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Bedfont toxCO User Manual

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ToxCO
®
User manual
Helping to determine levels of CO poisoning.

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Summary of Contents for Bedfont toxCO

  • Page 1 ToxCO ® User manual Helping to determine levels of CO poisoning.

  • Page 2: Important Information/Reminders

    CAUTION: Portable and mobile RF communications equipment can affect the ToxCO® monitor. NOTE: When selecting an accessory for the ToxCO® monitor, please be advised that an accessory not recommended by Bedfont® may result in loss of performance and damage to your ToxCO® device.

  • Page 3: Table Of Contents

    Contents Important Information/Reminders ..................... 1 Introduction ............................3 Definitions ............................3 Compliance ............................4 Intended Use ............................4 Contraindications ..........................4 Instrument Layout..........................5 User Interface ............................. 6 Taking a breath test ..........................7 Taking a face mask test ........................11 Ambient monitoring ..........................

  • Page 4: Introduction

    Clinical research has demonstrated that 'the concentration of carbon monoxide in end-expired air after breath holding correlates closely with carboxyhaemoglobin concentration' Operation of the ToxCO® is straightforward; a D-piece™ sampling system and face mask sampling modes allow the user to test a patient independent of their consciousness, whilst the ambient sampling mode helps to safeguard the user by alerting them if they are entering areas with high levels of CO.

  • Page 5: Compliance

    ToxCO® monitor. Intended Use The ToxCO® breath Carbon Monoxide monitor and its accessories are used in the screening of Carbon Monoxide (CO) poisoning and calculation of the carboxyhaemoglobin (COHb) level. The ToxCO® breath Carbon Monoxide monitor can be used by health professionals in medical institutions and emergency medical services where Carbon Monoxide exposure is suspected for paediatric, adult, and unconscious patients.

  • Page 6: Instrument Layout

    Instrument Layout 1. Display 7. Single-use SteriBreath™ 2. Power button mouthpiece 3. Breath sampling D-piece™ 8. Battery compartment 4. D-piece™ aperture 9. Battery compartment clip 5. Exhaust port for breath sample 10. Reset button 6. USB connector (for use with 11.

  • Page 7: User Interface

    User Interface Home Screen 1. Battery status 2. Face mask breath test 3. Normal breath test 4. Ambient test 5. Patient profiles 6. Settings...

  • Page 8: Taking A Breath Test

    Taking a breath test Attach a breath sampling D-piece™ and SteriBreath™ mouthpiece. Turn on the monitor by pressing the power button once. Press the breath test icon on screen. Inhale and hold breath for the pre-set 15 second countdown as shown on screen.
  • Page 9 Press the home button at any time to cancel the breath test. A beep will sound during the last three seconds of the countdown.
  • Page 10 Blow slowly into mouthpiece, aiming to empty lungs completely. The %COHb and equivalent ppm levels will rise and hold on- screen.
  • Page 11 When the test is finished, the breath test, home and patient profile icons will appear at the bottom of the screen. The alarm may be muted by pressing the mute button. To repeat breath test, press the breath test icon and repeat steps.

  • Page 12: Taking A Face Mask Test

    Taking a face mask test NOTE: The face mask testing protocol has been developed for use on patients aged 6 years and over, with a respiration rate of between 12-20 breaths per minute. If face mask testing is used outside of these specifications, this may result in decreased accuracy of readings.
  • Page 13 Sampling will last 60 seconds as the %COHb/ppm levels rise and then hold at the peak level. The result will be shown onscreen. When the test is finished, the face mask breath test, music, home and save icons will appear at the bottom of the screen. The alarm may be muted by pressing the mute button.
  • Page 14 Results save automatically in the breath test log however, there is the option to tag a result with a place, patient’s name or ID. To tag a result, press the patient profile icon and enter the place/ID/patient’s name. Press the save button. Remove the face mask sampling system between tests to purge sensor with fresh air.

  • Page 15: Ambient Monitoring

    Ambient monitoring The ambient air can be tested to check for CO in the environment using the ToxCO®, alerting users to high CO levels in the atmosphere. Once switched on the device will start to sample immediately and the real-time reading will be shown on the home screen at all times, updating every second.

