EP0410034A1 - Procédé et dispositif pour la fabrication d'une coque de boîtier d'une prothèse auditive intra-auriculaire et boîtier obtenu selon ce procédé - Google Patents

Procédé et dispositif pour la fabrication d'une coque de boîtier d'une prothèse auditive intra-auriculaire et boîtier obtenu selon ce procédé Download PDF

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Publication number
EP0410034A1
EP0410034A1 EP89113792A EP89113792A EP0410034A1 EP 0410034 A1 EP0410034 A1 EP 0410034A1 EP 89113792 A EP89113792 A EP 89113792A EP 89113792 A EP89113792 A EP 89113792A EP 0410034 A1 EP0410034 A1 EP 0410034A1
Authority
EP
European Patent Office
Prior art keywords
housing shell
strand
negative mold
channel
ear
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.)
Granted
Application number
EP89113792A
Other languages
German (de)
English (en)
Other versions
EP0410034B1 (fr
Inventor
Dietmar Hermann
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
Application filed by Siemens AG, Siemens Audioligische Technik GmbH filed Critical Siemens AG
Priority to AT89113792T priority Critical patent/ATE120065T1/de
Priority to EP89113792A priority patent/EP0410034B1/fr
Priority to DE58909119T priority patent/DE58909119D1/de
Priority to US07/552,525 priority patent/US5146051A/en
Priority to CA002021879A priority patent/CA2021879A1/fr
Publication of EP0410034A1 publication Critical patent/EP0410034A1/fr
Application granted granted Critical
Publication of EP0410034B1 publication Critical patent/EP0410034B1/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
    • H04R25/652—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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/30—Use of anatomy in making a mold or using said mold

