WO2000042816A1 - Methods and apparatus for fitting hearing device tips - Google Patents
Methods and apparatus for fitting hearing device tips Download PDFInfo
- Publication number
- WO2000042816A1 WO2000042816A1 PCT/US2000/000831 US0000831W WO0042816A1 WO 2000042816 A1 WO2000042816 A1 WO 2000042816A1 US 0000831 W US0000831 W US 0000831W WO 0042816 A1 WO0042816 A1 WO 0042816A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tip
- hearing device
- ear canal
- otoscope
- gauge
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
- H04R25/652—Ear tips; Ear moulds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/227—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for ears, i.e. otoscopes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/17—Hearing device specific tools used for storing or handling hearing devices or parts thereof, e.g. placement in the ear, replacement of cerumen barriers, repair, cleaning hearing devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
- H04R25/652—Ear tips; Ear moulds
- H04R25/656—Non-customized, universal ear tips, i.e. ear tips which are not specifically adapted to the size or shape of the ear or ear canal
Definitions
- the present invention pertains to hearing aids. More particularly, the present invention pertains to methods and apparatus for quickly and correctly sizing an in-the- canal hearing aid receiver tip within an ear canal.
- Second generation hearing devices were primarily of the Behind-The-Ear (BTE) type, where an externally mounted device was connected by an acoustic tube to a mold placed within the ear.
- BTE Behind-The-Ear
- modern hearing devices rarely use a Behind-The-Ear technique, focusing mainly on one of several forms of an In-The-Canal hearing device.
- Three main types of In-The-Canal hearing devices are routinely offered by audiologists and physicians.
- In-The-Ear (ITE) devices rest primarily in the concha of the ear and have the disadvantage of being fairly visible to a bystander.
- ITC In-The- Canal
- CIC Completely-In-The- Canal
- Placing the hearing device within the ear canal and proximate to the tympanic membrane (ear drum) improves the frequency response of the device, reduces distortion due to jaw extrusion, reduces the occurrence of the occlusion effect and improves overall sound fidelity.
- the shape and structure, or morphology, of the ear canal varies from person to person. However, certain characteristics are common to all individuals. When viewed in the transverse plane, the path of the ear canal is extremely irregular, having several sharp bends and curves. It is this structural characteristic which creates problems for the acoustic scientist and hearing device designer.
- the ear canal can be broken into three main segments.
- the external and medial segments are both surrounded by a relatively soft cartilaginous tissue.
- the external segment is largely visible from the outside and represents the largest cavity of the ear canal.
- the innermost segment of the ear canal is surrounded by a denser bony material and is covered with only a thin layer of soft tissue. This bony material allows for little expansion to occur in this region compared with the cartilaginous regions of the external and medial segments of the ear canal.
- these areas are covered with a substantially thicker tissue layer. Pressure exerted on the bony region of the ear canal can lead to discomfort and/or pain to an individual, especially when an in-the-canal hearing device is inserted deep within the ear canal and is in contact with this bony region.
- an audiologist or physician would have on hand an assortment of standard sizes of conformal hearing aid device tips, which could be selectively inserted into a person's ear canal for proper size determination.
- the dimensions of the ear canal must still be measured.
- Otoscopes and videoscopes are commonly used to visualize the ear canal, but there is still a need for a device which directly measures the dimensions and geometric properties of the ear canal.
- otoscopes and videoscopes do not measure dimensions, but simply provide a visual representation of the ear canal.
- CAT scans and MRI systems can be used to reconstruct three dimensional geometries of the ear canal, but due to the extremely high cost of these procedures, they are rarely used for such purposes.
- ear canal impressions remain the most widely used method of extracting geometric data from the ear canal, despite the problems discussed above that are associated with this type of fitting procedure, which continue to plague audiologists, physicians and wearers of hearing aid devices.
- a device for use in fitting an object in an ear canal which comprises a body having a distal end, a proximal end and a longitudinal axis, the body including an aperture defined along the longitudinal axis, wherein the body is adapted to engage with an otoscope.
- a method employing an otoscope, of fitting a hearing device in an ear canal includes, selecting a gauge tip adapted to fit on the otoscope, the gauge tip having a distal end adapted to accept variously sized hearing device components; selecting a first hearing device component; attaching the first hearing device component to the gauge tip distal end; inserting the gauge tip into the ear canal; and verifying the adequacy of the fit of the first hearing device component within the ear canal.
