exposure techniques The following exposure techniques are available kV mAs technique kV mA s technique The table on the right shows how to switch between the individual techni ques Initial state Switch over to Making X ray exposures Select auxiliary The LED is lit Select focal spot only with Variofocus option The LED is lit Enter exposure data Example 70 kV 25 mAs 50 ms If necessary adapt exposure data to the thickness of the patient s body Depending on programming by Customer Service kV and mAs are adapted in dose equivalent increments for each auxiliary Position patient Operation 23 4 2 Operation of the basic con
8. You can also press the button straight through to step 2 After the prepara tion time the exposure is released is lit preparation exposure or fluoroscopy can also be indicated visually optional After exposure e There is an audible signal goes out In the case of exposures without automatic exposure control the exposure data remain intact n the case of exposures with automatic exposure control the post expos ure display remains for 25 s If you wish to call up the post exposure display again press You can repeat the exposure using the same exposure data but without automatic exposure control Switch off AEC The exposure data last used appear Selecting exposure current for kV mA technique With the kV mA technique you can select the exposure current for the next exposure You can also program it as default according to your applicational requirements e g to extend the exposure time for making an exposure of the odontoid process of the axis For the kV mA technique you set the exposure current in the kV mA s technique direct or indirectly in the kV mAs s technique Please adhere to the sequence of steps Operation 35 4 7 Tomography 4 7 4 7 1 36 Operation a Setting via the kV mA s technique Switch off AEC The generator switches to the kV mA s technique if the generator is pro grammed to the kV mAs s technique continue at b Set exposure current If for example you redu
9. depending on the system and tube assembly always included without control module only with AEC only with fluoroscopy from version Option 2 2 5 1 2 4 26 26 3 27 6 Function and description 11 3 1 The function 12 3 1 6 3 1 7 Function and description What you have to know before switching on Please observe the instructions on safety and maintenance e Ifa button is lit the function or the auxiliary is activated is not lit the function or the auxiliary is deactivated Ifyou reach a limit the display goes out briefly and reappears f you change a value and this causes a change the mAs value for example the new value will be indicated f you wish to change a non variable value the value is retained whilst the display goes out briefly and reappears After the end of an exposure there is an audible signal and the actual expo sure data appear for 25 s as a post exposure display or until the next opera tor action only with AEC With you can call up the post exposure display again provided you have not released any new exposure You can make up to three exposures a minute in any sequence When doing so it is absolutely essential that you observe the tube assembly sta tus display and the information contained in the Instructions for Use delivered with the tube assembly f you attempt to make a fifth exposure within one minute
10. Paranasal sinuses semiaxial Nasal bone Cervical spine ap Cervical spine lateral oblique Dorsal spine ap Dorsal spine lateral Lumbar spine ap Lumbar spine lateral obl Sacrum lateral Hip ap Hip axial Lauenstein Ala obturatum exposure Sacro iliac joint Pelvis ap Thorax pa Thorax lateral Thorax recumbent bed Ribs 1 7 Ribs 8 12 56 Appendix Exposure table Cassette size cm kV 18 x 24 20 73 24 x 30 20 77 24 x 30 16 73 24 30 18 24 quer 26 81 13 x 18 24 77 13 x 18 19 73 13 x 18 22 77 24 x 30 28 85 18 x 24 13 x 18 22 77 13 x 18 3 44 18 x 24 10 66 18 x 24 12 73 20 x 40 18 x 43 20 7 20 x 40 18 x 43 32 81 85 20 x 40 18 x 43 22 7 20 x 40 18 x 43 36 90 96 18 x 24 13 x 18 28 90 24 x 30 20 77 24 x 30 22 77 24 x 30 24 77 18 x 24 22 81 35 x 43 30 x 40 20 77 85 35 x 35 40 x 40 18 125 35 x 35 40 x 40 26 125 35 x 35 40 x 40 21 10 30 x 40 24 x 30 16 66 30 x 40 24 x 30 20 7 mAs 16 25 25 16 16 32 40 2 5 25 25 25 40 25 32 40 20 25 25 20 12 5 3 2 20 16 AMPL OP EO ouo esp KON EO al SID cm 110 110 110 110 110 110 110 110 110 110 110 150 110 110 110 110 110 110 110 110 110 110 180 180 110 110 110 Focus SC DIN 200 400 400 400 400 400 400 400 400 200 400 400 400 400 400 400 400 400
11. 400 400 400 400 400 200 400 400 400 Grid Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems Exposure table 7 5 Part of body Cassette size cm kV mAs AMPL SID Focus SC Grid Abdomen Oesophagus 24 x 30 90 m 400 Stomach 35 x 35 102 O u 400 Stomach detail 24 x 30 18 x 24 117 O 400 Small intestine Sellink 35 x 35 24 x 30 109 O a 400 Colon 35 x 35 117 OR 150 400 Colon 109 O i 400 Colon detail 24 x 30 18 x 24 125 400 Abdomen 35 x 43 30 x 40 85 OR 400 Abdomen side pos 35 x 43 30 x 40 90 102 nm 400 Kidneys empty 35 x 43 30 x 40 77 400 Kidneys contrast medium 35 x 43 30 x 40 85 O m 400 Kidneys detail 24 x 30 81 O 400 Ureter 20 x 40 24 x 30 77 E 400 Urethra 18x 24 73 O I 400 Bladder ap 18 x 24 77 B 400 Bladder lateral 18 x 24 90 400 Gallbladder empty 24 x 30 18 x 24 70 m 400 Gallbladder contrast medium 24 x 30 18 x 24 77 85 O 400 Gallbladder detail 18 x 24 73 O 400 Phlebographies Pelvis 35 x 35 divid in 3 77 O i 400 Femur 35 x 35 divid in 3 73 Q B 400 Lower leg 35 x 35 divid in 3 66 400 Optimus 50 65 80 Version 3 6 Appendix 57 7 5 Exposure table Part of body Upper extremities Finger Thumb Hand ap Hand zither player Wrist ap Wrist lateral Navicular series ap obl lat Forearm wrist ap Forear
12. 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems The control desk 3 2 Optimus 50 65 80 Version 3 6 2 6 The upper display Display and selection of the generator data Green Ready lamp ready to make an exposure Radiation is switched on Display of tube assembly state depending on system and X ray tube assembly please also observe the instructions in the instructions for use for the X ray tube assembly Colour s Description green Full power available yellow gren The tube assembly is warm full power available yellow Up to 80 of the full power is available yellow red Up to 64 of the full power is available red The thermo syfety switch in the tube assembly is activated radiographyy not possible fluoroscopy current is limited to 3 mA Incorrect exposure indicator if it flashes you have let go of the exposure switch prematurely press or the limit of exposure time or mAs has been reached press or the exposure has been aborted owing to incorrect exposure incorrect exposure early warning system press reso Display in the exposure data panel with AEC kV kV mA and TDC techniques Display on the first level example 70 kV 0 4 G200ST Display and selection of exposure voltage density correction at SFC only at radiography with image intensifier only display screen film combination
13. Medical Systems Tomography 4 7 Optimus 50 65 80 Version 3 6 10 f there are more programmes than can be shown on the display you can scroll through the pages with After the last page the first page dis played reappears Select APR program The name of the programme is highlighted Prepare auxiliary for tomography see Operators Manual for the auxiliary On the auxiliary select a tomo trajectory which matches the APR program selected see Operator s Manual for the auxiliary Set exposure time Exposure time and tomographic time must agree If necessary match exposure time to tomographic time Select mAs or mA depending on the programming e After selecting a tomo trajectory the respective exposure time will be auto matically set on the generator if the generator is equipped with Automatic Tomographic Time Input optional and asuitable tomography unit is connected up 6 lights up Position patient Collimate Release preparation step 1 O goes out briefly Release exposure step 2 Hold down button until you hear the audible signal If you release before the signal sounds you abort the exposure Do not press the button more than three times a minute this increases the life of the X ray tube You can also press the button straight through to step 2 After the prepara tion time the exposure is released is lit preparation exposure or fluoroscopy can also be indicated visually o
