EP3750329B1 - Adaptateur universel pour appareils auditifs et écouteurs - Google Patents
Adaptateur universel pour appareils auditifs et écouteurs Download PDFInfo
- Publication number
- EP3750329B1 EP3750329B1 EP19709372.7A EP19709372A EP3750329B1 EP 3750329 B1 EP3750329 B1 EP 3750329B1 EP 19709372 A EP19709372 A EP 19709372A EP 3750329 B1 EP3750329 B1 EP 3750329B1
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- EP
- European Patent Office
- Prior art keywords
- adapter
- segments
- side walls
- sound
- ear
- Prior art date
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Images
Classifications
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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
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
- H04R25/652—Ear tips; Ear moulds
- H04R25/656—Non-customized, universal ear tips, i.e. ear tips which are not specifically adapted to the size or shape of the ear or ear canal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1016—Earpieces of the intra-aural type
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/025—In the ear hearing aids [ITE] hearing aids
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/09—Non-occlusive ear tips, i.e. leaving the ear canal open, for both custom and non-custom tips
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/11—Aspects relating to vents, e.g. shape, orientation, acoustic properties in ear tips of hearing devices to prevent occlusion
Definitions
- the invention relates to the field of hearing aids and earphones. More specifically, the invention relates to a universal adapter for hearing aids and earphones worn in the ear.
- the present invention relates to an adapter which automatically adapts to the most diverse anatomical conditions of the human ear canal and which can be used with most hearing aids worn on the ear available on the hearing aid market and which meets individual audiological requirements while being very comfortable to wear.
- Hearing aids are available on the market as HDO devices (devices worn behind the ear) and IOG (in-the-ear devices) in different designs and sizes from various manufacturers. They essentially consist of a microphone(s), amplifier, loudspeaker and power supply. With HDO devices, the sound is introduced into the ear canal either via a flexible sound tube or via an external loudspeaker (receiver in the canal / RIC). With IOG, all components are installed in a hollow shell, usually made individually. IOGs are currently also offered in standard housings. They are designed with a standardized sound outlet nozzle, which is inserted into a silicone dome, or in a custom earmold prepared for this nozzle.
- a custom earmold / earpiece made of cast acrylic (polymethyl methacrylate / PMMA) or light-curing material is made for the ear to be treated, because this offers a better fit for the individual anatomical shape of the auditory canal of a hearing aid wearer and thus a secure hold of the earmold in the auditory canal.
- an impression of the external ear is made using a two-component silicone material. (similar to a dental impression).
- the shape of the negative is now usually digitally recorded using a 3D scanner.
- a blank is produced by an external company using laser technology and then reworked by hand to give it its final finish.
- a cerumen guard or a device that prevents earwax from entering the sound outlet opening is extremely rarely integrated into a custom earmold when sound is introduced using sound tubes.
- the miniature loudspeakers are located outside the housing of the hearing aid and connected to the hearing aid via a thin cable.
- External loudspeakers (Receiver in the canal; RIC) require special mounting devices for coupling to a custom earmold, such as those described in the publication EN 10 2006 004 033 A1 known that must be incorporated into the plastic.
- a renewal of the otoplasty is necessary when the anatomical conditions in the ear canal change due to age or due to an increase or decrease in body weight.
- Umbrella-shaped, mostly hemispherical, so-called “domes” made of soft silicone are currently mostly used for testing hearing aids.
- the thin-walled hemisphere is provided with perforations and is therefore suitable for high-frequency transmission, or closed for broader-band sound amplification.
- These domes are offered by the hearing aid providers for their own products.
- the sound is transmitted from the behind-the-ear device (BDO) via the thin tubes, which are connected to the corresponding dome.
- BDO behind-the-ear device
- domes are placed directly on the loudspeaker.
- the connection from the HDO device to the external loudspeaker is ensured by a thin cable (see e.g. publication EP 2 919 486 A1 ; US760 905 S1 ; US 7 681 577 B2 ).
- Some manufacturers offer domes for their own specific products ( EN 10 2014 200 605 A1 ; EP 2 819 435 A1 ).
- Product-specific silicone domes are offered by hearing aid manufacturers for external loudspeakers developed by them.
- a second component made of a more solid material is incorporated into the dome using an injection molding process.
