OxyFlo Pro User Manual
Revision 1.1 | May 2015
1
User Manual
For models
OxyFlo™ Pro OxyFlo™ Pro XL
Continuous laser Doppler blood flow
monitoring
Page 1: ...OxyFlo Pro User Manual Revision 1 1 May 2015 1 User Manual For models OxyFlo Pro OxyFlo Pro XL Continuous laser Doppler blood flow monitoring...
Page 2: ...ford Optronix Ltd 19 21 East Central 127 Olympic Avenue Milton Park Oxford OX14 4SA United Kingdom t 44 0 1235 821 803 f 44 0 1235 821 678 Primary website www oxford optronix com Sales email sales oxf...
Page 3: ...oppler flowmetry and the OxyFlo Pro 14 2 4 Measurement parameters generated by the OxyFlo Pro 14 2 5 The OxyFlo Pro Monitor 16 2 6 OxyFlo Pro Probes 19 2 7 Accessories 21 3 MONITOR SETUP AND USE 22 3...
Page 4: ...onnecting and disconnecting a probe 24 Figure 7 The touch screen display with no probes connected 25 Figure 8 Touch screen display with 2 probes connected 25 Figure 9 The touch screen settings toolbar...
Page 5: ...nd vitals organs In common with all LDF devices quantitative measurements of tissue blood flow in absolute units e g ml min g of tissue are not possible with the OxyFlo Pro The OxyFlo Pro has been spe...
Page 6: ...posure may cause permanent damage to the retina OxyFlo Pro is classified as a Class 1 Laser Product in accordance with the European Standard EN 60825 1 1994 and 21 CFR 1040 10 and 1040 11 In accordanc...
Page 7: ...tention See instructions for use Read instructions for use Alternating current Direct current Digital output Analogue outputs Table 1 OxyFlo Pro symbols 1 7 Definitions WARNING A warning indicates the...
Page 8: ...ould only be repaired or serviced by Oxford Optronix Ltd trained service staff WARNING Use ONLY the NX PSU universal AC adapter provided by Oxford Optronix Failure to do so may result in irreparable d...
Page 9: ...nitor to be operated at a safe distance from such equipment CAUTION DO NOT attempt to autoclave pressure sterilise or expose to radiation any part of the monitor CAUTION Connecting the NX PSU universa...
Page 10: ...age may result CAUTION OxyFlo Pro probes should be stored with the probe cable carefully coiled to avoid kinks in the dedicated protective case in which they are supplied CAUTION Do not use a probe if...
Page 11: ...he label The solution must not be used beyond this date as it may produce misleading values due to the gradual aggregation of the latex spheres CAUTION Do not use the motility standard in ambient temp...
Page 12: ...called Blood Perfusion Units BPU The OxyFlo Pro laser Doppler blood flow monitor is available in two configurations OxyFlo Pro A dual channel device capable of monitoring up to two independent tissue...
Page 13: ...blood flow monitors are designed specifically to be used in tandem with our OxyLite Pro range of oxygen monitors providing support for simultaneous measurements of tissue oxygenation blood flow and te...
Page 14: ...n of latex spheres undergoing Brownian motion Perfusion is also referred to as tissue blood flow microvascular blood flow or red blood cell flux In common with all LDF devices the OxyFlo Pro generates...
Page 15: ...e ART parameter can be output on the secondary data channel for each probe via the touch screen see table 4 The RAW parameter The optional RAW output is a version of the standard blood flow output tha...
Page 16: ...ion 1 1 May 2015 16 2 5 The OxyFlo Pro Monitor Figure 1 Front view of the OxyFlo Pro 1 Power on indicator light 2 Sensor connector bay one on each side for OxyFlo Pro XL 3 Touch screen display with ad...
Page 17: ...switch 2 Low voltage power inlet use NX PSU universal AC Adapter only 3 Analogue output connectors Ch 1 Ch 2 common to all OxyFlo Pro models Ch 3 Ch 4 OxyFlo Pro XL model only 4 USB serial output for...
Page 18: ...atch opens side panel to reveal probe connector bay Channel 3 and Channel 4 probe connectors OxyFlo Pro XL model only are located inside the connector bay on the right hand side of the monitor Figure...
Page 19: ...tissue pO2 temperature where the OxyFlo Pro is used in conjunction with its optional counterpart the OxyLite Pro The number of plugs on a sensor is dependent on the number of parameters being measured...
Page 20: ...f 125 m The fibres are flexible and can be bent however it is recommended that they are not subjected to bends with a radius of less than 30mm CAUTION DO NOT drop apply tension or kink any part of an...
Page 21: ...tors manufactured prior to May 2015 MH 10 Miniature holders 10mm diam for MNP100NX 3 10 probe Pack of 5 MH 05 Miniature holders 5mm diam for MNP100NX 3 10 probe Pack of 5 LABCHART_PRO LabChart Pro sof...
Page 22: ...ist of Standard Components OxyFlo Pro Unit Monitor Universal voltage input AC adapter including integral power On Off switch Country specific IEC power cable User Manual this document 3 3 Connecting a...
