Нейро аудио скрин нейрософт инструкция

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  Technical Manual Neuro-Audio-Screen Neuro-Audio-Screen/OAE Portable All-in-One ABR, DPOAE&TEOAE Hearing Screening Systems TM057.02.002.000 (14.11.2012)
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  Neurosoft Ltd. © 2013 5, Voronin str., Ivanovo, 153032, Russia P.O. Box 10, Ivanovo, 153000, Russia Phone: +7 (4932) 24-04-34 Fax: +7 (4932) 24-04-35 E-mail: com@neurosoft.ru Internet: www.neurosoft.ru…

• Page 3: Table Of Contents

  Table of Content Introduction ………………….. 5 List of Abbreviations ………………..6 Important Safety Instructions …………….7 Description and Operation…………….9 2.1. Neuro-Audio-Screen Function…………… 9 2.1.1. Otoacoustic Emission and its Recording……….9 2.1.2. Auditory Brainstem Response and Its Recording…….. 10 2.2. Main Specifications………………11 2.3.

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  9.5. OAE Probe Check ………………86 9.6. Conservation ………………..90 10. Packing and Transportation …………….90 11. Storage Regulations………………91 12. Utilization of Neuro-Audio-Screen and Neuro-Audio-Screen/OAE….91 13. Delivery Set and Package Data…………… 91 14. Acceptance Certificate ………………92 15. Delivery Certificate ………………92 16.

• Page 5: Introduction

  You can send your responses and recommendations to the following address: P.O. Box 10, Ivanovo, 153000, Russia or by e-mail: help@neurosoft.ru. You can find additional information on Neurosoft products in the Internet: www.neurosoft.ru or ask questions by phones: +7 (4932) 24-04-37 (Service department),…

• Page 6: List Of Abbreviations

  Hearing Screening Systems (Technical Manual) List of Abbreviations ABR – auditory brainstem response BERA – brainstem evoked response audiometry DPOAE – distortion product evoked otoacoustic emission IHC – inner hair cells LCD – liquid-crystal display OAE – otoacoustic emission OHC – outer hair cells SPL –…

• Page 7: Important Safety Instructions

  Important Safety Instructions Important Safety Instructions Neuro-Audio-Screen and Neuro-Audio-Screen/OAE is designed to be used only by those individuals trained to perform the testing for which it has been designed. No person should attempt to use these hearing systems without the necessary knowledge and training to understand how this equipment is to be properly utilized and interpreted.

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  Neuro-Audio-Screen Neuro-Audio-Screen/OAE power supply unit. The connector of printer power supply unit of different manufacturers can coincide with the device power supply connector. It can cause a mistake at the power supply unit connection that is why, please, be attentive.

• Page 9: Description And Operation

  Description and Operation Description and Operation 2.1. Neuro-Audio-Screen Function The Neuro-Audio-Screen and Neuro-Audio-Screen/OAE hearing screening systems are intended for the objective audiometry. The devices can be applied in patient care institutions, diagnostics centers, maternity hospitals, neuro-surgical clinics and experimental laboratories of the research institutions for: …

• Page 10: Auditory Brainstem Response And Its Recording

  Hearing Screening Systems (Technical Manual) How Does Screening Systems Record TEOAE? The Neuro-Audio-Screen and Neuro-Audio-Screen/OAE screening systems gener- ate a series of clicks using a telephone, direct them into the ear canal, and then average the response received by the microphone built in the probe recording OAE.

• Page 11: Main Specifications

  Description and Operation 2.2. Main Specifications Table 1. The Screening System Specifications Parameters Values ABR Technique Recorded EP range 0.15–900 µV Common-mode rejection not less than 100 dB Noise level (rms) not more than 0.35 µV Amplifiers input impedance not less than 90 MΩ Amplifiers input capacity not more than 40 pF Differential input bias voltage, maximum permissible…

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  Hearing Screening Systems (Technical Manual) Table 1. Continued Parameters Values Interface Bluetooth Electronic unit power supply voltage from external power supply unit Safety Protection class from electrical shock Electronic unit dimensions (19510155)2 мм Electronic unit weight not more than 0.68 kg Total weight not more than 2 kg Power supply:…
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  Description and Operation — mark of conformance to Russian standards requirements. — mark of conformance to 93/42/EEC “Concerning Medical Devices” directive. — mark of conformance to 2002/96/EC “On waste electrical and electronic equipment (WEEE)” directive.

