







Die Erfindung betrifft ein Ohrpassstück bzw. eine Otoplastik für Hinter-dem-Ohr (HdO)-Geräte auf dem Gebiet der Hörakustik. Diese Geräte werden oftmals auch als sogenannte HdO-Secret-Ears (SE) bezeichnet. Dabei findet ein verhältnismäßig kurzer Schallschlauch Anwendung, mit dem es gelingt, die Reibungsverluste insbesondere des hochfrequenten Schallanteils merklich zu reduzieren.The invention relates to an earmold or an earmold for behind-the-ear (BTE) devices in the field of hearing acoustics. These devices are often referred to as so-called BTE Secret Ears (SE). In this case, a relatively short sound tube is used, with which it is possible to significantly reduce the friction losses, in particular of the high-frequency sound component.
Der Schallschlauch muss allerdings exakt im bzw. am Gehörgang positioniert werden, wozu regelmäßig ein Ohrpassstück bzw. eine Otoplastik Verwendung findet, die individuell an die menschliche Anatomie des Ohres des zu behandelnden Patienten angepasst wird. Es haben sich bis heute verschiedene Formen der Otoplastik durchgesetzt, wobei einige, nämlich die sogenannten "offenen" HdO-Otoplastiken besonders bevorzugt werden, um den Gehörgang möglichst minimal durch einen "Fremdkörper" zu verlegen bzw. bereichsweise zu verschließen. diese "offene" HdO-Versorgung hat dabei den Vorteil, dass die noch vorhandene Aufnahmefähigkeit des Gehörs in ihrer Natürlichkeit so gering wie möglich beeinträchtigt wird.However, the sound tube must be positioned exactly in or on the auditory canal, to which an ear piece or an ear mold is regularly used, which is adapted individually to the human anatomy of the ear of the patient to be treated. To date, various forms of earmould have prevailed, with some, namely the so-called "open" BTE earmolds being particularly preferred in order to minimize the risk of misplacing or closing the auditory canal by a "foreign body". This "open" BTE supply has the advantage that the remaining capacity of hearing is impaired as little as possible in their naturalness.
Bekannte einschlägige Otoplastiken sind als "SE-Schalenform, SE-Spangenform oder SE-Krallenform" bekannt (siehe Ulrich Voogdt: Otoplastik - Die individuelle Otoplastik zur Hörgeräte-Versorgung..., Band 2 der wissenschaftlichen Fachbuchreihe "Akademie für Hörgeräte-Akustik", Median-Verlag von Killisch-Horn GmbH, 1993). Eine Abwandlung dieser gängigen Otoplastiken stellt die "offene" Lösung dar. Allen Varianten ist jedoch gemeinsam, dass es häufig nicht gelingt die hörtechnische Korrektur so natürlich wie möglich abzubilden.Known relevant earmolds are known as "SE shell form, SE brace form or SE-claw form" (see Ulrich Voogdt: Otoplasty - The individual earmould for hearing aid care ..., Volume 2 of the scientific book series "Academy for hearing aid acoustics", Median-Verlag of Killisch-Horn GmbH, 1993). A variant of these common earmoulds is the "open" solution. However, all variants have in common that it is often not possible to reproduce the hearing correction as naturally as possible.
Aufgabe der Erfindung ist es deshalb, eine Otoplastik für "offene" HdO-Versorgungen, für CI-Komponenten (Cochlea Implant-Mikrofon-Systeme bzw. CI-HdO-Prozessoren) oder HdO-Tinnitus-Systeme zu schaffen, die sich nicht nur durch ein minimalisiertes Fremdkörpergefühl und guten Tragekomfort, sondern vorrangig dadurch auszeichnet, dass die natürliche Schallverarbeitung im menschlichen Ohr so unverfälscht wie möglich genutzt werden kann, um dadurch ein Höchstmaß an hörakustischer Korrektur und Natürlichkeit des Hörempfindens zu gewährleisten.The object of the invention is therefore to provide an earmold for "open" BTE restorations, for CI components (cochlear implant microphone systems or CI BTE processors) or BTE tinnitus systems that not only by a minimalized foreign body sensation and good wearing comfort, but primarily characterized by the fact that the natural sound processing in the human ear can be used as genuine as possible, thereby ensuring the highest level of acoustic correction and naturalness of the auditory sensation.
