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GE Medical Systems
Technical
Publications
Direction 2166913−100
Revision 10
AMX−4+ Operation
(Model 2169360, 2236420 & 2275938
Series)
0459
Copyrighte 1996, 1997, 1998, 1999, 2000, 2002, 2003 By General Electric Co.
Operating Documentation

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Summary of Contents for GE AMX-4+

  • Page 1 GE Medical Systems Technical Publications Direction 2166913−100 Revision 10 AMX−4+ Operation (Model 2169360, 2236420 & 2275938 Series) 0459 Copyrighte 1996, 1997, 1998, 1999, 2000, 2002, 2003 By General Electric Co. Operating Documentation...
  • Page 3 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 Direction 2166913−100 Revision 10 AMX−4+ Operation (Model 2169360, 2236420 & 2275938 Series) IMPORTANT! . . . X-RAY PROTECTION X-ray equipment if not properly practical design...
  • Page 4 (i.e., GE’s field engineers, personnel Power Distribution Unit shall be In performing all electrical work on of third-party service companies with performed by licensed electrical these products, GE will use its own equivalent training, licensed contractors. Other connections specially trained field engineers.
  • Page 5 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 REGULATORY REQUIREMENTS This product conforms with the requirements of Council Directive 93/42/EEC concerning medical devices when it bears the following CE marking of conformity: 0459 Note This equipment generates, uses, and can radiate radio frequency energy.
  • Page 6 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 THIS PAGE INTENTIONALLY LEFT BLANK.

  • Page 7: Table Of Contents

    AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 TABLE OF CONTENTS SECTION TITLE PAGE REVISION HISTORY ..........
  • Page 8 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 THIS PAGE IS LEFT BLANK INTENTIONALLY...
  • Page 9 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 REVISION HISTORY DATE REASON FOR CHANGE Dec. 13, 1996 Initial release. Aug. 22, 1997 Changed Periodic Maintenance Schedule to yearly for all checks. Dec. 1, 1998 Added CE regulatory requirements.
  • Page 10 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 THIS PAGE INTENTIONALLY LEFT BLANK. viii...
  • Page 11 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 SECTION 1 BEFORE YOU BEGIN The instructions in this operation manual are for use with the AMX−4+ Mobile X− ray Unit, Models 2169360 2169360−2 2169360−3 2169360−4...

  • Page 12: Available Options

    AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 The self−stopping bumper, one of many built−in safety devices, helps prevent un- wanted mobility − the motors stop and the brakes activate upon impact with another object.
  • Page 13 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 We think you’ll find the AMX−4+ portable design performs so easily that it seems to nearly run itself. To promote optimum operation of this or any radiographic equipment, however, be sure to read your operator’s manual carefully.
  • Page 14 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 THIS PAGE IS LEFT BLANK INTENTIONALLY 1−4...

  • Page 15: Safety First

    AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 SECTION 2 SAFETY FIRST This equipment is to be used by authorized medical personnel only. Your AMX−4+ is engineered for years of reliable service. To promote optimum safety, be sure to read this manual carefully, before operating the unit.
  • Page 16 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 Under most conditions, cumulative radiation dose to the operator will not ex- ceed recommended maximum permissible levels. However, as with all radia- tion−producing devices, a qualified radiation expert should evaluate situations involving frequent exposures using high kVp and mAs technics to determine if extra protective devices are necessary.

  • Page 17: Operating Controls

    AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 SECTION 3 OPERATING CONTROLS ILLUSTRATION 3−1 AMX−4+ MOBILE X−RAY UNIT (RIGHT REAR VIEW) TELESCOPING ARM Retractable arm supports collimator and x−ray tube. TAPE MEASURE VERTICAL COLUMN Supports telescoping arm.
  • Page 18 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 ILLUSTRATION 3−2 AMX−4+ OPERATOR CONSOLE KEY SWITCH Turn ON to drive the unit or take exposures. Turn OFF to remove key. NOTE: Top of cap key Recharge in ON or OFF positions.
  • Page 19 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 3−1 Turning the AMX−4+ On Steps Be sure to refer to Maintenance and Service in this manual for important information on the circuit breaker. 1. Turn the keyswitch to the ON position.
  • Page 20 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 THIS PAGE INTENTIONALLY LEFT BLANK. 3−4...

