EP0245741B1 - Verfahren und Vorrichtung zur Herstellung eines Ohrabdrucks und zur Weiterverarbeitung des Ohrabdrucks zu einer Otoplastik - Google Patents
Verfahren und Vorrichtung zur Herstellung eines Ohrabdrucks und zur Weiterverarbeitung des Ohrabdrucks zu einer Otoplastik Download PDFInfo
- Publication number
- EP0245741B1 EP0245741B1 EP87106412A EP87106412A EP0245741B1 EP 0245741 B1 EP0245741 B1 EP 0245741B1 EP 87106412 A EP87106412 A EP 87106412A EP 87106412 A EP87106412 A EP 87106412A EP 0245741 B1 EP0245741 B1 EP 0245741B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ear
- ear impression
- die
- negative
- cap
- 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
Links
Images
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
-
- 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
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
- H04R25/652—Ear tips; Ear moulds
- H04R25/654—Ear wax retarders
Definitions
- the invention relates to a method and a device for producing an ear impression and for further processing the ear impression into an otoplastic.
- German utility model application 85 18 681.3 an in-the-ear hearing aid module is already proposed, which can be inserted into the cavity of an outer shell on which the earmold is attached.
- the object of the present invention is to provide a method and a device by means of which an ear impression of this module can be produced directly in the ear and the associated otoplastic for an in-the-ear hearing aid module with a cover in an optimally simple and rapid manner.
- the hollow stamp and the through-channel in the cap allow an ear impression to be made with the stamp inserted, which later mimics the in-the-ear hearing aid module, including the outer shell and cap directly in the ear canal, as excess ear impression material can flow into the interior of the hollow plunger via the through channel of the cap. This prevents excess ear impression material from being pushed into the posterior ear canal.
- an impression directly in the ear canal is of particular advantage since it reflects the tissue contours particularly precisely with regard to the later in-the-ear hearing aid module to be used together with an otoplastic. With the normal impression method, i.e.
- an ear impression is obtained that only shows the relieved situation of the tragus and auditory canal, which only approximately corresponds to the situation (due to the inserted hearing aid module).
- the otoplastic to be produced from the negative of an ear impression produced according to the invention in accordance with the features of claim 2 is thus more realistically adapted to the actual conditions of the ear canal than an otoplastic manufactured according to the normal impression method.
- a stamp 1 comprises e.g. made of plastic, a hollow interior 2 and screw holes 3 at the distal end. Screws 4 fit into the screw holes 3. By means of these screws 4, a plate 5 corresponding to the end face (faceplate) with a stem 5 ses and a vent hole 5 ⁇ can be screwed through holes 6 at the distal end of the stamp.
- the stamp 1 comprises a nozzle 7 which, after a cover 8 has been placed over it, at least partially protrudes from a proximal hole 9 of the cover 8.
- a plastic cap 10 which contains a central through-channel 11 for connection to the hollow interior 2 of the stamp 1, is fastened on the part of the nozzle 7 protruding from the hole 9.
- the hearing aid of a hearing impaired person is injected with an ear impression material (eg silicone compound) after inserting a tampon.
- an ear impression material eg silicone compound
- stamp 1 with screwed-on plate 5 with handle 5 1, cover 8 and cap 10 is then carefully inserted into the ear impression material in the ear canal.
- the outer shell 8 was coated with a suitable adhesive (for example a silicone resin with a volatile solvent, such as, for example, Athesive Permagum), which is intended to facilitate the adhesion of the ear impression material to the outer shell.
- Displaced ear impression material is pressed in the distal direction, partly directly from the ear canal and partly through the through channel 11 of the cap 10 into the hollow interior of the stamp 1, where it remains as a relatively soft plastic (non-adhesive) material after crosslinking.
- the displaced air can escape from the vent hole 5 ⁇ .
- Superfluous Ear impression material is therefore not pushed towards the inner ear. Because of the cap, there is a central opening later in the earmold still to be manufactured, which ensures that when the in-the-ear hearing aid module is plugged in, its sound outlet opening is always at a certain minimum distance from the skin tissue in the ear. This ensures optimal acoustic coupling to the inner ear.