Diese Aufgabe wird durch eine Otoplastik nach Anspruch 1 gelöst.This object is achieved by an earmold according to
Die oben angegebene Aufgabe wird dadurch gelöst, dass die Otoplastik erstmalig an einer Stelle der Ohrmuschel positioniert wird, die vollständig außerhalb der Cavum conchae liegt. Es hat sich überraschenderweise gezeigt, dass es bei Positionierung des haltgebenden Teils der Otoplastik in der Cymba ohne weiteres gelingt, im Zusammenwirken mit der Eigenstabilität des flexiblen Signalleiters bzw. des Schallschlauchs, diesen exakt und reproduzierbar im Gehörgang zu positionieren, der erfindungsgemäß von keinem Otoplastik-Bauteil mehr verlegt wird. Damit eignet sich diese Otoplastik in besonderem Maß neben "offenen" Standard-Applikationen für Anwendungsfälle bei Kindern mit einohriger Taubheit oder z.B. bei normal hörenden Schülern mit einer sogenannten Lese-Rechtschreibe-Schwäche in Verbindung mit sogenannten FM (Frequenzmodulation)-Systemen, bei denen das Sprechsignal des Lehrers über Mikrofon und eine Mikroport-Anlage in den Gehörgang des hörbehinderten Kindes eingespeist wird. Speziell in diesem Fall kommt es ganz besonders auf die Ausnützung der natürlichen Gehörgang-Resonanz an, was durch die erfindungsgemäße Otoplastik in bislang nicht erzieltem Maße gegeben ist. Aufgrund der verbesserten Randbedingungen wird es darüber hinaus einfacher, die akustische Ankopplung des Hörgeräts zur Frequenz- und Dynamik-Beeinflussung vorzunehmen, so dass sich die erfindungsgemässe Otoplastik auch für den Medieneinsatz, wie z.B. bei TV-Live-Interviews als eine Art von "offenem In-Ear-Monitoring" anbietet, wobei in diesem Fall beispielsweise eine Simultan-Übersetzung oder das Sprechsignal eines Souffleurs unter möglichst natürlichen Bedingungen in den Gehörgang eingespeist werden.The above object is achieved in that the earmold is first positioned at a point of the auricle, which lies completely outside the cavum conchae. Surprisingly, it has been found that it is readily possible, when interacting with the inherent stability of the flexible signal conductor or the sound tube, to precisely and reproducibly position it in the auditory canal when positioning the holding part of the otoplastic in the cymba. Component is laid more. Thus, this otoplasty is particularly suitable in addition to "open" standard applications for applications in children with monotony deafness or eg in normal hearing students with a so-called read-spelling weakness in conjunction with so-called FM (frequency modulation) systems in which the Speech signal of the teacher via microphone and a microport system is fed into the ear canal of the hearing impaired child. Especially in this case, it is particularly on the exploitation of the natural Auditory canal resonance, which is given by the ear mold according to the invention in previously not achieved extent. Due to the improved boundary conditions, it is also easier to make the acoustic coupling of the hearing aid for frequency and dynamics influence, so that the inventive earmold for media use, such as in TV live interviews as a kind of "open In -Ear monitoring "offers, in which case, for example, a simultaneous translation or the speech signal of a Souffleurs are fed under natural conditions as possible in the ear canal.
Ein besonderer Vorzug der Otoplastik ist auch darin zu sehen, dass bezüglich der Gestaltung des den Rand der Ohrmuschel bogenförmig übergreifenden Bügels eine große Freiheit besteht, was wiederum zur zusätzlichen Stabilisierung der Otoplastik genutzt werden kann. Die Weiterbildung nach Anspruch 2 geht in diese Richtung.A particular advantage of the earmold is also to be seen in the fact that with respect to the design of the edge of the auricle arc-shaped cross-shaped bracket is a great deal of freedom, which in turn can be used for additional stabilization of the earmold. The development according to claim 2 goes in this direction.
Wenn sich der haltgebende Hauptkörper der Otoplastik gemäß Anspruch 3 in den Bereich der Crus Anthelicis hinein erstreckt, wird die Stabilisierung des Hauptkörpers weiter verbessert, wodurch es gelingt, die Größe des Hauptkörpers weiter zu verringern. Dies verbessert gleichzeitig den Tragekomfort und hat auch hinsichtlich der Kosmetik Vorteile.When the holding main body of the otoplastic according to claim 3 extends into the crus anthelicis region, the stabilization of the main body is further improved, thereby further reducing the size of the main body. At the same time, this improves the wearing comfort and also has advantages in terms of cosmetics.
