EP0206213B1 - Appareil auditif - Google Patents

Appareil auditif Download PDF

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Publication number
EP0206213B1
EP0206213B1 EP86108215A EP86108215A EP0206213B1 EP 0206213 B1 EP0206213 B1 EP 0206213B1 EP 86108215 A EP86108215 A EP 86108215A EP 86108215 A EP86108215 A EP 86108215A EP 0206213 B1 EP0206213 B1 EP 0206213B1
Authority
EP
European Patent Office
Prior art keywords
housing
hearing aid
otoplastic
ear
aid according
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
EP86108215A
Other languages
German (de)
English (en)
Other versions
EP0206213A1 (fr
Inventor
Christof Härtl
Ulrich Birkholz
Peter Nassler
Hans-Joachim Weiss
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.)
Sivantos GmbH
Original Assignee
Siemens AG
Siemens Audioligische Technik GmbH
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
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Application filed by Siemens AG, Siemens Audioligische Technik GmbH filed Critical Siemens AG
Priority to AT86108215T priority Critical patent/ATE56848T1/de
Publication of EP0206213A1 publication Critical patent/EP0206213A1/fr
Application granted granted Critical
Publication of EP0206213B1 publication Critical patent/EP0206213B1/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; 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/025—In the ear hearing aids [ITE] hearing aids
    • 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
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • 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
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/603—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of mechanical or electronic switches or control elements
    • 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

