EP2544464A1 - Structure de moule pour un dispositif auditif - Google Patents

Structure de moule pour un dispositif auditif Download PDF

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Publication number
EP2544464A1
EP2544464A1 EP20120173354 EP12173354A EP2544464A1 EP 2544464 A1 EP2544464 A1 EP 2544464A1 EP 20120173354 EP20120173354 EP 20120173354 EP 12173354 A EP12173354 A EP 12173354A EP 2544464 A1 EP2544464 A1 EP 2544464A1
Authority
EP
European Patent Office
Prior art keywords
closure element
impression
hearing device
canal
ear canal
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Withdrawn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
EP20120173354
Other languages
German (de)
English (en)
Inventor
Anton Gebert
Stefan Kexel
Frank Rosenberger
Benjamin Schmidt
Christian Dr. Weistenhöfer
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 Pte Ltd
Original Assignee
Siemens Medical Instruments Pte Ltd
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 Siemens Medical Instruments Pte Ltd filed Critical Siemens Medical Instruments Pte Ltd
Publication of EP2544464A1 publication Critical patent/EP2544464A1/fr
Withdrawn legal-status Critical Current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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/023—Completely in the canal [CIC] hearing aids
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/17—Hearing device specific tools used for storing or handling hearing devices or parts thereof, e.g. placement in the ear, replacement of cerumen barriers, repair, cleaning hearing devices