• Page 14: Arrangement And Operation

  Hearing Screening Systems (Technical Manual) 2.3. Arrangement and Operation The screening system is intended for the performing of two test types: OAE and ABR. The principle of operation at OAE performing is based on the registration of the auditory fluctuations of the cochlea OHC with the use of the probe microphone, in response to the auditory stimulation with the use of the telephones built in the probe.

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  Description and Operation headphones depending on what is used as an auditory stimulator. The brain electrical response is recorded from the electrodes, directed to the biopotentials amplifier input and then amplified. After that, it is transferred to the ADC, converted to the digital form and directed to CPM.

• Page 16: Description And Delivery Set

  Table 2 and Table 3 (1 and 2 columns correspondingly). Table 2. Base Delivery Set Number, pcs. Document code or main Name specifications Neuro-Audio-Screen electronic unit NSFT 057201.015 – Neuro-Audio-Screen/OAE electronic NSFT 057201.016 – unit Power supply unit PSU-9 NSFT 057201.009 Power cord SCZ-1 (1.5 m.) Bluetooth adapter 100 m, class 1, V.2.1, CSR chipset…

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  Description and Delivery Set Table 2. Continued Number, pcs. Document code or Name main specifications Operational Documentation Neuro-Audio-Screen, TM057.02.002.000 Neuro-Audio-Screen/OAE technical manual Neuro-Audio-Screen, Neuro-Audio- CG057.01.001.000 Screen/OAE calibration guidelines OAE probe guidelines GL032.03.001.000 Video manual on CD Version not lower than Software…
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  Hearing Screening Systems (Technical Manual) Table 3. Continued Number, pcs. Document code Name or main specifications Consumables Electrode adhesive paste TC 9398-011-34616468-2002 – Unipasta, 120 g Electrode abrasive paste – Everi, Italy, 160 g. for skin preparation Software Neuro-Audio.NET version not less than 1.0.6.0 software Computer and Electronic Equipment System unit…

• Page 19: Mounting And Setting

  4.2. Room Selection and Placement The Neuro-Audio-Screen and Neuro-Audio-Screen/OAE screening systems are portable devices that is why its exploitation is allowed in any rooms of patient care institutions where the temperature and the humidity of the environment corresponds to the conditions described in the device specifications.

• Page 20: Getting Started

  Hearing Screening Systems (Technical Manual) 4.4. Getting Started The offered sequence of operations will allow you to speed up the use of Neuro-Audio-Screen screening system for OAE recording. The operating order of ABR test performing is described in section 5.8 “Patient Preparation for ABR Test” and section 5.9 “ABR Test”.

• Page 21: Functioning

  The front panel of Neuro-Audio-Screen and Neuro-Audio-Screen/OAE screening systems contains the following control buttons (Fig. 3). Fig. 3. The front panel of Neuro-Audio-Screen and Neuro-Audio-Screen/OAE screening system (1). On/Off button. Four multifunctional buttons. They are used for the selection of the menu items, the entering of the personal patient’s data, the printing of the results, the…

• Page 22: Indication

  The front panel of Neuro-Audio-Screen and Neuro-Audio-Screen/OAE screening systems contains the following display means (Fig. 4). Fig. 4. The front panel of Neuro-Audio-Screen and Neuro-Audio-Screen/OAE screening systems (2). TFT LCD display. It is used for the displaying of the menu, the settings, the exam procedure and results, the additional information (battery condition, free space, Bluetooth mode (on/off) and the text line (the function of multifunctional buttons)).

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  Functioning The indicator glows green. This mode is activated when the device operates from the power supply unit after the rechargeable battery charge termination. The indicator glows yellow. It means that the rechargeable battery is being charged. It is displayed when the device is supplied from the power supply unit. The following message information is displayed on the LCD screen (Fig.

• Page 24: Connectors

  The resistance of the telephones should be not less than 10 Ω. The bottom panel of Neuro-Audio-Screen and Neuro-Audio-Screen/OAE screening systems contains the connector for the power supply unit (Fig. 7). Fig. 7. The bottom panel of Neuro-Audio-Screen and Neuro-Audio-Screen/OAE screening systems.

• Page 25: Turning On

  Functioning 5.2. Turning on To turn on Neuro-Audio-Screen and Neuro-Audio-Screen/OAE screening systems press and hold the device on/off button for about 2 seconds (Fig. 3). If the recharge- able battery has enough capacity, than the screen highlight will switch on in 3 seconds and the message information (the built-in software downloads into the device) will ap- pear on the screen.

