EP0247390A1 - In-the-ear hearing aid - Google Patents

In-the-ear hearing aid Download PDF

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Publication number
EP0247390A1
EP0247390A1 EP87106409A EP87106409A EP0247390A1 EP 0247390 A1 EP0247390 A1 EP 0247390A1 EP 87106409 A EP87106409 A EP 87106409A EP 87106409 A EP87106409 A EP 87106409A EP 0247390 A1 EP0247390 A1 EP 0247390A1
Authority
EP
European Patent Office
Prior art keywords
hearing aid
aid according
tail part
angle
housing
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
EP87106409A
Other languages
German (de)
French (fr)
Other versions
EP0247390B1 (en
Inventor
Christof Härtl
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 GmbH
Original Assignee
Siemens AG
Siemens Audioligische Technik GmbH
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=27433593&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0247390(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19863616557 external-priority patent/DE3616557A1/en
Priority claimed from DE8613404U external-priority patent/DE8613404U1/de
Priority claimed from DE8613362U external-priority patent/DE8613362U1/de
Application filed by Siemens AG, Siemens Audioligische Technik GmbH filed Critical Siemens AG
Priority to AT87106409T priority Critical patent/ATE61505T1/en
Publication of EP0247390A1 publication Critical patent/EP0247390A1/en
Application granted granted Critical
Publication of EP0247390B1 publication Critical patent/EP0247390B1/en
Anticipated expiration legal-status Critical
Revoked 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
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/658—Manufacture of housing parts
    • 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
    • H04R25/656—Non-customized, universal ear tips, i.e. ear tips which are not specifically adapted to the size or shape of the ear or ear canal
    • 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
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/603—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of mechanical or electronic switches or control elements
    • 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
    • H04R25/609—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of circuitry
    • 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
    • H04R25/652—Ear tips; Ear moulds
    • H04R25/654—Ear wax retarders

