EP1060640A1 - Prothese auditive - Google Patents

Prothese auditive

Info

Publication number
EP1060640A1
EP1060640A1 EP99904679A EP99904679A EP1060640A1 EP 1060640 A1 EP1060640 A1 EP 1060640A1 EP 99904679 A EP99904679 A EP 99904679A EP 99904679 A EP99904679 A EP 99904679A EP 1060640 A1 EP1060640 A1 EP 1060640A1
Authority
EP
European Patent Office
Prior art keywords
hearing aid
cover element
aid according
cover
sound
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
EP99904679A
Other languages
German (de)
English (en)
Other versions
EP1060640B1 (fr
EP1060640B2 (fr
Inventor
Hilmar Meier
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=8231507&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1060640(A1) "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
Priority to EP99904679A priority Critical patent/EP1060640B2/fr
Publication of EP1060640A1 publication Critical patent/EP1060640A1/fr
Publication of EP1060640B1 publication Critical patent/EP1060640B1/fr
Application granted granted Critical
Publication of EP1060640B2 publication Critical patent/EP1060640B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/021—Behind the ear [BTE] hearing aids
    • H04R2225/0213—Constructional details of earhooks, e.g. shape, material
    • 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
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/402—Arrangements for obtaining a desired directivity characteristic using contructional means
    • 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
    • H04R25/602—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of batteries
    • 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
    • H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
    • 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
    • H04R25/607—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of earhooks
    • 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

