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Radiation Calculation

MOBILETT
SPR8-230.621.01.03.02

of 106

Example: Calculation radiation dose

Exposure with U = 70 kV, Q = 20 mAs and source to skin distance, r = 1.05 m:

From

Diagram 1,

read the corresponding value of Y for U= 70 kV:

Y = 37

Gy x m2/mAs

The radiation dose D is calculated with

Equation (2)

D = 37 (

Gy x m2/mAs) x 20 (mAs) / (1.05)2 = 671

The radiation dose at a distance of 1.05 m with tube voltage 70 kV and 20 mAs is
D= 671

Gy.

Содержание MOBILETT XP

Страница 1: ...SP Instructions for use MOBILETT XP XP ECO XP Hybrid The New Dimension in Mobile X ray Imaging ...

Страница 2: ...s of the Council Directive 93 42 EEC of June 14th 1993 concerning medical de vices The CE marking applies only to medico technical products medical pro ducts introduced in connection with the above mentioned comprehensive EC directives The original language of this document is english ...

Страница 3: ...s 9 Installation of protective conductor 10 Emergency Shutdown 10 Fire protection 10 Personal Protection Measures 11 Mechanical Safety Hazard Areas 11 Arm system 12 Radiation Protection 13 Equipment Related Safety Measures 14 Installation Repair 14 Original accessories 15 Explosion Protection 15 Transport 15 Disposal 16 Chapter Functional description Device overview 17 Main switch 20 Mode selectio...

Страница 4: ...ing operation 36 Battery Charging MOBILETT XP Hybrid only 36 Switching on the system 37 Preparing exposure 38 Position the MOBILETT 38 Adjusting the radiation field 40 Collimating the radiation field using the diagram 41 Example of radiation field collimating 42 Setting the Exposure Parameters 43 Exposure Release 44 With exposure release switch 44 With IR remote control Option 46 Exposure with DAP...

Страница 5: ... Example Calculation radiation dose 65 Chapter The Exposure Point System Density and contrast relations 67 Chapter Functional and Safety Checks Daily checks 71 Monthly checks 72 Labels 72 DAP Measuring System Option 72 Annual Maintenance 73 Chapter Cleaning and Disinfecting Cleaning 75 Cleaning of DAP chamber Option 75 Disinfection 76 Chapter Technical Data X ray Controls and Generator 77 ...

Страница 6: ...T XP Hybrid only 81 Remote control Option 81 DAP equipment Option 82 Environmental conditions 82 Parts subject to wear 83 Dimensions mm 84 Tube Rating Charts 85 EMC Electromagnetic compatibility 87 Chapter Dosimetry Exposure Tables 93 Standard Values 93 Exposure Points 97 Chapter Labels General information 99 Location of Labels CE 99 ...

Страница 7: ...ully studied before using the equipment Special attention must be given to the following sections Safety Information Functional and Safety Checks Protection Measures If legally binding regulations govern the start up and or operation of the MOBI LETT it is the responsibility of the installer and or the operator to observe these regulations Validity This Instructions for use is valid for MOBILETT X...

Страница 8: ... presence of a hazard which can cause damage to the equipment if this is used improperly Warning At first the source of danger is stated Then possible consequences are pointed out In conclusion you receive information on how to rule out any danger Caution At first the source of danger is stated Then possible consequences are pointed out In conclusion you receive information on how to rule out any ...

Страница 9: ... operator information which is important but not hazard related Troubleshooting information Information on how to solve problems that might occur when performing oper ating steps are given at the end of the respective instruction A note is marked with an exclamation mark and it is written in italics ...

Страница 10: ...tenance guide All parts of the MOBILETTs which if worn may create a safety hazard must be checked by skilled personnel at regular intervals of 12 months and replaced if required This should be done by the Siemens customer service department within the framework of maintenance If national rules or regulations specify more frequent checking and or mainte nance this must be observed For detailed info...

Страница 11: ... light during operation only while the radiography switch is operated Special attention must be given to checking the displays and pilot lights for proper operation visual check Perform the checks and tests according to the daily check list Warning The radiation indicator glows although the radiation release switch is not acti vated Undesired radiation exposure possible Switch off the MOBILETT imm...

Страница 12: ...e so that the unit can be quickly disconnected from the mains if there is a safety hazard Fire protection When clean up and restoration work is completed contact Siemens customer service prior to restarting the MOBILETT Warning In case of fire A fire or smouldering fire can produce toxic gases or vapours Switch the MOBILETT off immediately turn the main switch to O Pull the power cable out of the ...