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  Hearing Screening Systems (Technical Manual) The device is switched off. It is allowed to charge the battery in both modes. At that, if the device is switched on and is used for the exam performing, the charge process does not impact the measurement accuracy and TEOAE and DPOAE test results.
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  Functioning Before starting to use the rechargeable battery, it is necessary to charge it completely. Battery Capacity at the Delivery The supplied rechargeable battery is delivered in a partially discharged state, as it takes considerable time from the complete charge at the manufacturer’s plant. The spontaneous discharge of the rechargeable battery at the room temperature achieves 5% per month.
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  Replacement and Utilization of Li-ion Battery In some years of operation the replacement of Li-ion battery may be required. The replacement is carried out in the specialized service centers of Neurosoft Company. The used Li-ion battery must be utilized according to the accepted norms.

• Page 29: Entering Of Personal Data Of New Patient, Selection Of Patient From Database, Removal Of Patient Data

  Functioning 5.4. Entering of Personal Data of New Patient, Selection of Patient from Database, Removal of Patient Data Neuro-Audio-Screen and Neuro-Audion-Screen/OAE screening systems allow to enter the data of new patients to the memory (maximum 100), save the personal data and patient’s exam results, remove the personal data and the results of patients’…

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  Hearing Screening Systems (Technical Manual) To enter the name, choose the “Name” menu item using the arrow buttons and press “Change” button. The new window with the display keyboard (Fig. 10) will appear on the screen. To select the required letter, shift over the keyboard using the arrow but- tons, to enter this letter, press the “Select”…

• Page 31: Patient Preparation For Oae Test

  5.10.2 “Removal of Test Results”. 5.5. Patient Preparation for OAE Test To start operation on Neuro-Audio-Screen and Neuro-Audio-Screen/OAE screening systems you should study and master OAE technique. It is especially important for the testing of newborns and babies. The experience of application of the existing systems for OAE registration shows that it takes about 3 month to get the required skills for the performing of the newborns hearing screening.

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  The ear tip size is selected after the visual assessment of a patient’s external ear canal size. The delivery set of Neuro-Audio-Screen and Neuro-Audio-Screen/OAE screening system includes cone-shaped and mushroom-shaped ear tips. These tips are disposable and should be thrown away after the use.
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  Functioning The removal of the ear tip is performed in the following way. Holding the nozzle latches of OAE probe, slide the ear tip off according to Fig. 12. Fig. 12. Correct removal of ear tip. To avoid the break of drive latches, hold the OAE probe for the latches, other fingers positions during the ear tip removal are not recommended! Fig.

• Page 34: Teoae Test

  Hearing Screening Systems (Technical Manual) these extraneous masses by the new one and try again. The correctness of the OAE probe insertion at TEOAE exam can be checked indirectly by the stimulus shape. The Fig. 14 a) represents the oscillating stimulus shape. It does not match to TEOAE registration.

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  Functioning window, its spectrum is represented in the left bottom part of the window. The right bottom part of the window contains the information displaying panel. Besides, the top part contains a status line and the bottom one has the active menu line. The informa- tion displaying panel contains two linear scales: the one is for the displaying of the acoustic meatus volume (“volume”) and the other one is for the noise level displaying (“noise”).
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  Hearing Screening Systems (Technical Manual) After the stimulus intensity tuning, the device switches to TEOAE registration mode. The window displayed in this mode is given in the Fig. 17. Fig. 17. TEOAE test window (2). The top part of the window represents the shape of the averaged response, the left bottom one displays its spectrum.

• Page 37: Dpoae Test

  Functioning exceeds the total level of А-В noise. If the reproducibility criteria (“Reproducibility, %”) is set in TEOAE settings, the reproducibility coefficient will be displayed in- stead of the given criteria in percents. The reproducibility coefficient reveals the correlation between odd and even curves of a signal. …

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  Hearing Screening Systems (Technical Manual) is just under the information panel. Besides, the top part contains a status line and the bottom one has the active menu line. The information panel contains two linear scales: the one is for the displaying of the acoustic meatus volume (“volume”) and the other one is for the noise level displaying (“noise”).
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  Functioning display the noise level and the “St.” indicator of the OAE probe fitting stability in the form of a circle ( ) which becomes green at the normal stability and does red if it is bad. By the analogy with the seal control mode, the noise scale should be in the green area and the stability indicator should be green.

