EP0821541A2 - Prothèse auditive portable complètement dans le conduit auditif et individualisée par moulage d'un corps - Google Patents

Prothèse auditive portable complètement dans le conduit auditif et individualisée par moulage d'un corps Download PDF

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Publication number
EP0821541A2
EP0821541A2 EP97810482A EP97810482A EP0821541A2 EP 0821541 A2 EP0821541 A2 EP 0821541A2 EP 97810482 A EP97810482 A EP 97810482A EP 97810482 A EP97810482 A EP 97810482A EP 0821541 A2 EP0821541 A2 EP 0821541A2
Authority
EP
European Patent Office
Prior art keywords
hearing aid
aid according
opening
casting
support element
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.)
Withdrawn
Application number
EP97810482A
Other languages
German (de)
English (en)
Other versions
EP0821541A3 (fr
Inventor
Jürg Clavadetscher
Marcel Aeschlimann
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
Bernafon AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bernafon AG filed Critical Bernafon AG
Publication of EP0821541A2 publication Critical patent/EP0821541A2/fr
Publication of EP0821541A3 publication Critical patent/EP0821541A3/fr
Withdrawn legal-status Critical Current

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    • 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
    • H04R25/658—Manufacture of housing parts
    • 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 invention is in the field of hearing aids and relates to Hearing aid to be worn entirely in the ear canal according to the preamble of the first independent claim.
  • the hearing aid according to the invention is through Pouring a body into an ear canal or model this ear canal is adaptable and thus from one general to another individualized state bringable.
  • CIC devices to be worn entirely in the ear canal
  • CIC devices CIC for "Completely In the Canal”
  • the amplifier is usually integrated Circuit (chip) trained and can in addition to the amplifier function Take control functions and / or be programmable.
  • the hearing aid can also have a receiving coil for receiving signals for remote control of the device or for receiving radio or telephone signals.
  • the hearing aid can also be used only for radio reception and then only has a receiving coil and no microphone.
  • a CIC hearing aid must have elements like any other hearing aid have and is advantageously as close as possible to the ear canal adapted to the individual wearer.
  • the CIC hearing aid has compared to other hearing aids that are in the ear canal can reach, but which are not worn entirely in the ear canal, acoustic and aesthetic advantages.
  • the acoustic advantages of the CIC device consist mainly of the space between the eardrum and the inside End of the device is smaller, which improves the sound quality and the necessary reinforcement, that means the energy necessary for the operation reduced.
  • the aesthetic advantages of the CIC device are that Device is less visible.
  • the CIC hearing aid has the shape of an irregular cylinder with a middle one Diameter of approx. 6 mm and an axial length of approx. 20 mm, where the diameter is given by the inner diameter of the ear canal and the length is essentially that of the hearing function Components is determined.
  • the outer face of the device is covered by formed a front panel with a battery opening. On the inner face is the output of the speaker arranged when wearing the device is positioned approx. 3 mm from the eardrum.
  • ITC devices ITC for " I n T he C anal"
  • ITC devices ITC for " I n T he C anal
  • the ITC device is shaped in such a way that its inner end, which carries the loudspeaker, reaches into the ear canal, but that its larger part is positioned in the area of the expanding auditory canal exit, that is to say actually in the auricle.
  • ITC devices of this type usually have a shell with a cavity as the supporting element, the components used for the hearing function being accommodated in this cavity.
  • the shell is usually made from a hardening casting compound in a mold made from an auditory canal cast. It is also proposed to cast such shells directly in the ear canal.
  • ITC devices have a skeleton on which those serving the hearing function Components of the hearing aid are attached.
  • the one that carries the components Skeleton is, advantageously directly in the ear canal, with a hardening Poured mass, being a body with an individual to the ear canal adapted form arises. Because this body has no supporting function has, it can be made of a soft material, whereby the Comfort can be improved.
  • Such devices and corresponding Manufacturing methods are described, for example, in the publications EP-629101 and WO-92/03894.
  • the main difference between the CIC device and ITC devices is, as already mentions the significantly reduced size of the CIC device and its position much deeper in the ear canal.
  • the size of the hearing function serving components essentially the same as in other hearing aids.
  • the position of the CIC device in the ear canal is such that the device from an outer part of the ear canal, which is cartilaginous and whose shape is Jaw movements relatively changed, in an internal part of the ear canal which inner part of the auditory canal is bony is enough, which hardly changes Has shape and is extremely sensitive to pressure marks and the like.
  • the CIC device does not get a hold of an im quite Form-constant and cartilaginous-elastic ear canal exit positioned Part.
  • a shell that is supposed to take over the main carrying function of a CIC device must have sufficient flexural strength. Should she at the same time but also be soft for the reasons mentioned above, this requires one Wall thickness, which is not possible with the small diameter of the CIC device is. For this reason, the softness of the shell and thus the wearing comfort the device the necessary strength and the necessary low Size are subordinate and can not be optimal.
  • the object of the invention is to provide a hearing aid that the miniaturization that a CIC device requires allows it anyway offers maximum comfort that is particularly soft enough to the deformation of the ear canal due to jaw movements adjust such that these deformations do not result in a reduction in comfort to lead.
