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EP1287721B2 - Procede permettant de produire une prothese auditive situee dans l'oreille - Google Patents

Procede permettant de produire une prothese auditive situee dans l'oreille Download PDF

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Publication number
EP1287721B2
EP1287721B2 EP00929195A EP00929195A EP1287721B2 EP 1287721 B2 EP1287721 B2 EP 1287721B2 EP 00929195 A EP00929195 A EP 00929195A EP 00929195 A EP00929195 A EP 00929195A EP 1287721 B2 EP1287721 B2 EP 1287721B2
Authority
EP
European Patent Office
Prior art keywords
housing
hearing aid
membrane
support plate
acoustic
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
EP00929195A
Other languages
German (de)
English (en)
Other versions
EP1287721A2 (fr
EP1287721B1 (fr
Inventor
Andi Vonlanthen
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.)
Sonova Holding AG
Original Assignee
Phonak 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4358084&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1287721(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Phonak AG filed Critical Phonak AG
Publication of EP1287721A2 publication Critical patent/EP1287721A2/fr
Publication of EP1287721B1 publication Critical patent/EP1287721B1/fr
Application granted granted Critical
Publication of EP1287721B2 publication Critical patent/EP1287721B2/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
    • 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
    • H04R25/654—Ear wax retarders

Definitions

  • the present invention relates to a method for producing an in-ear hearing aid according to claim 1.
  • the problem of contamination in particular of the eardrum facing acoustic output of the device is known.
  • This contamination leads to impairment of the hearing aid effect and makes it necessary to periodically clean the hearing aid.
  • the acoustic output of the electrical / acoustic transducer assembly on the in-ear hearing aid is separated from the device environment by means of a membrane which is mounted free-floating.
  • the free-swinging part of the membrane is made of a single material, is rubber-elastic.
  • the membrane has constant thickness at least on the said part.
  • the structural design of the hearing aid is increased by providing the aforementioned membrane only inappropriately.
  • the membrane material used can be highly cost effective and can be manufactured with uniform, small thickness, can be resistant and harmless to the behavior in contact with living tissue.
  • the mentioned membrane is mounted in the immediate area of the device output, which cleans problematic indentations and indentations on the device are at least in the region of its akaustician output fixed. Furthermore, while the acoustic output of the transducer assembly is connected by means of a hose nozzle with the acoustic output port of the hearing aid housing, but the acoustic output of the electrical / acoustic transducer assembly can be arranged directly in the region of the output opening of the hearing aid housing.
  • the electronics carrier includes a u-profiled, printed circuit board strip. Depending on the outside, the microphone and speakers are mounted on the insides of the protruding u-legs.
  • the electronics carrier is inserted into the cylindrical shell, the latter into the earmold.
  • the transducer assembly is positioned in a blind opening of a support plate whose bottom part is formed by a membrane.
  • the transducer assembly is then introduced from the end forming the acoustic output of the hearing aid housing in the hearing aid housing.
  • the carrier plate is connected to the hearing aid housing, for example glued or welded, and then separated the carrier plate along the hearing aid housing contour.
  • the membrane is formed integrally with the support plate, while the support plate is preferably made of a rubber-elastic material, e.g. made of latex or silicone, or it is the membrane as a film-like element on the support plate, initially with through holes, applied as glued, whereby only the blind openings are formed.
  • a rubber-elastic material e.g. made of latex or silicone
  • the present invention now aims, under a further aspect, to significantly increase the manufacturing effort required for this purpose to reduce. This is achieved by the mentioned automated assembly.
