Tag Archives: oticon-opn-Chalfont-hearing
Hearing centres Bucks
Hearing centres in Bucks
Hearing centres in Bucks including the Chalfont hearing centre that cover the Amersham to the North west and Rickmansworth to the East. If you are looking for a family owned and totally independent hearing centre then look no further than the Chalfont hearing centre.
Leon Cox is a highly regarded audiologist and is the lead at Chalfont. Also owns and run the Henley hearing Clinic at Henley. Reception and will gladly make you feel welcome and make sure that your are up to date with appointments and info. If you are in need of hearing aid adjustments or ear wax removal, all can be done from the Chalfont hearing centre.
Chalfont hearing news:
BIHIMA Releases Q3 Results on UK Hearing Aid Sales
The British and Irish Hearing Instrument Manufacturers Association (BIHIMA) announced its release of the Q3 results of its members, providing a picture of current trends and developments within the UK and Irish hearing care markets.
According to BIHIMA’s announcement, the “most significant” development is the continued growth in the number of units distributed through the private market in the UK: the number of unit sales increased by 2,756 units (3.5%) from the previous year and by 2,638 (3.3%) from Q2 2018. YTD (year-to-date) unit sales were also up 3.8% from 2017.
Meanwhile, the BIHIMA reports that the NHS side of the market slowed down in the same period: unit sales were flat compared to Q3 2017 and decreased by 7445 (2.2%) from Q2 2018. YTD units were down 1.6% from 2017.
BIHIMA also tracks the trends in the types of technology being selected by patients in the private sector. In the private sector, the RITE/RIC (receiver-in-the-ear technology) continues to grow in popularity and now represents 69.4% of all sales, up 1.7% from Q3 2017.
“We are seeing solid growth in the private hearing care sector which is in line with expectations based on our aging population and also points to evolving public awareness of the hearing technology produced by our manufacturers which can have transformative results,” said the BIHIMA chairman, Paul Surridge.
In its role as the voice for the hearing technology industry, BIHIMA regularly monitors the market and releases the results of its members every quarter.
To keep up to date with the latest market information, download the results here: https://www.bihima.com/resources/statistics/.
Source: BIHIMA
Beaconsfield hearing aids
Beaconsfield hearing aids
The Chalfont hearing aid centre covers the whole of Buck including Beaconsfield and Amersham. Suppliers of high end digital hearing aids including hearing accessories, hearing aid batteries and ear wax removal. Leon Cox the lead audiologist at The Chalfont hearing centre is a highly experienced expert on hearing and hearing tests. Please book an appointment if you need Micro-suction ear wax removal.
Chalfont Hearing Centre News:
Original story by: The Hearing Review
Researchers Identify Gene Associated with Age-related Hearing Loss
An international group of researchers, led by Ronna Hertzano, MD, PhD, associate professor, Department of Otorhinolaryngology-Head & Neck Surgery, at the University of Maryland School of Medicine (UMSOM), and Michael Bowl, PhD, program leader track scientist, Mammalian Genetics Unit, MRC Harwell Institute, UK, have identified the gene that acts as a key regulator for special cells needed in hearing.
Ronna Hertzano, MD, PhD
The discovery of this gene (Ikzf2) will help researchers better understand this unique type of cell that is needed for hearing and potentially develop treatments for common age-related hearing loss, UMSOM announced.
Bucks hearing aids
“Outer hair cells are the first inner ear cells lost as we age,” said Hertzano, whose research will be published in the journal Nature. “Age-related hearing loss happens to everyone. Even a 30-year-old has lost some of the outer hair cells that sense higher pitch sounds. Simple exposure to sound, especially loud ones, eventually causes damage to these cells.”
The inner ear has two kinds of sensory hair cells required for hearing. The inner hair cells convert sounds to neural signals that travel to the brain. This compares to outer hair cells, which function by amplifying and tuning sounds. Without outer hair cells, sound is severely muted and inner hair cells don’t signal the brain. Loss of outer hair cells is said to be the major cause of age-related loss of hearing.
