EP1562400B1 - Austauschbare Hörerschutzmembran für Hörgerate - Google Patents

Austauschbare Hörerschutzmembran für Hörgerate Download PDF

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Publication number
EP1562400B1
EP1562400B1 EP20050010122 EP05010122A EP1562400B1 EP 1562400 B1 EP1562400 B1 EP 1562400B1 EP 20050010122 EP20050010122 EP 20050010122 EP 05010122 A EP05010122 A EP 05010122A EP 1562400 B1 EP1562400 B1 EP 1562400B1
Authority
EP
European Patent Office
Prior art keywords
membrane
carrier
elastic
mounting tool
hearing aid
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.)
Active
Application number
EP20050010122
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1562400A3 (de
EP1562400A2 (de
Inventor
Erdal Karamuk
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
Application filed by Phonak AG filed Critical Phonak AG
Priority to EP20050010122 priority Critical patent/EP1562400B1/de
Priority to DE200550004761 priority patent/DE502005004761D1/de
Priority to DK05010122T priority patent/DK1562400T3/da
Publication of EP1562400A2 publication Critical patent/EP1562400A2/de
Publication of EP1562400A3 publication Critical patent/EP1562400A3/de
Application granted granted Critical
Publication of EP1562400B1 publication Critical patent/EP1562400B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04R25/654—Ear wax retarders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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 a device as a hearing aid for wearing in the ear or in or on the ear canal according to the preamble of claim 1, a method for producing a protective element for a device, a mounting tool for the assembly and the removal of the protective element on or from a hearing aid and a method for mounting a protective element.
  • a rigid, non-sound permeable (rigid, non-sound permeable) membrane is described, which hermetically seals the sound outlet opening of an in-ear hearing aid.
  • the membrane is picked up by the listener vibrates, producing sound waves that are similar in frequency and amplitude.
  • a hearing aid in which the listener is closed off by a membrane from the eardrum. It is proposed a thin titanium membrane, which can be placed by means of a cap on the sound outlet pipe of the hearing aid.
  • the thin titanium membrane is also designed by appropriate surface embossing and a concave or convex shape as an acoustic filter or acoustic lens.
  • WO-A-0045617 describes a treatment device having a sound outlet, which is sealed by an acoustically transparent waterproof film.
  • the DE 101 04 129 A1 describes a hearing aid with a filter unit containing a membrane or sieve-like filter element.
  • the filter element is designed inclined.
  • a similar arrangement is also in the DE 102 14 189 B4 described. Here is arranged a relatively large membrane parallel to the ear canal axis and sonicated with a handset. The radiated sound is then radiated through a small slit on the face of the hearing aid shell to the eardrum.
  • EP 0 629 101 A1 describes a membrane that not only surrounds the sound input and output ports, but also forms the outermost skin of the hearing aid shell and can be adapted by pouring the interior of the anatomy of the ear canal. This membrane is not interchangeable, but an integral part of the shell.
  • the EP 0 548 580 A1 describes a handset for hearing aids, which is protected with an outer membrane against cerumen and moisture. Again, the membrane is not interchangeable but an integral part of the listener.
  • the EP 1 434 464 A1 describes a hearing aid in which the sound outlet opening is enclosed by a membrane made of an elastic and flexible thermoplastic elastomer.
  • WO 00/03561 A describes a cerumen protection for an in-the-ear hearing aid and a corresponding tool for the assembly and the removal of the cerumen protection.
  • the tool consists of a rod-shaped body, at the first end of the mounting tool and at the second end of the disassembly tool is arranged.
  • the dismantling tool in this case has a gripping or latching member. When inserting the disassembly tool into the interior of the wax guard, the cerumen guard can be removed from the hearing aid by means of the gripping or latching member.
  • the transmission properties of large membranes are better than those of small ones.
  • the maximum diameter is limited by the ear canal geometry, or the desired “fitting rate”.
  • the membrane thickness and the material properties also have an influence on the sound transmission. So, this is true Optimize factors for a given diameter to achieve optimal sound transmission.
  • a membrane as a hearing protection must be acoustically coupled to the listener so that abrupt cross-sectional changes and thus impedance jumps are avoided.
  • the handset is attached to the shell of the hearing aid via a sound tube. It must therefore be found a mechanical coupling of the tube diameter, which is usually about half of the membrane diameter to the membrane, taking into account the above points.
  • a cerumen protection system therefore has to be so easy to assemble that no additional time is required in the laboratory.
  • the membrane In the event that the membrane is heavily soiled or damaged, it must be possible to replace it.
