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The Otodynamics Otoport/Otocheck OAE+ABR device is indicated for use when there is a requirement to screen for hearing disorders by objective and non-invasive means. ABR, TEOAE and DPOAE screening test results are automatically interpreted and a clear 'Pass' or 'Refer' result is presented to the user who will be a trained screener, audiologist or medical professional. Use of the device is indicated when the patient is unable to give reliable voluntary responses to sound, especially with infants. Use of the device facilitates the early detection of hearing loss and its characterization. The TEOAE and DPOAE analytical functions of the device are indicated when objective non-invasive clinical investigations require the characterization and monitoring of the functional status of the peripheral auditory function. For this purpose the device is intended to be used by audiologically skilled professionals. These TEOAE and DPOAE tests are applicable to populations of any age to obtain objective evidence of peripheral auditory function.

The Otodynamics Otoport/Otocheck OAE+ABR device is a compact, handheld, batterypowered electronic device which records physiological responses to sound for the purpose of hearing testing. The device records two responses of the auditory system to sound, namely the otoacoustic emission (OAE) response from the inner ear and the auditory brainstem response (ABR) from the brain. The OAE response is acoustically stimulated and recorded via an insert earphone device called a 'probe'. The ABR response is also acoustically stimulated via the OAE probe but is recorded electrically via self-adhesive conducting pads called 'electrodes', which are placed on the scalp. The device provides- - A hearing screening function based on the detection of either OAE or ABR responses - An analysis of OAE responses for use in the clinical investigation of hearing disorders. For hearing screening purposes the responses are automatically analyzed and interpreted to give an unambiguous Pass / Refer result. A 'Pass' result means that normally expected responses to the primary speech frequency sounds have been positively identified and no further audiological investigation is indicated. A 'Refer' result means that normally expected responses have not been identified indicating further audiological investigation unless a poor test environment is indicated in which case a retest under better conditions is recommended. The Otoport/Otocheck OAE+ABR provides identical OAE analyses to the predicate Otoport OAE device, which is incorporated in the new device. The ABR screening function of the new device uses the same conventional ABR technologies used by the predicate devices. Tests have demonstrated the device to perform well in the clinical environment and to deliver high sensitivity and specificity as a screener.

The Otoport can perform Transient Evoked (TE) and Distortion Product (DP) Oto-Acoustic Emission (OAE) measurements on ears via an ear piece or "probe" fitted into the ear canal.

The Otoport is a compact, sclf-contained, handheld Otoacoustic emission analyzer which has integral. rechargeable batteries for use. The Otoport can screen for cochlear function using either Transicnt Evoked or Distortion Product Otacoustic Emissions (TE or DPOAEs). It uses state-of-the-art technology and high performance signal analysis to provide robust indications of cochlear function and high immunity to extraneous noise. The Otoport has a high degree of connectivity, being capable of immediate connection to any IBM compatible PC via either USB port or Bluctooth wireless technology. The instrument will acccpt probes that are already in use with other products in the Otodynamics range of otoacoustic emission analyzer instruments. There is 100% compatibility between data recorded on the Otoport and data recorded on other Otodynamics OAE products.

The Otodynamics ILO288 ECHOPORTplus OAE System is designed to perform an auditory screening function by objectively testing for normal function of the cochlea. The system is designed to operate standalone, or optionally interface to an IBM compatible PC, using the parallel port.

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The Otodynamics ILO292 DP ECHOPORTplus system performs an auditory screening function by objectively testing for normal function of the cochlea. It is a new concept in OAE screening and analysis since it operates in standalone mode, without a PC. It is based on the DP ECHOPORT Instrument but with added built-in processor and graphic display. Otodynamics ILO292 DP ECHOPORTplus system provides DPOAE facilities in addition to all the screening and TEOAE functions of the ECHOPORT plus. Both TEOAE's and DPOAE's are useful as screening tests for cochlear function in infants, children and adults. They are particularly useful when the patient is unable to respond DPOAE's are useful with older patients, as the method can tolerate sub-clinical depression of cochlear activity. DPOAE's are also of use to test the higher frequency region of the cochlea.

The Otodynamics ILO292 DP ECHOPORTplus system performs an auditory screening function by objectively testing for normal function of the cochlea. It is a new concept in OAE screening and analysis since it operates in standalone mode, without a PC. It is based on the DP ECHOPORT Instrument but with added built-in processor and graphic display. Otodynamics ILO292 DP ECHOPORTplus system provides DPOAE facilities in addition to all the screening and TEOAE functions of the ECHOPORT plus.