About the Research
Hertzano’s group, in collaboration with Ran Elkon, PhD, senior lecturer, Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine in Tel Aviv, Israel, took a bioinformatics and functional genomics approach to discover a gene critical for the regulation of genes involved in outer hair cell development. Bowl’s group studied mice from the Harwell Aging Screen to identify mice with hearing loss. Bowl identified mice with an early-onset hearing loss caused by an outer hair cell deficit. When the two groups realized that they were studying the same gene, they began to collaborate to discover its biological function and role in outer hair cell development. The gene is Ikzf2 gene, which encodes helios. Helios is a transcription factor, a protein that controls the expression of other genes. The mutation in the mice changes one amino acid in a critical part of the protein, which impaired the transcriptional regulatory activity of helios in the mice.
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To test if helios could drive the differentiation of outer hair cells, the researchers introduced a virus engineered to overexpress helios into the inner ear hair cells of newborn mice. As a result, some of the mature inner hair cells became more like outer hair cells. In particular, the inner hair cells with an excess of helios started making the protein prestin and exhibited electromotility, a property limited to outer hair cells. Thus, helios can drive inner hair cells to adopt critical outer hair cell characteristics.
Funding for the research was provided by Action on Hearing Loss UK, the National Institute on Deafness and Other Communication Disorders (NIDCD) at the National Institutes of Health, and the Department of Defense (DOD).
As Professor Steve Brown, PhD, director, MRC Harwell Institute, said, “The development of therapies for age-related hearing loss represents one of the big challenges facing medicine and biomedical science. Understanding the genetic programs that are responsible for the development and maturation of sound-transducing hair cells within the inner ear will be critical to exploring avenues for the regeneration of these cells that are lost in abundance during age-related hearing loss. The teams from the University of Maryland and the MRC Harwell Research Institute have given us the first insights into that program. They have identified a master regulator, Ikzf2/helios, that controls the program for maturation of outer hair cells. Now, we have a target that we can potentially use to induce the production of outer hair cells within damaged inner ears, and we are one step closer to offering treatments for this disabling condition.”
Original Paper: Chessum L, Matern MS, Kelly MC, et al. Helios is a key transcriptional regulator of outer hair cell maturation. Nature. November 21, 2018.
Source: University of Maryland School of Medicine, Nature
Image: University of Maryland School of Medicine
Hearing solutions for Buckinghamshire
Hearing solutions for Buckinghamshire
Hearing solutions, Bucks, Hearing aids and earwax
Hearing solutions, Bucks, Hearing aids and earwax available at the Chalfont hearing centre near Beaconsfield and Amersham. The Chalfont hearing centre is conveniently situated between Watford and High Wycombe but covers the whole of Bucks. They also cover South Bucks and North Buckinghamshire. If you are suffering with blocked ears or think you may have ear wax issues please make an appointment with our receptionist to see Mr Leon Cox the lead audiologist. If you are in need of a comprehensive hearing test, theChalfont hearing centre can help there too. Dispensing thousands of hearing ads through their time in Bucks, Leon Cox knows a thing or two about hearing aids. The very latest digital hearing aids are available.
Chalfont hearing news:
Cochlear and GN Expand Smart Hearing Alliance Collaboration
Cochlear Limited (ASX: COH), a maker of implantable hearing solutions, and GN (GN.CO), a manufacturer of intelligent audio solutions, signed a new agreement to “significantly expand” their Smart Hearing Alliance collaboration, GN announced on its website.
The Smart Hearing Alliance was established in 2015 to develop the most integrated, best-in-class hearing solutions—giving hearing aid and cochlear implant recipients access to the latest in connectivity and wireless technology, and helping bimodal recipients to achieve seamless connectivity between a cochlear implant in one ear, and a GN hearing aid in the other. The deepening of this relationship includes joint research and development, shared technology, and strengthened global Smart Hearing Alliance commercial collaboration between Cochlear and GN Hearing, the hearing aid division of the GN Group.
Bucks hearing tests
Cochlear and GN Hearing are now strengthening focus on their integrated product offering and expanding their presence in the clinical hearing aid and implantable hearing solutions markets globally. According to the announcement, the vision for this new collaboration will include a focus on fast-moving connectivity and wireless technology to allow for closer integration between Cochlear and GN Hearing technologies. The two companies will leverage research and development investment to jointly develop firmware and software technologies.
In addition to technology sharing, the two companies will strengthen the commercial collaboration and work together to enable clinicians to deliver a more seamless solution and best-in-class hearing experience to their patients.
