EP1067820A2 - Anordnung zum mechanischen Ankoppeln eines Treibers an eine Ankoppelstelle der Ossikelkette - Google Patents
Anordnung zum mechanischen Ankoppeln eines Treibers an eine Ankoppelstelle der Ossikelkette Download PDFInfo
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- EP1067820A2 EP1067820A2 EP00105228A EP00105228A EP1067820A2 EP 1067820 A2 EP1067820 A2 EP 1067820A2 EP 00105228 A EP00105228 A EP 00105228A EP 00105228 A EP00105228 A EP 00105228A EP 1067820 A2 EP1067820 A2 EP 1067820A2
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- Prior art keywords
- coupling
- coupling element
- arrangement according
- sliding part
- arms
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- 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 an implantable arrangement for mechanical coupling of an output-side driver part that can be excited to mechanical vibrations Hearing system to a preselected coupling point on the ossicular chain, the stirrup footplate or one the round window or an artificial window in the cochlea, in the Vestibule or in the labyrinth (balance organ) final membrane over a coupling arrangement that connects to the preselected coupling point has bringable coupling element.
- the sound signal is converted using a transducer (microphone) converted into an electrical signal and in an electronic signal processing stage reinforced; this amplified electrical signal becomes an implanted electromechanical Transducer fed, its output-side mechanical vibrations directly, i.e. with direct mechanical contact, the middle or Inner ear are fed.
- a transducer microphone
- this amplified electrical signal becomes an implanted electromechanical Transducer fed, its output-side mechanical vibrations directly, i.e. with direct mechanical contact, the middle or Inner ear are fed.
- the piezoelectric method requires a mechanically direct coupling of the output-side transducer vibrations to the middle ear or directly to the oval window.
- the coupling of forces can take place on the one hand via an air gap ("contactless"), that is to say that only a permanent magnet is brought into direct mechanical contact with a middle ear crosspiece by permanent fixation.
- the partially implantable, piezoelectric hearing system of the Japanese group around Suzuki and Yanigahara requires the absence of the middle ear and a free tympanic cavity in order to implant the transducer in order to be able to couple the piezo element to the stapes (YANIGAHARA et al .: Efficacy of the partially implantable middle ear implant in middle and inner ear disorders. Adv. Audiol., Vol. 4, Karger Basel (1988), pp. 149-159. SUZUKI et al .: Implantation of partially implantable middle ear implant and the indication. Adv. Audiol. , Vol. 4, Karger Basel (1988), pp. 160-166).
- the electromagnetic transducer according to Ball (“ Floating Mass Transducer FMT “, US Pat. No. 5,624,376, US Pat. No. 5,554,096), on the other hand, is fixed directly to the long extension of the anvil with titanium clips when the middle ear is intact.
- the electromagnetic transducer of the semi-implantable system according to FREDRICKSON (FREDRICKSON et al .: Ongoing investigations into an implantable electromagnetic hearing aid for moderate to severe sensorineural hearing loss. Otolaryngologic Clinics Of Nord America, Vol. 28/1 (1995), pp. 107-121 ) is mechanically coupled directly to the anvil body when the middle ear ossicle chain is also intact.
- the converter can be used as a so-called “floating mass” converter be implemented, i.e. the transducer element does not require a “reaction” via a fixed screw connection with the skull bone, but it vibrates due to laws of inertia with its transducer housing and transfers it directly to a middle ear cross-member (US-A-5 624 376, US-A-5 554 096, US-A-5 707 338, WO 98/06236).
- a middle ear cross-member US-A-5 624 376, US-A-5 554 096, US-A-5 707 338, WO 98/06236).
- the transducers with their electrical lead brought into the middle ear and there with the help of suitable surgical Tools must be fixed; this requires extended access through the chorda facialis angle and thus brings a latent threat to the immediate Facial nerves in the neighborhood (facial nerve).
- the transducer housing is attached to the skull cap with implantable positioning and fixation systems (advantageous embodiment DE-A-196 18 964 corresponding to US-A-5 788 711).
- implantable positioning and fixation systems (advantageous embodiment DE-A-196 18 964 corresponding to US-A-5 788 711).