Definitions

  • the present invention relates to an impression structure which represents a model for the direct shaping of an ear device for a hearing device. Moreover, the present invention relates to a hearing device that is portable in an ear canal. Finally, the present invention relates to a method for adjusting an impression structure, which represents a model for the direct shaping of an ear device for a hearing device.
  • Hearing aids are portable hearing aids that are used to care for the hearing impaired.
  • different types of hearing aids such as behind-the-ear hearing aids (BTE), hearing aid with external receiver (RIC: receiver in the canal) and in-the-ear hearing aids (ITE), e.g. Concha hearing aids or canal hearing aids (ITE, CIC).
  • BTE behind-the-ear hearing aids
  • RIC hearing aid with external receiver
  • ITE in-the-ear hearing aids
  • ITE in-the-ear hearing aids
  • ITE in-the-ear hearing aids
  • ITE concha hearing aids or canal hearing aids
  • the hearing aids listed by way of example are worn on the outer ear or in the ear canal.
  • bone conduction hearing aids, implantable or vibrotactile hearing aids are also available on the market. The stimulation of the damaged hearing takes place either mechanically or electrically.
  • Hearing aids have in principle as essential components an input transducer, an amplifier and an output transducer.
  • the input transducer is usually a sound receiver, z. As a microphone, and / or an electromagnetic receiver, for. B. an induction coil.
  • the output transducer is usually used as an electroacoustic transducer, z. As miniature speaker, or as an electromechanical transducer, z. B. bone conduction, realized.
  • the amplifier is usually integrated in a signal processing unit. This basic structure is in FIG. 1 shown using the example of a behind-the-ear hearing aid. In a hearing aid housing 1 for carrying behind the ear are one or more microphones 2 to Built-in sound recording from the environment.
  • a signal processing unit 3 which is also integrated in the hearing aid housing 1, processes the microphone signals and amplifies them.
  • the output signal of the signal processing unit 3 is transmitted to a loudspeaker or earpiece 4, which outputs an acoustic signal.
  • the sound is optionally transmitted via a sound tube, which is fixed with an earmold in the ear canal, to the eardrum of the device carrier.
  • the power supply of the hearing device and in particular the signal processing unit 3 is effected by a likewise integrated into the hearing aid housing 1 battery. 5
  • Canal hearing aids are usually positioned within the ear canal. If these hearing aids are not ideally matched to the ear canal in their fit, this can lead to an unwanted occlusion signal.
  • the hearing device or parts of the hearing device with a sound output function is positioned as low as possible within the auditory canal.
  • the hearing device or the corresponding parts of the hearing device must be particularly precisely adapted to the auditory canal of the hearing impaired.
  • an impression structure of the auditory canal is usually provided, which is detected with a 3D scanner. On the basis of the data recorded with the scanner, corresponding form-fitting pieces, so-called earmolds, can be produced.
  • a corresponding piece of cotton wool or foam is first introduced into the bony part of the external auditory canal.
  • the introduced material prevents the impression material from coming into contact with the eardrum or injuring the eardrum.
  • a corresponding impression compound for example a corresponding silicone material, is introduced into the auditory canal in the liquid state and cured.
  • the US 6,339,648 B1 describes a device that can be inserted into the ear canal. This device is covered with a corresponding sheath. In this case, a corresponding impression compound can be introduced into the intermediate space between the device and the shell, and thus an exact impression structure of the auditory canal can be produced.
  • the object of the present invention is to provide an impression structure for a hearing device by means of which a precise fit of the hearing device can be achieved in a particularly simple and efficient manner.
  • an impression structure which is a model for the direct shaping of an ear mold for a hearing device, with a closure element that can be positioned in the auditory canal and that inserted into the auditory canal Condition having an output of the ear canal facing side, and an impression material, which, when introduced into the ear canal, connects to the output of the ear canal facing side of the closure element and at least partially fills the ear canal, wherein the impression compound and the closure element to each other the model are connected, and the closure element is a part of the hearing device.
  • the impression structure is formed by first inserting a corresponding closure element into the auditory canal.
  • This closure element is preferably positioned in the bony part of the auditory canal, in particular behind the second bend of the auditory canal.
  • a closure element is used, which is later used as part of the hearing.
  • This closure element may be a corresponding ear piece or a so-called "dome", which serves to hold a hearing device component.
  • this closure element for holding a Serve sound tube, which is coupled to a speaker of the hearing.
  • a corresponding impression compound for example an addition-crosslinking silicone rubber, is introduced into the auditory canal.
  • the impression material is usually introduced in the liquid state into the ear canal.
  • the closure element is removed together with the impression material from the ear canal.
  • the cured impression compound is usually detected together with the closure element with a corresponding scanner, which records data of the three-dimensional shaping of the impression compound and the closure element. Based on the acquired data, a corresponding earmold for the hearing device is manufactured. This earmold is especially made for the components of the hearing device that are worn directly in the ear canal.
  • an impression structure extending deeper into the auditory canal can be created, since the closure element is part of the impression structure.
  • the closure element has a fastening element, on which a coupling element for connecting the closure element to the impression compound is arranged.
  • the closure element usually has a corresponding fastening element on which a coupling element can be attached.
  • This coupling element can be connected, for example by a corresponding plug or snap connection with the fastener.
  • the coupling element may for example be formed as a corresponding sleeve or pin, which is made in particular of a plastic.
  • This coupling element makes it easier for the hearing device acoustician or the physician to position the closure element within the auditory canal.
  • the position and orientation of the closure element in the ear canal can be determined exactly.
  • the impression compound After the introduction and curing of the impression material, the impression compound also surrounds the coupling element, which is connected to the closure element, and thus increases the mechanical strength of the connection between the impression compound and closure element.
  • the closure element is preferably made of a plastic foam, in particular a polyurethane foam.