Страница 13: ...indicated by the black arrows in the following figure show potential danger points Caution System movements can cause injury of the operator and collision with other devices Injuries bruises or contusion of the operator and or damage to the system Ensure that no body parts are near the indicated potential points of danger ...

Страница 14: ... tube assembly when lowering the X ray tube assembly from the raised position into the parking position MOB00012 Caution Tube assembly movements can cause injury of the operator Injuries bruises or contusion of the operator Hold onto the handles to avoid squeeze injuries during the positioning of the tube assembly ...

Страница 15: ... must be the maximum possible protec tive distance between the operator and the source of radiation Wear protective clothing lead rubber apron if you must be in close vicinity to the patient during an exposure Wear a radiation monitoring badge or a pen dosimeter if necessary For the patient and the operating personnel When operating the remote control make sure that there are no other running infr...

Страница 16: ...replaced by original spare parts in case of malfunction electrical installation of the room concerned does not meet the requirements of DIN VDE 0100 Part 710 IEC 60 364 7 710 regulation or the corresponding national regulations the MOBILETT is not used in accordance with the instructions for use On request we will make technical documents for the product available to you at a charge which will be ...

Страница 17: ...ransport Prior to Transport Before transporting the unit ensure that The arm system is lowered and secured by the transport safeguard The power cable is disconnected from the wall outlet and wound into the cable winder The parking brake is released Warning Label Trans port Do not use the MOBILETT to open doors During transport avoid bumping the wheels or the tube assembly into sharp edges corners ...

Страница 18: ... 3 kg Transformer Oil Oil in the single tank approx 8 6 kg Plastic Material Insulating material PVC from the cables approx 0 5 kg Electrolytic Capacitors The capacitors must be discharged Please contact your Siemens customer service The capacitors in the capacitor bank approx 28 kg Capacitors in remaining electronics approx 0 8 kg Mechanical Hazard Please contact your Siemens customer service The ...

Страница 19: ...aphic systems designed for use in wards intensive care and premature birth wards emergency departments operating theatres as well as the central X ray department Special Features Combined battery mains power operation MOBILETT XP Hybrid only Double articulated arm system for extended reach Small and compact for quick and easy handling ...

Страница 20: ...LETT 1 Hanger for lead apron 2 Arm system 3 Remote sensor Option 4 DAP display Option 5 Exposure release switch 6 Control and display panel 7 Transport handle 8 Brake handle of hand parking brake 9 Main switch Mode selection switch 10 Power cable 11 Brake handle for cable winder 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 MOB00647 23 ...

Страница 21: ...partment 13 Support wheels 14 Carriage unit 15 Remote control Option 16 Remote holder Option 17 Potential equalizer connector 18 Transport safeguard 19 Vertical column 20 DAP Ionization chamber Option 21 Collimator 22 X ray radiator 23 Collimator light button on both sides ON OFF ...

Страница 22: ...30 621 01 03 02 20 of 106 Main switch The switch for switching the MOBILETT XP XP Hybrid on and off is located on the front of the device 1 Key position OFF O 2 Key position ON I The key switch can be used to switch off radiation if a fault occurs ...

Страница 23: ...tching between mains power operation and battery operation 1 Position OFF 2 Position Mains Power Operation 3 Position Battery Operation In order to protect the generator it is not possible to switch directly from position 2 to position 3 and vice versa You always have to stop at position 1 and enable the switch before you can turn the requested position ...

Страница 24: ... 230 621 01 03 02 22 of 106 Motor Driving Control 1 Direction control forwards reverse 2 Speed control slow fast 3 Safety switching elements back of the motor control Motor Driving Control is available for MOBILETT XP Hybrid only MOB00281 1 2 3 ...

Страница 25: ...21 01 03 02 23 of 106 X ray Tube Assembly with Multi leaf Colli mator 1 Handle 2 Measuring tape 3 Adjustment knobs for the collimator 4 Slots for additional filters and DAP Ionization chamber Option 5 Angle gauge SCALE INDEX MOB00382 1 2 3 4 5 ...

Страница 26: ...Functional description Operator Manual SPR8 230 621 01 03 02 24 of 106 Hanger for lead apron Remove lead apron before positioning the tube ...

Страница 27: ... 2 mAs display and mAs adjust buttons for increase and reduction 3 LED Display ready for operation GREEN 4 LED Display Exposure YELLOW 5 LED Display Mains power operation YELLOW 6 Battery indicator Error RED 7 Battery charge indicator Low YELLOW 8 Battery charge indicator Medium YELLOW 9 Battery charge indicator Full YELLOW 10 Collimator light button ...