- FIG. 2 An example of such an ear impression 12 is shown in FIG. 2.
- the ear impression material has the reference number 13, the tampon is marked with 14.
- a fixing star 16 can be screwed onto the cleaned ear impression 15 by means of the screws 4.
- the fixing star 16 comprises stepped star tips 17.
- the fixing star 16 fits into a star-shaped recess 18 in a holding plate 19 according to FIG. 4.
- the fixing star 16 together with the cleaned ear impression 15 can be inserted into the recess 18 of the holding plate 19 in such a way that the star tips protrude somewhat from the holding plate.
- FIG. 5 The arrangement of FIG. 5 is placed (if necessary after previous immersion in wax) in a round mold 20 which is open on both sides and then, as indicated in FIG.
- the negative casting material 21 can be gypsum or a silicone.
- FIG. 7 The finished negative after removal of the ear impression together with the holding plate is shown in FIG. 7. It can be seen that the star tips 17 have left fixing troughs 23 in the negative impression.
- an outer shell 27 is in turn pulled over a plunger 24, to which a fixing star 25 is screwed by means of screws 26, in such a way that the connector 28 of the plunger 24 projects at least partially from the proximal hole 29 of the outer shell.
- a cap 30 is pulled over the neck again.
- the stamp 24 with the outer shell 27 and also the fixing star 25 correspond exactly to the corresponding components 1, 8 and 16, which had also been used to obtain the ear impression or the negative of the ear impression.
- the previously used parts can be reused, provided that after the negative has been produced, the stamp 1 together with the outer shell 8 are freed from the earprint material.
- the cap 30 differs from the cap 10 in that it does not include a through-channel. The very thin otoplastic material must not penetrate into the hollow interior of the stamp 24. It would penetrate into cracks between the stamp and the outer shell or also the fixing star and glue them together, so that the stamp could no longer be removed from the outer shell.
- the negative 22 of the ear impression is now filled with liquid otoplastic material 31 (e.g. polymethyl methacrylate, such as acrylic PMMA), as indicated in FIG. 9.
- liquid otoplastic material 31 e.g. polymethyl methacrylate, such as acrylic PMMA
- the part 32 of FIG. 10 composed of the components of FIG. 8 is screwed into the liquid otoplastic material 31 located in the negative 22.
- the correct end position is achieved in that the tips 33 of the fixing star 25 are brought into agreement with the position of the fixing troughs 23.
- the part 32 is now in exactly the same position as in the ear canal.
- the blank 34 according to FIG. 11 can be removed.
- the fixing star 25 including any protruding otoplastic material along the line a-a is then detached from the blank. Accordingly, the otoplastic material is removed at the proximal end along the line b-b up to the end face of the cap 30.
- the cap 30 can now be levered out using a fine screwdriver.
- the proximal hole 28 of the outer shell 27 lies essentially centrally in the finished otoplastic 35.
- the diameter D of the proximal opening 36 of the otoplastic material 31 corresponds to the diameter of the cap 30.
- the smallest diameter D is still so large that a cerumen lid 37 with the diameter D1 can be inserted into the proximal opening 36.
- the cerumen lid 37 comprises an internal thread 38, which according to the FIG. 12 fits the external thread 39 of a proximal threaded connector 40 of an in-the-ear hearing aid module 41.
- the in-the-ear hearing aid module 41 can now be inserted into the hollow interior 42 of the finished otoplastic 35 until the proximal threaded connector 40 projects through the hole 28 into the proximal opening 36 of the otoplastic material 31.
- the cerumen lid can then be screwed onto the threaded connector 40.
- the in-the-ear hearing aid module 41 thus sits firmly and acoustically close to the finished earmold 35.
- the cerumen lid 37 has 43 sieve-like openings 44 on its end face. It serves as a fixed element for the hearing aid module and as a cerumen trap.
- the in-the-ear hearing aid module 41 comprises an adjustment button 46 for a volume control on the end face 45, which is also an on and off switch for the device, a further actuator 47, a charger 48 for a battery and a Opening 49 for the sound supply.
