Cranex Users Manual
Contents
1. eeesee eene een 7 2 UNK gdescriDIOEbu usa wesnndbutirdui tente E aed ndi EE o NEEDS 9 THO COD oes e 9 The XC ecu eC M 10 THG ASO eec 11 The Control panel Excel and Excel CEPH 12 The Control panel BaSeX 11 eceeeeeseeei eene enne nnn nnns nnn nnns 13 Ghin SUDBOFIS ienero DIA S18 USES EAEHRUERES DUNS VAERPRE EE UM NNI NE iA 14 3 USINO N UNH ec 15 Switching the unit on and off secession iss cet sees teen cence 15 SWItCDIBO TO BENT DIT eco rE er caster Ie Rn NEUE ICH OCA IUD PU TUeUNM sn enseeseeaneiancerats 15 SWitERING TNEUNILOT Rm 15 EXDOSUFIG SWIIED IOC K ascia MINE Deua Ur ixaTHM FAM MU aaa E 16 Unlocking the exposure SWIECDI sse antiq ua ov G GC pI LUPII IRAAEEERUR INANE 16 Locking the exposure switch x35ddsumttecimustsp domes eriteskorliera cn 22 scd PIU dM eem 16 Operating the unit without x rays eeeeeee eee rennen nnne nnn 17 Taking Panoramic exposures e eeeeseeseeneeen nennen nnn n nenne nnn annus 18 Panoramic exposure programs ccccceccecceecsecceeceeceeceeceeeeeeeceeeaeceueeeeeeeses 18 Preparing the unit RR 19 Positioning the patient for a panoramic exposure ese2. us UL Classification d oOo V J oko Lock height adjustment CE Unlocked height adjustment O O Cephalometric collimator types e e 18x24 A 24x30 A 8x10 A 18x24 S 24x30 S 8x10 S 24x18 30x24 10 x8 FD DH HH fh Soft tissue filter positions f 24x30 24x30 24x18 EZ EZ A S S A Cephalometric cassette positioning marks 8 x Q 8 x Q f O x8 A 12 8200900 User s Manual Cranex Panoramic X ray Series 2 Unit description 2 Unit description The Excel On off switch Midsagittal light Mirror Control panel Exposure warning lights Rotating arm LL MI Head support NN Cassette carriage Frankfort light Ez 4 Egi ee Tube head Exposure switch Focal trough light Chin supports Patient handles Focal trough positioning knob Focal trough position display Positioning light switch User s Manual 8200900 13 2 Unit description Cranex Panoramic X ray Series The Excel CEPH The Excel CEPH is the same as the Excel but in cludes a cephalometric unit Cassette positioning marks Soft tissue filter positions gt m um qu quu 24x30 24x30 S A E f S A Om 8 f Cephalometric unit Cassette holder EQrposls Cephalometric tube head Forehead support Aperture plate liac Soft tissue filter adjusting screw 14 User s Manual 8200900 Cranex Panoramic X ray Series 2 Uni
3. 16 s 60 Hz Panoramic exposure times Test T key operates the unit without x rays MA key selects mA Return key drives the rotating arm to the ready position User s Manual 8200900 17 2 Unit description Cranex Panoramic X ray Series Chin Supports Chin cup cover Bite block cover Bite block NA Chin rest cover Chin rest WARNING Always use the disposable covers with the chin supports 18 User s Manual 8200900 Cranex Panoramic X ray Series 3 Using the Units 3 Using the Units Switching the unit on and off The on off switch is located on the side of the unit Switching the unit on Press the on off switch to the on position I to switch the unit on The on off switch light and display lights for the preselected spinal compensation mA and kV values will come on Spinal compensation light e 75 Switching the unit off Press the on off switch the off 0 position All the lights will go out Switch the unit off at the end of every day or when it is not being used OFF NM o It is also recommended that the exposure switch see next page is locked when the unit is not being used User s Manual 8200900 19 3 Using the Units Cranex Panoramic X ray Series Exposure switch lock The exposure switch lock allows the exposure switch to be locked This prevents unauthorized people from taking exposures even if the unit is switched on The exposure switch lock is located on th
4. 71 kV and switch spinal compensation OFF 0 Spinal compensation OFF e 5 oje p O 9 sec Hola 2999090 Slide the aperture plate to the aperture you require for the cephalometric exposure you wish 3 NET to take SN Aperture plate ES Cephalometric tube head User s Manual 8200900 43 3 Using the Units DOWN C Asymmetrical vertical n LE MIDDLE io Cranex Panoramic X ray Series For a lateral exposure using the cassette in the asymmetrical vertical position slide the aper ture plate to the DOWN position For a PA or AP exposure using the cassette in symmetrical vertical position slide the aperture plate to the MIDDLE position For a lateral exposure using the cassette in the horizontal position slide the aperture plate to the UP position Pull the locking catch down and then rotate the headrest until it is in the correct position for the cephalometric exposure you plan to take Also place disposable covers over the ear posts Locking catch Disposable cover User s Manual 8200900 Cranex Panoramic X ray Series 3 Using the Units 5 Ask the patient to stand between the open ear posts Adjust the height of the head support until the earposts can be inserted into the patients ears Close the ear supports A WARNING NEVER drive the ceph head support up or down when the earposts are in the patient s ears 6 If you are taking a lateral exposure and require soft ti