Definitions

  • the invention relates to an in-the-ear hearing device according to the features of the preamble of patent claim 1.
  • the object of the present invention is to construct a hearing device of this type, the shape of which largely corresponds to the shape of a normal average auditory canal.
  • FIG. 1 shows an in-the-ear hearing aid module 1 with a housing 2 which comprises a socket 3 with an external thread 4 at the proximal end.
  • the diameter of the nozzle 3 is d.
  • the hearing aid module 1 comprises on a curved end plate 5 (faceplate) an adjustment button 6 for a volume control, which can also be an on and off switch for the device, a further actuator 7, a charger 8 for a battery and an opening 9 for the sound supply .
  • the hearing aid module 1 can be inserted into the hollow interior 10 of an otoplastic 11 in such a way that the connector 3 projects through a first opening 12 into a second opening 13 of the otoplastic 11.
  • the otoplastic 11 comprises an outer shell 14 made of transparent material, e.g. a polymethyl methacrylate, such as acrylic PMMA, on which the actual otoplastic material 15, which is also made of transparent material, e.g. also a polymethyl methacrylate, such as acrylic PMMA.
  • the diameter of the first opening 12 is also d or is at most slightly larger, so that the nozzle sits tightly in the first opening 12.
  • the diameter of the second opening 13 is D.
  • the cerumen cover 16 On the part of the nozzle 3 protruding into the second opening 13 there is a cerumen cover 16 with the internal thread 17 screwable.
  • the diameter D1 of the cerumen lid is somewhat smaller (preferably 0.2 mm smaller) than the diameter D of the second opening 13.
  • the cerumen lid can therefore be screwed comfortably into the opening 13 until it reaches the ring edge 18 the outer shell 14 strikes.
  • the in-the-ear hearing aid module 1 is thus firmly and acoustically tight in the finished earmold 11.
  • the cerumen lid 16 has sieve-like openings 20 on its end face 19. Accordingly, it serves at the same time for fixing the module and as a cerumen trap.
  • the cerumen lid 16 also includes two through holes 21 and 22, which are arranged substantially diametrically opposite one another with respect to the lid central axis 23, into which a screwing aid (not shown) with two pins engages for screwing on the lid.
  • a ventilation channel 24 is incorporated into the otoplastic 11.
  • FIGS. 3 and 4 show the sections III-III and IV-IV indicated in FIG. 1 through a housing 2 of a hearing aid module 1 with the curved end plate 5 removed.
  • the housing 2 of the hearing aid module 1 is pear-shaped. It accordingly has a distal beaded head part 25 and a proximal thinner tail part 26.
  • the flat forehead of the head part 25 is indicated by 27.
  • the flat forehead 27 has a normal 28.
  • the longitudinal axis of the tail part 26 is indicated at 31.
  • This special angular design results in a housing shape that is tailored to the average normal auditory canal of a hearing impaired person.
  • This housing fits automatically into almost all reasonably normal ear canals. The individual remaining adjustment now only needs to be carried out with the aid of an otoplastic 11. Special adjustments of a housing to the ear canal of an individual ear are no longer required.
  • the largest diameter of the flat end 27 of the housing 2 is also shown with Dl.
  • the two diameters D1 and D2 are chosen so that the smaller diameter D2 is less than half the larger diameter Dl.
  • the proximal, thinner tail part 26 is thus considerably thinner than the distal, beaded head part 25 of the housing 2 of the hearing aid module 1.
  • the otoplastic 11 formed from the outer shell 14 and otoplastic material 15 can be relatively thick with these dimensions of the housing 2. However, this enables the problem-free subsequent incorporation of an arbitrarily shaped ventilation duct 24.
  • FIG. 5 shows the curved end plate 5 which can be placed on the flat end 27 of the housing 2.
  • the end plate 5 comprises 2 locking grooves 32 for fastening in the flat end 27 of the housing, into which the locking lugs 29 of the housing 1 engage. The end plate is thereby held securely on the flat end 27 of the housing 2.
  • the curvature 33 of the end plate 5 is round on all sides. There are therefore no corners or edges which, after inserting the finished hearing device into the ear canal of a hearing-impaired person, could appear cosmetically disruptive.

Abstract

Das Gehäuse (2) des Hörgerätes (1) umfasst ein distales wulstiges Kopfteil (25) mit ebener Stirn (27), auf der eine gewölbte Stirnplatte (5) sitzt, und ein proximales dünneres Schwanzteil (26). Der Winkel (α) zwischen der Normalen (28) der ebenen Stirn (27) und der Längsachse (31) des Schwanzteils (26) liegt in einer ersten Längsschnittebene (III-III) im Bereich 135° bis 142°, vorzugsweise bei 140°, und der entsprechende Winkel (β) in einer zweiten Längsschnittebene (IV-IV) im Bereich 12° bis 17°, vorzugsweise bei 14°.The housing (2) of the hearing aid (1) comprises a distal beaded head part (25) with a flat forehead (27), on which a curved end plate (5) sits, and a proximal, thinner tail part (26). The angle (α) between the normal (28) of the flat forehead (27) and the longitudinal axis (31) of the tail part (26) lies in a first longitudinal section plane (III-III) in the range 135 ° to 142 °, preferably 140 ° , and the corresponding angle (β) in a second longitudinal section plane (IV-IV) in the range from 12 ° to 17 °, preferably at 14 °.

Description

Die Erfindung bezieht sich auf ein In-dem-Ohr-Hörgerät gemäß den Merkmalen des Oberbegriffs des Patentanspruchs 1.The invention relates to an in-the-ear hearing device according to the features of the preamble of patent claim 1.

Aufgabe vorliegender Erfindung ist es, ein Hörgerät dieser Art aufzubauen, dessen Form der Form eines normalen durchschnittlichen Gehörganges weitgehend entspricht.The object of the present invention is to construct a hearing device of this type, the shape of which largely corresponds to the shape of a normal average auditory canal.

