EP1430855A1 - Device to attach a magnet or an electric bobbin in the human middle ear - Google Patents
Device to attach a magnet or an electric bobbin in the human middle ear Download PDFInfo
- Publication number
- EP1430855A1 EP1430855A1 EP03028327A EP03028327A EP1430855A1 EP 1430855 A1 EP1430855 A1 EP 1430855A1 EP 03028327 A EP03028327 A EP 03028327A EP 03028327 A EP03028327 A EP 03028327A EP 1430855 A1 EP1430855 A1 EP 1430855A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- anvil
- magnet
- fastening elements
- electrical coil
- fastening
- 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
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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
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
- H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
- H04R25/606—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers acting directly on the eardrum, the ossicles or the skull, e.g. mastoid, tooth, maxillary or mandibular bone, or mechanically stimulating the cochlea, e.g. at the oval window
Definitions
- the invention relates to a device for fastening a Magnets or an electrical coil on the human middle ear.
- This magnet or this electrical coil serves a partially or fully implanted hearing aid Receiver.
- hearing loss occurs in humans on.
- the most common type of hearing loss is so-called inner ear deafness.
- To fix this Hearing aids can be used for hearing loss.
- This Hearing aids work on different principles, such as for example the so-called electromagnetic sound transmission.
- the one function group consists of a device worn on the outside of the ear or in the outer ear area, which receives the sound from the environment, this Converted sound into electromagnetic impulses, these impulses amplified and modified and towards the ear radiates.
- a receiver is housed in the ear Receives impulses and converts them into mechanical impulses.
- a receiver is often a magnet or an electrical one Coil used in the area of the ossicles is implanted.
- the invention has for its object a device specify with which a as a recipient of a fully implanted or partially implanted hearing aid serving magnet or a electrical coil on the ossicles serving as a receiver of the human middle ear on simple, safe and that Tissue can be attached in a non-damaging manner.
- the object is achieved by a device for attaching a magnet or an electrical one Coil on the ossicles of the human middle ear, the has the features listed in the main claim, solved.
- the subclaims indicate preferred further developments.
- the ossicles of the human middle ear that the The eardrum acoustically with the liquid-filled inner ear connect, are referred to as hammer, anvil and stirrup.
- the anvil has a club shape, being longer part with a tapering diameter than a long one Anvil process is called.
- the anvil is with the stirrup connected via the so-called anvil stirrup joint.
- the device for fastening a Magnets or an electrical coil on the ossicles of the human middle ear, the device comprises two fastening elements. Both fasteners are on the magnet or the electrical coil attached. The first fastener is attached to the long anvil process defined above, and the second fastener is defined on above Anvil stirrup joint attached to the ossicles.
- fasteners made of curved resilient metal elements.
- This Metal elements can have different shapes. Important is that it is away from the doctor when attaching the magnet or the electrical coil on the one hand slightly over the long one Anvil process or the anvil stirrup joint let it slide and that on the other hand the magnet or the electrical coil then safely at all occurring Frequencies and the associated movements of the ossicles hold.
- the fasteners therefore have a preferred Embodiment a bracket-like shape. They preferably own an opening that appears when the fasteners are pushed open on the long anvil process respectively the anvil stirrup joint due to the resilient design the fasteners expanded and after sliding of the fastener on the bone by a The profile springs back again.
- the fasteners can be in different ways Magnets or the electrical coil can be attached. It can for example on the magnet or the electrical coil bars be attached, to which in turn the fasteners are attached.
- the spring characteristic of the resilient fasteners should be as flat as possible, so when pushing on the fasteners as well as when the fasteners are later seated no death on the ossicles in these places, that means no necrosis or intravital change of the tissue occurs.
- the spring force must still be so be strong that the fasteners hold securely the magnet or the electrical coil for all those interested Frequencies and thus movement patterns of the ossicles guarantee.
- the fastening device does not irritate the tissue It is advantageous to make them from titanium or one To produce titanium alloy. It is further beneficial, too the magnet or the electrical coil with an encapsulation made of titanium or a titanium alloy.
