EP2866473B1 - Prothèse auditive, système auditif et procédé de montage d'un système auditif - Google Patents

Prothèse auditive, système auditif et procédé de montage d'un système auditif Download PDF

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Publication number
EP2866473B1
EP2866473B1 EP14190519.0A EP14190519A EP2866473B1 EP 2866473 B1 EP2866473 B1 EP 2866473B1 EP 14190519 A EP14190519 A EP 14190519A EP 2866473 B1 EP2866473 B1 EP 2866473B1
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EP
European Patent Office
Prior art keywords
tube
otoplastic
receiver
sound
ear mold
Prior art date
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Active
Application number
EP14190519.0A
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German (de)
English (en)
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EP2866473A2 (fr
EP2866473A3 (fr
Inventor
Alexander Maier
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ISMA AG
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ISMA AG
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Publication of EP2866473A3 publication Critical patent/EP2866473A3/fr
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    • 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
    • H04R25/65—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

Definitions

  • the present invention relates to an earmold for use with a behind-the-ear hearing aid or an ex-earphone device having a sound tube inserted therein or a receiver inserted therein with a receiver line extending from the listener, and a hearing system comprising a includes such earmold.
  • the invention further relates to a method for mounting the two hearing systems mentioned above (behind-the-ear hearing system or Ex-earphone system).
  • the invention relates to a specially designed earmold.
  • Hearing aids not only allow hearing-impaired people to communicate with others with ease, but also to improve the perception of their whole environment.
  • Hearing instruments are primarily intended to compensate for the hearing loss suffered by different events or factors and thus to give the affected persons a piece of quality of life back.
  • Modern hearing systems are essentially divided into four categories. So there are in-the-ear hearing systems (IdO hearing systems), which are worn directly in the ear canal. The entire technology of the hearing system is in the ear, so to speak, whereby in-the-ear hearing systems are almost invisible from the outside. Another category concerns the so-called hearing glasses, which are mounted using special adapter on the temple or even integrated in the temple.
  • Behind-the-ear (BTE) hearing systems are behind-the-ear systems. With these devices, the technology is behind the ear. The hearing aid sitting behind the ear is connected to the ear via a small sound tube and an earmold, the so-called earmold, which is specially adapted to the auricle of the affected person.
  • the fourth category is so-called ex-listener systems. Similar to BTE hearing systems, the technique is behind the ear except for the listener (listener).
  • the outsourced handset (ex-receiver) is located in the ear canal and is connected to the earmold there. With the hearing aid sitting behind the ear, the listener is connected to an electrical handset or cable line (instead of the sound tube in BTE hearing aids) connected.
  • the present invention relates exclusively to BTE hearing systems and Ex-earphone systems.
  • the behind-the-ear hearing aid of both BTE hearing systems and Ex-earphone systems is equipped with a micro-computer which, depending on the equipment, can also distinguish between noise and speech.
  • small directional microphones are installed, so as to provide in social situations for optimal communication.
  • This type of hearing aid is now suitable for almost all types of hearing loss and ensures an almost distortion-free and faithful reproduction of the sound.
  • the dimensions of the commercially offered handset differ in some cases significantly from each other. So there are manufacturer-related deviations, but also the performance of the listener can cause differences in size. This means that in the case of a change in the hearing ability of the person concerned and the consequent need for replacing the handset and device, an otoplasty must be made again. But even during the habituation phase, during which the adaptation of the hearing aid to the wishes and the hearing of the persons who have possibly opted to wear a hearing aid for the first time takes place, it is not uncommon for the acoustician to change the hearing aid, and thus also the listener or the change to the BTE variant (with sound tube) recommends.
  • the object of the invention is to eliminate the disadvantages perceived in the prior art and to provide an earmold and a hearing system comprising this earmold, which provides compatibility with listeners of different manufacturers and thus of different sizes. It is likewise an object of the present invention to provide an earmold and a hearing system comprising this earmold, which allows a change to a BTE hearing aid with a sound tube. It is also an object of the present invention to provide a method of assembling a hearing system which offers the advantages mentioned above.
  • a first aspect of the invention relates to an earmold for use with a behind-the-ear hearing device or an ex-earphone device having a sound tube inserted therein or a receiver inserted therein with a receiver line extending from the listener, wherein in radial Direction between the sound tube or the earpiece and the earmold a stretchable adapter is provided, and which is characterized in that the adapter is a horn tube.
  • the sound tube or the handset is connected to the horn tube via a frictional connection.
  • the horn tube is made of a polymeric material.
  • the horn tube has a varying over its length outer diameter of 2.9 mm to 3.7 mm with a constant tube thickness of 0.4 mm.