- Fig. 1 is a cross sectional view of an ear canal in the coronal plane
- Fig. 2 is a perspective view of an otoscope aligned to engage with a gauge tip constructed in accordance with the present invention
- Fig. 3 is a perspective view of the gauge tip of Fig. 2;
- Fig. 4 depicts a first preferred fastening device used to secure a conformal hearing device tip to the gauge tip
- Fig. 5 depicts a second preferred fastening device used to secure a conformal hearing device to the gauge tip
- Fig. 6 is a perspective view of a conformal tip being inserted into an ear canal (shown in cross-section) using the gauge tip of Fig. 2;
- Fig. 7 is a perspective view of an alternate preferred embodiment of a gauge tip constructed in accordance with the present invention, including a conformal tip;
- Fig. 8 is a perspective view of a further alternate preferred embodiment of a gauge tip constructed in accordance with the present invention, including a conformal tip;
- Fig. 9 is a perspective view of an alternate preferred embodiment of an otoscope aligned to engage with a gauge tip constructed in accordance with the present invention.
- Fig. 1 shows a coronal cross section of an ear canal looking down from the top of the skull, and is included herein mainly for the purpose of illustrating the various regions of the ear canal and the differing types of tissue that make its structure.
- the ear canal represented generally as 10, can be divided into three regions labeled in Fig. 1 as I, II and III.
- Region I is the most external portion of the ear canal and is surrounded primarily by cartilaginous material 12.
- Region II represents the main interior length of the ear canal 10 and is also surrounded by a similar cartilaginous material 12.
- Region III is the most internal portion of the ear canal and, unlike regions I or II, is surrounded by a dense bony material 14.
- the overall width of the ear canal 10 gradually narrows as one progresses toward the inner regions II and III and the tympanic membrane 20.
- the entire wall of the ear canal 10 is covered with relatively soft tissue layers 16, 17 and 18, respectively.
- the external region I and medial region II are covered with relatively thick layers of tissue 16 and 17, the internal region III is covered with substantially thinner tissue layer 18.
- the increased thickness of the respective tissue layers 16 and 17, combined with the underlying soft cartilaginous layer 12, allows for significant expansion to occur in regions I and II of the ear canal 10 when a solid object, such as a hearing device body, is inserted. In this manner, regions I and II are conducive to providing a pressure fit seal around the hearing device body, without causing discomfort to the individual.
- region III with its relatively thin layer of tissue 18 and the underlying dense bony material 14, allows for little, if any expansion to occur when a solid object is inserted. As a result, a solid object inserted into the bony area of region III will eventually cause fatigue and discomfort to the individual.
- a hearing device positioned as close as possible to the tympanic membrane 20 in order to reduce many of the acoustical problems normally associated with in-the-canal hearing devices. However, this necessarily involves placing the hearing device within the bony region III of the ear canal.
- Fig. 2 shows a standard otoscope 30 used by an audiologist or physician to examine the ear canal and tympanic membrane.
- the otoscope 30 includes a handle portion 32 and a scope portion 34 provided with a cone-shaped tip 38.
- the scope portion 34 includes a viewing window 36, which allows the physician or audiologist to observe the ear canal and tympanic membrane when the otoscope tip 38 is inserted into the ear canal.
- the otoscope 30 also includes magnification and illumination apparatus [not shown] to further assist the treating audiologist/physician in viewing the ear canal and tympanic membrane.
- a gauge tip 40 is formed into a shape that substantially matches the otoscope tip 38, but is slightly larger in each dimension so as to fit snuggly thereon.
- the otoscope tip 38 is cone shaped and slightly tapered in order to easily insert the device into an ear canal.
- the gauge tip 40 would similarly be cone shaped and tapered.
- the gauge tip 40 has a wide proximal opening 44 and is configured for use as an extension or attachment to the otoscope tip 38.
- the gauge tip 40 has a distal end 42, which includes a fastening device 46 adapted to secure a variously sized conformal hearing device tip 50 to the distal end 42.
- the fastening device 46 is preferably configured so that the conformal tip 50 can be easily removed and replaced by a treating physician or audiologist.
- the gauge tip 40 includes a distal end aperture 43 (best seen in Figs. 4 and 5), which is aligned with an aperture 39 in the otoscope tip 38 when the gauge tip 40 is seated thereon.
- the gauge tip aperture 43 allows the treating physician or audiologist to view the conformal tip 50, as it is inserted into the ear canal.
- the audiologist/physician can thereby observe the clearances between the conformal tip 50 and a person's ear canal walls, the distance between the conformal tip 50 and the tympanic membrane, and the overall fit of the conformal tip 50 in the particular ear canal.