- the only drawing figure shows schematically the ossicles Anvil and stirrup of the middle ear. From the anvil only the tapered long anvil process defined above 10 and the stirrup 12 shown. The long anvil process 10 and the stirrup 12 are over the anvil stirrup joint 14 connected together.
- the drawing shows the encapsulation housing 20 of the Magnets or the electrical coil.
- This case shows here an upper web 22 and a lower web 24.
- the first fastening element 26 is attached, and on the lower web 24 is the second fastening element 28 attached.
- the fasteners 26 and 28 are here in the form of clips educated. These brackets can be sprung over the Push the ossicles. The first fastener 26 pushed over the long anvil process 10, and the second fastener 28 is over the anvil stirrup joint 14 pushed. By the spring force of the fasteners 26 and 28 these and thus the housing 20th of the magnet or the electrical coil securely to the corresponding Place the ossicles held without them to hurt.
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur Befestigung eines Magneten oder einer elektrischen Spule am menschlichen Mittelohr. Dieser Magnet oder diese elektrische Spule dient bei einem teilimplantierten oder vollimplantierten Hörgerät als Empfänger.The invention relates to a device for fastening a Magnets or an electrical coil on the human middle ear. This magnet or this electrical coil serves a partially or fully implanted hearing aid Receiver.
Beim Menschen treten unterschiedliche Arten von Schwerhörigkeit auf. Die häufigste Art der Schwerhörigkeit ist dabei die sogenannte Innenohrschwerhörigkeit. Zur Behebung dieser Schwerhörigkeit können Hörgeräte eingesetzt werden. Diese Hörgeräte arbeiten nach unterschiedlichen Prinzipien, wie beispielsweise der sogenannten elektromagnetischen Schallübertragung.Different types of hearing loss occur in humans on. The most common type of hearing loss is so-called inner ear deafness. To fix this Hearing aids can be used for hearing loss. This Hearing aids work on different principles, such as for example the so-called electromagnetic sound transmission.
Bei den hier angesprochenen Hörgeräten sind zwei Funktionsgruppen zu unterscheiden. Die eine Funktionsgruppe besteht aus einer außen am Ohr oder im äußeren Ohrbereich getragenen Vorrichtung, die den Schall aus der Umgebung empfängt, diesen Schall in elektromagnetische Impulse umwandelt, diese Impulse verstärkt und modifiziert und sie in Richtung auf das Ohr hin abstrahlt. Im Ohr ist ein Empfänger untergebracht, der die Impulse empfängt und in mechanische Impulse umwandelt. Als Empfänger wird dabei häufig ein Magnet oder eine elektrische Spule verwendet, der oder die im Bereich der Gehörknöchelchen implantiert wird.There are two functional groups in the hearing aids mentioned here to distinguish. The one function group consists of a device worn on the outside of the ear or in the outer ear area, which receives the sound from the environment, this Converted sound into electromagnetic impulses, these impulses amplified and modified and towards the ear radiates. A receiver is housed in the ear Receives impulses and converts them into mechanical impulses. As A receiver is often a magnet or an electrical one Coil used in the area of the ossicles is implanted.
Der Erfindung liegt die Aufgabe zugrunde, einen Vorrichtung anzugeben, mit der ein als Empfänger eines vollimplantierten oder teilimplantierten Hörgeräts dienender Magnet oder eine als Empfänger dienende elektrische Spule an den Gehörknöchelchen des menschlichen Mittelohrs auf einfache, sichere und das Gewebe nicht schädigende Art und Weise befestigt werden kann.The invention has for its object a device specify with which a as a recipient of a fully implanted or partially implanted hearing aid serving magnet or a electrical coil on the ossicles serving as a receiver of the human middle ear on simple, safe and that Tissue can be attached in a non-damaging manner.
