Villa Sistemi Medicali ENDOS AC User Manual
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Villa Sistemi Medicali ENDOS AC User Manual

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ENDOS AC / ACP
0051
User's Manual
User's Manual
User's Manual
User's Manual
Release 30 August 2013 (Rev. 7)

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  • Page 1 ENDOS AC / ACP 0051 User's Manual User's Manual User's Manual User's Manual Release 30 August 2013 (Rev. 7)
  • Page 2 Modified the DP arm label. (Ref. RDM 5938, RDM 6052) 10.01.06 Dose linearity reference measurement time updated. (Ref. RDM 6164) 13.07.07 Directive 2002/96/EC information notice added. 30.08.13 6, 9 Identification labels update. (Ref. RDM 7274) (Rev. 7) ENDOS AC/ACP - CE...
  • Page 3 USER'S MANUAL Revision history THIS PAGE IS INTENTIONALLY LEFT BLANK ENDOS AC/ACP - CE (Rev. 7)

  • Page 4: Table Of Contents

    5.3 Correct use of dosimeters to measure exposure times ......24 5.4 Curves tube features ................26 5.5 Reference standard................30 5.6 Overall dimensions ................32 GENERAL USE INSTRUCTIONS 6.1 "ENDOS ACP" timer................34 6.2 "ENDOS AC" timer................38 6.3 Visual signals ..................40 (Rev. 7) ENDOS AC/ACP - CE...
  • Page 5 This publication can only be reproduced, transmitted, transcribed or translated into any human or computer language with the written consent of the Manufacturer. This Manual is the English translation of the Italian original version. ENDOS AC/ACP - CE (Rev. 7)

  • Page 6: Introduction

    The equipment is controlled by a microprocessor that makes it possible to reproduce exposure times and is composed of the following parts: • Timer: ENDOS AC or ENDOS ACP equipped with wall plate • Extension arm (30 cm, 60 cm or 80 cm for wall version) •...

  • Page 7: Safety Aspects

    X-ray generators. The manufacturer does not accept any responsibility for: • Use of ENDOS AC/ACP equipment for purposes other than those for which it has been designed, • damages to the equipment, the operator, the patient caused both by...

  • Page 8: Warnings

    Before carrying out any maintenance disconnect the equipment from the power line using the circuit breaker provided. ENDOS AC/ACP is an electro-medical device and for this reason can be used only under the supervision of highly qualified medical staff in possession of all the necessary knowledge about X-ray protection.

  • Page 9: Protection From X-Rays

    During exposure, the operator and the patient are the only people allowed in the room. e) The lead aprons should be used to reduce the undesirable effect of secondary radiation on the patient. ENDOS AC/ACP - CE (Rev. 7)

  • Page 10: Environmental Risks And Disposal

    The illegal disposal of the equipment made by the user will cause the application of sanctions according to the local regulations. (Rev. 7) ENDOS AC/ACP - CE...

  • Page 11: Symbols In Use

    Symbols in use Symbols in use Symbols in use Symbols in use The following symbols are used in this manual and in ENDOS AC/ACP, besides the symbols on the keyboard (see chapter 6): Symbol Description Equipment with applied parts Type B A number of machine parts contain materials and liquids that upon completion of the machine’s life cycle must be disposed of at...

  • Page 12: Cleaning And Disinfection

    Parts that come into contact with the patient’s skin Parts that come into contact with the patient’s skin These parts should be disinfected at regular intervals with a 2% Glutaraldeide solution to guarantee hygiene. (Rev. 7) ENDOS AC/ACP - CE...

  • Page 13: Description

    USER'S MANUAL Description 4. 4. 4. 4. DESCRIPTION DESCRIPTION DESCRIPTION DESCRIPTION Identification labels Identification labels Identification labels Identification labels ENDOS AC/ACP - CE (Rev. 7)
  • Page 14 USER'S MANUAL Description ENDOS AC/ACP label Tubehead label Tubehead label (X-ray tube type CEI) (X-ray tube type KAILONG) DP arm Extension arm Collimator 30 cm (optional) label label label (Rev. 7) ENDOS AC/ACP - CE...

  • Page 15: Functions, Models And Versions

    USER'S MANUAL Description Functions, Models and Versions Functions, Models and Versions Functions, Models and Versions Functions, Models and Versions ENDOS AC/ACP intraoral radiographic equipment is composed of the following parts: 4.2.1 4.2.1 4.2.1 4.2.1 Extension arm and scissors arm Extension arm and scissors arm...