  • a second aspect of the invention relates to a hearing system that includes a behind-the-ear hearing device or an ex-earpiece device and an earmold described above, wherein the behind-the-ear hearing device through the sound tube with the earmold or Ex -Hörer device through the handset and the handset line is connected to the earmold.
  • a third aspect of the invention relates to a method for assembling a hearing system comprising a behind-the-ear hearing device, an earmold and a sound tube connecting the earmold to the behind-the-ear hearing device, or an ex-earphone device , a handset, a handset line connecting the handset to the ex-listener device, and an earmold into which the handset is inserted.
  • the method comprises the steps of: inserting the sound tube or the earphone into a distensible horn tube, and inserting the horn tube into the otoplastic such that the sound tube or the earphone is substantially flush with a sound exit end of the earmold.
  • the step of inserting the sound tube or the earpiece into the horn tube is accomplished by inserting the sound tube or earpiece through a first open end of the horn tube until the sound tube or earpiece at least partially within the horn tube is arranged, and in which the step of inserting the adapter is performed in the earmold that the horn tube is first inserted with its second end through the sound inlet end of the earmold and passed so far until the sound tube or the receiver is substantially flush with the sound exit end the earmold is. Furthermore, the method according to of this embodiment, the step: separating the over the sound exit end of the otoplastic projecting portion of the horn tube, such that the severed end of the horn tube is substantially flush with the sound exit end of the earmold.
  • the method further comprises the step of: bonding the horn tube to the otoplastic in the region of the sound exit end, before the portion of the horn tube projecting beyond the sound exit end of the otoplastic is cut off.
  • the method further comprises the steps of: inserting a filter sleeve through the first open end of the horn tube prior to insertion of the sound tube or the earphone, and inserting a filter into the filter sleeve after the portion of the horn tube projecting beyond the sound exit end of the ear mold has been severed is.
  • a hearing aid 40 to be worn behind the ear for simplicity hereinafter also referred to as BTE hearing aid.
  • BTE hearing aid also referred to as BTE hearing aid.
  • they comprise an earmold 10 adapted to the inner workings and / or the inner geometry of the auricle and of the ear canal. While an ear impression was made earlier by the auricle and then the earmould was fabricated by means of casting technology, nowadays 3D printing processes are used for the manufacture of the earmold 10 for use.
  • the earmold 10 is connected to the BTE hearing aid 40 via an electrical receiver line (cable strand) 30.
  • a receiver 20 (speaker) is firmly inserted in the earmold 10.
  • the sound received by the BTE hearing aid 40 is first amplified.
  • the sound signals are then transmitted via the handset line 30 to the handset 20 and delivered from this to the eardrum.
  • the earmold 10 together with the earpiece 20 does not change its position during chewing movements as well as speaking, yawning, etc.
  • the handset In the BTE hearing systems, which are distinguished in practice from Ex-earphone systems, the handset is integrated in the BTE hearing aid.
  • the sound received by the BTE hearing aid is amplified in it and emitted by the listener into a sound tube.
  • the sound tube which is connected on the one hand with the BTE hearing aid and the other with the earmold, passes the sound to the earmold and from there to the eardrum on.
  • BTE hearing aids are not shown in the figures, the invention is also applicable to such hearing aids.
  • a hearing aid may u.U. be required to test hearing instruments from different manufacturers. Since the listener of different manufacturers can have different dimensions, and the handset is accurately inserted in the earmold to just just to avoid a shift of the earpiece when wearing the earmold, when changing the handset from a manufacturer to a handset of another manufacturer or when Change to a BTE hearing aid with a sound tube again an otoplasty be made. This is inevitably associated with increased costs.
  • a stretchable adapter in shape a horn tube 50 is provided between the earpiece 20 and the earmold 10.
  • the passageway 13 is disposed in an extension 12 of the earmold 10. This extension 12 is located when wearing the earmold 10 in the ear canal of the person.
  • an earmold 10 which has the above-mentioned extension 12 and ear-shell structures 18a, 18b extending therefrom. These structures 18a, 18b and the extension 12 are adapted to fit the auricle of the person wearing the earmold.
  • a ventilation hole 17 which is arranged on the side of the extension 12 facing the auditory canal and continuously through it. This vent hole 17 provides a more comfortable fit of the earmold 10, which would otherwise completely close the ear canal of the person without the vent hole 17. Especially those who wear hearing aids for the first time find this uncomfortable.
  • FIG. 2 It can also be seen that an opening for receiving the receiver 20 (in the case of BTE hearing systems of the sound tube) is arranged adjacent to the ventilation hole 17.
  • the receiver 20 In the Fig. 2 shown opening corresponds to the sound outlet end 11 of the through-channel 13 ( Fig. 3 ).
  • the receiver 20 In the passage 13, the receiver 20 is fixed.
  • an extensible adapter in the form of a horn tube 50 is used to fix the receiver 20.
  • the presentation of the Fig. 3 is essentially the same as the Fig. 2 , However, in Fig. 3 to see the horn tube 50 at a time before it is flush with the sound exit end 11 of the passage channel 13 is separated.
  • a recess 14 and a slot 16 can be seen.
  • the horn tube 50 which is preferably made of a flexible material, more preferably made of a polymeric material, differently sized earphone 20 (or sonic tubes) can be inserted into the passageway 13 of the earmold 10 and fixed in a simple manner, so that in particular the Otoplastik 10 wearing person hearing aids (handset 20, handset 30 and hearing aid 40) from different manufacturers can test without having to make a new earmold 10 every time.