- These domes usually have the same shapes and properties as those used for thin tubes (e.g. printed matter EN 10 2014 200 605 A1 ; EP 1 995 991 A2 ; US 8 290 187 B2 ; EN 10 2011 006 720 A1 ; US 6 129 174 A ; US 2008 / 0 298 618 A1 ; WO 2001 / 069 971 A2 ; EP 2 819 435 A1 ).
- Silicone domes for consumer electronics are usually developed for use with product-specific loudspeakers ("earphones").
- Earphones for the entertainment industry usually have a larger sound outlet with a special nozzle, which is used to connect the dome produced for this purpose.
- Domes which are used in medical technology for stethoscopes or examination devices such as tympanometers or similar devices, are mainly designed to close the auditory canals of the examiner or the person being examined. They are usually placed externally on the auditory canal opening (see e.g. publications US 7 664 282 B2 ; US 4 055 233 A ; US 6 473 513 B1 ). For measurements using a probe inserted into the ear canal, manufacturers offer special domes (see e.g. publication US 6 253 871 B1 ).
- cerumen ear wax
- Frequencies reflected from the eardrum can interfere with the frequencies emitted by the sound outlet of the custom earmold, leading to phenomena such as reverberation or a "wobbling" of the sound. Since the position of the sound outlet in the ear canal, and thus the distance to the eardrum, is fixed by the anatomical manufacture of the custom earmold, an improvement can only be achieved by changing the plastic, changing the position of the sound outlet, or by adding a ventilation hole. However, depending on the diameter and length of the ventilation hole, there is a risk of feedback occurring.
- Domes are offered in different sizes (diameters), but usually with a fixed, unchangeable circumference within the manufacturing dimensions.
- Silicone domes in the so-called "Tulip" shape offer a variable diameter or circumference, but have little hold in the ear canal due to the very flexible wall thickness of approx. 0.3 mm and itch or tickle the wearer. Chewing movements in particular irritate the skin of the ear canal.
- the tulip shape is mainly used to introduce broadband sound amplification.
- proximal end i.e. the end pointing towards the eardrum
- proximal end usually has a flat end perpendicular to the sound outlet opening, occlusion effects and interference often occur, as described above.
- Fine PVC support devices attached to thin tubes are known to prevent the dome from slipping out of the ear canal. These are inserted into the large auricular cavity (cavum conchae). This support also causes tickling, is not easy for older hearing aid wearers to use, and is therefore often rejected. For external speakers, support devices are used for manufacturer-specific products.
- silicone domes offer a certain degree of variability, they are very complicated to use and difficult for hearing aid wearers to operate. Two-part silicone products are generally not suitable for older hearing aid wearers. These target groups are overwhelmed in terms of hygiene and changing the dome themselves.
- Adjusting the opening for ventilation, right up to the open sound introduction for the low sound component, is very difficult for the wearer.
- the smallest changes in the opening cross-sections cause significant frequency changes in the supply of the amplified sound (see e.g. publication EN 10 2010 042 150 A1 ).
- DE102010042150A1 discloses an earpiece for a hearing instrument that can be inserted into an ear canal and connected to a sound tube or a receiver, as well as a hearing instrument with an earpiece.
- the earpiece comprises a first and a second partial earpiece, wherein the first and the second partial earpiece each comprise at least one elastically deformable, petal-shaped side wall and each comprise at least one open area.
- domes for external speakers are almost identical to those of domes for thin tubes described above.
- Silicone domes such as those used in consumer electronics or medical technology, are not suitable for use with external earpieces for hearing systems. These domes do not have a suitable coupling option.
- the invention is therefore based on the object of providing an adapter for hearing aids and earphones which avoids the disadvantages of the prior art.
- the adapter should therefore reduce the effort involved in individually adjusting hearing aids and earphones to the wearer.
- the fit in the ear canal should be improved and unpleasant sensations such as tickling or scratching should be avoided.
- the adapter should react well to changes in the geometry of the ear canal.
- the adapter should be suitable for in-ear devices, behind-the-ear devices with receiver-in-the-canal, and earphones from consumer electronics.
- a wax guard should be easy to integrate.
- the adapter should reduce the occurrence of an "occlusion effect". It should also react well to the presence of a narrow section in the ear canal and the non-circular cross-sectional shape of the ear canal.
- the adapter should be as simple to use as possible.