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)
- Eyeglasses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87106412T ATE60973T1 (de) | 1986-05-16 | 1987-05-04 | Verfahren und vorrichtung zur herstellung eines ohrabdrucks und zur weiterverarbeitung des ohrabdrucks zu einer otoplastik. |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3616534 | 1986-05-16 | ||
DE3616534 | 1986-05-16 | ||
DE8613336U DE8613336U1 (de) | 1986-05-16 | 1986-05-16 | Vorrichtung zur Herstellung eines Ohrabdrucks zur nachfolgenden Herstellung einer Otoplastik |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0245741A1 EP0245741A1 (de) | 1987-11-19 |
EP0245741B1 true EP0245741B1 (de) | 1991-02-20 |
Family
ID=25843823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87106412A Expired - Lifetime EP0245741B1 (de) | 1986-05-16 | 1987-05-04 | Verfahren und Vorrichtung zur Herstellung eines Ohrabdrucks und zur Weiterverarbeitung des Ohrabdrucks zu einer Otoplastik |
Country Status (6)
Country | Link |
---|---|
US (1) | US4834927A (es) |
EP (1) | EP0245741B1 (es) |
JP (1) | JPS62279577A (es) |
CA (1) | CA1267511A (es) |
DE (1) | DE8613336U1 (es) |
DK (1) | DK242687A (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012215981B4 (de) | 2012-09-10 | 2020-07-30 | Audia Akustik Gmbh | Vorrichtung und Verfahren zur Herstellung eines Ohrpassstücks |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8712957U1 (de) * | 1987-09-25 | 1989-01-19 | Siemens AG, 1000 Berlin und 8000 München | In-dem-Ohr-Hörgerät |
ATE120065T1 (de) * | 1989-07-26 | 1995-04-15 | Siemens Audiologische Technik | Verfahren und vorrichtung zur herstellung einer gehäuseschale eines in-dem-ohr-hörgerätes sowie nach dem verfahren hergestellte gehäuseschale. |
US5185802A (en) * | 1990-04-12 | 1993-02-09 | Beltone Electronics Corporation | Modular hearing aid system |
EP0544687B1 (en) * | 1990-08-20 | 1995-08-23 | Minnesota Mining And Manufacturing Company | Hearing aid and method for preparing same |
GB9100097D0 (en) * | 1991-01-04 | 1991-02-20 | Sec Dep For Health The | Biocompatible mouldable polymeric material |
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 |
US5572594A (en) * | 1994-09-27 | 1996-11-05 | Devoe; Lambert | Ear canal device holder |
EP0821543A3 (de) * | 1996-07-24 | 2004-06-02 | Bernafon AG | Membran als Mantelfläche eines Hörgerätes, das durch Giessen eines Körpers individualisiert wird |
EP0821542A3 (de) * | 1996-07-24 | 2004-06-02 | Bernafon AG | Ganz im Gehörgang zu tragendes Hörgerät, das durch Giessen eines Körpers individualisiert wird |
EP0821541A3 (de) * | 1996-07-24 | 2004-06-02 | Bernafon AG | Ganz im Gehörgang zu tragendes Hörgerät, das durch Giessen eines Körpers individualisiert wird |
US6728383B1 (en) * | 1997-12-18 | 2004-04-27 | Softear Technologies, L.L.C. | Method of compensating for hearing loss |
US6254526B1 (en) | 1997-12-18 | 2001-07-03 | Softear Technologies, L.L.C. | Hearing aid having hard mounting plate and soft body bonded thereto |
US6228020B1 (en) | 1997-12-18 | 2001-05-08 | Softear Technologies, L.L.C. | Compliant hearing aid |
US6695943B2 (en) | 1997-12-18 | 2004-02-24 | Softear Technologies, L.L.C. | Method of manufacturing a soft hearing aid |
US6473512B1 (en) | 1997-12-18 | 2002-10-29 | Softear Technologies, L.L.C. | Apparatus and method for a custom soft-solid hearing aid |