  • the hearing aid according to the invention should be simple Procedure and with as few, as simple as possible steps of its general can be brought into its individualized state, so that it can be customized directly in the ear of the wearer and performed by a hearing consultant.
  • the general If possible, all components of the device except the individually shaped one Already have bodies and should in particular after the individualization the body does not need to be reworked.
  • the hearing aid according to the invention differs from existing hearing aids (CIC or ITC) in particular in that it is a load-bearing element neither a shell surrounding a cavity for the other components still has a skeleton encased in a body.
  • the main function The hearing aid according to the invention is used solely by the individual Body adapted to the ear canal, in which the hearing function serving components are poured in virtually floating.
  • This Body with the cast components has the entire axial length of the device has a sufficient cross-section, even if it made of a fairly soft material (Shore hardness A from 5 to 70) that to have the necessary bending strength for the mechanical supporting function.
  • the device is in its general condition in which it is still has no body and in which it is only once, namely for casting of the body into which the ear canal needs to be inserted load-bearing element needs. It turns out that even without a stiffening element between the two end faces the device with the corresponding Care in the ear canal for casting the body is positionable that it but it is necessary to limit its axial extent. An the axial The length of the general device against the top-limiting element has increased ensure that the device is not stretched by the casting pressure in such a way that its innermost part approaches or even touches the eardrum, which is very painful. It also shows that the general device at Insertion into the ear canal easily compressed in the axial direction and that it stretches when pouring and that through the length-limiting element receives defined axial length.
  • the hearing aid according to the invention therefore has its general state an element limiting its axial length towards the top.
  • This length-limiting Element can be a stiff in itself, also a load-bearing function take over provisional supporting element, which after casting the Body must be removed from the device. But it can also be flexible, in their length will not be an extensible string that after casting the body out removed from the device or left in the device.
  • One to be removed length-limiting element protrudes from at least one end face Device out. If it is a rigid element, it is advantageous plastically deformable (e.g. metal wire).
  • the length-limiting element can, if it is removed after casting and over both end faces protrudes, not only as a length-limiting element in the general hearing aid but also as a mold for an axially leading through the device Serve vent channel.
  • the hearing aid according to the invention in its general state points as the At least one microphone or receiver coil serving the hearing function, an amplifier chip and a speaker and one die front face forming front plate, in which a battery opening and a Opening for the vent channel are arranged.
  • the inner face is in the essentially formed by the output side of the speaker.
  • Between The front panel and the inner end face extend essentially tubular, stretchable membrane that wraps around the front panel and around around the loudspeaker tightly using suitable connecting means and a pouring cavity pourable through the battery opening in the front panel forms.
  • the inner connection means (tight connection between Loudspeaker and membrane, for example, is essentially an elastic seal formed in the shape of an eight, with an opening for the Speakers and the other for a vent channel, or for the length-limiting Element is provided.
  • a length-restricting one to be removed Element runs essentially axially through the casting cavity and through the corresponding openings in the front panel and connecting means outside, where appropriate locking means ensure that the distance a predetermined between the front plate and the inner end face (axial device length) Dimension cannot exceed.
  • the individualized hearing aid is made from the general hearing aid essentially by pouring the casting cavity through the battery opening the front panel with a casting compound, which advantageously to one soft body with a Shore hardness A of 5 to 70 solidifies. If the If the body is frozen, the length-limiting element may become removed, creating a substantially axially leading through the body Vent channel is created.
  • the hearing aid according to the invention extremely suitable for individualization directly in the ear canal, that is one Individualization that can be carried out directly by the hearing advisor, so that a Potential wearer of his hearing aid practically after only one session with the hearing advisor can take with you.
  • Hearing aid according to the invention with the aid of a cast over an auditory canal cast manufactured ear canal model from a general to an individualized Bring condition.
  • FIGS. 1 and 2 show, as schematic sections, an exemplary embodiment of the hearing aid according to the invention in a general state (FIG. 1) and in an individualized state (FIG. 2).
  • the hearing aid in its general and in its individualized state as components serving as the hearing function, has, for example, a microphone 10, an amplifier chip 11 and a loudspeaker 12. These components are functionally connected to one another and to a battery that is still to be inserted by electrical lines (not shown).
  • the device has a front plate 15 with a battery opening 16, an opening 17 for a preliminary support element 18 and an opening 19 for the microphone 10, wherein the function of the microphone opening 19 can also be performed by a sieve-like perforated area.
  • the inner end face 20 of the device is mainly formed by the output side of the loudspeaker 12 and by the connecting means 22.
  • Figure 1 which shows the hearing aid in its general condition, also shows the provisional support element 18, which consists for example of an easily bendable metal wire or metal band and through the opening 17 of the front plate 15 in a substantially axial direction against the inner end face 20 and through an opening 23 extends in the connecting means 22.