- the adapter should also reduce the problem of the difficulty of correctly adjusting a ventilation opening.
- the problems are solved by the features of the invention set out in claim 1.
- the present invention of this novel adapter allows the amplified sound from almost any hearing aid on the market to be immediately directed into the anatomically individually shaped human ear canal due to its special shape and properties.
- By means of a device that meets the features of claim 12 By means of the intermediate adapter, ear speakers of the entertainment industry can be coupled with the universal adapter comprising the features of patent claim 1.
- the invention relates to a universal adapter comprising a flexible material for introducing the amplified sound of a hearing aid or earphone into the individually shaped human ear canal.
- flexible material means a plastic, in particular elastomers with a Shore hardness of 20 - 100 Shore A, which deforms elastically to a sufficient extent under the pressure typically encountered during use and returns to its original shape after use.
- the universal adapter, or adapter for short can also be combined with a non-flexible, essentially solid material according to the above definition, for example to create a solid core or an area intended for handling (e.g. handle).
- hearing aid and "earphone” are broadly defined and include all areas mentioned in the introduction, as well as all areas not mentioned in which elements are required to be inserted into the ear canal and essentially close it off, i.e. not only for sound introduction, but also, for example, for sound insulation.
- the adapter has a plurality of trapezoidal hollow segments made of said flexible material, in short segments, which are arranged separately from one another, with their side walls decreasing radially from the dorsal (ie pointing away from the body) to the proximal (ie pointing towards the body) side, along a centrally arranged locking nipple, optionally made of (the same or a different) flexible or solid material, which serves to accommodate a sound output nozzle of the hearing aid.
- Trapezoidal refers to the cross-section in the longitudinal direction (dorsal-proximal).
- the hollow segments are connected with the proximal, narrow ends of their contact surfaces to a proximal end of the locking nipple, whereby the adapter has the shape of a shortened ellipsoidal body, so that the latter can be optimally adapted to the shape of the ear canal by the restoring force of the elastic side walls with its contact surfaces.
- An adapter designed according to the invention avoids the disadvantages known from the prior art.
- the adapter reduces the effort involved in individually adjusting hearing aids and earphones to the wearer and can be manufactured as a cost-effective series product.
- the fit in the ear canal is significantly improved because the adapter automatically adjusts to the given anatomical conditions of the ear canal when inserted, where it can be fixed without pressure due to its high flexibility.
- the adapter In conjunction with its flexible application, it can replace a large number of known silicone domes from various manufacturers and thus leads to a reduction in the time spent on inventory management and procurement in the hearing care professional's shop, because they only need a very small range of different diameters of this silicone adapter.
- a wax guard can also be easily integrated.
- the adapter also reduces the occurrence of an "occlusion effect". It also reacts well to the presence of a narrow passage in the ear canal, as well as the non-circular cross-sectional shape of the ear canal.
- the adapter is particularly easy to use and does not require any special skills on the part of the user and can be used without any prior knowledge.
- the adapter can also be replaced easily and without the need for a specialist.
- the adapter reduces the problem of the difficulty of correctly adjusting a vent opening, as will also be shown.
- the number of trapezoidal hollow segments is preferably four. According to other embodiments, it is two or three, or more than four, for example five or six.
- the contact surfaces of two adjacent segments run very close (for example 0 to 0.5 mm) and parallel to each other from the proximal to the dorsal end of the adapter, with the side wall of a segment having a first, narrow bend on the outer edge into the interior of the segment.
- the side wall adjoining this first bend therefore no longer runs exactly in the radial direction (in a sectional view).
- the segment preferably has a radial elevation compared to the adjacent segment.
- the area of this elevation has a slightly larger distance/radius from the centrally arranged longitudinal axis than in the case without the elevation.
- the bends of the two segments then shifted over each other form a closure which in a resting position (outside the ear canal) parallel contact surfaces, so that when all segments are configured according to this specification, when the adapter is inserted into the ear canal, at least a minimum ventilation of the residual volume between the adapter and the ear canal or the outside world with the eardrum is ensured due to the small distance between the side walls at the proximal ends of the same.
- the segments are spaced apart from one another from the dorsal to the proximal end, which decreases when inserted into an ear canal that has a slightly smaller cross-section than the adapter.