- Verbal feedback from the person during the fitting procedure can simultaneously be used to gauge the proper fit and comfort level of the conformal tip 50.
- gauge tip 40 In practice, an audiologist or physician would select a gauge tip 40 and attach it over the tip 38 of a standard otoscope 30. Several models of gauge tips 40 would be available and the physician/audiologist would preferably select one which is configured for the particular otoscope 30 being used.
- the gauge tip 40 is formed in essentially the same shape as the otoscope tip 38 and preferably snaps or locks into place thereon .
- One of an assortment of pre-manufactured sizes of conformal tips 50 is then selected by the physician/audiologist and attached to the distal end 42 of the gauge tip 40.
- the conformal tips 50 would preferably be available in an assortment of diameters as well as lengths.
- the physician/audiologist then gradually inserts the assembled otoscope 30, gauge tip 40 and conformal tip 50 into a person's ear canal in the same manner as he would while examining the ear canal with only the otoscope 30.
- the physician/audiologist can continuously monitor the positioning of the conformal tip 50 through the otoscope view finder.
- the gauge tip 40 thus allows the physician/audiologist to make a visual determination of whether the conformal tip 50 is properly sized and fitted securely within the ear canal.
- the gauge tip 40 may also include an integrated acoustic tube [not shown] which allows the physician/audiologist to measure the acoustic integrity of the particular conformal tip 50 at the same time he is fitting the tip 50 within the ear canal. This provides another level of assurance to the physician/audiologist that the tip 50 is properly fit. Additionally, the gauge tip 40 may include a disposable sterile cover [not shown].
- the body 41 of the gauge tip 40 is generally in the shape of a tapered cone, and is designed to accurately mate over the tip 38 of the otoscope 30.
- the gauge tip 40 is meant to slip over the existing otoscope tip 38 and therefore an accurately matched shape is preferred.
- Gauge tips 40 are therefore contemplated to be manufactured to fit specific otoscope models.
- a tapered cone shape is also preferred for ease of insertion into the ear canal.
- Most otoscope tips 38 are so-configured for this purpose.
- the body 41 is formed from a rigid polycarbonate material or other medical grade plastic. In a preferred embodiment, this material can be sterilized and used repeatedly.
- the fastening mechanism 46 in one embodiment comprises a pair of inwardly biased extensions 47a and 47b located on the periphery of the distal end 42.
- the extensions 47a and 47b are preferably opposing each other, however, more than two extension can be utilized. In such a case, the extensions are preferably equally spaced around the periphery of the distal end 42 and are each essentially centrally facing.
- the extensions 47a and 47b clamp around a proximal extension 52 located on the end of conformal tip 50.
- the conformal tip effectively snaps into position on the distal end of the gauge tip 40.
- the fastening device comprises a tapered chamber 48, wherein the extension 52 is peg-shaped to appropriately mate with the chamber 48.
- Figs. 4 and 5 also depict the aperture 43 through which the treating physician/audiologist can observe the placement of the conformal tip into the ear canal. The magnification and illumination capabilities of the otoscope further aid in assessing the proper fit of the tip 50.
- the conformal tip can include a threaded screw with the gauge tip including a corresponding threaded socket.
- a removable medical grade adhesive can alternately be used to secure the conformal tip to the gauge tip.
- Other equivalent fastening means are also contemplated by the present invention.
- a gauge tip 40 of the present invention is shown attached to an otoscope 30 and inserted into an ear canal 10.
- a conformal hearing device tip 50 is attached to the distal end of the gauge tip 40.
- the conformal tip 50 is positioned proximate the tympanic membrane 20 deep within the ear canal 10, at a position where the surrounding material 14 is dense bone. Only a thin layer of tissue 18 covers the walls of the ear canal at this point and therefore, there is no compression of the ear canal when a solid object is inserted into this area.
- the conformal tip 50 includes a surrounding membrane 54 filled with a compliant material such as a gel, foam or liquid. This gel filled membrane allows the conformal tip to securely seat within the bony inner region of the ear canal without causing excessive pressure and resulting discomfort for the wearer. Further details of this conformal tip 50 are disclosed in co-pending U.S. Patent Application No. [not-yet-assigned, Lyon & Lyon docket no. 236/024], filed on the same date herewith, and which is fully incorporated herein by reference for all it discloses.