• Page 40: Patient Preparation For Abr Test

  Hearing Screening Systems (Technical Manual) 5.8. Patient Preparation for ABR Test To start operation on Neuro-Audio-Screen screening system one should study and master ABR technique. It is especially important for the testing of newborns and babies. The quality of ABR test performing depends on many factors. Apart the device functioning, the main factors to get the reliable and correct test results are the preparation quality and patient’s condition.

• Page 41: Abr Test

  Functioning The alternative scheme of the electrodes placement is possible: the red one (nonin- verting) is on the forehead, the black one (inverting) is in the middle of nucha, the green one (ground) is on the cheek (Fig. 21). Fig. 21. The Alternative schematic of the electrodes placement at ABR registration. At the beginning of testing the electrode impedance is checked automatically, and in case it exceeds 5 kΩ, the testing is not started.

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  Hearing Screening Systems (Technical Manual) Press the “Select” button. Just after the test start, the screening system switches to the impedance measurement mode (Fig. 22). Fig. 22. The impedance measurement window. The current values of impedance for the electrodes “+”, “-” and “Ground – ”…
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  Functioning received during the registration process on the grid background. The bottom part con- tains the information panel. Besides, the status line is provided in the top part of the window, and the signature line for the buttons is located in the bottom part. The next stage depends on the applied stimulator.

• Page 44: Review, Printing And Removal Of Results

  Hearing Screening Systems (Technical Manual) level is normal, the scale color is green. If it exceeds the specified rejection threshold, the scale becomes red and the current epoch is rejected. Rightward the information panel the following information is displayed:  “Stim./Art.” – the number of the averaged responses and the number of the rejected responses.

• Page 45: Review And Printing Of Test Results

  Functioning The test results are saved in the device memory separately for each patient. The number of the tests saved in the device memory is not less than 200. The saving of several results by several techniques is possible for one patient. 5.10.1.

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  Hearing Screening Systems (Technical Manual) After selection of the required exam, press the “View” button. The exam result and all the required data (Fig. 25, Fig. 26, Fig. 27) will appear on the screen. If you want to print the test result on the printer, press “Print” button. To terminate the review, press “Close”…
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  Functioning Fig. 27. The review of TEOAE test results. Fig. 28. The review of DPOAE test results. At the “Print” button pressing, the Bluetooth wireless connection is activated automatically. After the printing termination, the connection deactivates that is why there is no need to change Bluetooth settings in the “Settings”…

• Page 48: Removal Of Test Results

  Hearing Screening Systems (Technical Manual) There are two types of the reports: complete and brief (see the report descriptions in the sections “TEOAE Report Description”, “DPOAE Report Description”, “ABR Report Description”). The report type for printing can be selected in the printer settings. The brief report type allows to use the printer paper more efficiently.

• Page 49: Teoae Report Description

  Functioning 5.10.3. TEOAE Report Description The complete report is represented in the Fig. 29. Fig. 29. The view of the TEOAE complete report. The report consists of the following components: 1. Name of a patient if it was entered. 2. Date of birth if it was entered. 3.

• Page 50: Dpoae Report Description

  Hearing Screening Systems (Technical Manual) 8. Amplitude of the received total response (in dB), or reproducibility coefficient, 9. Amplitude of the received total noise (in dB). 10. Analysis table column by frequencies in which the frequency (in kHz) is given. 11.

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  Functioning 1. Name of a patient if it was entered. 2. Date of birth if it was entered. 3. Date of the test performing based on the settings of the internal clock. If the clock is set correctly, the date in the report will also be correct. 4.

• Page 52: Abr Report Description

  Hearing Screening Systems (Technical Manual) 5.10.5. ABR Report Description The complete report is represented in the Fig. 31. Fig. 31. The view of the ABR complete report. The report consists of the following components: 1. Name of a patient if it was entered. 2.

• Page 53: Settings

  The brief report form differs in the absence of the 9-12 elements. Settings The Neuro-Audio-Screen and Neuro-Audio-Screen/OAE screening systems pro- vide the possibility to change different settings. Pay attention, that OAE and ABR set- tings are specified by default, that is why there is no need to change these parameters without reason.