  • the replacement of the membrane should be possible not only for the service technician but also for the hearing care professional or the hearing aid wearer. It must therefore be provided a tool that allows the insertion as well as the removal of the membrane. It is important to ensure that the filigree membrane is not damaged when inserting and no dirt can get into the sound outlet when removing.
  • the present invention has the object to supply the above-mentioned five problem areas at least partially a solution.
  • the present invention proposes a device according to the wording of claim 1.
  • Proposed is a device as a hearing aid, worn in the ear or in or on the ear canal, comprising at least one acoustic or acoustic outlet opening with a protective element to prevent contamination of the hearing aid, wherein the protective element is a thin, at least almost flexible or elastic membrane, for example an elastomer or a thermoplastic polymer.
  • the protective element is arranged at least largely integrally embedded in the wall of a housing or a protective shell of the device or the hearing aid.
  • the protective element has an at least approximately circular, cylinder-like body or carrier, consisting of a preferably thermally conductive material, wherein the one opening of the body or carrier, preferably that of the device outwardly directed opening of the flexible Membrane is covered or completed.
  • the surface of the inner passageway of the carrier or of the cylinder is designed conically such that the diameter of the inner passage is tapered from the outer opening, covered by the membrane against the opening, directed against the interior of the hearing aid.
  • the membrane is preferably made of an elastomeric or elastomeric polymer, such as polyurethane, synthetic rubber, butadiene-styrene copolymer, silicone rubber, etc.
  • the membrane has a thickness of ⁇ 30 ⁇ m, preferably ⁇ 20 ⁇ m, such as about 15 ⁇ m.
  • the annular cylinder or support is preferably made of a metal material such as stainless steel. Alternatively, a plastic compatible with the manufacturing methods described below may be used.
  • a method for manufacturing a protective element for a device as described above.
  • a film of an elastic or flexible polymer is placed on a substrate, then the cylindrical body or carrier, consisting of thermally conductive material is guided against the membrane, wherein either the film or the cylinder-like body or carrier is heated.
  • the body or support is pressed against the membrane whereupon it is welded by the terminal body or support edge and simultaneously removed from the film, which is made possible by appropriate design of the support cross-section.
  • the cylinder-like body or carrier with the membrane is removed again from the film and can now be introduced into a hearing aid as a protective element or arranged in the housing wall.
  • FIG. 1a schematically shows a sketch of the standard structure of the eardrum end of an in-ear hearing aid 1 with a recessed in the housing 3 membrane wax cover 10.
  • the cerumen 10 is placed directly into a designated recess 11 in the housing or shell 3.
  • the recess 11 is an integral part of the housing wall or shell 3 and is constructed together with the shell.
  • the recess 11 may be configured as a separate component 20, which is mounted in a designated bore 22 in the shell 3, as in FIG. 2a is shown.
  • At the lower end of the recess 11 is an opening 21 into which the sound tube 7 is glued. This tube also holds the handset 5 in position.
  • the receiver 5 is additionally surrounded by a bearing 9, which is intended to dampen mechanical vibrations.
  • a ventilation equalization channel 17 is also visible to allow pressure equalization with the inner ear to the outside.
  • FIG. 1b shows the corresponding structure for a closed handset module 4, which can be used in an in-ear hearing aid as in US Pat. No. 6,813,364 B1 described, or which can be used as an external speaker of a rear earpiece in the ear.
  • the earphone 12 is enclosed by elastic bearings 14 in a housing 6 which has a sound exit opening 11 which is designed so that the protective element 10 can be inserted and thus the membrane 15 forms the outermost end of the system.
  • FIG. 2b again schematically shows a sketch of the membrane wax guard 10 in section.
  • the membrane 15 is mounted on a support 13, which is inserted into the cavity 11.
  • the cavity 11 has the corresponding depth that the membrane 15 is flush with the housing surface.
  • the carrier 13 on the outside has a non-constant cross-section 13, ie provided is a lateral step 18, which rests on a corresponding saddle in the cavity 11 and an inner step 57 which allows the replacement.
  • the inner opening of the carrier in particular from the small tube diameter 21 to the larger outer diameter, covered by the membrane 15, is conical.
  • the conical surface is provided with the reference numeral 19.
  • FIG. 3 shows a typical frequency response of an in-ear hearing aid with and without membrane. It can be seen that a broadband attenuation of about 2 dB is achieved by the membrane. This is due to the internal damping of the membrane material and the inertia of the membrane. It must therefore be taken into account in the hearing aid adjustment a corresponding reserve to compensate for the membrane damping.