- the curved bends of the adjacent segments which run parallel in an elliptical arc section (seen in the longitudinal axial direction), come closer together, whereby continuous channels can be formed from the dorsal to the proximal end of the adapter using the curved side walls of the segments.
- the number of channels corresponds to the number of similar segments spaced apart at the said distance. In addition to the desired introduction of sound through the locking nipple, these channels also allow lower-frequency sound components to enter the ear canal in a natural or normal way.
- two segments form a channel by means of the spaced-apart, mutually facing side walls designed as last described, while the side walls of the other segments shaped according to the design described above form a closure, whereby only one channel is available, which results in only frequencies below about 800 Hz naturally reaching the eardrum through this channel.
- the adapter has two such channels and two closures due to correspondingly shaped segments.
- two identical segments are arranged opposite each other, rotated by 180°.
- two channels are available for sound transmission, so that frequencies below about 1 KHz can be transmitted through these two available channels to reach the eardrum naturally.
- the adapter has two segments which form a closure by means of two mutually facing side walls, while the described distance from one another exists between the other side walls of the segments, whereby three channels are available and frequencies below about 1.5 - 1.8 KHz reach the eardrum naturally through these channels.
- the number of segments determines the possible number and maximum size of the channels.
- the number of channels can be varied by changing the number of segments and simply varying the side walls, which leads to different transmission characteristics for the sound.
- the adapter thus enables the acoustically correct introduction of the amplified sound from the hearing aid into the ear canal in a reproducible manner, and it meets the audiological requirements with regard to ventilation openings or openings of different sizes for the natural introduction of frequencies in the mid and low frequency range.
- the segments are arranged symmetrically around the longitudinal axis of the locking nipple in such a way that, from a proximal perspective, at least the outer edges of the side walls of the segments run at least essentially on a straight line from the locking nipple to the contact surface.
- the side walls also run in this way in the area behind the outer edges, so that straight side walls are present, or they are shaped differently there, for example according to the embodiment described above with a further bend.
- all segments are arranged in a spiral shape around the longitudinal axis of the locking nipple, twisted from the dorsal to the proximal end of the adapter. Accordingly, the outer edges mentioned are each shown as lying on a spiral path. The areas behind them can lie on the same path in the viewing direction, or they can be "twisted" further or less far.
- the centrally arranged locking nipple is designed as an element made of rigid plastic, which serves to accommodate the sound outlet opening of external loudspeakers of commercially available hearing aids worn behind the ear.
- the locking nipple comprises this element as a second component, which can either be used separately or is present in a secure composite (two-component system).
- an easy-to-clean, curved cerumen guard covers the sound outlet opening at the proximal end of the adapter. This is particularly preferably designed integrally with the rest of the adapter, but can also be designed to be interchangeable.
- At least two segments overlap in the area of the outer edge when introduced into the ear canal and create a closure by having two side walls offset into the interior of the segment.
- the contact surfaces continue to retain their original size, i.e. the distance of the outer surface of the adapter from the longitudinal axis remains essentially the same.
- the adapter for coupling ear speakers comprises an anatomically shaped intermediate adapter.
- Said ear speakers usually have a dome-like shape at the proximal end.
- the intermediate adapter comprises a sound output connector made of solid material, which can be plugged into a receiving opening of the locking nipple and optionally has a bend. In this way, a detachable connection of the intermediate adapter to the rest of the adapter.
- the intermediate adapter also includes a holding area with a clamping edge for the earphone. The sound transmission can thus be directed comfortably and without pressure into the ear canal from an ear speaker, which can be clamped into the preferably flexible clamping edge of the intermediate adapter. This means that ear speakers in the entertainment industry can be used with better acoustics and significantly improved wearing comfort using the anatomically shaped intermediate adapter according to the invention.
- hooks or similar can be provided which grasp the earphone and thus attach it to the dorsal end of the intermediate adapter.
- a magnetic holder is also possible, provided that said end is made of or contains a material which develops attractive forces when it is brought close to the magnet of the earphone.
- the intermediate adapter consists of a two-component material or comprises this.
- the sound outlet nozzle is made of a solid plastic and the clamping edge is made of a flexible plastic.
- the adapter ( Fig. 1, Fig. 2 ) is preferably made of silicone, with a hardness of 20 - 100 Shore A, or/and a two-component system (2K system), which enables the locking of commercially available external loudspeakers 20 with special sound output nozzles ( Fig. 16 ) . It is possible that the fixed component 24 integrated in the adapter is configurable for locking current or future developments.