  • the horn tube 50 used for mounting the earphone 20 in the earmold 10 preferably has a length of about 40 mm. Similar to a horn, over this length its outside diameter preferably varies between about 2.9 mm and 3.7 mm. Its thickness, preferably about 0.4 mm, preferably remains constant over this length. Its inner diameter preferably varies between 2.1 mm and 2.9 mm.
  • the handset 20 may be partially or completely received in the horn tube.
  • Fig. 4 is shown in the installation of the hearing aid first preferably a filter sleeve (not shown) through an open end 52 of the horn tube 50, preferably the end of larger diameter, passed and then the receiver 20 through the same open end 52 so far in the Horn tube 50 is inserted until the receiver 20 is adjacent to the filter sleeve.
  • the receiver 20 may be completely or only partially accommodated in the horn tube 50.
  • the receiver line (cable line, cable strand) 30 firmly connected to the receiver 20 now projects out of the horn tube 50.
  • the other end 54 ( Fig. 3 ) of the horn tube 50 preferably the smaller diameter end, which may be sharpened, for example, pushed through the passageway 13 and through the earmold 10, and although so that the end 54 of the horn tube 50 passes first through the sound inlet end 15 and then through the sound outlet end 11 of the passage channel 13.
  • the horn tube 50 is now pushed so far through the earmold 10 until the filter sleeve (or if no filter sleeve is used, the handset 20, more precisely the distal end of the earphone) is flush with the sound exit end 11 of the earmold 10.
  • the handset line (the sound tube) 30 is aligned correctly, that is, the handset line (the sound tube) so runs when inserted in the ear canal otoplasty that the proximal end of the earphone line 30 (sound tube) facing away from the earmold 10 comes to rest behind the auricle.
  • the handset line (the sound tube) 30 is then already passed through the preferably provided in the earmold 10 slot 16 and the recess 14 to avoid possible pressure points in the region of the pinna (especially on the tragus) through the handset line (the sound tube) 30 ,
  • an adhesive preferably a superglue
  • the adhesive is then evenly distributed in the space along the inner surface of the passageway 13. Only then is the protruding part of the horn tube 50 preferably separated with a scalpel.
  • a filter for example, an HF4 filter
  • a filter from the sound-emitting end 11 of the earmold 10 is inserted into the filter sleeve.
  • otoplasty 10 in the through-channel 13, the filter sleeve including filter and receiver 20 with adjoining handset 30 (in the case of BTE hearing aid only filter sleeve including filter and sound tube) are firmly inserted, then with the hearing aid 40th connected, in-that that the earmold 10 remote from the end of the handset line (the sound tube) 30 is connected to the hearing aid 40.
  • the size of the horn tube 50 is preferably selected to provide an interference fit between the earphone 20 (or sound tube) and the horn tube 50 upon insertion of the earpiece (or sound tube) 20 into the horn tube 50. This interference fit is due to the enlarged diameter portion of the horn tube 50 in the region of the end 52 in Fig. 4 indicated.
  • FIG. 5 an earmold 10 according to another aspect of the invention is shown.
  • the earmold 10 has as in the FIGS. 1-3 Otoplastik 10 shown a projection 12 and extending therefrom auricle structures 18a, 18b. These structures 18a, 18b and the extension 12 are adapted to fit the auricle of the person wearing the earmold. Not to be seen in Fig. 5 are the passage 13 and the preferred ventilation hole 17th
  • the earmold 10 has a recess 14 and a preferably extending to an outer edge 19 slot 16, which preferably has a width, so that easy passage of the handset line (or the sound tube) 30 through the slot 16 is possible.
  • the width of the slot 16 is approximately equal to the diameter of the listener line (or sonic tube) and is in a range of 2-7 mm.
  • the recess preferably extends in the distal direction almost to the sound inlet end 15 of the through-channel 13.
  • the shape of the recess is preferably circular, circular arc or elliptical.
  • the shape and size of the recess 14 depend significantly on the angle between the longitudinal axis of the passageway 13 and a central axis of the other auricular structures 18a, 18b. In other words, the shape and the size of the recess 14 depend significantly on the angle between the ear canal and the central axis of the auricle.
  • the insertion of the handset 20 (with or without horn tube 50) (or the sound tube) can cause difficulties. Due to the relatively small size of the earmold 10, the earphone 20 without a recess 14 can no longer be inserted in a straight manner into the through-channel 13 and thus not aligned in the exact position in the direction of the eardrum. With the recess 14 of the handset 20 (or the sound tube) is simply pushed through the recess 14 and inserted into the passageway 13.
  • a continuous slot 16 extends from the recess 14 to the outer edge 19 of the earmold 10.
  • the outer edge 19 defines at least in sections the proximal manufacturing edge of the earmold 10 facing the auricle.
  • earmolds 10 which have a relatively large angle between the longitudinal axis of the through-channel 13 and a central axis of the remaining auricular structures 18a, 18b, ie in earmolds with strongly angled extension 12 or passage 13, can after insertion of the receiver 20 (with or without Horn tube 50) in the passage 13, the handset line 30 (in the case of BTE hearing systems of the sound tube) passed through the slot 16 and are thus already brought into its predetermined or preformed orientation.
  • the handset line 30 with the help of the slot 16 with inserted earphone 20 in BTE hearing systems with inserted sound tube
  • can naturally follow its predetermined course ie without tensile and / or shear and / or compressive stress