Definitions

  • the invention relates to a tn-the-ear hearing aid, consisting of a housing which has a sound entry opening and a sound output and hearing device parts, such as a microphone, electronic amplifier components, components for signal treatment and signal delivery, which receives a sound conductor leading from a listener to the eardrum has and which is releasably connected to an earmold which can be inserted into the ear canal, to the end of which the formwork line is directed towards the eardrum and is provided with an opening, the earmold tapering down to the smallest diameter at its end facing the eardrum being a cavity which penetrates it having.
  • a hearing aid of this type is disclosed in CH-A-648 172.
  • the state of the art includes a hearing aid device with a housing which is removably embedded in an otoplastic and in which the hearing device components, such as microphone, amplifier, receiver, etc., are located.
  • This device is worn in the concha and only one attachment of the otoplastic leads a formwork lead into the ear canal.
  • the title of the document "Hearing aid to be worn in the ear” requires clarification that the known device with its housing and the otoplastic molded onto the concha is carried in the concha, so that the handicap of the hearing aid wearer is immediately recognizable.
  • the known hearing device In the known hearing device according to GB-A-11 17 245, only the listener sits in the ear canal, while the actual hearing aid device is worn conspicuously on the ear outside the ear canal.
  • the device only has a cover cap for sound outlet openings on a pot-shaped housing part, a cap-like element neither forming a fastening means nor having sound bores. There is no otoplastic to hold the hearing aid housing.
  • GB-A-11 73 657 also relates to a concha hearing aid, i.e. the housing of this known hearing aid is not arranged in the ear canal, but is worn in the concha.
  • a concha hearing aid i.e. the housing of this known hearing aid is not arranged in the ear canal, but is worn in the concha.
  • an earmold is plugged into the sound outlet of the housing.
  • the earmold is always worn together with the hearing aid.
  • DE-A-29 49 992 describes a hearing aid which is built into an otoplastic via an intermediate housing - manufactured as a metal ring.
  • the teaching of this document is that the hearing device components arranged protected in a metal intermediate housing are cast together with the intermediate housing in the otoplastic.
  • the invention has set itself the task of achieving a particularly space-saving structure of the housing in a hearing device of the type mentioned.
  • This object is achieved by the features characterized in claim 1.
  • Advantageous further developments and refinements of the invention are characterized in claims 2 to 14.
  • an in-the-ear hearing aid that can be largely inserted into the ear canal is created, the housing of which tapers towards the sound outlet opening, can be inserted into a corresponding cavity of the earmold and in the area of the small diameter facing the eardrum that is Housing attached to the earmold by a releasable lock. This creates a structure that makes it possible to almost completely insert the housing containing the hearing aid components into the otoplastic.
  • the invention is based on a housing of the parts of the hearing aid, which fits into a cavity in the otoplastic.
  • the housing and the cavity are given diameters which become smaller towards the exit of the sound conductor, so that the shape of a funnel results. This makes it possible to lock the housing in the earmold in the area of the smaller diameters.
  • the advantages that result from the use of a two-part housing can be used, and on the other hand, no significant additional space is required for holding the device in the earmold.
  • the hearing aid device housed in a housing can be moved as standard be made and get the smallest possible dimensions. It is possible to use molded parts of minimal wall thickness for its housing because the wall is reinforced by inserting it into the earmold. In particular, if you give this device a cross-section that is rounded in a kidney shape, the adaptability to the cross-sections of auditory channels that occur is also facilitated.
  • the installation of the device in the otoplastic can be promoted if the housing of the hearing aid is made up of two parts and all parts except the receiver are accommodated in one part and the receiver in a second part.
  • the connection between the two parts of the housing can be rigid, because the shape is already favorable for installation.
  • the connection of the housing of the receiver to the part of the housing which contains the other components of the hearing aid can also be made movable. As a rule, it can be sufficient to arrange the receiver to be rotatable about its longitudinal axis by approximately 30 °, because then all positions and shapes that can be taken up by the ear canal can be adjusted.
  • the locking of the housing, which contains the elements of the hearing aid, with the otoplastic or the intermediate housing can be achieved by appropriately shaping the surfaces that come to lie against one another, for example by providing undercutting elements that come into engagement with one another when they are joined together. Such elements can have a particularly favorable effect if they are attached at points where they are accessible for later removal, so that the connection can be released without destroying the housing.
  • the arrangement of the undercuts is advantageous, for example, in the areas in which the housings have a small diameter. There you only have thin walls when you later make the device, which are flexible and therefore cheap for snap locks. With an intermediate housing, very little, if any, parts of an otoplastic need to be attached.
  • the housing of the components of the hearing aid can be provided on the outside with a thread at its thinnest end, which protrudes at the end when it is joined together with the otoplastic or the intermediate housing.
  • the bracket can then be achieved by screwing an annular nut.
  • a bead can also be provided, onto which a ring is held which holds the two parts together.
  • a kind of snap lock can also be achieved by undercuts.
  • the end edge of the intermediate housing can be provided with a reinforcement.
  • a ring can be used as such.
  • Such a holder can be released if the wall of the housing of the components is flexible at the point at which a latching step lies, for example by only having a thin wall thickness. This then allows the retaining step to be pressed in so far that the adjacent locking edge can be pushed over it.
  • the materials used for the manufacture of hearing aids such as, for example, have proven themselves as materials for the housing, the earmold and the intermediate housing.
  • Favorable wall thicknesses of the housings are 0.2 to 0.5 mm.
  • a ring inserted to reinforce a locking edge can consist of a mechanically resistant plastic, such as polymethyl methacrylate.