Page 23: ...s the display will initially remain blank There will be two further audible beeps approx 5 seconds apart at which point the Oxford Optronix logo will be briefly displayed before the screen launches in...
Page 24: ...e ID will be read and calibration coefficients loaded automatically by the monitor provided the probe has been either factory calibrated or calibrated by the user see instructions below Disconnect by...
Page 25: ...re 7 The touch screen display with no probes connected Following monitor start up the display will initially show the default screen OxyFlo Pro XL model in this example Figure 8 Touch screen display w...
Page 26: ...lt toolbar icons Useful touch screen functionality Press and hold on any of the numerical digits to hide trace s and display digits in large Press and hold the y axis for any channel to display the y...
Page 27: ...s screen Changes to this function are saved and will apply the next time the OxyFlo Pro is powered up Displays the backscatter BS cut off selection screen Generally there is no need to adjust this par...
Page 28: ...ate channel probe from the toolbar Refer to the table below and Troubleshooting for probe warnings and errors Description of probe status dialogue icons Indicates probe calibration date Indicator for...
Page 29: ...urchased with a monitor will be calibrated at the factory Since the calibration data is stored within the monitor if a probe has previously been calibrated for the channel it is being used in then cal...
Page 30: ...ble to ensure all are freshly calibrated prior to use Calibration Procedure To perform a new probe calibration you will require a Calibration Kit product code CAL KIT which consists of a motility stan...
Page 31: ...uring that the paired channel is occupied either by another probe or by an LDF Interlock Adapter NOTE If the probe has not previously been calibrated in this channel the toolbar will display a warning...
Page 32: ...calibration procedure to fail If the calibration is successful the monitor will emit an audible double beep and briefly display the following on screen confirmation The display will then automaticall...
Page 33: ...tion free surface and that probe and cable movement is eliminated Repeat calibration as necessary Table 6 Calibration error codes Please refer to our support site for further details describing the ca...
Page 34: ...supp_oxyflo htm IMPORTANT In all cases direct occlusive pressure on the tissue under investigation and tissue or probe movement must be avoided as far as possible In summary Recommendations for probe...
Page 35: ...C via the dedicated USB output at the rear of the monitor Compatibility requires a dedicated and free software Add on for LabChart the Device Enabler which supports automatic recognition of the Oxford...
Page 36: ...ovides compatibility with the vast majority of third party data acquisition systems The dual channel OxyFlo Pro requires one such cable carrying data for channels 1 and 2 while the 4 channel OxyFlo Pr...
Page 37: ...party data recorders factory defaults shown Parameter Backscatter Blood Flow ART RAW Output voltage range 0 5V 0 5V Zero output 0V 0 0 BPU Full scale output 5V 100 5000 BPU Output resolution 20 V 100...
Page 38: ...e stored between 10 C to 40 C When returning from extremes of temperature the unit should be allowed to acclimatise at room temperature for 30 minutes before use 4 3 Handling and Cleaning of the Touch...
Page 39: ...nector refer to section 5 2 4 5 Cleaning Disinfection and Sterilization of Probes Cleaning OxyFlo Pro probes are cleaned prior to packaging and dispatch It is recommended that the probe end on all new...
Page 40: ...probes are not supplied sterile OxyFlo Pro probes are NOT capable of withstanding sterilisation by dry or moist heat autoclaving The materials and components used in OxyFlo Pro probes may be compatib...
Page 41: ...r channels 3 4 for the OxyFlo Pro XL If it is intended to operate the monitor with only a single probe then an LDF interlock adapter must occupy the corresponding unused channel The LDF interlock adap...
Page 42: ...probe in one or more channels If the problem persists there is likely to be a fault in which case please contact technical support There is a continuous sound upon power on The monitor has failed the...
Page 43: ...nical support The analogue output signal is zero There may be a cable problem Check that the cable s attached to the analogue output connector s is are securely seated and correctly configured at the...
Page 44: ...3 8 It is also essential to ensure that undue probe pressure is not applied to the tissue otherwise local occlusion of the microvasculature may result in a corresponding reduced blood flow reading Exc...
Page 45: ...small muscle and tissue movement in the measuring volume Even after surgical removal of tissue localised red blood cell movement and Brownian motion may still occur 5 2 Simple Probe Integrity Check T...
Page 46: ...vicing provides not only a complete technical mechanical overhaul update and recalibration but also ensures that your monitor receives the latest applicable software firmware upgrades introduced as a...
Page 47: ...rdy plastic cases inside either a large padded envelope or packed in a suitably sized box Where accompanying a monitor for return probes may be included within the larger carton of the monitor provide...
Page 48: ...de s Laser wavelength 830 10nm Laser classification Class 1 EN 60825 1 and 21 CFR 1040 10 Laser power 0 5mW from probe tip underside Performance Mode of operation Laser Doppler Flowmetry Measurement u...
Page 49: ...warranty for any defect arising from fair wear and tear wilful damage negligence misuse repair of the Products without our written approval or any use of or dealing with the Products in conjunction w...