Страница 28: ...nd next to the transport safeguard This will ensure that the MOBILETT has the same electrical potential as other units connected to the same Protective Earth Terminal Arm system The MOBILETT is provided with a counterbalanced double articulated arm system The X ray tube assembly and the arm system remain in position without any additional locks Hand Parking brake 1 Hand Parking brake 1 MOB00284 ...

Страница 29: ...ns The following accessories and options are available Name Material No Manufacturer Options DAP measuring system 839 1919 Siemens Remote control 839 1927 Siemens Accessories Pediatric filter 2 4 mm 0971 4981 Siemens Pediatric filter 4 3 mm 0971 4999 Siemens Angle gauge 90240 19 Siemens ...

Страница 30: ...Functional description Operator Manual SPR8 230 621 01 03 02 28 of 106 Options DAP measuring system Option Display and control panel 1 Display unit in µGym 2 2 Test button 3 Reset button µGym 2 1 2 3 ...

Страница 31: ...Functional description MOBILETT SPR8 230 621 01 03 02 29 of 106 DAP Ionization chamber 1 DAP Ionization chamber connector 2 DAP Ionization chamber 2 1 MOB00465 ...

Страница 32: ...cription Operator Manual SPR8 230 621 01 03 02 30 of 106 Remote control Option 1 Infrared window 2 Battery indicator 3 Exposure release switch 4 Collimator light button ON OFF 5 Battery compartment 1 MOB00212 2 3 4 5 ...

Страница 33: ...s designed to reduce radiation dose in examinations of children and if applicable adults They are available with 2 4 mm and 4 3 mm thickness and are inserted in the colli mator slots The filters do not affect results of routine examinations Angle gauge The angle gauge is designed for fine adjustment of the X ray radiator position during an examination ...

Страница 34: ...Functional description Operator Manual SPR8 230 621 01 03 02 32 of 106 ...

Страница 35: ...selec tion switch to mains power operation The MOBILETT is mains supply operated or Pull out the plug if necessary Turn the mode selection switch to battery operation The MOBILETT is battery operated During the use of the device for x ray imaging no other electrical devices may be used on the same fused power line When operated in battery mode the device may not be connected to the mains ...

Страница 36: ...d position Switch on the collimator light Check that the light field is parallel with the sides of the cassette adjust by turning the MOBILETT and the collimator Set the appropriate film focus distance using the built in measuring tape Place the detachable protractor on the cassette and read the inclination of the cassette Adjust the tube assembly Collimate the radiation field for the desired imag...

Страница 37: ...osition Switch on the collimator light Check that the light field is parallel with the sides of the cassette adjust by turning the MOBILETT and the collimator Set the appropriate SID using the built in measuring tape Place the detachable protractor on the cassette and read the inclination of the cassette Adjust the tube assembly Collimate the radiation field for the desired image size and select e...

Страница 38: ...the power cable to the wall outlet The batteries will now be charged automatically The device always loads when it is connected to the mains and the main switch is turned to position O When the MOBILETT XP Hybrid is not used always turn the main switch to position O In battery mode the device may not be connected to the mains ...

Страница 39: ...osition Battery Operation or Mains Power Operation after about 30 seconds the green Ready lamp lights up The generator is now ready for operation Activating in Stand by mode If the MOBILETT XP Hybrid is not used for 10 minutes it switches off automati cally Turn the main switch counterclockwise beyond position I until the display switches on Should the green Ready lamp not light up there is a malf...

Страница 40: ...al SPR8 230 621 01 03 02 38 of 106 Preparing exposure Position the MOBILETT Pre position the MOBILETT Release the arm system and lift up the tube assembly Place the cassette at the required position Frontal Exposure MOB00287 ...

Страница 41: ...Operation MOBILETT SPR8 230 621 01 03 02 39 of 106 Lateral Exposure Angle Adjustment MOB00288 MOB00289 ...

Страница 42: ...r light Set the appropriate film focus distance using the built in measuring tape Turn the collimator until the light field is parallel with the sides of the cassette Place the detachable protractor on the cassette Read the inclination angle and adjust it Collimate the radiation field for the desired image size ...

Страница 43: ...ndicating the chosen Source Image Distance SID Follow the vertical line and read off the value on the x axle indicating the scale index Set the adjustment knobs for the collimator according to the scale index value This adjustment gives a field size which corresponds to the size of the cassette In those cases when the object to expose is smaller than the size of the cassette reduce the field size ...

Страница 44: ...focus distance of 150 cm are preset 1 Cassette size 2 Scale index Find 38 cm 15 on the y axis Follow the horizontal line until it crosses the inclined line for SID 150 cm 60 Follow the vertical line downwards until it crosses the x axis in this case at scale index 10 Turn the adjustment knob until value 10 faces the arrow 1 2 MOB00200 ...