US6434248B1 (en) | 1997-12-18 | 2002-08-13 | Softear Technologies, L.L.C. | Soft hearing aid moulding apparatus |
US6432247B1 (en) | 1997-12-18 | 2002-08-13 | Softear Technologies, L.L.C. | Method of manufacturing a soft hearing aid |
DE69834059D1 (de) | 1997-12-18 | 2006-05-18 | Softear Technologies L L C | Vorrichtung und verfahren für passbares weiches festes hörhilfegerät |
US6438244B1 (en) | 1997-12-18 | 2002-08-20 | Softear Technologies | Hearing aid construction with electronic components encapsulated in soft polymeric body |
US6167141A (en) * | 1998-04-30 | 2000-12-26 | Beltone Electronics Corporation | Multimaterial hearing aid housing |
US7217335B2 (en) * | 1998-05-26 | 2007-05-15 | Softear Technologies, L.L.C. | Method of manufacturing a soft hearing aid |
US20080063231A1 (en) * | 1998-05-26 | 2008-03-13 | Softear Technologies, L.L.C. | Method of manufacturing a soft hearing aid |
US6393130B1 (en) | 1998-10-26 | 2002-05-21 | Beltone Electronics Corporation | Deformable, multi-material hearing aid housing |
US7130437B2 (en) * | 2000-06-29 | 2006-10-31 | Beltone Electronics Corporation | Compressible hearing aid |
US6401859B1 (en) | 2000-09-25 | 2002-06-11 | Phonak Ag | Custom-molded ear-plug, and process for producing a custom-molded ear-plug device |
EP1320339B1 (de) | 2000-09-25 | 2005-01-19 | Phonak Ag | Otoplastik und verfahren zur fertigung einer otoplastik |
DE60221107T2 (de) * | 2001-02-16 | 2008-03-13 | Koninklijke Philips Electronics N.V. | Verfahren zur herstellung einer hörhilfenhalterung und eines hilfsteils |
WO2006117408A2 (en) | 2006-06-14 | 2006-11-09 | Phonak Ag | Preserving localization information from modelling to assembling |
US7571018B2 (en) | 2006-06-14 | 2009-08-04 | Phonak Ag | Preserving localization information from modeling to assembling |
DE102007028230B3 (de) * | 2007-06-20 | 2008-11-13 | Siemens Medical Instruments Pte. Ltd. | Verschlusselement für Gehäuseöffnungen bei einem Tumbling-Prozess und Verfahren zum Glätten oder Beschichten von Gehäuseteilen für eine Hörvorrichtung |
WO2010099180A2 (en) | 2009-02-24 | 2010-09-02 | Robert Grant Koehler | Support assembly for an ear |
US8616214B2 (en) | 2011-04-06 | 2013-12-31 | Kimberly-Clark Worldwide, Inc. | Earplug having a resilient core structure |
DE102011078675B4 (de) * | 2011-07-05 | 2014-01-02 | Siemens Medical Instruments Pte. Ltd. | Abformstruktur für eine Hörvorrichtung |
US9313588B2 (en) | 2011-07-05 | 2016-04-12 | Sivantos Pte. Ltd. | Molding structure for a hearing apparatus, hearing apparatus, and method of producing the molding structure |
KR20170012487A (ko) | 2014-05-30 | 2017-02-02 | 레볼 테크놀로지스 인코포레이티드 | 맞춤형 귀 삽입구 |
US9629575B2 (en) * | 2014-12-30 | 2017-04-25 | Natus Medical Incorporated | Filter device and method of manufacturing a filter device |
US10250964B2 (en) * | 2017-05-10 | 2019-04-02 | Logitech Europe S.A. | Apparatus and method of forming a custom earpiece |
WO2019135184A1 (en) | 2018-01-03 | 2019-07-11 | Logitech Europe S.A. | Apparatus and method of forming a custom earpiece |
US20190215627A1 (en) * | 2018-01-11 | 2019-07-11 | Orello Hearing Technologies Inc. | Hearing assistance device |
Family Cites Families (22)
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US1753817A (en) * | 1928-09-14 | 1930-04-08 | John C Aber | Audiphone |
US2203105A (en) * | 1938-03-03 | 1940-06-04 | Margaret L Muir | Earpiece manufacture |