- the adapter has the shape of an ellipsoidal body cut off at slightly more than half its length - transverse to the horizontal longitudinal direction in the image (see fig. Fig. 2 ).
- the dorsal end of the locking nipple 2 (right in the picture) can have a conical inward-facing recess 3 (receiving opening of the sound output nozzle 3, for better insertion of the sound output nozzles of the external loudspeakers and thin tubes, which are usually equipped with a larger cross-section.
- Fig.1 have.
- the proximal end of the locking nipple 2 forms the sound outlet for the amplified sound; in this case it is covered with a semicircular cover to protect against cerumen (ear wax) (cerumen protection 4, Fig. 1, Fig. 2, Fig. 4 ).
- two or more, in the embodiment shown four, hollow "segments” 5 are arranged in the longitudinal direction around it ( Fig. 2 - 7 , Fig. 13, Fig. 17 ). These segments 5 have - viewed from the dorsal end - a cross-sectional shape similar to a trapezoid ( Fig. 3 - 7 ), the shorter side of which is located near the center and the longer side is located on the circumference. It is clear that due to the rounded shape of the adapter, said sides actually preferably have the arc shape shown.
- the side walls 15 ( Fig.5 , reference numerals omitted in the other figures) are connected to the locking nipple 2 from the proximal to the dorsal end (connection area of the side walls on the locking nipple 12, Fig. 1 and 3 ). Radial to the edge of the contact surface 1, Fig. 1, 2, 4 , 13 and 17 , they widen from the proximal end 6 of the locking nipple 2 to the level of the distance between the contact surface 1 facing the auditory canal wall and the locking nipple 2 at the dorsal end of the adapter ( Fig.1 ), which creates the aforementioned ellipsoid shape.
- the outward (dorsal) end of the side walls 15 preferably runs obliquely from the dorsal end of the locking nipple to the dorsal end of the contact surfaces 13, resulting in a "funnel shape" ( Fig. 1 and 2 , 9 - 12 , 14, 16 ).
- the segments 5 can have side walls 15 extending radially outwards in a straight line. According to another embodiment, the segments 5 are arranged spirally around the longitudinal axis of the locking nipple 2, twisted from the dorsal to the proximal end of the adapter ( Fig. 13 ).
- the outer, broad sides of the trapezoidal segment 5 or the contact surfaces 1 are curved like a circular section 13 ( Fig. 2 , Fig. 17 ).
- the outer contact surface 1 Towards the proximal end 6 of the locking nipple 2, the outer contact surface 1 inclines in an elliptical arc and forms a curvature.
- the width of the outer contact surface 1 is reduced in a wedge shape to the size and level of the side walls 15 attached to the proximal end 6 of the locking nipple 2 up to the proximal end of the contact surface 14 ( Fig. 2 ).
- the ellipsoidal shape of the adapter is created by the segments 5, which are arranged around the locking nipple 2 (see Fig. 2, Fig. 3, Fig. 5, Fig. 6 , Fig. 13, Fig. 17 ).
- the dorsal ends 13 of the contact surfaces 1 are curved into the interior of the trapezoidal segments 5.
- the resulting reduction in the overall cross-section prevents skin irritation when removing the adapter from the ear canal.
- the radial side walls 15 of the trapezoidal, hollow segments 5, which are connected from the dorsal to the proximal end with the locking nipple 2, can be curved on one or both sides into the interior of the segment 5 (curved radial side walls of the segments 15, Fig.5 This creates a continuous path from the dorsal to the proximal end.
- This channel 16 is used for ventilation or the transmission of lower frequencies to the eardrum.
- two ( Fig.5 ) or four ( Fig.6 ) channels 16 should be provided.
- the segments 5 can also be arranged at a distance 17 from each other along the outer elliptical arc section ( Fig.6 ). This distance 17 allows a further reduction of the overall cross-section when inserting the adapter into the ear canal, making the adapter suitable for different sized ear canals without further modification ( Fig.7 ).
- the adapter should allow ventilation of the remaining volume in front of the eardrum.
- one or more segments can be designed in a simple manner according to the invention so that the corresponding audiological requirement is met.