Страница 45: ...o easily change the density or contrast of the film Therefore the kV and mAs may appear to change in odd steps This will however allow logical density and contrast adjustments Exposure points are set by Siemens customer service Examples can be found in chapter Dosimetry Page 93 Selecting exposure parameters Press the kV or mAs buttons briefly The exposure value increases decreases by one step Hold...

Страница 46: ...106 Exposure Release With exposure release switch The exposure release switch is a two step switch 1 Original setting 2 Preparation Duration 2 5 s Ready after four short beeps 3 Exposure Duration As long as the indicator is lit and the signal sounds 1 2 3 ...

Страница 47: ...e Press the switch to the second position The amber exposure indicator lights during the exposure The indication lasts somewhat longer than the actual exposure in order to make the operator aware of very short exposures A longer beep indicates the end of the expo sure If exposure is not released within 15 s the preparation will automatically be inter rupted and display message ERR 25 appears It is...

Страница 48: ...y within three minutes after use 2 Collimator light button ON OFF Press to turn on collimator light 3 Infrared window 4 Low battery indicator Illuminates when battery is low and needs to be replaced 5 Exposure release switch Press once to activate preparation Press again and hold to make the exposure 6 Battery compartment 9 volt alkaline included The remote finder and the low battery indicator are...

Страница 49: ... control at the remote sensor on the front arm of the X ray machine Caution Other infrared remote controlled systems are in line of sight when operating the remote control Interferences with other systems possible Make sure that no other infrared remote controlled systems are in line of sight including systems behind a window or lead glass Power down other infrared remote controlled systems in lin...

Страница 50: ...l exposure in order to make the operator aware of very short exposures A longer beep indicates the end of the exposure After the exposure is completed both the X ray unit and remote control will automatically return to stand by mode Finishing operation Return the remote control back to the remote holder on the X ray unit If exposure is not released within 15 s the preparation will automatically be...

Страница 51: ...P value will show on the DAP display in the unit µGym 2 Micro Gray square meter You must reset the DAP value prior to exposure using the Reset button During the reset make sure all segments of the DAP display light up For multiple exposures the DAP value will accumulate If DAP values for every single exposure are wanted reset the DAP display by pressing the Reset button after each exposure When th...

Страница 52: ... cable out of the wall outlet 1 Hold the power supply cable in your hand 2 while gently pulling the brake handle The power cable is totally rewinded into the unit Switch the MOBILETT off immediately if it is no longer used 1 2 MOB00383 Warning Uncontrolled movements when rewinding the power cable Risk of injury Hold the power supply cable in your hand while gently pulling the brake handle ...

Страница 53: ... the brake The MOBILETT cannot be moved with normal hand power A slight skip is acceptable when using more force Check the function of the transport safeguard for the arm system Check that the arm system handle has locked in position when secured with the transport safeguard If you find an error please notify Siemens customer service ...

Страница 54: ...er The motor power will be shut off until the MOBILETT slows down again This is to prevent possible accidents where the operator loses control of the MOBILETT Check that the power cable is not connected to a wall outlet Turn the mode selection switch to position battery operation Main switch key On The maximum incline for the motordrive is 7 As long as one of the motor operation keys is pressed th...

Страница 55: ...iving knobs on the handle Driving manually Check that the power cable is not connected to a wall outlet Drive the device manually For single hand operation the direction knob and the safety switch element on the back side of the handle have to be activated simultaneously If the MOBILETT is not moving Release the handbrake if it is activated Charge the batteries if necessary MOB00077 2 1 3 For spee...

Страница 56: ...nual SPR8 230 621 01 03 02 54 of 106 Tilting the MOBILETT The unit has two support wheels to facilitate the movement over thresholds and similar obstacles Press down the transport handle The front wheels are lifted MOB00282 ...

Страница 57: ...ency the unit is stopped Parking the MOBILETT Pull the brake handle upwards Pull the handle to the left into park position The hand brake also serves as a parking brake Releasing the parking brake Pull the brake handle upwards Pull the brake handle to the right and release it Caution Parking on planes at an inclination of 10 There is a risk that the device may tilt over Avoid an inclination of 10 ...

Страница 58: ...Operation Operator Manual SPR8 230 621 01 03 02 56 of 106 ...

Страница 59: ...n The message remains or appears again Please notify Siemens Customer Service If the message Pause appears the capacitor loader is overheating Wait until the message disappears If error 3 ERR 3 appears Switch the unit off and wait until the single tank cools down See the tube housing cooling curve If the message ERR 25 appears exposure has not been triggered within the max preparation time of 15 s...

