EP3068147B1 - Appareil auditif comprenant un dispositif anti-cerumen et dispositif anti-cerumen - Google Patents

Appareil auditif comprenant un dispositif anti-cerumen et dispositif anti-cerumen Download PDF

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Publication number
EP3068147B1
EP3068147B1 EP16154759.1A EP16154759A EP3068147B1 EP 3068147 B1 EP3068147 B1 EP 3068147B1 EP 16154759 A EP16154759 A EP 16154759A EP 3068147 B1 EP3068147 B1 EP 3068147B1
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EP
European Patent Office
Prior art keywords
housing
hearing device
filter
hearing aid
hollow space
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
EP16154759.1A
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German (de)
English (en)
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EP3068147A1 (fr
Inventor
Theo DORN
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.)
Sivantos Pte Ltd
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Sivantos Pte Ltd
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Publication of EP3068147A1 publication Critical patent/EP3068147A1/fr
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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
    • 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
    • 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
    • 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
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/67—Implantable hearing aids or parts thereof not covered by H04R25/606
    • 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
    • H04R25/658—Manufacture of housing parts

Definitions

  • the invention relates to a hearing aid with a cerumen protection device according to the preamble of claim 1.
  • the invention further relates to an associated cerumen protection device.
  • the hearing aid is a hearing aid that allows users with reduced hearing to normal auditory perception.
  • the scope of the invention are also hearing aids for normal hearing users, such. Earphones worn in the ear.
  • a hearing device typically comprises a housing which can be inserted at least partially into an auditory canal of a person wearing the hearing device (in short: “user”).
  • This housing is referred to below for conceptual distinction of other housings as “hearing aid housing”. If the hearing device housing is adapted to the user-specific anatomy of the ear canal, then the housing is usually referred to as "earmold”.
  • At least one sound generator (“earpiece”, “loudspeaker”) is usually accommodated, which serves to output noises, which in the case of a hearing aid, for example with an integrated microphone, are emitted via a sound outlet channel of the hearing device housing into the auditory canal of the user.
  • a protective device is typically provided.
  • the protective device is often designed in the form of a replaceable filter insert, which is used interchangeably in the sound outlet channel of the hearing aid housing. Due to the location of the hearing aid housing in the ear canal, the dirt to be held is largely cerumen (colloquially: "earwax”) or sweat.
  • the protective device is therefore also referred to as a cerumen protection device.
  • Such a protective device for a sound inlet channel of a hearing aid is for example off US 2014/0193012 A1 known.
  • This protective device in cooperation with a stepped design of the sound inlet channel, creates a meandering course of a sound inlet opening, which is intended to prevent dirt from penetrating into the sound inlet channel.
  • Known protective device comprises a membrane carrier whose membrane is protected by a frontally closed plate from contamination. The sound is transmitted through openings in the jacket of the membrane carrier and through openings in the hearing aid housing.
  • the invention has for its object to provide a hearing aid (in particular hearing aid) with a particularly effective cerumen protection device.
  • the invention is further based on the object of specifying a cerumen protection device for a hearing device (in particular a hearing aid device), which protects particularly effectively.
  • the hearing aid according to the invention comprises a hearing aid housing which can be inserted into an auditory canal of a person (user) using the hearing aid.