  • a plastic foam in particular a polyurethane foam.
  • this plastic foam is designed so that it can be optically detected by a corresponding three-dimensional scanner.
  • a corresponding closure element with such a plastic foam can be produced in a particularly simple and cost-effective manner.
  • a corresponding recess can be provided in the plastic foam in a particularly simple manner in which a corresponding component of the hearing device, for example a sound tube, is positioned or fastened.
  • the invention provides a hearing device which is portable in an auditory canal, with an otoplastic whose shape is formed at least partially corresponding to the impression structure, wherein the otoplastic is connected to the closure element.
  • a corresponding ear mold is produced at least in regions corresponding to the outer dimensions and dimensions of the impression structure.
  • the earmold is usually made of a corresponding plastic. This earmold is connected to the closure element which was previously used in the production of the impression structure. In this way, a particularly exact fit accuracy of the hearing device can be achieved to the ear canal, since in the manufacture of the ear mold the shape of the impression material is taken into account together with the closure element.
  • the earmold and the closure element are connected to a connecting element, which is pivotably coupled to a fastening element of the closure element.
  • the closure element preferably has a corresponding fastening element on which a corresponding coupling element can be arranged during the production of the impression structure.
  • a corresponding connecting element of the hearing device can be coupled to this fastening element.
  • a mechanical connection between the hearing device and the closure element can be achieved in a particularly simple and effective manner.
  • the connection between the fastening element and the connecting element is pivotally mounted.
  • the hearing device can be introduced with the closure element particularly accurately in the ear canal. In this way, a sufficient comfort for the user can be guaranteed.
  • the connecting element for transmitting sound is formed between the earmold and the closure element.
  • the connecting element can be designed, for example, as a corresponding sound tube which transmits acoustic signals from a corresponding loudspeaker which is arranged in the otoplastic or in the housing.
  • the connecting element or a corresponding sound tube is in this case in the closure element, for example, in a corresponding recess attached.
  • the closure element has a passage opening which extends from an end face of the closure element facing away from the otoplastic to the connection element.
  • the connecting element is designed as a sound tube
  • the closure element has a corresponding through hole through which the acoustic signals can be transmitted to the eardrum. It is also conceivable that through the passage opening of the closure element corresponding signals directly from a speaker to the eardrum.
  • a method for producing an impression structure which represents a model for the direct shaping of an ear device for a hearing device, is provided by positioning a closure element in the auditory canal, wherein the closure element has a side facing an exit of the auditory canal in the state inserted in the auditory canal , Introducing an impression material into the auditory canal, so that the impression compound adjoins the side of the closure element facing the exit of the ear canal and at least partially fills the auditory canal, and removing the impression compound and the closure element from the auditory canal, the impression material and the closure element being joined to one another Model are connected, and the closure element is part of the hearing.
  • FIG. 2 shows a schematic, sectional view of an impression structure 10, which is arranged in an ear canal 12.
  • This impression structure 10 comprises a closure element 14 which is positioned in the ear canal 12.
  • the closure element 14 is preferably arranged in the bony part of the auditory canal 12, in particular behind the second bend of the auditory canal 12.
  • the closure element 14 comprises a fastening element 16 on which a coupling element 18 is arranged.
  • the coupling element 18 is detachably connected, for example via a corresponding plug or snap connection with the fastening element 16.
  • This coupling element 18 makes it easier for the hearing device acoustician or the physician to position the closure element 14 in the auditory canal 12.
  • the closure element can be particularly precisely positioned and aligned in the auditory canal with the aid of the coupling element 18.
  • a corresponding impression compound 20 is introduced into the ear canal 12.
  • the impression compound 20 is, for example, a corresponding addition-curing silicone rubber which is introduced in the liquid state and cures after a short time at room temperature.
  • the impression compound 20 is arranged in the auditory canal 12 such that it adjoins a side 22 of the closure element 14 facing the outlet of the auditory canal 12.
  • the hardened impression material 20 of the ear canal 12 is at least partially filled, so that an exact shaping of the ear canal 12 is simulated by the cured impression material 20.
  • the impression compound 20 and the closure element 14 together form a model for an immediate shaping of an otoplastic 24 of a hearing device 26.
  • a hearing device 26 is, for example, in FIG FIG. 3 shown.
  • the impression compound 20 is optically detected together with the closure element 14 with a three-dimensional scanner.
  • a corresponding earmold 24 for a hearing device 26 can be produced.
  • the closure element 14 can be released from the coupling element 18.
  • the closure element 14 represents a part of the hearing device 26.
  • the closure element 14 represents a corresponding ear piece or a so-called "dome", which can serve, for example, for holding corresponding components of the hearing device 26.
  • a corresponding sound tube can be held by means of the closure element 14.
  • the closure element 14 is preferably made of a plastic foam, in particular a polyurethane foam. This material is particularly elastic and can thus be arranged particularly accurately in the ear canal 12.
  • the closure element 14 is used on the one hand for producing a corresponding impression structure 10 and at the same time serves as part of the hearing device 26.
  • FIG. 3 shows a hearing device 26, wherein the closure element 14 and a corresponding earmold 24 are positioned in the ear canal 12.
  • the earmold 24 is usually made of a plastic and may form a housing of the hearing device 26.
  • the earmold 24 is connected to a corresponding connecting element 28 with the fastening element 16 of the closure element 14.
  • the earmold 24 is pivotally connected via the fastening element 16 with the closure element 14.
  • the connecting element 28 can be designed, for example, as a corresponding sound tube, with which acoustic signals are transmitted between the otoplastic 24 and the closure element 14.
  • the closure element 14 has a corresponding Opening 30, by means of which acoustic signals or sound from the connecting element 28 can be transmitted to an eardrum, not shown here.