14. SFC not for radiography with image intensifier Post exposure display Display on the second level example 70 kV 25 MAS 50 ms The values of post exposure display are marked by a triangle Function and description 17 3 2 The control desk 18 Function and description Display in the exposure data panel for the kV mAs or kV mAs s technique Display on the first level example 70 kV 25 mAs 50 ms Display and selection of e exposure voltage e mAs product exposure time selection only possible for kV mAs s technique Display in the exposure data panel for kV mA s technique Display on the first level example 70 kV 500 mA 50 ms Display and selection of e exposure voltage e exposure current e exposure time Change exposure data in steps press or briefly e continuously press or longer As an alternative to exposure data error messages or instructions appear for the operator For more information refer to the Appendix For information about the displays on levels 2 3 and 4 refer to the Appendix see chapter 7 2 Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems The control desk 3 2 Optimus 50 65 80 Version 3 6 The lower display Oesophagus 110 kV 3 5 mA 2 45 line 2 column 1 line 2 column 2 line 3 column 1 line 3 column 2 line 4
15. Screen film combinations 7 3 Optimus 50 65 80 Version 3 6 7 3 7 4 Screen film combinations Philips suggests the following designations G200ST U400SP 100 G2004 Meaning of the abbreviations G Green U Ultraviolet B Blue S T Standard SP Special HR High resolution Graduated intensifying screen 100 400 Absolute screen speed If required the Customer Service can programme different names 6 charac ters max Key symbols and their meanings The symbols on the buttons can be exchanged by Customer Service if required Symbol Meaning Horizontal radiographic device Tiltable examination device with overtable cassette Angiography and Puck Tiltable examination device with undertable tube assembly and cassette Tomography device Fluoroscopy table with undertable tube assembly and image intensifier Tiltable examination device with undertable tube assembly and image intensifier Spot film device Spot film device tomography 3 E 1 A 8 16 1 DSI DSI tomography Show vessels 05 Fluoroscopy Bolus chase in lower extremities Skull unit Kymography Free cassette room 2 5 1 Wall column room 2 Appendix 55 7 5 Exposure table 7 5 Part of body Skull and trunk Zygo arch Henkeltopf Skulll ap pa Skull lateral Clementschisch Towne Schiller Stenvers Rheese Orbita Pyramis comparison Skull axial
16. Selecting a program from a list of APR programs Customer Service can enter APR programs according to your requirements The local guidelines must be observed If there are any departures reasons must be given in writing Other APR programs can be filed under the but tons of an assigned module Example Skull ap pa Skull lat Abdomen Abdomen lat Skull halfaxial Cervical Spine Hip ap Hip med lat Thorac Spine ap Thorac Spine lat Shoulder ap Sternum lat Lumbar Spine ap Lumbar Spine lat Kidney Gallbladder 34 Operation Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems Operation with AEC and APR 4 6 Optimus 50 65 80 Version 3 6 KI 4 6 5 Select an auxiliary The LED lights up The page with the last program called up and the name of the program is highlighted f there are more programs than can be shown on the display you can scroll through the pages with After the last page the first page dis played reappears Select an APR program The name of the program is highlighted and the corresponding exposure data appear Position patient Collimate Release preparation step 1 O goes out briefly Release exposure step 2 Hold down button until you hear the audible signal If you release before the signal sounds you abort the exposure Do not press the button more than three times a minute this increases the life of the X ray tube
17. column 1 line 4 column 2 Display and selection of the APR programs the current selection is highlighted If there is an APR menu Menu appears on line 4 column 2 You can call it up with the button With you can scroll through the pages if the LED is lit and at least two pages have been programmed After the last page page 1 appears again If after scrolling you press the exposure switch on Preparation the follo wing appear the APR program last selected e the appropriate exposure data pprop If you have modified the data of a program an asterisk appears after the name of the program The modified data remain intact even if you change the auxiliary for example until you select the same program again or a diffe rent one Function and description 19 3 2 The control desk Oesophagus 110 kV 3 5 mA 2 45 a Ventriculus Rectum 1 1 i Duodenum Thorax MS O Colon O B Optional keypad module example APR assignment maximum configuration depending on the system 1 f Zz s Skull Skull m lat Nasal Secese Lungs Skull Skull sinuses lat Sch ller Stenvers Dorsal Dorsal Pelvis Shoulder spine spine survey lat Lumbar Lumbar Rips Abdomen spine spine la
18. diee t apta tui tete ess 5 e aU DUE 6 RINT S UU T 6 Other Instructions for eR Ei tet E umet 6 Safety 2 1 2 2 252 2 4 2 9 T 7 Electrical SANG 7 Electromagnetic compatibility EMC esee 7 2 0 0 00185610 9 liec 8 Function and description TN BI 9 Re ere TT cr Terr nner 14 Operation 4 1 Operation of all configurations 226026 41 22 4 2 Operation of the basic 23 4 3 Operation with AEC without 25 4 4 Operation with APR without AEC 27 27 4 6 Operation with AEC and 22 MEN Euch mm EM 36 Ag vENMIOLOSCOPY ueneno Dui D aad 40 C MEE T UCET 43 Maintenance Sal 25 5 3 5 4 5 5 5 6 5 7 GSES Dy E 44 Checking performance of dose rate control AEC funcuonaccording IEC 600601 2 7 45 Safety checks according to the Medical Device Directive 45 IVA Teen aia Src aut had 46 016 46 T EEE
19. swivel the label bracket 90 to the right the following labels will appear at its bottom side e X RAY CONTROL control unit with indication of power class serial number type number and the name and the address of the manufacturer X RAY GENERATOR high voltage generator with indication of power class type number serial number and the name and address of the manufacturer Technical data label Date of manufacture Certification label Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems Error messages 7 1 Optimus 50 65 80 Version 3 6 7 Appendix 7 1 Text Door open XXXX Press RESET 03HJ Press RESET Press power on 15LH Error messages Meaning The door to the examination room is not closed This message appears if for example there are mains voltage fluctuations The error code XXXX is intended for Customer Service The focal spot selected has failed You can proceed using a different focal spot Initialisation phase has been disrupted During startup the footswitch has been pressed Action Close door Clear message press The generator is ready for operation Press Reset Press again Do not press the footswitch during startup Appendix 53 7 2 The hierarchy of levels on the display 7 2 The hierarchy of levels on the display There is more information than the displ
20. 0 mAs 850 mAs 1 ms 6 s 16 s adjustable in steps of 25 12 6 0 5 mAs 600 mAs 1ms 4s Adjustable in steps of 25 12 or 6 0 5 mAs 850 mAs in steps of 2576 1275 or 676 1ms 6 s 16 s in steps of 25 12 or 6 0 5 mAs 600 mAs in steps of 2576 12 or 6 1ms 6s 40 kV 125 kV via kV mA characteristics 0 1 mA 6 mA via kV mA characteristics 40 kV 141 kV 0 2 mA 20 mA 65 5 D Default values 25 mAs corresponds to 1 exposure density step 12 density correction corresponds to 0 5 exposure density steps 2 The maximum mAs value can be set lower by the Customer Service Technical data 49 6 3 Ambient conditions for operation 50 Technical data 6 3 6 4 6 4 1 Ambient conditions for operation Temperature Rel humidity Atmospheric pressure 10 40 15 90 condensation 70 kPa 110 kPa Accuracy of the operating data tolerances Compliance with the requirements of IEC 60601 2 7 applying the IEC test conditions Current time reference product Reference value for the compliance range of linearity of the emitted radia tion This table applies to tubes with X ray generator nominal power and an expo sure time of 100 ms at 100 kV For tubes with a lower focal spot power the current time reference product has to be converted accordingly 70 kV 320 mA 70 kV 400 mA 70 kV 500 mA 100 kV 250 mA 100 kV