  • the otoplastic which results in an adaptation to the ear canal and thereby an improved holder when using the device, can be produced in a manner known per se in the manufacture of ear molds. For this purpose, an impression, such as a plaster cast, is first made from the ear canal, and a cast of the cavity, which leaves the cavity for the use of the hearing aid, is made thereafter.
  • the intermediate housing is e.g. inserted into the mold made from the impression and then the space between it and the mold filled with plastic material. After curing, a suitable otoplastic is obtained.
  • an appropriately shaped stamp can be inserted into the mold to create the cavity in the otoplastic and removed again after the plastic material has hardened.
  • An arrangement according to the invention also has the advantage that a finished hearing aid is already available before an otoplastic is manufactured.
  • a part can be attached to the sound outlet opening of the housing, which corresponds, for example, to the end section of the intermediate housing, which makes locking possible.
  • the end of this part which serves as an adapter, can then be provided with an attachment onto which a so-called adapter olive is attached, which makes it possible to attach the device to the ear to be supplied.
  • This test adapter can by using different fitting olives for different forms of listening channels.
  • the screw-on part and, in the case of a bead, the ring to be pulled on can be designed in an analogous manner as an adapter.
  • a duct to the outside air for venting the air space enclosed between the device and the eardrum when using the device.
  • a bulge can be provided in the intermediate housing according to the invention.
  • the cross-section on the front panel can be saved by connecting this panel to the housing with an internal snap lock.
  • This can be arranged so that it can be loosened by means of a tool, for example a screwdriver, which is inserted through an opening in the housing, for example the opening for introducing the battery. Marks that are visible on the outside, which are unavoidable due to the use of the tool on the plastic, can be brought to an invisible point on the housing.
  • FIG 1 denotes a hearing aid in which the components, i.e. a microphone 2, an amplifier 3, a battery 4 and a receiver 5, are housed in a housing 15.
  • the housing 15 is closed at the point of its largest diameter with a cover 6, which consists of polyamide, which is reinforced with glass fibers.
  • the cover 6 carries a volume control 7, a tone control 8 and a holder 10 for the battery 4, which can be pivoted about an axis 9 attached in the cover 6.
  • the cover there is also an opening 11 for speaking into the microphone 2.
  • the parts 13 of the amplifier Inside the housing are attached to a flexible support 12, the parts 13 of the amplifier.
  • the receiver 5 is connected to the amplifier.
  • the cover 6 is connected to the housing 15 via hooks 16, which engage behind lugs 17 of the housing 15.
  • the device 1 is inserted with its housing 15 into an intermediate housing 20, on the outer wall of which an otoplastic 21 is attached.
  • the receiver 5 At its end facing away from the amplifier 3, the receiver 5 has a sound outlet connection 22 which, like the receiver 5 itself, is supported with respect to the housing 15 by a padding 23.
  • a thread 24 On the outside of the part of the housing 15, which lies in the area of the connector 22, a thread 24 is attached, onto which a threaded ring 25 is screwed, which has a bottom 26, in which openings 27 are made.
  • An adapter as shown in FIG. 5 can be used to test the device 1 on a hearing impaired person.
  • This consists of a screw ring 25.1, which can be screwed onto the thread 24 and which has an attachment olive 30 at its free end, to which an adapter olive 31 can be attached in the direction of arrow 33 (ear tip), which consists of a flexible material and one has laterally projecting sealing bead 32, with which the ear canal can be locked to the outside.
  • FIG. 4 the arrangement of a ventilation channel 40 is shown in section along the line 111-111 according to FIG. 2, which is also shown in dashed lines in FIG leads the end of the intermediate housing 20, which have the large cross section at the opposite the end of this case.
  • This channel 40 is designed in the form of a bulge 42 of the intermediate housing 20, so that the channel remains open at 40 when the material of the earmold 21 is attached.
  • a bulge 42.1 can also be provided on the other side, which then leads to a further ventilation duct 40.1 or through which the duct 40 is replaced.
  • the housing 15.6 is held in the intermediate housing 20.6 by means of lateral projections, of which those designated as 60 and 61 are visible in the figure, i.e. when inserting the housing 15.6 into the intermediate housing 20.6, the lugs 60 and 61 slide past the annular thickening 62 of the intermediate housing 20 and snap outwards as soon as they have reached the outer end of the thickening 62, so that the device 1.6 falls out due to its gradation is prevented from the intermediate housing 20.6.
  • the lugs 60 and 61 can be brought below the level of the thickening 62 and the connection of the housing 15.6 to the intermediate housing 20.6 can be released again.
  • the exit opening of the sound is closed with a cap 63, which has openings 64 for the passage of the sound and the side walls 65 of which are drawn inwards towards the open side of the cap 63, so that they are behind a bead 66 which forms the end of the housing 15.6 forms at the sound output, grab and hold the cap 63.
  • FIG. 7 for the device 1.7, which is located in a housing 15.7, the receiver 5.7 being accommodated in a separate housing 70 which is fastened to the housing 15 via a holder 71 which can be pivoted laterally by 5 °.
  • This holder can also be rotated laterally by 300 ° about the longitudinal axis of the receiver 5.1, a stop 72 being provided in order to prevent the connections 73 from being overtightened and thus torn off.
  • the thickening which is denoted by 62 in FIG.
  • FIG. 8 is simplified compared to that according to FIG. 7 in that the receiver in its housing 70.8 is held on housing 15.8 only rotatable about its axis 80 by 30 ° on each side.
  • a stop 72.8 limits the lateral rotation to avoid difficulties with regard to the connections. Otherwise, the embodiment corresponds to that according to FIG. 7.
  • FIG. 9 shows an adapter which corresponds to that shown in FIG. 5.
  • the main difference is that it is attached to the housing of the hearing aid using a snap mechanism.
  • the lugs 61.9 and 62.9 are used, which engage behind the annular part 92 when the connector 90 is pushed in the direction of the arrow 91 and enter the openings 93 and 94, so that the lug is fastened to the housing 15.9 and the adapter olive 31.9 with the sealing bead 32.9 in the direction of arrow 95 can be attached to the attachment olive 30.9.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Manufacturing & Machinery (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Headphones And Earphones (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Adornments (AREA)
  • Finger-Pressure Massage (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Claims (14)