- FREDRICKSON Ongoing investigations into an implantable electromagnetic hearing aid for moderate to severe sensorineural hearing loss. Otolaryngologic Clinics Of Nord America, Vol. 28/1 (1995), pp. 107-121) as well as in the fully implantable Hearing system according to LEYSIEFFER and ZENNER (ENT 1998, Vol.
- Cold-flowing elements for coupling an implantable hearing aid transducer to the ossicles or perilymph ".
- These are, in particular, coupling elements made of gold, preferably soft-annealed fine gold, in the form of a C-band for the long anvil process, a band loop for the long anvil process and a bell for that Stirrup heads, these coupling elements can be coupled using standard ear surgical instruments and, if necessary, can also be detached again.
- the eardrum forms the driver part on the output side.
- the object of the present invention is an implantable arrangement for the mechanical coupling of an output side that can be excited to mechanical vibrations
- the arrangement according to the invention ensures that it is particularly simple and nevertheless reliable Way for a safe mechanical coupling and possibly also decoupling of the driver part on the output side to the highly shock and pressure sensitive Structures of the middle ear. Coupling and uncoupling processes can be done quickly and accurately be carried out without endangering the ossicle chain.
- the design is such that the coupling element in the open position essentially without exerting any force on the coupling point can be brought into and out of engagement with it.
- the coupling element can preferably be a clamp, in particular a spring clamp at least two clamp elements lying against the coupling point in the closed position be formed, the mutual distance between them by means of the adjusting device can be changed optionally.
- the actuating device can have actuating arms acting on the clamp elements, which can be actuated to selectively the coupling element between the open position and to adjust the closed position.
- a locking device is preferably provided, by means of which the coupling element can be locked in the open position and / or the closed position.
- the locking device can be a slider that interacts with the actuating arms have stored sliding part.
- the arrangement is also advantageous with Means to prevent loss of the sliding part equipped.
- the coupling element can expediently be connected to the driver part in FIG Drive connection standing coupling rod to be attached.
- the sliding part can be slidably mounted.
- the actuating arms engage at the ends of the clamp elements remote from the coupling rod, whereby the actuating arms at a distance substantially parallel to the bracket elements in Extend towards the coupling rod and terminate in positions, the mutual Distance to adjust the coupling element between the open position and the Lock position can be changed.
- the sliding part can advantageously be brought into a position in which it is over the positions of the control arms and fixes the control arms in a position in which the coupling element is in the open position.
- that can Sliding part can also be brought into a position in which it is between the positions the actuating arms engages and fixes the actuating arms in a position in which the Coupling element is in the closed position.
- the sliding part and the Positioning the actuating arms expediently with locking means for locking the sliding part provided in the position enforcing the closed position of the coupling element.
- control arms with the ends of the clamp elements facing the coupling rod connected are the control arms with the ends of the clamp elements facing the coupling rod connected, and the mutual distance of the actuating arms can be adjusted changed the coupling element between the open position and the closed position become.
- the other end of the actuating arms with the coupling rod is expedient connected.
- the actuating arms can be connected in one piece to the assigned clamp element his; they can be in a position corresponding to the open position of the coupling element biased and by means of the sliding part against the bias in one of the Closed position of the coupling element corresponding position can be adjustable.
- the sliding part is advantageously in one of the open positions of the coupling element corresponding latching position and one corresponding to the closed position of the coupling element Lockable position lockable to prevent unintentional adjustment movements of the Exclude coupling element safely.
- the actuating arms can be used to lock the Sliding part can be designed in either one and the other locking position. It but can also at least one locking spring for locking the sliding part in optional one and the other locking position may be provided.
- the arrangement according to the invention can be part of an active hearing system in which the driver on the output side is part of an electromechanical hearing aid converter.
- the Arrangement according to the invention can also be part of a passive hearing system, in particular a partial or full middle ear prosthesis, in which the implanted Condition that the eardrum is used as the driver part on the output side.