GN Hearing CFO Marcus Desimoni and Cochlear CEO and President Dig Howitt welcomed the signing of the expanded agreement.
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Desimoni said: “This strengthened alliance is an important step forward for the millions of people around the world with disabling hearing loss—making the most advanced technology more accessible and simplifying the experience with more integrated solutions. GN Hearing is committed to advancing what is possible for people with hearing loss. This strategic partnership is a very smart and cost-effective way to expand the R&D capacity of both companies to reach our goals.”
Howitt said: “At Cochlear, we’re driven to develop hearing solutions that empower people to connect with others and live a full life. By expanding our collaboration with GN Hearing, we’re able to bring the latest in connectivity and wireless technology to our implant recipients more quickly. We’re also able to give bimodal recipients—those using a cochlear implant in one ear, and a hearing aid in the other—unparalleled performance and a seamless experience with both devices. As two leaders in our areas of hearing health, this collaboration demonstrates our commitment to design and bring to market the best hearing solutions available.”
Hearing aids Buckinghamshire
This collaboration aims to improve the hearing outcomes for more people with moderate to profound hearing loss. In developing more integrated bimodal hearing solutions, Cochlear and GN Hearing have focused on helping to achieve greater connectivity for people—not only between the two companies’ devices, but also with Apple and Android technology. Most recently, Cochlear and GN Hearing collaborated to bring to market the what is said to be the “first Made for iPhone” Smart Bimodal Solution, enabling recipients to synchronize streaming to both ears from a compatible iPhone, iPad, or iPod touch. The Nucleus® 7 Bimodal Solutionis delivered by using a Cochlear Nucleus 7 Sound Processor in one ear, a compatible ReSound hearing aid in the other ear, and a paired iPhone or iPod touch to control functionality for both hearing devices.
The Smart Hearing Alliance delivers bimodal solutions connecting Cochlear Nucleus cochlear implants, Cochlear Baha bone conduction implants, wireless accessories, and ReSound hearing aids.
Source: GN, Cochlear Ltd
Image: GN, Cochlear Ltd
Bucks hearing centre
Bucks Ear Wax
Chalfont hearing centre is a premium independent hearing centre based in Buckinghamshire at Little Chalfont. Family run and lead by Leon Cox a specialist audiologist for many years.
If you are suffering with blocked ears or think you may need a hearing test please book in with reception. Leon is a fully qualified hearing aid dispenser and can show you how to connect any recent digital hearing aid to your iPhone, iPad etc. Please ask Leon for his sound advice when it comes to T.V. streaming to your hearing aid.
Based in Chalfont the hearing centre covers the whole of Bucks from Henley to Beaconsfield and beyond.
Chalfont hearing news:
Oticon Announces Five New Opn Custom Solutions Styles
Bucks hearing aids and ear wax removal services
Oticon announced the launch of five new custom hearing aid styles, including what is said to be the “smallest hearing aid style Oticon has ever produced,” using BrainHearing™ and Opn’s technology to support the brain in making sense of sound and enabling users to identify where sounds are coming from, even in challenging environments.
Oticon Opn Invisible-in-Canal hearing aid (IIC)
“The variety of Opn Custom styles, functionalities, and features combined with Oticon’s groundbreaking open sound experience provides hearing care professionals with even more Opn choices for their patients, especially those who are reluctant to try hearing aids,” says Don Schum, PhD, Oticon vice president of audiology. “For many first-time users, the appeal of an invisible hearing solution, our smallest IIC ever, may be the catalyst for taking action to address their hearing loss.”
No Compromise on Quality, Reliability, Performance
Opn Custom hearing aids are said to break through some of the challenges faced by people with hearing loss: understanding speech in noise and handling multiple speakers, according to Oticon. The custom lineup includes styles with 2.4 GHz low-energy Bluetooth® connectivity that offer wireless possibilities.The miniaturization of all components can help enable more functionality in less space, resulting in fewer compromises and more modeling freedom to support a better physical fit and a higher fit rate. The effect and availability of Opn Custom features varies with hearing aid style and prescription.
Oticon Opn and Siya
Bucks, hearing aids and Ear wax removal
The new Oticon Siya amplifies the detail of sounds, which can enable users to be able to follow conversations in noisy environments. Oticon BrainHearing technology and a chip that reportedly processes sound 50 times faster than Oticon’s previous generation of essential hearing aids are said to deliver high-resolution sound quality to improve speech understanding.