Страница 60: ...Messages Operator Manual SPR8 230 621 01 03 02 58 of 106 ...

Страница 61: ...dose area product DAP µGy x m 2 is a measure both of the absorbed radi ation dose and of the area exposed The dose area product depends on the X ray tube voltage U kV the quantity of charge Q mAs the permanent inherent filtration of the single tank mm Al the adjustment of the collimator Sx and Sy To get the correct DAP value it is important that no part of the radiation field extends outside the o...

Страница 62: ... m2 mAs for tube voltage range 60 120 kV The value of Y can be considered a conversion factor to determine the radia tion dose area product DAP The diagram shows the maximum values of Y for the MOBILETT family This implies that in most cases the estimated DAP is somewhat higher than the actual DAP Diagram 1 ...

Страница 63: ... x k Y µGy x m 2 mAs conversion factor Sx scale index value for collimator adjustment x axis Sy scale index value for collimator adjustment y axis Q mAs quantity of charge during exposure k cm 2 m 2 constant k 6 40 cm 2 m 2 Read the value of Y µGy x m 2 mAs from Diagram 1 corresponding to the tube voltage kV used during exposure Calculate the dose area product DAP with Equation 1 ...

Страница 64: ...tion DAP Exposure with U 85 kV Q 10 mAs and scale index values for collimator adjust ment Sx 10 und Sy 10 Scale index value for collimator adjustment From Diagram 1 read the corresponding value of Y for U 85 kV Y 57 µGy x m2 mAs 10121416 8 6 4 10 20 30 40 50 60 70 60 70 80 90 U 85 Y 57 ...

Страница 65: ...ation MOBILETT SPR8 230 621 01 03 02 63 of 106 Calculate the dose area product with Equation 1 DAP 57 µGy x m 2 mAs x 10 x 10 x 10 mAs x 6 40 cm 2 m 2 364800 µGycm 2 Since 1000 µGy 1 mGy DAP 364 800 µGycm 2 365 mGycm 2 ...

Страница 66: ...e source to skin distance r m the permanent inherent filtration of the single tank mm Al Estimate the radiation dose The radiation dose D is calculated with Equation 2 Equation 2 D Y x Q r 2 Y µGy x m 2 mAs conversion factor Q mAs quantity of charge during exposure r m source to skin distance Use the built in measuring tape to determine r Read the value of Y µGy x m 2 mAs from Diagram 1 correspond...

Страница 67: ...70 kV Q 20 mAs and source to skin distance r 1 05 m From Diagram 1 read the corresponding value of Y for U 70 kV Y 37 µGy x m 2 mAs The radiation dose D is calculated with Equation 2 D 37 µGy x m 2 mAs x 20 mAs 1 05 2 671 µGy The radiation dose at a distance of 1 05 m with tube voltage 70 kV and 20 mAs is D 671 µGy ...

Страница 68: ...Radiation Calculation Operator Manual SPR8 230 621 01 03 02 66 of 106 ...

Страница 69: ... pressing the mAs button twice will increase film density by 25 If double density is desired press the kV button three times or the mAs button six times Observe that changing the kV affects both the density and the contrast If an exposure yields accurate density but should be higher in contrast it can easily be adjusted Pressing the kV button once using whole exposure points and the mAs button twi...

Страница 70: ...he following example will be doubled by pressing the mAs button six times Example 2 Doubling the density using kV Adjusting the kV will affect both density and contrast The density in the following example will be doubled by pressing the kV button three times whole exposure points 70 kV 70 kV 20 mAs 40 mAs 81 kV 70 kV 20 mAs 20 mAs ...

Страница 71: ...T SPR8 230 621 01 03 02 69 of 106 Example 3 Keeping the density the same but changing contrast By pressing the kV button once and the mAs button twice the density will remain the same but yield higher contrast 66 kV 70 kV 20 mAs 25 mAs ...

Страница 72: ...The Exposure Point System Operator Manual SPR8 230 621 01 03 02 70 of 106 ...

Страница 73: ...er cable Do not use the MOBILETT if the power cable is damaged Visual check of the collimator functions Switch on the collimator lamp and check that the light field can be adjusted with the knobs on the collimator Check the exposure indicator lamp during exposure Check that the audible signal indicates the end of the exposure Check the measuring tape regarding function Check that the tube assembly...