- the conformal tip 50 can be rapidly and easily exchanged with other (i.e., differently sized) conformal tips allowing the audiologist or physician to try different size conformal tips until one that properly fits within the ear canal 50 is found. Once the proper size is determined, the conformal tip 50 can be attached to a hearing device body and the fitting process is essentially complete. All steps to the process of fitting a hearing device can thus be accomplished at the audiologist or physician's office. The line of sight 60 of the treating physician/audiologist is maintained, while inserting the respective gauge tip 40 and conformal tip 50 into the ear canal 10. Therefore the physician/audiologist can simultaneously place the conformal tip 50 while examining its position.
- an alternate preferred gauge tip 140 is designed to allow the physician/audiologist to not only size a conformal hearing aid tip but to allow the physician/audiologist to size a hearing device shell as well.
- the gauge tip 140 is similarly designed to fit over an existing otoscope tip, but is additionally configured to represent the shape of an entire hearing device body rather than simply providing a way to size a conformal tip.
- the gauge tip 140 includes a body 141 made of a similar polycarbonate material as the gauge tip 40 of Fig. 3.
- gauge tip 140 includes a wide proximal opening 144 configured to fit over an otoscope tip 38.
- gauge tip 140 is not in the same conical shape as the previously described gauge tip 40, but instead has a distal end 142 formed into the shape of a fully assembled hearing device shell. Toward this end, distal end 142 is formed from two components 148 and 150, which together simulate the shape of a standard hearing device shell. Portion 148 is in the shape of a standard hearing device outer housing and portion 150 simulates the remaining body core portion of a hearing device. The portion 150 includes on its distal end a fastening device 146 similar to fastener 46 of tip 40. The fastening device 146 similarly allows a conformal tip 50 to be attached to the distal end of the gauge tip 140.
- portions 148 and 150 along with the conformal tip 50 attached to the distal end 142, creates an accurate model of the size and shape of a complete in-the- canal hearing device. Additionally, an accurate insertion distance can be more accurately maintained when sizing the conformal tip 50, thus further ensuring a proper sizing.
- a further alternate preferred gauge tip 240 is also designed to allow the physician/audiologist to simultaneously size both a hearing device shell, as well as a conformal hearing aid tip.
- the gauge tip 240 is preferably designed to fit over an existing otoscope tip and is also configured to represent the shape of an entire hearing device body.
- the gauge tip 240 includes an integrated conformal tip 250 permanently formed onto its distal end 242. In this manner, a physician/audiologist can interchange the entire gauge tip 240, rather than just the conformal tip portion, when sizing a patient's ear canal.
- the gauge tip 240 includes a body 241 made of a similar polycarbonate material as the gauge tips 40 and 140 of Figs. 3 and 7.
- Gauge tip 240 includes a wide proximal opening 244 configured to fit over an otoscope tip 38.
- the distal end 242 is formed from two components 248 and 250, which together simulate the shape of a standard hearing device employing a conformal tip.
- Portion 248 is in the shape of a standard hearing device shell and portion 250 simulates the conformal tip portion of an assembled hearing device.
- Fig. 9 shows an alternate preferred embodiment of an otoscope 130. Similar to the otoscope 30 described in conjunction with Fig. 2, the otoscope 130 includes a handle portion 132 and a scope portion 134. The scope portion 134 includes a viewing window 136, which allows the physician or audiologist to observe the ear canal and tympanic membrane when the otoscope is inserted into the ear canal. The otoscope 130 does not include its own tip portion as does the otoscope 30 of Fig. 2 (reference number 38). Instead, the otoscope 130 includes a mounting ring 138, which is adapted to allow the gauge tip 240 to be secured directly on the scope portion 134. Rather than sliding the gauge tip 240 over an existing otoscope tip, the otoscope 130 and gauge tip 240 are adapted to connect directly to one another.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Endoscopes (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU24126/00A AU2412600A (en) | 1999-01-15 | 2000-01-12 | Methods and apparatus for fitting hearing device tips |