  • Page 16: Co Thresholds

    CO thresholds Ambient alarm thresholds are pre-set as per Acute Exposure Guideline Levels (AEGL’s) Colour Audible alert Green <100 No audible alert Amber 100-199 1 short beep every 2 seconds ≥200 3 short beeps every 3 seconds Both thresholds can be reduced so that they are triggered at lower levels but cannot be increased to be triggered at higher levels.

  • Page 17: Adjusting Test Thresholds

    Adjusting test thresholds Turn on the monitor by pressing the power button once. Press the settings icon. Press the traffic light icon.
  • Page 18 Press the breath test icon or ambient icon depending on which threshold is to be adjusted. Drag the threshold indicators up or down to the desired concentration; the ppm values for breath testing will adjust automatically with the %COHb. Pressing the save button will save the changes;...

  • Page 19: Enabling & Disabling Ppm Readings

    Enabling & disabling ppm readings Enabling ppm readings The ToxCO® is programmed to only show the %COHB when a breath test is taken, however it is possible to also display the reading in ppm. To enable the ppm display, go to the settings.
  • Page 20 The breath test will look like this once the ppm readings have been enabled. Disabling ppm readings To disable the ppm display, go to the settings.
  • Page 21 Press the ppm icon. The breath test will look like this once the ppm readings have been disabled.

  • Page 22: Reviewing History

    Reviewing history The ToxCO® will record/log in its history every breath test but also ambient readings when an alarm threshold is triggered for up to 500 readings for 8 hours or until the monitor is switched off. To access the history, press the history icon.

  • Page 23: Changing Date & Time

    Changing date & time To change the date & time, press the settings icon. Press the date & time icon.

  • Page 24: Changing Breath Hold Time

    Select either d-m-y or m-d-y for the date format and 12h or 24h for the time format. With the 12h format, there is also the option to select between am and pm. Dates and times are then adjusted by selecting the number to change and pressing the up or down arrows to decrease/increase.
  • Page 25 Press the breath-hold time icon. Changing the breath-hold time is accomplished by pressing the up or down arrow to decrease/increase the time in seconds. Press the save icon to save setting or the back arrow to abort changes and return to the previous screen.

  • Page 26: Technical Specification

    Technical Specification Breath and Facemask test 0-50%COHb/0-600ppm Concentration range (CO) Ambient Test Concentration range (CO) 0-600ppm Display Full-colour touchscreen Detection principle Electrochemical sensor Repeatability ≤±5% difference on consecutive readings Breath and Ambient Test Accuracy ≤±3ppm/10% – whichever is greater Facemask Test Accuracy ±70% Power 3 x AA (LR6 or equivalent) –...

  • Page 27: Environment

    EN55011:2007 Class B. Guidance and manufacturer’s declaration: Electromagnetic immunity The ToxCO® is intended for use in the electromagnetic environment specified below. The customer or the user of the ToxCO® should ensure that it is used in such an environment. Electromagnetic...

  • Page 28: Device And Display Symbols

    385 MHz 27 V/m 385 MHz 27 V/m used no closer to the 450 MHz 28 V/m 450 MHz 28 V/m ToxCO® than the 710 MHz 9 V/m 710 MHz 9 V/m Conducted RF recommended 745 MHz 9 V/m 745 MHz...
  • Page 29 Hold breath Countdown timer Exhale ppm reading %COHb reading Ambient CO reading Home Change D-piece™ Change CO test thresholds Save Change breath hold time History Next step Previous step Increase Decrease Selected Unselected...
  • Page 30 Slider (for adjusting up or down) Red thermometer: temperature too hot to calibrate Blue thermometer: temperature too cold to calibrate Countdown to sensor change Change sensor Home screen when the sensor change is overdue Calibrate device reminder Calibration overdue Start calibration Attach flow meter to gas canister Attach calibration adaptor to D- piece™...