Die gestellte Aufgabe wird erfindungsgemäß durch eine Vorrichtung zur Befestigung eines Magneten oder einer elektrischen Spule an den Gehörknöchelchen des menschlichen Mittelohrs, die die im Hauptanspruch aufgeführten Merkmale aufweist, gelöst. Die Unteransprüche geben bevorzugte Weiterbildungen an.According to the invention, the object is achieved by a device for attaching a magnet or an electrical one Coil on the ossicles of the human middle ear, the has the features listed in the main claim, solved. The subclaims indicate preferred further developments.
Die Gehörknöchelchen des menschlichen Mittelohrs, die das Trommelfell akustisch mit dem flüssigkeitsgefüllten Innenohr verbinden, werden als Hammer, Amboss und Steigbügel bezeichnet. Der Amboss weist eine keulenförmige Form auf, wobei sein längerer Teil mit sich verjüngendem Durchmesser als langer Ambossfortsatz bezeichnet wird. Der Amboss ist mit dem Steigbügel über das so genannte Amboss-Steigbügelgelenk verbunden.The ossicles of the human middle ear that the The eardrum acoustically with the liquid-filled inner ear connect, are referred to as hammer, anvil and stirrup. The anvil has a club shape, being longer part with a tapering diameter than a long one Anvil process is called. The anvil is with the stirrup connected via the so-called anvil stirrup joint.
Bei der erfindungsgemäßen Vorrichtung zur Befestigung eines Magneten oder einer elektrischen Spule an den Gehörknöchelchen des menschlichen Mittelohrs umfaßt die Vorrichtung zwei Befestigungselemente. Beide Befestigungselemente sind am Magneten oder der elektrischen Spule befestigt. Das erste Befestigungselement wird am oben definierten langen Ambossfortsatz befestigt, und das zweite Befestigungselement wird am oben definierten Amboss-Steigbügelgelenk der Gehörknöchelchen befestigt. In the device according to the invention for fastening a Magnets or an electrical coil on the ossicles of the human middle ear, the device comprises two fastening elements. Both fasteners are on the magnet or the electrical coil attached. The first fastener is attached to the long anvil process defined above, and the second fastener is defined on above Anvil stirrup joint attached to the ossicles.
In einer bevorzugten Ausführungsform bestehen beide Befestigungselemente aus gebogenen federnden Metallelementen. Diese Metallelemente können unterschiedliche Formen aufweisen. Wichtig ist, dass sie sich vom Arzt beim Befestigen des Magneten oder der elektrischen Spule einerseits leicht über den langen Ambossfortsatz beziehungsweise das Amboss-Steigbügelgelenk schieben lassen und dass sie andererseits den Magneten oder die elektrische Spule anschließend sicher bei allen auftretenden Frequenzen und den damit verbundenen Bewegungen der Gehörknöchelchen halten.In a preferred embodiment, there are both fasteners made of curved resilient metal elements. This Metal elements can have different shapes. Important is that it is away from the doctor when attaching the magnet or the electrical coil on the one hand slightly over the long one Anvil process or the anvil stirrup joint let it slide and that on the other hand the magnet or the electrical coil then safely at all occurring Frequencies and the associated movements of the ossicles hold.
Die Befestigungselemente weisen deshalb in einer bevorzugten Ausführungsform eine klammerartige Form auf. Sie besitzen vorzugsweise eine Öffnung, die sich beim Aufschieben der Befestigungselemente auf den langen Ambossfortsatz beziehungsweise das Amboss-Steigbügelgelenk durch die federnd elastische Ausführung der Befestigungselemente erweitert und nach dem Aufschieben des Befestigungselements auf den Knochen durch ein Zurückfedern des Profils wieder verengt.The fasteners therefore have a preferred Embodiment a bracket-like shape. They preferably own an opening that appears when the fasteners are pushed open on the long anvil process respectively the anvil stirrup joint due to the resilient design the fasteners expanded and after sliding of the fastener on the bone by a The profile springs back again.