Chalfont hearing centre
With 2.4 GHz Bluetooth low-energy technology, Siya is said to be the “first hearing aid” in the essential category to allow wireless connectivity with low battery consumption to modern smartphones, TVs, and other Bluetooth®-enabled devices. Siya comes in a complete lineup of styles, ranging from invisible custom styles to power hearing aids.
Oticon Siya
Beaconsfield hearing aids, ear wax removal
HearingFitness™ is a new tool, available in Oticon’s proprietary ON App, to help people with hearing loss understand how they can optimize their hearing health behavior to take full advantage of their hearing aids. Users of internet-connected Oticon Opn and Oticon Siya hearing aids can use HearingFitness to track how long they wear their hearing aids and receive notifications and prompts to help them reach their wearing goals and track the noise levels they are frequently exposed to. The new tool can be especially useful for first-time users who find it difficult to adapt to wearing hearing aids.
For more information on the new Oticon Opn Custom solutions and the extended Oticon Opn family, visit www.Oticon.com/OpnCustom. For information on Oticon Siya, visit www.Oticon.com/Siya. For information on the Oticon ON App with the new HearingFitness tool, visit www.Oticon.com/HearingFitness.
Source: Oticon
Images: Oticon
Best hearing test in Bucks
Hearing loss can be over come with todays new digital hearing aids. Chalfont hearing centre, Bucks
Hearing aids and ear wax at the Chalfont hearing centre
Ear wax can be a debilitating condition if not treated. Your hearing will suffer and you maybe become less involved in your surroundings. Not being able to hear properly really can be a pain in the ear in more ways than one. At the Chalfont hearing centre we can asses your ears, if there is ear wax to be removed then we can do this painlessly and very quickly using Micro-Suction. You don’t feel anything at all and it can be done very very quickly by Leon Cox the lead audiologist at the Chalfont hearing centre.
Ear wax removal
Book an appointment and we can soon sort out any hearing issues or ear wax issues. Todays hearing aids/instruments really are breathtaking on how they have evolved in the last 5 years. These digital hearing aids are something else when it comes to connectivity. They will connect to your iPhone, Android phone and wearable digital watches. Ask us to give you more information.
Ear wax removal for the Buckinghamshire area and beyond.
Chalfont hearing centre News:
Phonak Launches Marvel with Universal Binaural Streaming and New Level of Sound Quality
PARC Research Audiologist Lori Rakita, AuD, explains how the AutoSense OS 3.0 technology classifies streamed media in real-time for optimized listening.
New levels of binaural sound quality and universality. One key feature that immediately jumps out in Audéo M is its sound quality. For real audiophiles and others accustomed to hi-fi systems, the sound quality in today’s hearing aids is very good, but can still prompt them to ask why the devices can’t sound like stereo headphones. Of course, the problem—which has been around even before made-for-iPhone (MFi) systems became available—stems primarily from the venting of the aid for real-life environmental speech and sounds. This provides the important natural sound benefits associated with open-fit aids, but has required a trade-off in streamed sound quality. With the Audéo M, Phonak has reinserted a clear richer sound into streamed music, TV, or other devices via hearing aids—and demonstrated fairly dramatic differences in a paired comparison test. The system features AutoSense OS 3.0 which reportedly classifies streamed media for optimized listening.
Phonak staff members Barb VanSomeren; Lori Rakita, AuD; Kailen Berry, AuD; Jan Metzdorff, Abby Poyser, AuD; Christine Jones, AuD, Nicole Klutz, AuD, and John Urbaniak at Phonak US headquarters near Chicago.
“We have the first classifier that also operates on the streamed signal,” said Christine Jones, AuD, Phonak US vice-president of Audiology and director of the Phonak Audiology Research Center (PARC) in Warrenville during a presentation at the media event. “Some of the early work we did highlighted that there was an opportunity with streaming—as with the unique listening environments that can also be encountered by patients—where someone’s preferences may be very different than when listening to streamed speech, or dialog in media, movies, etc. Listening goals can be different, and sound quality preferences can be different. So, now we are not only classifying the environmental sounds, but we can also classify those streamed sounds to deliver the best possible experience under all listening conditions.”
