EP3557886A1 - Prothèse auditive pour insertion profonde dans le canal - Google Patents

Prothèse auditive pour insertion profonde dans le canal Download PDF

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Publication number
EP3557886A1
EP3557886A1 EP18206196.0A EP18206196A EP3557886A1 EP 3557886 A1 EP3557886 A1 EP 3557886A1 EP 18206196 A EP18206196 A EP 18206196A EP 3557886 A1 EP3557886 A1 EP 3557886A1
Authority
EP
European Patent Office
Prior art keywords
hearing aid
tool
interface
pull member
attachment portion
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.)
Withdrawn
Application number
EP18206196.0A
Other languages
German (de)
English (en)
Inventor
Kenneth Rueskov MØLLER
Thor Højlund Olsen
Troels Holm Pedersen
Povl Koch
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.)
Oticon AS
Original Assignee
Oticon AS
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 Oticon AS filed Critical Oticon AS
Priority to EP18206196.0A priority Critical patent/EP3557886A1/fr
Publication of EP3557886A1 publication Critical patent/EP3557886A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • 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
    • H04R2225/023—Completely in the canal [CIC] 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
    • 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
    • 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

Definitions

  • the present disclosure relates to a hearing aid, a tool and a hearing device. More particularly, the disclosure relates to a hearing aid for deep-in-canal insertion, to a tool for inserting and removing a deep-in-canal hearing aid into/from a canal, and to a hearing device comprising the hearing aid and the tool.
  • CIC Completely-in-Canal
  • a hearing aid for deep-in-canal insertion comprises a pull member, an attachment portion, and an interface.
  • the pull member is configured to be fixed to the hearing aid with one end portion and to remove the hearing aid from the canal when being pulled.
  • the interface is configured to be fixed to the pull member.
  • the interface is configured to be detachably attachable to the attachment portion by a first magnetic force.
  • the interface is fixed to or near the other end portion of the pull member, which is an end portion being opposite to the one end portion in the longitudinal direction of the pull member.
  • a tool for inserting and removing a deep-in-canal hearing aid into/from a canal comprises a magnetic coupling being configured to exert on the hearing aid a second magnetic force and a third magnetic force.
  • the third magnetic force is larger than the second magnetic force.
  • a hearing device comprises a hearing aid according to any of the aspects presented herein, and a tool according to any of the aspects presented herein.
  • the hearing device is configured such that the first magnetic force is set larger than the second magnetic force and smaller than the third magnetic force.
  • the hearing device is a system of at least the hearing aid and the tool. This allows for easily inserting and removing the hearing aid into/ from the ear canal.
  • a hearing aid according to any of the aspects presented herein is provided, wherein at least a part of the interface and the attachment portion is a magnet.
  • at least a part of one of the interface and the attachment portion is a magnet and at least a part of the other one comprises a magnetizable material.
  • a hearing aid according to any of the aspects presented herein is provided, wherein the interface is spherical and the attachment portion comprises a ring magnet.
  • the ring magnet can also be replaced by a magnetizable ring, if the interface is composed of or comprises a magnet. The combination of a sphere and the ring allows for ensuring a predetermined sit/ position of the interface at the attachment portion.
  • a hearing aid according to any of the aspects presented herein is provided, wherein the pull member comprises nylon or aramid. More preferably, the pull member is composed of nylon or aramid.
  • a hearing aid according to any of the aspects presented herein is provided, wherein the pull member is a cord and comprises a shape memory material. More preferably, the pull member is composed of the shape memory material. More preferably, the shape memory material is a polymer. The pull member is configured to be curled when the interface is attached to the attachment portion.
  • a hearing aid according to any of the aspects presented herein is provided, wherein the hearing aid comprises a hole.
  • the hole is configured to accommodate the pull member when the interface is attached to the attachment portion.
  • the pull member is effectively prevented from extending toward the opening of the ear canal, thus being invisible from outside the ear canal.
  • a hearing aid according to any of the aspects presented herein is provided, wherein the hearing aid comprises a faceplate at a distal end. At least a part of the faceplate comprises the attachment portion. The interface is attachable to the center of the faceplate.
  • a hearing aid according to any of the aspects presented herein is provided, wherein the hearing aid comprises a disposable first module and a reusable second module.
  • the pull member is fixed to the first module.
  • the pull member has a small cross-section and thus a limited (tensile) strength.
  • relative large forces might be necessary to remove the hearing aid form the ear canal.