  • FIG. 4 schematically shows a possible application of a membrane on a support 13 for the preparation of a corresponding protective element 10.
  • a film 33 is placed, consisting of that polymer which is suitable for forming the membrane.
  • a gripping element 35 of the carrier 13 is held and lowered against the arranged on the base 31 film 33.
  • the film material is sintered or welded on the edge 37.
  • This can be done either by heating the film 33 on the substrate 31, or by heating the preferably made of a thermally conductive material carrier 13.
  • the membrane 15 is arranged on the carrier 33 and the protective element can be embedded in the cavity of a Hörowskiwandung. This process will now be described below with reference to Figures 5 ff be described in more detail.
  • FIG. 5 shows in perspective a tool or assembly tool 41, by means of which the CerumenschutzElement can be arranged both in the housing wall, as well as can be removed again from this.
  • the tool has two correspondingly configured ends 43 and 45. It shows FIG. 6 the end 43, which is provided for the assembly or the introduction of Cerumenschutzes in the housing.
  • the tool has a circular cylinder-like end 49, which corresponds approximately to the diameter of the upper or outer edge 37 of the cerumen guard. Slightly set back from the end of an elastic jacket 47 is provided, which extends beyond embracing the end 49 outside.
  • This elastic coat is dimensioned such that an external gripping the outer contour of the upper edge 37 of the protective element in the region of the membrane is possible.
  • the elastic sheath 47 may be made of the same material as the end 43 and have resilient properties by appropriate design, or it may be made of a rubber-elastic material such as an elastomer or a thermoplastic elastomer and mounted as an additional component on the end 43, or be integral with it, for example via a 2K injection molding process.
  • a rubber-elastic material such as an elastomer or a thermoplastic elastomer and mounted as an additional component on the end 43, or be integral with it, for example via a 2K injection molding process.
  • the description refers to a rubber jacket.
  • FIG. 8 On the assembly itself should be referring to FIG. 8 be discussed in more detail.
  • FIG. 7 The opposite end of the tool 41 is in FIG. 7 represented where a cylinder-like disassembly 51 is disposed at the end 45 of the tool 41.
  • the dismantling element 51 preferably has a latching element 53 at the end, with respect to its function with reference to FIG FIG. 9 will be discussed in more detail.
  • FIG. 8 shows now with reference to the three representations a), b) and c) the assembly process for the insertion of a protective element 10 in the cavity 11 of an in-ear hearing aid.
  • FIG. 8a the cerumen protection or the carrier 13 held by the outside encompassing rubber-elastic jacket 47 of the tool 41.
  • FIG. 8b shows the insertion of the carrier 13 in the cavity 11, wherein now the outer encompassing rubber sheath 47 abuts the housing wall 3.
  • the sheath 47 can be compressed during insertion of the carrier 13, as in FIG. 8c shown.
  • the tool 41 can be lifted upwards without the element being removed from the cavity 11 again.
  • the dismantling element 51 is moved with the terminal latching member 53 against the diaphragm 15 of the protective element, and pressed together with the membrane against the lower tapered opening 21 in the body or carrier 13. Due to the high tensile strength of the membrane 15, this is not pierced or severed but stretched with the disassembly 51, which is advantageous in order to prevent contamination of the listener in the hearing aid.
  • the laterally projecting latching members 53 engage in corresponding recesses 57 in the inner wall of the carrier 13, with which now the protective element can be pulled out of the cavity 11.
  • the cerumen protection can also be replaced by a person who uses the hearing aid.
  • illustrated devices, elements and tools are only examples, which can be modified, modified or supplemented by further elements in any desired manner.
  • suitable materials for the preparation of the membrane instead of the aforementioned polymer materials.
  • the support or body of the cerumen protective element can also be produced from any suitable materials, preferably using a material which is highly thermally conductive and heat-resistant, such as a fiber-reinforced polymer, for facilitating the simplified application of the membrane to the support, as described below in reference to FIG. 4 explained in more detail.
  • the tool described with reference to the FIGS. 5 to 7 is merely an example that does not necessarily have to be rod-shaped.
  • a rubber-like material such as a kind of rubber hose is arranged to arrange the protective element in the hearing aid
  • a disassembly element or a gripping element may be provided, for example, the terminal a rough contour has to attacking in the inner cone of the wearer or body to remove this again from the hearing aid.

