Interacoustics has for some time cooperated with Douglas Keefe, Ph.D., and Boys Town National Research Hospital in developing research instrumentation for Wideband Absorbance (WBA) / Wideband Reflectance (WBR). Douglas Keefe and colleagues have been using Wideband measurements in middle-ear research for years, and the more recent cooperation with Interacoustics has now resulted in a complete research system for WB Tympanometry, analyzing middle ear acoustics in the 226Hz - 8kHz frequency range. This system with its ReflWin software, which was developed with grant support from the National Institutes of Health, is in current use in research at BTNRH and elsewhere.
The system is a research system only, and is not for sale to the general medical community, but interested investigators are invited to contact Bue Kristensen at Bue@Interacoustics.com for further details, or meet with him at one of the following meetings:
The ICA2008 conference June 8-12, 2008, Hong Kong
The NHS2008 conference June 19-21, 2008, Como Lake, Italy
You may contact Mr. Kristensen at the Interacoustics booth.
The 2007 redesign of our VNG goggles introduced disposable foam pads. Held by Velcro, the foam pads are easy to replace and give greater stability to the goggles. They also ensure total light occlusion, reduce the risk of cross contamination and improve patient comfort.
The 2007 redesign of our VNG goggles introduced disposable foam pads. Held by Velcro, the foam pads are easy to replace and give greater stability to the goggles. They also ensure total light occlusion, reduce the risk of cross contamination and improve patient comfort.
A kit is now available to convert existing Interacoustics goggles to the new type. It contains full instructions and all necessary parts and tools. Conversion takes less than ten minutes and basically involves replacing the frame. No special skills are required.
The kit includes 24 disposable foam pads with further pads available as required.
VNG with FireWire® - new technology, better Solutions
VNG offers technical as well as clinical advantages over ENG. It provides ideal conditions for observation, measurement and analysis of eye movements. It saves time, reduces costs and avoids the problems of myogenic and electrical noise. These advantages have made it the clinical procedure of choice in most balance assessment clinics.
VNG with FireWire® - new technology, better Solutions
VNG offers technical as well as clinical advantages over ENG. It provides ideal conditions for observation, measurement and analysis of eye movements. It saves time, reduces costs and avoids the problems of myogenic and electrical noise. These advantages have made it the clinical procedure of choice in most balance assessment clinics.
Based on FireWire® technology, our latest VNG system achieves the kind of data transfer rates needed to make a real difference in video quality. This means that rotary eye movements or a small nystagmus are much easier to detect. This precision is reflected in the values reported for the critical slow phase component. Ease of detection and clearer video shorten the test time and remove some of the uncertainties associated with observation and diagnosis.
The system has a number of practical features. A remote control removes the need to be at the keyboard during testing. There are full field of view visual stimuli, software generated for direct output to a projector. Users can create their own test protocols. And the software contains a full set of printable reports. Actual recordings are stored with the results in the database and can be output for consultation with colleagues, for teaching purposes or for comparison with previous sessions. A multi language interface supports all functions.
The system comes in two versions, with (VO425) or without (VN415) ocular testing.
FireWire and the FireWire symbol are trademarks of Apple Computer, Inc., registered in the U.S. and other countries. The FireWire logo is a trademark of Apple Computer, Inc.
Interacoustics Win Contract To Supply Australian Hearing
Interacoustics Pty Ltd are proud to announce that they have been appointed to supply Australian Hearing with Audiometers, Hearing Aid fitting and diagnostic test boxes and Screening Impedance bridges for the next two years with a further two year option. The Affinity PC based Audiometer and Hearing Aid Test box, the Equinox PC Based Audiometer, and the MT10 Tympanometer exclusively manufactured by Interacoustics all won their categories through a thorough and lengthy Tender process which included rigorous product testing.
Interacoustics Pty Ltd are proud to announce that they have been appointed to supply Australian Hearing with Audiometers, Hearing Aid fitting and diagnostic test boxes and Screening Impedance bridges for the next two years with a further two year option. The Affinity PC based Audiometer and Hearing Aid Test box, the Equinox PC Based Audiometer, and the MT10 Tympanometer exclusively manufactured by Interacoustics all won their categories through a thorough and lengthy Tender process which included rigorous product testing.
The Affinity platform won the Hearing Aid Fitting and Diagnostic category. The Affinity is a PC based modular dispensing tool with unlimited testing protocols and visual counseling tools. The Affinity is a highly reliable and attractively designed instrument with a small footprint that provides optimal fitting or adjustment capabilities for Hearing Aids. The Affinity platform also comes available with Audiometry, REM, High Frequency and Visible Speech modules.