Die Aufgabe wird durch die kennzeichnenden Merkmale des Patentanspruchs 1 gelöst.The object is achieved by the characterizing features of patent claim 1.

Eine bevorzugte Weiterbildung ergibt sich aus dem Anspruch 2.A preferred further development results from claim 2.

Die Form ist optimal, wenn die Winkel entsprechend den Merkmalen der Ansprüche 4 und 6 vorgegeben werden.The shape is optimal if the angles are specified according to the features of claims 4 and 6.

Weitere Vorteile und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines-Ausführungsbeispiels.Further advantages and details of the invention result from the following description of an exemplary embodiment.

Es zeigen:

  • Figur 1 ein erfindungsgemäßes In-dem-Ohr-Hörgerät mit Otoplastik in Modulbauweise,
  • Figur 2 die Draufsicht auf einen Cerumen-Deckel gemäß der Figur 1,
  • Figur 3 einen Schnitt III-III durch das Gehäuse des Hörgerätmoduls der Figur 1,
  • Figur 4 einen Schnitt IV-IV durch das Gehäuse des Hörgerätmoduls der Figur 1 und
  • Figur 5 eine Seitenansicht der gewölbten Stirnplatte des Hörgerätmoduls der Figur 1.
Show it:
  • FIG. 1 shows an inventive in-the-ear hearing aid with otoplastic in a modular design,
  • FIG. 2 shows the top view of a cerumen lid according to FIG. 1,
  • FIG. 3 shows a section III-III through the housing of the hearing aid module of FIG. 1,
  • Figure 4 shows a section IV-IV through the housing of the hearing aid module of Figure 1 and
  • 5 shows a side view of the curved end plate of the hearing aid module of FIG. 1.

Die Figur 1 zeigt ein In-dem-Ohr-Hörgerätmodul 1 mit einem Gehäuse 2, das am proximalen Ende einen Stutzen 3 mit Außengewinde 4 umfaßt. Der Durchmesser des Stutzens 3 beträgt d. Das Hörgerätmodul 1 umfaßt an einer gewölbten Stirnplatte 5 (Faceplate) einen Einstellknopf 6 für einen Lautstärkeregler, der auch gleichzeitig Ein- und Ausschalter für das Gerät sein kann, ein weiteres Stellglied 7, eine Lade 8 für eine Batterie und eine Öffnung 9 für die Schallzuführung.FIG. 1 shows an in-the-ear hearing aid module 1 with a housing 2 which comprises a socket 3 with an external thread 4 at the proximal end. The diameter of the nozzle 3 is d. The hearing aid module 1 comprises on a curved end plate 5 (faceplate) an adjustment button 6 for a volume control, which can also be an on and off switch for the device, a further actuator 7, a charger 8 for a battery and an opening 9 for the sound supply .

Das Hörgerätmodul 1 ist in das hohle Innere 10 einer Otoplastik 11 einsetzbar, derart, daß der Stutzen 3 durch eine erste Öffnung 12 hindurch in eine zweite Öffnung 13 der Otoplastik 11 ragt. Die Otoplastik 11 umfaßt dabei eine Überschale 14 aus transparentem Material, z.B. einem Polymethylmethacrylat, wie Acryl PMMA, auf der das eigentliche Otoplastik-Material 15, das ebenfalls aus transparentem Material, z.B. ebenfalls einem Polymethylmethacrylat, wie Acryl PMMA, sitzt. Der Durchmesser der ersten Öffnung 12 beträgt ebenfalls d oder ist allenfalls geringfügig größer, so daß der Stutzen dicht in der ersten Öffnung 12 sitzt. Der Durchmesser der zweiten öffnung 13 beträgt D.The hearing aid module 1 can be inserted into the hollow interior 10 of an otoplastic 11 in such a way that the connector 3 projects through a first opening 12 into a second opening 13 of the otoplastic 11. The otoplastic 11 comprises an outer shell 14 made of transparent material, e.g. a polymethyl methacrylate, such as acrylic PMMA, on which the actual otoplastic material 15, which is also made of transparent material, e.g. also a polymethyl methacrylate, such as acrylic PMMA. The diameter of the first opening 12 is also d or is at most slightly larger, so that the nozzle sits tightly in the first opening 12. The diameter of the second opening 13 is D.