- the differences are shown by Fig. 3, Fig. 5 and Fig. 6
- the Fig.3 The embodiment shown therefore has no additional channels; according to the embodiment in Fig.5 can be two, and according to the embodiment in Fig.6 four channels should be provided.
- the side wall 15 From the tightly fitting, narrow bend 9 of the side facing the neighbouring segment 5 ( Fig.3 ), the side wall 15 inclines to a second bend 10 into the interior of the segment 5, from which the side wall 15 runs in a slight curve to the locking nipple 2. From the dorsal to the proximal end, the width of this indentation decreases due to the curved, elliptical shape.
- the recess in the side surface 15 thus formed provides space for the adjacent counter segment 5 so that it can slide under the segment 5 having the recess - under external pressure or when inserted into an ear canal - with its narrow bend 18 running from the proximal to the dorsal end ( Fig.7 ). Both segments 5 thus form a closure over the length of the previously existing contact between the two segments 5.
- the side walls 15 have a very small distance of, for example, 0.1 mm to 1.0 mm, and preferably 0.3 mm, from each other at the proximal end. This distance causes minimal ventilation 8 in the "closed" adapter.
- Fig.4 , Fig. 13 which in the form of a longitudinal axial channel prevents an airtight closure of the ear canal. This form of adapter is designed especially for a higher amplification, broadband sound introduction.
- the contact surfaces 1 are gently pressed radially outwards against the ear canal wall 19 by the restoring force of the side walls 15 of the segments 5 ( Fig.7 ).
- the required adapter can close the ear canal according to the audiological needs ( Fig.3 ), ventilate ( Fig.4 ), or for the uninfluenced introduction of different low-frequency sound components ( Fig. 2, Fig. 5, Fig. 6 ).
- the design of the adapter allows it to adapt automatically to the appropriate shape of the human ear canal, whether oval, round or irregularly shaped, even with a pronounced isthmus ( Fig.8 ).
- the sound outlet nozzle 28 of the Fig. 18 shown intermediate adapter can be inserted into the ear canal 19 in order to optimize the sound emission of ear loudspeakers 32 from the entertainment industry into the ear canal 19 ( Fig. 21 ).
- the shape of the intermediate adapter is anatomically adapted to the bending shape of the human ear canal aligned ( Fig. 21 ).
- the intermediate adapter preferably consists of a two-component material. While the sound output nozzle 28 consists of a solid material, the clamping edge 31 for receiving the ear loudspeaker 32 consists of a flexible material.
- a locking nipple which is in the form of a cast or molded bushing 24 made of solid plastic such as polyamide or a material of similar strength
- Fig. 15 in particular external loudspeakers 25, which are equipped with locking devices that are specially shaped according to individual manufacturer specifications, can also be connected to the adapter consisting of two components ( Fig. 16 ).
- the locking nipple is designed in two parts and comprises said bushing 24, which can be inserted or injected into a receptacle of the main part.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Manufacturing & Machinery (AREA)
- Headphones And Earphones (AREA)
Claims (13)
- Adaptateur universel comprenant un matériau souple, pour l'introduction du son amplifié d'une aide auditive ou d'un écouteur dans le conduit auditif humain formé individuellement, dans lequel l'adaptateur comporte une pluralité de segments creux (5) qui, lorsque vus depuis une extrémité dorsale de l'adaptateur, ont une forme de section transversale analogue à un trapèze, dans lequel les segments creux (5) sont agencés séparément les uns des autres, avec respectivement deux parois latérales qui diminuent radialement de l'extrémité dorsale à l'extrémité proximale de l'adaptateur (15), sur un mamelon de blocage (2) agencé de façon centrale dans une direction longitudinale autour de celui-ci et servant à recevoir un connecteur femelle de sortie sonore de l'aide auditive et dans lequel chaque segment creux (5) comporte en outre une surface d'appui (1) qui est reliée à une extrémité proximale étroite (14) au niveau d'une extrémité proximale (6) du mamelon de blocage (2), dans lequel l'adaptateur a la forme d'un corps ellipsoïdal raccourci, de sorte que celui-ci peut adapter automatiquement ses surfaces d'appui (1) de manière optimale à la forme du conduit auditif par la force de rappel des parois latérales (15) formées élastiquement.
- Adaptateur selon la revendication 1, dans lequel les segments creux trapézoïdaux (5) sont au nombre de quatre.