  • Page 16: Timer

    4.2.3 4.2.3 4.2.3 Timer Timer Timer Timer The name of ENDOS AC/ACP depends on the type of timer in use: • ENDOS ACP ENDOS ACP ENDOS ACP ENDOS ACP ENDOS ACP is a digital timer with microprocessor where exposure times can be selected both manually and automatically.

  • Page 17: Configurations

    USER'S MANUAL Description Configurations Configurations Configurations Configurations 4.3.1 4.3.1 4.3.1 4.3.1 Standard configuration Standard configuration Standard configuration Standard configuration Figure 1 Tubehead Scissors arm Extension arm Timer X-ray button ENDOS AC/ACP - CE (Rev. 7)

  • Page 18: Remote Timer Configuration

    USER'S MANUAL Description 4.3.2 4.3.2 4.3.2 4.3.2 Remote timer configuration Remote timer configuration Remote timer configuration Remote timer configuration Figure 2 Tubehead Scissors arm Extension arm Wall support (kit code 8161301002) Remote timer X-ray button (Rev. 7) ENDOS AC/ACP - CE...

  • Page 19: Dental Chair Configuration

    Description 4.3.3 4.3.3 4.3.3 4.3.3 Dental chair configuration Dental chair configuration Dental chair configuration Dental chair configuration Figure 3 Tubehead Scissors arm Dental chair extension arm 30 cm Dental chair connection Timer X-ray button ENDOS AC/ACP - CE (Rev. 7)

  • Page 20: Ceiling Configuration

    USER'S MANUAL Description 4.3.4 4.3.4 4.3.4 4.3.4 Ceiling configuration Ceiling configuration Ceiling configuration Ceiling configuration Figure 4 Tubehead Scissors arm Ceiling extension arm Ceiling suspension plate Timer X-ray button (Rev. 7) ENDOS AC/ACP - CE...

  • Page 21: Mobile Stand Configuration

    USER'S MANUAL Description 4.3.5 4.3.5 4.3.5 4.3.5 Mobile stand configuration Mobile stand configuration Mobile stand configuration Mobile stand configuration Figure 5 Tubehead Scissors arm Mobile stand Timer X-ray button ENDOS AC/ACP - CE (Rev. 7)

  • Page 22: Remote X-Ray Button Configuration

    Figure 6 Alternative 1: X-ray button (not supplied) Alternative 2: X-ray button + light signalling of "Ready" or "Exposure in progress" (supplied as kit P/N 6661309500) (Rev. 7) ENDOS AC/ACP - CE...

  • Page 23: Technical Data

    (high voltage value) 70 kVp Tubehead current 8 mA ± 6 % @ nominal voltage KV accuracy ± 13 % @ nominal voltage Tubehead (anode) current accuracy Max. exposure time 3.2 s Timer dimension 345×195×100 mm ENDOS AC/ACP - CE (Rev. 7)
  • Page 24 70 kV Anode tilt 19° 19° Anode material Tungsten Tungsten Rated voltage 70 kV 70 kV Maximum filament current 2.8 A 2.8 A Maximum filament voltage 4.1 V Anode thermal capacity 6 kJ 7 kJ (Rev. 7) ENDOS AC/ACP - CE...
  • Page 25 25.4 kg configuration 60 cm extension arm (standard) 2.9 kg 80 cm extension arm 3.5 kg 30 cm extension arm 1.9 kg Scissors arm 9 kg Timer plus wall plate 5 kg Tubehead 8.5 kg ENDOS AC/ACP - CE (Rev. 7)

  • Page 26: Method For Correcting Exposure Times

    NOTE: ENDOS AC and ENDOS ACP timers work in step with the line frequency, so the calculated time is always rounded off to the multiple of the line frequency itself.
  • Page 27 The qualitative relation between the multiplication factor and the line voltage is shown in the following picture (for equipment configured to work at 230V): Multiplication factor of exposure time to 1,75 the variation of line voltage 1,25 0,75 Line voltage ENDOS AC/ACP - CE (Rev. 7)

  • Page 28: Method For Measuring Technical Factors

    1kΩ resistance and using a memory oscilloscope. Exposure time measurements using non-invasive equipment can lead to systematic errors in exposure time measurements which cannot be quantified and which depend on the equipment used for measuring (see paragraph 5.3). (Rev. 7) ENDOS AC/ACP - CE...