Die Befestigungselemente können in unterschiedlicher Weise am Magneten oder der elektrischen Spule befestigt sein. Es können beispielsweise am Magneten oder der elektrischen Spule Stege befestigt sein, an denen dann wiederum die Befestigungselemente befestigt sind.The fasteners can be in different ways Magnets or the electrical coil can be attached. It can for example on the magnet or the electrical coil bars be attached, to which in turn the fasteners are attached.
Die Federkennlinie der federnden Befestigungselemente sollte möglichst flach sein, damit sowohl beim Aufschieben der Befestigungselemente als auch beim späteren Sitz der Befestigungselemente an den Gehörknöchelchen an diesen Stellen kein Absterben, das heißt keine Nekrose oder intravitale Veränderung des Gewebes, auftritt. Die Federkraft muss aber dennoch so stark sein, daß die Befestigungselemente einen sicheren Halt des Magneten oder der elektrischen Spule bei allen interessierenden Frequenzen und damit Bewegungsmustern der Gehörknöchelchen gewährleisten.The spring characteristic of the resilient fasteners should be as flat as possible, so when pushing on the fasteners as well as when the fasteners are later seated no death on the ossicles in these places, that means no necrosis or intravital change of the tissue occurs. The spring force must still be so be strong that the fasteners hold securely the magnet or the electrical coil for all those interested Frequencies and thus movement patterns of the ossicles guarantee.
Damit die Befestigungsvorrichtung keine Irritationen des Gewebes hervorruft, ist es vorteilhaft, sie aus Titan oder einer Titanlegierung herzustellen. Es ist weiter vorteilhaft, auch den Magneten oder die elektrische Spule mit einer Kapselung aus Titan oder einer Titanlegierung zu umgeben.So that the fastening device does not irritate the tissue It is advantageous to make them from titanium or one To produce titanium alloy. It is further beneficial, too the magnet or the electrical coil with an encapsulation made of titanium or a titanium alloy.
Ein Ausführungsbeispiel einer erfindungsgemäß ausgebildeten Vorrichtung zur Befestigung eines Magneten oder einer elektrischen Spule an den Gehörknöchelchen des menschlichen Mittelohrs wird nachfolgend anhand der beiliegenden Zeichnung erläutert.An embodiment of a trained according to the invention Device for fastening a magnet or an electrical Coil on the ossicles of the human middle ear is explained below with reference to the accompanying drawing.
Die einzige Zeichnungsfigur zeigt schematisch die Gehörknöchelchen
Amboss und Steigbügel des Mittelohres. Vom Amboss ist
nur der oben definierte sich verjüngende lange Ambossfortsatz
10 und der Steigbügel 12 dargestellt. Der lange Ambossfortsatz
10 und der Steigbügel 12 sind über das Amboss-Steigbügelgelenk
14 miteinander verbunden.The only drawing figure shows schematically the ossicles
Anvil and stirrup of the middle ear. From the anvil
only the tapered long anvil process defined above
10 and the
Weiter zeigt die Zeichnungsfigur das Kapselungsgehäuse 20 des
Magneten oder der elektrischen Spule. Dieses Gehäuse weist
hier einen oberen Steg 22 und einen unteren Steg 24 auf. Am
oberen Steg 22 ist das erste Befestigungselement 26 angebracht,
und am unteren Steg 24 ist das zweite Befestigungselement
28 angebracht.Furthermore, the drawing shows the
Die Befestigungselemente 26 und 28 sind hier in Form von Klammern
ausgebildet. Diese Klammern lassen sich federnd über die
Gehörknöchelchen schieben. Dabei wird das erste Befestigungselement
26 über den langen Ambossfortsatz 10 geschoben, und
das zweite Befestigungselement 28 wird über das Amboss-Steigbügelgelenk