- Fig. 1 is a part of a human skull 1 with the auditory canal 2, the of which separated by the eardrum 3 middle ear space (tympanic cavity) 4 and in the ossicular chain 5 located in the tympanic cavity. Belong to the ossicle chain 5 the hammer 6, the anvil 7 with the long anvil extension 8 and the stirrup 9 with the stirrup footplate 10.
- an artificial mastoid cavity 12 is an electromechanical Hearing aid converter 13 by means of a positioning and generally designated 14 Fixing system fixed.
- the hearing aid transducer 13 can be used, for example, as a piezo transducer vibratory stimulation of the ossicular chain, in particular that of US Pat. No. 5,277,694 be constructed in a known manner, and it is part of an at least partially implantable and preferably fully implantable hearing aid, for example a hearing aid of the type known from ENT 1997 Vol. 45, 749-774.
- a vibration transmission path in the form of a biocompatible, mechanically passive coupling arrangement 17 is provided.
- the coupling arrangement is connected to the driver part 15 which can be actively oscillated on the output side, and it is in the implanted state with one of the hearing aid transducers 13 remote coupling end at the coupling point 16.
- the coupling arrangement 17 is by means of of the driver part 15 on the output side to vibratory vibrations in the axial direction the coupling arrangement causes.
- a (not shown) input-side converter microphone
- Audio signals after electronic amplification in an electronic module of the active Hearing system directly to mechanical deflections of the coupling arrangement 17.
- the deflections of the Coupling arrangement 17 are on the ossicular chain 5 of the middle ear or on the stirrup 9, the stirrup footplate 10 or a membrane, not shown, passed on, which is the oval or round window or an artificial window in the cochlea, in the vestibule or in the labyrinth (organ of balance).
- the deflections of the Coupling arrangement thus effect if the preprocessing is designed accordingly electronic system has an audiological amplification effect.
- the coupling arrangement 17 has one in the illustrated embodiment the output-side driver part 15 mechanically fixed coupling rod 19, which in the embodiment shown essentially over its entire length Has the shape of a straight cylinder.
- the coupling rod 19 extends in the implanted State from the mastoid cavity 12 through one in the rear auditory canal wall 20 located natural bone breakthrough (aditus ad antrum) 21 into the Timpani cave 4.
- the coupling arrangement 17 also includes a one illustrated in detail in FIGS. 2 to 4 Coupling element 22, which is remote from the hearing aid converter 13 End of the coupling rod 19 is connected.
- the coupling element 22 is in this Embodiment as a spring clip with two resilient clip elements 23, 24 educated. In the implanted state, the clamp elements 23 and 24 lie in Area of the coupling point 16, preferably with a slight spring preload, to one another diametrically opposite sides of the target ossicle 8. This is what happens a dynamic tension-compression-force coupling of coupling element 22 and target ossicle (In the illustrated case, the long anvil process 8).
- the bracket elements 23 and 24 are designed in the illustrated embodiment to be the target ossicle 8 encompass along a larger part of its circumference and for a force and / or Positive connection between the coupling arrangement 17 and the coupling point 16 to care. In the relaxed state, they delimit a space 26 that approximately corresponds to the cross section of the target ossicle 8 at the coupling point 16.
- the coupling element 22 can be actuated by means of an adjusting device, designated as a whole by 30 between an open position in which the coupling element with the coupling point 16 can be freely brought in and out of engagement, and a closed position adjust in which the coupling element in the implanted state with the Coupling point is in force and / or positive connection.
- the steeple 30 has two adjusting arms 31, 32 which are remote from the coupling rod 19 Ends 27, 28 of the clamp elements 23 and 24 are integrally connected.
- the control arms 31, 32 extend substantially parallel to and outwards at a distance from the clamp elements 23 and 24 in the direction of the coupling rod 19. They run out in outwardly curved positions 33 and 34, respectively relaxed state at a distance from each other on both sides of the coupling rod 19.
- the coupling element 22 additionally assigned a locking device, designated overall by 40, which allows the coupling element 22 both in the open position according to FIGS and 6 as well as in the closed position according to FIG. 8.
- the locking device 40 has a sliding sleeve 41 which can be displaced along the coupling rod 19.
- the Inner diameter of the sliding sleeve 41 is graduated.