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  Hearing Screening Systems (Technical Manual)  Volume level 1, dB SPL – 65.  Volume level 2, dB SPL – 55.  Noise level, dB SPL – 25.  SNR pass criteria, dB – 8.  Frequencies for pass, % – 50. …

• Page 55: General Settings

  Settings To change the settings, it is necessary to select “Settings” item in the main menu by pressing the “down” arrow button and press “Select” button. The “Settings” window appearance is shown in the Fig. 32. Fig. 32. The “Settings” menu window. 6.1.

• Page 56: Teoae Settings

  Hearing Screening Systems (Technical Manual) If the Bluetooth connection is activated, the operation time of the screening system supplied from the built-in rechargeable battery lessens, that is why disable this function if it is not required at the present moment. 6.2.

• Page 57: Dpoae Settings

  Settings Please pay attention that the default templates can not be changed and/or removed. To add the template, press “New” button, enter the name of a new template and set it up. If you want to remove the template, press “Delete” button. Fig.

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  Hearing Screening Systems (Technical Manual)  Frequencies for pass, %. Change range – from 50% up to 100%.  Point time, s. Change range – from 0,5 s up to 5 s. These settings are stored in the templates. The screening system provides three de- fault templates –…

• Page 59: Abr Settings

  Settings The “SNR pass criteria, dB” setting specifies the criteria for test passing by signal-to-noise ratio on the required frequency. The “Frequencies count for pass, %” specifies the minimal percent of the frequencies for test performing to obtain the “PASS” total test result. This setting is used together with the “SNR pass criteria, dB”…

• Page 60: System Settings

  Hearing Screening Systems (Technical Manual) “Change” button. After that the window represented in the Fig. 35 will appear. Switch the template using “right” and “left” arrow buttons. Please pay attention that the default templates can not be changed and/or removed. To add the template, press “New”…

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  Settings  Date.  Time.  Brightness – brightness of the screen highlight. Change range – from 1 up to 11.  Auto turn off, min. Change range is from 1 up to 30 minutes or dash (do not use automatic device switch off).
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  Hearing Screening Systems (Technical Manual) To change the microphone sensitivity, select the “Sensitivity” menu item using “up” and “down” arrow buttons. Change the value by 1 unit by pressing the arrow buttons “left” (-1) and “right” (+1) or by 10 units by pressing “-10” and “+10” buttons. To change the printer type, select the “Printer type”…
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  Settings To set the date, choose the “Date” menu item using “up” and “down” buttons and press “Change” button. The date setting window is represented in the Fig. 38. Fig. 38. The date and time setting window. In English language the date is entered in the same format it is represented in the menu, i.e.
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  Hearing Screening Systems (Technical Manual) The device provides the possibility to protect the settings from unauthorized change. To do this, enter the password to access the settings. The four-digit code can be used as a password. In case the password is set, you should enter it in the appeared window to change the settings of OAE, ABR and system settings.

• Page 65: Data Exchange With Computer

  Data Exchange with Computer Select the last but one menu item by pressing “down” arrow button. Press the left-most multifunctional button (if the dialog box offering to enter the figures will appear on the screen, enter the password and press the right-most multifunctional button).

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  Hearing Screening Systems (Technical Manual) Step 1. Activate Bluetooth on the screening system (see section 6). The screening system should be near the computer. Find the Bluetooth item on the computer task bar, press it with the right mouse button and in the appeared menu choose the “Join a Personal Area Network”…
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  Data Exchange with Computer Step 3. In the appeared dialog box check the “My device is set up and ready to be found” checkbox and press “Next” button (Fig. 41). Fig. 41. Device connection with the computer. Step 3. Step 4. The computer will perform searching and in some time will show the list of the detected devices.
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  Hearing Screening Systems (Technical Manual) Step 5. In the appeared dialog box select “Use the passkey found in the documenta- tion” and enter the passkey “12345” (Fig. 43). Press “Next” button. Fig. 43. Device connection with the computer. Step 5. Step 6.

• Page 69: Operation With Neuro-Audio-Screen Manager Software

  Fig. 45. Device connection with the computer. Step 7. 7.2. Operation with Neuro-Audio-Screen Manager Software The Neuro-Audio-Screen and Neuro-Audio-Screen/OAE screening systems are supplied with the Neuro-Audio-Screen Manager software. It can function properly on any IBM compatible computer with Intel Pentium Celeron 1 GHz (Intel Pentium IV is recommended) processor and under control of Windows XP/Vista/7 operating system.