5. exposures DO Q NOT activate spinal compensation The O light must be on 7 Select the chin support for the exposure you wish to take Bite block For panoramic exposures use the chin support and bite block or if the patient is edentulous the chin cup Chin support and bite block or the chin rest if you cannot use either of the above with the patient Chin rest Chin cup For sinus and TMJ exposures use the chin rest CAUTION Always use the disposable covers with the chin supports Chin rest 26 User s Manual 8200900 Cranex Panoramic X ray Series 3 Using the Units 8 Ask the patient to remove any dentures jewel lery or spectacles and then place a lead apron over the patient s back 9 Adjust the height of the chin rest so that it is level with the patient s chin Excel and Excel CEPH With the Excel and Excel CEPH press the height adjusting key to position the chin rest BaseX With the BaseX turn the locking lever down wards to unlock the chin rest Adjust the position of the chin rest and then relock it by turning the locking lever back to the locked position 4 A J Locked Unlocked yee s ok qno E as User s Manual 8200900 21 3 Using the Units Cranex Panoramic X ray Series Positioning the patient for a panoramic exposure 1 Ask the patient to step into the unit and grasp the patie
6. h 81 kV 10 mA duty cycle 1 15 One normal exposure per 4 minutes cool down period CEPHALOMETRIC 61 kV 1800 mAs h 81 kV 10 mA duty cycle 1 20 One 3 2 s exposure per 1 minute cool down period User s Manual 8200900 53 5 Technical Specifications Cranex Panoramic X ray Series Measurement bases The kV is measured by monitoring the current flowing through a 450 Mohm 1 feedback resistor connected between the tube anode and ground The mA is measured by monitoring current in the HT return line which equals the tube current Both parameters are measured using a Soredex kV mA meter pt no 4800177 or with a digital multimeter DMM according to a specified procedure The exposure time is measured using a radiation probe positioned in the primary beam Cephalometric collimator 18 x 24 A or 24 x 18 A for lateral projection 18 x 24 S for P A and A P projections 24 x 30 aperture optional 8 x 10 Aor 10 x 8 A for lateral projections 8 x 10 S for A P and P A projections Adjustable soft tissue filter for lateral projection Operating Room Temperature 15 C 59 F to 32 C 90 F Operating Relative Humidity Maximum 95 Tube housing assembly cooling characteristics TUBE HOUSING ASSEMBLY COOLING CHARACTERISTICS HEAT UNITS 30 60 90 120 150 180 TIME IN MINUTES 54 User s Manual 8200900 Cranex Panoramic X ray Series Tube rating chart OPX 105 ii ini ni T pi EE
7. the other TMJ key and reposition the patient for the second pair of exposures Frontal anterior exposure Partial exposure right hand side of patient Partial exposure left hand side of patient User s Manual 8200900 Cranex Panoramic X ray Series 3 Using the Units BaseX only Turn the program selection knob on the side of the cassette carriage to select the required exposure program The programs are as follows Adult for normal panoramic or sinus exposure Child for Reduced width panorama 20 pedo or sinus exposure Program selection knob 5 Press the mA key to select the correct mA for the image receptor you are using Select 10 mA for normal speed film screen combinations Note that 10mA can be used with high speed film screen combinations but the kV value will have to be decreased accordingly uU oe O gt Select 6 mA for high speed film screen combina tions gt oO s For imaging plates select an mA value for the required image quality and dose level User s Manual 8200900 25 3 Using the Units Cranex Panoramic X ray Series Compensation e 6 If you are taking a panoramic exposure of an ON E adult press the spinal compensation button to Q activate spinal compensation The I light will come on With spinal compensation the mA is decreased in the lateral areas of the exposure Compensation 5 If you are taking a panoramic exposure of a OFF z child a sinus exposure or TMJ
8. ID 520 mm x10 mm Magnification factor 1 3 CEPHALOMETRIC SID 1635 1700 mm 20 mm SID USA only fixed 1700 mm x20 mm SOD Source object distance 1500 Magnification factor 1 09 1 13 Non US unit set during installation Magnification factor USA only fixed 1 13 WEIGHT Panoramic unit 150 kg 330 Ib Pan Ceph unit 195 kg 430 Ib DIMENSIONS Panoramic unit HxWxD 2240 x 1200 x 970 mm 88 x 47 x 38 Pan Ceph unit HxWxD 2240 x 1200 x 1850 mm 88 x 47 x 74 VERTICAL HEIGHT OF CHIN REST 850 1700 mm 33 67 Cassettes PANORAMIC 15 x 30 cm 6 x 12 Optional 24 x 30 cm 10 x 12 available CEPHALOMETRIC 18 x 24 cm 8 x 10 optionally 24 x 30 cm 52 User s Manual 8200900 Cranex Panoramic X ray Series 5 Technical Specifications Recommended image receptors FILM SCREEN COMBINATIONS Kodak T MAT G green sensitive Kodak Lanex Regular and Medium IMAGE PLATES All types of imaging plates intended for extraoral imaging Timer PANORAMIC EXPOSURE TIMES 50 Hz 60 Hz Normal 19s 15 16 s 15 Child 17 s x1596 14 s 15 Sides 11 s 415 9 s 11596 Middle 10 s 15 8 s 15 TMJ 3 3 3 3 s 415 2 8 2 8 s 415 Max 240 mAs Max 202 mAs CEPHALOMETRIC EXPOSURE TIMES 0 4 3 2 s 15 ten steps in accordance with R 10 series ISO 4 mAs 32 mAs nominal maximum 40 4 mAs BACK UP TIME 23 5 s 1 5s Leakage technique factors PANORAMIC 81 kV 2400 mAs