  • a locking means 25 is provided, which prevents displacement of the support element 18 into the opening 17.
  • This locking means 25 can, for example, as shown, be a curvature or a corresponding thickening.
  • the function of the locking means can also be taken over by appropriate dimensioning and material pairing of openings 17 and 23 on the one hand and preliminary strand element 18 on the other hand, such that the static friction of the support element 18 in the openings 17 and 23 is sufficient to hold them in a defined relative position . In such a case, it is not necessary for the provisional support element to protrude over both end faces of the hearing device.
  • the provisional support element 18 can also protrude beyond the front plate 15 Have part 27, with the help of the device for individualization is inserted into the ear canal. Also on the inner end face 20 of the device the support element 18 is provided with locking means 25 which, for example, as shown from another curvature and one on this Curve attached tampon 26 exist.
  • the tampon 26 is a security element which is also known from making ear canal castings and that prevents the general hearing aid for individualization is pushed too close to the eardrum.
  • the tampon 26 is made for example from a foam or from cotton.
  • the casting template 32 has a pouring opening 33 and a vent opening 34 on.
  • the casting compound is the pouring opening 33 is injected and the displaced air escapes from the Vent opening 34.
  • the function of the casting template is not only to keep the Battery room, but also in it, not just at least part of the the hearing aid components serving the hearing function but also the battery contacts temporarily position it so that it is in the body to be cast have a defined position (see also description in context with Figures 7 and 8).
  • the provisional support element 18 and the Connection means 22 the speaker 12 in a defined to the front panel 15 Position, this position depending on the flexibility of the Support element 18 is limitedly variable. This makes the general hearing aid already roughly adaptable to the individual ear canal. It is also it can be seen that through the provisional support element 18 and in particular through its locking means 25 the axial length of the hearing aid upwards (axial Extension), but not limited towards the bottom (compression), i.e. the Front plate 15 is movable against the speaker, for example. A such movement is, as already mentioned, by the other components of the device and is limited when the body is poured through the the slight casting pressure that arises in the process is reversed.
  • Figure 2 shows the same embodiment of the hearing aid according to the invention as Figure 1, again in section parallel to its axis in its individualized state. In this state, it differs from the general state in particular by the body 40, which is cast in the casting cavity 31 (FIG. 1) inside the membrane 30, the actual casting mold being a natural auditory canal or a model of such an auditory canal, on the inner wall of which the membrane is used is pressed during casting thanks to its elasticity, so that the body 40 receives a shape that is precisely adapted to the ear canal.
  • the casting template 32 (FIG. 1) is removed from the battery opening 16 of the front plate 15 and a battery 41 is inserted in the battery space kept free by the casting template.
  • the battery opening 16 in the front plate 15 is closed by a battery cover 42.
  • the device differs in an individualized state by Absence of the provisional support element 18, in its place a vent channel 43 through the device, or through front panel 15 (opening 17), body 40 and Lanyard 22 (opening 23) leads.
  • the preliminary support member 18 will removed by the locking means on the inner or on the outer face 25 removed (e.g. curvature removed) and the support element is pulled out of the device against the other side. If the support element is sufficiently easily bendable, it can easily be made from a curved one Vent channel are pulled.
  • the membrane 30 of the hearing aid according to the invention consists, for example made of a thermoplastic elastomer, for example based on a Silicone plastic, and has a thickness of about 0.2 mm. More examples from Materials that are suitable for the membrane: stretched polytetrafluoroethylene (Goretex®) or sprayable two-component silicones.
  • Goretex® stretched polytetrafluoroethylene
  • the most important Conditions that the membrane material has to meet are sufficient Elasticity, one for safe handling of the device in its general condition sufficient, mechanical stability and sufficient Skin compatibility.
  • the membrane is advantageously also porous, that is to say permeable to air and impermeable to the casting compound, which creates a ventilation opening can be superfluous.
  • the membrane 30 advantageously extends over at least a part the peripheral surfaces of the front plate 15 and the connecting means 22 of the inner face and is around the front panel and around the lanyard (Places 45) firmly and tightly connected to them, for example by Welding, gluing or by means of appropriate form-locking means.
  • a Parallel application for this application (Swiss application no. 1861/96) deals in detail with membranes for hearing aids that pass through Casting a body to be individualized, and with means to make it more dense Attachment to a front panel and / or around speakers and temporary Support element.
  • the body 40 of the hearing aid is manufactured, for example, from a two-component addition-cross-linking silicone material.
  • any casting compound which advantageously without Gas evolution becomes solid at room temperature and advantageously a body with a Shore hardness A of 5 to 70.
  • Figures 3 and 4 show hearing aids in their general condition, which instead of an essentially stiff, preliminary support element (18, Figure 1) a flexible, length-limiting element, for example in the form of a string 18.1 ( Figure 3) and 18.2 ( Figure 2) which cannot be stretched in the longitudinal direction 4) have.
  • an essentially stiff, preliminary support element (18, Figure 1) a flexible, length-limiting element, for example in the form of a string 18.1 ( Figure 3) and 18.2 ( Figure 2) which cannot be stretched in the longitudinal direction 4) have.
