EP0629101B1 - Prothèse auditive à porter dans l'oreille et procédé pour sa fabrication - Google Patents

Prothèse auditive à porter dans l'oreille et procédé pour sa fabrication Download PDF

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Publication number
EP0629101B1
EP0629101B1 EP94810287A EP94810287A EP0629101B1 EP 0629101 B1 EP0629101 B1 EP 0629101B1 EP 94810287 A EP94810287 A EP 94810287A EP 94810287 A EP94810287 A EP 94810287A EP 0629101 B1 EP0629101 B1 EP 0629101B1
Authority
EP
European Patent Office
Prior art keywords
hearing aid
skeleton
aid according
auditory canal
diaphragm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP94810287A
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German (de)
English (en)
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EP0629101A1 (fr
Inventor
Walter Aebi
Elmar Mock
Grégoire Iten
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bernafon AG
Original Assignee
Ascom Audiosys AG
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Filing date
Publication date
Application filed by Ascom Audiosys AG filed Critical Ascom Audiosys AG
Publication of EP0629101A1 publication Critical patent/EP0629101A1/fr
Application granted granted Critical
Publication of EP0629101B1 publication Critical patent/EP0629101B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/652—Ear tips; Ear moulds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/658—Manufacture of housing parts
    • H04R25/659—Post-processing of hybrid ear moulds for customisation, e.g. in-situ curing