Although the advanced design of the previous Audéo B-Direct model is award-winning, it does not feature binaural streaming. With the new Audéo M, wearers can now binaurally stream audio content, including smartphone calls, music, eBooks, and more, to both ears from any Bluetooth device.
Phonak points out that iPhones account for only 13% of smartphone use worldwide compared to 86% for the Android OS, and wearers’ choices have been limited primarily to hearing aids that utilize the MFi protocol. Additionally, even with IOS-compatible devices, some forms of MFi hearing aid streaming (eg, streaming from MacBooks and iMacs) were unavailable until now. SWORD 3.0 is capable of running Bluetooth Classic, Bluetooth LE, AirStream Technology (for TV), and Binaural VoiceStream Technology for high-speed data transmission between the two hearing aids in a binaural fitting. The new system even works with Siri and LiveListen. (Phonak’s proprietary Roger 2.4 GHz signal will also have direct streaming capabilities to the hearing aid next fall.)
“This means we now have universal binaural wireless connectivity,” said Dr Jones. “In order to have the best access to speech on the phone, it’s best to hear well with both ears. And, beyond that, we are the only product that now connects to not just Apple and Android, but any Bluetooth device. This opens up a new world of connectivity for people because of its universal nature…What this means is, that in those cases where something is not accessible through the Apple iPhone or device, it should be accessible through the hearing aid.”
Jones explained that Phonak has also created a sophisticated system called “Environmental Balance” that controls how users hear the streaming in addition to how they hear the surrounding environment, both of which can still be adjusted via the basic volume control. All of this has the potential to open up even more of the popular streaming applications.
Audéo Marvel wearers also benefit from hands-free Smartphone operation. Previously, hearing aid wearers using the MFi (and future ASHA) protocol needed to hold the smartphone up to their mouths and talk into the phone’s microphone to converse. The new hearing aids feature microphone inlets built directly into the housing, allowing wearers to have phone conversations by literally talking through their hearing aids.
Better processing and noise reduction, reducing cognitive load.Additionally, the enhanced SWORD OS incorporates Binaural VoiceStream Technology™ into Marvel hearing aids, a technology most recently employedin Advanced Bionics’ Naida CI sound processor. This four-microphone technology is reportedly capable of improving speech understanding by up to 60% in noisy places like restaurants, while simultaneously reducing the amount of effort by 19% required to listen and understand.1,2
“Audiology is at the heart of everything we do at Phonak,” said Sonova Group VP Martin Grieder in a press statement. “That’s why Marvel is such a game-changer for our industry. Marvel technology empowers people and provides a true ‘love at first sound’ experience. We believe the sound quality is second to none, and it begins the moment the person puts the hearing aids on.”
Phonak Audéo Marvel mini-charger.
Lithium-ion rechargeable technology for “a full day of streaming.” While no reliable statistics exist on the market penetration of rechargeable hearing aids, most experts estimate that about 17-20% of all hearing aids now feature rechargeability. Phonak has been a pioneer in rechargeable hearing aid technology, creating in 2016 the first lithium-ion hearing aids—a technology that appears to be gaining ground with hearing aid manufacturers.
According to Phonak, Marvel hearing aid wearers can enjoy a full day of hearing aid use—including streaming— on a single charge. The Audéo M rechargeable hearing aid also offers new features, automatically turning on or off when taken out or being placed into the charger. The system includes new LED lights and a new mini charger.
Remote fine-tuning and live voice-to-text transcription apps. With Marvel hearing aids comes the introduction of a suite of convenient smart apps. The myPhonak app allows wearers to have their hearing aids adjusted in real-time, in any situation, anywhere via videocall by the hearing care professional. It also gives consumers the ability to rate their hearing aid satisfaction in various environments and directly send this feedback to their hearing care professional.
The myCall-to-Text app reportedly provides live transcription of phone calls from the other party in more than 80 languages. This provides an extremely useful option for hearing aid users in noisy environments, or for people who prefer additional visual captions when using the phone.
New marketing campaign and rollout. A suite of marketing materials has been developed to promote the Marvel launch. Phonak US Vice-president of Marketing Barb VanSomeren explained that the marketing surrounding Marvel emphasizes its multifunctionality, providing consumers with access to the world of sound that we all want via enhanced sound quality, a constellation of devices and streaming options, and phone calls. The new marketing assets highlight Phonak technology, audiology leadership, and Marvel’s diverse capabilities, and includes a video series that features two women exploring all the different ways Marvel can be used in a contemporary format (eg, the women’s dialog resembles the TV show Grace and Frankie) .