14 geschoben. Durch die Federkraft der Befestigungselemente
26 und 28 werden diese und damit das Gehäuse 20
des Magneten oder der elektrischen Spule sicher an den entsprechenden
Stellen der Gehörknöchelchen gehalten, ohne diese
zu verletzen. The
- 1010
- AmbossfortsatzIncus
- 1212
- Steigbügelstirrup
- 1414
- Amboss-SteigbügelgelenkIncustopedial joint
- 2020
- Gehäuse des Magneten oder der elektrischen SpuleHousing of the magnet or electrical coil
- 2222
- oberer Stegupper bridge
- 2424
- unterer Steglower bridge
- 2626
- erstes Befestigungselementfirst fastener
- 2828
- zweites Befestigungselementsecond fastener
Claims (8)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE20219862U | 2002-12-21 | ||
| DE20219862U DE20219862U1 (en) | 2002-12-21 | 2002-12-21 | Device for attaching a magnet or an electrical coil to the human middle ear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1430855A1 true EP1430855A1 (en) | 2004-06-23 |
| EP1430855B1 EP1430855B1 (en) | 2007-08-15 |
Family
ID=7978231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03028327A Expired - Fee Related EP1430855B1 (en) | 2002-12-21 | 2003-12-10 | Device to attach a magnet or an electric bobbin in the human middle ear |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1430855B1 (en) |
| DE (2) | DE20219862U1 (en) |
| ES (1) | ES2289231T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012154404A1 (en) * | 2011-05-06 | 2012-11-15 | Enteroptyx, Inc. | Ossicular prosthesis with stabilizer and method of use with intact stapes |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4655776A (en) * | 1984-01-12 | 1987-04-07 | Oto Enterprises, Inc. | Prostheses for ossicular reconstruction |
| EP0563767A1 (en) * | 1992-03-28 | 1993-10-06 | Heinz Kurz | Auditory ossicle prosthesis |
| WO1998006237A1 (en) * | 1996-08-07 | 1998-02-12 | St. Croix Medical, Inc. | Hearing aid transducer support |
| WO1999015111A1 (en) * | 1997-09-25 | 1999-04-01 | Symphonix Devices, Inc. | Biasing device for implantable hearing device |
| US6277148B1 (en) * | 1999-02-11 | 2001-08-21 | Soundtec, Inc. | Middle ear magnet implant, attachment device and method, and test instrument and method |
-
2002
- 2002-12-21 DE DE20219862U patent/DE20219862U1/en not_active Expired - Lifetime
-
2003
- 2003-12-10 DE DE50307947T patent/DE50307947D1/en not_active Expired - Lifetime
- 2003-12-10 EP EP03028327A patent/EP1430855B1/en not_active Expired - Fee Related
- 2003-12-10 ES ES03028327T patent/ES2289231T3/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4655776A (en) * | 1984-01-12 | 1987-04-07 | Oto Enterprises, Inc. | Prostheses for ossicular reconstruction |
| EP0563767A1 (en) * | 1992-03-28 | 1993-10-06 | Heinz Kurz | Auditory ossicle prosthesis |
| WO1998006237A1 (en) * | 1996-08-07 | 1998-02-12 | St. Croix Medical, Inc. | Hearing aid transducer support |
| WO1999015111A1 (en) * | 1997-09-25 | 1999-04-01 | Symphonix Devices, Inc. | Biasing device for implantable hearing device |
| US6277148B1 (en) * | 1999-02-11 | 2001-08-21 | Soundtec, Inc. | Middle ear magnet implant, attachment device and method, and test instrument and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012154404A1 (en) * | 2011-05-06 | 2012-11-15 | Enteroptyx, Inc. | Ossicular prosthesis with stabilizer and method of use with intact stapes |
| US8641760B2 (en) | 2011-05-06 | 2014-02-04 | Enteroptyx | Ossicular prosthesis with stabilizer and method of use with intact stapes |
Also Published As
| Publication number | Publication date |
|---|---|
| DE20219862U1 (en) | 2003-02-27 |
| EP1430855B1 (en) | 2007-08-15 |
| ES2289231T3 (en) | 2008-02-01 |
| DE50307947D1 (en) | 2007-09-27 |
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