Definitions

  • the invention relates to a hearing aid to be worn in the ear and to a method for their manufacture according to the generic terms of the corresponding independent Claims.
  • the most common method of making in the ear too Wearing hearing aids consist of a hearing aid consultant who at the same time examines the hearing impairments of the potential user Silicone cast of the ear canal that is made after this silicone cast a transparent, positive model of the ear canal is created and that in this model a plastic polymerizing with the help of light is poured from the outside to the inside up to a certain layer thickness hardens.
  • a hollow molded body is created, in which the electronic components of the hearing aid are installed, wherein at least one opening for the loudspeaker and for the inside of the ear a pressure equalization channel can be arranged.
  • the ear canal is closed with a lid that in turn an opening for the pressure equalization channel and a separate compartment for a replaceable battery.
  • the hearing aid produced in this way has a molded body with a very good one Fit, but the skin of the ear canal is so complete covers that there can be no question of ventilation. This also leads inevitably leads to increased excretion of sweat and cerumen.
  • the between The eardrum and hearing aid remain part of the ear canal through the pressure equalization channel open to the outside, so that pressure equalization take place and moisture can escape.
  • the pressure equalization channel But can in turn the feedback between speakers and raise the microphone.
  • the method described for producing the hearing aid is complex, because the molded body is cast in several positive-negative steps must and because these manufacturing steps are such that they are not provided by the hearing aid consultant can be run yourself. In other words, the manufacturer of the hearing aids has to deal with the individual completion of individual, user-specific devices.
  • U.S. Patent No. 4962537 proposes the molded body in the form of a double-walled sack from one to provide flexible material, directly in the user's ear between a hardening plastic mass is pressed on the two walls.
  • This method can save some manufacturing process steps but the cast molded body still has to be reworked , in particular an opening for a pressure compensation channel must be made on it and retrofitted for the speaker, and it is doubtful whether this will be done by the hearing aid advisor himself can.
  • Publication US-5131411 describes a hearing aid who also created one in an individual ear canal Has molded body. This is made by foaming of a foamable material that is not yet individualized Hearing aid is provided in an unfoamed state and that immediately before the not yet individualized hearing aid positioned in an individual ear canal to Foaming is brought. To improve the surface of the finished hearing aid can be between the ear canal wall and foamed Shaped body a fine membrane can be provided.
  • the publication FR-2667500 describes the manufacture of an ear plug described.
  • the earplug is made by a pouring stocking attached to a cover plate into which a Giesskanal leads, positioned in an individual ear canal and by pouring the casting stocking through the pouring channel with a hardening casting compound is filled.
  • the one surrounded by the stocking Shaped body takes the shape of the individual ear canal on.
  • the earplug can be used as hearing protection or provided with a hearing aid unit after casting and to be made into a hearing aid.
  • the object of the invention to have a hearing aid to be worn in the ear to create a molded body adapted to an individual ear canal, the hearing aid on the one hand in relation to comfort compared to known such hearing aids has improvements and on the other hand in a simpler process can be produced, in particular individualized can. Furthermore, a method must be specified by which the hearing aid is manufactured, especially individualized.
  • the method according to the invention is roughly outlined as follows: a general standard (not yet on an individual ear canal adapted) hearing aid.
  • This advantageously has a limited plastically deformable skeleton on which the electronic components of the Hearing aid and to which a flexible membrane is attached such that a skeleton and membrane form a casting space that faces the outside has an open pouring channel.
  • the hearing aid is now individualized (on customized an individual ear canal) by matching the skeleton the individual shape of the ear canal is deformed by already being so partially customized hearing aid positioned in the ear and then the casting room is poured out with a hardening plastic mass, the The membrane is deformed and the resulting molded body changes accordingly Ear canal shapes.
  • the skeleton and membrane are designed and attached to each other that no reworking due to skeletal deformation and Pouring the molded body of individualized hearing aid is necessary.
  • the material and the structure of the membrane are such that they pass through an extremely fine porosity and corresponding surface quality for gases permeable, but impermeable to liquids and that they are sufficient is elastic in order to be as wrinkle-free as possible when casting the molded body to be able to put on the ear canal wall.
  • the membrane is not just that perpendicular to their surfaces permeable to gas but also parallel to it, such that not only through this membrane the air displaced during casting can escape, but that they are also used as a pressure compensation and Ventilation of the ear canal skin can serve. This property can still be increased by the membrane on its side facing the skeleton a coarse porous intermediate layer that carries a layer of an open pore Foam or a network can be. So that the membrane functions can also exercise for a long time, it is also water and oil repellent.
  • a foamed and stretched PTFE membrane is under the name GORE-TEX® by W.L. Gore & Co GmbH (D-88011 Putzbrunn near Munich) is produced, which has the required properties and is suitable for use. It is a foamed one and stretched PTFE material (polytetrafluoroethane), the one finely porous membrane.
  • This membrane has not only the ones in demand physical properties, but is very skin and body friendly (It can also be used as a temporary skin for large wounds become).