21. 320 mA 100 kV 400 mA 150 kV 160 mA 150 kV 200 mA 150 kV 250 mA 50 kW 32 mAs 25 mAs 16 mAs Current time reference product 65 kW 40 mAs 32 mAs 20 mAs 80 kW 50 mAs 40 mAs 25 mAs Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems Accuracy of the operating data tolerances 6 4 Optimus 50 65 80 Version 3 6 Requirement Radiography Reproducibility of emitted radiation Linearity of limited radiation a in relation to current time product b assuming consecutive settings or settings with a factor of lt 2 Consistency of emitted radiation during automatic exposure control Accuracy of the X ray tube load factors Tube voltage Tube current Tube load time Current time product Current time reference product Radiography Typical range of application Tube voltage Tube current time product Tube current mAs post exposure display in kV technique Post exposure time display Exposure time Optimus 50 for 1410 mA Optimus 65 80 for 1410 mA for 142 mA Fluoroscopy Typical range of application Tube voltage Tube current Compliance complies n the range of gt 2 mAs over the entire range of settings complies complies Tolerances of the indicated X ray tube load factors 5 additional 1 kV X 376 additional 0 5 mAs X 576 additional 0 5 mA X 376 additional 0 5 mAs 326 add
22. EE A T 46 EP 47 Technical data 6 1 6 2 6 3 6 4 6 5 6 6 6 7 48 A EE A A E 49 Ambient conditions for 2 2 0 0 50 Accuracy of the operating data tolerances 2 50 22 Methods of measurement 1 52 8 12150011 111 ben peu scc Rd RM LE MU UE 52 Appendix Fal 2 249 7 4 7 5 7 6 53 The hierarchy of levels on the display ie tre atten 54 filmi COMA IIA TIONS 55 Key symbols and ther Meanings 05646650 50010 55 Pepou E EE 56 Abbreviations and their 60 Index Philips Medical Systems 21 Nov 2005 Optimus 50 65 80 Version 3 6 1 1 1 2 1 3 Worth to know The Optimus generators The generators Optimus 50 65 80 are converter generators and controlled by microprocessors The basic version contains an control desk and a stan dard housing with automatic control and high voltage generator The control desk is available without automatic programmed radiography APR and automatic exposure control AEC as well as with APR and or AEC Normal use With the Optimus generators you can perform fluoroscopy and make diag nostic X ray exposures within the scope of the
23. al After exposure e There is an audible signal goes out e The exposure data remain intact Operation 29 4 5 The APR records 30 Operation gt A m i 25 mAs Overriding exposure data of an APR program You can change Focal spot Select focal spot only with Variofocus option The LED is lit Measuring field Select measuring field e The LED is lit Ifyou switch OFF all the measuring fields the automatic exposure control shuts down 1 6 goes out Switch AEC back on again and select measuring field Exposure voltage With B change the exposure voltage Density correction Only possible with AEC With B change the density correction mAs value With change the mAs value Exposure current With o change the exposure current Film screen combination Only possible with AEC With change the film screen combination max 5 FSC per auxili ary see chapter 7 3 Exposure time With B change the exposure time Not possible with e tomography auxiliaries with automatic tomographic time input e kV mAs technique If you have changed the data of a programme an asterisk appears after the name of the program see chapter 3 1 7 Example The overridden data remain intact even if you change e g the auxiliary until you select the sam
24. assification according to Medical Device Directive 93 42 EEC IIb 48 Technical data 6 Technical data 6 1 Electrical data Tube power Technique Focal spot High voltage mAs product Exposure time Max voltage Nom electric power 100 kV 0 1 s Max electric power Max voltage Optimus 50 1 x0 3 Q 145A 50 kW kV mAs large 77 kV 65 mAs 0 1 s 50 kW 150 kV 50 kW 50 kW 650 mA 70 0 1 5 625 mA 80 kV 0 1 s 500 mA 100 kV 0 1 s 400 mA 125 kV 0 1 s 333 mA 150 kV 0 1 s 500 W 6 f min bei 50 kW 0 1 s Optimus 65 1 Group 1 class A 400 V 10 50 Hz and 60 Hz 3 phase lt 0 2 2 190 A 65 kW kV mAs large 81 kV 80 mAs 0 1 s 65 kW Converter DC voltage 150 kV 65 kW 65 kW 900 mA 70 kV 0 1 s 812 mA 80 0 1 5 60 mA 100 0 1 5 520 mA 125 0 1 s 433 mA 150 kV 0 1 s 110 6 mA 125 kV programmable by Customer Service 500 W 6 f min bei 65 kW 0 1 s Optimus 80 1 x0 2 92 230 A 80 kW kV mAs large 80 kV 100 mAs 0 1 s 80 kW 150 kV 80 kW 80 kW 1100 mA 70 kV 0 1 s 1000 mA 80 kV 0 1 s 800 mA 100 kV O 1 s 640 mA 125 kV 0 1 s 533 mA 150 kV 0 1 s 500 W 6 f min bei 80 kW 0 1 s Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems Setting ranges 6 2 Radiography without automatic exposure control AEC Radiography with AEC Tomography Tomography with aut
25. ay can give at a single level The information which is not visible is filed in three further levels and can be dis played with Each time you press the button you call up the next level After level 4 level 1 reappears If after an error message you have switched the generator off and back on again you can call up this error message on level 4 The following table tells you where you can find the several information Exposure techniques Field Display on level 1 Display on level 2 Display on level 3 Display on level 4 with Automatic 1 kV kV 1 Message 2 Density correction mAs or mA Message post exp display 3 Screen film combination post exp display Message kV mAs 1 kV kV 1 Message 2 mAs mA calculated Message 3 2 Message kV mAs s 1 kV kV 1 Message 2 mAs mA calculated Message 3 2 Message kV mA s 1 kV kV 1 Message 2 mA mAs calculated Message 3 2 Message TDC 1 kV kV 1 Message 2 Density correction mAs or mA Message post exp display 3 Screen film combination 5 programmed Message Field 1 Field 2 Field 3 1 Total area of dose products optional in cGycm per examination room and patient 2 The recommended screen film combination is displayed You cannot change the value Apart from the precalculated value you can set all the values on the control desk 54 Appendix Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems
26. b down chrome parts with a dry woollen cloth only Disinfection he method of disinfection used must conform to the leeal regulations and 8 8 guidelines regarding disinfection and explosion protection Never use any corrosive solvent or abrasive detergents or polishes A If you use disinfectants which form explosive mixtures of gases these must first have evaporated before you switch the X ray equipment on again Before disinfecting the X ray equipment switch off at the mains You may disinfect all parts of the X ray equipment including the accesso ries and connecting cables by wiping only e Disinfection by spraying is not to be recommended because the disinfect ant may enter the X ray equipment e f you perform a room disinfection with an atomizer you must switch off the X ray equipment first When the X ray equipment has cooled down cover it over carefully with a plastic sheet When the mist of disinfectant has subsided you can remove the plastic sheets and disinfect the X ray equipment by wiping Maintenance 47 6 1 Electrical data Safety class EMC emission IEC 60601 1 2 CISPR 11 Power supply Main resistance Main resistance Max current input is reached under the following conditions Electrical output IEC 60601 2 7 High voltage generation Ripple Radiography Fluoroscopy Continuous output for a practical set up consisting of fluoroscopy and radiography Cl