Definitions

  • the invention relates to a method for producing a housing shell of an in-the-ear hearing device. It also relates to a device for carrying out such a method and to a housing shell which is produced by the specially adapted method.
  • in-the-ear hearing aids a distinction is made between customer-specific devices (custom made), which are either worn as concha devices predominantly in the pinna and only protrude into the ear canal with an ear adapter (Siemens information on making ear adapters for in-ear SIRETTINA PA 3801 devices, order no.MH 170/1418, issued in 1980) or, as ear canal devices, sit largely in the ear canal (DE-GM 84 36 783; EP-A0 248 955).
  • module-in-the-ear devices are known (EP-A-0 206 213; DE-C-36 16 648), which consist of series-produced module hearing aids, which are made into shells or otoplastics made according to the patient's individual impression to be built in.
  • in-ear hearing aids are provided with a further opening and a channel which enables ventilation of the auditory canal closed off by the device itself.
  • this additional channel also referred to as a vent, can serve not only to equalize pressure but also to influence the frequency response of the hearing aid and to be adapted to the hearing damage of the hearing aid wearer.
  • an in-the-ear device with a vent channel e.g. a positive impression of the hearing-impaired person's ear is made by the hearing aid acoustician.
  • This impression is in particular on the side facing away from the eardrum, its distal end of the impression cut flat, provided with a release agent - the ear impression is expediently dipped entirely in wax - and a negative mold of the ear impression is cast using a suitable shell.
  • plastic material e.g. polymethyl methacrylate, known under the trade name Acryl PMMA
  • excess plastic material is poured out of the negative mold.
  • the negative mold with the housing shell located therein is e.g. placed in a pressure pot and the plastic cured (polymerized) over a period of about 10 minutes. Then the housing shell is removed from the negative mold.
  • the hardened blank of the housing shell, taken from the negative mold, is exposed proximally and distally of excess plastic material, as indicated by the lines c-c and e-e in FIG.
  • the exposure is carried out by grinding or sawing or milling and polishing.
  • an opening is exposed (drilled, milled) at the proximal end of the housing shell blank.
  • the shell is then polished.
  • a groove is worked into the inner wall of the housing shell from the distal or proximal end using the milling tool over the entire length of the shell in a time-consuming and with great care.
  • a silicone tube that encases a core of solder is placed in this groove and twisted on the shell from the outside.
  • a mixture of the Shell plastic material mixed and applied with a tool (spatula) over the jacket of the silicone hose, such that the hose inside the housing shell is covered with shell material and embedded throughout.
  • the blank of the housing shell is again placed in a pressure pot for a certain period of time, for example.
  • the excess covering material is then milled off and ground off in order to create installation space in the housing shell for the components of the hearing aid. It is important to note and check that the duct created after the silicone hose is pulled out has a closed jacket.
  • the blank of the housing shell is subsequently ground back to the intended size of the housing shell in the concha area (distal end) and in the auditory canal area (proximal end). Finally, a faceplate or the like at the distal end and an end plate or wax cap at the proximal end. be attached. If necessary, the inlet and outlet openings of the ventilation duct (vent) must be drilled. If the vent ends in front of the wax cap in the area of the proximal end, an opening must be drilled in the wall of the housing shell.
  • the object of the invention is to provide a method and a device and to design the housing shell of an in-the-ear hearing device in such a way that an in-the-ear hearing device can be produced and technically improved with less effort.
  • the channel for the ventilation or the venting channel can already be produced in one operation during the casting or injection molding of the blank of the housing shell.
  • This channel or several such channels can be laid and aligned as intended in the negative form according to the space available for the hearing aid.
  • the space, the venting size (channel length, channel profile and channel diameter) can be taken into account and varied in the negative form, i.e. the channel position, channel size, channel shape etc. can already be predetermined in the negative form. It is also possible to achieve a uniform wall thickness of the venting channel with respect to the housing shell, since the strand, tube or hose jacket which is cast or injected into the housing shell enables the same distance to the shell material or to the shell.
  • FIG. 1 shows a positive ear impression 1, which is obtained from a blank by cutting off a protruding material section 2 in the area of its distal end, along the section line a-a, or a sprue 3 in the area of its proximal end, along the section line b-b.
  • FIG. 2 shows the ear impression 1 according to FIG. 1, which is equipped with a core 4 on the region of the ear canal (proximal end) and is arranged in a container 6 for casting a negative mold 5.
  • a vessel 7 in which there is a plastic material, a casting compound 8 or the like. is located, the negative form of the earprint 1 cast.
  • the ear impression 1 is expediently made entirely of wax or the like first. dipped to achieve a separation or separation layer. The wax layer also makes it possible to compensate for any subsequent material loss.
  • FIG. 3 shows the negative mold 5 after the ear impression 1 has been removed and after the core 4 has been removed, an opening 9 left by the core being provided in the bottom of the mold in the shape which is now tilted upward with the negative of the ear impression.
  • a flexible strand 11, a tube, a hose or the like relocated or drawn in such a way that it runs on the inner wall of the negative mold in the manner in which the course of a channel is intended for ventilation or as a vent in the housing shell to be produced.
  • a flexible strand 11 consisting of a core 12 made of bendable material, for example a metal thread, is used to manufacture the channel, in particular a jacket 13 surrounding the metal thread - in particular a jacket, the material of which does not form a connection with the shell material when the housing shell is cast or sprayed - And on the hose jacket 13 lined up beads 14, beads or the like, which preferably consist of the same or the same plastic material as the material used to produce the housing shell.
  • the metal thread eg solder, should not be resilient, but should be easily and permanently deformable.
  • the flexibility of the strand 11 niches 15 between The spheres 14 are filled with shell material when casting or spraying the housing shell, so that a uniformly thick wall is created for the channel to be formed. While the diameter of the core 4 used to produce the opening 9 in the negative mold 1 corresponds approximately to the outside diameter D of the strand 11 or, according to the exemplary embodiment, the outside diameter d of the tube 13, the diameter d is formed by the thickness of the metal thread 12 or by Diameter of the silicone jacket 13 or from the bore diameter of the beads 14, the clear cross section of the channel determines.
  • the flexible strand 11 carries the beads 14 made of polymethyl methacrylate on the section which is guided through the negative mold and which is used to form a channel in the housing shell and is attached or twisted with its ends 16, 17 to the outside of the negative mold. Care is taken to ensure that the beads 14 rest against the inner wall of the negative mold along the intended course, then the negative mold is poured or injected with polymethyl methacrylate to produce a housing shell 18. After a short polymerization time, excess plastic material is emptied from the negative mold and then the negative mold e.g. placed in a pressure pot for curing the housing shell 18.
  • the shell casting or injection molding compound connects to the balls 14 of the strand 11.
  • the strand insert in the exemplary embodiment the metal thread 12 with a silicone jacket 13
  • the housing shell 18 shown in FIG. 5 is removed from the negative mold and the excess casting residues 20, 21 are milled or removed along the cutting lines cc and ee. If provided, the channel 19 can still be milled and the housing shell polished.
  • the housing shell 18 can in can be closed in a manner known per se by a cover plate to be placed on the proximal end 22 and a faceplate to be placed on the distal end 23.
  • the channel 19 runs completely through the housing shell in the longitudinal direction, the through openings must still be drilled.
  • one or the other passage opening of the channel 19 is provided on a side wall of the housing shell.
  • a perspective opening according to FIG. 6 shows a passage opening 24 of the channel 19 located at the distal end of the housing shell 18, the channel wall with the pearl or bead structure also being recognizable.
  • the passage opening of the channel provided at the proximal end is designated by 25.