The rechargeable Audéo M-R will be available in November along with the zinc air Audéo M-312, and Phonak will add the Audéo M-312T and Audéo M-13T in February 2019. A rechargeable version of Marvel with T-Coil (Audéo M-RT) and RogerDirect functionality will be available as a firmware upgrade in Fall 2019.
References
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Field Study News about Phonak StereoZoom in preparation, available by end of 2018 at www.phonakpro.com/evidence.
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Winneke A, Latzel M, Appleton-Huber J. Less listening- and memory effort in noisy situations with StereoZoom. Phonak Field Study News. Available at: www.phonakpro.com/evidence
Hearing test and Hearing aids in Bucks
Hearing tests and hearing aids in Bucks
Chalfont hearing centre is the premier hearing clinic in Little Chalfont Buckinghamshire. Leon Cox the lead audiologist is fully qualified to conduct hearing tests, dispense hearing aids and remove ear wax using Micro-Suction. If you are suffering with Tinnitus Leon can discuss Tinnitus therapy to reduce the Tinnitus. Please ask reception or ask Leon at your next appointment. Tinnitus can be managed.
Hearing tests are always available at the Chalfont Hearing Centre, please call for an appointment.
Chalfont hearing centre news:
GN ReSound Showcases New Partnership with Google and LiNX Quattro at EUHA 2018
ReSound LiNX Quattro.
With today’s start of the European Union of Hearing Aid Acousticians(EUHA) Congress in Hannover, Germany, GN ReSound has announced a new partnership with Google that will provide a full spectrum of direct streaming to hearing aids from Android devices, and the company is showcasing what the company is calling a “premium-plus” hearing aid, ReSound LiNX Quattro,™ which was previously launched in August.
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According to ReSound, the LiNX Quattro offers “a brilliant sound experience with unprecedented Layers of Sound.” In a direct comparison, where hearing aid users were asked to listen to music and rate the sound, the company states that 95% of respondents preferred ReSound LiNX Quattro compared to other premium hearing aids.
A new high-performing chip platform drives the extensive sound quality improvements, providing 100% faster processing, twice the memory capacity, and 35% increase in frequency bandwidth compared to ReSound LiNX 3D™. With a bandwidth of up to 9.5 kHz, a greater range of high-frequency sounds is accessible to people with hearing loss. An input dynamic range of 116 dB SPL—reportedly the highest in the industry—is designed to ensure that softer sounds are clearer and louder sounds are distortion free.
Hearing test Chalfont, Bucks
GN Hearing’s recently-announced partnership with Google allows it to offer a full spectrum of direct streaming from Android devices to hearing aids. It continues GN Hearing’s record of industry breakthroughs, including 2.4 GHz wireless connectivity, Binaural Directionality, direct full streaming compatibility with Apple devices, and cloud based remote fine-tuning.
Chalfont hearing aids Bucks
“With the launch of ReSound LiNX Quattro, as well as other major technology launches and partnerships, GN Hearing is continuing to shape the future of hearing care,” said GN Hearing CEO and President Anders Hedegaard. “We want to help people hear more, do more, and be more than they ever thought possible. We are striving to support people living with hearing loss and hearing care professionals alike access the latest technology and support the provision of high-quality care.”
Tinnitus therapy, Chalfont, Bucks
GN Hearing has also recently launched Beltone Amaze™, which GN characterizes as the world’s most complete hearing solution that combines great sound quality, connectivity, rechargeability and remote fine-tuning. The company also recently introduced Interton Ready™, which is designed to offer great sound, ease-of-use, and connectivity at an affordable price.
Source: GN ReSound
Hearing aids, buckinghamshire
Hearing aids, Buckinghamshire
The Chalfont hearing centre is an independent hearing specialist centre based in Chalfont Bucks. We specialise in the very latest hearing aids that will transform your life. The new 2018 digital hearing aids are a joy to use, connecting with your Iphone or most Android smart phones that are on the market today. You can really hear the benefits of the latest hearing tech, so why not book in and have a hearing test today and discuss your needs.