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  In case the installation disk is missing, you can always download all the necessary components and last version of the program distributive from our site: http://www.neurosoft.ru/eng/soft/. To get an access to the files, en- ter the name and the password which you can obtain in the commercial de- partment of Neurosoft Ltd.
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  Data Exchange with Computer  “№” – the sequence number.  “*” – the selection area (is used to generate the reports and for exams import).  “Patient” – patient name.  “Sex” – patient sex.  “Date of birth” – patient date of birth. …

• Page 72: Receiving Of Patient List And Exams

  Hearing Screening Systems (Technical Manual) 7.2.1. Receiving of Patient List and Exams To receive the list of patients and exams from the device, it is required to activate Bluetooth on it and make the connection as it was described above. After that it is possible to receive the list of patients.

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  Data Exchange with Computer In this list select those patients whose exams you would like to import (or select all of them to receive all the exams). After the patients selection, press “Import exams” button. The dialog box asking where the information should be saved will appear on the screen (Fig.

• Page 74: Operation With Saved Exams

  Hearing Screening Systems (Technical Manual) 7.2.2. Operation with Saved Exams To open the saved data, press “Open database” button. The dialog box for file se- lection will appear on the screen (Fig. 50). Fig. 50. Database opening from the disk. Select the folder where the information about the patients and exams is kept (pa- cients.xml file should be available there).

• Page 75: Exam Review And Print

  Data Exchange with Computer 7.2.3. Exam Review and Print To review and/or print the exams, select the required rows in the list of patients and press “Generate report” button. The exam report for all selected patients will be generated and displayed in the report area (Fig. 52). Fig.

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  Hearing Screening Systems (Technical Manual) Enter the required patient data and press “OK” button or use “Cancel” button if you do not want to add the patient to the list. Also you can use keyboard keys: [Enter] key pressing is analogous to “OK” button pressing and [Esc] button is equal to “Cancel” one.
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  Data Exchange with Computer At any moment you can create the new patients list. To do this, press “Create new pa- tients list” button. If the current patients list already contains the records, the warning (Fig. 56) will appear on the screen. Fig.

• Page 78: Service Functions

  Hearing Screening Systems (Technical Manual) 7.2.5. Service Functions Service functions include the switching of program interface language, updating of device firmware and settings. The program allows switching the interface language if other language was selected during the installation or it is required to switch temporarily from one language to an- other one.

• Page 79: Firmware Updating

  Data Exchange with Computer To change the password (or set it for the first time), enter the password in “Password:” input box and confirm it in “Re-type password:” input box. Then press “Set password” button. If the password and its confirmation coincide, the password will be set. If you check the “Protect settings and service mode by password”…

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  Hearing Screening Systems (Technical Manual) The updating is activated by pressing “Update device firmware” button. Depending on the manager settings, the dialog box for the password entering can appear on the screen. Only the specialists can update the device firmware as far as the device operation can be violated.
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  Data Exchange with Computer The file name can differ from the one indicated in the figure. The updating files are one and the same for all versions of Neuro-Audio-Screen device. After the file selec- tion the program will update the device firmware. During the updating it is prohibited to switch off the computer or disconnect from it.

• Page 82: Troubleshooting

  Neuro-Audio-Screen, Neuro-Audio-Screen/OAE Hearing Screening Systems (Technical Manual) Troubleshooting Table 4. Troubleshooting Trouble Symptom Possible Cause Way of Removal The screening system does not The rechargeable battery is Connect the power supply unit. switch on when supplied from discharged. the rechargeable battery.

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  Ltd. Please, pay attention that the replacement of the battery must be carried out in the service center of Neurosoft Ltd. as far as this procedure results in the electronic unit opening and you may loose the warranty if you address to other service centers or open the unit yourself.

• Page 84: Technical Servicing

  The screening system should be serviced while the operation on the device and also maintained regularly. The volume of technical servicing is indicated in chapter 9.2 “Maintenance Works”. The delivery set check of Neuro-Audio-Screen and Neuro-Audio-Screen/OAE screening systems is done by conformity to the device packing report. 9.2. Maintenance Works The maintenance works include the external examination, check of connectors and cables, removal of contaminations from the units’…

• Page 85: Device Functioning Check Using Test Cavity

  Technical Servicing 9.4. Device Functioning Check Using Test Cavity The check should be performed in a quiet room. To check the functioning in TEOAE mode, connect the OAE probe to the device and insert it in test cavity. Switch on the device.