9. Introduction Warnings and precautions e These dental x ray units must only be used to take dental and where appropriate cephalomet ric x ray exposures These dental x ray units must not be used to take any other x ray expo sures e he x ray unit or its accessories must not be modified altered or remanufactured in any way e he x ray unit may be dangerous to both patient and operator unless safe exposure values are used and correct operating procedures are observed e As radiation safety and protection requirements vary from country to country and state to state it is the responsibility of the operator to ensure that all local and national radiation safety and protec tion requirements are met When taking exposures operators must protect themselves from radiation e When taking exposures operators must stand at least two metres six feet from the patient Operators must be able to see and hear the patient during an exposure e Operators must be able to see the exposure warning lights and hear the exposure warning signal during exposures If the x ray unit is lo cated in such a position that the operator cannot see the exposure warning lights an external exposure warning light must be used Contact your dealer for help e Avoid taking exposures of pregnant women User s Manual 8200900 T 1 Introduction Cranex Panoramic X ray Series e If you are using film as the image receptor never leave the film cass
10. NI TE H ma i io E 2 LL o LLL LLLLLLLE 0 05 0 1 0 20 3 0 5 ho C2 Tube rating chart DE 100 15 6 Iren ran E L ET 5 10 2030 Sec TUBE LOADING CHART ANODE CURRENT 4 567 911 1520 TIME IN SECONDS User s Manual 8200900 s 5 Technical Specifications Anode thermal characteristics kJoule 1 kJ 1 41 kHU ANODE HEAT UNITS Anode thermal characteristics kHU ANODE COOLING CHARACTERISTICS TIME IN MINUTES 5 Technical Specifications Cranex Panoramic X ray Series Unit dimensions 1200 47 970 38 1850 73 406 16 2200 88 2170 2 86 1 850 1700 33 67 56 User s Manual 8200900
11. User s Manual for the Cranex Excel Cranex Excel Ceph and Cranex BaseX Cassette version for film and imaging plates CE 0537 Medical Device Directive 93 42 EEC July 2002 User s Manual for the Cranex Excel Cranex Excel Ceph and Cranex BaseX Document number 8200900 ver 0702 Original approved English language version Manufactured by SOREDEX P O BOX 250 FIN 00031 SOREDEX FINLAND Tel 358 10 394 8412 Fax 358 9 701 5261 Soredex endeavours to produce product documentation that is accurate and up to date However our policy of continual product development may result in changes to products that are not reflected in the product documentation Therefore this document should not be regarded as an infallible guide to current product specifications Soredex maintains the right to make changes and alterations without prior notice Cranex Panoramic X ray Series Contents Contents 1 The Excel Excel CEPH and BaseX x ray units 1 MOIO CUON ERI TTE OU TUTTO 1 Using ils AINA esda aE EEEE AEAEE 2 Warnings and precautions wisi cicnssetccessesacestennacdivccasddesintsasinnssnssedeascoeroaacavsicvesets 3 Check list before using the unit nannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnne 5 C e E T m 5 ire Ei SS UV TU Me EE ODE 9 I you are using imaging plates ouem eec pete see cece enc cone eu cons doque eu 6 Symbols that appear on the units
12. ation 1 3 TMJ two or four images on the film Excel and Excel Ceph only Magnification 1 3 User s Manual 8200900 Cranex Panoramic X ray Series 3 Using the Units Preparing the unit 1 Switch the unit on 2 Press the Return key to drive the rotating unit to the ready position if it is not already in that posi tion 3 Push the cassette carriage to the right and then slide a cassette with film or a cassette with imaging plate into the cassette carriage Slide the cassette in until the right hand end of the cassette lines up with the two slots Arrows indicate the position of the slots Note that film cassettes and imaging plate cas settes are not the same and are NOT inter changeable Cassette Cassette carriage User s Manual 8200900 23 3 Using the Units e Bi em lt e 9 iu oe Cranex Panoramic X ray Series 4 Select the exposure program you require Excel and Excel CEPH units only Press the appropriate program key The pro gram light will come on The programs are as follows Normal panoramic or sinus exposure Reduced width panorama 20 pedo or sinus exposure Temporomandibular joint TMJ exposures images on film sides Temporomandibular joint TMJ exposures images in film centre When taking TMJ exposures two pairs of expo sures can be taken mouth open and mouth closed on one film Press one of the TMJ keys for the first pair of exposures and then press