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Headphones And Earphones (AREA)

Claims (9)

  1. Prothèse auditive (10) pour son utilisation avec un appareil auditif à placer derrière l'oreille ou un appareil à écouteur déporté (40) qui présente un tube acoustique inséré dans celle-ci ou un écouteur inséré dans celle-ci (20) avec un conduit auditif (30) s'étendant depuis l'écouteur (20), dans laquelle en direction radiale entre le tube acoustique ou l'écouteur (20) et la prothèse auditive (10) est prévu un adaptateur extensible (50), caractérisée en ce que l'adaptateur est un tube de cornet acoustique (50) dont le diamètre externe et le diamètre interne varient sur toute leur longueur.
  2. Prothèse auditive (10) selon la revendication 1, caractérisée en ce que le tube acoustique ou l'écouteur (20) est relié au tube de cornet acoustique (50) par une liaison à friction.
  3. Prothèse auditive (10) selon la revendication 1, caractérisée en ce que le tube de cornet acoustique (50) est fabriqué en un matériau polymère.
  4. Prothèse auditive (10) selon la revendication 1 ou 3, caractérisée en ce que le tube de cornet acoustique (50) possède un diamètre externe variant sur toute sa longueur de 2,9 mm à 3,7 mm pour une épaisseur de tube constante de 0,4 mm.
  5. Système auditif, comprenant un appareil auditif à placer derrière l'oreille ou un appareil à écouteur déporté (40) et une prothèse auditive (10) selon l'une des revendications 1 à 4, dans lequel l'appareil auditif à placer derrière l'oreille est relié par le tube acoustique à la prothèse auditive (10) ou l'appareil à écouteur déporté (40) est relié par l'écouteur (20) et le conduit auditif (30) à la prothèse auditive (10).
  6. Procédé de montage d'un système auditif qui comprend un appareil auditif à placer derrière l'oreille, une prothèse auditive (10) et un tube acoustique reliant la prothèse auditive (10) à l'appareil auditif à placer derrière l'oreille, ou qui comprend un appareil à écouteur déporté (40), un écouteur (20), un conduit auditif (30) reliant l'écouteur (20) à l'appareil à écouteur déporté (40) et une prothèse auditive (10) dans laquelle l'écouteur (20) est utilisé, comprenant les étapes :
    - d'introduction du tube acoustique ou de l'écouteur (20) dans un tube de cornet acoustique (50) extensible, dont le diamètre externe et le diamètre interne varient sur toute leur longueur et
    - d'insertion du tube de cornet acoustique (50) dans la prothèse auditive (10) de telle sorte que le tube de cornet acoustique ou l'écouteur (20) soit substantiellement de niveau avec une extrémité de sortie acoustique (11) de la prothèse auditive (10).
  7. Procédé selon la revendication 6, dans lequel l'étape d'introduction du tube acoustique ou de l'écouteur (20) dans le tube de cornet acoustique (50) est réalisée par le fait que le tube acoustique ou l'écouteur (20) est introduit par une première extrémité ouverte (52) du tube acoustique (50) jusqu'à ce que le tube acoustique ou l'écouteur (20) soit disposé au moins en partie à l'intérieur du tube de cornet acoustique (50) et dans lequel l'étape d'insertion du tube de cornet acoustique (50) dans la prothèse auditive (10) est réalisée par le fait que le tube de cornet acoustique (50) est tout d'abord introduit par sa deuxième extrémité (54) dans l'extrémité d'entrée acoustique (11) de la prothèse auditive (10) et y est conduit jusqu'à ce que le tube acoustique ou l'écouteur (20) soit substantiellement de niveau avec l'extrémité de sortie acoustique (11) de la prothèse auditive (10) et en outre, comprenant l'étape de :
