User Manual Welch Allyn Medical Diagnostic Equipment - REF 29400

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OAE Hearing Screener









Directions for Use

REF 29400







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Summary of Contents

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    OAE Hearing Screener Directions for Use REF 29400
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    COPYRIGHT © 2009 Welch Allyn. All rights are reserved. No one is permitted to reproduce or duplicate, in any form, this manual or any part thereof without permission from Welch Allyn. Welch Allyn assumes no responsibility for any injury to anyone, or for
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 2 Distributed by Welch Allyn under agreement with Natus Medical Incorporated PROPERTY OF NATUS MEDICAL INCORPORATED ALL RIGHTS RESERVED U.S. Patents nos. 5,738,633 and 6,149,605 Bio-logic is
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 3 Contents Chapter 1: Introduction .................................................................................................................... 4 About this manual ........................................................................................................................
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 4 Chapter 1: Introduction The Welch Allyn OAE Hearing Screener measurement system performs otoacoustic emissions tests. Using a combination of hardware and software, the Welch Allyn OAE Hearing
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 5 Abbreviations ART LVL - artifact level; refers to the threshold at which samples of data coming into the Welch Allyn OAE Hearing Screener for processing are rejected before averaging in order
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 6 L1 - level or intensity of F1; the lower of the stimulus frequencies expressed in dB SPL. L2 - level or intensity of F2; the higher of the stimulus frequencies expressed in dB SPL. NF - noise
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 7 Chapter 2: Welch Allyn OAE Hearing Screener Components and Hardware Setup Cable Connections The cable connections to the Welch Allyn OAE Hearing Screener box are described in the figure and
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 8 Probe part #29402 is compatible only with Welch Allyn OAE Hearing Screener (blue) hardware 29400/29401. Charger Unit Assembly The charger unit is not required for normal operation. The unit
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 9 Communication Cable Assembly The communication cable is provided only for loading the Welch Allyn OAE Hearing Screener internal firmware or for downloading data to a computer. Communication
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 10 Chapter 3: Environment and Patient Preparation There is minimal patient preparation required for an OAE test. Since the test measures a physiologic event, no behavioral response is required
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 11 Patient Instructions For patients who can understand instructions, the following information will help prepare them for the test. Inform them that: 1. You will insert the ear tip into the
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 12 Chapter 4: Care and Maintenance of the Probe
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 13
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 14 Chapter 5: Quick Guides and Instructional Videos This section of the document presents Quick Guides, step-by step test procedures and other useful information. The Quick Guides: • List the
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 15
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 16
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 17 Quick Guide: Causes of ‘Refer” r Welch Allyn OAE Hearing Screener Troubleshooting Quick Guide: Causes of Refer Results Noise Problem Possible solutions ♦ Noisy surroundings — Other people
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 18 Obstructions Problem Possible solutions ♦ Cerumen, vernix, or other debris — In the ear — On the probe tip — On the probe ♦ IN THE EAR: — Make sure that a properly trained technician examines
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 19 Chapter 6: Welch Allyn OAE Hearing Screener Clinical Competency Evaluation and Result Letters The Welch Allyn OAE Hearing Screener Clinical Competency Evaluation is used for the Train the
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 20 Welch Allyn OAE Hearing Screener Clinical Competency Evaluation Purpose: This evaluation certifies that _________________ has met Welch Allyn’s requirements for utilizing the OAE Hearing
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 21 PEDIATRIC HEARING SCREENING RESULTS Date of Exam:________________________ Patient’s Name:________________________ Date of Birth:________________________ This patient's hearing was screened
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 22 PEDIATRIC HEARING SCREENING RESULTS Date of Exam:________________________ Patient’s Name:________________________ Date of Birth:________________________ This patient's hearing was screened
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 23 Chapter 7: System Operation The front label of the Welch Allyn OAE Hearing Screener incorporates five buttons that the user presses to turn on or reset the box and move through the possible
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 24 The UP and DOWN arrow buttons move through the list of program choices and data files. Press the UP or DOWN arrow keys until the desired program function appears in the LCD. Then press the
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 25 Chapter 8: Distortion Product Otoacoustic Emissions Performing a DPOAE Test This flow chart begins at the point where the Power ON flow chart ended. The steps shown here are specific for
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 26 After 10 tests have been performed, the next test (test 11) will overwrite the first test. This proceeds in a continuous loop so that only the last 10 tests performed are saved and accessible
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 27 Viewing DPOAE Test Details or Retesting an Ear with a Refer Result Immediately After a Test This flow chart begins at the point immediately after the DPOAE test has been successfully completed
