Bedfont ToxCO User Manual
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Summary of Contents for Bedfont ToxCO
- Page 1 ToxCO ® User manual ® 0086 Scientific contributions to health.
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Page 2: Table Of Contents
Contents Intended Use ............................ 2 Introduction ............................ 2 Taking a Breath Test ........................... 2 Taking a Facemask Test ........................ 3 Conducting an Ambient Test ...................... 4 CO Thresholds ............................ 4 Adjusting Test Thresholds ........................ 5 Adding a Patient Profile ........................ 5 Deleting a Patient Profile ........................ 5 Reviewing History .......................... 6 Changing Date and Time ........................ 6 Changing Breath Hold Time ........................ 6 Technical Specification ........................ 7 Safety Information and Device Symbols ..................... 7 Environment ............................ 8 Instrument Layout .......................... 8 Display and Device Symbols ....................... 9 Warnings and Maintenance ...................... 1 1... -
Page 3: Intended Use
Intended Use The ToxCO® is a breath carbon monoxide monitor intended for multi-patient use by healthcare professionals in a healthcare environment, to determine levels of carbon monoxide (CO) poisoning. Introduction Carbon monoxide is a toxic, odourless, colourless, tasteless gas . It is formed from incomplete combustion of organic material at high temperatures with an insufficient oxygen supply . When inhaled, CO competes successfully with oxygen in the bloodstream to form carboxyhaemoglobin (COHb). This starves the body tissues of the oxygen vital to repair, regeneration and general living. CO can remain in the bloodstream for up to 24 hours, depending on a range of factors including physical activity, gender and inhalation intensity . The half-life is about 5 hours with no treatment (normal environmental conditions), 1.5 hours if 100% oxygen is given and 0.58 hours if hyperbaric oxygenation at 100% oxygen is given Breath carbon monoxide is measured in parts per million (ppm) and blood carboxyhaemoglobin in percentages (%COHb). The two measurements are compatible and convertible, CO relating to lung/breath and COHb to blood gas. The monitor displays %COHb and ppm using the conversion graph in the appendix on page 14 . CO ppm readings demonstrate the levels of poisonous inhaled CO, while the %COHb reading shows the percentage of vital oxygen that has been replaced in the bloodstream Clinical research has demonstrated that a useful relationship between carbon monoxide and... -
Page 4: Taking A Facemask Test
4. To cancel the breath test, press 5. Inhale and hold breath for the pre-set 15 second countdown. 6. A beep will sound during the last three seconds of the countdown. 7. Blow slowly into mouthpiece, aiming to empty lungs completely. 8. The ppm and equivalent %COHb levels will rise and hold on-screen. 9. The alarm may be muted by pressing 10. When the test is finished will appear at the bottom of the screen. 11. To repeat breath test, press once and repeat steps 5 - 10. 12. To return to the home screen, press 13. To save the reading press and select the relevant patient profile. 14. Remove the D-piece™ between tests to purge sensor with fresh air. 15. To switch off, press and hold the power button for 3 seconds. The unit will also power off after 8 hours of inactivity to save power. (The display dims after 5 minutes and turns off after 15 minutes). -
Page 5: Conducting An Ambient Test
8 hours of inactivity to save power. (The display dims after 5 minutes and turns off after 15 minutes. Conducting an Ambient Test The ambient air can be tested to check for CO in the environment using the ToxCO® for user safety. 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. When a CO threshold is breached, the monitor will log this event and continue to log the live reading every minute. The logging will continue for 8 hours or when until the monitor is switched off. -
Page 6: Adjusting Test Thresholds
5. Drag the threshold indicators up or down to the desired concentration; the ppm values for breath testing will adjust automatically with the %COHb. 6. Pressing will save the changes; pressing will abort the changes and return to the previous screen. Adding a Patient Profile The ToxCO® allows up to 150 patient profiles to be set-up on the device in order to record readings to a specific patient profile. These readings can then be downloaded later using ToxCOdata™. This can be done by following the steps below: 1. Press on the main screen. 2. Press a patient profile slot to go to the patient’s profile. 3. Press the patient profile slot again on the next screen to enter the name for the patient using the keyboard provided. -
Page 7: Reviewing History
4. To confirm the deletion press 5. To abort the deletion press to return to the previous screen or to return to the home screen. Reviewing History The ToxCO® will record/log in it’s history when an alarm threshold is triggered for up to 500 readings or until the alarms are resolved. To access this press and then and the history will then be shown. Changing Date and Time Press and then to access the date/time menu. You can then select either d-m-y or m-d-y for the date format and 12h or 24h for the time format. Dates and times are then adjusted by selecting the number you wish to change and pressing to increase/decrease. Press to save your settings or to abort changes and return the previous screen. Changing Breath Hold Time Press and then to access the breath hold time screen. Changing the breath hold time is accomplished by pressing to increase/decrease the time in seconds. Press to save your settings or to abort changes and return the previous screen. -
Page 8: Technical Specification
Technical Specification Concentration Range (CO) 0-600ppm Display Full colour touchscreen Detection Principle Electrochemical sensor Accuracy (Repeatability) ±<3% difference on consecutive readings Accuracy (Sensor Drift) ±<10% of the reading per annum Cross Interference <6% Power 3 x AA (LR6 or Equivalent) 1 x CR2032 Lithium coin cell Approx. 3 x AA Battery Life 1,000 minutes on new alkaline batteries (approx. 330 breath tests) Approx. 1 x CR2032 Battery Life 175,000 hours Response Time ≤30 seconds Operating Temperature Range 10-40°C (storage 0-50°C) Operating/Transport/Storage Pressure 800-1200mbar Operating Humidity 10-90% non-condensing (storage 0-95%) Sensor Operating Life 5 years – 5 year warranty Sensor Sensitivity 1ppm Dimensions Approx. 34 x 75 x 140 mm Weight Approx. 200g (including batteries) Monitor Construction Case: Polycarbonate/ABS blend SteriTouch® Anti-Microbial Additive D-piece™ : Polypropylene Safety Information and Device Symbols Degree of Protection Against Electric Shock... -
Page 9: Environment
Manufacture by and Date Bedfont(R) ® Logo Environment The ToxCO® complies with the directive EN60601-1-2 electromagnetic compatibility but can be affected by cellular phones and by electromagnetic interference exceeding the levels specified in EN50082:1. This equipment should be moved if necessary to avoid interference. Instrument Layout 1. Display 2. Power button 3. Breath sampling D-piece™ 4. D-piece™ hole 5. Exhaust port for breath sample 6. -
Page 10: Display And Device Symbols
Display and Device Symbols Description ToxCO® Symbol Battery Condition: Full Battery Condition: Low Battery Condition: Empty Breath Test Ambient Air Test Settings Patient Profiles Inhale Hold Breath Countdown Timer Exhale ppm Reading %COHb Reading Ambient CO reading... - Page 11 Description ToxCO® Symbol Home Change D-piece™ Change CO Test Thresholds Save Change Breath Hold Time History Next Step Previous Step Countdown to Sensor Change Change Sensor Calibrate Device Reminder...