  • a hearing aid according to any of the aspects presented herein is provided, wherein the hearing aid comprises a damper element at the attachment portion. Additionally or alternatively, the hearing aid comprises a GMR switch.
  • the GMR (giant magnetoresistance) switch in the hearing aid can shut off the hearing aid when the magnet force is detected. By shutting down the hearing aid (or put it in sleep mode) the sound will not be amplified.
  • the damper element which is preferably a damping silicone
  • the damper element can be provided at the pull member.
  • a tool according to any of the aspects presented herein is provided, wherein the coupling comprises two magnets having different magnetic forces or two differently magnetizable materials.
  • the magnets or materials are spaced apart from each other in the longitudinal direction of the tool.
  • a tool according to any of the aspects presented herein is provided, wherein the coupling comprises one magnet or magnetizable material being configured to be displaced along the longitudinal direction of the tool.
  • a tool according to any of the aspects presented herein wherein the coupling comprises an electromagnet.
  • a tool according to any of the aspects presented herein is provided, wherein the tool comprises a damper element at one longitudinal end part of the tool.
  • damper element which is preferably a damping silicone
  • a hearing device includes a hearing aid and a tool for inserting the hearing aid into a canal and for removing the hearing aid from the canal.
  • a hearing device may include a hearing aid that is adapted to improve or augment the hearing capability of a user by receiving an acoustic signal from a user's surroundings, generating a corresponding audio signal, possibly modifying the audio signal and providing the possibly modified audio signal as an audible signal to at least one of the user's ears.
  • Such audible signals may be provided in the form of an acoustic signal radiated into the user's outer ear.
  • the hearing aid is adapted to be worn in any known way. This may include In-the-Canal (ITC)/ Completely-in-Canal (CIC) type hearing aids. It preferably includes deep-in-canal hearing aids.
  • ITC In-the-Canal
  • CIC Completely-in-Canal
  • a hearing aid in general, includes i) an input unit such as a microphone for receiving an acoustic signal from a user's surroundings and providing a corresponding input audio signal, and/or ii) a receiving unit for electronically receiving an input audio signal.
  • the hearing aid further includes a signal processing unit for processing the input audio signal and an output unit for providing an audible signal to the user in dependence on the processed audio signal.
  • the input unit may include multiple input microphones, e.g. for providing direction-dependent audio signal processing.
  • Such directional microphone system is adapted to enhance a target acoustic source among a multitude of acoustic sources in the user's environment.
  • the directional system is adapted to detect (such as adaptively detect) from which direction a particular part of the microphone signal originates. This may be achieved by using conventionally known methods.
  • the signal processing unit may include an amplifier that is adapted to apply a frequency dependent gain to the input audio signal.
  • the signal processing unit may further be adapted to provide other relevant functionality such as compression, noise reduction, etc.
  • the output unit may include an output transducer such as a speaker/ loudspeaker/ receiver for providing an air-borne acoustic signal.
  • the disclosure relates to a hidden pull string operated by use of magnets in combination with a removal and insertion tool for deep-in-canal hearing aids.
  • the overall idea is to have a magnet or a magnetizable material at the end of the pull string, which can attach to the hearing aid faceplate on a magnetic plate or an additional magnet, or a magnetizable material. This way the pull string becomes short and invisible when in the ear canal.
  • a tool comprising a magnet is inserted into the ear. The magnet force is so that the magnet/ magnetizable material on the pull string will jump from the hearing aid to the tool. Then the tool is led out of the ear canal with the pull string following the tool magnet because of the adherence between the two magnets.
  • the pull string is outside the ear canal and the pull string is stretched out, the tool will separate from the pull out string magnet/ magnetizable material and the pull string is now outside the ear and can be used as a conventional pull string.
  • the pull string (wire)/ pull member is fixated to the hearing aid.
  • the pull out string is able to withstand the pull force required to pull out the hearing aid from the ear canal.
  • the pull string can be a thin nylon wire like a fishing line.
  • the fishing line can have a diameter in the range from approximately 0.2mm to approximately 1mm.
  • aramide fibers (Kevlar) can be used.
  • the string can be attached to an exchangeable part in order to limit the lifecycle usage of the part and thereby the wear. For example, in truly invisible hearing aids, the dome and battery is exchanged every three weeks. The intention is to fixate the pull string in the dome/battery/earpiece spare part. The other benefit by doing so is that the string can be curled up to be even more hidden.
  • the string is curled up in production. If the string is curled up, the material chosen for the string will have to be a material which is not set. As an example, nylon thread can set and bend back to their curled shape. The material choice could be Kevlar fibers instead.