US3097059A (en) * | 1960-06-23 | 1963-07-09 | Carl G Hoffman | Method for forming ear plugs for supporting hearing and receivers |
US3208102A (en) * | 1962-10-12 | 1965-09-28 | Beltone Electronics Corp | Ear impression apparatus |
US3345737A (en) * | 1963-12-17 | 1967-10-10 | Otoacustica Electronics Ltd | Method of producing fitted hearing aid with sound amplifier incorporated therein |
DE1487272A1 (de) * | 1966-05-09 | 1969-03-20 | Wolfgang Dreve | Otoplastik fuer Hoergeraete und Verfahren zur Herstellung der Otoplastik |
US3440314A (en) * | 1966-09-30 | 1969-04-22 | Dow Corning | Method of making custom-fitted earplugs for hearing aids |
US3513269A (en) * | 1967-01-26 | 1970-05-19 | Pacific Plantronics Inc | Earform mold for supporting acoustic apparatus on a wearer's ear and method of making the mold |
US3475528A (en) * | 1967-07-10 | 1969-10-28 | Beltone Electronics Corp | Process for making custom ear molds for in-the-ear hearing aids |
US3833701A (en) * | 1970-09-28 | 1974-09-03 | Marion Health And Safety Inc | Method of making an aural hearing protecting device |
CA977287A (en) * | 1972-05-17 | 1975-11-04 | Harold L. Kramer | Aural communications receiving device |
US4014971A (en) * | 1973-05-11 | 1977-03-29 | Perkins Rodney C | Method for making a tympanic membrane prosthesis |
US4098277A (en) * | 1977-01-28 | 1978-07-04 | Sherwin Mendell | Fitted, integrally molded device for stimulating auricular acupuncture points and method of making the device |
US4372904A (en) * | 1977-07-07 | 1983-02-08 | Gunn Dennis L | Method for making an ear plug |
US4472342A (en) * | 1978-05-31 | 1984-09-18 | Carr Peter J | Manufacture of a body cavity insert |
GB2084072B (en) * | 1980-09-18 | 1984-03-14 | Carr Peter Joseph | A method of forming an impression of the inside of an ear |
ATA312481A (de) * | 1981-07-15 | 1982-11-15 | Viennatone Gmbh | Verfahren zur herstellung eines ein in-ohr -hoergeraet aufnehmenden ohrmuldenkoerpers |
US4569812A (en) * | 1984-06-22 | 1986-02-11 | Beltone Electronics Corporation | Process for making a hearing aid vent |
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 |
US4617429A (en) * | 1985-02-04 | 1986-10-14 | Gaspare Bellafiore | Hearing aid |
US4652414A (en) * | 1985-02-12 | 1987-03-24 | Innovative Hearing Corporation | Process for manufacturing an ear fitted acoustical hearing aid |
DE8518681U1 (de) * | 1985-06-27 | 1986-06-12 | Siemens AG, 1000 Berlin und 8000 München | Hörhilfe |
-
1986
- 1986-05-16 DE DE8613336U patent/DE8613336U1/de not_active Expired
-
1987
- 1987-05-04 EP EP87106412A patent/EP0245741B1/de not_active Expired - Lifetime
- 1987-05-12 DK DK242687A patent/DK242687A/da not_active Application Discontinuation
- 1987-05-13 US US07/049,289 patent/US4834927A/en not_active Expired - Fee Related
- 1987-05-13 JP JP62118069A patent/JPS62279577A/ja active Pending
- 1987-05-14 CA CA000537143A patent/CA1267511A/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012215981B4 (de) | 2012-09-10 | 2020-07-30 | Audia Akustik Gmbh | Vorrichtung und Verfahren zur Herstellung eines Ohrpassstücks |
Also Published As
Publication number | Publication date |
---|---|
DE8613336U1 (de) | 1987-10-29 |
DK242687D0 (da) | 1987-05-12 |
EP0245741A1 (de) | 1987-11-19 |
US4834927A (en) | 1989-05-30 |
CA1267511A (en) | 1990-04-10 |
DK242687A (da) | 1987-11-17 |
JPS62279577A (ja) | 1987-12-04 |
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