Landscapes

  • 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)
EP89113792A 1989-07-26 1989-07-26 Procédé et dispositif pour la fabrication d'une coque de boîtier d'une prothèse auditive intra-auriculaire et boîtier obtenu selon ce procédé Expired - Lifetime EP0410034B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT89113792T ATE120065T1 (de) 1989-07-26 1989-07-26 Verfahren und vorrichtung zur herstellung einer gehäuseschale eines in-dem-ohr-hörgerätes sowie nach dem verfahren hergestellte gehäuseschale.
EP89113792A EP0410034B1 (fr) 1989-07-26 1989-07-26 Procédé et dispositif pour la fabrication d'une coque de boîtier d'une prothèse auditive intra-auriculaire et boîtier obtenu selon ce procédé
DE58909119T DE58909119D1 (de) 1989-07-26 1989-07-26 Verfahren und Vorrichtung zur Herstellung einer Gehäuseschale eines In-dem-Ohr-Hörgerätes sowie nach dem Verfahren hergestellte Gehäuseschale.
US07/552,525 US5146051A (en) 1989-07-26 1990-07-16 Housing shell for an in-the-ear hearing aid
CA002021879A CA2021879A1 (fr) 1989-07-26 1990-07-24 Coquille pour prothese acoustique se portant dans l'oreille et methode et appareil pour sa production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89113792A EP0410034B1 (fr) 1989-07-26 1989-07-26 Procédé et dispositif pour la fabrication d'une coque de boîtier d'une prothèse auditive intra-auriculaire et boîtier obtenu selon ce procédé

Publications (2)

Publication Number Publication Date
EP0410034A1 true EP0410034A1 (fr) 1991-01-30
EP0410034B1 EP0410034B1 (fr) 1995-03-15

Family

ID=8201686

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89113792A Expired - Lifetime EP0410034B1 (fr) 1989-07-26 1989-07-26 Procédé et dispositif pour la fabrication d'une coque de boîtier d'une prothèse auditive intra-auriculaire et boîtier obtenu selon ce procédé

Country Status (5)