  • membrane materials are woven from plastic fibers, for example, knitted or knitted materials conceivable that at least on the the surface facing the ear canal are coated with an oil and water repellent layer.
  • This layer can, for example, be vapor-deposited Layer of Parylen® (Union Carbide Corp., USA) or silane.
  • Figure 1 shows the principle of the hearing aid according to the invention in a very schematic manner.
  • the hearing aid is shown cut in its already individualized state and parallel to the axis of the auditory canal. It essentially has the shape of an irregular truncated cone with a lateral surface M, a larger end face AS directed towards the outside in the auditory canal and a smaller end face IS facing towards the inside in the auditory canal.
  • the hearing aid consists essentially of a molded body 1, which in its Shape is adapted to the ear canal and at least on the lateral surface M, that means where he touches the ear canal wall while wearing the device, is covered with a membrane 2 as already described.
  • the hearing aid also has a skeleton consisting essentially of three parts: of an outer support element 3, which essentially the outer end face AS the device forms an inner support member 4, which is essentially the forms the inner end face of the device, and a connecting element 5, the connects the two support elements 3 and 4 together.
  • the connecting element 5 serves to support the two support elements 3 and 4 before casting the To keep the shaped body in a mutual position, the roughly an ear canal corresponds.
  • the connecting element 5 is advantageously limited deformable, so that the first individualization step is the mutual Position of the support elements 3 and 4 adapted to the individual ear canal can be.
  • the outer support element 3 carries a microphone 31, for which it is connected to the corresponding Place is provided with sound passage openings 32. Furthermore forms the outer support element 3 has a lockable battery compartment 33 and carries one Pouring or injection opening 34.
  • the inner support element 4 carries a loudspeaker 41 and is also included Sound passage openings 42 provided.
  • the membrane 2 which the molded body at least on its lateral surface M surrounds, is around the two end faces AS and IS on the two support elements attached (digits X in the figure).
  • the membrane 2 can additionally completely span the inner end face IS. You can also use the outer face partially spanning, but must the pouring or injection opening 34 and leave the battery compartment 33 freely accessible.
  • the amplifier electronics can either be from one of the Carrying elements or worn by the connecting element. It can too be cast into the molded body without special attachment to the skeleton.
  • the skeleton is advantageously made of plastic.
  • the membrane can the supporting elements, for example by welding, by gluing or be fastened by appropriate tensioning elements. Other mounting options are described in connection with Figures 2 to 4.
  • the general hearing aid from which the one shown schematically in FIG. individualized hearing aid, differs from this in that that the molded body 1 only as an undetermined casting cavity between Support elements and membrane is present.
  • the on the support elements 3 and 4 attached membrane 2 surrounds the skeleton loosely and forms the supporting elements together form a substantially tubular skeleton surrounding casting room, which opens through the pouring channel 34 to the outside.
  • the casting space between the membrane and the skeleton is through the pouring channel 34 Poured out with a suitable plastic while the hearing aid is in the ear canal is positioned.
  • the plastic hardens to an individualized molded body 1.
  • the requirements for the plastic are that it is easy to get through the pouring channel can be poured in and that it hardens quickly. Of course, it must be skin-friendly.
  • casting compounds can also be used.
  • Advantageously such materials are used in the polymerization do not split off any low molecular weight residues.
  • the casting compound can Improvement of the properties of the molded body as a sound and vibration damper Additives, for example small foam bodies or hollow glass balls, be added.
  • the steps necessary to individualize the general hearing aid are deforming the skeleton and casting the molded body. Both steps can be performed by the hearing aid consultant without any problems, such as that the user can take the hearing aid with them after a session and that the manufacturer only has to produce general hearing aids.
  • FIGS. 2 to 4 The exemplary embodiments shown in FIGS. 2 to 4
  • the hearing aid according to the invention essentially differ from one another in that the electronic components to different degrees are accessible.
  • the principle described in connection with Figure 1 is preserved in all embodiments.
  • FIG. 2 shows a first exemplary embodiment of the hearing aid according to the invention, again in section parallel to the auditory canal axis.
  • the device is positioned in an auditory canal, the auditory canal walls being indicated by the lines G.
  • the hearing aid shown is already individualized. It has a skeleton, which in turn consists of an outer support element 3, an inner support element 4 and a connecting element 5 and which carries the electronic components.
  • This skeleton is arranged in a cast molded body 1, the surface of which facing the auditory canal is covered by a sack-shaped membrane 2.
  • the two support elements 3 and 4 are designed as an inner capsule 4.1 with a inner closing element 4.2 and an outer capsule 3.1 with an outer Locking element 3.2 formed, through the at least partial accessibility of the electronic components on the individualized hearing aid becomes possible.
  • the speaker 41 is housed by the opening of which is introduced before the closing element 4.2 is placed on it becomes.
  • the outer capsule 3.1 are advantageously arranged accordingly Fan the microphone 31 in a microphone compartment 31.1 and in a battery compartment 33 accommodates a battery.
  • the amplifier electronics too 6 can be accommodated in the outer capsule 3.1.
  • the electrical Connections between the electronic components of the hearing aid run for example by the deformable connecting element 5.
  • pouring opening 34 is also arranged, for example on the outer capsule 3.1 molded.