- One of the coupling element 22 remote part 42 of the sliding sleeve 41 has an inner diameter that only is slightly larger than the outer diameter of the coupling rod 19.
- a the coupling element 22 facing part 43 of the sliding sleeve 41 has an inner diameter, which is so much larger than the outer diameter of the coupling rod 19, that the sliding sleeve part 43 is pushed onto the actuating ends 33, 34 of the actuating arms 31, 32 can be, if the actors are placed against the coupling rod 19 (figures 5 and 6).
- the sliding sleeve 41 is placed over the positioning ends 33, 34 Adjusting arms 31, 32 pushed.
- the ends 27, 28 remote from the coupling rod 19 the clamp elements 23, 24 are thereby pulled apart into the open position (Fig. 5).
- the coupling element 22 is then moved in the direction of arrow 37 and with brought into engagement with the target ossicle 8 according to FIG. 6.
- the actuators spring outwards (arrows 36 in Fig. 7), and the ends 27, 28 of the bracket elements 23, 24 move towards each other to (arrows 46 in Fig. 7).
- the coupling element 22 is now in its closed position. In this position, the coupling element 22 is locked by the sliding sleeve 41 in accordance with arrows 47 (FIG. 8) in the direction of the coupling element 22 and the part 43 of the sliding sleeve 41 between the actuating ends 33, 34 of the actuating arms 31, 32 is pressed as shown in FIG. 8.
- the sliding sleeve 41 presses the actuators 33, 34 outwards in the direction of arrows 36; in this way it holds the coupling element 22 closed.
- the sliding sleeve 41 has an annular recess on the outside 48 provided.
- the actuating arms 31, 32 also lie in this indentation 48 a locking projection 49 or 50.
- the sliding sleeve 41 is in the Locked position locked.
- FIGS. 9 to 11 show a modified embodiment of a coupling element 52 with a spring clip having two clip elements 53 and 54.
- the Clamp elements 53, 54 are at their ends 55 facing the coupling rod 19, 56 each with an actuating arm 57 or 58, generally designated 59 Actuator connected in one piece.
- the actuating arms 57, 58 are essentially in the axial extension of the coupling rod 19, and its from the clamp elements 23, 24 ends 60, 61 are at the coupling element end of the Coupling rod 19 attached.
- It is a locking device 62 with an elastically stretchable Sliding ring 63 is provided, which engages around the adjusting arms 57, 58 and along the Arms can be moved.
- the sliding ring 63 In the open position of the coupling element 52 illustrated in FIGS. 9 and 10 the sliding ring 63 is located near the ends 60, 61 of the coupling rod Adjusting arms 57, 58. These ends are folded outwards and form in this way a loss protection for the sliding ring 63.
- the actuating arms 57, 58 are in one of the Biased position of the coupling element 52 corresponding position.
- the coupling element 52 can be pushed onto target ossicle 8 in this position (arrow 37 in Fig. 9) without the free ends 64, 65 of the clamp elements 53 and 54 the target ossicle 8 or the possibly provided intermediate layer 51. After the coupling element 52 is brought into the position according to FIG.
- FIGS. 12 and 13 differs from that of Figures 9 to 11 essentially only in that adjusting arms 70, 71 without the bulges 67,68 are provided and that the arrangement with additional locking springs 72, 73 is equipped for locking the sliding ring 63.
- the locking springs 72, 73 are in turn provided with bulges 74, 75, which functionally the bulges 67, 68 correspond.
- Coupling rod 19 only extends into the vicinity of the bent adjusting arm ends 60, 61,
- the coupling rod 19 extends in the case of the exemplary embodiment in FIGS. 12 and 13 to close to bracket members 53 and 54.
- At 76 in Fig. 13 are welded joints between the coupling rod 19 and the control arms 70, 71 and Locking springs 72, 73 indicated.
- FIGS. 14 and 15 there is a coupling element 80 with two resilient bracket elements 81 and 82 and an adjusting device 83 provided.
- the adjusting device 83 has a sliding sleeve 84, which with one clamp element 82 firmly connected and on a shoulder 85 of the other Bracket element 81 is longitudinally displaceable.