Auf den in die zweite Öffnung 13 ragenden Teil des Stutzens 3 ist ein Cerumen-Deckel 16 mit dem Innengewinde 17 aufschraubbar. Der Durchmesser Dl des Cerumen-Deckels ist etwas kleiner (vorzugsweise 0,2 mm kleiner) als der Durchmesser D der zweiten Öffnung 13. Der Cerumen-Deckel läßt sich also bequem in die Öffnung 13 hineinschrauben, so weit, bis er an der Ringkante 18 der Überschale 14 anschlägt. Das In-dem-Ohr-Hörgerätmodul 1 sitzt damit fest und akustisch dicht in der fertigen Otoplastik 11.On the part of the nozzle 3 protruding into the second opening 13 there is a cerumen cover 16 with the internal thread 17 screwable. The diameter D1 of the cerumen lid is somewhat smaller (preferably 0.2 mm smaller) than the diameter D of the second opening 13. The cerumen lid can therefore be screwed comfortably into the opening 13 until it reaches the ring edge 18 the outer shell 14 strikes. The in-the-ear hearing aid module 1 is thus firmly and acoustically tight in the finished earmold 11.

Der Cerumen-Deckel 16 besitzt gemäß der Figur 2 an seiner Stirnfläche 19 siebartige Öffnungen 20. Er dient demnach gleichzeitig zum Fixieren des Moduls und als Cerumen-Falle. Außerdem umfaßt der Cerumen-Deckel 16 auch noch zwei durchgehende Löcher 21 und 22, die bezüglich der Deckel-Mittelachse 23 im wesentlichen diametral gegenüberliegend angeordnet sind, in die zum Anschrauben des Deckels eine (nicht dargestellte) Schraubhilfe mit zwei Stiften eingreift.According to FIG. 2, the cerumen lid 16 has sieve-like openings 20 on its end face 19. Accordingly, it serves at the same time for fixing the module and as a cerumen trap. In addition, the cerumen lid 16 also includes two through holes 21 and 22, which are arranged substantially diametrically opposite one another with respect to the lid central axis 23, into which a screwing aid (not shown) with two pins engages for screwing on the lid.

In die Otoplastik 11 ist ein Entlüftungskanal 24 eingearbeitet.A ventilation channel 24 is incorporated into the otoplastic 11.

Die Figuren 3 und 4 zeigen die in der Figur 1 angedeuteten Schnitte III-III und IV-IV durch ein Gehäuse 2 eines Hörgerätmoduls 1 bei abgenommener gewölbter Stirnplatte 5.FIGS. 3 and 4 show the sections III-III and IV-IV indicated in FIG. 1 through a housing 2 of a hearing aid module 1 with the curved end plate 5 removed.

Wie aus den Figuren 3 und 4 (sowie auch aus der Figur 1) zu ersehen ist, ist das Gehäuse 2 des Hörgerätmoduls 1 birnenförmig ausgebildet. Es besitzt demnach ein distales wulstiges Kopfteil 25 und ein proximales dünneres Schwanzteil 26. Die ebene Stirn des Kopfteiles 25 ist mit 27 angedeutet. Die ebene Stirn 27 hat eine Normale 28.As can be seen from Figures 3 and 4 (and also from Figure 1), the housing 2 of the hearing aid module 1 is pear-shaped. It accordingly has a distal beaded head part 25 and a proximal thinner tail part 26. The flat forehead of the head part 25 is indicated by 27. The flat forehead 27 has a normal 28.