27. ce exposure current the exposure time is correspon dingly longer in the kV mA technique Switch on AEC As a result the exposure current last set is defined for the next exposure automatic exposure control regulates exposure time accordingly If required you can save these data see chapter 4 5 5 A If you wish to save the overwritten data you must select the exposure time before saving so that the mAs product assumes an anatomical value Set exposure time b Setting via the kV mAs s technique Switch off AEC The generator switches to the kV mAs s technique Set anatomical mAs Exposure current is set automatically via mAs Set anatomical exposure time Switch on AEC As a result exposure current is indirectly defined for the next exposure auto matic exposure control regulates exposure time accordingly If required you can save these data see chapter 4 5 5 1 If you wish to change the exposure current directly Switch on mA s The generator switches to the kV mA s technique Proceed as described in a step 2 Tomography Making tomographic exposures without automatic exposure control TDC Select tomography If units are equipped with a remote selection feature the generator switches over automatically to tomography if you select this mode at the unit The LED lights up e kV mA s or kV mAs s technique is activated Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips
28. d After exposure preparation is switched off 14 Function and description Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems The control desk 3 2 Optimus 50 65 80 Version 3 6 No 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Description Switch off generator Switch on generator Select exposure technique Ready for exposure radiation is switched on Display of the tube state Incorrect exposure indicator Reset functions Switch on off automatic exposure control Selection and display of exposure voltage Selection and display of exposure current Selection and display of exposure time Call up different levels Spot film device DSI Angiography with Puck Free cassette Small focal sopt Variofocus optional Large focal sopt Spot film device tomography DSI tomography Wall stand Tomography attachment Select measuring chambers of automatic exposure control Display Slim patient Stout patient Scroll through the display pages Function and description 15 3 2 The control desk 3 2 2 Keys and displays detailed Oesophagus 110 kV 3 5 mA 2 45 3l Ventriculus Rectum ui Duodenum Thorax Colon B 16 Function and description Optimus
29. d up under this auxiliary or of the group last selected is highlighted Select APRF program The name of the programme is highlighted e kV mA and max exposure time are preset by the program If lights up green or green and yellow set fluoroscopy time to 0 with or If lights up yellow yellow and red or red no exposures are possible Allow the tube assembly to cool down Release exposure at the system release switch for special exposure technique During exposure e lights up 8 the following appear in line 1 column 2 exposure voltage exposure current and exposure time any accumulated fluoroscopy time Example 1 7 110 kV 3 5 2 45 Ventriculus Rectum Duodenum Thorax Colon there is an audible signal after 5 min if you fail to switch it off within another 5 min with resol or exposure is shut down or interrupted Then no further action is possible until you press or C Please bear in mind that has more than one function see chapter 3 2 2 If you cannot release an exposure you have selected the wrong auxiliary the door to the examination room is not closed you have not switched off the audible signal or Optimus 50 65 80 Version 3 6 Philips Medical Systems Philips Medical Systems 21 Nov 2005 Dose display 4 9 4 9 Optimus 50 65 80 Version 3 6 2 H lights up yellow yellow red or red Allow th
30. e Area dose product optional depends on system Variofocus optional With the Variofocus function you can select a focal spot the properties of which are between the large and small focal spots The ratio of the two focal spots is stated as a percentage of the small focal spot 20 SF means 20 weighted power of the small focal spot and 80 weighted power of the large focal spot The Variofocus is set for each APR program during installation Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems The function 3 1 Optimus 50 65 80 Version 3 6 3 1 5 What s new This Operators Manual describes the generator with all possible functions at the time of going to press Relevant for the functions available in the genera tor is the acquired or upgraded configuration This Operators Manual also describes all the earlier generator versions The following table informs you about all possible functions Function AEC Automatic Exposure Control Automatic tomo time input APR Anatomically Programmed Radiography APR extension Display of area dose product Variofocus Display of the thermal state of tube assembly TDC Tomography Density Control kV technique with fixed current PDO Patient Data Organizer Fluoroscopy Special exposure for therapy simulation Photomultiplier adapter compatibility depends on the system only with APR see Operators Manual for PDO
31. e adapted for each individual auxiliary e kV and mAs in dose equivalent increments density in increments of 6 96 12 96 25 96 Position patient Collimate Release preparation step 1 6 goes out briefly Release exposure step 2 Hold down button until you hear the audible signal If you release before the signal sounds you abort the exposure Do not press the button more than three times a minute this increases the life of the X ray tube You can also press the button straight through to step 2 After the prepara tion time the exposure is released is lit preparation exposure or fluoroscopy can also be indicated visually optional After exposure There is an audible signal goes out If there has been an incorrect exposure see next chapter Selecting initial current for TDC If there has been an incorrect exposure you must correct the initial current This can also be performed for existing programmes if the application requires You can set the initial current for TDC in the kV mA s technique direct or indirectly in the kV mAs s technique Please adhere to the sequence of steps a Setting via the kV mA s technique Switch off AEC The generator switches to the kV mA s technique if the generator is pro grammed to the kV mAs s technique continue at b Set initial current Switch on AEC As a result the initial current last set is defined for the next exposure Operation 39 4 8 F
32. e lat Post exposure display appears for 25 s If you wish to call up the name of the group again Press Selecting a program from a list of APR programs Customer Service can enter APR programs according to your requirements The local guidelines must be observed If there are any departures reasons must be given in writing Other APR programs can be filed under the but tons of an assigned module Example Skull lat Abdomen lat Abdomen ap Hip ap Hip med lat Shoulder ap Sternum lat Kidney Gallbladder Select an auxiliary The LED lights up e The page with the last program called up and the name of the program is highlighted f there are more programs than can be shown the display you can scroll through the pages with After the last page the first page dis played reappears Select an APR program The name of the program 1s highlighted and the corresponding exposure data appear Position patient Collimate Release preparation step 1 O goes out briefly Release exposure step 2 Hold down button until you hear the audible signal If you release before the signal sounds you abort the exposure Do not press the button more than three times a minute this increases the life of the X ray tube You can also press the button straight through to step 2 After the prepara tion time the exposure is released is lit preparation exposure or fluoroscopy can also be indicated visually option
33. e program again or a different one Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems The APR records 4 5 Optimus 50 65 80 Version 3 6 4 5 5 Saving overridden data Press and the button of the required APR program in this sequence and hold them down for longer than 2 s If required Customer Service can prevent the possibility of saving data which have been changed Operation 31 4 6 Operation with AEC and APR kV mAs or kV mAs s 22 T AEC 32 Operation Operation with AEC and APR Exposure techniques The following exposure techniques are available e kV technique e kV mA technique kV mAs technique e kV mAs s technique e kV mA s technique The table below shows you how to switch between the individual techniques kV or kV mA kV mAs or kV mAs s ITI kV mA s During installation the kV mAs and kV mAs s techniques can be program med as alternatives Optimus 50 65 80 Version 3 6 Philips Medical Systems Philips Medical Systems 21 Nov 2005 Operation with AEC and APR 4 6 4 6 2 4 6 3 SKULL CHEST U EXTREMITIES L EXTREMITIES Menu e an 0 Optimus 50 65 80 Version 3 6 ABDOMEN PELVIS HIP Lists and groups During installation the generator is equipped with APR records from a library You can select a program from a list of APR programs Or you can sel