13. e side of the unit below the on off switch Exposure switch lock Unlocking the exposure switch O Insert the key into the exposure switch lock and turn the key clockwise to the horizontal unlocked position Unlocked Lm ceo Locking the exposure switch Turn the key anticlockwise to the vertical locked O position and then remove the key Locked 0 20 User s Manual 8200900 Cranex Panoramic X ray Series 3 Using the Units Operating the unit without x rays In some situations you may have to operate the unit without x rays being generated To do this press the test T key the indicator light will come on The exposure switch can now be pressed to demonstrate how the unit operates with out x rays being generated Test T key User s Manual 8200900 21 3 Using the Units Cranex Panoramic X ray Series Taking Panoramic exposures Panoramic exposure programs JOS tert BY ERT ANUS L The following images can be taken with the Excel Excel CEPH and BaseX Full width panorama Magnification 1 3 Reduced width panorama 20 pedo and sinus Magnification 1 3 The following images can only be taken with the Excel and Excel Ceph Frontal area of the mandible and maxilla Excel and Excel Ceph only Magnification 1 3 Right hand side of the mandible and maxilla Excel and Excel Ceph only Magnification 1 3 Left hand side of the mandible and maxilla Excel and Excel Ceph only Magnific
14. ettes open in daylight e f you are using imaging plates as the image receptor make sure that the imaging plates imaging plate cassettes and imaging scanning device are compatible with each other 8 8200900 User s Manual Cranex Panoramic X ray Series 1 Introduction Check list before using the unit General e Read and familiarize yourself with the Warnings and Precautions in the introduction Make sure that you are fully acquainted with the relevant radiation protection measures e Make sure that all the required radiation protec tion equipment such as radiation screens are of the approved type and where necessary cor rectly installed If you are using film e Make sure that the film processor you plan to use is in working order and ready to use Make sure that the processing chemicals in the film processor are fresh and are at the correct processing temperatures and concentrations e Make sure that the safelight in the darkroom is the correct one for the film you are using e Make sure that the film you are using is fresh Do not use old film e Make sure that the film and cassettes intensify ing screens you are using are compatible Do not mix films and screens of different colour sensitiv ity e Make sure that the intensifying screens are clean and not scratched If they are scratched do not use the cassette User s Manual 8200900 9 1 Introduction Cranex Panoramic X ray Series If you are u
15. evx uA Cua wa tS d ac ui 47 DEFUEGITHIeDSIOFIS cucxoesenstenu na tobeRUMENCROR RADI MA EDEN NPPMHUVENUHN IUE 52 IV 8200900 User s Manual Cranex Panoramic X ray Series 1 Introduction 1 The Excel Excel CEPH and BaseX x ray units Introduction This manual describes how operate the Cranex Excel Cranex Excel CEPH and Cranex BaseX dental x ray units The Excel is a panoramic dental unit that can take full and reduced width panoramic exposures sinus exposures partial panoramic exposures and TMJ exposures The Excel CEPH can take the same range of pano ramic programs as the Excel but includes a cepha lometric unit The BaseX is a simplified version of the Excel It can take full and reduced width exposures and sinus exposures In addition height adjustment is manual and not motor driven as it is with the Excel All versions use conventional film or imaging plates as the image receptor Please read these instructions carefully before using the x ray unit User s Manual 8200900 5 1 Introduction Cranex Panoramic X ray Series Using this manual All key illustrations indicate that the key must be pressed O A white circle indicates that the indicator light is on When the light is on it indicates that the value or setting is on or has been selected A black circle indicates that the light is off and the value or setting is off or has not been selected 6 8200900 User s Manual Cranex Panoramic X ray Series 1