• Page 86: Oae Probe Check

  Neuro-Audio-Screen, Neuro-Audio-Screen/OAE Hearing Screening Systems (Technical Manual) Fig. 66. The screen view at frequency response calibration. After the test finishing, the test result should be “REFER”. The emission should lack for all frequencies (Fig. 67). Fig. 67. The screen view after DPOAE test finishing.

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  Technical Servicing To check the OAE probe, apply the test cavity supplied with the device. The run of the check while the probe is out of the test cavity will cause the wrong results! The check is performed in special “OAE probe check” mode. In this mode the comparison of OAE probe specifications with already set specifications is carried out.
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  Neuro-Audio-Screen, Neuro-Audio-Screen/OAE Hearing Screening Systems (Technical Manual) Fig. 69. Reminding of the necessity to perform the check in test cavity. If you press “Close” button, the window will be closed and you will return to “Setup” menu (Fig. 68). Press “Check” button to run the OAE probe check. The check results are displayed on the screen as several bars directed up and down.
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  Technical Servicing  Try to clean the probe tip. If the OAE probe passes the repeated check, it means, the OAE probe tip was clogged.  In case two first operations did not work, try to replace the OAE probe tip. …

• Page 90: Conservation

  Neuro-Audio-Screen, Neuro-Audio-Screen/OAE Hearing Screening Systems (Technical Manual) After that, you can press “Close” button. The message with “Remember this probe as a new one?” question will appear on the screen (Fig. 72). Fig. 72. Question concerning the saving of new OAE probe specifications.

• Page 91: Storage Regulations

  The device utilization is performed according to the current legislation of the area where the equipment is used. Special requirements to device utilization are not provided by the manufacturer. 13. Delivery Set and Package Data Neuro-Audio-Screen hearing screening system, Neuro-Audio-Screen/OAE hearing screening system with serial number ________________________ collected packed according 9441-057-13218158-2008 requirements.

• Page 92: Acceptance Certificate

  Neuro-Audio-Screen, Neuro-Audio-Screen/OAE Hearing Screening Systems (Technical Manual) The detailed information about the delivery set is described in the package report which is an integral part of the present document and should be kept along with it. 14. Acceptance Certificate screening…

• Page 93: Warranty

  14.4. The manufacturer is obliged to repair the equipment in case of breakdown during the warranty period free of charge. The repair is carried out in the service center of Neurosoft Company (5, Voronin str., Ivanovo, 153032, Russia), only if this registration certificate is provided.

• Page 94: Reclamation Data

  Neurosoft Ltd., authorized European representative or nearest distributor. The actual list of Neurosoft Ltd. distributors is represented on the web site: http://www.neurosoft.ru/eng/useful/links.aspx. This notification should contain the following information: …

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  Reclamation Data Table 6. Reclamation Data. The date of Brief description of The date of Taken measures Note failure or the trouble reclamation trouble sending appearance…

• Page 96: Repair Data

  Neuro-Audio-Screen, Neuro-Audio-Screen/OAE Hearing Screening Systems (Technical Manual) 19. Repair Data Table 7. Repair Data. Name and Degree of Date Name of Position, code of faulty imperfectio repair works name, signature of completio arrival unit person n of repair Carried out…

• Page 97: Annex 1. Electromagnetic Emission And Immunity

  Annex 1. Electromagnetic Emission and Immunity Annex 1. Electromagnetic Emission and Immunity Guidance and manufacturer’s declaration – electromagnetic emissions The screening system is intended for operation in electromagnetic conditions environment described below. The customer or user of the screening system should provide the screening system operation in the specified electromagnetic conditions environment.

• Page 98
  Neuro-Audio-Screen, Neuro-Audio-Screen/OAE Hearing Screening Systems (Technical Manual) Guidance and manufacturer’s declaration – electromagnetic immunity The screening system is intended for operation in electromagnetic conditions environment described below. The customer or user of the screening system should provide the screening system operation in the specified electromagnetic conditions environment.
• Page 99
  Annex 1. Electromagnetic Emission and Immunity Guidance and manufacturer’s declaration – electromagnetic immunity The screening system is intended for operation in electromagnetic conditions environment described below. The customer or user of the screening system should provide the screening system operation in the specified electromagnetic conditions environment.
• Page 100
  Neuro-Audio-Screen, Neuro-Audio-Screen/OAE Hearing Screening Systems (Technical Manual) Recommended separation distances between portable and mobile RF communications equipment and screening system The screening system is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of the screening system can help prevent…

• Page 101: Annex 2. Format Of Neuro-Audio-Screen Exported Files

  Annex 2. Format of Neuro-Audio-Screen Exported Files Annex 2. Format of Neuro-Audio-Screen Exported Files The database of patients and exams is stored in a device memory as text files in XML-format: the information about a patient is kept in pacients.xml file, the information about the performed exams is done in pac_ID.xml files where ID is a unique identificator of a patient.