  • an element is placed at the end of the pull string.
  • the element is a magnet, if the attachment portion of the hearing aid is a magnetic material. If attachment portion is a magnet, the pull string element can be either a magnet or a magnetic element.
  • the size of the element at the pull out string is large enough to make a finger pinch.
  • the diameter of the element is around 1mm.
  • the element can have many shapes.
  • the string element can be inside the hearing aid as shown below.
  • the pull string then runs within a cavity/ opening and is pulled out when the tool magnet approaches.
  • This element can be either magnetic or be a magnet.
  • the element is preferably placed on the back of the hearing aid and more preferably placed in the center. This in order to be sure that a big magnet can get in contact with the pull string magnet.
  • the hearing aid Since the hearing aid is invisible because it is placed very deep in the ear canal, it requires an insertion/ removal tool. Therefore an insertion and removal tool is combined in the same (one) tool.
  • the concept of the tool is to have a big magnet for removal of the hearing aid.
  • the big magnet is able to pull the pull string magnet loose from the hearing aid as described earlier.
  • the big magnet is as big as possible to get a large force.
  • the ear canal size sets the limit of the magnet size.
  • the magnet can have a diameter of approximately 5mm and a length of approximately 10mm.
  • a small magnet is used to guide the hearing aid into a cavity (opening, recess) of the tool and to hold the hearing aid in place. Having the recess allows for rotating the tool and thereby the hearing aid to orient the heairng aid correctly in the ear canal.
  • the small magnet has a force, which is too low to separate the pull string magnet from the hearing aid. In other words, when the hearing aid is in place in the ear canal, the tool separates from the hearing aid with the interface maintaining attached to the attachment portion of the hearing aid.
  • Another concept of the tool is to have a magnet, which can be moved back and forward, for example, by a slider.
  • the tool magnet When inserting the hearing aid, the tool magnet is moved forward and connected to the hearing aid magnet. This position is also the position which is used to remove the hearing aid.
  • the magnet In order to release the hearing aid (to avoid that the pull string or the entire hearing aid follows the tool), the magnet is pulled backwards. This means that the magnet force acting on the interface of the pull string/ the hearing aid is minimized.
  • the tool can be removed while the pull string/ the hearing aid keeps the location/ position in the ear canal.
  • the pull string Since the pull string is hidden in the ear canal it can be easier recognizable by the user, if having a colour (preferably a striking coulour) instead of being transparent. The more colorful string can make it easier to locate it when other people are helping or by the use of a mirror. This feature is of particular interest for people with visual impairment.
  • a colour preferably a striking coulour
  • FIGS 1A to 1C illustrate a hearing aid 10 according to an embodiment of the disclosure as an perspective view.
  • the attachment operation of the interface 13 to the attachment portion 12, which can be constituted by a faceplate 16 of the hearing aid 10, and the curling up of the pull member 11 is depicted.
  • the attachment portion 12 has a seat being a recess, in which the interface 13 can rotate, as indicated in Figures 1A to 1C , thus facilitating the curling up of the pull member 11.
  • the fixedly attached end portion 10a and the interface 13, which is detachably attached to the faceplate 16, cause the pull member 11 to form a loop. This per se ensures that the pull member 11 is hardly visible or even completely invisible from outside the ear canal.
  • a material can be chosen, which causes the curling up of the pull member 11, as described above.
  • Figure 1A shows a detached state of the interface 13 from the attachment portion 12. It further shows the pull member 11 in a state, in which it is almost fully extended from the hearing aid 10 into the ear canal.
  • Figure 1B shows an attached state of the interface 13 to the attachment portion 12. It further shows a state of the pull member 11, in which the length, by which the pull member 11 extends into the ear canal, corresponds to approximately half the length as depicted in Figure 1A , i.e., to half the length in the fully extended state of the pull member 11. In the state presented by Figure 1B the pull member 11 is not curled up.
  • Figure 1C shows the attached state of the interface 13.
  • the pull member 11 is curled up.
  • the pull member 11 substantially does not extend in the longitudinal direction of the ear canal. In other words, the extension length into the ear canal of the pull member 11 in this state is negligible.
  • Figure 2 shows one exemplary embodiment of the seat of the interface 13 at the attachment portion 12.
  • the magnetic or magnetizable ring 14 allows rotation of the spherical interface 13 of the pull member 11 as indicated in Figure 2 , thus contributing to making the hearing aid 10 invisible when in use.
  • FIGS 3A and 3B show another embodiment of the hearing aid 10.
  • the hearing aid has a hole or recess 15, which accommodates the pull member 11, when the interface 13 is attached to the attachment portion 12.