Definitions

  • the present invention relates to a hearing aid according to the preamble of patent claim 1.
  • Hearing aids have a sound entry opening for picking up ambient sounds and a sound exit opening for delivering the surrounding sounds processed in the hearing aid. It is of the utmost importance that the
  • Disturbing noises are in no way superimposed on disturbing noises, which are subsequently treated as ambient noises.
  • Disturbing noises can be caused by the fact that air currents at edges on or near the hearing aid break off (tear-off problem) or that air currents with different speeds and / or directions in the area immediately in front of the microphone membrane cause it to be moved (Gradient problem). These two causes can also occur in combination.
  • US Pat. No. 4,073,366 describes a cover element which is glued over the sound entry opening of a hearing aid.
  • the known cover element consists of several layers which are glued together at the edges and which are made of porous materials, with the aim of preventing disturbing noises from occurring at the edges of the inlet opening as a result of tearing off air currents.
  • the overall noise can be influenced only slightly, because of the cover element over the
  • the opening noise can be reduced due to the gradient problem, but not the noise that occurs due to the demolition problem.
  • the reason for this is that by attaching cover elements above the sound inlet opening to reduce flow stalls at their edges, new potential sources of noise are generated at the edges of the cover element itself. The source of noise has only been moved.
  • the present invention is therefore based on the object of specifying a hearing aid in which the Noise is reduced.
  • the invention has the following advantages: by integrating at least one cover element into the hearing aid itself and the surface-flush arrangement of the
  • Cover element in the hearing aid housing edges are avoided, which are otherwise a source of noise, which takes into account the demolition problem.
  • the gradient problem is also taken into account by the cover element being made of a porous, preferably an open-porous material and having a certain thickness.
  • an open-pored polyethylene is particularly suitable as the material for the cover elements.
  • the properties of the material can be characterized on the one hand by the filter fineness, which corresponds to the minimum particle size of the filtered particles, and on the other hand, by the open porosity, which corresponds to the ratio between the pore opening and the remaining area.
  • the filter fineness is also given approximately with d50 values, with 50% of the particles passing through the filter at the specified d50 value and 50% of the particles being retained. It has been found that the d50 values for the filter fineness between lO ⁇ m and 200 ⁇ m and the Open porosity is between 70 and almost 100%.
  • cover elements achieves a high level of reproducibility since there are no material transitions that can have a lasting effect on the acoustic properties of the overall system, because material transitions involve the risk that deviations from the acoustic standard behavior occur. Furthermore, both the manufacture and the assembly of the cover elements according to the invention in hearing aids is considerably simpler and therefore also more cost-effective.
  • an embodiment variant of the invention consists in that the cover elements made of a homogeneous material are covered with a thin permeable layer, for example Teflon.
  • a thin permeable layer for example Teflon.
  • Fig. 1 shows a longitudinal section through parts of a hearing aid according to the invention with inserted - 5 -
  • FIG. 3 shows a side view of a further embodiment of a hearing device according to the invention with an inserted cover element
  • FIG. 4 is a perspective view of the cover element according to FIG. 3,
  • Fig. 5 shows a longitudinal section through another
  • 6A and 6B show a section through or a plan view of an in-the-ear hearing device with a cover element according to the invention.
  • FIG. 1 shows a longitudinal section through a hearing aid according to the invention consisting of a reinforcing element VE and a hook element HE.
  • the hook element HE is detachable with the
  • Reinforcing element VE connected ie the hook element HE or the reinforcing element VE can be exchanged or replaced as desired.
  • the reinforcing element VE essentially the electronic processing of the acoustic signals (see arrow ES) is carried out, which - after processing - is transferred to the hook element HE (see arrow SS) or into a sound transmission channel UEK contained therein.
  • the reinforcing element VE of the hearing aid should not be discussed further at this point, since the invention is particularly directed to the equipment of the hook element HE.
  • the invention is not limited to hearing aids which consist of two parts, namely reinforcing element VE and hook element HE. Rather, the invention is particularly suitable for hearing aids that consist of only one housing part. In addition, the invention can be used both in ITE (in-the-ear) hearing aids and in BTE (behind-the-ear) hearing aids.
  • the outer shape of the reinforcing element VE is important: in particular in the transition area between the reinforcing element VE and the hook element HE - again in relation to the embodiment according to FIG. 1 - they have identical - but at least similar - contours and surface properties. Overall, the entire hearing aid according to the invention has no sharp edges so that no disturbing noises are generated. - 7 -
  • the hook element HE preferably does not contain any electronic components, but is there in particular to record ambient sounds as free of interference as possible and to transmit them in the direction of the arrow ES to the reinforcement unit VE.
  • the processed acoustic signals - in the direction of arrow SS - are transmitted through the sound transmission channel UEK in the hook element HE to a sound exit opening SA, where the acoustic signals enter the actual auditory canal of the hearing aid wearer.
  • a cover element DE is provided in the hook element HE, which covers the area of the sound entry opening SE from the outside environment, the cover element DE being integrated into the hook element HE such that there are no edges at the transition points between the hook element HE and the cover element DE, ie the cover element DE is integrated flush with the hook element HE.
  • the cover element DE is spherical towards the outside, but at least spherical sector-shaped. This means that there are no edges on the hearing aid side that can be sources of noise.
  • the materials used for the cover elements DE have a certain porosity, preferably a certain open porosity, which can be defined by the two parameters filter fineness and open porosity. Otherwise, the material used has a homogeneous structure according to an embodiment of the invention - 8th -
  • Called foam foamed polyurethane, sintered glass or sintered metal.
  • the cover element is made of a homogeneous material.
  • This layer is preferably made of Teflon. The advantages of such a layer are that the chemical resistance increases - 9 -
  • FIG. 2 shows, in perspective representation, the cover element DE according to the invention for the hearing aid according to FIG. 1.
  • An outward-facing surface AF and inward-facing surfaces IF can be seen.
  • the subdivision of the area AF into three partial areas has only been carried out for a clear representation of the surface curvatures and is otherwise of no significance. The same applies to the four partial areas of the inward area IF.
  • the cover element DE shown in FIG. 2 has good behavior in relation to the gradient effect due to the large volume. However, due to this large volume, there are restrictions with regard to the acoustic impedance and with respect to the - 10 -
  • FIG. 3 shows - like FIG. 1 - a hearing aid according to the invention in longitudinal section, the same reference numerals being used for the individual parts as were already used for the hearing aid according to FIG. 1.
  • the cover element DE is rounded off in the edge region in this embodiment.
  • the recess in the hook element HE for receiving the cover element DE has been adapted to its outer shape.
  • This embodiment of the invention has the additional advantage that a more compact and thus more stable construction is achieved than in the embodiment variant according to FIG. 1.
  • the cover element DE is now embraced by the hook element HE such that the freedom of movement of the cover element DE is restricted in the radial direction becomes.
  • the cover element DE can be moved perpendicular to the cutting plane according to FIG. 3.
  • FIG. 4 shows the cover element DE, which can be inserted into the hearing aid according to FIG. 3.
  • the cover element DE according to FIG. 4 is designed as a shell, ie the outward-facing surfaces remain unchanged, but the volume made of porous material is reduced. at - 11 -
  • the filter fineness is preferably chosen between 10 to 40 ⁇ m, the thickness of the bowl being at least 0.5 mm.
  • FIG. 5 is an embodiment of a
  • the two microphones M1 and M2 are arranged under the same cover element DE.
  • the cover element DE is designed as a shell and delimits a space V which has sound entry openings SEI and SE2, in the vicinity of which one of the microphones M1 and M2 are arranged.
  • volume V in front of the microphones Ml and M2 are identical. Unavoidable contamination on the outward surface of the cover element DE has the same effects on both microphones Ml and M2.
  • FIG. 6 shows an in-the-ear (ITE) hearing aid, a cross section being shown in FIG. 6A and a top view in FIG. 6B.
  • DE again designates the cover element, by means of which a sound entry opening SE is covered. Furthermore is - 12 -
  • a sound channel UEK can be seen through which the sound waves are conducted to a microphone M.
  • a battery BT and a housing E containing the electronics are also shown in FIG. 6A.
  • 6B shows the cover element DE, which in this embodiment is preferably designed as a spherical sector.
  • the ITE embodiment according to FIG. 6 differs primarily by a different arrangement of the individual hearing aid components. However, this does not deviate from the principle according to the invention.
  • the above statements relate to hearing aids whose sound inlet openings are provided with a corresponding cover element.
  • the sound outlet opening is additionally provided with a cover element. This creates a hearing aid that is not only optimal in terms of acoustic behavior, but in particular is also armed against any external influences.
  • cover elements that are used to cover other ventilation openings.
  • cover elements that are used to cover other ventilation openings.
  • cover elements For example, when using zinc-air batteries, it must be ensured that air access is guaranteed.
  • the ones explained above are also suitable here - 13 -
  • cover element is preferably integrated flush with the surface of the hearing aid housing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Manufacturing & Machinery (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Adornments (AREA)
  • Finger-Pressure Massage (AREA)
  • Headphones And Earphones (AREA)
  • Casings For Electric Apparatus (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
EP99904679A 1998-03-02 1999-03-01 Prothese auditive Expired - Lifetime EP1060640B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99904679A EP1060640B2 (fr) 1998-03-02 1999-03-01 Prothese auditive