  • Page 31: Maintenance

    6. Do not use the ToxCO® in an oxygen rich atmosphere. 7. It is recommended that the ToxCO® is calibrated every 6 months, however a calibration MUST be performed within 12 months, using 50ppm CO calibration gas. Please refer to the ‘calibration procedure’...
  • Page 32 This can be ignored by pressing until the date at which the sensor should be changed arrives. At this point, the ‘change sensor’ symbol will be shown. Change sensor if trained to do so by an approved Bedfont® engineer or send to Bedfont® or the local distributor.

  • Page 33: Calibration

    Calibration The ToxCO® is calibrated at 21°C (±4°C) before leaving Bedfont®. The ToxCO® must be calibrated within 17- 25°C as this is the temperature at which Bedfont® recommend it is to be used. It is recommended that the ToxCO® is calibrated every 6 months, however a calibration MUST be performed within 12 months, using 50ppm CO calibration gas.
  • Page 34 The monitor must be zeroed, this will happen automatically. Do not connect the gas at this stage. If it is too cold to calibrate (<17°C) a blue thermometer will be shown onscreen. Move the ToxCO® to a warmer area and try again later.
  • Page 35 If it is too hot to calibrate (>25°C) a red thermometer will be shown onscreen. Move the ToxCO® to a cooler area and try again later. Ensure the fine control valve is in the off position. Screw the fine control valve and flow indicator assembly to the gas can.
  • Page 36 Allow the gas to flow at 1.0 litre per minute. Allow the gas to flow through the instrument for the duration of the test, again monitoring the rate of flow. A successful calibration will be indicated by the tick icon, press the home icon to return to the home screen.

  • Page 37: Troubleshooting

    Alternatively, check the functionality using Bedfont® check gas or send it back to Bedfont®. The check gas required is Bedfont® 50ppm carbon monoxide in air.

  • Page 38: Toxcodata™ Software - Connecting To The Pc

    Connect the other end to the USB port on the PC. Before starting the software, ensure that the ToxCO® is connected to the PC and switched on. Double click the ToxCOdata™ icon on the PC to start the program. Refer to the supplied...

  • Page 39: Returns Procedure

    5. If the monitor is still in warranty and the fault is covered by warranty, see ‘warranty’ section of this manual, Bedfont® will repair it and return it with an ‘engineer’s report’, free of charge. 6. If the repair is not carried out, a handling fee will be charged. Ensure that a completed authorisation form with an ‘official purchase order number’...

  • Page 40: Spares

    ToxCO®. Warranty Bedfont® Scientific Limited warrants the ToxCO® (excluding batteries) to be free of defects in materials and workmanship for a period of two years from the date of shipment, subject to service and maintenance requirements. Bedfont’s sole obligation under this warranty is limited to repairing or replacing, at its choice, any item covered under this warranty when such an item is returned, intact and prepaid, to Bedfont®...

  • Page 41: Appendix

    Appendix 10,12 Breath test/face mask test interpretation chart Acute Exposure Guideline Levels (AEGL’s)

  • Page 42: References

    References 1. Ernst, A. and Zibrak, J. D. (1998) ‘Carbon monoxide poisoning’, New England Journal of Medicine, 339(22), pp. 1603–1608. Guzman, J. A. (2012) ‘Carbon monoxide poisoning’, Critical Care Clinics, 28(4), pp. 537–548. 2. House of Commons All Parliamentary Gas Safety Group. (2009) ‘Raising Medical Professionals Awareness of Carbon Monoxide Poisoning’.

  • Page 43: Responsible Manufacturer And Contacts

    Responsible Manufacturer and Contacts Bedfont® Scientific Ltd. Station Yard, Station Road, www.toxco.com Harrietsham, ask@bedfont.com Maidstone, Kent, 0044 1622 851122 ME17 1JA United Kingdom...
  • Page 44 Tel: +44 (0)1622 851122 Fax: +44 (0)1622 854860 Email: bedfont-gmbh@bedfont.com Email: ask@bedfont.com Web: www.bedfont.com Rx Only Issue 9 - November 2020, Part No: LAB693 Bedfont® Scientific Limited reserves the right to changeor update his literature without prior notice. Registered in: England and Wales. Registered No: 1289798...

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