    - séparation du segment du tube de cornet acoustique (50) dépassant sur l'extrémité de sortie acoustique (11) de la prothèse auditive (10) de telle sorte que l'extrémité séparée du tube de cornet acoustique (50) soit substantiellement de niveau avec l'extrémité de sortie acoustique (11) de la prothèse auditive (10).
  8. Procédé selon la revendication 7, comprenant en outre l'étape de :
    - collage du tube de cornet acoustique (50) à la prothèse auditive (10) dans la zone de l'extrémité de sortie acoustique (11) avant que le segment du tube de cornet acoustique (50) dépassant sur l'extrémité de sortie acoustique (11) de la prothèse auditive (10) soit séparé.
  9. Procédé selon la revendication 7 ou 8, comprenant en outre les étapes :
    - d'introduction d'une gaine de filtrage dans la première extrémité ouverte (52) du tube de cornet acoustique (50) avant l'introduction du tube acoustique ou de l'écouteur (20), et
    - d'insertion d'un filtre dans la gaine de filtrage, après que le segment du tube de cornet acoustique (50) dépassant sur l'extrémité de sortie acoustique (11) de la prothèse auditive (10) a été séparé.
EP14190519.0A 2013-10-28 2014-10-27 Prothèse auditive, système auditif et procédé de montage d'un système auditif Active EP2866473B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201310111851 DE102013111851A1 (de) 2013-10-28 2013-10-28 Otoplastik, Hörsystem sowie Verfahren zur Montage eines Hörsystems

Publications (3)

Publication Number Publication Date
EP2866473A2 EP2866473A2 (fr) 2015-04-29
EP2866473A3 EP2866473A3 (fr) 2015-05-13
EP2866473B1 true EP2866473B1 (fr) 2016-06-29

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DE (1) DE102013111851A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018132445A1 (de) 2018-12-17 2020-06-18 Kind Hörgeräte Gmbh & Co. Kg Otoplastik und Verwendung einer Otoplastik

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004009268B3 (de) * 2004-02-26 2005-10-20 Siemens Audiologische Technik Ohreinsatz für ein Hörsystem
DE102004050133B4 (de) * 2004-10-14 2007-12-13 Bernd Kubicke Offene Otoplastik
DE102007037024A1 (de) * 2007-08-06 2009-02-26 Siemens Medical Instruments Pte. Ltd. Hörereinrichtung mit elastisch gelagertem Hörer
DE202008009586U1 (de) * 2008-07-17 2008-09-18 Dreve Otoplastik Gmbh Otoplastik für HdO-Hörsysteme

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018132445A1 (de) 2018-12-17 2020-06-18 Kind Hörgeräte Gmbh & Co. Kg Otoplastik und Verwendung einer Otoplastik
EP3672284A2 (fr) 2018-12-17 2020-06-24 Kind Hörgeräte GmbH & Co. Kg Otoplastique et utilisation d'otoplastique

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EP2866473A2 (fr) 2015-04-29
DE102013111851A1 (de) 2015-04-30
EP2866473A3 (fr) 2015-05-13

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