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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)
  • Headphones And Earphones (AREA)
EP20120173354 2011-07-05 2012-06-25 Structure de moule pour un dispositif auditif Withdrawn EP2544464A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011078675.9A DE102011078675B4 (de) 2011-07-05 2011-07-05 Abformstruktur für eine Hörvorrichtung

Publications (1)

Publication Number Publication Date
EP2544464A1 true EP2544464A1 (fr) 2013-01-09

Family

ID=46507855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20120173354 Withdrawn EP2544464A1 (fr) 2011-07-05 2012-06-25 Structure de moule pour un dispositif auditif

Country Status (4)

Country Link
US (1) US20130010993A1 (fr)
EP (1) EP2544464A1 (fr)
CN (1) CN102868963A (fr)
DE (1) DE102011078675B4 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011041899A1 (fr) * 2009-10-05 2011-04-14 Sonomax Technologies Inc. Dispositif et système de distribution de composé durcissable pour dispositif intra-auriculaire gonflable
WO2015131945A1 (fr) * 2014-03-06 2015-09-11 Sonova Ag Joint d'isolation acoustique thermoformé
US10034105B2 (en) * 2016-01-04 2018-07-24 Starkey Laboratories, Inc. Article with internal light source for fitting in-situ and related devices and methods

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0245741A1 (fr) * 1986-05-16 1987-11-19 Siemens Aktiengesellschaft Méthode et dispositif de fabrication d'une impression d'oreille et transformation de cette impression d'oreille en un embout d'oreille
EP0821542A2 (fr) * 1996-07-24 1998-01-28 Bernafon AG Prothèse auditive portable complètement dans le conduit auditif et individualisée par moulage d'un corps
US6339648B1 (en) 1999-03-26 2002-01-15 Sonomax (Sft) Inc In-ear system
EP2152025A1 (fr) * 2008-08-04 2010-02-10 Siemens Medical Instruments Pte. Ltd. Pièce d'ajustage auditif pour un appareil auditif

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3715082A1 (de) * 1987-05-06 1988-11-17 Siemens Ag Verfahren und vorrichtung zur herstellung einer otoplastik
JP2960544B2 (ja) * 1990-08-20 1999-10-06 コマンディト セルスキャブ ヒンプ 補聴器及びその製造方法
US5440082A (en) * 1991-09-19 1995-08-08 U.S. Philips Corporation Method of manufacturing an in-the-ear hearing aid, auxiliary tool for use in the method, and ear mould and hearing aid manufactured in accordance with the method
US5455994A (en) * 1992-11-17 1995-10-10 U.S. Philips Corporation Method of manufacturing an in-the-ear hearing aid
US6205227B1 (en) * 1998-01-31 2001-03-20 Sarnoff Corporation Peritympanic hearing instrument
US6940988B1 (en) * 1998-11-25 2005-09-06 Insound Medical, Inc. Semi-permanent canal hearing device
ES2378060T3 (es) * 2001-03-02 2012-04-04 3Shape A/S Procedimiento para modelar piezas auriculares personalizadas
DE102006004033C5 (de) * 2006-01-27 2013-04-18 Siemens Audiologische Technik Gmbh Otoplastik mit Schallschlauchbefestigungselement
US7467022B2 (en) * 2006-04-06 2008-12-16 Siemens Aktiengesellschaft Method for fabricating a hearing aid shell and mold incorporating test fitting by the user

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0245741A1 (fr) * 1986-05-16 1987-11-19 Siemens Aktiengesellschaft Méthode et dispositif de fabrication d'une impression d'oreille et transformation de cette impression d'oreille en un embout d'oreille
EP0821542A2 (fr) * 1996-07-24 1998-01-28 Bernafon AG Prothèse auditive portable complètement dans le conduit auditif et individualisée par moulage d'un corps
US6339648B1 (en) 1999-03-26 2002-01-15 Sonomax (Sft) Inc In-ear system
EP2152025A1 (fr) * 2008-08-04 2010-02-10 Siemens Medical Instruments Pte. Ltd. Pièce d'ajustage auditif pour un appareil auditif

Also Published As

Publication number Publication date
CN102868963A (zh) 2013-01-09
DE102011078675A1 (de) 2013-01-10
DE102011078675B4 (de) 2014-01-02
US20130010993A1 (en) 2013-01-10

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