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Page 12: Warnings And Maintenance
Unit Calibrating Calibration Successful Calibration Failed Retry Calibration Firmware Version Warnings and Maintenance 1. Mouthpieces should be replaced after every use. 2. Hands should be washed regularly in accordance with infection control practice. 3. Please do not attempt to modify the equipment in any way or use accessories not specified by the manufacturer. Any attempt to do so will invalidate the warranty and may compromise the safety of the device. 4. Bedfont® will make available upon request service training to appropriately qualified persons. -
Page 13: Cleaning
5. Holding the reset button down for 30 seconds will perform a complete device reset. This will clear any saved data and revert all settings to the factory defaults. After performing a reset, the device will need to have the date/time set and be calibrated before it can be used. 6. The ToxCO® requires calibration every 12 months using 20ppm CO calibration gas, please refer to ‘Calibration Procedure’ for more information. Cleaning 1. The ToxCO® is moulded with SteriTouch® technology for optimum infection control and bacterial efficacy. However, Bedfont® recommend wiping the instrument and D-piece™... -
Page 14: Calibration Procedure
Alternatively, you check the functionality using Bedfont® check gas or send it back to Bedfont®. The check gas required is Bedfont® 20ppm carbon monoxide in air, follow procedure below: 1. Ensure the fine control valve is in the off position. Screw the fine control valve and flow indicator assembly to the gas can. This is best done by screwing the gas can into the valve. -
Page 15: Toxcodata+™ Software - Connecting To The
9. Return to the home screen by pressing ToxCOdata+™ Software – Connecting to the PC Place one end of the connection lead into the USB socket on the top of the ToxCO®, connecting 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 programme. Refer to the supplied documentation for how to operate ToxCOdata... -
Page 16: Spares
Bedfont® Scientific Limited warrants the ToxCO® (excluding batteries) to be free of defects in materials and workmanship for a period of five years from the date of shipment. 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® Scientific Limited... - Page 17 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’. 3. Humber, A. (2009) ‘A Feasibility study into the prehospital carbon monoxide poisoning of patients’, London Ambulance Service NHS. 4. Omaye, S. T. (2002) ‘Metabolic modulation of carbon monoxide toxicity’, Toxicology, 180(2), pp. 139–150. 5. Wright, J. (2002) ‘Chronic and occult carbon monoxide poisoning: We don’t know what we’re missing’, Emergency Medicine Journal, 19(5), pp. 386–390. 6. Health Protection Agency (HPA). Porton Down, Report No. 43/06. Pp. 10-11 7. Weaver LK, e. (2016). Carboxyhemoglobin half-life in carbon monoxide-poisoned patients treated with 100% oxygen at atmospheric pressure. - PubMed - NCBI . [online] Ncbi.nlm.nih.gov. Available at: https://www.ncbi.nlm.nih.gov/pubmed/10713010 [Accessed 27 Oct. 2016]. 8. Rapid estimation of carboxyhemoglobin level in fire fighters. Stewart, R. (1976). Rapid estimation of carboxyhemoglobin level in fire fighters. JAMA: The journal of the American medical association, 235(4), pp 390-3929. Weaver LK, e. (2016). 9.Carboxyhemoglobin half-life in carbon monoxide-poisoned patients treated with 100% oxygen at atmospheric pressure. - PubMed - NCBI . [online] Ncbi.nlm.nih.gov. Available at: https://www.ncbi.nlm.nih.gov/pubmed/10713010 [Accessed 27 Oct. 2016]. 10.Kent Olson, C. (2008). Carbon monoxide poisoning (acute). BMJ Clinical Evidence, [online] 2008, p. Available at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2907971/ [Accessed 28 Oct. 2016]. 11.Richard D.Stewart MD, R.Scot Sterart, William Stamm, Richard P.Steelen; Rapid Estimation of Carboxyhaemoglobin Level in Fire Fighters; Journal of American Medical Association; 235:390-392; 1976.
- Page 18 Tel: +44 (0)1622 851122 Fax: +44 (0)1622 854860 Email: ask@bedfont.com www.bedfont.com © Bedfont® Scientific Limited 2016 Issue 2- October 2016, Part No: LAB693 Bedfont® Scientific Limited reserves the right to change or update this literature without prior notice. Registered in: England and Wales. Registered No: 1289798...
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