  • at least one electronic component of the hearing device is accommodated in an interior of the hearing device housing, typically a sound generator or loudspeaker (also referred to as the "earpiece" of the hearing device).
  • the hearing aid housing has a through opening leading from the interior of the housing to the outside.
  • the passage opening is designed in particular as a sound outlet channel, is passed through the sound of the sound generator in the ear canal of the user.
  • a protective device can be inserted or inserted into the passage opening.
  • the protective device is designed in particular as separate from the hearing aid housing replacement part.
  • the protective device comprises a filter housing, which is adapted to hold a real protective function of the protective device realized filter element, so that the filter element in the inserted state, the protective opening blocking.
  • the dirt to be held by the protective device is, in particular, cerumen.
  • the protective device is therefore also referred to as a cerumen protection device.
  • the filter housing - which is annular - is matched in terms of its dimensions on the passage opening to ensure a precise fit as possible in the passage opening.
  • a peripheral wall of the filter housing which forms the outer periphery of the filter housing, and encloses a housing interior of the filter housing, facing a passage opening limiting wall surface of the hearing aid housing.
  • the peripheral wall at least predominantly lines the wall surface delimiting the passage opening and, in an expedient embodiment, lies against this wall surface in particular.
  • the circumferential wall of the filter housing is preferably aligned in its area extent at least approximately parallel to an axis of the passage opening (and thus to the dirt penetration direction).
  • At least one breakthrough is introduced into this peripheral wall, which corresponds to at least one cavity arranged in the hearing device housing.
  • the cavity serves for discharging and / or for receiving dirt (in particular cerumen) which is led out of the filter housing through the opening.
  • a plurality of openings are introduced into the peripheral wall, wherein each breakthrough corresponds to a cavity of the hearing aid housing.
  • the term "corresponds" is to be understood to mean that an opening leading to the cavity in the hearing aid housing is arranged with respect to the protective device used as intended, that by means of the opening there is a fluidic connection between the interior of the filter housing and the cavity.
  • this allows in the hearing aid according to the invention that cerumen or other dirt that penetrates into the filter housing, via the or each breakthrough derived laterally and transported to the cavity.
  • the dirt is particularly effectively kept safe from the possibly in the hearing aid housing component.
  • a clogging of the protective device is counteracted.
  • the hearing aid according to the invention is characterized by high protection efficiency, and thus advantageously by a particularly high robustness, a comparatively long life and a low susceptibility to repair.
  • the cavity is formed by a collecting chamber, which is formed in the hearing aid housing.
  • the cavity is an opening (otherwise open) to the opening, but otherwise closed (collecting) chamber, in which cerumen or other dirt accumulates successively.
  • the collecting chamber can be emptied.
  • the or each collecting chamber is integrally molded into a housing wall of the hearing aid housing.
  • either a single collecting chamber can be provided, which communicates with each of the openings.
  • a collecting chamber is designed, in particular, as an annular chamber surrounding the passage opening or the protective device.
  • a plurality of separate collecting chambers are provided.
  • the cavity is formed by a connecting channel, which starts from the wall opening delimiting the passage opening and opens to an outside of the hearing aid housing.
  • the cerumen derived from the interior of the filter housing is transported away through the connecting channel and at least partially discharged via the outside of the hearing device housing.