34. e tube assembly to cool down After exposure e there is an audible signal goes out Dose display optional depends on system This appears only if an auxiliary with size sensing has been selected The computer totalises and stores the area dose products of all the exposures If you switch examination rooms with the auxiliary this total remains intact and is again available when you select the examination room again The values are lost if you press or Select auxiliary The LED lights up Call up level 3 The total of area dose products cGycm of all exposures for the current patient in the room selected appears Delete dose display per tube The dose display is also deleted if the PDO optional see separate Operators Manual reports End of Exa mination the DigitalDiagnost system reports End of Examination Operation 43 5 1 Tests by the user 44 Maintenance 5 1 Maintenance As with any technical appliance this X ray equipment also requires proper operation regular testing by the user e regular service and repair By taking these precautions you maintain the operability and operational reliability of the system As the user of an X ray unit you are obliged accord ing to accident prevention regulations the medical products law and other regulations to take such precautions Maintenance consists of tests which the user can perform and maintenance which
35. ect a program from a group of APR programs Groups are APR programs collected according to regions of the body which then appear on the display under the generic term the name of the group In addition you can change the exposure data of the program selected Selecting a programme from a group of programs if saved Example SPINE Skull ap pa Skull lat Skull halfaxial Skull axial Sella lat Sinuses Temporal bones Menu The left hand illustration shows the regions of the body If as highlighted you select Skull the display of APR programmes appears as shown in the right hand illustration Select an auxiliary The LED lights up The last APR setting selected appears press key The groups assigned to that auxiliary appear Select group The names of the APR programs assigned appear f there are more programs than can be displayed lights up e With you can switch between pages Select APR program The name of the program is highlighted and the appropriate exposure data appear If you do not select any APR program after selecting a group the name of the last program selected 1s highlighted after pressing the exposure switch the appropriate exposure data remain valid If necessary adapt exposure data to the thickness of the patient s body Depending on programming by Customer Service the following are adapted for each individual auxiliary e kV and mAs in dose equivalent increments density in i
36. egular intervals Philips agrees on these intervals with you taking the legal requirements into account A Faulty components which affect the safety of the X ray equipment must be replaced by genuine spare parts Recording results Service and repairs must be entered in the medical products logbook includ ing the following data type and scope of work if necessary details of any changes to ratings or the working zone date person performing the work signature Cleaning Please bear the following in mind when choosing a detergent To clean plastic surfaces you must never use anything other than soap and water If other detergents are used e g with a high alcohol content the material will become matt or tend to crack Never use any corrosive solvent or abrasive detergents or polishes When cleaning please observe the following Before cleaning the X ray equipment switch off at the mains The capacitor may still be live 4 hours after switching off Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems Disinfection 5 7 Optimus 50 65 80 Version 3 6 5 7 Ensure that no water or other liquids can enter the X ray equipment This precaution prevents electrical short circuits and corrosion forming on components You should wipe enameled parts and aluminium surfaces only with a damp cloth and mild detergent and then rub with a dry woollen cloth Ru
37. eviations and their meanings Abbreviation Meaning AEC Automatic Exposure Control APR Anatomically Programmed Radiography APRF Anatomisch programmierte Radiographie and Fluoroscopy DSI Digital Spot Imaging f min Frames per minute Image intensifier PDO Patient Data Organizer SFC Screen film combination SID Source Image distance TDC Tomography Density Control 60 Appendix Optimus 50 65 80 Version 3 6 Philips Medical Systems Philips Medical Systems Index A AEC 10 25 32 Post exposure display 17 APR 27 32 APR programs 19 APR records 27 SCOPOMAT 41 Self test 22 Control desk 14 T D TDC 38 Therapy simulation 42 Display brightness 22 Tube assembly state 17 Dose display 43 V E Variofocus 10 Exposure current 35 Exposure switch 14 Exposure techniques 9 23 25 27 32 49 G Groups 27 33 Incorrect exposure indicator 17 Initial current 39 K Keypad module 20 L Lists 27 33 O Overriding 30 Index 61 541144 Index 62 541144 63 Index PHILIPS
38. figuration 24 Operation e 6 Collimate 7 Release preparation step 1 6 goes out briefly 8 Release exposure step 2 Hold down button until you hear the audible signal If you release before the signal sounds you abort the exposure Do not press the button more than three times a minute this increases the life of the X ray tube You can also press the button straight through to step 2 After the prepara tion time the exposure is released is lit preparation exposure or fluoroscopy can also be indicated visually optional After exposure e There is an audible signal goes out e The exposure data remain intact Optimus 50 65 80 Version 3 6 Philips Medical Systems Philips Medical Systems 21 Nov 2005 Operation with AEC without APR 4 3 Optimus 50 65 80 Version 3 6 4 3 4 3 1 Operation with AEC without APR Exposure techniques The following exposure techniques are available e kV technique kV mAs technique kV mA s technique The table below shows you how to switch between the individual techniques Initial state Switch over to kV mAs kV mA s Display exposure parameters press key again Operation 25 4 3 Operation with AEC without APR 26 Gd HEFE m E el Operation Making X ray exposures Select auxiliary The LED is lit Select focal spot only with Variofocus option The LED is lit Select measuring field
39. g for reference you will find an exposure table in the Appendix Then stages 1 and 2 are reactivated Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems The function 3 1 Optimus 50 65 80 Version 3 6 Function and description 13 3 2 The control desk 3 2 The control desk 3 2 1 Keys and displays short and briefly gt 9 is Oesophagus 110 kV 3 5 mA 2 45 Ventriculus Rectum nr Duodenum E Colon N 2 The displays illustrated are examples The exposure switch is a two step switch Step 1 Preparation The green Ready indicator goes out When it lights up again Step 2 Release exposure You can press the button straight through to the second position After the preparation time the exposure is released Keep the button pressed until the end of exposure or else the exposure will be aborted Never press the but ton more than three times in one minute In this way you will extend the life of the X ray tube Specially for paediatric exposures and casualty departments for example Customer Service can program the preparation time to 30 s for each tube selected Preparation remains on even after letting go of the exposure button from the Preparation stage provided no exposure has been release