Nahe der ebenen Stirn 27 befinden sich Rastnasen 29 zum Anstecken der in der Figur 5 separat dargestellten gewölbten Stirnplatte 5 an die ebene Stirn 27 des Gehäuses 2 des Hörgerätmoduls 1.Near the flat forehead 27 there are locking lugs 29 for attaching the curved end plate 5, which is shown separately in FIG. 5, to the flat forehead 27 of the housing 2 of the hearing device module 1.

Am untersten Ende des proximalen dünneren Schwanzteiles 26 befindet sich der Stutzen 3 mit Schallableitungs- öffnung 30.At the lowermost end of the proximal, thinner tail part 26 there is the connector 3 with a sound-conducting opening 30.

Die Längsachse des Schwanzteils 26 ist mit 31 angedeutet.The longitudinal axis of the tail part 26 is indicated at 31.

Aus der Figur 3 sieht man, daß der Winkel α zwischen der Normalen 28 der ebenen Stirn 27 und der Längsachse 31 des Schwanzteils 26 für die Längsschnittebene III-III α = 140° beträgt.From Figure 3 it can be seen that the angle α between the normal 28 of the flat forehead 27 and the longitudinal axis 31 of the tail part 26 is α = 140 ° for the longitudinal section plane III-III.

Aus der Figur 4 sieht man, daß der Winkel p zwischen der Normalen 28 und der Längsachse 31 in der Längsschnittebene IV-IV bei 14° liegt.From Figure 4 it can be seen that the angle p between the normal 28 and the longitudinal axis 31 in the longitudinal section plane IV-IV is 14 °.

Aufgrund dieser speziellen Winkelgebung ergibt sich eine Gehäuseform, die auf einen durchschnittlichen normalen Gehörgang eines Hörgeschädigten zugeschnitten ist. Dieses Gehäuse paßt also automatisch in fast alle einigermaßen normal ausgebildete Gehörgänge. Die individuelle Restanpassung braucht jetzt nur noch mit Hilfe einer Otoplastik 11 vorgenommen zu werden. Spezielle Anpassungen eines Gehäuses an den Gehörgang eines individuellen Ohres ist jetzt nicht mehr erforderlich.This special angular design results in a housing shape that is tailored to the average normal auditory canal of a hearing impaired person. This housing fits automatically into almost all reasonably normal ear canals. The individual remaining adjustment now only needs to be carried out with the aid of an otoplastic 11. Special adjustments of a housing to the ear canal of an individual ear are no longer required.

In der Figur 4 ist außerdem noch der größte Durchmesser der ebenen Stirn 27 des Gehäuses 2 mit Dl eingezeichnet. Der größte Durchmesser des dünneren Schwanzteiles 26, das im vorliegenden Fall im Querschnitt im wesentlichen rechteckig ausgebildet ist (siehe dazu auch Figur 1), ist mit D2 angedeutet.In Figure 4, the largest diameter of the flat end 27 of the housing 2 is also shown with Dl. The largest diameter of the thinner tail part 26, which in the present case is essentially rectangular in cross section (see also FIG. 1), is indicated by D2.

Die beiden Durchmesser Dl und D2 sind so gewählt, daß der kleinere Durchmesser D2 weniger als die Hälfte des größeren Durchmessers Dl beträgt.The two diameters D1 and D2 are chosen so that the smaller diameter D2 is less than half the larger diameter Dl.

In einer tatsächlichen Ausführungsform liegt das Verhältnis der beiden Durchmesser Dl und D2 bei etwa D1:D2 = 2,3:1.In an actual embodiment, the ratio of the two diameters D1 and D2 is approximately D1: D2 = 2.3: 1.

Das proximale dünnere Schwanzteil 26 ist damit erheblich dünner als das distale wulstige Kopfteil 25 des Gehäuses 2 des Hörgerätmoduls 1.The proximal, thinner tail part 26 is thus considerably thinner than the distal, beaded head part 25 of the housing 2 of the hearing aid module 1.