16. inted surfaces can be wiped clean with a soft cloth dampened with a mild detergent NEVER use abrasive cleaning agents or polishes on this equipment Positioning mirror and light lenses The positioning mirror and positioning light lenses are made of glass Use a soft cloth dampened with a mild detergent NEVER use abrasive cleaning agents or polishes Surfaces that the patient comes into contact with All surfaces and parts that the patient touches or comes into contact with must be disinfected after each patient If you need to clean the intensifying screens only use cleaners recommended by the screen manufacturer If you need to clean the imaging plates only use cleaners recommended by the imaging plate manufacturer 48 User s Manual 8200900 Cranex Panoramic X ray Series 4 Care and Maintenance Monitoring the operation of the unit Maintenance Yearly User s Manual 8200900 If any of the unit s controls or functions fail to operate or do not operate in the way described in this manual switch the unit off wait 30 seconds and then switch the unit on again If the unit still does not operate correctly contact your service technician for help If you hear the exposure warning tone but the expo sure warning light does not come on when an expo sure is taken stop using the unit and contact your service technician for help If you do not hear the exposure warning tone when an exposure is taken stop using the
17. ith a high frequency switching mode x ray generators The panoramic version takes panoramic expo sures The panoramic cephalometric version takes panoramic and cephalometric exposures and uses a dedicated x ray source to take cephalometric exposures Generator TUBE OPX 105 DE 100 15 or equivalent FOCAL SPOT 0 5 mm IEC 336 TARGET ANGLE Bo TARGET MATERIAL Tungsten OPERATING TUBE POTENTIAL Panoramic 63 81 kV 5 kV at preselected settings OPERATING TUBE CURRENT 6 mA and 10 mA 1 mA at preselector 4 5 mA and 6 mA or 7 5 mA and 10 mA in compensation mode MAXIMUM TUBE CURRENT 11 mA MAXIMUM OUTPUT POWER 945 W nominal FILTRATION minimum filtration 2 5 mm Al BEAM QUALITY HVL over 2 5 mm Al at 81 kV OUTER SHELL TEMPERATURE 50 C 122 F maximum DUTY CYCLE Panoramic 1 15 81 kV 10mA Cephalometric 1 20 81 kV 10mA User s Manual 8200900 51 5 Technical Specifications Cranex Panoramic X ray Series Power requirements INPUT VOLTAGE 175 250 VAC 410 50 60 Hz adjustable single phase grounded socket MAXIMUM LINE CURRENT 7 A at 81 kV 10mA MAXIMUM LINE RESISTANCE 1 ohm MAXIMUM LINE FUSING 10A slow main fuse 8A slow in device LINE SAFETY SWITCH when required Approved type min 10 A 250 VAC EARTH LEAKAGE CIRCUIT BREAKER when required Approved type min 16 A 250 VAC breaker activation leakage current in accordance with local regulations Mechanical parameters PANORAMIC S
18. nt handles Cassette carriage Slide the cassette carriage to the right as far as it will go so that you can see the patient 2 f you are using the chin rest and bite block ask the patient to place his chin on the chin support Incisors in bite and bite the bite block Make sure that the pa Ww block notches tient s upper and lower teeth are positioned in the respective notches on the top and bottom of the bite block If you are using the chin cup ask the patient to position the upper and lower central incisors so that the biting edges are together If you are using the chin rest ask the patient to UbomresEand bile dick position the upper and lower central incisors so that the biting edges are together and then press his lower lip against the chin rest Chin cup Chin rest 28 User s Manual 8200900 Cranex Panoramic X ray Series 3 Using the Units 3 While the patient is holding the patient handles ask the patient to step forward a few centime tres so that patient is slightly off balance This movement will encourage the patient to push their head forward in order to maintain balance In this position the patient s cervical vertebrae will be stretched and straight and the patient will be in the best position for taking a panoramic exposure If necessary adjust the height of the chin rest to stretch the patient 4 Open the mirror so that you can see a reflection of
19. of the central incisors They MUST be positioned within the focal trough even if it means ignoring the position of the Frankfort plane Focal trough light The Frankfort plane is To align the apices with correctly positioned but the focal trough light the the apices are not aligned Frankfort plane must with the focal trough light be tilted User s Manual 8200900 33 3 Using the Units Cranex Panoramic X ray Series 11 Slide the forehead support towards the patient until it touches the patent s forehead Forehead support 34 User s Manual 8200900 Cranex Panoramic X ray Series 3 Using the Units Positioning the patient for a Sinus exposure 1 Forsinus exposures use the chin rest Ask the patient to press his upper lip against the a chin rest Chin rest X 2 he midsagittal plane is positioned the same as for a panoramic exposure 3 Position the focal trough light as far backwards as possible Focal trough light 4 The Frankfort plane must be horizontal Frankfort plane User s Manual 8200900 35 3 Using the Units Cranex Panoramic X ray Series Positioning the patient for TMJ exposures Excel and Excel CEPH only 1 For TMJ exposures use the chin rest Ask the patient to press his upper lip against the Py chin rest with his mouth closed Chin rest 2 The midsagittal plane is positioned the same as for a panoramic exposure 3 The focal trough is positioned the same as for a panoramic expo