Страница 74: ...ction Labels Page 99 If any labels must be replaced please notify Siemens customer service DAP Measuring System Option The test displays a value default is 100 0 µGym 2 If the test value is not between 80 120 µGym 2 the system should be calibrated Press the Test button if you want to perform the system test The calibration of the chamber must be checked in accordance to national regu lations or la...

Страница 75: ... Interval Operations to perform 12 months Mechanical test 12 months Functional check 12 months Checking of image quality 12 months Checking of kV mAs accuracy 12 months Electrical safety checks 12 months USA only Checking of reproducibility Interval Material Material No 12 months Collimator lamp 8392016 24 months Battery pack left BK1 BK2 08392024 24 months Battery pack right BK3 BK4 08392032 48 m...

Страница 76: ...Functional and Safety Checks Operator Manual SPR8 230 621 01 03 02 74 of 106 ...

Страница 77: ...r Wipe the MOBILETT with a cloth moistened with water or a lukewarm diluted aqueous solution of a household dish washing liquid Cleaning of DAP chamber Option Wipe the MOBILETT with a cloth moistened with water or a lukewarm diluted aqueous solution of a household dish washing liquid Caution The cleaning fluid has penetrated into the equipment The MOBILETT is damaged Do not spray the equipment Cau...

Страница 78: ...nts sprays must be used since the spray mist may penetrate into the equipment which means the safety of the equipment can no longer be assured damage to electronic components formation of flammable air solvent vapour mixtures Use fluid disinfectants only As is known some components of disinfectants are detrimental to health Their concentration in respiratory air must not exceed a legally determine...

Страница 79: ... 25 kW at 102 kV 100 ms for MOBILETT XP acc to IEC 60 601 2 7 20 kW at 102 kV 100 ms for MOBILETT XP ECO acc to IEC 60 601 2 7 133 kV max for MOBILETT XP XP Hybrid 125 kV max for MOBILETT XP XP ECO 450 mA max for MOBILETT XP XP Hybrid 400 mA max for MOBILETT XP XP ECO kVp range 40 133 kV in 24 or 47 steps for MOBILETT XP XP Hybrid 40 125 kV in 23 or 45 steps for MOBILETT XP ECO kV accuracy 3 kV 40...

Страница 80: ...5 mAs 0 5 110 mAs 0 5 100 mAs 0 5 90 mAs 0 5 80 mAs 0 5 71 mAs 0 5 63 mAs 0 5 56 mAs 0 5 50 mAs range Tube current and exposure time product Battery Operation MOBILETT XP Hybrid only At 40 81 kV At 83 90 kV At 96 102 kV At 109 117 kV Up to 133 kV mAs 0 32 360 mAs 0 32 320 mAs 0 32 280 mAs 0 32 250 mAs 0 32 220 mAs accuracy 0 32 mAs 2 mAs 0 1 mAs 2mAs 5 Shortest exposure time 1 ms for MOBILETT XP X...

Страница 81: ...c trical shock Class 1 equipment no applied part Protection against ingress of water Not protected IPXO Use in the presence of flammable gases The equipment is not appropriate for operation in the presence of flammable mixtures of anaesthetics with air oxygen or laughing gas Mode of operation Continuous operation ...

Страница 82: ...g assembly Totally min 1 6 mm Al at 70 kVp min 1 5 mm Al at 70 kVp min 3 1 mm Al according to IEC 60 522 Collimator Manually adjustable multi leaf collimator rotatable 90 Collimator light and light field intensity Halogen lamp min 180 lux at 1 m SID Tube housing assembly Maximum temperature 60 C maximum 2000 mAs h nominal continuous rating 75 W until the covers reach 60 C Leakage technique factors...

Страница 83: ... all TechSwitch remote exposure switch systems Technology Infrared light beam line of sight operation will operate through glass and lead glass will not operate through doors or walls Power supply of the remote control 9 volt alkaline battery included 25 000 exposures Low Battery Indicator illu minates when battery needs to be replaced Signature Recognition by Remote Sensor Proprietary coding Oper...

Страница 84: ...wer on Chamber light transmis sion 70 Energy dependence 50 150 kV 8 related to 100 kV IEC 60 580 40 50 kV 3 related to 50 kV Reproducibility 99 under constant pressure and temperature DAP resolution 0 1 µGym2 0 01 µGym2 when using a system with high sensitivity Maximal measurable DAP 1 x 106 µGym2 1 x 105 µGym2 when using a system with high sensitivity Dose rate linearity 2 deviation Operation Tra...

Страница 85: ...power cable between the power plug and the unit Cable winder Complete cable winder containing of the power cable and the cable winder Exposure cord The coiled cord between the detachable IR remote control and the unit Collimator lamp The halogen lamp inside the collimator which is used to indicate the size of the X ray field Backup battery The battery placed on circuit board D916 which supplies th...

