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2.4.3 Changing Oxygen Settings

Warning: 

Adjusting the oxygen setting too high at low flows may cause 

oxygen to exit the air inlet port. Verify the direction of flow by placing your 
hand under the air filter to feel for air escape.

2.5 Disposables

The MaxVenturi for is intended for use with approved disposables. Several patient 
delivery circuits and patient interfaces have been tested and approved for use with 
the MaxVenturi. The approved delivery circuits and patient interfaces are:

2.5.1 Disposable Patient Circuits

» Fisher & Paykel single heated limb circuit (RT202) with humidifier chamber (MR290).

» Airlife single heated limb circuit (RT600-850) with humidifier chamber (MR290).

» Standard 6', 22mm corrugated tube (Airlife 001450 or similar. Not humidified).
» Comfort Flo

®

 Circuits (2415 & 2416) with the ConchaSmart

®

 Column (382-10). 

2.5.2 Disposable Patient Interfaces

» Optiflow large nasal cannula (Fisher & Paykel OPT544).

» Optiflow medium nasal cannula (Fisher & Paykel OPT846).

» Optiflow Tracheostomy direct connection (Fisher & Paykel OPT570).

» Pediatric aerosol mask with 22mm inlet (Airlife 001263 or similar).

» Adult aerosol mask (Airlife 001206 or similar).

» Trach adaptor T-piece (Airlife 001500 or similar).

» Tracheostomy mask with 22mm inlet - loose fitting (Airlife 001225 or similar).
» Hudson RCI

® 

Trach-Flex

 PlusTracheostomy Adapter (2415-01).

» Hudson RCI

® 

Comfort Flo

®

 Plus Cannula - Large (2412-11).

» Hudson RCI

® 

Comfort Flo

®

 Plus Cannula - Medium (2412-12).

» Hudson RCI

® 

Comfort Flo

®

 Plus Cannula - Small (2412-13).

CAUTION: 

Use of patient circuits or patient interfaces other than these constitutes 

"off- label use". This can result in device malfunction or harm to the patient.

The delivery circuit can be paired with the patient interface circuits listed in 

the table below:

 

1

2

 

1

2

!

Adjust O

2

% knob to desired level and 

wait for analyzer to equilibrate.

Temporarily 

disconnect patient circuit if necessary.

Verify flow rate has not changed and 
adjust if necessary.

Summary of Contents for MaxVenturi R211P03

Page 1: ...O P E R A T I N G M A N U A L I N S T R U C T I O N S F O R U S E R211M03 Rev Q R 2 1 1 P 0 3 MaxVenturi A B C D E F 60 50 40 30 20 10 02...

Page 2: ......

Page 3: ...ars from the date of shipment from Maxtec Based on Maxtec s product evaluation Maxtec s sole obligation under the foregoing warranty is limited to making replacements repairs or issuing credit for equ...

Page 4: ...l times by the filter listed in the disposables list The inlet filter prevents entrainment of ambient contamination and silences venturi noise The filter provided with the MaxVenturi is single patient...

Page 5: ...ult in false readings from the flow meter The MaxVenturi is not intended for steam ethylene oxide or radiation sterilization DO NOT clean with ethanol or acetone After cleaning and before use on a pat...

Page 6: ...ent Interfaces 7 2 5 3 Inlet Filter 9 3 0 FACTORS INFLUENCING ACCURATE READINGS 9 3 1 Elevation Pressure Changes 9 3 2 Temperature Effects 9 4 0 CALIBRATION ERRORS AND ERROR CODES 9 5 0 CHANGING THE B...

Page 7: ...2 11 10 Flow meter Oxygen On Off Valve Inlet Oxygen Fitting Oxygen Control Knob O2 Flow Control Knob Room Air Inlet Room Air Inlet Filter ON OFF Button Calibration Button MAX 250 Series Oxygen Sensor...

Page 8: ...y the humidifier patient interface system The numbered scale on the flow meter that corresponds to the compensated flow rate for the Fisher Paykel Optiflow System and Hudson RCI Neptune Heated Humidif...

Page 9: ...displayed O2 percentage see Factors Influencing Accurate Readings in section 3 0 The MaxVenturi can be calibrated at 100 oxygen or room oxygen 20 9 The One Touch calibration will assume one of these t...

Page 10: ...ir 20 9 will result in an incorrect measurement of oxygen concentration 2 2 2 100 Oxygen Calibration 2 6 2 2 Minutes 1 2 3 4 5 6 1 5 Shut off Oxygen supply Remove sensor from port Wait two 2 minutesfo...

Page 11: ...7 8 2 Minutes Turn flow knob a few turns to flow gas Wait 2 minutes for sensor to equilibrate Press and hold CAL button for three 3 seconds Wait for display to read 100 Remove plug from room air inlet...

Page 12: ...ettings 4 5 1 2 3 1 2 3 1 2 3 1 2 3 1 3 Adjust flow to new desired flow rate Readjust oxygen concentration to desired setting and wait for analyzer to equilibrate Temporarily disconnect patient circui...

Page 13: ...ient Interfaces Optiflow large nasal cannula Fisher Paykel OPT544 Optiflow medium nasal cannula Fisher Paykel OPT846 Optiflow Tracheostomy direct connection Fisher Paykel OPT570 Pediatric aerosol mask...

Page 14: ...Comfort Flo Plus Cannula Large 2412 11 Hudson RCI Comfort Flo Plus Cannula Medium 2412 12 Hudson RCI Comfort Flo Plus Cannula Small 2412 13 F P Direct Connect OPT570 F P Large Nasal Cannula OPT846 F P...

Page 15: ...sensor to equilibrate to a new ambient temperature ATTENTION CAL Err St may result from a sensor that has not reached thermal equilibrium 4 0 CALIBRATION ERRORS AND ERROR CODES The analyzer has a sel...

Page 16: ...THE BATTERIES 1 2 3 4 5 6 7 8 9 Turn off analyzer Use screwdriver to remove four 4 screws in back of device Pull front cover off away from unit Turn on analyzer to verify power Reattach battery pack t...

Page 17: ...s needed The full MaxVenturi device should be overhauled and serviced a minimum of every 4 years with R211P30 001 and R211P30 002 to replace all O rings valves and knobs 7 2 Device Cleaning When clean...

Page 18: ...s 2 x 1 5 Volts Battery Life approximately 5000 hours with continuous use Low Battery Indication BAT icon displayed on LCD Sensor Type Maxtec MAX 250 series galvanic fuel cell Expected Sensor Life 1 5...

Page 19: ...d Operating Instructions R125P03 002 MAX 250E Oxygen Sensor RP34P02 Air inlet filter 9 2 Standard Replacement Parts and Accessories Part Number Item R127P35 15 coiled polyurethane oxygen hose with DIS...

Page 20: ...l knob completely closed Possible Cause It is very likely the device needs to be calibrated Also check to make sure the humidifier and patient delivery disposables are the correct size and installed c...

Page 21: ......

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