  • a separate - with the respective associated breakthrough fluidly connected - connecting channel available for each breakthrough of the filter housing.
  • the hearing aid housing has at least one collecting chamber and at least one connecting channel in combination.
  • the protective device and the hearing aid housing are preferably on the protective device and the hearing aid housing corresponding
  • Such (also acting as anti-rotation) means are given for example by a tongue and groove arrangement.
  • the or each connecting channel extends obliquely toward an end of the hearing aid housing arranged as intended on the side of the audible ear.
  • the course in particular has a curvature.
  • the connecting channel widens conically from its housing-side end (at the opening of the filter housing) to its housing-outside end, so that a backflow of liquid substances (perspiration, cerumen) is prevented against the intended direction of flow.
  • Each breakthrough is preferably introduced as a unilaterally open (ie crenellated) recess in the peripheral wall of the filter housing, which is open to a side facing away from the filter element edge of the peripheral wall.
  • each opening is introduced in particular into the circumferential wall as the circumferential wall penetrating radially, extending approximately along an axial direction.
  • the filter insert comprises at least two filter elements, which are arranged sequentially in the filter housing.
  • a layer of a filter medium, preferably of a filter gauze, of a filter membrane or of a (metallic) sieve is provided as the filter element.
  • both or all filter elements are identical.
  • combinations of different filter elements are also conceivable within the scope of the invention.
  • the filter housing runs conically towards its intended end facing the interior of the hearing aid housing.
  • the embodiment according to the invention of the hearing device housing and the corresponding protective device are particularly preferably used in an in-ear hearing aid device or in a hearing device shell for an external listener of a behind-the-ear hearing aid device. Furthermore, the invention also extends, for example, to the application of the protective device in a headset worn in the ear.
  • FIG. 1 shows a portion of a hearing aid 1, which includes a (hearing aid) housing 2, which is in an auditory canal of a person using the hearing aid 1 person (hereinafter referred to as "user") can be used.
  • the housing 2 is in the section shown - corresponding to the ear canal - formed substantially cylindrical.
  • a rotarygang beginneres end 3 of the housing 2 is executed rounded.
  • a (not shown here) sound generator is added in an interior 4 of the housing 2 a (not shown here) sound generator is added. The sound generated with this is conducted via a sound outlet channel 5 from the interior of the housing 2 to the outside (into the auditory canal of the user).
  • the sound outlet channel 5 is tubular, with its diameter widening toward the end 3 in a step 6.
  • the sound outlet channel 5 is surrounded by a housing wall 8 of the housing 2, which limits the sound outlet channel 5 with a wall surface 10.
  • a side of the housing wall 8 or of the housing 2 facing the ear or auditory canal is designated as outer side 11.
  • the sound outlet 5 radially surrounding annular chamber 12 is formed in the vicinity of the end 3, which undercuts the wall surface 10 to the end 3 out.
  • a circumferential gap 13 introduced into the wall surface 10 at a slight distance from the step 6 forms the only access to the annular chamber 12.
  • a replaceable (audible) channel is provided in the sound outlet channel 5.
  • Cerumen-) protection device 20 used.
  • Guard device 20 shown in detail comprises a filter housing 21, and a cerumen and other dirt at least largely retaining filter element 22.
  • the filter housing 21 is formed substantially by an annular circumferential wall 23 made of plastic.
  • the peripheral wall 23 forms approximately a hollow cylinder or a (short) tube whose first axial end (designated as front end 25) is intended to face the auditory canal, while the second axial end (designated as front end 26) is intended to face the sound generator.