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)
  • Details Of Audible-Bandwidth Transducers (AREA)
EP20050010122 2005-05-10 2005-05-10 Austauschbare Hörerschutzmembran für Hörgerate Active EP1562400B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20050010122 EP1562400B1 (de) 2005-05-10 2005-05-10 Austauschbare Hörerschutzmembran für Hörgerate
DE200550004761 DE502005004761D1 (de) 2005-05-10 2005-05-10 Austauschbare Hörerschutzmembran für Hörgerate
DK05010122T DK1562400T3 (da) 2005-05-10 2005-05-10 Udskiftelig hörebeskyttelsesmembran til höreapparater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20050010122 EP1562400B1 (de) 2005-05-10 2005-05-10 Austauschbare Hörerschutzmembran für Hörgerate

Publications (3)

Publication Number Publication Date
EP1562400A2 EP1562400A2 (de) 2005-08-10
EP1562400A3 EP1562400A3 (de) 2005-12-28
EP1562400B1 true EP1562400B1 (de) 2008-07-23

Family

ID=34673779

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050010122 Active EP1562400B1 (de) 2005-05-10 2005-05-10 Austauschbare Hörerschutzmembran für Hörgerate

Country Status (3)

Country Link
EP (1) EP1562400B1 (da)
DE (1) DE502005004761D1 (da)
DK (1) DK1562400T3 (da)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9749759B2 (en) 2013-11-20 2017-08-29 Sonova Ag Sound tube for an earpiece, sound tube arrangement, earpiece with such a sound tube or sound tube arrangement and hearing device with such an earpiece
EP3195839B1 (en) * 2009-12-22 2022-04-06 Sonova AG Ear protector with a sound damping filter, sound damping filter for such an ear protector

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8379899B2 (en) 2004-11-01 2013-02-19 Sonion Nederland B.V. Electro-acoustical transducer and a transducer assembly
DE102006043153A1 (de) * 2006-09-14 2008-03-27 Siemens Audiologische Technik Gmbh Reinigungswerkzeug für ein Hörgerät
DE102008038213B8 (de) * 2008-08-18 2010-02-11 Siemens Medical Instruments Pte. Ltd. Hörhilfegerät mit einer Wandlerschutzeinrichtung
DE102010006454A1 (de) * 2010-02-01 2011-08-04 Siemens Medical Instruments Pte. Ltd. Werkzeug zum Montieren und Demontieren eines Hörers eines Hörgeräts
DE102011120391A1 (de) * 2011-12-06 2013-06-06 Valeo Schalter Und Sensoren Gmbh Ultraschallsensor für ein Kraftfahrzeug, Kraftfahrzeug und Verfahren zum Herstellen eines Ultraschallsensors
CN111557099B (zh) * 2017-11-28 2022-04-26 索诺瓦公司 耳垢过滤器施设器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3616637A1 (de) * 1986-05-16 1987-11-19 Siemens Ag Vorrichtung zum aufschrauben eines deckels auf einen schraubstutzen eines hoergeraetes
DE3736591C3 (de) * 1987-04-13 1994-04-14 Beltone Electronics Corp Hörgerät mit Ohrschmalzschutz
CA2052423A1 (en) * 1991-09-26 1993-03-27 Manfred Karl Garbe Hearing aid wax guard with integral bridge
US6205227B1 (en) * 1998-01-31 2001-03-20 Sarnoff Corporation Peritympanic hearing instrument
US6134333A (en) * 1998-03-17 2000-10-17 Sonic Innovations, Inc. Disposable oleophobic and hydrophobic barrier for a hearing aid
DK174632B1 (da) * 1998-07-10 2003-07-28 Toepholm & Westermann Ørevoksfang til i-øret-høreapparat samt hjælpemiddel til brug ved dets isætning og udtagning
ATE394020T1 (de) * 2002-12-23 2008-05-15 Sonion Roskilde As Eingekapselter hörer mit einem expandierbaren mittel wie z.b. einem ballon

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3195839B1 (en) * 2009-12-22 2022-04-06 Sonova AG Ear protector with a sound damping filter, sound damping filter for such an ear protector
US9749759B2 (en) 2013-11-20 2017-08-29 Sonova Ag Sound tube for an earpiece, sound tube arrangement, earpiece with such a sound tube or sound tube arrangement and hearing device with such an earpiece

Also Published As

Publication number Publication date
EP1562400A3 (de) 2005-12-28
DE502005004761D1 (de) 2008-09-04
EP1562400A2 (de) 2005-08-10
DK1562400T3 (da) 2008-11-10

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