Die Ausführungsform hat den Vorzug, dass sie bei speziellen Sonder-Applikationen, wie z.B. bei sehr engem Gehörgang oder starker Terminal-Behaarung im Gehörgang oder sonstigen Anomalien der Ohranatomie ohne Komplikationen einsetzbar ist.The embodiment has the advantage that it can be used without complications in special special applications, such as in the case of a very narrow auditory canal or strong terminal hairiness in the ear canal or other anomalies of the ear anatomy.
Weiterbildungen der Erfindung sind Gegenstand der übrigen Unteransprüche.Further developments of the invention are the subject of the remaining dependent claims.
Nachstehend werden anhand schematischer Zeichnungen Ausführungsbeispiele der Erfindung näher erläutert. Es zeigen:
In den Fig. 1 bis 4 ist eine erste Ausführungsform der erfindungsgemäßen Otoplastik gezeigt.FIGS. 1 to 4 show a first embodiment of the earmold according to the invention.
Die Otoplastik, die schraffiert hervorgehoben ist, ist mit dem Bezugszeichen 120 bezeichnet. Sie ist derart angeordnet, dass die Cavum conchae vollständig frei bleibt. Stattdessen ist die Otoplastik im Bereich der Cymba conchae 50, im gezeigten Fall mit einer Erstreckung in den Bereichen der Crus anthelicis 52, 54 angeordnet.The earmold, which is highlighted hatched, is designated by the
Die Otoplastik ist der Anatomie des Patienten individuell angepasst und sie besteht im Wesentlichen aus zwei Komponenten, nämlich einem haltgebenden Teil 156, der formschlüssig versenkt in der Cymba conchae 50 aufgenommen ist, und einem den Rand 58 der Ohrmuschel bogenförmig übergreifenden Bügel 160, der an seinem Ende die Halterung für den flexiblen Schallschlauch 128 ausbildet. Der Schallschlauch 128 ist - wie in Fig. 2 gezeigt - abgewinkelt in das Innere des Gehörgangs 26 geführt und kann dort beispielsweise einen sogenannten Cerumdefender 162 tragen.The otoplastic is individually adapted to the anatomy of the patient and consists essentially of two components, namely a
Diese Ausführungsform der Otoplastik hat ein kleines Bauvolumen und sie lässt - wie in der Fig. 2 entnehmbar ist - den Gehörgang quasi unbeeinflusst.This embodiment of the earmold has a small construction volume and it allows - as can be seen in FIG. 2 - the auditory canal virtually unaffected.
In den Fig. 3 und 4 ist eine in der Praxis eingesetzte Otoplastik vergrößert wiedergegeben. Man erkennt deutlich die mehrfach gekrümmte Oberflächengestaltung des Hauptkörpers, die für den passgenauen und verschiebesicheren Sitz in der Cymba conchae verantwortlich ist. Die Ausführungsform nach Fig. 3, 4 ist für einen Patienten hergestellt worden, bei dem die Cymba conchae ausgesprochen großvolumig ausgebildet ist.In Figs. 3 and 4, an inserted earplug is shown enlarged in practice. It clearly shows the multi-curved surface design of the main body, which is responsible for the custom-fit and secure fit in the Cymba conchae. The embodiment of Fig. 3, 4 has been made for a patient in which the Cymba conchae is designed very large volume.
In den Fig. 5 und 6 ist eine weitere Ausführungsform gezeigt, die bei einem Patienten mit wesentlich kleinerer Cymba conchae angewendet wurde. Die mit 220 bezeichnete Otoplastik hat einen wesentlich kleineren Hauptkörper 256, der allerdings wiederum mehrfach räumlich gekrümmt ist, so dass die erforderliche Hinterschneidung mit der Oberfläche des Ohrs zustande kommt.Referring now to Figures 5 and 6, there is shown a further embodiment applied to a patient having a significantly smaller cymbal conchae. The otoplastic designated 220 has a much smaller
Der Ansicht nach Fig. 6 kann entnommen werden, dass der sichtbare Teil der Otoplastik 220 minimal gehalten ist.In the view of FIG. 6 it can be seen that the visible part of the
Selbstverständlich können für die erfindungsgemäßen Otoplastiken alle gängigen Werkstoffe verwendet werden, wie z.B. heiß- und kalt-polymerisierendes PMMA oder Lichtpolymerisat. Aufgrund des geringen Volumens der Otoplastik bieten sich insbesondere auch farbige Gestaltungen eventuell mit Schmuckapplikationen an. Aber auch Metalle, wie Edelstahl, Gold, Silber, Platin, Titan (Spritzguß- oder Schleuderguß-Verfahren) können eingesetzt werden, wobei es auch möglich ist mit der Galvanotechnik zu arbeiten.Of course, for the earmolds according to the invention all common materials can be used, such. hot and cold-polymerizing PMMA or photopolymer. Due to the small volume of the otoplastic, in particular, colored designs may also be suitable for jewelry applications. But metals, such as stainless steel, gold, silver, platinum, titanium (injection molding or centrifugal casting process) can be used, and it is also possible to work with the electroplating.
