EP1349424A2 - Cerumen protection system for hearing devices - Google Patents

Cerumen protection system for hearing devices Download PDF

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Publication number
EP1349424A2
EP1349424A2 EP03005841A EP03005841A EP1349424A2 EP 1349424 A2 EP1349424 A2 EP 1349424A2 EP 03005841 A EP03005841 A EP 03005841A EP 03005841 A EP03005841 A EP 03005841A EP 1349424 A2 EP1349424 A2 EP 1349424A2
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EP
European Patent Office
Prior art keywords
housing
membrane
eardrum
sound
cerumen
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Withdrawn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
EP03005841A
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German (de)
French (fr)
Inventor
Markus Heerlein
Christian Schmitt
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 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
Application filed by Siemens Audioligische Technik GmbH filed Critical Siemens Audioligische Technik GmbH
Publication of EP1349424A2 publication Critical patent/EP1349424A2/en
Withdrawn legal-status Critical Current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
    • 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 present invention relates to a device for sonication an eardrum that can be inserted into an ear canal is, with a housing that on a facing the eardrum End a substantially cylindrical housing section includes, with a receiver device for output of sound signals, with a sound outlet opening in the Housing on the side of the housing facing the eardrum and with a cerumen protection device, which is in the housing is integrated to protect the handset against through the Cerumen penetrating the sound outlet. Furthermore concerns the present invention a corresponding method for Sonication of the eardrum.
  • the earphones may be contaminated by cerumen. This often leads to failure of the handset in particular of so-called in-the-ear hearing aids (ITE).
  • ITE in-the-ear hearing aids
  • Cerumen protection systems are used so that the cerumen is not without further can reach the listener.
  • Such open wax protection systems can pollute the handset though don't always prevent.
  • a hearing aid with a filter unit.
  • the filter unit is used to protect against cerumen and has a flat, membrane or sieve filter element. If the filter element is inclined, can for the sound an enlarged effective passage area be created, in addition to the constipation or Risk of contamination of the filter element, conditionally due to the inclination and the increased effective area is. Inclination angles between 45 ° and 90 °. In the latter case, the flat filter element lies along the sound center direction.
  • the object of the present invention is therefore a device and a method for sonicating the eardrum propose where disruptive influences by Cerumen occur less.
  • a device for sonicating an eardrum that is in an ear canal can be used with a housing attached to the one End facing the eardrum has a substantially cylindrical shape Includes housing section, one integrated in the housing Handset for the output of sound signals, one Sound outlet opening in the housing on the eardrum facing side of the housing and a wax guard, which is integrated in the housing to protect the Against what penetrates through the sound outlet opening Cerumen, and which comprises a membrane which essentially parallel to the cylinder axis of the cylindrical housing section is arranged and which the sound of the listener Forwarding to the sound outlet opening, whereby the cerumen protection device a receiving device into which the membrane and the receiver are integrated, includes, such that the membrane and the earphone on the eardrum facing Side can be removed from the housing.
  • the handset can thus be protected against intrusion Seal cerumen through the membrane, the area of which is large enough can be chosen so that it is not perceptible Attenuation of the sound emitted by the listener comes. This is due to the fact that the transmission properties larger membranes are better than small ones. On the other hand the large membrane area also has the advantage that it cannot be occupied by cerumen so quickly, so that perceptible damping can be avoided for a long time.