  • Page 29: Correct Use Of Dosimeters To Measure Exposure Times

    Consequently, calculations obtained by these non-invasive methods can erroneously lead to the conclusion that the equipment timer is not accurate. Actually the difference is connected to the method adopted in measuring the exposure time. ENDOS AC/ACP - CE (Rev. 7)
  • Page 30 25% of its maximum value. • Then you subtract this "offset" time from all the device measurements and you proceed with comparing the time measurements displayed by the timer. (Rev. 7) ENDOS AC/ACP - CE...

  • Page 31: Curves Tube Features

    USER'S MANUAL Technical data Curves tube features Curves tube features Curves tube features Curves tube features OCX / 70-G Feature of emission Load ENDOS AC/ACP - CE (Rev. 7)
  • Page 32 USER'S MANUAL Technical data Curve anode cooling Curve tubehead cooling (Rev. 7) ENDOS AC/ACP - CE...
  • Page 33 USER'S MANUAL Technical data KL16 – 0.8 – 70G Feature of emission Filament characteristics ENDOS AC/ACP - CE (Rev. 7)
  • Page 34 USER'S MANUAL Technical data Heat storage (kJ) Curve tubehead cooling (Rev. 7) ENDOS AC/ACP - CE...

  • Page 35: Reference Standard

    EN 60601-2-7 (ed. 1998) regulation defines precisely that for each pair of exposure times (in ENDOS AC/ACP equipment is the only selectable parameter), with a near relation, but lower than 2, dose linearity is calculated by the formula:...
  • Page 36 , before the anodic current reaches the stationary status. In ENDOS AC/ACP equipment, typically the basal dose and the dose emitted in the interval when the anodic current varies between 25%...

  • Page 37: Overall Dimensions

    785 1085 1285 (31" 42-3/4" 50-5/8") 1430 1730 1930 (56-5/16" 68-1/8" 76") (10-5/8") Figure 7: Overall dimensions wall version 120 (4-3/4") 290░ 300 (11-3/4") 730 (28-3/4") 1370 (53-3/4") 270 (10-5/8") Figure 8: Overall dimensions ceiling version ENDOS AC/ACP - CE (Rev. 7)
  • Page 38 USER'S MANUAL Technical data (4-3/4") 290░ 430 (16-7/8") 1070 (54") 270 (10-5/8") 80 (3-1/8") LARG. 20 (3/4") 130 (5 1/8") 743 (29 1/4") Figure 9: Overall dimensions Mobile Stand version (Rev. 7) ENDOS AC/ACP - CE...

  • Page 39: General Use Instructions

    13 "Incisors / Canines" LED "Large size" LED 14 Videography selection key "Medium size" LED 15 "Videography" LED "Small size" LED 16 Increase key "Tooth anatomic" selection key 17 Decrease key "Bite-wing" LED 18 Three figure display ENDOS AC/ACP - CE (Rev. 7)
  • Page 40 Even in this case exposure times vary. An acoustic signal (about ½ second) is linked to each touch of the key linked to switching on the selected function from the LED. (Rev. 7) ENDOS AC/ACP - CE...
  • Page 41 When the READY key is pressed not only will exposure be enabled, but the equipment will also start displaying exposure time on the display calculated according to line voltage fluctuation compensation (see paragraph 5.1). ENDOS AC/ACP - CE (Rev. 7)
  • Page 42 Value setting and the setting of the exposure time reduction factor in digital selection by the operator are described in paragraph 7.5.3. NOTE: This key and the connected functions, can be disabled by the Technical Service in the set-up phase. (Rev. 7) ENDOS AC/ACP - CE...

  • Page 43: Endos Ac" Timer

    Figure 11: Control keyboard ENDOS AC NOTE: ENDOS AC timer is provided with Stand By function, so if a key is not pressed for 5 minutes the timer goes into stand-by (low consumption), shown on display by the presence of the decimal point on the right only.
  • Page 44 Equipment enabling key Equipment enabling key Equipment enabling key For additional safety, ENDOS AC timer is provided with the "Exposure enabling" function. X-rays can be emitted only after pressing the key The equipment enabled signal is displayed on the keyboard by switching on the corresponding green signal.

  • Page 45: Visual Signals

    3. At the end, if you press the X-ray button with exposure not enabled, the display shows the latest actual exposure time. ENDOS AC/ACP - CE (Rev. 7)

  • Page 46: Equipment Use

    NOW THE EQUIPMENT IS READ NOW THE EQUIPMENT IS READY FOR USE. Y FOR USE. NOW THE EQUIPMENT IS READ NOW THE EQUIPMENT IS READ Y FOR USE. Y FOR USE. (Rev. 7) ENDOS AC/ACP - CE...