The Equinox platform won the Audiometer category. The Equinox is a powerful PC Based Audiometry testing platform which is totally modular and provides flexibility without limiting capabilities and future industry direction. The Equinox is a full-featured two channel clinical audiometer with unlimited testing protocols and visual counseling tools. The Equinox platform also comes available with a REM, High Frequency and Visible Speech modules.
The MT10 Tympanometer won the Screening Impedance Bridge Category. The MT10 automatic impedance audiometer is fast and easy to operate handheld device that provides tympanograms and reflex responses all recorded in great detail. Results can be obtained quickly and easily with no response required from the patient. This is especially beneficial when dealing with difficult-to-test patients or small children.
Australian Hearing is one of the largest hearing service providers in the world with a reputation for innovation and world-leading practices. An Australian Government agency, Australian Hearing is dedicated to helping people manage their hearing impairment so they have a better quality of life.
The latest upgrades to the popular AT235h Middle Ear Analyzer have produced an instrument of top performance and reliability with applications in both differential diagnosis and screening.
Four probe frequencies (226, 678, 800 & 1000Hz) give scope for multiple frequency tympanometry supported by a full test battery of acoustic reflex measures and ipsi- and contralateral reflex decay. The two probes (clinical and screening) are easy to change and are recognized automatically with calibration values adjusted accordingly. Two programmable reflex test sequences are available.
A new manual pump function allows you to override automatic features, giving you control over pressure changes during tympanometry. And there are now two tests of eustachian tube function, one for perforated and one for intact eardrums.
The AT235h also includes manual and automatic air conduction audiometry. Results are output from the built in thermal printer or sent to a computer via the newly added USB port.
Interacoustics has recently unveiled the new patient response switch. It is easy to hold for adults and children alike, with cleverly designed contours that prevent it from rolling off a table. Sleek and comfortable but robust, it represents the ideal balance between design and peformance.Interacoustics has recently unveiled the new patient response switch. It is easy to hold for adults and children alike, with cleverly designed contours that prevent it from rolling off a table. Sleek and comfortable but robust, it represents the ideal balance between design and peformance.
VEMP (Vestibular Evoked Myogenic Potential) recording can be used as an indicator for various pathologies. In particular, it is the only clinical test that evaluates sacculus function in both ears individually. For this test, loud stimuli (min. 85 dB nHL) are used to evoke a response in the musculus sternocleidomastoideus.To increase tonus in the responding muscle, prone patients are asked to raise their head from the bed or, if sitting, turn their head to the non-stimulated side. A single test takes 30 seconds and is typically repeated several times.
VEMP (Vestibular Evoked Myogenic Potential) recording can be used as an indicator for various pathologies. In particular, it is the only clinical test that evaluates sacculus function in both ears individually. For this test, loud stimuli (min. 85 dB nHL) are used to evoke a response in the musculus sternocleidomastoideus.To increase tonus in the responding muscle, prone patients are asked to raise their head from the bed or, if sitting, turn their head to the non-stimulated side. A single test takes 30 seconds and is typically repeated several times.
Interacoustics systems can record VEMP from both sides simultaneously and calculate the VEMP ratio automatically. This is especially useful when patients are supine because they often have difficulty maintaining the raised head position. The test is offered as part of a dedicated VEMP system or included in a complete balance-testing system.
The new generation ASSR System from Interacoustics®
ASSR is an invaluable diagnostic procedure for assessing the hearing of babies referred from hearing screening. However, the time required to perform reliable ASSR by traditional means (typically one hour) has been a disadvantage.
ASSR is an invaluable diagnostic procedure for assessing the hearing of babies referred from hearing screening. However, the time required to perform reliable ASSR by traditional means (typically one hour) has been a disadvantage.
The new generation ASSR system from Interacoustics® contains two features that together will halve the time required to approximate the audiogram. The system is based on a stimulus form that maximizes the response from the basilar membrane and an advanced detection algorithm that analyses the information in the evoked response to extract frequency-specific information.
The system has a high retest reliability and can test both ears at the same time with 4 simultaneous frequencies, each of which can be controlled independently.
Designed for the Interacoustics® Eclipse platform, the system can deliver results directly into NOAH. Customers who do not use NOAH will benefit from the OtoAccess™ database which is included in the package.
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