  • the integrated in the housing in the longitudinal direction of the housing Membrane has the advantage of being inserted into the ear canal offers a smaller area of attack than membranes, the plan on the front of the housing, so transverse to the ear canal are mounted. Thus, the risk of tearing when inserting can be reduced.
  • the cerumen protection device comprises a receiving device into which the membrane may be can be plugged in together with the handset.
  • the receiving device should advantageously be arranged in this way be that the membrane and the handset on the the Drumhead facing side can be removed from the housing can.
  • the housing 1 shows a housing 1 of an ITE hearing aid, which the individual Reflects contours of an ear canal.
  • the housing 1 is approximately cylindrical, with that of the eardrum facing housing section 2 to a lesser extent has as the housing section 3 facing the outer ear.
  • the housing 1 On the side facing the eardrum, the housing 1 an end face 4, which, if the hearing aid in the ear is used, runs essentially perpendicular to the ear canal.
  • the end face 4 has an elongated sound outlet opening 5 through which the sound from the earpiece to the eardrum can reach.
  • FIG. 2 shows a cut-open housing 1 into which Handset 6 is installed.
  • the receiver 6 routes the generated one Sound first via a sound tube 7 in a shell or receiving device 8 further.
  • the receiving device 8 has a sound inlet opening 9 the sound tube 7 receives or to which the sound tube 7 is mountable.
  • the shell or receiving device 8 is fixed below the sound outlet opening 5 to the housing 1 on the End face 4 mounted.
  • a membrane 10 can be inserted into the shell 8.
  • the inserted State separates the membrane 10 from the inside of the shell 8 in two parts, the sound inlet opening one part listened and the sound outlet 5 to the other. Further the membrane 10 is opposite in the inserted state the sound inlet opening 9 of the shell 8, and the in the shell 8 incoming sound excites the membrane 10 Vibrations.
  • the membrane 10 transmits the sound in the other part of the bowl so that it passes through the sound outlet 5 can reach the eardrum.
  • the membrane 10 can be used in a suitable Frame can be embedded for cleaning out of the Remove sound outlet 5. Conveniently owns the frame in which the membrane 10 is clamped, on which the Sound outlet opening 5 opposite L-shaped side Extension with which when the membrane 10 is removed also in the gap between the shell wall and the membrane penetrated cerumen can be removed.
  • the housing in the region of the housing section facing the eardrum 2 have a larger diameter than the housing shown in FIG 2.
  • the handset 6 together with the cerumen protection device, which comes from the Shell 8 including the membrane 10 is immediate Arrange below the housing end face 4. So there is a need no sound tube 7 for guiding the sound from the receiver 6 to the membrane 10. Rather, the receiver 6 can directly in the shell or receiving device 8 can be accommodated, so that the listener 6 directly sonicates the membrane 10 can. In this case, the sound outlet opening of the Handset 6 on its side opposite the membrane.
  • the in this second embodiment of the present invention has a removable cover 11 on the underside thereof the shell 8 is attached.
  • the lid can thus the receiver 6 together with the membrane 10 and the Shell 8 can be removed from the hearing aid. With that you can easy to clean both the membrane 10 and the receiver 6 exchange easily.
  • the sound is guided according to the Membrane as in the first embodiment between the membrane and the wall of the shell 8 to the sound outlet opening 5, in the present case through the lid 11, which is in the area of the sound outlet openings slot-shaped passages 12 has, is closed. Ensure the through slots 12 the passage of the sound and prevent the penetration of larger cerumen components into the sound outlet opening 5.
  • the advantage of the second embodiment is that the receiver 6 together with the cerumen protection device 6, 8 as a complete module for exchange or cleaning purposes can be removed. This depends on the handset geometry however only possible with ITE hearing aids, their owners have a sufficiently large ear canal.