Country Link
US (1) US5146051A (fr)
EP (1) EP0410034B1 (fr)
AT (1) ATE120065T1 (fr)
CA (1) CA2021879A1 (fr)
DE (1) DE58909119D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1427251A3 (fr) * 2000-06-30 2006-08-16 Phonak Ag Procédé de fabrication d' otoplastiques et otoplastique correspondant
EP1287721B2 (fr) † 2000-06-06 2009-08-05 Phonak Ag Procede permettant de produire une prothese auditive situee dans l'oreille
WO2016059029A1 (fr) * 2014-10-14 2016-04-21 Dentona Ag Flan de fraisage destiné à la fabrication de pièces moulées à usage médical
US11591431B2 (en) 2014-10-14 2023-02-28 Pr03Dure Medical Gmbh Milling blank for the production of medical-technical molded parts

Families Citing this family (31)

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Publication number Priority date Publication date Assignee Title
US5531954A (en) * 1994-08-05 1996-07-02 Resound Corporation Method for fabricating a hearing aid housing
AU6439896A (en) * 1995-09-14 1997-03-20 Resound Corporation Method for fabricating a hearing aid faceplate and a faceplate produced thereby
US5881159A (en) * 1996-03-14 1999-03-09 Sarnoff Corporation Disposable hearing aid
US6473511B1 (en) 1996-03-14 2002-10-29 Sarnoff Corporation Disposable hearing aid with integral power source
US7010137B1 (en) * 1997-03-12 2006-03-07 Sarnoff Corporation Hearing aid
US6449662B1 (en) * 1997-01-13 2002-09-10 Micro Ear Technology, Inc. System for programming hearing aids
US6424722B1 (en) 1997-01-13 2002-07-23 Micro Ear Technology, Inc. Portable system for programming hearing aids
US7787647B2 (en) 1997-01-13 2010-08-31 Micro Ear Technology, Inc. Portable system for programming hearing aids
US6283915B1 (en) 1997-03-12 2001-09-04 Sarnoff Corporation Disposable in-the-ear monitoring instrument and method of manufacture
US6175633B1 (en) 1997-04-09 2001-01-16 Cavcom, Inc. Radio communications apparatus with attenuating ear pieces for high noise environments
US6366863B1 (en) 1998-01-09 2002-04-02 Micro Ear Technology Inc. Portable hearing-related analysis system
US6359993B2 (en) * 1999-01-15 2002-03-19 Sonic Innovations Conformal tip for a hearing aid with integrated vent and retrieval cord
DK1252799T3 (da) 2000-01-20 2012-01-23 Starkey Lab Inc Fremgangsmåde og apparat til tilpasning af høreapparater
US7407035B2 (en) * 2002-02-28 2008-08-05 Gn Resound A/S Split shell system and method for hearing aids
US7054457B2 (en) * 2002-03-20 2006-05-30 Siemens Hearing Instruments, Inc. Hearing instrument receiver mounting arrangement for a hearing instrument housing
US8625834B2 (en) 2004-09-27 2014-01-07 Surefire, Llc Ergonomic earpiece and attachments
JP4058698B2 (ja) * 2005-02-01 2008-03-12 株式会社須山歯研 イヤモ−ルド
CA2601662A1 (fr) 2006-09-18 2008-03-18 Matthias Mullenborn Interface sans fil pour programmer des dispositifs d'aide auditive
JP5340532B2 (ja) * 2006-10-30 2013-11-13 株式会社須山歯研 イヤモ−ルドの製法及びそのイヤモ−ルド
US7875223B2 (en) * 2008-01-24 2011-01-25 Siemens Hearing Instruments, Inc. Fabrication of a soft-silicone cover for a hearing instrument shell
DK2283660T3 (da) * 2008-05-15 2012-05-29 Otoplastik Bleuer & Fuerst Fremgangsmåde til fremstilling af en otoplastik
DE102011110861B4 (de) * 2011-08-17 2013-06-20 Eisenmann Ag Verfahren zur Überprüfung eines Gegenstands mit materialfreien Bereichen
USD717275S1 (en) 2013-09-09 2014-11-11 Verto Medical Solutions, LLC Controller for earbuds and earphones
USD744456S1 (en) * 2014-01-24 2015-12-01 Freebit As Earbud
EP3198890B1 (fr) * 2014-09-23 2018-11-07 Sonova AG Tampon de prise d'empreinte, procédé de prise d'empreinte, empreinte, procédé de fabrication d'une coque intra-auriculaire personnalisée
TWD176082S (zh) * 2014-12-29 2016-06-01 三星電子股份有限公司 耳機蓋之部分
TWD176084S (zh) * 2014-12-29 2016-06-01 三星電子股份有限公司 耳機蓋之部分
USD779461S1 (en) * 2015-10-08 2017-02-21 Surefire, Llc Earpiece
USD832240S1 (en) 2016-07-07 2018-10-30 Gn Audio A/S Ear gel for an earphone
TWD187385S (zh) * 2017-03-27 2017-12-21 金士頓數位股份有限公司 音源控制裝置之部分
US20220339040A1 (en) * 2019-09-17 2022-10-27 Pro3dure Medical GmbH Profiled ear piece and device for the generation of an ear piece