  • the string 18.1 in the embodiment according to FIG. 3 runs like the provisional one Support element of Figure 1 by front panel 15 and connecting means 22 and has locking means 25. It becomes after the body is poured removed, which, as when removing the temporary support member of the Figure 1 is a vent channel.
  • a soft hose 19 can also be provided around the string 18.1 is not removed from the device and which ensures that the vent channel has a minimum distance from the surface of the device, whereby a potential weak point of the body can be prevented.
  • Such one Hose can also be used with an essentially rigid, length-limiting Element.
  • the length-limiting string 18.2 according to FIG. 4 does not run in one potential vent channel and remains in the device in its individualized Status.
  • a hose 19 is provided for the vent channel, which is in this Embodiment must be at least so stable that its lumen also under which slightly increased pressure remains open during casting.
  • FIGS. 5 and 6 show two exemplary embodiments of connecting means 22 for a hearing device according to the invention. Both connecting means serve as a seal around the loudspeaker so that the casting compound cannot escape there and have an opening for the vent channel.
  • FIG. 5 shows a sealing ring made of an elastic material, which can be used as a connecting means 22. It has a first opening 12 ', which is adapted to the shape of the loudspeaker, and a second opening 23 for the vent channel or for the length-limiting element.
  • the area with the second opening 23 of the connecting means 22 can continue in a tubular shape up to the front plate or through the front plate and surround the provisional support element over part of its length or over its entire length, similarly as is also the case for the hose 19 in FIGS Figures 3 and 4 is described.
  • the connecting means 22 are in such a way on top of each other to tune that seal by inserting the speaker is stretched so that the speaker is stretched by the elastic forces can hold.
  • the second opening 23 is to be dimensioned such that it passes through the provisional support element is sealed at least for the casting compound and that it remains open even without a support element (opening of the vent channel). If no vent channel is provided, the opening 23 can also be so be dimensioned so that they can be removed after removing the temporary support element closes.
  • the connecting means 22 of FIG. 6 consists of an elastic sealing ring 50 and a sleeve 51 which has an opening 23 and is optionally attached to the loudspeaker.
  • FIG. 7 shows the casting template 32 inserted in the battery opening 16 of the front plate 15 as a section parallel to the axis of the hearing aid (not shown completely) and perpendicular to the section of FIGS. 1 and 2. It can be seen from the figure that the casting template has stops 55 with it it can easily be brought into a defined position relative to the front panel. Furthermore, the template 32 has lateral slots in which battery contacts 56 can be positioned. When the body is cast, the ends of the contacts protruding from the slots are cast in and when the casting template is removed, the free ends of the contacts are exposed.
  • FIG. 8 shows a further exemplary embodiment of a front plate 15. This is again shown in section, the section being the same as in FIG. 7.
  • the battery compartment is formed by an indentation 60 in the front plate, which at least in its lowest part has a pouring opening 33.
  • no casting template is necessary for casting the body.
  • the battery contacts 56 are already definitely positioned in the molding.
  • FIG. 9 shows a section (section plane essentially as in FIGS. 1 and 2) of a further, exemplary embodiment of the hearing aid according to the invention, of which only parts of the front plate 15 insert the casting template 32 with the pouring opening 33 and the vent opening 34, which is positioned in the battery opening of the front plate Part of the preliminary support element 18 and a pouring hose 61 is shown.
  • the pouring hose 61 is provided so that it can be ensured that the casting cavity of the general hearing aid is poured from the inside against the outside or against the ventilation opening, whereby the formation of cavities in the body can be avoided. This is particularly important if a highly viscous casting compound is used.
  • the pouring hose 61 is not designed as a rigid tube needs, he is connected to the preliminary support member 18 such that he assumes a substantially parallel position to this.
  • the two tubes of the twin tube 62 are suitable Means connected together, for example molded together.
  • FIG. 10 shows a cross section through the twin tube 62.
  • FIG. 11 again shows a section (section plane as in FIGS. 1 and 2) of a further embodiment of a casting template 32, which is positioned in the battery opening of a front plate.
  • This casting template consists of two parts 32.1 and 32.2 and is therefore particularly suitable for the formation of a battery compartment, which is to form a backstitch behind the opening in the front panel in one way or another.
  • the battery opening shown shows a hinge axis 65 which, in a known manner, can simultaneously serve as an axis for a pivotable battery compartment cover and as a contact for programming the amplifier chip.
  • This hinge axis 65 represents a narrowing of the battery opening, so that a casting template, as shown in FIGS. 1 and 9, cannot be positioned.
  • the dividing line between the two template parts 32.1 and 32.2 advantageously runs obliquely to the plane of the battery opening and can be designed, for example, as a groove and comb. It is also possible to design the separating surface of the two parts in such a way that a tubular cavity serving as a ventilation channel is created between the two parts.
  • FIG. 12 shows the front panel area of a further exemplary embodiment of the hearing aid according to the invention.
  • the front plate 15 has an indentation 60 designed as a battery compartment.
  • the molded-in wall has two openings, a pouring tube 61 with a pouring opening 33 being inserted through one of the openings, which pouring tube 61 extends as far as the inner end face of the hearing aid, and on the other opening a venting tube 65, which advantageously consists of a transparent plastic, with one Vent opening 34 sits.
  • This ventilation hose 65 can be designed as a control instrument for monitoring the casting pressure.