- Adaptateur universel selon la revendication 1 ou 2, caractérisé en ce que les surfaces d'appui (1) de deux segments (5) adjacents s'étendent de manière très proche de l'extrémité proximale à l'extrémité dorsale de l'adaptateur et de façon parallèle, dans lequel une paroi latérale (15) de l'un des deux segments (5) comporte un coude étroit (10) vers l'intérieur du segment (5) et comporte un coude étroit (9) par rapport à l'autre des deux segments (5), en sorte qu'un coude (18) d'une paroi latérale glissant en dessous de l'autre des deux segments glisse par une pression annulaire depuis l'extérieur en direction du coude (10) de la paroi latérale de réception de l'un des deux segments, et les coudes (9, 18) des segments (5) glissant alors l'un au-dessus de l'autre forment une fermeture des surfaces d'appui (1) s'étendant parallèlement dans une position de repos, de sorte que dans une configuration de tous les segments (5) selon cette exigence, au moins une ventilation minimale (8) du volume restant est assurée entre l'adaptateur et un tympan lorsque l'adaptateur est inséré dans le conduit auditif, en raison de la faible distance entre les parois latérales aux extrémités proximales de celui-ci.
- Adaptateur universel selon l'une des revendications 1 à 3, dans lequel tous les segments (5) sont formés selon la revendication 3 et agencés radialement, dans lequel ils ont une distance (17) de l'extrémité dorsale à l'extrémité proximale qui diminue lorsqu'ils sont introduits dans un conduit auditif (19) avec une section transversale légèrement inférieure à celle de l'adaptateur universel, dans lequel les coudes (9, 18) des segments adjacents (5) s'étendant parallèlement dans une découpe en arc elliptique, se rapprochent, en sorte que des canaux continus (16) s'étendant de l'extrémité dorsale à l'extrémité proximale de l'adaptateur peuvent se former au moyen de parois latérales incurvées (15) des segments (5), lesquels canaux permettent en outre à des composantes sonores à basse fréquence d'arriver dans le conduit auditif (19) en plus de l'introduction de son souhaitée par l'intermédiaire du mamelon de blocage (2).
- Adaptateur universel selon l'une des revendications 1 à 2, caractérisé en ce que deux segments (5) forment un canal (16) au moyen des parois latérales incurvées (15) selon la revendication 4, alors que les parois latérales (15) des autres segments (5) configurés selon la revendication 3 forment une fermeture, en sorte qu'un seul canal (16) est disponible, de telle sorte que seules des fréquences inférieures à environ 800 Hz arrivent d'une manière naturelle jusqu'au tympan par ce canal (16).
- Adaptateur universel selon l'une des revendications 1 à 2, caractérisé en ce que deux segments (5) configurés selon la revendication 4 forment un canal (16) par l'intermédiaire des parois latérales incurvées (15), alors que les parois latérales (15) des autres segments (5) configurés selon la revendication 3 forment une fermeture, en sorte que deux canaux (16) sont disponibles dans cette construction et des fréquences inférieures à environ 1 kHz arrivent d'une manière naturelle jusqu'au tympan par ces deux canaux (16) disponibles.
- Adaptateur universel selon l'une des revendications 1 à 2, caractérisé en ce que deux segments (5) configurés selon la revendication 3 forment une fermeture par l'intermédiaire des parois latérales (15) mutuellement opposées, alors que les parois latérales (15) des autres segments (5) configurés selon la revendication 4 ont une distance l'une par rapport à l'autre, en sorte que trois canaux (16) sont disponibles dans cette construction et des fréquences inférieures à environ 1,5 - 1,8 kHz arrivent d'une manière naturelle jusqu'au tympan par ces canaux (16).
- Adaptateur universel selon l'une des revendications précédentes, caractérisé en ce que tous les segments (5) sont agencés de manière déformée en spirale autour d'un axe longitudinal du mamelon de blocage (2).
- Adaptateur universel selon l'une des revendications précédentes, caractérisé en ce que le mamelon de blocage agencé de façon centrale comprend ou est formé avec un élément en matière plastique rigide qui sert à recevoir l'ouverture de sortie sonore de haut-parleurs externes d'aides auditives à porter derrière l'oreille et disponibles dans le commerce.