EP00902403A EP1151633A1 (en) | 1999-01-15 | 2000-01-12 | Methods and apparatus for fitting hearing device tips |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23274799A | 1999-01-15 | 1999-01-15 | |
US09/232,747 | 1999-01-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000042816A1 true WO2000042816A1 (en) | 2000-07-20 |
Family
ID=22874387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/000831 WO2000042816A1 (en) | 1999-01-15 | 2000-01-12 | Methods and apparatus for fitting hearing device tips |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1151633A1 (en) |
AU (1) | AU2412600A (en) |
WO (1) | WO2000042816A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8616214B2 (en) | 2011-04-06 | 2013-12-31 | Kimberly-Clark Worldwide, Inc. | Earplug having a resilient core structure |
CN104936118A (en) * | 2014-03-17 | 2015-09-23 | 奥迪康有限公司 | A device for inserting or withdrawing a hearing aid |
WO2016045906A1 (en) * | 2014-09-23 | 2016-03-31 | Sonova Ag | An impression-taking pad and a method for taking an impression of an ear canal |
EP2374287A4 (en) * | 2008-12-04 | 2016-07-20 | Insound Medical Inc | Insertion device for deep-in-the-canal hearing devices |
FR3071149A1 (en) * | 2017-09-21 | 2019-03-22 | Acustis | REMOTE AUDIOMETRIC MEASUREMENT SYSTEM AND METHODS FOR ESTABLISHING A HEARING PROFILE AND ADJUSTING HEARING PROSTHESES USING SUCH A SYSTEM |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2678645A (en) * | 1952-11-28 | 1954-05-18 | Anthony S Raimo | Expansible otoscope |
US4567881A (en) * | 1983-03-31 | 1986-02-04 | Welch Allyn Inc. | Combination otoscope and audiometer |
EP0367855A1 (en) * | 1986-09-12 | 1990-05-16 | MATTSON, Philip D., Dr. | Otoscope and flexible, disposable curette for use therewith |
DE4339899A1 (en) * | 1993-11-23 | 1995-06-01 | Lux Wellenhof Gabriele | Hearing aid, or part of hearing aid, to be worn in ear |
-
2000
- 2000-01-12 AU AU24126/00A patent/AU2412600A/en not_active Abandoned
- 2000-01-12 WO PCT/US2000/000831 patent/WO2000042816A1/en not_active Application Discontinuation
- 2000-01-12 EP EP00902403A patent/EP1151633A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2678645A (en) * | 1952-11-28 | 1954-05-18 | Anthony S Raimo | Expansible otoscope |
US4567881A (en) * | 1983-03-31 | 1986-02-04 | Welch Allyn Inc. | Combination otoscope and audiometer |
EP0367855A1 (en) * | 1986-09-12 | 1990-05-16 | MATTSON, Philip D., Dr. | Otoscope and flexible, disposable curette for use therewith |
DE4339899A1 (en) * | 1993-11-23 | 1995-06-01 | Lux Wellenhof Gabriele | Hearing aid, or part of hearing aid, to be worn in ear |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2374287A4 (en) * | 2008-12-04 | 2016-07-20 | Insound Medical Inc | Insertion device for deep-in-the-canal hearing devices |
US8616214B2 (en) | 2011-04-06 | 2013-12-31 | Kimberly-Clark Worldwide, Inc. | Earplug having a resilient core structure |
CN104936118A (en) * | 2014-03-17 | 2015-09-23 | 奥迪康有限公司 | A device for inserting or withdrawing a hearing aid |
EP2922312A1 (en) * | 2014-03-17 | 2015-09-23 | Oticon A/s | A device for inserting or withdrawing a hearing aid |
WO2016045906A1 (en) * | 2014-09-23 | 2016-03-31 | Sonova Ag | An impression-taking pad and a method for taking an impression of an ear canal |
US10070235B2 (en) | 2014-09-23 | 2018-09-04 | Sonova Ag | Impression-taking pad and a method for taking an impression of an ear canal |
FR3071149A1 (en) * | 2017-09-21 | 2019-03-22 | Acustis | REMOTE AUDIOMETRIC MEASUREMENT SYSTEM AND METHODS FOR ESTABLISHING A HEARING PROFILE AND ADJUSTING HEARING PROSTHESES USING SUCH A SYSTEM |
WO2019058061A1 (en) * | 2017-09-21 | 2019-03-28 | France Hearing Systems | Remote hearing test system and associated methods for establishing an auditory profile and adjusting hearing aids using such a system |
US11228852B2 (en) | 2017-09-21 | 2022-01-18 | Neocustic | Remote hearing test system and associated methods for establishing an auditory profile and adjusting hearing aids using such a system |
EP4344610A3 (en) * | 2017-09-21 | 2024-06-05 | Neocustic | Remote audiometric measurement system and associated methods for hearing profiling and hearing aid fitting using such a system |
Also Published As
Publication number | Publication date |
---|---|
EP1151633A1 (en) | 2001-11-07 |
AU2412600A (en) | 2000-08-01 |
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