- the bracket element 81 is not shown in FIG illustrated manner connected to the coupling rod 19. It can also if necessary be formed as part of the coupling rod.
- the coupling rod 19 can also be made of an implantable ceramic Material, especially aluminum oxide.
- the coupling elements and in particular the clamp elements, the adjusting arms and the locking springs can be made of the same metals and metal alloys as the coupling rod.
- the coupling rod and the coupling elements can also be long-term implantable Plastics can be provided, including silicones, polyurethanes, PTFE, FEP, Polycarbonates and the like, optionally fiber-reinforced, in particular carbon-fiber-reinforced, could be.
Abstract
Description
- Fig. 1
- in größerem Maßstab schematisch einen implantierten Hörgerätewandler mit an die Ossikelkette angekoppelter Koppelstange,
- Fig. 2
- in noch größerem Maßstab eine perspektivische Darstellung eines mit der Koppelstange des Hörgerätewandlers nach Fig. 1 verbundenen Koppelelements zum Ankoppeln des Hörgerätewandlers an ein Gehörknöchelchen, zum Beispiel den langen Amboßfortsatz,
- Fign. 3 und 4
- schematische Darstellungen für das Ankoppeln des Koppelelements nach Fig. 2,
- Fign. 5 bis 8
- schematische Darstellungen für das Ankoppeln eines Koppelelements gemäß einer abgewandelten Ausführungsform.
- Fign. 9 bis 11
- schematische Darstellungen für das Ankoppeln eines Koppelelements gemäß einer weiter abgewandelten Ausführungsform,
- Fign. 12 und 13
- perspektivische Darstellungen einer weiteren Ausführungsform eines erfindungsgemäßen Koppelelements, sowie
- Fign. 14 und 15
- perspektivische Darstellungen einer weiteren Ausführungsform eines erfindungsgemäßen Koppelelements in der Offen- beziehungsweise der Schließstellung.
Claims (24)
- Implantierbare Anordnung zum mechanischen Ankoppeln eines zu mechanischen Schwingungen anregbaren ausgangsseitigen Treiberteils (15) eines Hörsystems an eine vorgewählte Ankoppelstelle (16) an der Ossikelkette, der Steigbügelfußplatte oder einer das runde Fenster oder ein artifizielles Fenster in der Cochlea, im Vestibulum oder im Labyrinth (Gleichgewichtsorgan) abschließenden Membran über eine Koppelanordnung (17), die ein mit der vorgewählten Ankoppelstelle (16) in Verbindung bringbares Koppelelement (22, 52, 80) aufweist, dadurch gekennzeichnet, daß das Koppelelement (22, 52, 80) mit einer Stellvorrichtung (30, 59, 83) zum wahlweisen Verstellen des Koppelelements zwischen einer Offenstellung, in welcher das Koppelelement in und außer Eingriff mit der Ankoppelstelle (16) bringbar ist, und einer Schließstellung versehen ist, in welcher das Koppelelement im implantierten Zustand mit der Ankoppelstelle in Kraft- und/oder Formschlußverbindung steht.
- Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß das Koppelelement (22, 52, 80) in der Offenstellung im wesentlichen ohne Krafteinwirkung auf die Ankoppelstelle (16) mit dieser in und außer Eingriff bringbar ist.
- Anordnung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Koppelelement (22, 52, 80) als Klammer mit mindestens zwei in der Schließstellung an der Ankoppelstelle (16) anliegenden Klammerelementen (23, 24; 53, 54; 81, 82) ausgebildet ist.
- Anordnung nach Anspruch 3, dadurch gekennzeichnet, daß der gegenseitige Abstand der Klammerelemente (23, 24; 53, 54) in Querrichtung mittels der Stellvorrichtung (30, 59) wahlweise geändert werden kann.
- Anordnung nach Anspruch 3, dadurch gekennzeichnet, daß die Klammerelemente (81, 82) mittels der Stellvorrichtung (83) in Längsrichtung gegeneinander verschiebbar sind.