  • a stop 17 is fixed, which prevents that the pull member 11 is completely detached form the hearing aid 10.
  • the stop 17 fixes the pull member to the hearing aid 10 by abutting a limiting portion of the recess 15/the hearing aid 10.
  • Figure 3A shows an almost fully retracted state of the pull member 11.
  • the pull member 11 In this state, the pull member 11 is almost completely retracted into a recess 15 and housed therein.
  • the interface 13 is not yet attached to the attachment portion 12.
  • the pull member 11 In the fully retracted state, the pull member 11 is completely accommodated in the recess 12 and the interface 13 is attached to the attachment portion 12.
  • Figure 3B additionally shows the system of the hearing aid 10 and the tool 20, i.e., shows the hearing device. It is depicted in Figure 3B , how the magnet 22 of the tool, which is stronger than the magnetic force generated between the interface 13 and the attachment portion 12, attracts the interface 13, thus pulling the pull member 11 out of the hearing device 10. This is done for removing the hearing aid 10 from the ear canal.
  • the magnet 22 constitutes part of the magnetic coupling 21 of the tool 20.
  • Figure 3B presents an almost fully extended state of the pull member 11.
  • the stop 17 almost abuts a limiting portion of the recess 15/the hearing aid 10.
  • the pull member 11 almost fully extends into the ear canal due to a magnetic force exerted from the tool 20.
  • the stop 17 abuts the limiting portion and the pull member 11 completely extends inside the ear canal and outside the hearing aid 10.
  • Figures 4A and 4B show one embodiment of the tool 20.
  • the magnetic coupling 21 of the tool 20 comprises a stronger magnet 22 and a weaker magnet 23.
  • the tool 20 has a structure 27 allowing for accommodating the hearing aid 10, as shown in Figure 4B .
  • the interface 13 of the hearing aid 10 is arranged in a recess 26 of the tool 20.
  • the structure 27 allows for stably holding the hearing aid 10 and for rotating the hearing aid 10 in the ear canal during the insertion operation.
  • the larger magnet 22 is used during the removal operation of the hearing aid 10 from the ear canal.
  • the pull member 11 can be drawn out of the ear canal. Then, the pull member 11 can be used as known in the art.
  • the relationship between the magnetic forces is as follows.
  • the magnetic force, which acts between the smaller magnet 23 of the tool 20 and the magnet/ magnetizable material of the attachment portion 12 and/or the interface 13 (second magnetic force) is weak.
  • the magnetic force between the magnet/ magnetizable material of the attachment portion 12 and the magnet/ magnetizable material of the interface 13 (first force) is set to be larger than the second magnetic force.
  • the magnetic force, which acts between the larger magnet 22 of the tool 20 and the magnet/ magnetizable material of the attachment portion 12 and/or the interface 13 (third magnetic force) is stronger than the first magnetic force or the second magnetic force.
  • Figure 5 shows another embodiment of the tool 20.
  • an electromagnet 24 is used instead of conventional magnets.
  • Figure 5 shows the coil and the core of the magnet as well as the battery 28 and the button switch 29.
  • the electromagnet 24 is capable of generating the second and the third magnetic force.
  • Figure 6 shows still another embodiment of the tool 20, in which only one conventional magnet is used.
  • the magnet can be moved in the longitudinal direction of the tool 20, as indicated by the arrows in the figure.
  • the user moves the magnet by operating the slider.
  • the magnetic force becomes stronger.
  • the magnetic force becomes weaker.
  • the single movable conventional magnet is capable of generating the second and the third magnetic force.
  • Figure 7 shows still another embodiment of the tool 20, in which one magnet 22, 23 is schematically depicted, which represents the coupling 21 of the tool 20.
  • the tool 20 has a damper element 25 at (at least) one end portion in the longitudinal direction of the tool 20, which contributes to avoiding or minimizing a disturbing sound, which the user hears, when the tool 20 and the hearing aid 10 meet (abut each other), as described above.
  • the interface is detachably attachable to a magnetic or magnetizable material of the attachment portion.
  • a hearing aid is also feasible, in which the magnetic or magnetizable attachment portion can be dispensed with.
  • the interface is not attached to the hearing aid housing.
  • the pull member is made shorter than in the above-described embodiments, and is made from a material, which does not allow the pull member to move easily.
  • connection or “coupled” as used herein may include wirelessly connected or coupled.
  • the term “and/or” includes any and all combinations of one or more of the associated listed items. The steps of any disclosed method are not limited to the exact order stated herein, unless expressly stated otherwise.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
EP18206196.0A 2018-11-14 2018-11-14 Prothèse auditive pour insertion profonde dans le canal Withdrawn EP3557886A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18206196.0A EP3557886A1 (fr) 2018-11-14 2018-11-14 Prothèse auditive pour insertion profonde dans le canal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18206196.0A EP3557886A1 (fr) 2018-11-14 2018-11-14 Prothèse auditive pour insertion profonde dans le canal