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

Abstract

The device has a housing (1) with an essentially cylindrical housing section (2) on the eardrum facing end, a transducer (6) for radiating sound signals, a sound outlet opening and a cerumen protection device (8,10) with a holder (8) in which a membrane (10) and the sound transducer are integrated so that the membrane and transducer are removable from the housing on the side (4) facing the eardrum. AN Independent claim is also included for the following: a hearing aid, especially an in-the-ear device, with an inventive device.

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zum Beschallen eines Trommelfells, die in einen Gehörgang einsetzbar ist, mit einem Gehäuse, das an einem dem Trommelfell zugewandten Ende einen im Wesentlichen zylinderförmigen Gehäuseabschnitt umfasst, mit einer Hörereinrichtung zur Ausgabe von Schallsignalen, mit einer Schallaustrittsöffnung in dem Gehäuse an der dem Trommelfell zugewandten Seite des Gehäuses und mit einer Cerumenschutzeinrichtung, die in das Gehäuse integriert ist, zum Schutz des Hörers gegen durch die Schallaustrittsöffnung eindringendes Cerumen. Ferner betrifft die vorliegende Erfindung ein entsprechendes Verfahren zum Beschallen des Trommelfells.The present invention relates to a device for sonication an eardrum that can be inserted into an ear canal is, with a housing that on a facing the eardrum End a substantially cylindrical housing section includes, with a receiver device for output of sound signals, with a sound outlet opening in the Housing on the side of the housing facing the eardrum and with a cerumen protection device, which is in the housing is integrated to protect the handset against through the Cerumen penetrating the sound outlet. Furthermore concerns the present invention a corresponding method for Sonication of the eardrum.

Bei Hörgeräten aber auch bei anderen Hörervorrichtungen, die zumindest teilweise in den Gehörgang eingeschoben werden können, kann es zu Verschmutzungen des Hörers durch Cerumen kommen. Dies führt häufig zu Ausfällen des Hörers insbesondere von sogenannten In-dem-Ohr-Hörgeräten (IdO).With hearing aids but also with other hearing devices, the can be at least partially inserted into the ear canal, the earphones may be contaminated by cerumen. This often leads to failure of the handset in particular of so-called in-the-ear hearing aids (ITE).

Zur Lösung dieses Problems wurden bisher hauptsächlich offene Cerumenschutzsysteme eingesetzt, damit das Cerumen nicht ohne weiteres zu dem Hörer gelangen kann. Derartige offene Cerumenschutzsysteme können die Verschmutzung des Hörers aber nicht immer verhindern.So far, mainly open solutions to this problem have been found Cerumen protection systems are used so that the cerumen is not without further can reach the listener. Such open wax protection systems can pollute the handset though don't always prevent.

Als alternative Lösung wird in der Druckschrift DE 96P3826 ein Hörgerät vorgestellt, bei dem der Hörer durch eine Membran vom Trommelfell abgeschlossen ist. Ebenso ist in der internationalen Patentanmeldeschrift WO-A-0045617 ein Behandlungsgerät beschrieben, das eine Schallaustrittsöffnung besitzt, die durch eine akustisch durchlässige, wasserdichte Folie abgedichtet ist. Die Membran, die den Hörer von dem Gehörgang abschirmt, ist jedoch verhältnismäßig klein, so dass es zu deutlich wahrnehmbaren Dämpfungen des vom Hörer zum Trommelfell zu übertragenden Schalls kommt.As an alternative solution is in the document DE 96P3826 presented a hearing aid in which the listener through a membrane is closed by the eardrum. Likewise in the international Patent application WO-A-0045617 a treatment device described, which has a sound outlet opening, through an acoustically permeable, waterproof Foil is sealed. The membrane that separates the earpiece from the ear canal shields, but is relatively small, so that it leads to clearly perceptible attenuation from the listener to the Eardrum comes to be transmitted sound.

Ferner ist aus der deutschen Offenlegungsschrift DE 101 04 129 A1 ein Hörgerät mit einer Filtereinheit bekannt. Die Filtereinheit dient zum Schutz gegen Cerumen und besitzt ein flächiges, membran- oder siebartiges Filterelement. Wenn das Filterelemente geneigt ausgeführt wird, kann für den Schall eine vergrößerte wirksame Durchtrittsfläche geschaffen werden, wobei zusätzlich die Verstopfungs- beziehungsweise Verschmutzungsgefahr des Filterelements, bedingt durch die Neigung und die vergrößerte effektive Fläche, herabgesetzt ist. Bevorzugt sind Neigungswinkel zwischen 45° und 90°. Im letzteren Fall liegt das flächige Filterelement entlang der Schallmittenrichtung.Furthermore, from the German published application DE 101 04 129 A1 discloses a hearing aid with a filter unit. The filter unit is used to protect against cerumen and has a flat, membrane or sieve filter element. If the filter element is inclined, can for the sound an enlarged effective passage area be created, in addition to the constipation or Risk of contamination of the filter element, conditionally due to the inclination and the increased effective area is. Inclination angles between 45 ° and 90 °. In the latter case, the flat filter element lies along the sound center direction.