20. ontal 18 x 24 cm 8 x 10 or optionally 24 x 30 cm The magnification of all these images is 1 13 NOTE For non US units the magnification can be set between 1 09 and 1 13 during installation 3 Using the Units Cranex Panoramic X ray Series Taking a cephalometric exposure ils Cassette carriage Select and press the ceph exposure time button for patient you are taking an exposure of For adults 1 0 2 0 seconds For children 0 4 1 0 seconds Note The exposure time will depend on the film screen combination being used Ceph s e e Selected ceph O 2 0 exposure time on example only The exposure time indicator light will come on and the rotating unit and cassette carriage will move automatically to the ceph position Rotating arm in ceph position CAUTION DO NOT pull the cassette carriage out past its stop position If pulled out too far the unit will NOT take a ceph exposure If accidentally pulled out push the cassette carriage in as far as it will go and it will then return automatically to the correct position DO NOT push the rotating arm to the left If pushed it will start rotating If the rotating arm is accidentally pushed and it starts to move pull it to the right passed the ceph position and it will move automatically back to the ceph position User s Manual 8200900 Cranex Panoramic X ray Series 3 Using the Units 2 Select 10 mA a kV value of at least
21. seeeeeese 24 Positioning the patient for a Sinus exposure cccceccaeeeeeeeeeeeeeseeeeeeeenees 31 Positioning the patient for a TMJ exposure Excel and Excel CEPH only cccccccscceeeceseseseceeeceeeseeeseeeeeeeeeeesaeeaes 32 Taking AEX OO 1 Us MANN RR R 39 After exposure cccccecceecceecseeceeeeeeteeeeeeteeceeeeeeesecsueteseeeseeeeeetaeesnetseseeesaeenes 36 Taking Cephalometric exposures Excel CEPH only 37 Cephalometric exposure programs cccccccecesecceeeeeceeeeeeeteeeseeeseeeseeeseeees 37 Taking a cephalometric exposure ccc ceccecc eee eeceeeeeeseeceeceeeeeeeeeeeeeeeseeseesaees 38 User s Manual 8200900 iil Cranex Panoramic X ray Series Contents 4 Care and Maintenance cccccceeeceeeeeeeeeeeeeeneeneeneseeeeneeneneesenes A Cleaning the unit udi diuo SERUUM PED MEER M UU I UE ER 44 Painted Si Tab Suum uet een er INR E FE 44 Positioning mirror and light lenses NOUS 44 Surfaces that the patient comes into contact with 44 Monitoring the operation of the unit eese sees 45 MallitenalieG rorem E NM NUI can EE OMIM ORI T UD mdi E 45 i i 45 Troubleshooting ocius Eos utoixEslxtebigxdmeoSr III I DIM UR NIRE DRUSI DUDEN ZRPSNMN CHAR sien 46 5 Technical specifications usscsueseenienzcckuonent
22. sing imaging plates e Make sure that the imaging plates that you are using are compatible with the imaging plate cassettes e Make sure that the imaging plate scanning de Vice you are using is designed to scan the imaging plates you are using e Make sure that the imaging plates are clean and not scratched or damaged If they are do not use them 10 8200900 User s Manual Cranex Panoramic X ray Series 1 Introduction Symbols that appear on the units O Exposure switch locked Exposure switch unlocked P Onorenabled O Q Offordisabled N Protection light c opinal compensation Milliampere selection Rotating unit return Adult male kV selection Adult female kV selection li Child kV selection o Frankfort plane light AN Radiation warning User s Manual 8200900 Tle aleo eo Test exposure Panoramic return Positioning lights Exposure switch Panoramic exposure Reduced width panoramic exposure TMJ exposures outer TMJ exposures inner TMJ exposures Partial exposure Patient s left hand side Partial exposure Patient s right hand side Frontal exposure Height adjustment Head supports open Head supports closed Dangerous voltage 1 Introduction Cranex Panoramic X ray Series B Alternating current Type B equipment A IEC 601 1 D Protective earth ground C CE 0537 symbol 1 Earth ground 0537 MDD 93 42 EEC m Focal trough positioning
23. ssue filtering determine which of the soft tissue indicator lines on the cephalometric cas sette holder is nearest to the patients nasion Rotate the soft tissue filter adjusting screw until the position line on the screw is the same as the line chosen on the ceph cassette holder o ol Hr MO ndicator lines Cephalometric EN cassette holder E 24x30 24x30 s A 18x24 5 fice 24h 7 f Soft tissue filter adjusting screw User s Manual 8200900 45 3 Using the Units Cranex Panoramic X ray Series 7 Slide the cephalometric cassette into the cas sette holder until it lines up with the cassette positioning mark for the exposure you wish to take Asymmetric vertical 24x30 24x30 S f 18x24 f 18x24 S A Symmetric vertical Cassette fo bw f 8 Horizontal 8 f you are taking an AP exposure ask the patient to close his eyes Protect yourself from radiation and take the exposure 9 Guide the patient out of the unit 10 Remove the cassette and process the film or scan the imaging plate 46 User s Manual 8200900 Cranex Panoramic X ray Series 3 Using the Units 11 To drive the rotating arm back to the panoramic position press the P key and then the RETURN key User s Manual 8200900 47 4 Care and Maintenance Cranex Panoramic X ray Series 4 Care and Maintenance Cleaning the unit WARNING Switch the unit off before cleaning it Painted surfaces All pa