Die aus Überschale 14 und Otoplastik-Material 15 geformte Otoplastik 11 kann bei diesen Abmessungen des Gehäuses 2 relativ dick sein. Dies ermöglicht jedoch das unproblematische nachträgliche Einarbeiten eines beliebig geformten Entlüftungskanals 24.The otoplastic 11 formed from the outer shell 14 and otoplastic material 15 can be relatively thick with these dimensions of the housing 2. However, this enables the problem-free subsequent incorporation of an arbitrarily shaped ventilation duct 24.

Die Figur 5 zeigt die auf die ebene Stirn 27 des Gehäuses 2 aufsetzbare gewölbte Stirnplatte 5. Die Stirnplatte 5 umfaßt.zur Befestigung in der ebenen Stirn 27 des Gehäuses 2 Rastnuten 32, in die die Rastnasen 29 des Gehäuses 1 einrasten. Die Stirnplatte wird dadurch sicher an der ebenen Stirn 27 des Gehäuses 2 gehalten.FIG. 5 shows the curved end plate 5 which can be placed on the flat end 27 of the housing 2. The end plate 5 comprises 2 locking grooves 32 for fastening in the flat end 27 of the housing, into which the locking lugs 29 of the housing 1 engage. The end plate is thereby held securely on the flat end 27 of the housing 2.

Wie aus der Figur 5 noch zu ersehen ist, ist die Wölbung 33 der Stirnplatte 5 allseitig rund. Es sind also keine Ecken oder Kanten vorhanden, die nach dem Einsetzen des fertigen Hörgerätes in den Ohrkanal eines Hörgeschädigten kosmetisch störend in Erscheinung treten könnten.As can still be seen from FIG. 5, the curvature 33 of the end plate 5 is round on all sides. There are therefore no corners or edges which, after inserting the finished hearing device into the ear canal of a hearing-impaired person, could appear cosmetically disruptive.

Claims (10)