Die Aufgabe der vorliegenden Erfindung besteht somit darin, eine Vorrichtung und ein Verfahren zum Beschallen des Trommelfells vorzuschlagen, bei denen störende Einflüsse durch Cerumen weniger auftreten.The object of the present invention is therefore a device and a method for sonicating the eardrum propose where disruptive influences by Cerumen occur less.

Erfindungsgemäß wird diese Aufgabe gelöst durch eine Vorrichtung zum Beschallen eines Trommelfells, die in einen Gehörgang einsetzbar ist, mit einem Gehäuse, das an einem dem Trommelfell zugewandten Ende einen im Wesentlichen zylinderförmigen Gehäuseabschnitt umfasst, einem in das Gehäuse integrierten Hörer zur Ausgabe von Schallsignalen, einer Schallaustrittsöffnung in dem Gehäuse an der dem Trommelfell zugewandten Seite des Gehäuses und einer Cerumenschutzeinrichtung, die in das Gehäuse integriert ist, zum Schutz des Hörers gegen durch die Schallaustrittsöffnung eindringendes Cerumen, und die eine Membran umfasst, welche im Wesentlichen parallel zu der Zylinderachse des zylinderförmigen Gehäuseabschnitts angeordnet ist und welche den Schall des Hörers zur Weiterleitung an die Schallaustrittsöffnung aufnimmt, wobei die Cerumenschutzeinrichtung eine Aufnahmeeinrichtung, in die die Membran und der Hörer integriert sind, umfasst, derart, dass die Membran und der Hörer an der dem Trommelfell zugewandten Seite aus dem Gehäuse entnehmbar sind.According to the invention, this object is achieved by a device for sonicating an eardrum that is in an ear canal can be used with a housing attached to the one End facing the eardrum has a substantially cylindrical shape Includes housing section, one integrated in the housing Handset for the output of sound signals, one Sound outlet opening in the housing on the eardrum facing side of the housing and a wax guard, which is integrated in the housing to protect the Against what penetrates through the sound outlet opening Cerumen, and which comprises a membrane which essentially parallel to the cylinder axis of the cylindrical housing section is arranged and which the sound of the listener Forwarding to the sound outlet opening, whereby the cerumen protection device a receiving device into which the membrane and the receiver are integrated, includes, such that the membrane and the earphone on the eardrum facing Side can be removed from the housing.

Erfindungsgemäß lässt sich damit der Hörer gegen eindringendes Cerumen durch die Membran abdichten, deren Fläche groß genug gewählt werden kann, damit es nicht zu wahrnehmbaren Dämpfungen des vom Hörer abgestrahlten Schalls kommt. Dies liegt zum einen daran, dass die Transmissionseigenschaften bei größeren Membranen besser sind als bei kleinen. Zum anderen hat die große Membranfläche auch den Vorteil, dass sie nicht so schnell von Cerumen belegt werden kann, so dass wahrnehmbare Dämpfungen längere Zeit vermieden werden können.According to the invention, the handset can thus be protected against intrusion Seal cerumen through the membrane, the area of which is large enough can be chosen so that it is not perceptible Attenuation of the sound emitted by the listener comes. This is due to the fact that the transmission properties larger membranes are better than small ones. On the other hand the large membrane area also has the advantage that it cannot be occupied by cerumen so quickly, so that perceptible damping can be avoided for a long time.