24. sure 4 The Frankfort plane must be horizontal 5 After taking the first pair of TMJ exposures ask the patient to open his mouth for the second pair T of exposures a Mouth open 36 User s Manual 8200900 Cranex Panoramic X ray Series 3 Using the Units Taking an exposure 1 Make sure that the temple supports are closed so Y that they are holding the patient s head Press the RETURN key to drive the rotating unit to the start position 2 Manually slide the cassette carriage to the left as far as it will go The READY light will come on and a kV value based on the patient s head size will be automatically selected AutoSet kV This kV value is for a normal panoramic expo sure with spinal compensation ON using 10mA and a normal speed film screen combination IMPORTANT NOTE The Autoset kV value selected is only a SUG GESTED value based upon the size of the pa tients head You should always use your own experience and knowledge when deciding what kV value to use If a high speed film screen combination is being used decrease the kV value by 6 8 kV or use 6 mA instead of 10 mA User s Manual 8200900 3f 3 Using the Units Increase kV Sinus exposures TMJ Exposures Heavy boned patients Suggested kV Edentulous patients Spinal compensation OFF Decrease kV Cranex Panoramic X ray Series For different exposure programs and patients adjust the suggested kV val
25. t both root apices are on the same vertical axis i Root apex Root apex Vertical axis Tilt head to position root apices User s Manual 8200900 31 3 Using the Units Cranex Panoramic X ray Series 9 The focal trough light beam indicates the center of the focal trough which is 10 mm wide at the front The root apices of the central upper and lower front incisors must now be positioned so that they are within the focal trough Focal trough light beam Root apex 10 mmy i Focal trough Different occlusion different position To do this rotate the focal trough positioning knob backwards or forwards until the root apices of the central upper and lower front incisors are within the focal trough For patients with NORMAL occlusion the focal trough light beam will be positioned between the second and third teeth Focal trough positioning knob Focal trough position display Optional 32 User s Manual 8200900 Cranex Panoramic X ray Series 3 Using the Units 10 For the dental arch to appear correctly on the image the Frankfort plane of the patient should be positioned so that it coincides with or is paral lel to the Frankfort plane light Note however that this is only for patients with NORMAL occlu sion and is only a very rough guide Frankfort plane IMPORTANT NOTE The most important factor in patient positioning is the position of the upper and lower apices
26. t description The BaseX Mirror Control panel Exposure warning lights Onloff switch Rotating arm Head support Program selection knob Cassette carriage Frankfort light Tube head Exposure switch Focal trough light Chin supports Patient handles Height adjusting lever Positioning light switch User s Manual 8200900 15 2 Unit description Cranex Panoramic X ray Series The Control panel Excel and Excel CEPH Ready light Comes on when the unit is ready to take an exposure Protection light Comes on if there is a problem with the generator Compensation key adjusts exposure value for spinal vertebrae kV selection keys Program selection keys SOREGEX Panoramic exposure times Excel CEPH only Exposure time in seconds for cephalometric exposures Excel CEPH only Panoramic P key press this key then the Return key to drive the rotating unit back to the panoramic position and mode Test T key operates the unit without x rays mA key selects mA Return key drives the rotating unit to the ready position 16 User s Manual 8200900 Cranex Panoramic X ray Series 2 Unit description The Control panel BaseX Ready light Comes on when the unit is ready to take an exposure Protection light Comes on if there is a problem with the generator Compensation key adjusts exposure value for spinal vertebrae kV selection keys ont CRANEX i2c 9 19s 50 Hz