  • a space enclosed by the peripheral wall 23 is designated as the housing interior 27 of the filter housing 21.
  • the filter element 22 is held by the filter housing 21.
  • the filter element 22 is integrated in the peripheral wall 23 in the course of the production of the protective device 20 by encapsulation, Umg cordung or reshaping.
  • the filter element 22 is formed here in a conventional manner by an approximately circular layer of filter gauze.
  • the filter element 22 is formed by a (metallic) screen or a sound-permeable membrane.
  • the peripheral wall 23 is penetrated by a plurality of uniformly distributed over the circumference, radial openings 30 which are introduced as open to the free end 25, approximately rectangular recesses in the peripheral wall 23.
  • the peripheral wall 23 is only partially broken over its height, so that the peripheral wall 23 at the fixed end 26 has a fully closed edge 31.
  • This fixed-side edge 31 of the peripheral wall 23 ensures sufficient stability of the filter housing 21 for insertion and removal of the protective device 20.
  • an internal thread is also formed in the peripheral wall 23, by means of which the protective device 20 can be screwed onto a corresponding mounting tool.
  • the height of the filter housing 21 is small compared to its diameter.
  • the protective device 20 (as in FIG. 1 shown) as intended used in the sound outlet 5 of the hearing aid housing 2, so the fixed end 26 sits on the step 6, wherein the peripheral wall 23 of the filter housing 21 fits snugly against the wall surface 10 of the housing wall 8.
  • the peripheral wall 23 is thus aligned coaxially with the longitudinal direction of the sound outlet channel 5. Due to the snug fit the protective device 20 is held captive in the sound outlet 5.
  • the protective device 20 it is also conceivable within the scope of the invention for the protective device 20 to be screwed into the sound outlet channel 5.
  • a ELIdGermaner edge of the peripheral wall 23 and the undercut portion of the inner side 10 partially overlap in the axial direction.
  • the apertures 30 and the annular gap 13 partially overlap.
  • the annular chamber 12 is a cavity corresponding to the apertures 30. If required, the annular chamber 12 is cleaned and emptied.
  • FIG. 3 the auditory-aid portion 1 of the hearing aid 1 according to a second embodiment is shown, which substantially corresponds to the first embodiment.
  • a connecting channel 40 is introduced into the housing wall 8 instead of the annular chamber 12 for each opening 30 here.
  • Each connecting channel 40 in turn represents a cavity which corresponds to one of the apertures 30.
  • Each connecting channel 40 passes through the housing wall 8, starting from the wall surface 10 to the outside 11.
  • Each connecting channel 40 initially runs almost radially away from the opening 30 and then curves in the direction of the end 3. In this case, each connecting channel 40 widens conically from the wall surface 10 to the outside 11.
  • FIG. 4 shows the protective device 20 in a cross-sectional view.
  • the protective device 20 is largely analogous to the protective device according to FIG. 2 executed.
  • the protective device 20 here comprises a double filter element 22.
  • both filter elements 22 are identical, for example, as a filter gauze executed.
  • Both filter elements 22 are mounted approximately plane-parallel and with a small distance from each other in the region of the fixed end 25 by means of the peripheral wall 23.
  • FIG. 5 shows a protective device 20, in which the filter housing 21 is provided to the fixed end 26 with a chamfer 50. Due to the conical taper of the filter housing 21, the filter housing 21 is particularly well and tightly fixed in the hearing aid housing 2.
  • the peripheral wall 23 is in 4 and FIG. 5 each shown without openings 30. Unlike in the 4 and 5 shown is the protection device 20 with both double filter element 22 according to 4 or 5 as well as with openings 30 according to 1 to 3 Mistake.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Manufacturing & Machinery (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Headphones And Earphones (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Claims (10)