Citations (4)

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Publication number Priority date Publication date Assignee Title
US4569812A (en) * 1984-06-22 1986-02-11 Beltone Electronics Corporation Process for making a hearing aid vent
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
EP0245742A1 (fr) * 1986-05-16 1987-11-19 Siemens Audiologische Technik GmbH Méthode et dispositif de fabrication d'un embout auriculaire
EP0248955A1 (fr) * 1985-02-04 1987-12-16 Gaspare Bellafiore Dispositif aide-ouie et sa méthode de fabrication

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US3440314A (en) * 1966-09-30 1969-04-22 Dow Corning Method of making custom-fitted earplugs for hearing aids
DE8436783U1 (de) * 1984-12-15 1986-04-10 Siemens AG, 1000 Berlin und 8000 München Hörgerät
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
DE8518681U1 (de) * 1985-06-27 1986-06-12 Siemens AG, 1000 Berlin und 8000 München Hörhilfe
DE3616648A1 (de) * 1986-05-16 1987-11-19 Siemens Ag In-dem-ohr-hoergeraet
DE3715082A1 (de) * 1987-05-06 1988-11-17 Siemens Ag Verfahren und vorrichtung zur herstellung einer otoplastik
DE8816266U1 (de) * 1988-01-19 1989-04-13 Siemens AG, 1000 Berlin und 8000 München Ohreinsatz für Hörgeräte, insbesondere Otoplastik für In-dem-Ohr-Hörgeräte und Ohrpaßstück für Hinter-dem-Ohr-Hörgeräte

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4569812A (en) * 1984-06-22 1986-02-11 Beltone Electronics Corporation Process for making a hearing aid vent
EP0248955A1 (fr) * 1985-02-04 1987-12-16 Gaspare Bellafiore Dispositif aide-ouie et sa méthode de fabrication
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
EP0245742A1 (fr) * 1986-05-16 1987-11-19 Siemens Audiologische Technik GmbH Méthode et dispositif de fabrication d'un embout auriculaire

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1287721B2 (fr) † 2000-06-06 2009-08-05 Phonak Ag Procede permettant de produire une prothese auditive situee dans l'oreille
EP1427251A3 (fr) * 2000-06-30 2006-08-16 Phonak Ag Procédé de fabrication d' otoplastiques et otoplastique correspondant
WO2016059029A1 (fr) * 2014-10-14 2016-04-21 Dentona Ag Flan de fraisage destiné à la fabrication de pièces moulées à usage médical
US10623874B2 (en) 2014-10-14 2020-04-14 Pro3dure Medical GmbH Milling blank for the production of medical-technical molded parts
US11591431B2 (en) 2014-10-14 2023-02-28 Pr03Dure Medical Gmbh Milling blank for the production of medical-technical molded parts

Also Published As

Publication number Publication date
EP0410034B1 (fr) 1995-03-15
DE58909119D1 (de) 1995-04-20
US5146051A (en) 1992-09-08
CA2021879A1 (fr) 1991-01-27
ATE120065T1 (de) 1995-04-15

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