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B. Status indicator

Reflex

Indicates that a reflex test is in process.

Remove

Indicates that a test is finished and the probe can be removed from the ear.

C. Softbutton selections

Press the softbutton to toggle the selections shown above the button.

D. Tympanogram

The tympanogram shows the graph of the middle ear compliance as a function of pressure.

•

The X-scale represents the pressure in daPa.

•

The Y-scale represents the compliance in equivalent volume of air in ml.

E. Reflex table

The reflex table shows the ear’s reflex response to the five test tones.

•

The X-scale shows the progress of the deflection curve.

•

The Y-scale indicates if a change in compliance greater than 0.05 ml is detected and a reflex is considered present.

6.1

Softbutton functions

Softbuttons below the screen

Probe: Left

or

Probe: Right

Press this button to select the ear on which you wish to perform the test:

Left

or

Right

.

Stim: Ipsi

or

Stim: Contra

or

Stim: Ipsi/Contra

(

Stim: Contra

or

Stim: Ipsi/Contra

- T840

only)

Press this button to select ipsilateral or contralateral reflex testing, or both. You can also
deselect reflex testing.

View: Ipsi

,

View: Contra

or

View: Both

(

View: Contra

and

View: Both

- T840 only)

Press this button to select whether to show ipsilateral, contralateral or both meas-
urements on the display.

Current ID

Press this button to browse between saved measurements and available storage slots in
the integrated memory. You can save up to 200 measurements.

Measurement IDs are numbered from 1 to 200. If the memory is full, you can use the Oscil-
la®AudioConsole software, if available, for storing more measurements.

13

User Guide

Inmedico A/S - T830/T840

Содержание T830

Страница 1: ...T830 T840 Screening Tympanometer User Guide Doc No 7 50 1810 EN 03 Part No 7 50 18100 EN...

Страница 2: ...nmedico A S All rights reserved Oscilla is aregistered trademark of Inmedico A S in the U S A and or other coun tries Version release date 2017 10 31 167384 Technical support Please contact your suppl...

Страница 3: ...sting using the device 11 7 Testing using the Oscilla AudioConsole software 17 8 Tympanometry testing using AudioConsole 17 9 Device setup using AudioConsole 18 10 Service cleaning and calibration 18...

Страница 4: ...ly or not Operating the device You can operate the device either as a stand alone unit using the front panel buttons and display or from the Oscilla AudioConsole PC software Note If you are controllin...

Страница 5: ...ted immediately Already measured results are kept Warning Look into the ear canal It is strongly recommended that you perform an otoscopy to assess the status of the outer ear before you insert the pr...

Страница 6: ...vice the original packing material will protect against damage dur ing transport etc 2 Visually inspect the equipment for possible damage If damage has occurred do not put the device into operation Co...

Страница 7: ...supply connected directly to the mains outlet Caution Use only the power supply specified in Technical specifications 22 Connecting the external power supply to the device 1 Connect the plug end of t...

Страница 8: ...le from the printer socket on the back of the device to the socket on the printer 5 The probe and the contralateral phone Warning Inspect the patient s ear Look into the ear canal It is strongly recom...

Страница 9: ...9 Warning Always fit an eartip on the probe before inserting it into the ear of the patient Warning The eartip can be used for both ears If you suspect infection in one ear use a clean eartip and prob...

Страница 10: ...be and to avoid blocking the probe against the ear canal of the patient grasp the pinna and gently pull the pinna back and slightly away from the patient s head For adults pull the pinna upwards and b...

Страница 11: ...phone instead Warning To prevent cross infection use new eartips when you test the next client Fitting a foam tip on the insert phone 1 Fit a suitably sized foam eartip on the contralateral insert ph...

Страница 12: ...ce from the tympanogram in ml Tymp width Shows the value that sums up the curve characteristics in one number B Status indicator The status indicator can display a number of messages Ready Indicates t...

Страница 13: ...red present 6 1 Softbutton functions Softbuttons below the screen Probe Left or Probe Right Press this button to select the ear on which you wish to perform the test Left or Right Stim Ipsi or Stim Co...

Страница 14: ...th your device When you activate calibration mode the calibration guide is shown on the display Follow the steps shown to calibrate the probe 2 1 Shift Press and hold this button to access more functi...

Страница 15: ...reflex sens itivity from 10 to 200 microliters 10 is the least sensitive 200 is the most sensitive Default 30 microliters Tympanometer test T840 only If needed choose between Normal mode and Extended...

Страница 16: ...the eartip fits well This will minimize the risk of blocking the probe tip against the ear canal wall A flat tympanogram together with an abnormally small ear canal volume indicates that the probe is...

Страница 17: ...provide you with a basic description of how to operate the device from AudioConsole Connecting to the PC 8 Tympanometry testing using AudioConsole 17 8 Tympanometry testing using AudioConsole Note The...

Страница 18: ...ration Warning Under no circumstances disassemble T830 T840 Contact your supplier Parts inside T830 T840 must only be checked or serviced by authorized personnel Warning For the sake of safety and in...

Страница 19: ...we recommend that you only use non alcohol based disinfectant wipes e g Audio wipe or a cloth dampened lightly with a recommended cleaning agent to ensure proper infection control and maximum lifetim...

Страница 20: ...nfection A Probe body B Probe tip 1 To remove the probe tip hold the probe by the probe body and carefully pull off the probe tip Caution Even the slightest amount of moisture may dissolve any residua...

Страница 21: ...calibration to verify that the system measures correctly Annual calibration The device and probe s must be calibrated every year by an authorized service department Warning Local government rules and...

Страница 22: ...If an error occurs during calibration place the probe in the relevant cavity and press the Restart button 8 Press the Finish button to exit the calibration function If there is a probe error In case o...

Страница 23: ...Pa THD 1 in 2 ml Measurement range 0 1 to 6 0 ml Rate of pressure change 350 daPa s in 2 ml Tympanometry accuracy description Min TW 5 error 38 daPa Min TW 10 error 31 daPa Min SA 5 error 31 daPa Min...

Страница 24: ...al attributes Dimensions WxDxH 225 x 180 x 55 mm 8 9 x 7 0 x 2 2 in Weight 1 3 kg 2 9 lb Operating environment Ambient temperature 15 to 35 C 59 to 95 F Relative humidity 30 to 90 non condensing Air p...

Страница 25: ...and mobile high frequency communication devices such as mobile phones may interfere with the func tioning of T830 T840 Guidance and manufacturer sdeclaration electromagnetic emissionsfor all equipmen...

Страница 26: ...ari ations on power supply input lines IEC 61000 4 11 5 UT 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycles 70 UT 30 dip in UT for 25 cycles 5 UT 95 dip in UT for 5 s 5 UT 95 dip in UT for 0...

Страница 27: ...ephones and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy To assess the electromagnetic environment due to fixed RF transm...

Страница 28: ...nd software covered by this manual Local government rules and regulations if applicable should also be followed at all times 12 1 Definition of symbols T830 T840 Electronic equipment covered by the Di...

Страница 29: ...wed in domestic establishments when used under the jurisdiction of a health care pro fessional 2 T830 T840 is intended for diagnostic and clinical use by audiologists and other trained health care pro...

Страница 30: ...rtips should not be reused and must be replaced between patients to prevent cross infection 18 Unwanted noise may occur if the instrument is exposed to a strong radio field Such noise may interfere wi...

Страница 31: ...d performance of the equipment only if All assembly operations extensions re adjustments modifications or repairs are carried out by the equipment man ufacturer or personnel authorized by the manufact...

Страница 32: ...14 Manufacturer Inmedico A S T830 T840 32...

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