1. Appareil de correction auditive du type à introduction dans l'oreille, constitué par un boîtier (15), qui possède une ouverture (11) d'entrée du son et une sortie pour le son, et des parties telles qu'un microphone (2), des modules amplificateurs électroniques (3, 13), des composants pour le traitement des signaux et la délivrance des signaux, et qui comporte un conduit acoustique (22) s'étendant d'un écouteur (5) jusqu'au tympan, et est relié de façon amovible à un dispositif auriculaire plastique (21) pouvant être inséré dans le conduit auditif, et dans lequel le conduit acoustique aboutit à l'extrémité du dispositif auriculaire plastique, tournée vers le conduit auditif et comportant une ouverture, et dans lequel le dispositif auriculaire plastique, qui se rétrécit jusqu'à présenter un diamètre extrêmement faible au niveau de son extrémité tournée vers le conduit auditif, possède une cavité qui le traverse, caractérisé par le fait que la forme du boîtier (15) est adaptée à la forme de la cavité du dispositif auriculaire plastique (21) également à l'intérieur du conduit auditif, que le boîtier (15) peut être inséré dans la cavité du dispositif auriculaire plastique (22) et que le boîtier peut être fixé sur le dispositif auriculaire plastique au niveau de son extrémité tournée vers le conduit auditif, à l'aide d'un dispositif de verrouillage amovible (24, 25; 60-62).
2. Appareil de correction auditive suivant la revendication 1, caractérisé par le fait que le dispositif de verrouillage est un dispositif de fermeture à encliquetage brusque, qui comporte de préférence une multiplicité de parties saillantes (60, 61), qui sont situées sur le pourtour extérieur du boîtier (15) des parties de l'appareil de correction auditive et agissent en tant que parties étagées d'encliquetage, sur lesquels s'encliquettent des bords d'encliquetage (62) lors de l'insertion du boîtier dans le dispositif auriculaire plastique (21).
3. Appareil de correction auditive suivant la revendication 1, caractérisé par le fait que le dispositif de verrouillage est situé à l'extrémité du boîtier (15, 70) des parties de l'appareil de correction auditive et constitue une partie en dépouille par rapport à l'étendue longitudinale du boîtier et sur laquelle est emmanché un anneau (74).
4. Appareil de correction auditive suivant la revendication 1, caractérisé par le fait que le dispositif de verrouillage est un dispositif de fermeture vissable (24, 25), dans lequel l'extrémité mince du boîtier (15) des parties de l'appareil de correction auditive est munie d'un filetage (24), sur lequel est vissé un écrou (25), après l'insertion du boîtier (15) dans le dispositif auriculaire plastique (21).
5. Appareil de correction auditive suivant la revendication 3, caractérisé par le fait que le dispositif auriculaire plastique (21.7) comporte, au voisinage de l'ouverture mince de la cavité, un anneau (74) renforçant le bord d'encliquetage.
6. Appareil de correction auditive suivant les revendications 3 ou 4, caractérisé par le fait que l'anneau emmanché (74) et l'écrou (25) sont complétés pour former un capuchon (63) qui recouvre l'extrémité du boîtier (15) des parties de l'appareil de correction auditive et par conséquent la sortie (22) prévue pour le son et comportent, pour la sortie du son, une ouverture en forme de filtre (64).
7. Appareil de correction auditive suivant la revendication 1, caractérisé par le fait que la plaque de fermeture, qui est située sur l'extrémité du boîtier (15) des parties de l'appareil de correction auditive et possède un grand diamètre, est agencée sous la forme d'un couvercle (6), qui est fixé par l'intermédiaire d'un dispositif de verrouillage à encliquetage brusque (16, 17).
8. Appareil de correction auditive suivant la revendication 7, caractérisé par le fait que le bord intérieur de raccordement du couvercle est accessible au moyen d'un outil d'ouverture, à partir d'une ouverture ménagée dans le boîtier, par exemple l'ouverture servant à introduire la pile.
9. Appareil de correction auditive suivant la revendication 1, caractérisé par le fait que le boîtier (15) logeant les parties de l'appareil de correction auditive est réalisé en deux éléments, l'élément le plus mince (70) du boîtier, qui est tourné vers le conduit auditif, contenant l'écouteur (5.7) et étant relié d'une manière bloquée en rotation et du point de vue pivotement, à l'autre élément extérieur (15.7) du boîtier, qui contient les autres parties de l'appareil de correction auditive.
10. Appareil de correction auditive suivant la revendication 1, caractérisé par le fait que la cavité est située dans le dispositif auriculaire plastique (21) à l'intérieur d'un boîtier intermédiaire (20), dont la paroi extérieure est recouverte par le matériau du dispositif auriculaire plastique.
11. Appareil de correction auditive suivant la revendication 10 et l'une des revendications 2 à 5, caractérisé par le fait que les éléments de verrouillage du dispositif auriculaire plastique, notamment le bord d'encliquetage, sont transférés sur le boîtier intermédiaire.
12. Appareil de correction auditive suivant la revendication 10, caractérisé par le fait que dans le boîtier intermédiaire (20) est prévu au moins un évidement (42), qui, lors de l'assemblage avec le boîtier (15) logeant les parties de l'appareil de correction auditive, libère un canal (40), qui s'étend depuis l'extrémité tournée vers le conduit auditif et possédant un faible diamètre jusqu'à l'extrémité possédant le grand diamètre.
13. Appareil de correction auditive suivant la revendication 1, caractérisé par le fait que le boîtier (15) logeant les parties de l'appareil de correction auditive possède au moins au niveau de sa zone de grand diamètre, une section transversale ayant la forme d'un cercle enfoncé d'un côté (en forme de rein).
14. Appareil de correction auditive selon l'une des revendications 2 à 4, caractérisé par le fait que l'élément devant être monté sur les parties saillantes (17) ou le filetage (24) est agencé sous la forme d'un adaptateur pour un insert auriculaire provisoire (olive d'adaptation) (30, 31).
EP86108215A 1985-06-27 1986-06-16 Appareil auditif Expired - Lifetime EP0206213B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86108215T ATE56848T1 (de) 1985-06-27 1986-06-16 Hoerhilfe.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8518681U 1985-06-27
DE8518681U DE8518681U1 (de) 1985-06-27 1985-06-27 Hörhilfe

