Interacoustics PA5 Operation Manual
Pediatric audiometer
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- Instructions for use manual (138 pages) ,
- Instructions for use manual (20 pages)
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Summary of Contents for Interacoustics PA5
- Page 1 Operation Manual Pediatric Audiometer PA5 Valid from serial 01 80691221 – 09/2009...
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Page 3: Table Of Contents
Table of Contents Table of Contents ................1 Introduction ..................2 Intended Use ................2 Precautions ................2 Warranty ................... 4 Basic Functions ................6 Description of Control Panel ............. 6 Description of Stimuli Panel ............. 7 Batteries .................... 8 Replacing Batteries .............. -
Page 4: Introduction
Introduction Intended Use The PA5 handheld paediatric screening audiometer is designed to be a device for screening for hearing loss primarily amongst children. Output and specificity of this type of device are based on the test characteristics defined by the user, and may vary depending on environmental and operating conditions. - Page 5 It is recommended that parts which are in direct contact with the patient (e.g. earphone cushions) are subjected to standard disinfecting procedure between patients. This includes physically cleaning and use of a recognised disinfectant. Individual manufacturer's instruction should be followed for use of this disinfecting agent to provide an appropriated level of cleanliness.
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Page 6: Warranty
Furthermore, this warranty shall not apply to, and Interacoustics shall not be responsible for, any loss arising in connection with the purchase or use of any Interacoustics product that has been: • repaired... - Page 7 Interacoustics. This warranty is in lieu of all other warranties, express or implied, and of all other obligations or liabilities of Interacoustics, and Interacoustics does not give or grant, directly or indirectly, the authority to any representative or other person to assume on behalf of Interacoustics any other liability in connection with the sale of Interacoustics products.
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Page 8: Basic Functions
20 and 80 dB HL can be selected in steps of 10 dB when the distance between the ear and the loudspeaker is 50 The PA5 is switched off by leaving the intensity control switch in the “Off” position. Frequency kHz:... -
Page 9: Description Of Stimuli Panel
Three LEDs arranged in a triangle for conditioning of the orientation reflex. Headphone Connector: Connector for single Headphone TDH39S (optional). When the headphone is connected PA5 will automatically go to Pure Tone stimulation and correct calibration for Pure Tone Audiometry with TDH39S will be applied. -
Page 10: Batteries
Replacing Batteries To replace old batteries unscrew the small black lid in the narrow end of PA5 and the batteries can be removed. Replace with three new AA batteries. When inserting the new batteries please make sure that they are inserted correctly according to the small drawing in the bottom part of the control panel. -
Page 11: Auditory Behaviour
Auditory Behaviour Auditory Behaviour -Test Overview Waking Respiration Aud. Recommended age group (month) 0 - 3 0 - 4 0 - 12 4 - 15 6 - 30 Preferred Frequency: 500 Hz 1000 Hz 2000 Hz 3000 Hz 4000 Hz Tone Duration (Sec) 1.5-2... -
Page 12: Description Of Various Tests
Noise (WN) assure better responsiveness on neonates and up to the age of approximately seven months than e.g. pure tones and Narrow Band Noise. Therefore PA5 has the possibility of stimulating with The APR Test: The Auropalpebral Reflex is a startle reflex of the eyelid elicited by relatively strong sounds, approximately 80 - 100 dB SPL (PA5 is calibrated in dB HL). -
Page 13: Auditory Behaviour Index For Infants
Auditory Behaviour Index for Infants Reaction on Reaction Reaction Expected noisemaker on warbled on Speech Response (approx. pure tones (dB HL) dB SPL) (dB HL) Eye-widening, eye-blink, stirring 0–6 weeks 50-70 dB 78 dB (+ 6) 40-60 dB or arousal from sleep, startle. -
Page 14: Reflex Audiometry By Neonates
Reflex Audiometry by Neonates The reflex pattern elicited by sound can be divided into the following types of reflexes (Relke and Frey 1966). The sound intensity is 75 – 90dB. Breathing Reflex The breathing rhythm is changing when the sound is heard and should stabilise after 5-10 seconds. - Page 15 3-4 months of age Rudimentary head turn, horizontally. MRL: 50-60 dB. 4-7 months of age Sound localisation to the side only, not above or below eye level. MRL: 40-50 dB. 7-9 months of age Sound localisation to the side Indirect below.
- Page 16 13-16 months of age Sound localisation to the side, below and indirect above. MRL: 25-35 dB. 16-21 months of age Direct sound localisation to the side, below, indirect above. MRL: 25-35 dB. 21-24 months of age Locates directly sound at any angle.
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Page 17: Technical Specifications
Sound Pressure Level of the headphone: ISO 389-1 EMC: IEC 60601-1-2 Medical CE-Mark: The CE-mark indicates that Interacoustics A/S meets the requirements of Annex II of the Medical Device Directive 93/42/EEC. TÜV Product Service, Identification No. 0123, has approved the quality system. - Page 18 L x W x H: 25 x 7 x 5 cm / 9.8 x 2.7 x 2 inches. Weight: 0,36 kg incl. batteries. 0,8 lb. incl. batteries. Warm-up time: The PA5 is ready for instant use and does not require any warm-up time. Environmental conditions: The specification for the instrument is valid if the instrument is...
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Page 19: Unpacking / Inspection
Keep carton for future shipment: The PA5 comes in its own shipping carton, which is specially designed for the PA5. Please keep this carton. It will be needed if the instrument has to be returned for service. If service is required, please contact your nearest sales and service office. -
Page 20: Reporting Imperfections
Annual calibration headset: The PA5 has been designed to provide many years of reliable service, but annual calibration is recommended due to possible impact on transducers. We do also recommend to calibrate the PA5, if something drastic happens to the instrument (e.g. -
Page 21: Trouble Shooting
Trouble Shooting PA5 does not turn on: The batteries have to be replaced. The batteries might be wrongly inserted into the instrument (see passage concerning “Batteries” on page 8 of this manual). No stimuli from the PA5s internal loudspeaker: The “dB HL” intensity control is switched off. -
Page 22: Recommended Literature
Recommended Literature Jerger, James: Paediatric Audiology, Current Trends Katz, Jack: Handbook of Clinical Audiology, Fourth Edition (Williams & Wilkins). Löwe, Armin: Pädagogische Hilfen für hörgeschädigte Kinder in Regelschulen. Löwe, Armin: Kinder-Audiometrie (Carl Marhold Verlagsbuchhandlung). McCormick, Barry: Paediatric Audiology 0 – 5 years, Second Edition (Taylor & Francis) Northern, Jerry L. -
Page 23: Appendix: General Maintenance Procedures
Appendix: General Maintenance Procedures The performance and safety of the instrument will be kept if the following recommendations for care and maintenance are observed: − It is recommended to let the instrument go through at least one annual overhaul, to ensure that the acoustical, electrical and mechanical properties are correct. - Page 24 Page 22 Operation Manual...
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Page 25: Return Report
Return Report Page 23 Operation Manual...