27. the patient in the mirror User s Manual 8200900 29 3 Using the Units Cranex Panoramic X ray Series 5 Press the positioning light button to switch the patient positioning lights on The lights will remain on for 30 seconds If you need more time press the button again Midsagittal light Optional Vul Q Q Positioning light switch Focal trough light 6 Look atthe reflection of the patient in the mirror and position the midsagittal plane of the patient so that it is vertical The patient s head must be positioned symmetrically and the patient must be looking straight ahead The patient s head is not tilted or turned to one side Midsagittal plane If the unit has a midsagittal light the plane must coincide with the light beam Correct position Incorrect head tilted Incorrect head turned 30 User s Manual 8200900 Cranex Panoramic X ray Series 3 Using the Units 7 Close the temple supports by pushing the temple support lever to the right NOTE When the temple supports are closed the pa tient s head is automatically measured This measurement will be used to determine a kV value when the unit is readied for an exposure 8 Ask the patient to open his lips so that you can see his teeth Estimate the positions of the root apices of the central upper and lower front inci sors Adjust the tilt of the patient s head by raising or lowering the chin support so tha
28. ting arm stops moving and the exposure warning lights go out remove your finger from the exposure switch NOTE TMJ Exposures Excel and Excel CEPH only If you are taking TMJ exposures Press the RETURN key after you have taken the first pair of exposures to drive the rotating unit back to the ready position Press the second TMJ exposure key Reposition the patient for the second pair of TMJ exposures Refer to the section Positioning the patient for a TMJ exposure and then take these exposures as described above NOTE When taking TMJ exposures the audible signal and the radiation warning lights will ONLY come on when radiation is generated 3 Using the Units After exposure Cranex Panoramic X ray Series Slide the forehead support away from the patient Open the temple supports Guide the patient out of the x ray unit Remove the cassette from the cassette carriage Process the film or if you used an imaging plate scan the imaging plate User s Manual 8200900 Cranex Panoramic X ray Series 3 Using the Units Taking Cephalometric exposures Excel CEPH only Cephalometric exposure programs User s Manual 8200900 Only the Excel CEPH can also be used to take the following cephalometric images Lateral asymmetric vertical 18 x 24 cm 8 x 10 or optionally 24 x 30 cm Anterior posterior or posterior anterior symmetric vertical 18 x 24 cm 8 x 10 or optionally 24 x 30 cm L ateral horiz
29. ue as follows Sinus exposure spinal compensation OFF increase the kV value by 4 6 kV TMJ exposure spinal compensation OFF increase the kV value by 2 4 kV panoramic exposure heavy boned patient increase the suggested value by 2 4 kV panoramic exposure of an edentulous patient decrease the suggested value by 2 4 kV panoramic exposure WITHOUT spinal com pensation decrease the suggested value by 2 4 kV If you cannot increase or decrease the kV value by the number of kV required just select the highest or lowest kV value possible Note that when using film the age of the processing chemicals and the film screen combi nation being used may also require the kV value to be adjusted Ask the patient to press his tongue against his palate breathe normally and not move until the exposure has been completed Exposures last approximately 20 seconds Move at least two metres away from the x ray unit and protect yourself from radiation Make sure that you are able to see and hear the pa tient during the exposure User s Manual 8200900 Cranex Panoramic X ray Series 9 WARNING RADIATION 6 User s Manual 8200900 3 Using the Units Press and hold down the exposure switch on the remote control for the duration of the exposure During the exposure cycle you will hear an audi ble signal and the radiation warning lights will come on when radiation is generated When the rota
30. unit and contact your service technician for help Once a year an authorized service technician must carry out a full inspection of the unit During the inspection the following will be carried out a kV mA test aceph exposure time test where applicable a beam alignment test a ball pin test a check to see that the safety ground is connected a check to see that the positioning lights operate a check to see that the tube head is not leaking a check to see that all covers and mechanical parts are correctly secured and have not come loose A full description of all the tests and checks is de scribed in the Service Manual 4 Care and Maintenance Cranex Panoramic X ray Series Troubleshooting Problem The protection light comes on and you are unable to take an exposure Cause There is a problem with the generator Solution Switch the unit off After a few seconds switch it on again If the light comes on again contact your dealer for assistance 50 User s Manual 8200900 Cranex Panoramic X ray Series 5 Technical Specifications 5 Technical specifications Classification Complies with IEC class type B IPXO Complies with IEC 601 1 IEC 601 2 7 and EN 55011 standards Group 1 class B Complies with DHHS Radiation Performance Standard 21CFR Subchapter J The unit must be installed in a protected clinical environment Description Dental panoramic and panoramic cephalometric x ray units w
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