  • the openings of the individual compartments of the outer capsule 3.1 and the opening of the pouring channel 34 advantageously lies essentially in one level, so that they are closed together by the locking element 3.2 can. It can also be separate for the different openings Closing elements may be provided or partial areas for individual openings of the common locking element 3.2 can be designed such that they can be opened and closed without the whole locking element 3.2 must be opened.
  • the battery compartment 33 is shown in FIG completed such a partial closing element 33.1 and thereby for the Easily accessible to users.
  • the sack-shaped membrane 2 has a main opening, the edge of which is all around the area in which the opening of the outer capsule 3.1 and the opening of the Giesskanals 34 are arranged such that the entire skeleton in the except for the opening of the pouring channel 34 and the opening of the outer capsule 3.1 is enclosed by the membrane 2.
  • the attachment the membrane 2 around the outer capsule is taken over by a outer membrane fixative, for example, from a form-fitting order the outer capsule arranged fixing ring 10 (on the left side of the figure shown) or by appropriately form-fitting design of the edge areas of the closing element 3.2 (shown on the right side of the figure) can exist. If the membrane 2 through the closing element 3.2 attached to the outer capsule 3.1, it is necessary that the closing element 3.2, as shown in the figure for the battery compartment 33, also for the Pour channel 34 a removable portion or at least one opening having.
  • the inner membrane fixing agent is, for example, the form-fitting perforated inner fitting to the opening of the inner capsule 4.1
  • Closing element 4.2 the membrane 2 around the opening of the capsule 4.1 holds in such a way that the casting compound cannot enter the opening, which the the capsule opening spanning part 21 of the membrane 2 in use protects mechanically and that is not an obstacle to the sound of the speaker represents (sound passage openings).
  • That part of the opening of the outer capsule 3.1 that is above the microphone compartment 31.1 is covered with a membrane.
  • a membrane This can, as shown in Figure 1, with a between closing element 4.2 and Capsule wall clamped, separate piece 22 of the membrane can be realized or in such a way that the membrane 2 also integrally over it Opening spans, being held in the same way as on the Opening the inner capsule 4.1.
  • the closing element 3.2 is advantageously perforated.
  • the membrane 2 can on the capsules or the corresponding closing elements As already mentioned, it can also be welded or glued on.
  • FIGS. 1 and 2 show a further embodiment of the hearing aid according to the invention.
  • the principle in turn corresponds to that described in connection with FIG. 1 and the basic components of the hearing aid are the same, so that both no longer need to be described.
  • the difference from the hearing aids according to FIGS. 1 and 2 is that the connecting element 5 is hollow and serves as a pressure compensation channel, for which purpose corresponding mouth openings 45 and 35 are provided in the inner (4) and in the outer supporting element 3.
  • the pouring opening 34 is arranged such that it opens into the battery compartment 33.
  • the inner end face IS is covered with a separate membrane piece 46, the area of the microphone 31 and the outer mouth opening 45 of the pressure compensation channel with a separate membrane piece 36.
  • Microphone 31 and loudspeaker 41 are cast directly by the casting compound or can be surrounded on the molded body side with a sound insulation material 37.
  • FIG. 3 shows the hearing aid in the general state as it is delivered by the manufacturer.
  • Figure 4 shows the hearing aid in the ear canal G, ready for pouring.
  • the battery and the battery compartment cover are removed.
  • the separate membrane pieces 36 and 46 (FIG. 3) are removed, and a protective element 48 is attached to the inner end face IS of the hearing aid through the pressure equalization channel with a wire 7, through which not only the eardrum should be protected during casting, but should also help to position the not yet individualized hearing aid in the ear canal.
  • the protective element 48 consists for example of foam.
  • the wire 7 carrying the protective element can additionally serve as an aid for inserting the hearing aid into the auditory canal and for removing it.
  • the membrane Before pouring, that is to say in the general state of the hearing aid, the membrane must already have a shape corresponding to a certain extent to the auditory canal, so that in the individualized state of the hearing aid it spans the molded body without wrinkles. In particular, it should be possible to attach it around its main opening (outer end face) and around the opening on the inner end face as wrinkle-free as possible. To do this, the membrane must be in the form of a sack that tapers away from the main opening. Such a membrane bag can, as shown in FIGS . 5a to 5c , be produced in different ways.
  • a bag S can be drawn from a flat piece ME of a membrane.
  • This method of manufacture requires sufficient deformability of the membrane, but is particularly advantageous if the membrane is to span the inner end face of the hearing aid, that is to say if the membrane bag is to have only one main opening but no further opening.
  • FIG. 5b shows a method for producing a membrane bag S, likewise from a flat membrane piece ME, from which a piece K is cut in the form of a unwound truncated cone. This piece K is welded to the membrane bag S with a main opening H and a further opening W.
  • FIG. 5c shows the production of a membrane bag again with a main opening H and a further opening W from a piece of membrane hose MS by expanding its one end to a larger diameter.
  • this on a second layer (intermediate layer) be brought up on the finished hearing aid between the Membrane and the molded body is arranged, so not with the skin of the Ear canal comes into contact.
  • this layer can be an open-cell foam or a mesh on which the membrane is drawn is. It turns out that such an intermediate layer is also used in production of the membrane bag.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Prostheses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Battery Mounting, Suspending (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Claims (15)