• Page 102
  Neuro-Audio-Screen, Neuro-Audio-Screen/OAE Hearing Screening Systems (Technical Manual) The structure of <information> subsection. This subsection contains the following tags:  pac_ID – the unique identificator of a patient (ID) with the pac_ prefix;  name – a patient’s name;  sex – a patient’s sex (can have values 1 – male, 2 – female, 0 – was not indicated);…
• Page 103
  Annex 2. Format of Neuro-Audio-Screen Exported Files 123|45|67|89|). After the last number the separator (vertical bar) in an array is indi- cated obligatory. The structure of data for ABR test. It is opened with abr_nnnnnnnnn tag, where nnnnnnnnn is a unique identificator of a exam.
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  Neuro-Audio-Screen, Neuro-Audio-Screen/OAE Hearing Screening Systems (Technical Manual) The structure of data for DPOAE test. It is opened by dpoae_nnnnnnnnn tag where nnnnnnnnn is a unique exam identificator. What is saved Description date Date and time of the exam Format dd/mm/yyyy, hh:mm…
• Page 105
  Annex 2. Format of Neuro-Audio-Screen Exported Files What is saved Description DPOAESuccessPoints Number of points for successful (integer), it indicates for which pass (in %) number in percents from the maximal number of points it is necessary to obtain the positive response to pass the test SizeOfdpcN Number of points in curve for the…
• Page 106
  Neuro-Audio-Screen, Neuro-Audio-Screen/OAE Hearing Screening Systems (Technical Manual) What is saved Description criteriaIndex Number of frequencies for OAE 0 – 2 frequencies separation from 1 up to 4 kHz and additionally 5 kHz, 1 – any 3 frequencies, 2 – any 4 frequencies, 3 –…

Цена по запросу

Скрининговый прибор Нейро-Аудио/Скрин предназначен для быстрой проверки органов слуха, проведения аудиометрии у детей с первых дней жизни.

Описание

Объективная аудиометрия «три в одном» Нейро-Аудио/Скрин предназначен для проверки слуха пациента методами отоакустической эмиссии и слуховых вызванных потенциалов: задержанная вызванная отоакустическая эмиссия (ЗВОАЭ), отоакустическая эмиссия на частоте продукта искажения (ЭПЧИ), коротколатентные слуховые вызванные потенциалы мозга (КСВП).

Особенности прибора Нейро-Аудио/Скрин

• Прибор совместим с устройствами на базе OC Android

• Быстрая и простая настройка протоколов обследования

• Самый маленький, мощный прибор

• Оперативное проведение стандартных тестов

• Возможность использовать аппарат на выезде

• Получаемые результаты можно изучать на экране смартфона/планшета, сохранять и передавать данные по сети

• Простой в управлении

• Качественное подавление шума

• Точная калибровка прибора/зонда

• Скрининг по методикам ЗВОАЭ и ЭЧПИ за несколько секунд

Комплектация прибора Нейро-Аудио/Скрин

Нейро-Аудио-Скрин — это портативный скрининговый прибор для проведения объективной аудиометрии у детей с первых дней жизни. 

«Три в одном»:
— задержанная вызванная отоакустическая эмиссия (ЗВОАЭ)
— отоакустическая эмиссия на частоте продукта искажения (ЭЧПИ)
— коротколатентные слуховые вызванные потенциалы мозга (КСВП) для более углубленных скрининговых исследований
Возможность выполнения всех перечисленных методик в экспертных режимах, что превращает прибор в клинический
Возможность мгновенной передачи данных в электронные картотеки лечебного учреждения через Bluetooth
Объем встроенной памяти — 512 Мб, внешней памяти — до 32 Гб
Удобный и простой в использовании интерфейс touchscreen
Печать результатов на портативном принтере или обычном лазерном принтере

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