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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)
  • Prostheses (AREA)
  • Headphones And Earphones (AREA)
EP97810482A 1996-07-24 1997-07-15 Prothèse auditive portable complètement dans le conduit auditif et individualisée par moulage d'un corps Withdrawn EP0821541A3 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH185996 1996-07-24
CH185996 1996-07-24
CH1859/96 1996-07-24

Publications (2)

Publication Number Publication Date
EP0821541A2 true EP0821541A2 (fr) 1998-01-28
EP0821541A3 EP0821541A3 (fr) 2004-06-02

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EP97810482A Withdrawn EP0821541A3 (fr) 1996-07-24 1997-07-15 Prothèse auditive portable complètement dans le conduit auditif et individualisée par moulage d'un corps

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US (1) US6249587B1 (fr)
EP (1) EP0821541A3 (fr)
AU (1) AU725128B2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999039548A1 (fr) * 1998-01-31 1999-08-05 Sarnoff Corporation Appareil auditif peritympanique
EP1075234A1 (fr) * 1998-04-29 2001-02-14 Sound Parts, Inc. Coques de couplage pour appareil auditif en materiau thermoplastique mou et souple
WO2004045245A1 (fr) * 2002-11-13 2004-05-27 Bernafon Ag Ensemble et procede pour produire une prothese auditive et prothese auditive produite selon ledit procede