1. In-dem-Ohr-Hörgerät, mit einem birnenförmigen Gehäuse, das-ein distales wulstiges Kopfteil mit ebener Stirn, auf der eine Stirnplatte sitzt, und ein proximales dünneres Schwanzteil umfaßt, wobei die Längsachse des Schwanzteils gegenüber der Normalen der ebenen Stirn des Kopfteils in zwei zueinander senkrechten Längsschnittebenen des Gehäuses abgewinkelt ist, dadurch gekennzeichnet , daß der Winkel (α) zwischen der Normalen (28) der ebenen Stirn (27) und der Längsachse (31) des Schwanzteils (26) in der einen Längsschnittebene (3-3) im Bereich 135° - 142° liegt.1. In-the-ear hearing aid, with a pear-shaped housing, which comprises a distal beaded head part with a flat forehead, on which a face plate is seated, and a proximal, thinner tail part, the longitudinal axis of the tail part being opposite the normal of the flat forehead of the The head part is angled in two mutually perpendicular longitudinal sectional planes of the housing, characterized in that the angle (α) between the normal (28) of the flat forehead (27) and the longitudinal axis (31) of the tail part (26) in the one longitudinal sectional plane (3- 3) lies in the range 135 ° - 142 °. 2. Hörgerät nach Anspruch 1, dadurch gekennzeichnet , daß der Winkel (β) zwischen der Normalen (28) der ebenen Stirn (27) und der Längsachse (31) des Schwanzteils (26) in der anderen Längsschnittebene (4-4) im Bereich 12° - 17° liegt.2. Hearing aid according to claim 1, characterized in that the angle (β) between the normal (28) of the flat forehead (27) and the longitudinal axis (31) of the tail part (26) in the other longitudinal section plane (4-4) in the area 12 ° - 17 °. 3. Hörgerät nach Anspruch 1, dadurch gekennzeichnet , daß der Winkel (α) im Bereich 140° ± 1° liegt.3. Hearing aid according to claim 1, characterized in that the angle (α) is in the range 140 ° ± 1 °. 4. Hörgerät nach Anspruch 1 oder 3, dadurch gekennzeichnet , daß der Winkel (α) 140° beträgt.4. Hearing aid according to claim 1 or 3, characterized in that the angle (α) is 140 °. 5. Hörgerät nach Anspruch 2, dadurch gekennzeichnet , daß der Winkel (β) im Bereich 14° ± 1° liegt.5. Hearing aid according to claim 2, characterized in that the angle (β) is in the range 14 ° ± 1 °. 6. Hörgerät nach Anspruch 2 oder 5, dadurch gekennzeichnet , daß der Winkel (β) 14° beträgt.6. Hearing aid according to claim 2 or 5, characterized in that the angle (β) is 14 °. 7. Hörgerät nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet , daß der größte Durchmesser (02) des Schwanzteils (26) wenigstens um die Hälfte kleiner ist als der größte Durchmesser (D1) des Kopfteils (25).7. Hearing aid according to one of claims 1 to 6, characterized in that the largest diameter (02) of the tail part (26) is at least half smaller than the largest diameter (D1) of the head part (25). 8. Hörgerät nach Anspruch 7, dadurch gekennzeichnet , daß der größte Durchmesser (D2) des Schwanzteils (26) ca. 1/4 bis 1/5 des größten Durchmessers (D1) des Kopfteils (25) beträgt.8. Hearing aid according to claim 7, characterized in that the largest diameter (D2) of the tail part (26) is approximately 1/4 to 1/5 of the largest diameter (D1) of the head part (25). 9. Hörgerät nach Anspruch 7 oder 8, dadurch gekennzeichnet , daß das dünnere Schwanzteil (26) im Querschnitt im wesentlichen rechteckig ist.9. Hearing aid according to claim 7 or 8, characterized in that the thinner tail part (26) is substantially rectangular in cross section. 10. Hörgerät nach einem der Ansprüche 7 bis 9 mit einem Kopfteil mit ebener Stirn, auf der eine Stirnplatte sitzt, dadurch gekennzeichnet , daß die Stirnplatte (5) allseitig rund gewölbt ist.10. Hearing aid according to one of claims 7 to 9 with a head part with a flat forehead on which an end plate is seated, characterized in that the end plate (5) is curved round on all sides.
EP87106409A 1986-05-16 1987-05-04 In-the-ear hearing aid Revoked EP0247390B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87106409T ATE61505T1 (en) 1986-05-16 1987-05-04 IN-THE-EAR HEARING AID.

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE19863616557 DE3616557A1 (en) 1986-05-16 1986-05-16 In-the-ear hearing aid
DE8613404U DE8613404U1 (en) 1986-05-16 1986-05-16
DE3616558 1986-05-16
DE8613362U DE8613362U1 (en) 1986-05-16 1986-05-16
DE3616558 1986-05-16
DE3616557 1986-05-16

Publications (2)

Publication Number Publication Date
EP0247390A1 true EP0247390A1 (en) 1987-12-02
EP0247390B1 EP0247390B1 (en) 1991-03-06

Family

ID=27433593

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87106409A Revoked EP0247390B1 (en) 1986-05-16 1987-05-04 In-the-ear hearing aid

Country Status (4)

Country Link
US (1) US4716985A (en)
EP (1) EP0247390B1 (en)
CA (1) CA1279019C (en)
DK (1) DK167263B1 (en)

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Also Published As

Publication number Publication date
CA1279019C (en) 1991-01-15
EP0247390B1 (en) 1991-03-06
US4716985A (en) 1988-01-05
DK242887A (en) 1987-11-17
DK242887D0 (en) 1987-05-12
DK167263B1 (en) 1993-09-27

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