  • the transducer assembly In contrast to conventional procedure, according to which the transducer assembly is pushed from the top "through the hearing aid housing to its acoustic output part, the transducer assembly is inserted through an opening forming the acoustic output of the hearing aid housing in said housing.
  • the support plate is connected to the hearing aid housing, as example, glued or welded, and then the support plate is molded along the Höregaaussenkontur, it is achieved that the transducer assembly is positioned and retained in said support plate and thus the positioning / the converter order in Device housing is now only a question of the exact feed movement of the device housing and carrier plate. As mentioned, this approach is ideal for automated assembly.
  • Fig. 1 is, schematically, a converter module shown for explaining the principle of the acoustic coupling conditions.
  • the converter module 1 comprises a loudspeaker housing 3, in which the loudspeaker diaphragm 5 is mounted.
  • the loudspeaker diaphragm is excited by a motor drive 7 shown only schematically.
  • a front-side space R 1 and a rear-side R 2 are formed by the speaker diaphragm 5.
  • About acoustic coupling openings 9 of one of the two mentioned spaces, for example, the rear side R 2 acoustically coupled with a gap 11 formed between the speaker housing 3 and a Kapselungsgephase 13.
  • the encapsulating housing 13 and thus the gap 11 surround the speaker housing 3 substantially completely , except for resilient bearing parts 15, by means of which the speaker housing is spaced apart within the encapsulating housing 13, is mounted substantially "floating".
  • the front-side space R 1 is connected to the acoustic output A A of the converter module 1.
  • a membrane at the acoustic output A A is provided on it itself, as shown schematically at 17.
  • the membrane 17 is free-swinging apart from its marginal clamping.
  • it consists of a homogeneous material phase, preferably of a rubber-elastic material, for example of latex or silicone rubber, and, more preferably, has a constant thickness of about 100 .mu.m, preferably of at most 0.09 mm.
  • Fig. 2 a cross section through an embodiment of the converter module 1 is shown.
  • the already in the schematic representation according to Fig. 1 used reference numerals.
  • the speaker housing 3 with the coupling openings 9 is mounted on the encapsulating housing 13 by means of rubber-elastic bearing blocks 19.
  • the encapsulating housing 13 is formed by a cup 20, which preferably simultaneously acts as a magnetic shield and for this purpose preferably consists of ⁇ -metal.
  • the cup 20 is preferably metallic.
  • the cup 20 is closed by a termination part 22.
  • membrane 17 can be mounted directly on the end part 22.
  • the end part 22 and the membrane 17 can certainly be formed in one piece, but then the material of the end part 22 has to meet the material requirements of the membrane, for example with respect to rubber elasticity. For example, then the whole part 22 of latex or silicone rubber. Otherwise, however, the membrane 17 is anchored as a separate part on the end part 22.
  • the diaphragm 17 can also be provided between the acoustic output A 3 in the loudspeaker housing 3 and the clear opening in the part 22.
  • the diaphragm 17 is provided as in FIG Fig. 2 shown flush with the clear opening in the end part 22, whereby the whole converter module 1 appears as a self-contained, encapsulated unit and can be easily cleaned. This is particularly important when, as will be shown, the output A A of the converter 1 is located directly at the acoustic output of a hearing aid.
  • the converter module or its encapsulating housing 13 can be cube-shaped, cylindrical or in any other, substantially arbitrary shape, provided that the required space essentially enclosing the loudspeaker housing 3 is clamped between the loudspeaker housing 3 and encapsulation housing 13.
  • Fig. 2a is, starting from the explanations to Fig. 2 Schematically illustrated, another embodiment.
  • a rubber-elastic stocking 17 a is pulled over the encapsulating housing 13. At the same time, it forms end part 22 and membrane 17.
  • FIG. 3 is, schematically, the portion of an in-ear hearing aid 24 shown with the acoustic output port A 24th Within the device housing 26 is in accordance with Fig. 1, 2 2a built transducer module 1, by positive or non-positive, as with the mounting and positioning tabs 28 in Fig. 3 schematized, is held and positioned in the housing 26 of the hearing aid.