Ferner hat die ins Gehäuse in Gehäuselängsrichtung integrierte Membran den Vorteil, dass sie beim Einschieben in den Gehörgang eine geringere Angriffsfläche bietet als Membranen, die plan an der Gehäusestirnseite also quer zum Gehörgang montiert sind. Somit kann die Gefahr des Reißens beim Einschieben vermindert werden.Furthermore, the integrated in the housing in the longitudinal direction of the housing Membrane has the advantage of being inserted into the ear canal offers a smaller area of attack than membranes, the plan on the front of the housing, so transverse to the ear canal are mounted. Thus, the risk of tearing when inserting can be reduced.

Besonders vorteilhaft ist, wenn die Cerumenschutzeinrichtung eine Aufnahmeeinrichtung umfasst, in die die Membran gegebenenfalls zusammen mit dem Hörer eingesteckt werden kann. Damit ergibt sich die Möglichkeit, dass der Hörer und die Membran leicht ausgewechselt beziehungsweise gereinigt werden können. Günstigerweise sollte die Aufnahmeeinrichtung so angeordnet sein, dass die Membran und der Hörer an der dem Trommelfell zugewandten Seite aus dem Gehäuse entnommen werden kann.It is particularly advantageous if the cerumen protection device comprises a receiving device into which the membrane may be can be plugged in together with the handset. In order to there is a possibility that the handset and the diaphragm easily replaced or cleaned can. The receiving device should advantageously be arranged in this way be that the membrane and the handset on the the Drumhead facing side can be removed from the housing can.

Die vorliegende Erfindung wird nun anhand der beigefügten Zeichnungen näher erläutert, in denen zeigen:

FIG 1
eine perspektivische Ansicht eines Gehäuses eines IdO-Hörgeräts;
FIG 2
eine Schnittansicht durch ein Hörgerät gemäß einer ersten Ausführungsform der vorliegenden Erfindung;
FIG 3
eine Schnittansicht durch ein Hörgerät gemäß einer zweiten Ausführungsform der vorliegenden Erfindung; und
FIG 4
eine perspektivische Ansicht auf das Gehäuse gemäß der zweiten Ausführungsform.
The present invention will now be explained in more detail with reference to the accompanying drawings, in which:
FIG. 1
a perspective view of a housing of an ITE hearing aid;
FIG 2
a sectional view through a hearing aid according to a first embodiment of the present invention;
FIG 3
a sectional view through a hearing aid according to a second embodiment of the present invention; and
FIG 4
a perspective view of the housing according to the second embodiment.

Die nachfolgend beschriebenen Ausführungsformen sind bevorzugte Ausführungsbeispiele der vorliegenden Erfindung.The embodiments described below are preferred Embodiments of the present invention.

FIG 1 zeigt ein Gehäuse 1 eines IdO-Hörgeräts, das die individuellen Konturen eines Gehörgangs widerspiegelt. Das Gehäuse 1 ist nährungsweise zylinderförmig, wobei der dem Trommelfell zugewandte Gehäuseabschnitt 2 einen geringeren Umfang aufweist als der zum Außenohr zugewandte Gehäuseabschnitt 3. An der zum Trommelfell zugewandten Seite weist das Gehäuse 1 eine Stirnseite 4 auf, die, falls das Hörgerät in das Ohr eingesetzt ist, im Wesentlichen senkrecht zum Gehörgang verläuft. Die Stirnseite 4 weist eine längliche Schallaustrittsöffnung 5 auf, durch die der Schall vom Hörer zum Trommelfell gelangen kann.1 shows a housing 1 of an ITE hearing aid, which the individual Reflects contours of an ear canal. The housing 1 is approximately cylindrical, with that of the eardrum facing housing section 2 to a lesser extent has as the housing section 3 facing the outer ear. On the side facing the eardrum, the housing 1 an end face 4, which, if the hearing aid in the ear is used, runs essentially perpendicular to the ear canal. The end face 4 has an elongated sound outlet opening 5 through which the sound from the earpiece to the eardrum can reach.