  • Page 47: Equipment Preparation

    (see Table 1). Exposure times shown are those suggested for Ultra Speed Kodak films (Type D). 0.25 0.32 0.50 0.36 0.63 0.80 0.32 0.50 0.70 0.32 0.50 0.70 0.25 0.32 0.50 Table 1 ENDOS AC/ACP - CE (Rev. 7)

  • Page 48: Preparation Of The Timer For Radiographic Use With Manual Selection Of Exposure Times

    - 0.25 - 0.30 - 0.32 - 0.36 - 0.40 - 0.45 - 0.50- 0.54 - 0.60 - 0.63 -0.70 - 0.80 - 0.90 - 1.00- 1.25 -1.30 - 1.40 - 1.60 - 2.00 - 2.50 - 3.00 - 3.20 Table 2 NOTE: See paragraphs 5.1, 5.2, 5.3. (Rev. 7) ENDOS AC/ACP - CE...

  • Page 49: Preparation Of The Timer For Digital Radiography (Videoradiography) Use With Automatic Selection Of Exposure Times (Only Endos Acp Version)

    To return to radiographic automatic selection press key again. NOTE: The digital exposure time reduction factor can be modified by the Service Technician during setting up or directly by the user (see paragraph 7.5.3). ENDOS AC/ACP - CE (Rev. 7)

  • Page 50: Preparation Of The Tubehead

    Anatomical preset times are no more valid when 30cm cone is mounted. Typically times necessary to obtain the same optical density must be multiplied by a factor 2.25, operating in manual exposure time selection. (Rev. 7) ENDOS AC/ACP - CE...
  • Page 51 USER'S MANUAL Equipment use LOWER JAW (MANDIBLE) -15° -15° INCISIVI CANINI incisors canines incisives canines -10° -5° PREMOLARI MOLARI premolars molars prémolaires molaires Figure 12 ENDOS AC/ACP - CE (Rev. 7)
  • Page 52 USER'S MANUAL Equipment use UPPER JAW +40° +40° INCISIVI CANINI incisors canines incisives canines +30° +20° PREMOLARI MOLARI premolars molars prémolaires molaires Figure 13 (Rev. 7) ENDOS AC/ACP - CE...
  • Page 53 USER'S MANUAL Equipment use OCCLUSAL +65° 0° MASCELLA MANDIBOLA upper jaw lower jaw machoire mandibule Figure 14 BITE WING film 0° rc = RAGGIO CENTRALE main beam rayon central Figure 15 ENDOS AC/ACP - CE (Rev. 7)

  • Page 54: Exposure Techniques

    Figure 16 Legend Figure 16: A – Tooth longitudinal axis B – Bisecting line C – Film level D - Occlusal level RC - X-ray beam (Rev. 7) ENDOS AC/ACP - CE...
  • Page 55 (see Figure 17), in order to avoid a superimposition of the structures (see Figure 18). Figure 18 Figure 17 (Wrong position) (Correct position) Legend Figure 17 and Figure 18 RC – X-ray beam ENDOS AC/ACP - CE (Rev. 7)

  • Page 56: Parallel Technique

    This technique enables you to get more accurate and more easily repeatable X-rays compared with the bisecting technique (see Figure 19 and Figure 20). HORIZONTAL SECTION film Figure 19 VERTICAL SECTION Figure 20 (Rev. 7) ENDOS AC/ACP - CE...

  • Page 57: Exposure

    (32 times the exposure time); this situation is shown by the flashing of the machine enabling light, while the time that must elapse before the pause end is shown on the display. ENDOS AC/ACP - CE (Rev. 7)
  • Page 58 NOTE: The real exposure time corrected according to the line voltage variation does not include the necessary pre-ignition time so that the anodic current reaches 25% of the final value. (Rev. 7) ENDOS AC/ACP - CE...