- Anordnung nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß das Koppelelement (22, 52, 80) federnde Klammerelemente (23, 24; 53, 54; 81, 82) aufweist.
- Anordnung nach Anspruch 3 oder 6, dadurch gekennzeichnet, daß die Stellvorrichtung (30, 59) an den Klammerelementen (23, 24, 53, 54) angreifende Stellarme (31, 32; 57, 58; 70, 71) aufweist, die betätigbar sind, um das Koppelelement (22, 52) wahlweise zwischen der Offenstellung und der Schließstellung zu verstellen.
- Anordnung nach einem der vorhergehenden Ansprüche, gekennzeichnet durch eine Arretiervorrichtung (40, 62), mittels deren das Koppelelement (22, 52) in der Offenstellung und/oder der Schließstellung arretierbar ist.
- Anordnung nach Ansprüchen 7 und 8, dadurch gekennzeichnet, daß die Arretiervorrichtung (40, 62) ein mit den Stellarmen (31, 32; 57, 58; 70, 71) zusammenwirkendes, verschiebbar gelagertes Schiebeteil (41, 63) aufweist.
- Anordnung nach Anspruch 9, gekennzeichnet durch Mittel (60, 61) zum Verlierschutz des Schiebeteils (63).
- Anordnung nach einem der vorhergehenden Ansprüche, gekennzeichnet durch eine mit dem ausgangsseitigen Treiberteil (15) in Antriebsverbindung stehende Koppelstange (19), an welcher das Koppelelement (22, 52, 80) befestigt ist.
- Anordnung nach Ansprüchen 9 oder 10 und 11, dadurch gekennzeichnet, daß das Schiebeteil (41) auf der Koppelstange (19) verschiebbar gelagert ist.
- Anordnung nach Anspruch 7 und Anspruch 11 oder 12, dadurch gekennzeichnet, daß die Stellarme (31, 32) an den von der Koppelstange (19) abliegenden Enden (27, 28) der Klammerelemente (23, 24) angreifen, sich mit Abstand im wesentlichen parallel zu den Klammerelementen in Richtung auf die Koppelstange erstrecken und in Stellenden (33, 34) auslaufen, deren gegenseitiger Abstand zum Verstellen des Koppelelements (22) zwischen der Offenstellung und der Schließstellung änderbar ist.
- Anordnung nach Anspruch 13, dadurch gekennzeichnet, daß das Schiebeteil (41) in eine Stellung bringbar ist, in welcher es sich über die Stellenden (33, 34) der Stellarme (31, 32) legt und die Stellarme in einer Lage fixiert, in welcher sich das Koppelelement (22) in der Offenstellung befindet.
- Anordnung nach Anspruch 13 oder 14, dadurch gekennzeichnet, daß das Schiebeteil (41) in eine Stellung bringbar ist, in welcher es zwischen die Stellenden (33, 34) der Stellarme (31, 32) eingreift und die Stellarme in einer Lage fixiert, in welcher sich das Koppelelement (22) in der Schließstellung befindet.
- Anordnung nach Anspruch 15, dadurch gekennzeichnet, daß das Schiebeteil (41) und die Stellenden (33, 34) der Stellarme (31, 32) mit Rastmitteln (48, 49, 50) zum Verrasten des Schiebeteils in der die Schließstellung des Koppelelements (22) erzwingenden Stellung versehen sind.
- Anordnung nach Ansprüchen 7 und 11 sowie gegebenenfalls einem der Ansprüche 6, 7, 8 und 10, dadurch gekennzeichnet, daß die Stellarme (57, 58; 70, 71) mit den der Koppelstange (19) zugewendeten Enden (55, 56) der Klammerelemente (53, 54) verbunden sind und der gegenseitige Abstand der Stellarme zum Verstellen des Koppelelements (52) zwischen der Offenstellung und der Schließstellung änderbar ist.
- Anordnung nach Anspruch 17, dadurch gekennzeichnet, daß das jeweils andere Ende (60, 61) der Stellarme (57, 58; 70, 71) mit der Koppelstange (19) verbunden ist.