FIG 2 stellt ein aufgeschnittenes Gehäuse 1 dar, in das ein Hörer 6 eingebaut ist. Der Hörer 6 leitet den erzeugten Schall zunächst über eine Schallleitröhre 7 in eine Schale beziehungsweise Aufnahmeeinrichtung 8 weiter. Hierzu besitzt die Aufnahmeeinrichtung 8 eine Schalleintrittsöffnung 9, die die Schallleitröhre 7 aufnimmt oder an die die Schallleitröhre 7 montierbar ist.2 shows a cut-open housing 1 into which Handset 6 is installed. The receiver 6 routes the generated one Sound first via a sound tube 7 in a shell or receiving device 8 further. To do this the receiving device 8 has a sound inlet opening 9 the sound tube 7 receives or to which the sound tube 7 is mountable.

Die Schale beziehungsweise Aufnahmeeinrichtung 8 ist fest unterhalb der Schallaustrittsöffnung 5 an das Gehäuse 1 an der Stirnseite 4 montiert. Durch die Schallaustrittsöffnung 5 ist in die Schale 8 eine Membran 10 einschiebbar. Im eingeschobenen Zustand trennt die Membran 10 das Innere der Schale 8 in zwei Teile, wobei die Schalleintrittsöffnung dem einen Teil angehört und die Schallaustrittsöffnung 5 dem anderen. Ferner befindet sich die Membran 10 im eingesetzten Zustand gegenüber der Schalleintrittsöffnung 9 der Schale 8, und der in die Schale 8 eintretende Schall regt die Membran 10 zu Schwingungen an. Die Membran 10 überträgt den Schall in den anderen Teil der Schale, so dass er durch die Schallaustrittsöffnung 5 zum Trommelfell gelangen kann. Für Cerumen jedoch, das in die Schallaustrittsöffnung 5 vom Gehörgang in die Schale 8 eindringt, ist es aufgrund der Dichtungswirkung der Membran 10 kaum möglich, zum Hörer 6 vorzudringen. Damit ist die Verschmutzungsgefahr des Hörers 6, die eine Unbrauchbarkeit des Hörers zur Folge hat, zumindest stark reduziert.The shell or receiving device 8 is fixed below the sound outlet opening 5 to the housing 1 on the End face 4 mounted. Through the sound outlet opening 5 a membrane 10 can be inserted into the shell 8. In the inserted State separates the membrane 10 from the inside of the shell 8 in two parts, the sound inlet opening one part listened and the sound outlet 5 to the other. Further the membrane 10 is opposite in the inserted state the sound inlet opening 9 of the shell 8, and the in the shell 8 incoming sound excites the membrane 10 Vibrations. The membrane 10 transmits the sound in the other part of the bowl so that it passes through the sound outlet 5 can reach the eardrum. For cerumen however, that in the sound outlet 5 from the ear canal the shell 8 penetrates, it is due to the sealing effect the membrane 10 hardly possible to get to the listener 6. In order to is the risk of contamination of the receiver 6, which is unusable of the listener, at least greatly reduced.

Darüber hinaus lässt sich die Membran 10, die in einem geeigneten Rahmen eingebettet sein kann, zum Reinigen aus der Schallaustrittsöffnung 5 entnehmen. Günstigerweise besitzt der Rahmen, in dem die Membran 10 eingespannt ist, an der der Schallaustrittsöffnung 5 gegenüberliegenden Seite einen L-förmigen Fortsatz, mit dem beim Herausnehmen der Membran 10 auch das in den Spalt zwischen der Schalenwand und der Membran eingedrungene Cerumen entfernt werden kann.In addition, the membrane 10 can be used in a suitable Frame can be embedded for cleaning out of the Remove sound outlet 5. Conveniently owns the frame in which the membrane 10 is clamped, on which the Sound outlet opening 5 opposite L-shaped side Extension with which when the membrane 10 is removed also in the gap between the shell wall and the membrane penetrated cerumen can be removed.