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP98103587 1998-03-02
EP98103587A EP0847227B1 (fr) 1998-03-02 1998-03-02 Prothèse auditive
PCT/CH1999/000093 WO1999045744A1 (fr) 1998-03-02 1999-03-01 Prothese auditive
EP99904679A EP1060640B2 (fr) 1998-03-02 1999-03-01 Prothese auditive

Publications (3)

Publication Number Publication Date
EP1060640A1 true EP1060640A1 (fr) 2000-12-20
EP1060640B1 EP1060640B1 (fr) 2003-01-22
EP1060640B2 EP1060640B2 (fr) 2007-03-14

Family

ID=8231507

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98103587A Revoked EP0847227B1 (fr) 1998-03-02 1998-03-02 Prothèse auditive
EP99904679A Expired - Lifetime EP1060640B2 (fr) 1998-03-02 1999-03-01 Prothese auditive

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP98103587A Revoked EP0847227B1 (fr) 1998-03-02 1998-03-02 Prothèse auditive

Country Status (8)

Country Link
US (2) US6574343B1 (fr)
EP (2) EP0847227B1 (fr)
JP (1) JP4608095B2 (fr)
AT (1) ATE231678T1 (fr)
AU (1) AU2508999A (fr)
DE (2) DE59809366D1 (fr)
DK (2) DK0847227T3 (fr)
WO (1) WO1999045744A1 (fr)

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US9973867B2 (en) 2011-01-18 2018-05-15 Advanced Bionics Ag Moisture resistant headpieces and implantable cochlear stimulation systems including the same

Also Published As

Publication number Publication date
US7372973B2 (en) 2008-05-13
US6574343B1 (en) 2003-06-03
DK1060640T4 (da) 2007-05-29
EP0847227A2 (fr) 1998-06-10
DK1060640T3 (da) 2003-04-22
JP2002506335A (ja) 2002-02-26
DK0847227T3 (da) 2003-12-22
DE59904091D1 (de) 2003-02-27
EP0847227A3 (fr) 1998-10-21
JP4608095B2 (ja) 2011-01-05
EP1060640B1 (fr) 2003-01-22
ATE231678T1 (de) 2003-02-15
US20030142843A1 (en) 2003-07-31
DE59809366D1 (de) 2003-10-02
AU2508999A (en) 1999-09-20
WO1999045744A1 (fr) 1999-09-10
EP0847227B1 (fr) 2003-08-27
EP1060640B2 (fr) 2007-03-14

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