  1. Appareil auditif à porter dans l'oreille, qui correspond essentiellement à un tronc de cône irrégulier présentant une surface frontale extérieure (AS), une surface frontale intérieure (IS) et une surface d'enveloppe (M), lequel appareil auditif présente un squelette doté d'un élément porteur extérieur (3) et d'un élément de liaison (5), l'élément porteur extérieur (3) formant la surface frontale extérieure (AS) et présentant une ouverture de coulée (34) et l'élément de liaison (5) reliant la surface frortale extérieure (AS) à la surface frontale intérieure (IS), lequel appareil auditif présente des composants électroniques qui sont portés au moins en partie par le squelette, lequel appareil auditif pouvant être adapté ou étant adapté à un conduit auditif individuel par coulée d'un corps façonné dans ce conduit auditif, caractérisé en ce que le squelette présente en supplément un élément porteur intérieur (4) qui forme la surface frontale intérieure (IS), et en ce qu'une membrane (2) est fixée aux éléments porteurs (3, 4) de telle sorte qu'elle forme la surface d'enveloppe (M) du tronc de cône, en ce que, dans le cas d'un appareil auditif adaptable, elle délimite avec le squelette (3, 4, 5) un espace vide de coulée et en ce que dans le cas d'un appareil auditif adapté, elle délimite un corps façonné coulé dans cet espace vide de coulée, tandis que pour évacuer l'air de l'espace vide de coulée lors de la coulée du corps façonné (1), la membrane (2) est perméable aux gaz perpendiculairement à sa surface et parallèlement à cette dernière et est imperméable aux liquides, la membrane (2) étant répulsive vis-à-vis de l'eau et des huiles pour conserver le confort de portée obtenu par sa porosité.
  2. Appareil auditif selon la revendication 1, caractérisé en ce que la membrane (2) est un matériau de PTFE moussé et étiré.
  3. Appareil auditif selon la revendication 1, caractérisé en ce que la membrane est tissée ou tricotée en fibres synthétiques et au moins sur le côté tourné vers le conduit auditif, elle est revêtue d'une couche répulsive vis-à-vis de l'eau et des huiles.
  4. Appareil auditif selon l'une des revendications 1 à 3, caractérisé en ce que sur son côté tourné vers le squelette (3, 4, 5), la membrane (2) porte une couche intermédiaire.
  5. Appareil auditif selon la revendication 4, caractérisé en ce que la couche intermédiaire est constituée d'une mousse à pores ouverts ou d'un treillis.
  6. Appareil auditif selon l'une des revendications 1 à 5, caractérisé en ce que dans le cas d'un appareil auditif adapté présentant un corps façonné, le corps façonné (1) est constitué au moins en partie de vinylpolysiloxane.
  7. Appareil auditif selon l'une des revendications 1 à 6, caractérisé en ce que dans le cas d'un appareil auditif adapté présentant un corps façonné, le corps façonné (1) présente des garnitures pour améliorer ses propriétés d'amortissement.
  8. Appareil auditif selon la revendication 7, caractérisé en ce que les garnitures sont des pièces en mousse ou des billes creuses en verre ou en matière synthétique.
  9. Appareil auditif selon l'une des revendications 1 à 8, caractérisé en ce que le côté frontal intérieur (IS) est recouvert totalement ou partiellement par la membrane (2) et/ou en ce que le côté frontal extérieur (AS) est recouvert partiellement par la membrane (2).
  10. Appareil auditif selon l'une des revendications 1 à 9, caractérisé en ce qu'au moins l'un des éléments porteurs (3, 4) est configuré comme capsule (3.1, 4.1) dotée d'un élément de fermeture (3.2, 4.2).
  11. Appareil auditif selon l'une des revendications 1 à 10, caractérisé en ce que la membrane (2) est fixée aux éléments porteurs (3, 4) par soudage, collage ou à l'aide d'un moyen de fixation de membrane.
  12. Appareil auditif selon l'une des revendications 1 à 11, caractérisé en ce que l'élément de liaison (5) est plastiquement déformable.
  13. Appareil auditif selon l'une des revendications 1 à 12, caractérisé en ce que l'élément de liaison (5) est creux et en ce que dans les éléments porteurs (3, 4) débouchent des ouvertures (3, 4, 5) qui forment un canal d'équilibrage de pression avec l'espace creux de l'élément de liaison.
  14. Procédé d'individualisation d'un appareil auditif selon l'une des revendications 1 à 13, dans lequel un appareil auditif qui ne présente pas encore de corps façonné (1) est positionné dans le conduit auditif individuel d'un porteur, et une masse de coulée durcissable est coulée par l'ouverture de coulée (34) autour du squelette (3, 4, 5) de l'appareil auditif positionné dans le conduit auditif, laquelle masse de coulée durcit dans le conduit auditif, caractérisé en ce que lors du remplissage de l'espace vide de coulée de forme essentiellement tubulaire délimité par le squelette (3, 4, 5) et la membrane (2), la membrane (2) vient se placer contre la paroi du conduit auditif avec la pâte de coulée en durcissement, l'air refoulé par l'opération de coulée dans l'espace vide de coulée et dans le conduit auditif étant évacué au moins en partie par la membrane (2) perméable aux gaz perpendiculairement à sa surface et parallèlement à celle-ci.
  15. Procédé selon la revendication 14, caractérisé en ce qu'avant l'opération de coulée, l'appareil auditif est adapté grossièrement au conduit auditif individuel par déformation plastique de l'élément de liaison (5) du squelette (3, 4, 5).
EP94810287A 1993-06-11 1994-05-17 Prothèse auditive à porter dans l'oreille et procédé pour sa fabrication Expired - Lifetime EP0629101B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH175793 1993-06-11
CH175793 1993-06-11
CH1757/93 1993-06-11