Falls die Anatomie des Gehörgangs es zulässt, kann gemäß FIG 3 das Gehäuse im Bereich des zum Trommelfell zugewandten Gehäuseabschnitts 2 einen größeren Durchmesser aufweisen als das in FIG 2 dargestellte Gehäuse. Dann lässt sich der Hörer 6 zusammen mit der Cerumenschutzeinrichtung, die aus der Schale 8 einschließlich der Membran 10 besteht, unmittelbar unterhalb der Gehäusestirnfläche 4 anordnen. Somit bedarf es keiner Schallleitröhre 7 zum Leiten des Schalls vom Hörer 6 zur Membran 10. Vielmehr kann der Hörer 6 direkt in der Schale beziehungsweise Aufnahmeeinrichtung 8 untergebracht werden, so dass der Hörer 6 die Membran 10 unmittelbar beschallen kann. In diesem Fall liegt die Schallaustrittsöffnung des Hörers 6 an seiner der Membran gegenüberliegenden Seite. If the anatomy of the auditory canal allows it, according to FIG 3 the housing in the region of the housing section facing the eardrum 2 have a larger diameter than the housing shown in FIG 2. Then the handset 6 together with the cerumen protection device, which comes from the Shell 8 including the membrane 10 is immediate Arrange below the housing end face 4. So there is a need no sound tube 7 for guiding the sound from the receiver 6 to the membrane 10. Rather, the receiver 6 can directly in the shell or receiving device 8 can be accommodated, so that the listener 6 directly sonicates the membrane 10 can. In this case, the sound outlet opening of the Handset 6 on its side opposite the membrane.

In FIG 4 ist die Stirnseite 4 des Gehäuses 1 dargestellt, die in dieser zweiten Ausführungsform der vorliegenden Erfindung einen abnehmbaren Deckel 11 aufweist, an dessen Unterseite die Schale 8 angebracht ist. Beim Herausnehmen des Deckels kann somit der Hörer 6 zusammen mit der Membran 10 und der Schale 8 aus dem Hörgerät entnommen werden. Damit lässt sich sowohl die Membran 10 leicht reinigen als auch der Hörer 6 ohne weiteres austauschen.4 shows the end face 4 of the housing 1, the in this second embodiment of the present invention has a removable cover 11 on the underside thereof the shell 8 is attached. When removing the lid can thus the receiver 6 together with the membrane 10 and the Shell 8 can be removed from the hearing aid. With that you can easy to clean both the membrane 10 and the receiver 6 exchange easily.

Bei dieser Ausführungsform erfolgt die Schallführung nach der Membran wie bei der ersten Ausführungsform zwischen der Membran und der Wand der Schale 8 zu der Schallaustrittsöffnung 5, die im vorliegenden Fall durch den Deckel 11, der im Bereich der Schallaustrittsöffnungen schlitzförmige Durchlässe 12 aufweist, verschlossen ist. Die Durchlassschlitze 12 gewährleisten den Durchtritt des Schalls und verhindern aber gleichzeitig das Eindringen größerer Cerumenbestandteile in die Schallaustrittsöffnung 5.In this embodiment, the sound is guided according to the Membrane as in the first embodiment between the membrane and the wall of the shell 8 to the sound outlet opening 5, in the present case through the lid 11, which is in the area of the sound outlet openings slot-shaped passages 12 has, is closed. Ensure the through slots 12 the passage of the sound and prevent the penetration of larger cerumen components into the sound outlet opening 5.

Der Vorteil der zweiten Ausführungsform besteht darin, dass der Hörer 6 zusammen mit der Cerumenschutzeinrichtung 6, 8 als komplettes Modul zu Austauschzwecken oder Reinigungszwecken entnommen werden kann. Dies ist abhängig von der Hörergeometrie jedoch nur bei IdO-Hörgeräten möglich, deren Besitzer einen ausreichend großen Gehörgang aufweisen.The advantage of the second embodiment is that the receiver 6 together with the cerumen protection device 6, 8 as a complete module for exchange or cleaning purposes can be removed. This depends on the handset geometry however only possible with ITE hearing aids, their owners have a sufficiently large ear canal.