The latest 2018 hearing aids available at the Chalfont hearing centre, Bucks
Chalfont Hearing News:
Swedish University Researchers Develop New Test for Balance Disorders
Many individuals over age 65 suffer from dizziness and problems with balance; however, tests to identify the causes of such problems are often painful and can risk hearing damage. Now, researchers from Chalmers University of Technology have developed a new testing device using bone conduction technology that is said to offer “significant advantages” over current tests, the Sweden-based university announced.
The researchers’ new vibrating device. Photo Credit: Johan Bodell/Chalmers University of Technology
A Vestibular Evoked Myogenic Potentials (VEMP) test uses loud sounds to evoke a muscle reflex contraction in the neck and eye muscles, triggered by the vestibular system—the system responsible for our balance. The Chalmers researchers have now used bone-conducted sounds to achieve what they say are better results.
“We have developed a new type of vibrating device that is placed behind the ear of the patient during the test,” said Bo Håkansson, a professor in the research group ‘Biomedical signals and systems’ at Chalmers.
Bo Håkansson, Professor in Biomedical Engineering at Chalmers. Photo Credit: Johan Bodell/Chalmers University of Technology
Hearing aids, buckinghamshire
The vibrating device is small and compact in size, and optimized to provide an adequate sound level for triggering the reflex at frequencies as low as 250 Hz. Previously, no vibrating device has been available that was directly adapted for this type of test of the balance system.
In bone-conduction transmission, sound waves are transformed into vibrations through the skull, stimulating the cochlea within the ear, in the same way as sound waves go through the ear canal, the eardrum, and the middle ear. Håkansson has over 40 years of experience in this field and has previously developed hearing aids using this technology.
The cause of dizziness can be difficult to diagnose for several reasons. In 50% of cases, dizziness is due to problems in the vestibular system. But today’s VEMP methods have major shortcomings, and can cause hearing loss and discomfort for patients.
For example, the VEMP test uses very high sound levels, and may, in fact, cause permanent hearing damage itself, according to the university’s press release. And, if the patient already suffers from certain types of hearing loss, it may be impossible to draw any conclusions from the test. The Chalmers researchers’ new method offers significant advantages.
“Thanks to this bone conduction technology, the sound levels which patients are exposed to can be minimized,” said postdoctoral researcher Karl-Johan Fredén Jansson, who made all the measurements in the project. “The previous test was like a machine gun going off next to the ear—with this method it will be much more comfortable. The new vibrating device provides a maximum sound level of 75 decibels. The test can be performed at 40 decibels lower than today’s method using air-conducted sounds through headphones. This eliminates any risk that the test itself could cause hearing damage.”
The benefits also include safer testing for children as well as patients with impaired hearing function due to chronic ear infections or congenital malformations in the ear canal and middle ear.
The vibrating device is compatible with standardized equipment for balance diagnostics in healthcare and the cost of the new technology is estimated to be lower than the corresponding equipment used today.
A pilot study has been conducted and recently published. The next step is to conduct a larger patient study in collaboration with Sahlgrenska University Hospital in Gothenburg, where 30 participants with normal hearing will also be included.
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The scientific article “VEMP using a new low-frequency bone conduction transducer” has recently been published by Dove Medical Press, in the journal Medical Devices: Evidence and Research.
Chalmers’ partners in the study are the Sahlgrenska Academy at the University of Gothenburg, and the Danish audio companies Ortofon andInteracoustics. Grants for this project are received from Vinnova (Swedish Innovations Agency) and Hörselskadades Riksförbund (Hearing Impairment Federation).
See the researchers’ own presentation of the project
Read more about research on medical signals and systems
Original Paper: Håkansson B, Fredén Jansson K-J, Tengstrand T, et al. VEMP using a new low-frequency bone conduction transducer. Medical Devices: Evidence and Research. 2018;11:301-312.
Source: Chalmers University of Technology, Medical Devices: Evidence and Research
Image: Johan Bodell/Chalmers University of Technology
Oticon Opn™ Outperforms Traditional and Narrow Directionality
With the Oticon Opn, users can expend less effort and recall more of what they encounter in a variety of complex listening environments. This open sound environment, powered by Oticon’s Velox platform, allows for greater speech comprehension, even in a challenging audiological setting with multiple speakers. With its OpenSound Navigator scanning the background 100 times per second, the Opn provides a clear and accurate sound experience.