Publications (2)

Publication Number Publication Date
EP0206213A1 EP0206213A1 (fr) 1986-12-30
EP0206213B1 true EP0206213B1 (fr) 1990-09-19

Family

ID=6782585

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86108215A Expired - Lifetime EP0206213B1 (fr) 1985-06-27 1986-06-16 Appareil auditif

Country Status (7)

Country Link
US (1) US4739512A (fr)
EP (1) EP0206213B1 (fr)
JP (1) JPS622800A (fr)
AT (1) ATE56848T1 (fr)
CA (1) CA1258434A (fr)
DE (2) DE8518681U1 (fr)
DK (1) DK174395B1 (fr)

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DE3540579A1 (de) * 1985-11-15 1987-05-27 Toepholm & Westermann Im-ohr-hoergeraet
DE3542616A1 (de) * 1985-12-03 1987-06-04 Toepholm & Westermann Verfahren zum herstellen einer individuellen ohrmulde
DE8613335U1 (de) * 1986-05-16 1987-10-29 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur Herstellung einer Otoplastik
DE3616637A1 (de) * 1986-05-16 1987-11-19 Siemens Ag Vorrichtung zum aufschrauben eines deckels auf einen schraubstutzen eines hoergeraetes
DE3616648A1 (de) * 1986-05-16 1987-11-19 Siemens Ag In-dem-ohr-hoergeraet
DE8613336U1 (de) * 1986-05-16 1987-10-29 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur Herstellung eines Ohrabdrucks zur nachfolgenden Herstellung einer Otoplastik
DE8706057U1 (de) * 1987-04-27 1988-08-25 Siemens AG, 1000 Berlin und 8000 München Hinter-dem-Ohr-Hörgerät
US4817609A (en) * 1987-09-11 1989-04-04 Resound Corporation Method for treating hearing deficiencies
DE8712957U1 (de) * 1987-09-25 1989-01-19 Siemens AG, 1000 Berlin und 8000 München In-dem-Ohr-Hörgerät
DE8713369U1 (de) * 1987-10-05 1989-02-09 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zum Verschließen von Öffnungen an Hörgeräten oder Ohrpaßstücken für Hörgeräte
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CA1258434A (fr) 1989-08-15
US4739512A (en) 1988-04-19
ATE56848T1 (de) 1990-10-15
DK298186A (da) 1986-12-28
DE8518681U1 (de) 1986-06-12
JPH0530360B2 (fr) 1993-05-07
DK174395B1 (da) 2003-01-27
JPS622800A (ja) 1987-01-08
DK298186D0 (da) 1986-06-25
EP0206213A1 (fr) 1986-12-30
DE3674260D1 (de) 1990-10-25

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