Publications (1)

Publication Number Publication Date
EP3557886A1 true EP3557886A1 (fr) 2019-10-23

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Application Number Title Priority Date Filing Date
EP18206196.0A Withdrawn EP3557886A1 (fr) 2018-11-14 2018-11-14 Prothèse auditive pour insertion profonde dans le canal

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EP (1) EP3557886A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991004644A1 (fr) * 1989-09-22 1991-04-04 Resound Corporation Appareillage et methode pour manipuler des dispositifs situes dans des orifices
US20080279405A1 (en) * 2005-12-28 2008-11-13 Rion Co., Ltd. In-The-Ear Hearing Aid
EP2355552A1 (fr) * 2010-01-29 2011-08-10 Oticon A/S Dispositif d'aide auditive et outil de manipulation
WO2013126749A1 (fr) * 2012-02-25 2013-08-29 Aria Innovations, Inc. Dispositif et système pour l'insertion, la mise en place et le retrait d'une prothèse auditive
US20180077500A1 (en) * 2016-09-14 2018-03-15 Oticon A/S Hearing device with fixation arrangement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991004644A1 (fr) * 1989-09-22 1991-04-04 Resound Corporation Appareillage et methode pour manipuler des dispositifs situes dans des orifices
US20080279405A1 (en) * 2005-12-28 2008-11-13 Rion Co., Ltd. In-The-Ear Hearing Aid
EP2355552A1 (fr) * 2010-01-29 2011-08-10 Oticon A/S Dispositif d'aide auditive et outil de manipulation
WO2013126749A1 (fr) * 2012-02-25 2013-08-29 Aria Innovations, Inc. Dispositif et système pour l'insertion, la mise en place et le retrait d'une prothèse auditive
US20180077500A1 (en) * 2016-09-14 2018-03-15 Oticon A/S Hearing device with fixation arrangement

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