  • This is possible by the on the basis of the FIGS. 1, 2 2a or 2a converter module realized acoustic decoupling of the outer coupling housing 13 with respect to the speaker housing.
  • Fig. 3 Apart from this is according to Fig. 3 the structure of the in-ear hearing aid substantially as previously known by the acoustic output of the converter module 1 is connected via a pipe socket 30 with the acoustic output port A 24 of the device.
  • the electronic components and the input-side acoustic / electrical transducer arrangement on the in-ear hearing aid 24 with the housing 26 are in Fig. 3 and not shown in the other figures.
  • the membrane 17 provided in a preferred embodiment is installed in the immediate area of the acoustic output A 24 on the hearing aid housing 26.
  • the converter module 1 is mounted positively or non-positively in the area of the acoustic output A 24 of the hearing device 24 or of the housing 26, as shown by the holders 28 a shown schematically.
  • the free-swinging membrane 17 is provided at the terminal end.
  • the housing 26 of the in-ear hearing aid 24 is formed on the one hand by a main housing part 24a, but terminally, plate-like, a final part 24b is placed on the part 24a, glued or welded to the part 24a.
  • a main housing part 24a but terminally, plate-like, a final part 24b is placed on the part 24a, glued or welded to the part 24a.
  • transducer module 1 or directly the speaker housing a prior art speaker assembly in Fig. 5 both comprehensively labeled 30, seated in the exit opening 32.of the end portion 24b, and held there as braced, glued, etc., it trades in at Fig. 5 generally with 30 transducer module shown around one with encapsulating, ie constructed as based on the Figures 1, 2 or 2a has been shown, so can be provided within the device housing 26, as again schematized with 28, positioning and fixing organs for this converter module 1.
  • Fig. 5 designates the proposed membrane.
  • the structure according to Fig. 5 be it for hearing aids with a transducer module according to the Fig. 1, 2, 2a , Or is this for hearing aids with prior art transducer assemblies, ie with directly outboard loudspeaker housing, significant advantages.
  • the membrane 17 may be integrally formed with the part 24b, in particular because with the part 24b separated from the rest of the housing 26, the material choice of this part can be adapted to the requirements of the membrane 17.
  • FIGs. 6 (a) to 6 (c) schematically a flow of the inventive manufacturing method for in-the-ear hearing aids is shown.
  • a support plate 34 receiving openings 36, preferably in the form of blind openings, provided and inserted therein to be provided in in-ear hearing aids Wandieranssenen 30. Is it in the transducer assemblies 30 to those known type, ie with external speaker housing and without encapsulating according to the Fig. 1, 2, 2a , then preferably the transducer assemblies 30 are firmly anchored in the support plate 34, such as glued to it.
  • the arrangements 30 in the support plate 34 need not be held firmly, because they can, as shown, in the corresponding device housings 24a, as indicated by dashed lines at 28b, are held positively or non-positively. From a procedural point of view, it is essential for the time being that, by relative movement of the plate 34 with the transducer assemblies 30 and a corresponding number of housing parts 24a, the transducer assemblies 30 are not pushed in from above, but from below, into the parts of the housing parts 24a facing the acoustic exit.
  • the carrier plate 34 may be removed, the transducer assemblies being retained and positioned in the housings 24a.
  • the transducers 30 remain in the openings 36 of the plate 34 provided for this purpose.
  • the plate 34 is connected to the housing 24a, for example glued or welded, and starting from the position according to FIG Fig. 6 (b) then becomes (transition to Fig. 6 (c) ) the plate 34 is flush with the outer housing contour processed.
  • the bottom plate 38 according to Fig. 6 (a) formed as a blind opening openings 36 formed directly as a membrane. This is done by either selecting the material of the support plate 34 according to the requirements of the membrane material and thus forming the membrane integrally with the plate 34, or, as in Fig. 6 (a) shown by dashed lines by the bag openings 36 are formed only by laminating the support plate 34, with then still through openings 36, with a film-like layer 34b, which then the membrane 17 according to Fig. 5 forms.