  1. Appareil auditif (1) présentant
    un boîtier (2) d'appareil auditif apte à être inséré dans le conduit auditif d'une personne qui porte l'appareil auditif (1) et présentant une ouverture de passage (5) vers l'espace intérieur (4) du boîtier d'appareil d'auditif (2),
    un dispositif de protection (20) inséré ou apte à être inséré dans l'ouverture de passage (5) pour assurer une protection contre la pénétration d'encrassements dans le boîtier (2) de l'appareil auditif,
    le dispositif de protection (20) comportant un boîtier de filtre (21) portant un élément de filtre (22),
    au moins une perforation (30) ménagée dans une paroi périphérique (23) du boîtier de filtre (21) qui englobe l'espace intérieur (27) du boîtier de filtre (21) étant tournée dans une position d'insertion correcte vers une surface de paroi (10) qui délimite l'ouverture de passage (5) du boîtier (2) de l'appareil auditif,
    au moins une cavité (12, 40) étant en outre formée dans le boîtier (2) de l'appareil auditif,
    un accès (13) conduisant à la cavité (12, 40) étant situé dans la surface de paroi (10),
    une liaison à écoulement entre l'espace intérieur (27) du boîtier de filtre (21) et la cavité (12, 40) étant formée par la perforation (5) lorsque le dispositif de protection (20) est inséré correctement, caractérisé en ce que
    le boîtier de filtre (21) a une forme annulaire, en ce que la cavité (12, 40) sert à évacuer et/ou reprendre les encrassements et
    en ce que la liaison à écoulement est telle que les encrassements sont extraits hors de l'espace intérieur (27) du boîtier par la perforation (5) pour être dirigés dans la cavité (12, 40).
  2. Appareil auditif (1) selon la revendication 1, dans lequel la ou chaque cavité sont formées par une chambre de reprise (12) ouverte en direction de la perforation (30).
  3. Appareil auditif (1) selon la revendication 2, dans lequel la chambre de reprise est configurée comme chambre annulaire (12) entourant radialement l'ouverture de passage (5).
  4. Appareil auditif (1) selon l'une des revendications 1 à 3, dans lequel la ou chaque cavité sont formées par un canal de liaison (40) qui conduit vers le côté extérieur (11) du boîtier (2) d'appareil auditif partant de la surface de paroi (10).
  5. Appareil auditif (1) selon la revendication 4, dans lequel le ou chaque canal de liaison (40) s'étendent obliquement en direction d'une extrémité (3) du boîtier (2) d'appareil auditif lorsque ce dernier est placé correctement dans le conduit auditif.
  6. Appareil auditif (1) selon les revendications 4 ou 5, dans lequel le ou chaque canal de liaison (40) s'évasent coniquement de leur extrémité intérieure à leur extrémité extérieure.
  7. Dispositif (20) de protection contre le cérumen pour un appareil auditif (1) selon l'une des revendications 1 à 6, présentant un boîtier de filtre (21) de forme annulaire portant un élément de filtre (22) et dans la paroi périphérique (23) duquel, qui entoure un espace intérieur (27) du boîtier de filtre (21), au moins une perforation (30) est ménagée et correspond à la cavité (12, 40) formée dans le boîtier (2) d'appareil auditif de telle sorte que des encrassements peuvent être extraits hors de l'espace intérieur (27) du boîtier par la perforation (30) pour être dirigés vers la cavité (12, 40) lorsque le dispositif de protection (20) est inséré correctement dans l'ouverture de passage (5) du boîtier (2) d'appareil auditif.
  8. Dispositif (20) de protection contre le cérumen selon la revendication 7, dans lequel la ou chaque perforation (30) sont ménagées dans la paroi périphérique (23) en forme de découpe ouverte d'un côté.
  9. Dispositif (20) de protection contre le cérumen selon les revendications 7 ou 8, présentant au moins deux éléments de filtre (22) qui sont prévus l'un à la suite de l'autre dans la direction (14) de pénétration des encrassements.
  10. Dispositif (20) de protection contre le cérumen selon l'une des revendications 7 à 9, dans lequel le boîtier de filtre (21) converge coniquement à une extrémité frontale (26) tournée correctement vers l'espace intérieur (4) du boîtier (2) d'appareil auditif.
EP16154759.1A 2015-03-10 2016-02-09 Appareil auditif comprenant un dispositif anti-cerumen et dispositif anti-cerumen Active EP3068147B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015204250.2A DE102015204250A1 (de) 2015-03-10 2015-03-10 Hörgerät mit einer Cerumen-Schutzeinrichtung und Cerumen-Schutzeinrichtung

Publications (2)

Publication Number Publication Date
EP3068147A1 EP3068147A1 (fr) 2016-09-14
EP3068147B1 true EP3068147B1 (fr) 2018-05-23

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EP16154759.1A Active EP3068147B1 (fr) 2015-03-10 2016-02-09 Appareil auditif comprenant un dispositif anti-cerumen et dispositif anti-cerumen

Country Status (5)

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US (1) US9980067B2 (fr)
EP (1) EP3068147B1 (fr)
CN (1) CN105979457B (fr)
DE (1) DE102015204250A1 (fr)
DK (1) DK3068147T3 (fr)

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Publication number Publication date
DE102015204250A1 (de) 2016-09-15
DK3068147T3 (da) 2018-09-03
US20160269840A1 (en) 2016-09-15
CN105979457B (zh) 2019-05-14
EP3068147A1 (fr) 2016-09-14
US9980067B2 (en) 2018-05-22
CN105979457A (zh) 2016-09-28

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