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 28 Printing DPOAE Test Details Immediately After a Test The Welch Allyn OAE Hearing Screener with the serial label printer prints out a 2” x 4” self-adhesive label showing the test details
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 29 Viewing Previously Collected DPOAE Data This flow chart begins at the point where the PERFORM DPOAE message is displayed and shows the program flow for instances in which you wish to view
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 30 Chapter 9: Printing Previously Collected Data – Single Ear The AC power supply must be connected to the back of the printer and plugged into an outlet. The printer must be powered ON using
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 31 displayed will be the last test performed. When the desired test numbers have been chosen, press the DX SELECT button to print out a label for that particular patient. If the printer is
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 32 Chapter 10: Printing Previously Collected Data – Both Ears on One Label This flow chart begins at the point where the PERFORM DPOAE message is displayed and shows the program flow for instances
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 33 Label Feed Button On Button Chapter 11: Printer See Chapters 8, 9 and 10 for instructions about how to print out tests from the Welch Allyn OAE Hearing Screener. The Welch Allyn OAE Hearing
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 34 Ordering Labels To order labels call Welch Allyn at 1-800-535-6663.
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 35 Chapter 12: System Default Protocol The Welch Allyn OAE Hearing Screener comes pre-programmed with a DPOAE default screening protocol. The system default protocol is: DPOAE System Default
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 36 DPOAE Measurement-Based Stopping Rules per Test The system default DPOAE protocol stops the test when the conditions for an overall test Pass or Refer occur. For example, if the first 3
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 37 Chapter 13: Reloading WA OAE Firmware (WA OAE Load software) The Welch Allyn OAE Hearing Screener runs on firmware that resides on a memory chip inside the unit. Each Welch Allyn OAE Hearing
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 38 • If your PC does not support the automatic running of the installation software on the CD you will need to browse to the CD drive using Windows Explorer and open the file named “install.exe”
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 39 8. Exit the application when the WA OAE Firmware download is complete. Note: If you need assistance installing the WA OAE Load software on your PC or downloading WA OAE Firmware, please
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 40 Chapter 14: Exporting using ASCII Link ASCII Link is a utility program that lets you download data from the Welch Allyn OAE Hearing Screener unit's memory to a PC and convert it to an ASCII
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 41 Chapter 15: Troubleshooting, Service and Warranty Error messages usually appear on the LCD when the system is unable to perform a desired function. This section lists some of the more common
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 42 This message appears when one of the buttons on the Welch Allyn OAE Hearing Screener label is depressed for more than .3 sec. Releasing the button returns the system to normal operation.
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 43 Service Caution Unauthorized repairs will void the warranty. A Welch Allyn Service Center must perform all repairs on products under warranty. Qualified electronics personnel or a Welch
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 44 Appendix A Precautions and Safety Instructions Equipment Identification Labels and Markings Classification The International Electrotechnical Commission classifies electro-medical equipment
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 45 Electrical Installation Requirements The following requirements are necessary only when using the Welch Allyn OAE Hearing Screener in an AC-powered configuration. Grounding is not necessary
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 46 Environmental Specifications Temperature Operating: 15 to 40 degrees C Storage: -20 to 70 degrees C Humidity Operating: 15% to 95% @ 40 degrees C non-condensing Storage: 90% @ 65 degrees
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 47 Electromagnetic Immunity The REF 29400 Series OAE Hearing Screener is intended for use in the electromagnetic environment specified below. The customer or user of the REF 29400 Series OAE
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 48 Electromagnetic Immunity The REF 29400 Series OAE Hearing Screener is intended for use in the electromagnetic environment specified below. The customer or user of the REF 29400 Series OAE
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 49 b Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m. Recommended Separation Distances Between Portable and Mobile RF Communications Equipment and the
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 50 Installation Precautions Observe the following precautions when using the Welch Allyn OAE Hearing Screener and related equipment. Environmental Conditions • Select a room with properly grounded
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 51 System Hookups • Verify the maximum load for any multiple portable socket-outlet (if used) does not exceed 750 VA. • Do NOT place any multiple portable socket-outlets (if used) on the floor.
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 52 Installation Verification Use the following list to verify all equipment is correctly installed before use. • Verify all equipment and cables are undamaged and in perfect working condition.
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    Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E 53 INDEX A Abbreviations ..................................................5, 6 ASCII Link .........................................................40 AuDX Buttons ...................................................23
 
 

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