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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)
  • Prostheses (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

L'invention concerne une prothèse auditive située dans l'oreille, qui comprend un système de transducteur (1) électrique/acoustique dont l'ouverture de sortie est séparée de l'environnement de l'appareil par une membrane (17) montée de manière à osciller librement.

Claims (3)

  1. Procédé pour la fabrication d'une prothèse auditive située dans l'oreille avec un dispositif convertisseur électrique/acoustique, dans lequel la sortie acoustique du dispositif convertisseur est couplée acoustiquement à un orifice de sortie dans le boîtier de la prothèse auditive, et la sortie acoustique du convertisseur est séparée de l'environnement de la prothèse à l'aide d'une membrane (17) qui est installée de manière à osciller librement la membrane (17) étant constituée d'une matière en caoutchouc élastique, procédé dans lequel l'on positionne le dispositif convertisseur dans un orifice borgne d'une plaque de support dont la portion inférieure est formée par la membrane et l'on introduit le dispositif convertisseur dans le boîtier de la prothèse auditive par l'extrémité formant la sortie acoustique du boîtier de la prothèse auditive à l'aide d'un mouvement relatif de la plaque de support et du boîtier de prothèse auditive, et l'on assemble ensuite la plaque de support avec le boîtier de la prothèse auditive et l'on sépare finalement la plaque de support le long du contour du boîtier de la prothèse auditive.
  2. Procédé selon la revendication 1, dans lequel l'on forme la membrane en une seule partie avec la plaque de support et la plaque de support, de préférence, en une matière en caoutchouc élastique, ou l'on applique la membrane sous forme d'un élément du type feuille sur la plaque de support avec des orifices de passage, par exemple on la colle, et on forme ainsi les orifices borgnes.
  3. Procédé selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que l'on assemble le boîtier de la prothèse et le convertisseur de manière automatisée.
EP00929195A 2000-06-06 2000-06-06 Procede permettant de produire une prothese auditive situee dans l'oreille Expired - Lifetime EP1287721B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH2000/000312 WO2000048443A2 (fr) 2000-06-06 2000-06-06 Prothese auditive situee dans l'oreille et procede permettant de la produire

Publications (3)

Publication Number Publication Date
EP1287721A2 EP1287721A2 (fr) 2003-03-05
EP1287721B1 EP1287721B1 (fr) 2005-07-27
EP1287721B2 true EP1287721B2 (fr) 2009-08-05

Family

ID=4358084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00929195A Expired - Lifetime EP1287721B2 (fr) 2000-06-06 2000-06-06 Procede permettant de produire une prothese auditive situee dans l'oreille

Country Status (7)

Country Link
EP (1) EP1287721B2 (fr)
JP (1) JP2004500734A (fr)
AU (1) AU2000247402A1 (fr)
CA (1) CA2412476C (fr)
DE (1) DE50010852D1 (fr)
DK (1) DK1287721T4 (fr)
WO (1) WO2000048443A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7751579B2 (en) * 2003-06-13 2010-07-06 Etymotic Research, Inc. Acoustically transparent debris barrier for audio transducers
KR101296714B1 (ko) 2011-11-10 2013-08-20 경북대학교 산학협력단 중이 특성이 반영된 정원창 구동 진동체 및 이를 이용한 보청기
WO2014111146A1 (fr) 2013-01-17 2014-07-24 Phonak Ag Protection pour batterie de microphone