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6728383B1 (en) * 1997-12-18 2004-04-27 Softear Technologies, L.L.C. Method of compensating for hearing loss
US6695943B2 (en) 1997-12-18 2004-02-24 Softear Technologies, L.L.C. Method of manufacturing a soft hearing aid
US20080063231A1 (en) * 1998-05-26 2008-03-13 Softear Technologies, L.L.C. Method of manufacturing a soft hearing aid
US7217335B2 (en) * 1998-05-26 2007-05-15 Softear Technologies, L.L.C. Method of manufacturing a soft hearing aid
US7130437B2 (en) * 2000-06-29 2006-10-31 Beltone Electronics Corporation Compressible hearing aid
WO2003034784A1 (fr) * 2001-10-17 2003-04-24 Oticon A/S Appareil de correction auditive ameliore
US8096383B2 (en) * 2006-03-21 2012-01-17 Siemens Hearing Instruments Inc. Tapered vent for a hearing instrument
AU2008284042B2 (en) 2007-08-03 2013-06-27 Scion NeuroStim, Inc. Vestibular stimulation apparatus and associated methods of use
EP3840420A1 (fr) 2019-12-21 2021-06-23 Oticon A/s Module électronique pour un dispositif auditif

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527901A (en) * 1967-03-28 1970-09-08 Dahlberg Electronics Hearing aid having resilient housing
US4712245A (en) * 1985-01-24 1987-12-08 Oticon Electronics A/S In-the-ear hearing aid with the outer wall formed by rupturing a two-component chamber
US4834927A (en) * 1986-05-16 1989-05-30 Siemens Aktiengesellschaft Method and apparatus for producing an ear impression
US4870688A (en) * 1986-05-27 1989-09-26 Barry Voroba Mass production auditory canal hearing aid
US4962537A (en) * 1987-09-25 1990-10-09 Siemens Aktiengesellschaft Shape adaptable in-the-ear hearing aid
US5530763A (en) * 1993-06-11 1996-06-25 Ascom Audiosys Ag Hearing aid to be worn in the ear and method for its manufacture

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527901A (en) * 1967-03-28 1970-09-08 Dahlberg Electronics Hearing aid having resilient housing
US4712245A (en) * 1985-01-24 1987-12-08 Oticon Electronics A/S In-the-ear hearing aid with the outer wall formed by rupturing a two-component chamber
US4834927A (en) * 1986-05-16 1989-05-30 Siemens Aktiengesellschaft Method and apparatus for producing an ear impression
US4870688A (en) * 1986-05-27 1989-09-26 Barry Voroba Mass production auditory canal hearing aid
US4962537A (en) * 1987-09-25 1990-10-09 Siemens Aktiengesellschaft Shape adaptable in-the-ear hearing aid
US5530763A (en) * 1993-06-11 1996-06-25 Ascom Audiosys Ag Hearing aid to be worn in the ear and method for its manufacture

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999039548A1 (fr) * 1998-01-31 1999-08-05 Sarnoff Corporation Appareil auditif peritympanique
US6205227B1 (en) 1998-01-31 2001-03-20 Sarnoff Corporation Peritympanic hearing instrument
EP1075234A1 (fr) * 1998-04-29 2001-02-14 Sound Parts, Inc. Coques de couplage pour appareil auditif en materiau thermoplastique mou et souple
EP1075234A4 (fr) * 1998-04-29 2002-03-06 Sound Parts Inc Coques de couplage pour appareil auditif en materiau thermoplastique mou et souple
WO2004045245A1 (fr) * 2002-11-13 2004-05-27 Bernafon Ag Ensemble et procede pour produire une prothese auditive et prothese auditive produite selon ledit procede
AU2003264221B2 (en) * 2002-11-13 2009-04-23 Bernafon Ag Set and method for producing a hearing aid and hearing aid produced according to this method
US7564987B2 (en) 2002-11-13 2009-07-21 Bernafon Ag Set and method for producing a hearing aid and hearing aid produced according to this method

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US6249587B1 (en) 2001-06-19
AU3011797A (en) 1998-02-05
EP0821541A3 (fr) 2004-06-02
AU725128B2 (en) 2000-10-05

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