40. ghted Select APRF program at the generator or at the auxiliary The exposure data appear at the generator control desk The name of the program is highlighted If necessary select other parameters e g frame rate for more details refer to the Operator s Manual for the auxiliary Release preparation step 1 goes out briefly Release exposure step 2 If you wish to make a series of exposures you must keep the release switch pressed until the end of the series lights up for each exposure preparation exposure or fluoroscopy can also be indicated visually optional Operation 41 4 8 Fluoroscopy 42 Operation 4 8 3 After exposure e There is an audible signal goes out n the case of exposures without automatic exposure control the exposure data remain intact e n the case of exposures with automatic exposure control the post expos ure display remains for 25 s If you wish to call up the post exposure display again press Special exposures for therapy simulation These are only possible if the auxiliary is appropriately equipped Select auxiliary for therapy simulation Normal fluoroscopy takes place on a different auxiliary The LED lights up The names of the programs or groups assigned to this unit appear e ine 1 column 2 is reserved for exposure data and is not available for APRF programmes of groups The name of the programme last calle
41. ied by the manufacturer recording results and filing the test reports in the X ray system manual medical products logbook Maintenance 45 5 4 Maintenance 46 Maintenance 5 4 5 5 5 6 Maintenance X ray units contain mechanical components such as drive chains ropes steel strips and gears which are subjected to wear and tear due to operation They include means of suspension for heavy components e g image intensifier X ray tube assembly etc After a lengthy period of operation the safety of the suspension may be impaired by wear and tear e g rope break The correct setting of the electromechanical and electronic assemblies affects the functioning image quality electrical safety and exposure of the patient and medical personnel to radiation Philips recommends you to perform the tests indicated in the table on a regular basis have the X ray unit serviced by the Philips Service Organisation at least once a year You must have heavily used X ray equipment subjected to maintenance more frequently In this way you avoid endangering the patient and you meet your obligati ons By entering into a service agreement with Philips you retain the value and safety of your X ray equipment All the necessary maintenance including the safety tests for the purpose of preventive avoidance of danger and the neces sary settings for optimum image quality and minimum exposure to radia tion are performed at r
42. inated On systems with size sensing you can only select the outer measuring fields if the cassette is inserted Adapt exposure data to the thickness of the patient s body Slim patient Stout patient Select auxiliaries examples Spot film device Spot film device tomography DSI DSI tomography Angiography with Puck Wall stand Free cassette Tomography attachment Bucky Function and description 21 4 1 Operation of all configurations 22 4 1 4 1 1 4 1 2 mAs mA und oder 35 kV und Operation Operation Operation of all configurations Switching the generator on off Switch generaor on The generator performs a self test All the lamps and display segments light up briefly There is an audible signal During this test you should check the following Do all the lamps and display segments light up s there an audible signal If a fault occurs please call the Customer Service If an error message appears you will find help in the Appendix see chapter 7 1 After the self test the generator assumes the state as it was before the equip ment was last switched off Before you switch off the generator Wait for 1 min after an exposure or after pressing the preparation button so that the rotating anode can decelerate In an emergency switch off immediately Switch generaor off The generator and all connected auxiliaries will be switched off
43. ir technical data and descripti ons For safe operation e You must never use the X ray equipment if it has any electrical mechani cal or radiation defects This particularly applies to malfunctioning indica tion warning and alarm devices If the user wishes to connect the X ray equipment to other equipment components or assemblies and if it is not apparent from the technical data whether it can be safely combined with such equipment components or assemblies the user must ensure that the safety of the patient operating staff and the environment is not affected by the planned combination by consulting the manufacturers involved or by making enquiries from an expert Philips is responsible for the safety features of its products only if mainte nance repairs and modifications have been performed by Philips or by persons explicitly authorised to do so by Philips As with any technical appliance this equipment requires not only correct operation but also regular competent maintenance and care which are described in the section Maintenance f you operate the X ray equipment incorrectly or if the user fails to have maintenance carried out properly Philips cannot be held liable for any malfunctions damage or injuries e Safety circuits must be neither removed nor modified You may remove or open parts of the housing only if you are instructed to do so in this manual Worth to know 5 1 4 Conformity 1 4
44. is performed under service agreements Philips service orders or by persons explicitly authorised to do so by Philips Tests by the user The user must check the X ray equipment for apparent defects see table If operational defects or other departures from normal operational behaviour occur he must switch off the X ray unit and inform the Service Organisa tion He may only resume operation of the X ray equipment when it has been repaired Operation using faulty components may lead to an increased safety risk or unnecessarily high exposure to radiation Interval Scope Method Daily Stability test Daily Faulty display lamps damaged components labels and Inspection warning signs Weekly All cables and terminals damage breakage Inspection Weekly Oil leaks and unusual noises Inspection Weekly Check for AEC function See chapter 5 2 6 months Check operation of dose rate control See chapter 5 2 Optimus 50 65 80 Version 3 6 Philips Medical Systems Philips Medical Systems 21 Nov 2005 Checking performance of dose rate control AEC function according IEC 60601 2 7 5 2 Optimus 50 65 80 Version 3 6 5 2 5 2 1 5 2 2 5 3 Checking performance of dose rate control AEC function according IEC 60601 2 7 Dose rate control You must check performance of the dose rate control at least once a month To do so proceed as follows Select programme no lock in Open the diaphragm maximum I I format
45. it will not be released The generator prevents any further exposure for one minute Exceptions There is no limitation to four exposures per minute if you release fluoroscopy within one minute and before the fourth exposure at the latest or in the serial mode For pediatric exposures please read the note in chapt 3 2 1 Monitoring system for conditions for shutting down radiography The generator has a monitoring system which in the event of an error pro tects against uncontrolled radiation within the scope of foreseeable possibili ties With radiography using automatic exposure control this monitoring system interrupts the radiation if any of the following conditions 1s met e Stage 1 If the mAs value has reached 9 5 times the mAs value of the type of exposure selected e Stage 2 If after 10 of the maximum permissible exposure time at least 4906 of the expected switch off dose has not been reached Stage 3 If 600 mAs or 4 s has been reached The value of 600 mAs can be set lower by the Customer Service If you change an APR program temporarily stages 1 and 2 switch off This will be displayed by an asterix see section 4 5 4 Stage 2 remains activa ted for these 10 of the maximum exposure time even stage 3 remains acti vated If you wish to accept the changed program as a fixed program you must enter the mAs values to be expected via the mAs technique in order to adapt stages 1 and 2 to the new programmin