Страница 86: ...a Operator Manual SPR8 230 621 01 03 02 84 of 106 Dimensions mm 110 300 1507 316 1280 150 564 480 400 380 440 468 135 70 1030 525 300 110 105 470 910 1280 1100 316 45 90 0 0 2145 2240 1565 165 165 0 0 Focus MOB00607 ...

Страница 87: ...01 03 02 85 of 106 Tube Rating Charts Tube loading curve Tube cooling curve 600 500 400 300 200 100 0 01 0 02 0 05 0 1 0 2 0 5 1 2 5 10 20 50 100 3 0 k V 4 0 k V 5 0 k V 60 kV 70 kV 80 kV 90 kV 100 kV 110 kV 120 kV 130 kV 135 kV mA Time s ...

Страница 88: ...Technical Data Operator Manual SPR8 230 621 01 03 02 86 of 106 Tube housing heating curve 75 W environmental temperature 22 C Tube housing cooling curve ...

Страница 89: ...g documents Portable and mobile RF communications equipment can affect medical electrical equipment External cables Power cable 6 m Exposer cable 5 m coiled cord Warning The use of accessories transducers and cables other than those specified with the exception of transducers and cables sold by the manufacturer of the equip ment or system as replacement parts for internal components may result in ...

Страница 90: ...interference in nearby elec tronic Equipment RF emissions CISPR 11 Class B The Mobilett XP is suitable for use in all establish ments including domestic establishments and those directly connected to the public low voltage power supply network that supplies buildings used for domestic purposes Harmonic emmisions IEC 61 000 3 3 Not applicable Voltage fluctuations flicker emissions IEC 61 000 3 3 No...

Страница 91: ...viron ment Surge IEC 61 000 4 5 1 kV differential mode 2 kV common mode 1 kV differential mode 2 kV common mode Mains power quality should be that of a typical commercial or hospital environ ment Voltage dips short interruptions and volt age variations on power supply input lines IEC 61 000 4 11 5 UT 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycles 70 UT 30 dip in UT for 25 cycles 5 UT 9...

Страница 92: ...ters m Field strengths from fixed RF transmitters as determined by an electromagnetic site survey a should be less than the compliance level in each frequency range b Interference may occur in the vicinity of Equip ment marked with the following symbol NOTE 1 At 80 MHz and 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation...

Страница 93: ...BILETT SPR8 230 621 01 03 02 91 of 106 The use of the accessory transducer or cable with equipment and systems other than those specified may result in increased emission or decreased immunity of the equipment or system ...

Страница 94: ...r of transmitter W Separation distance according to frequency of transmitter m 150 kHz to 80 MHz d 1 2 x P 1 2 80 MHz to 800 MHz d 1 2 x P 1 2 800 MHz to 2 5 GHz d 2 3 x P 1 2 0 01 0 12 0 12 0 23 0 1 0 38 0 38 0 73 1 1 2 1 2 2 3 10 3 8 3 8 7 3 100 12 12 23 For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be estimated using the ...

Страница 95: ...0 w o 400 Sinus a 115 70 16 w o 400 Sinus lat 115 70 12 5 w o 400 Object Position SID KV mAs Grid Sensitivity class Lung a 130 133 1 25 w o 200 Lung Heart lat 130 133 1 6 w o 200 Lung Infant a 130 52 60 0 63 w o 200 Lung Heart Infant lat 130 60 70 0 80 w o 200 Ribs 1 7 a 115 66 4 w o 400 Ribs 8 12 a 115 70 12 5 w o 400 Sternum a 115 63 10 w o 400 Sternum lat 115 66 10 w o 400 Claviculum a 115 60 3...

Страница 96: ... Stomach Survey a 115 73 16 w o 400 Stomach Survey lat 115 77 25 w o 400 Object Position SID KV mAs Grid Sensitivity class Cervical vertebræ a 130 70 16 w o 400 Cervical vertebræ lat 130 70 16 w o 400 Cervical vertebræ obl 130 70 16 w o 400 Thoracic vertebræ a 115 73 16 w o 400 Thoracic vertebræ lat 115 81 12 5 w o 400 Lumbar vertebræ a 115 77 10 w o 400 Lumbar vertebræ lat 115 90 20 w o 400 Lumba...