- Anordnung nach Anspruch 13 oder 18, dadurch gekennzeichnet, daß die Stellarme (31, 32; 57, 58; 70, 71) mit dem zugeordneten Klammerelement (23, 24; 53, 54) einstückig verbunden sind.
- Anordnung nach einem der Ansprüche 17 bis 19 und Anspruch 9, dadurch gekennzeichnet, daß die Stellarme (57, 58; 70, 71) in eine der Offenstellung des Koppelelements (52) entsprechende Stellung vorgespannt und mittels des Schiebeteils (63) entgegen der Vorspannung in eine der Schließstellung des Koppelelements entsprechende Stellung verstellbar sind.
- Anordnung nach Anspruch 20, dadurch gekennzeichnet, daß das Schiebeteil (41, 63) wahlweise in einer der Offenstellung des Koppelelements (22, 52) entsprechenden Raststellung und einer der Schließstellung des Koppelelements entsprechenden Raststellung arretierbar ist.
- Anordnung nach Anspruch 21, dadurch gekennzeichnet, daß die Stellarme (31, 32; 57, 58) zum Arretieren des Schiebeteils (41, 63) in wahlweise der einen und der anderen Raststellung ausgebildet sind.
- Anordnung nach Anspruch 21, gekennzeichnet durch mindestens eine Arretierfeder (72, 73) zum Arretieren des Schiebeteils (63) in wahlweise der einen und der anderen Raststellung.
- Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sie Teil eines aktiven Hörsystems ist, bei dem der ausgangsseitige Treiber Teil eines elektromechanischen Hörgerätewandlers (13) ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19931788A DE19931788C1 (de) | 1999-07-08 | 1999-07-08 | Anordnung zum mechanischen Ankoppeln eines Treibers an eine Ankoppelstelle der Ossikelkette |
DE19931788 | 1999-07-08 |
Publications (3)
Publication Number | Publication Date |
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EP1067820A2 true EP1067820A2 (de) | 2001-01-10 |
EP1067820A3 EP1067820A3 (de) | 2009-09-30 |
EP1067820B1 EP1067820B1 (de) | 2010-10-27 |
Family
ID=7914056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP00105228A Expired - Lifetime EP1067820B1 (de) | 1999-07-08 | 2000-03-13 | Anordnung zum mechanischen Ankoppeln eines Treibers an eine Ankoppelstelle der Ossikelkette |
Country Status (5)
Country | Link |
---|---|
US (1) | US6547715B1 (de) |
EP (1) | EP1067820B1 (de) |
AT (1) | ATE486467T1 (de) |
DE (2) | DE19931788C1 (de) |
DK (1) | DK1067820T3 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
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US20030229262A1 (en) * | 2001-11-20 | 2003-12-11 | Easter James Roy | Apparatus and method for ossicular fixation of implantable hearing aid actuator |
US6726719B2 (en) * | 2002-01-08 | 2004-04-27 | Patrick Antonelli | Attachment mechanism for middle ear prosthesis |
EP1384451B1 (de) * | 2002-07-23 | 2011-01-05 | Heinz Kurz GmbH Medizintechnik | Steigbügelprothese |
US7273447B2 (en) * | 2004-04-09 | 2007-09-25 | Otologics, Llc | Implantable hearing aid transducer retention apparatus |
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- 1999-07-08 DE DE19931788A patent/DE19931788C1/de not_active Expired - Fee Related
-
2000
- 2000-03-13 AT AT00105228T patent/ATE486467T1/de active
- 2000-03-13 DK DK00105228.1T patent/DK1067820T3/da active
- 2000-03-13 EP EP00105228A patent/EP1067820B1/de not_active Expired - Lifetime
- 2000-03-13 DE DE50016014T patent/DE50016014D1/de not_active Expired - Lifetime
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Also Published As
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EP1067820A3 (de) | 2009-09-30 |
DE19931788C1 (de) | 2000-11-30 |
US6547715B1 (en) | 2003-04-15 |
ATE486467T1 (de) | 2010-11-15 |
DE50016014D1 (de) | 2010-12-09 |
EP1067820B1 (de) | 2010-10-27 |
DK1067820T3 (da) | 2010-12-06 |
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