46. itional 0 5 ms 3 576 additional 0 5 ms 5 additional 25 ms 5 additional 0 5 ms 5 additional 25 ms X 576 additional 25 ms 85 ms 5 additional 1 kV 5 additional 0 1 mA Technical data 51 6 5 Compatibility 52 Technical data 6 5 6 6 6 7 Compatibility You can operate any OPTIMUS with RO and SRO tubes from Philips Mixed operation is possible Philips recommends the following standard tubes RO 1648 RO 1750 SRO 0951 SRO 2550 SRO 33100 For other tubes which can be connected up consult the Customer Service You can connect the Patient Data Organiser PDO up to any Optimus For more information please contact your Philips representative Methods of measurement X ray tube voltage Tube voltage is measured with the aid of balanced high voltage bleeders in the high voltage circuit X ray tube current Tube current is measured on the cathode side in the rectified high voltage circuit of the X ray generator 100 ms section Load time Load time is measured between 75 7 5 peak voltage of the high voltage rise edge and 75 7 5 peak voltage of the high voltage fall edge Current time product Current time product is measured on the cathode side in the rectified high voltage circuit of the X ray generator Type number plate All labels are located on a label bracket at the top left corner of the front side of the cabinet visibly marked by for information If you
47. k of malfunction caused by electro magnetic interference However in the case of radio signals from high fre Safety 7 2 4 Radiation protection 2 4 2 5 Safety quency transmitters with a relatively high transmitting power the risk of electromagnetic incompatibility when operated in close proximity to elec tronic apparatus cannot be totally ruled out In unusual circumstances unintended functions of the apparatus could be initiated possibly giving rise to undesirable risks for the patient or user For this reason all kinds of transmission with mobile radio equipment should be avoided This also applies when the apparatus is in standby mode Mobile telephones must be switched off in designated problem zones Radiation protection A Ensure that before performing any radiography all the necessary radiation precauti ons have been taken Information about radiation protection you can find in the different Instructions for Use for the X ray equipment used with this generator e Safety circuits which may prevent X radiation from being switched on under certain conditions may be neither removed nor modified Disposal Take back proper disposal and recovery of the Medical Device take place in accordance with the European WEEE Directive Waste Electrical and Elec tronic Equipment and or respective requirements of national legislation Philips manufactures state of the art X ray equipment in terms of safety and e
48. le kV mAs technique kV mAs s technique kV mA s technique The table on the right shows you how to switch between the individual tech niques During installation the kV mAs technique and the kV mAs s techni que can be programmed as alternatives Initial state Switch over to kV mAs or kV mA s kV mAs s kV mAs or kV mAs s 2 Depending on APR programming by Customer Service The APR records Lists and groups During installation the generator is equipped with APR records from a library You can select a program from a list of APR programs or you can select a program from a group of APR programs Groups are APR programs collected according to regions of the body which then appear on the display under the generic term the name of the group In addition you can change the exposure data of the program selected Operation 27 4 5 The APR records 4 5 2 Selecting a program from a group of programs if saved Example SKULL SPINE Skull ap pa Skull lat CHEST ABDOMEN Skull halfaxial Skull axial U EXTREMITIES PELVIS HIP Sella lat Sinuses L EXTREMITIES Temporal bones Menu The left hand illustration shows the regions of the body If as highlighted you select Skull the display of APR programmes appears as shown in the right hand illustration 1 Select an auxiliary e The LED lights up The last APR setting selected appears 2 press key The groups assigned t
49. llowing appear on line 1 column 2 fluoroscopy voltage fluoroscopy current and fluoroscopy time in min s Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems Fluoroscopy 4 8 Optimus 50 65 80 Version 3 6 4 8 EFEF Example Oesophagus 110 kV 3 5 mA 2 45 Ventriculus Rectum Duodenum Thorax Colon Menu e there is a continuous tone after 5 min if you fail to switch it off with e within another 5 min fluoroscopy will be shut down Then no further action is possible until you press or C Please bear in mind that has more than one function see chapter 3 2 2 e if E lights up in red the max fluoroscopy current will be limited to 3 mA If you cannot release fluoroscopy you have selected the wrong auxiliary an exposure is being made the door to the examination room is not closed or you have not switched off the audible signal After fluoroscopy e goes out the total fluoroscopy time appears min s in line 1 column 2 you can delete it with or C Please bear in mind that has more than one function see chapter 3 2 2 Exposures with image intensifier or spot film device SCOPOMAT Select auxiliary The LED lights up The names of the programs or groups assigned to this auxiliary appear The name of the programme last called up under this auxiliary or of the group last selected is highli
50. luoroscopy 40 Operation p A 9 FEE o If required you can save these data see chapter 4 5 5 Set exposure time b Setting via the kV mAs s technique Switch off AEC The generator switches to the kV mAs s technique Set anatomical mAs The initial current is set automatically via mAs Switch on AEC As a result the initial current is indirectly defined for the next exposure If required you can save these data see chapter 4 5 5 1 If you wish to change the initial current directly Switch on mA s The generator switches to the kV mA s technique Proceed as described in a step 2 Fluoroscopy Performing fluoroscopy Select fluoroscopy unit The LED lights up The names of the programs if APR option is installed or of the groups which have been assigned to the fluoroscopy unit appear Line 1 column 2 is reserved for fluoroscopy data and is not available for APRF programmes or groups The name of the program last called up under this auxiliary if APR option is installed or of the group last selected is highlighted Select APRF program The name of the programme is highlighted Release fluoroscopy on the fluoroscopy unit footswitch release switch You cannot release fluoroscopy on the generator During fluoroscopy lights up e kV and mA are controlled automatically according to the programmed fluoroscopy characteristic e the fo
51. m wrist lateral Forearm elbow ap Forearm elbow lateral Elbow ap Elbow lateral Humerus elbow ap Humerus elbow lateral Humerus shoulder ap Humerus shoulder lateral Shoulder ap Shoulder axial Shoulder transthoracal Clavicle Sternum lateral Sternum oblique Scapula ap 58 Appendix Cassette size 13 x 18 13 x 18 18 x 24 18 x 24 18 x 24 divid in 2 18 x 24 divid in 2 24 x 30 or 18 x 24 divid in 4 18 x 24 18 x 24 24 x 30 18 x 24 24 x 30 18 x 24 18 x 24 18 x 24 24 x 30 divid in 2 24 x 30 divid in 2 24 x 30 18 x 24 24 x 30 18 x 24 18 x 24 18 x 24 18 x 24 18 x 24 24 x 30 24 x 30 18 x 24 cm 1 5 6 7 13 13 16 16 26 14 42 21 17 kV 46 46 46 48 48 50 50 52 52 55 55 55 55 60 60 66 66 66 66 85 90 66 85 77 70 mAs 3 2 3 2 3 2 3 2 5 6 4 6 4 6 4 10 12 32 32 25 10 16 10 AMPL OP 2006 SID cm 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 Focus SC DIN 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 Grid Optimus 50 65 80 Version 3 6 Philips Medical Systems Exposure table 7 5 Cassette size cm kV mAs AMPL SID Focus SC Grid CP
52. ncrements of 6 96 12 96 25 Position patient Operation 33 4 6 Operation with AEC and APR 7 Collimate 8 Release preparation step 1 6 goes out briefly 9 Release exposure step 2 Hold down button until you hear the audible signal If you release before the signal sounds you abort the exposure Do not press the button more than three times a minute this increases the life of the X ray tube You can also press the button straight through to step 2 After the prepara tion time the exposure is released is lit preparation exposure or fluoroscopy can also be indicated visually optional After exposure e There is an audible signal goes out n the case of exposures without automatic exposure control the exposure data remain intact n the case of exposures with automatic exposure control the post expos ure display remains for 25 s If you wish to call up the post exposure display again press If you wish to call up the name of the group again Press You can repeat the exposure using the same exposure data but without automatic exposure control 1 Switch off AEC If after 25 s the post exposure display disappears to level 2 you must first call up the post exposure display of the last exposure and then switch AEC off Call up post exposure display of the last exposure I N 3 Position patient if necessary 4 Collimate if necessary 5 Release preparation and exposure see above 4 6 4