Fig. 7 zeigt eine weitere Ausgestaltung der Otoplastik nach den Fig. 1 bis 6. Auch hier sind zur Vereinfachung der Beschreibung für Abschnitte und Komponenten, die in Fig. 1 bis 6 ein Pendant besitzen, gleiche Bezugszeichen verwendet, denen eine "4" vorangestellt ist.Fig. 7 shows a further embodiment of the earmold according to FIGS. 1 to 6. Again, to simplify the description of sections and components that have a counterpart in Fig. 1 to 6, the same reference numerals are used, preceded by a "4" is.
Man erkennt, dass der den Rand 458 der Ohrmuschel bogenförmig übergreifende Bügel 460 aus der mit strichpunktierter Linie angedeuteten Lage nach unten geschwenkt ist.It can be seen that the
Fig. 8 bis 10 zeigen eine erste Ausführungsform dieser Modifikation. Mit dem Bezugszeichen 461 ist eine Schallschlauchöse bezeichnet, die einen Schallschlauch 428 stabilisiert.Figs. 8 to 10 show a first embodiment of this modification.
Eine zweite Variante der Abwandlung der Otoplastik nach Fig. 7 zeigen die Fig. 11 und 12. Auch hier sind zur Vereinfachung der Beschreibung für Abschnitte und Komponenten, die in den Fig. 8 bis 10 ein Pendant besitzen, gleiche Bezugszeichen verwendet, denen allerdings eine "5" vorangestellt ist.A second variant of the modification of the earmold according to FIG. 7 is shown in FIGS. 11 and 12. Here too, the same reference numerals are used to simplify the description for sections and components which have a counterpart in FIGS Preceded by "5".
Der Bügel 560 verläuft noch steiler als bei der Ausführungsform nach den Fig. 8 bis 10.The
Eine zweite Variante der Abwandlung der Otoplastik nach Fig. 7 zeigen die Fig. 13 und 14. Auch hier sind zur Vereinfachung der Beschreibung für Abschnitte und Komponenten, die in Fig. 1 bis 11 ein Pendant besitzen, gleiche Bezugszeichen verwendet, denen hier eine "6" vorangestellt ist.A second variant of the modification of the ear mold according to FIG. 7 is shown in FIGS. 13 and 14. Here too, for the sake of simplicity, the description of sections and FIGS Components that have a counterpart in Fig. 1 to 11, the same reference numerals used, which is preceded by a "6" here.
Die Schallschlauchhalterung ist von einem im oberen Bereich des Gehörgangs angeordneten Gehörgangszapfen 644 gebildet, der den Schallschlauch 628 umschließt.The sound tube holder is formed by a located in the upper region of the ear canal
Schließlich zeigen die Fig. 15 und 16 eine Abwandlung der Varianten der Fig. 11 bis 14. Einer Gehörgangszapfen 744 ist eine Stützvorrichtung 780 zugeordnet.Finally, FIGS. 15 and 16 show a modification of the variants of FIGS. 11 to 14. An
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| DE29918139U | 1999-10-14 | ||
| DE29918139UDE29918139U1 (en) | 1999-10-14 | 1999-10-14 | Otoplasty for behind-the-ear (BTE) hearing aids | 
| DE20009908U | 2000-06-02 | ||
| DE20009908UDE20009908U1 (en) | 1999-10-14 | 2000-06-02 | Otoplasty for behind-the-ear (BTE) hearing aids | 
| EP00969502AEP1224839B1 (en) | 1999-10-14 | 2000-10-13 | Otoplastic for behind-the-ear hearing aids | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| EP00969502.4Division | 2000-10-13 | ||
| EP00969502ADivisionEP1224839B1 (en) | 1999-10-14 | 2000-10-13 | Otoplastic for behind-the-ear hearing aids | 
| Publication Number | Publication Date | 
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| EP1345471A1 EP1345471A1 (en) | 2003-09-17 | 
| EP1345471B1true EP1345471B1 (en) | 2007-09-05 | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| EP03007811AExpired - LifetimeEP1345471B1 (en) | 1999-10-14 | 2000-10-13 | Otoplastic for behind-the-ear hearing aids | 
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| EP (1) | EP1345471B1 (en) | 
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