Publications (2)

Publication Number Publication Date
EP0629101A1 EP0629101A1 (fr) 1994-12-14
EP0629101B1 true EP0629101B1 (fr) 2001-09-05

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US (1) US5530763A (fr)
EP (1) EP0629101B1 (fr)
AT (1) ATE205357T1 (fr)
AU (1) AU677647B2 (fr)
DE (1) DE59409849D1 (fr)
DK (1) DK0629101T3 (fr)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
US7174028B1 (en) 2000-09-07 2007-02-06 Phonak Ag Method for manufacturing hearing aids, and a hearing aid
DE102005040542B3 (de) * 2005-08-26 2007-04-12 Siemens Audiologische Technik Gmbh In-dem-Ohr-Hörgerät mit Elektronikmodul
EP3939338B1 (fr) * 2019-05-09 2024-02-21 Sivantos Pte. Ltd. Procédé permettant d'adapter un élément otoplastique d'un appareil auditif

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SE9402631L (sv) * 1994-08-04 1995-07-24 Peter Joakim Lenz Anordning vid hörapparat
US5818946A (en) * 1996-03-22 1998-10-06 Walter; Dieter Waldemar Ruggedized solar charged hearing aid
EP0821542A3 (fr) * 1996-07-24 2004-06-02 Bernafon AG Prothèse auditive portable complètement dans le conduit auditif et individualisée par moulage d'un corps
EP0821543A3 (fr) * 1996-07-24 2004-06-02 Bernafon AG Membrane comme surface extérieure d'une prothèse auditive qui est individualisée par moulage d'un corps
EP0821541A3 (fr) * 1996-07-24 2004-06-02 Bernafon AG Prothèse auditive portable complètement dans le conduit auditif et individualisée par moulage d'un corps
US6424722B1 (en) 1997-01-13 2002-07-23 Micro Ear Technology, Inc. Portable system for programming hearing aids
US7787647B2 (en) 1997-01-13 2010-08-31 Micro Ear Technology, Inc. Portable system for programming hearing aids
US6449662B1 (en) 1997-01-13 2002-09-10 Micro Ear Technology, Inc. System for programming hearing aids
US6754361B1 (en) * 1997-04-17 2004-06-22 3M Innovative Properties Company Ergonomic headset assembly
ITFO970022A1 (it) * 1997-09-16 1999-03-16 Otosan Di Gianardi Massimiliano Accessorio di sicurezza per i coni di tessuto e cera impiegati nella pulizia del cavo auricolare
US6728383B1 (en) 1997-12-18 2004-04-27 Softear Technologies, L.L.C. Method of compensating for hearing loss
US6432247B1 (en) 1997-12-18 2002-08-13 Softear Technologies, L.L.C. Method of manufacturing a soft hearing aid
US6022311A (en) * 1997-12-18 2000-02-08 General Hearing Instrument, Inc. Apparatus and method for a custom soft-solid hearing aid
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Also Published As

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EP0629101A1 (fr) 1994-12-14
DE59409849D1 (de) 2001-10-11
ATE205357T1 (de) 2001-09-15
AU6332694A (en) 1994-12-15
AU677647B2 (en) 1997-05-01
DK0629101T3 (da) 2001-12-31
US5530763A (en) 1996-06-25

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