- Adaptateur universel selon l'une des revendications précédentes, caractérisé en ce qu'au niveau de son extrémité proximale, une protection contre le cérumen (4) en forme d'arc, facile à nettoyer, recouvre l'ouverture de sortie acoustique.
- Adaptateur universel selon l'une des revendications précédentes, caractérisé en ce qu'au moins deux segments (5) forment un chevauchement (27) lorsqu'ils sont introduits dans le conduit auditif (19), et génèrent une fermeture en ayant deux parois latérales (26) décalées vers l'intérieur du segment (5), dans lequel les surfaces d'appui (1) maintiennent la taille d'origine.
- Adaptateur universel selon l'une des revendications précédentes, caractérisé en ce que celui-ci comprend un adaptateur intermédiaire formé de façon anatomique pour le couplage de haut-parleurs auditifs (32), dont le connecteur femelle de sortie sonore (28) constitué d'un matériau solide peut être enfiché dans une ouverture de réception (3) du mamelon de blocage (2), de sorte qu'une connexion amovible est fournie, en sorte que la transmission de son d'un hautparleur auditif (32) qui peut être serré dans un bord de serrage souple (31) de l'adaptateur intermédiaire, peut être assurée de façon confortable et sans pression dans le conduit auditif (19).
- Adaptateur universel selon la revendication 12, dans lequel l'adaptateur intermédiaire comprend ou est constitué d'un matériau à deux composants.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018001016 | 2018-02-05 | ||
DE102018107195.7A DE102018107195B3 (de) | 2018-02-05 | 2018-03-26 | Universal Silikon-Softadapter für Hörgeräte |
PCT/EP2019/052678 WO2019149947A1 (fr) | 2018-02-05 | 2019-02-04 | Adaptateur universel pour appareils auditifs et écouteurs |
Publications (2)
Publication Number | Publication Date |
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EP3750329A1 EP3750329A1 (fr) | 2020-12-16 |
EP3750329B1 true EP3750329B1 (fr) | 2024-08-21 |
Family
ID=65084839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19709372.7A Active EP3750329B1 (fr) | 2018-02-05 | 2019-02-04 | Adaptateur universel pour appareils auditifs et écouteurs |
Country Status (9)
Country | Link |
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US (1) | US11218819B2 (fr) |
EP (1) | EP3750329B1 (fr) |
JP (1) | JP7352576B2 (fr) |
KR (1) | KR20200116969A (fr) |
CN (1) | CN111684821B (fr) |
AU (1) | AU2019214441B2 (fr) |
CA (1) | CA3090340A1 (fr) |
DE (1) | DE102018107195B3 (fr) |
WO (1) | WO2019149947A1 (fr) |
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2018
- 2018-03-26 DE DE102018107195.7A patent/DE102018107195B3/de active Active
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2019
- 2019-02-04 EP EP19709372.7A patent/EP3750329B1/fr active Active
- 2019-02-04 JP JP2020563814A patent/JP7352576B2/ja active Active
- 2019-02-04 CN CN201980011409.4A patent/CN111684821B/zh active Active
- 2019-02-04 CA CA3090340A patent/CA3090340A1/fr active Pending
- 2019-02-04 WO PCT/EP2019/052678 patent/WO2019149947A1/fr unknown
- 2019-02-04 US US16/966,637 patent/US11218819B2/en active Active
- 2019-02-04 KR KR1020207025279A patent/KR20200116969A/ko not_active Application Discontinuation
- 2019-02-04 AU AU2019214441A patent/AU2019214441B2/en active Active
Also Published As
Publication number | Publication date |
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CN111684821A (zh) | 2020-09-18 |
KR20200116969A (ko) | 2020-10-13 |
JP2021514597A (ja) | 2021-06-10 |
CN111684821B (zh) | 2022-05-31 |
US11218819B2 (en) | 2022-01-04 |
AU2019214441B2 (en) | 2024-03-21 |
EP3750329A1 (fr) | 2020-12-16 |
WO2019149947A1 (fr) | 2019-08-08 |
AU2019214441A1 (en) | 2020-08-27 |
DE102018107195B3 (de) | 2019-02-14 |
CA3090340A1 (fr) | 2019-08-08 |
US20210076145A1 (en) | 2021-03-11 |
JP7352576B2 (ja) | 2023-09-28 |
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