  • Page 21: Driving The Amx−4 Plus

    AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 SECTION 4 DRIVING THE AMX−4+ Overview A compact design and dual motor assembly makes driving and maneuvering the AMX−4+ an easy process. If moving down hallways or just traveling from one room to another, you’ll first make sure the telescoping arm is properly positioned and securely latched so maximum speed can be reached.
  • Page 22 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 The drive automatically adjusts to your pace, and can be pushed forward, turned or pulled in reverse at speeds of up to 3 mph (4.8 km per hour).
  • Page 23 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 Steps To drive the AMX−4+, follow these steps: 1. Make sure that the telescoping arm is in the park/transport position and that the battery charging cord is unplugged and fully retracted.
  • Page 24 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 3. Grip the drive handle to activate the motors and disengage the brakes. Now sim- ply steer the unit, like a shopping cart, to your destination.

  • Page 25: Ray Procedure

    AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 SECTION 5 X−RAY PROCEDURE Overview In this section you’ll learn how to setup and position mechanical components of the AMX−4+. Steps for mechanical positioning are organized in the following way.
  • Page 26 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 5−3 Adjustment of Column and Telescoping Arm In the following steps you can free the AMX−4+ components for positioning in one of two ways: by gripping the collimator handle(s) to keep the lock system released or, whenever necessary, overriding the lock system with slight force.
  • Page 27 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 5−4 Tube Unit Rotation Because the tube assembly is counterbalanced, no active lock is required. And little ef- fort is needed to override friction and rotate the tube.
  • Page 28 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 5−5 Adjustment of Collimator The AMX−4+ manual collimator limits patient radiation exposure to a desired area at a given distance from the x−ray tube focal spot.
  • Page 29 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 7. Position the collimator and tube using the field light and crosshair shadow as guides. The crosshair shows the field center. For fine positioning of the collima- tor, see Step 9.
  • Page 30 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 8. Collimate by adjusting the size of the field with the two control knobs located on the front of the collimator. See Illustration 5−6. For fine positioning of the collimator, see Step 9.
  • Page 31 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 9. You may rotate the collimator about its vertical axis (that is, to the right or left) in two ways: by a simple 90_ detent method or by a manual lock method for an angle other than 90_.

  • Page 32: Technique Selection

    AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 5−6 Technique Selection Be sure to refer to the AMX−4+ Exposure Guide (found in the card holder attached to the vertical column) for suggested techniques.
  • Page 33 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 Should you reach a maximum or minimum value, kVp / mAs MAX or kVp / mAs MIN will briefly appear on the message display to alert you.

  • Page 34: Taking Exposures

    AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 5−7 Taking Exposures Check the battery status and message displays for battery condition. It’s important to note that you do not have to raise your kVp or mAs value to compensate for low battery voltage.

  • Page 35: Charging The Batteries/Capacity Gauge Operation

    AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 SECTION 6 CHARGING THE BATTERIES/CAPACITY GAUGE OPERATION Overview Battery charging is as easy as driving the AMX−4+ to a correctly rated wall outlet and plugging the unit in. Ratings are as follows: Models 2169360−7,−8,−9,−10,...
  • Page 36 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 ILLUSTRATION 6−1 BATTERY CHARGING PLUG TO CHARGE THE BATTERY, SIMPLY PLUG THE UNIT INTO ANY Ç CORRECTLY RATED WALL OUTLET. % Charge AT OR NEAR FULL CHARGE, ALL SEGMENTS ARE ILLUMINATED.
  • Page 37 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 ILLUSTRATION 6−2 RELATIVE PERCENTAGE OF DAILY BATTERY DRAIN ATTRIBUTED TO THE VARIOUS AMX−4+ OPERATING MODES (TYPICAL) Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î...
  • Page 38 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 Capacity Gauge Features STUCK AT FULL " FEATURE After the AMX−4+ charges to 100% (i.e. CHARGE COMPLETE" ), the capacity gauge will remain stuck−at−full" for a pre−programmed amount of usage before the number of lit segments begins to decrease.
  • Page 39 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 ILLUSTRATION 6−3 RATING PLATE BATTERY CHARGING PLUG CIRCUIT BREAKER 3. Check the message display to confirm the charging status: the message CHARG- ING should appear on the display.
  • Page 40 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 THIS PAGE INTENTIONALLY LEFT BLANK. 6−6...