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2818273A1 (de) † 1978-04-26 1979-11-08 Karl Sommer Schutzkaeppchen fuer hoergeraete-ohrenpasstueck
DE8106942U1 (de) † 1981-03-11 1982-07-15 Siemens AG, 1000 Berlin und 8000 München Im ohr zu tragendes hoerhilfegeraet
DE3147941A1 (de) † 1980-12-03 1982-07-29 Onkyo K.K., Neyagawa, Osaka Lautsprechermembran und verfahren zur herstellung von einer lautsprechermembran
EP0410034A1 (fr) † 1989-07-26 1991-01-30 Siemens Audiologische Technik GmbH Procédé et dispositif pour la fabrication d'une coque de boîtier d'une prothèse auditive intra-auriculaire et boîtier obtenu selon ce procédé
WO1994013116A1 (fr) † 1992-11-23 1994-06-09 Knowles Electronics, Inc. Transducteurs enfichables dans des protheses auditives
WO1995007014A1 (fr) † 1993-09-01 1995-03-09 Knowles Electronics, Inc. Recepteur pour un appareil de correction auditive
WO1997034443A1 (fr) † 1996-03-14 1997-09-18 Sarnoff Corporation Prothese auditive jetable
US5748743A (en) † 1994-08-01 1998-05-05 Ear Craft Technologies Air conduction hearing device
EP0855847A2 (fr) † 1993-11-23 1998-07-29 Gabriele Lux-Wellenhof Gaine pour appareils de corrrection auditive, appareils de correction auditive ou parties de ceux-ci pourvus de cette gaine, procédé et dispositif de contrÔle de la capacité auditive

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9113936U1 (de) * 1991-11-08 1992-03-12 W.L. Gore & Associates Gmbh, 85640 Putzbrunn Kappe zum Verschließen von Öffnungen an Ohrpaßstücken
DE19640796A1 (de) * 1996-10-02 1998-04-16 Siemens Audiologische Technik Schutzvorrichtung für die Schallein- und/oder Schallaustrittsöffnung an Gehäusen oder Ohrpaßstücken von Hörhilfegeräten
US6205227B1 (en) * 1998-01-31 2001-03-20 Sarnoff Corporation Peritympanic hearing instrument
WO2000027166A2 (fr) * 1998-11-02 2000-05-11 Sarnoff Corporation Conception de transducteurs pour protheses auditives et autres dispositifs

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2818273A1 (de) † 1978-04-26 1979-11-08 Karl Sommer Schutzkaeppchen fuer hoergeraete-ohrenpasstueck
DE3147941A1 (de) † 1980-12-03 1982-07-29 Onkyo K.K., Neyagawa, Osaka Lautsprechermembran und verfahren zur herstellung von einer lautsprechermembran
DE8106942U1 (de) † 1981-03-11 1982-07-15 Siemens AG, 1000 Berlin und 8000 München Im ohr zu tragendes hoerhilfegeraet
EP0410034A1 (fr) † 1989-07-26 1991-01-30 Siemens Audiologische Technik GmbH Procédé et dispositif pour la fabrication d'une coque de boîtier d'une prothèse auditive intra-auriculaire et boîtier obtenu selon ce procédé
WO1994013116A1 (fr) † 1992-11-23 1994-06-09 Knowles Electronics, Inc. Transducteurs enfichables dans des protheses auditives
WO1995007014A1 (fr) † 1993-09-01 1995-03-09 Knowles Electronics, Inc. Recepteur pour un appareil de correction auditive
EP0855847A2 (fr) † 1993-11-23 1998-07-29 Gabriele Lux-Wellenhof Gaine pour appareils de corrrection auditive, appareils de correction auditive ou parties de ceux-ci pourvus de cette gaine, procédé et dispositif de contrÔle de la capacité auditive
US5748743A (en) † 1994-08-01 1998-05-05 Ear Craft Technologies Air conduction hearing device
WO1997034443A1 (fr) † 1996-03-14 1997-09-18 Sarnoff Corporation Prothese auditive jetable

Also Published As

Publication number Publication date
EP1287721A2 (fr) 2003-03-05
WO2000048443A2 (fr) 2000-08-24
AU2000247402A1 (en) 2000-09-04
DK1287721T3 (da) 2005-10-31
EP1287721B1 (fr) 2005-07-27
JP2004500734A (ja) 2004-01-08
DE50010852D1 (de) 2005-09-01
WO2000048443A9 (fr) 2001-08-02
WO2000048443A3 (fr) 2002-02-14
CA2412476A1 (fr) 2002-12-05
DK1287721T4 (da) 2009-11-23
CA2412476C (fr) 2009-08-04

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