Страница 97: ...ion SID KV mAs Grid Sensitivity class Shoulder a 115 60 8 w o 200 Shoulder axial 105 57 8 w o 200 Upper arm a lat 105 52 5 w o 200 Elbow a 105 52 3 2 w o 200 Elbow lat 105 52 4 w o 200 Forearm a 105 52 3 2 w o 200 Forearm lat 105 52 4 w o 200 Wrist d v 105 52 1 25 2 5 w o 200 100 Wrist lat 105 52 2 5 5 w o 200 100 Hand d v 105 52 1 25 2 5 w o 200 100 Hand lat obl 105 52 1 6 3 2 w o 200 100 Finger ...

Страница 98: ... Position SID KV mAs Grid Sensitivity class Neck of femur axial 105 70 20 w o 200 Femur a lat 105 70 12 5 w o 200 knee a 105 55 6 3 w o 200 knee lat 105 55 5 w o 200 Menisc 105 55 3 2 w o 200 Patella a lat 105 55 3 2 w o 200 Leg axial 105 55 3 2 w o 200 Ankle a 105 55 4 w o 200 Ankle lat 105 52 3 2 w o 200 Heel bone lat 105 52 2 5 w o 200 Heel bone axial 105 52 5 w o 200 Foot lat 105 52 1 6 w o 20...

Страница 99: ... points one step will yield 25 increased film density Increasing the exposure points one step with mAs and decreasing it one step with kV will yield higher contrast but the same density KV Points mAs KV Points mAs KV Points mAs 3 0 5 55 8 6 3 96 19 80 2 0 63 57 9 8 102 20 100 1 0 8 60 10 10 109 21 125 40 0 1 63 11 12 5 117 22 160 41 1 1 25 66 12 16 125 23 200 42 2 1 6 70 13 20 133 24 250 44 3 2 73...

Страница 100: ...Dosimetry Operator Manual SPR8 230 621 01 03 02 98 of 106 ...

Страница 101: ... 621 01 03 02 99 of 106 Labels General information The labels shown below are permanently affixed on the MOBILETT Certain labels are marked with a warning triangle Caution Read the operating instructions Location of Labels CE ...

Страница 102: ...Labels Operator Manual SPR8 230 621 01 03 02 100 of 106 7777 GaDoc 1 in different languages 7777 GaDoc 2 7777 GaDoc 3 7777 GaDoc 4 7777 GaDoc 5 7777 GaDoc 6 in different languages ...

Страница 103: ...T SPR8 230 621 01 03 02 101 of 106 7777 GaDoc 7 7777 GaDoc 8 7777 GaDoc 9 7777 GaDoc 10a only for Canada and USA 7777 GaDoc 10b only for China MOBILETT XP MOBILETT XP HYBRID 7777 GaDoc 10c only for GUS 7777 GaDoc 11 ...

Страница 104: ...Labels Operator Manual SPR8 230 621 01 03 02 102 of 106 7777 GaDoc 12 only for Canada and USA 7777 GaDoc 13 only for USA 7777 GaDoc 14 7777 GaDoc 15 only for China XP XP ECO XP Hybrid ...

Страница 105: ...Index MOBILETT SPR8 230 621 01 03 02 103 of 106 Index ...

Страница 106: ...panel 25 Disposal 16 Batteries 16 Electrolytic Capacitors 16 Plastic Material 16 Radiation Material 16 Transformer Oil 16 Dosimetry 93 Driving mode 52 E Electromagnetic compatibility 87 Emergency Shutdown 10 Environmental conditions 82 Equipotential bonding 26 Explosion Protection 15 Exposure parameters 43 Exposure position Angle Adjustment 39 Frontal 38 Lateral 39 Exposure release switch 44 F Fir...

Страница 107: ...ch 20 Operation 35 Preparation 35 Quick Operational Guide 35 System off 50 Mode selection switch 21 Motor operation 22 O Options 28 P Parking brake 55 Pediatric filters 31 Power supply cable 50 R Radiation field Adjusting 40 Radiation Protection 13 for the operating personnel 13 for the patient 13 for the patient and the operating personnel 13 Remote control 30 46 Repair 14 S Safety Information Ar...

Страница 108: ...chnical Data Batteries MOBILETT XP Hybrid only 81 DAP equipment Option 82 Motordrive 81 Remote control Option 81 X ray Controls and Generator 77 X ray Tube 80 Transport 15 51 Tube Rating Charts 85 V Validity of the Operator Manual 5 W Warnings Structure 6 X X ray Tube Assembly with Multi leaf Collimator 23 ...

Страница 109: ... 621 01 03 02 Printed in Spain Contact address Siemens AG Siemens AG Medical Solutions Wittelsbacherplatz 2 Special Systems D 80333 München Henkestr 127 Germany D 91052 Erlangen Germany Siemens AG 2005 All rights reserved ...

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