Claims (4)

Vorrichtung zum Beschallen eines Trommelfells, die in einen Gehörgang einsetzbar ist, mit einem Gehäuse (1), das an einem dem Trommelfell zugewandten Ende einen im Wesentlichen zylinderförmigen Gehäuseabschnitt (2) umfasst, einem in das Gehäuse (1) integrierten Hörer (6) zur Ausgabe von Schallsignalen, einer Schallaustrittsöffnung (5) in dem Gehäuse (1) an der dem Trommelfell zugewandten Seite (4) des Gehäuses (1) und einer Cerumenschutzeinrichtung (8, 10), die in das Gehäuse (1) integriert ist, zum Schutz des Hörers (6) gegen durch die Schallaustrittsöffnung (5) eindringendes Cerumen, und die eine Membran (10) umfasst, welche im Wesentlichen parallel zu der Zylinderachse des zylinderförmigen Gehäuseabschnitts (2) angeordnet ist und welche den Schall des Hörers (6) zur Weiterleitung an die Schallaustrittsöffnung (6) aufnimmt, dadurch gekennzeichnet, dass
die Cerumenschutzeinrichtung (8, 10) eine Aufnahmeeinrichtung (8), in die die Membran (10) und der Hörer (6) integriert sind, umfasst, derart, dass die Membran (10) und der Hörer (6) an der dem Trommelfell zugewandten Seite (4) aus dem Gehäuse (1) entnehmbar sind.Device for sonicating an eardrum, which can be used in an auditory canal a housing (1) which comprises an essentially cylindrical housing section (2) at an end facing the eardrum, a receiver (6) integrated in the housing (1) for outputting sound signals, a sound outlet opening (5) in the housing (1) on the side (4) of the housing (1) facing the eardrum and a cerumen protection device (8, 10), which is integrated in the housing (1), for protecting the receiver (6) against cerumen penetrating through the sound outlet opening (5), and which comprises a membrane (10) which is essentially parallel to the Cylinder axis of the cylindrical housing section (2) is arranged and which receives the sound of the receiver (6) for transmission to the sound outlet opening (6), characterized in that
the cerumen protection device (8, 10) comprises a receiving device (8), in which the membrane (10) and the earphone (6) are integrated, in such a way that the membrane (10) and the earphone (6) face the eardrum Side (4) can be removed from the housing (1). Vorrichtung nach Anspruch 1, wobei die Aufnahmeeinrichtung (8) an der dem Trommelfell zugewandten Seite (4) aus dem Gehäuse (1) entnehmbar ist. Apparatus according to claim 1, wherein the receiving device (8) on the side facing the eardrum (4) can be removed from the housing (1). Vorrichtung nach Anspruch 1 oder 2, wobei die Fläche der Membran (10) größer ist als die Stirnfläche (4) des Gehäuses (1), die dem Trommelfell zugewandt ist.Apparatus according to claim 1 or 2, wherein the surface the membrane (10) is larger than the end face (4) of the Housing (1) facing the eardrum. Hörgerät, insbesondere In-dem-Ohr-Hörgerät mit einer Vorrichtung nach einem der Ansprüche 1 bis 3.Hearing aid, in particular in-the-ear hearing aid with one Device according to one of claims 1 to 3.
EP03005841A 2002-03-28 2003-03-14 Cerumen protection system for hearing devices Withdrawn EP1349424A2 (en)

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DE10214189 2002-03-28
DE10214189A DE10214189B4 (en) 2002-03-28 2002-03-28 Device for sonicating an eardrum with a cerumen protection device and hearing aid

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US6891956B2 (en) 2005-05-10
DE10214189B4 (en) 2004-04-22
US20030198361A1 (en) 2003-10-23

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