53. nvironmental protection Assuming no parts of the system housing are opened and assuming the system is used properly there are no risks to per sons or the environment To comply with regulations it is necessary to use materials which may be harmful to the environment and therefore have to be disposed of in a proper manner For this reason you must not dispose of the X ray equipment together with industrial or domestic waste Philips supports you in disposing of the X ray equipment described in a proper manner returns reusable parts to the production cycle via certified disposal compa nies and thus helps to reduce environmental pollution Consequently do contact your Philips Service Organisation in full confi dence Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems The function 3 1 Optimus 50 65 80 Version 3 6 3 1 3 1 1 3 1 2 Function and description The function This generator produces the voltages and currents required for operating an X ray tube and makes the supply voltages available for parts of the X ray sys tem as a whole What the generator is capable of In the following table you can see what configurations offer what exposure techniques Radiography and Configuration fluoroscopy techniques Basic version with APR with AEC with APR without APR without without and AEC AEC AEC APR kV technique kV mA technique
54. o that auxiliary appear Menu Select group The names of the APR programs assigned appear f there are more programs than can be displayed lights up e With you can switch between pages eo Select APR program The name of the program is highlighted and the appropriate exposure data appear If you do not select any APR program after selecting a group the name of the last program selected is highlighted after pressing the exposure switch the appropriate exposure data remain valid A 5 Position patient 6 Collimate 7 Release preparation step 1 6 goes out briefly 8 Release exposure step 2 Hold down button until you hear the audible signal If you release before the signal sounds you abort the exposure Do not press the button more than three times a minute this increases the life of the X ray tube You can also press the button straight through to step 2 After the prepara tion time the exposure is released is lit preparation exposure or fluoroscopy can also be indicated visually optional After exposure e There is an audible signal goes out The exposure data remain intact 28 Operation Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems The APR records 4 5 4 5 3 Skull ap pa Skull halfaxial Thorac Spine ap Lumbar Spine 1 Optimus 50 65 80 Version 3 6 Cervical Spine Thorac Spine lat Lumbar Spin
55. omatic exposure control TDC Fluoroscopy Radiography for therapy simulation Optimus 50 65 80 Exposure techniques e kV continuously falling load automatic exposure control one factor technique e kV mA constant current operation automatic exposure control two fac tor technique T DC automatic exposure control with tomography dose rate controlled tomography kV mAs constant load two factor technique kV mAs s constant load three factor technique e kV mA s constant load three factor technique 6 2 Setting ranges Tube voltage Tube current mAs Exposure times mAs Switching times Density correction mAs Switching times mAs Switching times Tube voltage Tube current Tube voltage Tube current Time Optimus 50 Optimus 65 Optimus 80 40 kV 150 kV adjustable in steps of 1 kV or according to a sequence the steps of which roughly correspond to an exposure increment In the case of tubes with lower maximum tube voltage this is limited accordingly For kV mA s and kV mAs techniques this can be For kV mA s and kV mAs techniques this can be For kV mA s and kV mAs techniques this can be adjusted in steps of 25 adjusted in steps of 25 adjusted steps of 25 12 or 6 12 or 6 12 or 6 1 mA 650 mA 1 mA 900 mA 1 mA 1100 mA 0 5 mAs 850 mAs adjustable in steps of 25 12 or 6 Compliance range as per IEC 60601 2 7 2
56. ptional After exposure There is an audible signal goes out Operation 37 4 7 Tomography 4 7 2 Tomographic exposures with automatic exposure control TDC Via the option Automatic tomographic time input the unit transmits the specified exposure time to the generator You cannot override it If you have selected tomography the following table shows you how to switch between the individual techniques Initial state Switch over to kV mAs s kV mA s kV mAs s 2 4 1 3 Making tomographic exposures with automatic exposure control TDC 1 Select tomography If units are equipped with a remote selection feature the generator switches over automatically to tomography if you select this mode at the unit The LED lights up e kV mA s or kV mAs s technique is activated 38 Operation Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems Tomography 4 7 Optimus 50 65 80 Version 3 6 4 7 4 1 2 3 f there are more programmes than can be shown on the display you can scroll through the pages with After the last page the first page dis played reappears Select APR program The name of the programme is highlighted Prepare auxiliary for tomography see Operators Manual for the auxiliary If necessary adapt exposure data to the thickness of the patient s body Depending on programming by Customer Service the following ar
57. radiography 4512 109 24973 AB 742 11 2005 JA version 3 6 English PHILIPS Oesophagus Ventriculus Duodenum Colon INSTRUCTIONS FOR USE Optimus 50 65 80 X ray generator PHILIPS Instructions for Use All rights reserved Philips Medical Systems DMC GmbH reserves the right to make changes in specifications or to discontinue any product at any time without notice or obligation and will not be liable for any consequences resulting from the use of this publication Internet adress http www philips com ms Copyright by 2005 Philips Medical Systems DMC GmbH Roentgenstrasse 24 D 22335 Hamburg Germany This manual is a translation from the German When receiving data media the user acquires a non exclusive non transferable right to use the software stored on them in connection with the hardware components delivered with it by Philips Changes to software the use of which on hardware components other than those delivered by Philips in this connection multiple use or the making of copies even for pur poses of data backup must be approved by Philips in writing beforehand Philips Medical Systems Worth to know 1 1 1 2 1 3 1 4 1 5 1 6 2 5 Normal T 5 FOr sate e
58. t The 18 buttons on an optional keypad module are assigned as follows e 14 buttons for APR programs each button can be assigned any auxiliary 2 buttons for selecting the auxiliairies 2 buttons for adjusting exposure data to the thickness of the patient s body 20 Function and description Optimus 50 65 80 Version 3 6 Philips Medical Systems 21 Nov 2005 Philips Medical Systems The control desk 3 2 Optimus 50 65 80 Version 3 6 The keys and their functions Symbol 1 O D ese io fel 8 55 9 I7 E 5 HEE I For further information about the button symbols refer to section 8 4 Description Switch off generator Switch on generator Toggle between kV mA s technique LED is lit and kV mAs s or kV mAs technique alternatively programmable Switch on off automatic exposure control Switch off incorrect exposure indicator Save modified APR data together with an APR button Clear error message New patient PDO option Switch off audible signal after 5 min of fluoroscopy Call up different levels Select focal spot Small focal spot Veriofocus option Large focal spot standard at monofocal tubes Select measuring field s of the automatic exposure control AEC In the case of radiography with AEC on image intensifier Il only the centre measuring field is illum
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