  • Page 41: Maintenance And Service

    Qualified Service Available GE Medical Systems, and its associates maintain a worldwide organization of service personnel specially trained on medical x−ray equipment. Consult your GE represen- tative to find out more about all the available service programs.
  • Page 42 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 TABLE 7−1 PERIODIC MAINTENANCE SCHEDULE Maintenance/Checks Frequency Replace counterweight cable Every 5 years Inspect counterweight cable Every year (Refer to Appendix 6 of 2173227−100, AMX−4+...
  • Page 43 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 TABLE 7−2 SAMPLE CHART FOR TECHNIQUE ACCURACY TESTS Technique Selected Primary Volts Time (Sec.) 7−3...
  • Page 44 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 THIS PAGE INTENTIONALLY LEFT BLANK. 7−4...

  • Page 45: Messages On Display

    AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 SECTION 8 MESSAGES ON DISPLAY Two kinds of messages can appear on the message display on the control cover: status messages and error messages. Status messages simply inform you of the operating condition of the AMX−4+, and look something like this.
  • Page 46 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 Status Messages Description AUTO CAL LIMIT If this message displays, the unit is at its automatic calibration limit. A service call is recommended to ensure accurate technique and radiographic results. Exposures are not inhibited.
  • Page 47 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 Status Messages Description READY FOR X−RAY The prep cycle has successfully completed, and an exposure may be taken within the next 30 seconds. (If an exposure is attempted after 30 seconds, the prep cycle must be repeated.)
  • Page 48 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 THIS PAGE INTENTIONALLY LEFT BLANK. 8−4...

  • Page 49: Iec Classification

    AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 SECTION 9 SYMBOLS 9−1 IEC Classification In accordance with International Safety Standard IEC 601, the AMX−4+ Mobile X−ray Unit is classified as Type B Equipment, Class I Equipment, Internally Powered Equipment, Ordinary Equipment and continuous operation.
  • Page 50 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 Indicates non−ionizing radiation is present. Indicates radiographic control. Indicates ionizing radiation is present. X−ray emission. X−ray tube head is emitting x−rays. Take adequate precautions to prevent the possibility of any persons carelessly, unwisely, or unknowingly exposing themselves or others to radiation.
  • Page 51 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 Control for indicating radiation field by using light. Collimator blades closed. The controlled blades are shown in thicker lines. Collimator blades open. The controlled blades are shown in thicker lines.
  • Page 52 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 THIS PAGE INTENTIONALLY LEFT BLANK. 9−4...

  • Page 53: Options

    AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 SECTION 10 OPTIONS 10−1 Dose Area Product (DAP) Meter Full field ion chamber with an integral display unit. The display unit contains electronics controlling total dose area product, system reset and system test.
  • Page 54 AMX−4+ OPERATION GE MEDICAL SYSTEMS (MODEL 2169360, 2236420 & 2275938 SERIES) REV 10 om 2166913−100 THIS PAGE INTENTIONALLY LEFT BLANK. 10−2...
  • Page 56 GE Medical Systems GE Medical Systems: Telex 3797371 P .O. Box 414, Milwaukee, Wisconsin 53201 U.S.A. (Asia, Pacific, Latin America, North America) GE Medical Systems Europe: Telex 698626 283, rue de la Miniére, B.P . 34, 78533 Buc Cedex France...

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