  • Page 59: Special Functions

    "increase" or "decrease". c) Press the key "decrease" to display the figures between 0 and 999. The example shown is the same as reading 1601 exposures (001+601=1601). To go back to stand-by status press key ENDOS AC/ACP - CE (Rev. 7)

  • Page 60: Selection Of Multiplication Factor For Different Types Of Film

    NOTE: This parameter is displayed only for the "ENDOS ACP" version, as the "ENDOS AC" version does not include the use of "automatic" selection. This particular function enables the operator to vary the duration of exposure according to the film speed (so affecting the quality of X-ray image).
  • Page 61 Video-X-ray-Digital (see paragraph 7.5.3). NOTE: If you do not want to modify the multiplication factor for Video-X-Ray- Digital, press key again. ENDOS AC/ACP - CE (Rev. 7)

  • Page 62: Selection Of Multiplication Factor For Video-X-Ray-Digital

    NOTE: This parameter is displayed only for "ENDOS ACP" version, as the "ENDOS AC" version does not include the "digital function" selection use. This particular function enables the operator to vary the length of X-ray emission according to the sensitivity of the digital acquisition system in use.

  • Page 63: Messages On Display

    MESSAGES ON DISPLAY MESSAGES ON DISPLAY MESSAGES ON DISPLAY The ENDOS ACP or ENDOS AC timer display is also used to display messages identifying the equipment status. These messages are connected to the conditions affecting X-ray emission or error conditions that occurred during normal working.
  • Page 64 To reset this alert press any "increase" or "decrease" key. NOTE: If the equipment suffers a Software crash, there is a safety timer in the hardware that will cut off exposure after a maximum of 5.5 seconds. (Rev. 7) ENDOS AC/ACP - CE...
  • Page 65 When the cool down is over the device goes back to the IDLE state. NOTE: Before starting a new exposure, replace the film to avoid a double exposure with meaningless diagnostic results. ENDOS AC/ACP - CE (Rev. 7)

  • Page 66: Error Signalling

    Error signalling Error signalling Error signalling The ENDOS ACP and ENDOS AC timers are equipped with sophisticated diagnostics that allow you to monitor all operating phases and related safety devices. Error messages which can be displayed are divided into three types: •...

  • Page 67: Non Re-Settable Errors

    "Decrease" key pressed at Absent Check the control start-up keyboard and if necessary call Technical Service WARNING: "E02" In the event of an error signal, switch the equipment off immediately because there is undesirable exposure. ENDOS AC/ACP - CE (Rev. 7)

  • Page 68: Non Fatal Errors In Start-Up Phase

    The display signals the user the type of trouble found in the following way: DISPLAY Acoustic ANOMALY Type signal signal SIZE selection key pressed at start-up Absent Tooth ANATOMIC key pressed at start-up Absent (Rev. 7) ENDOS AC/ACP - CE...

  • Page 69: Errors In Exposure Phase

    DISPLAY Checks and operations ANOMALY type X-rays exposure signal to execute Hardware timer Exposure finished Switch equipment off and intervention by hardware timer start again, if the trouble still exists call Technical Service ENDOS AC/ACP - CE (Rev. 7)

  • Page 70: Dental X-Rays

    If the film is exposed to the wrong side, the lead layer will absorb a large amount of radiation during exposure. The result will be a lighter X-ray and the film will show fishbone marks. (Rev. 7) ENDOS AC/ACP - CE...
  • Page 71 If the film is kept in a warm water bath too long (for instance, all night), the emulsion can soften and partially come off the base of the film. After development, the film will be scratched. ENDOS AC/ACP - CE (Rev. 7)

  • Page 72: Typical Faults Caused By Wrong Positioning

    X X X X - - - - rays with extended apex of the tooth rays with extended apex of the tooth rays with extended apex of the tooth rays with extended apex of the tooth Probably caused by excessive folding of the film in the patient’s mouth. (Rev. 7) ENDOS AC/ACP - CE...

  • Page 73: Maintenance

    • check the scissors arm balance WARNING: If you find irregularities or damages the operator must inform the Technical Service immediately. ENDOS AC/ACP - CE (Rev. 7)
  • Page 74 Technician....Cause ..........Maintenance: Date ..... Technician....Cause ..........Maintenance: Date ..... Technician....Cause ..........Maintenance: Date ..... Technician....Cause ..........Maintenance: Date ..... Technician....Cause ..........Maintenance: Date ..... Technician ....Cause ..........(Rev. 7) ENDOS AC/ACP - CE...
  • Page 75 USER'S MANUAL Maintenance THIS PAGE IS INTENTIONALLY LEFT BLANK ENDOS AC/ACP - CE (Rev. 7)
  • Page 76 Cod. 6961901103_Rev. 7 0051 VILLA SISTEMI MEDICALI S.p.A. Via Delle Azalee, 3 20090 Buccinasco (MI) – ITALY Tel. (+39) 02 48859.1 Fax (+39) 02 4881844...

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