Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
  • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
  • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
  • H04R25/652—Ear tips; Ear moulds
  • H04R25/656—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
  • 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
  • H04R25/658—Manufacture of housing parts
  • H04R25/659—Post-processing of hybrid ear moulds for customisation, e.g. in-situ curing

Definitions

• the present invention generally relates to in-ear devices such as earplugs, hearing aid devices and the like, and more particularly, to custom-fitting in-ear devices that are formed in-situ to perfectly assume the inside of the ear canal and cavum concha of an individual.
• HPDs Hearing protection devices
• HPDs are often passive (i.e. not powered) and some simply amount to a plug in the ear; while more sophisticated (but still passive) HPDs may include acoustic chambers and filters, for passing or attenuating selected frequencies.
• hearing device includes active devices, either of a hearing protection nature, or of a hearing aid nature, in which some or all of the batteries and other components are mounted behind the ear, or remotely, in a box, which communicates with the in-ear unit by means of a sound-tube, or by wires; and includes active devices in which a microphone, speaker, and all the associated sound-processing circuitry and components, including a battery, are contained within the in-ear unit.
• HPDs like hearing aids
• An advantage of the present invention is that the expandable in-ear device can be very properly re-inserted by an individual repeatedly.
• a further advantage of the present invention is that the expandable in-ear device is molded out into a single piece. Still another advantage of the present invention is that the expandable in-ear device is customized depending on the user's need to be an earplug, a filtered earplug, a hearing aid device, a communication device or the like.
• Still a further advantage of the present invention is that the expandable in-ear device is comfortable for users.
• the expandable in-ear device is adaptable to be side specific, either a left or right- hand-side device.
• the expandable in-ear device is customized depending on the user's need to releasably receive any type of communication device therein.
• an expandable in-ear device for being custom fitted in-situ of an ear canal of an individual by injection of a settable compound material therein, the device comprises: - a core-form defining a platform section and a nipple section and having a core-form shape, the platform section defining a platform proximal end and a generally opposed platform distal end, the platform distal end defining a platform distal end periphery, the nipple section defining a nipple proximal end and a generally opposed nipple distal end, the nipple section integrally extends from the platform proximal end for engaging the ear canal, the core-form further defines a sound bore generally extending from the nipple proximal end to the platform distal end through both the nipple and platform sections for conducting sound from an environment surrounding the individual to inside of the ear canal; - a stretchable sheath being integral to and freely
• the platform section allowing for the settable compound material to be injected therethrough to reach the in-between region, thereby expanding the device fitted inside the ear canal by stretching the sheath away from the core- form to perfectly assume and occlude the ear canal.
• the platform distal end periphery defines a platform protruding surface, the platform protruding surface protruding outwardly from the platform distal end and defining a protruding surface perimeter, the sheath aperture having a shape to assume the surface perimeter.
• the sheath is a thin and stretchable polymer material with substantially no inherent structural rigidity.
• the core-form is generally solid with a material hardness value of less than thirty (30) shore-A.
• the sheath tightly assumes the core-form when in the folded configuration as to have the in-between region being substantially fluidless.
• the in-ear device is made out of a single molded piece.
• the protruding surface perimeter defines a perimeter groove extending therealong, the sheath aperture defining an aperture perimeter, the aperture perimeter being reinforced with a integral bulge tightly engaging the perimeter groove when in the folded configuration so as to substantially close off the in-between region.
• the sound bore is a first sound bore
• the platform section defining a cavity substantially extending inwardly therein from the protruding surface, whereby the cavity is for removably, tightly and at least partially house an insert member therein
• the core-form further defining a second sound bore generally extending from the nipple proximal end to the cavity through both of the nipple and platform sections for conducting sound from the cavity to inside of the ear canal, whereby the insert member is in sound communication with inside of the ear canal via the second sound bore.
• the cavity includes an insert retaining means for releasably retaining the insert member therein.
• the platform distal end includes a slit membrane temporarily closing off the sound bore, the slit membrane allows for a remote instrument to be releasably inserted therethrough to get in communication with the sound bore.
• the device includes a handle member secured to the platform section adjacent the platform distal end for handling the in-ear device.
• the platform section includes an injection slit channel substantially extending therethrough between the platform distal end to the in- between region to be in fluid communication therewith, the injection slit channel for releasably receiving part of an injection device therein to inject the settable compound material therethrough into the in-between region.
• the injection slit channel is generally rectilinear, the handle member being generally elongated and defines a longitudinal reach- through hole being substantially in-line with the injection slit channel of the platform section, the reach-through hole for guiding an injection device containing the settable compound material into the injection slit channel within the platform section.
• the reach-through hole of the handle member includes a close-off membrane at one end thereof, the close-off membrane being in contact with the platform section of the core-form.
• the injection slit channel self closes upon retraction of the injection device therefrom.
• the platform distal end defines a generally convex shape
• the convex shape has a generally elongated apex and is substantially symmetrical thereabout, the convex shape defining two substantially planar surfaces with the elongated apex defining a common distal edge therebetween, the planar surfaces generally extending away from each other from the common distal edge and towards the platform proximal end.
• one of the two surfaces includes the platform distal end periphery defining a platform protruding surface, the platform protruding surface protruding outwardly from the platform distal end and defining a protruding surface perimeter, the sheath aperture having a shape to assume the surface perimeter, the other of the two surfaces being fully covered by the sheath when in the folded configuration to form part of the in-between region for being custom fitted in-situ of a cavum concha of the individual corresponding to the ear canal so as to perfectly assume the cavum concha.
• Figure 1 is an exploded side view of an embodiment of an expandable in-ear device according to the present invention; showing the sheath integrally extending out of the core-form, in the unfolded configuration;
• Figure 2 is a bottom view of the embodiment of Fig. 1 ;
• Figure 3 is a side view of the embodiment of Fig. 1 with the sheath folded inside-out over the core-form, in the folded configuration;
• Figure 4 is a bottom view of the embodiment of Fig. 2;
• Figure 5 is a partial enlarged section view taken along line 5-5 of Fig. 3; showing the handle member secured to the platform section;
• Figure 6 is an enlarged section view taken along line 6-6 of Fig. 3;
• Figure 7 is a section view of the embodiment of Fig. 2 inserted in the ear canal and cavum concha of an individual and being expanded by a settable compound material to perfectly assume the same; and
• Figure 8 is a perspective view of another embodiment of the insert member engaging the cavity.
• FIG. 1 to 8 there is shown an embodiment 10 of an expandable in-ear device according to the present invention.
• the device 10 is adapted for being custom fitted in-situ inside the ear canal C and cavum concha
• the device 10 includes a core-form 20 defining a platform section 30 and a nipple section 40 and having a core-form shape.
• the platform section 30 that essentially fits into the cavum concha V defines a platform distal end 32 and a generally opposed platform proximal end 31 , the latter defining a platform distal end periphery 34.
• the nipple section 40 that essentially fits into the ear canal C defines a nipple distal end 43 and a generally opposed nipple proximal end 41.
• the nipple section 40 integrally extends from the platform proximal end 31 for engaging the ear canal C.
• a sound bore 21 generally extends from the nipple proximal end 41 to the platform distal end 32 through both the nipple 40 and the platform 30 sections, for conducting sound from an environment to inside of the ear canal C.
• a stretchable sheath 50 shown in Fig. 1 , is integral to and freely extends away from the nipple proximal end 41 of the core-form 20 in an unfolded configuration of the device 10.
• the sheath 50 defines a sheath shape that is substantially a mirror image of the shape of the core-form 20.
• the sheath 50 is configured and sized so as to substantially assume the core-form shape when folded inside-out over the core-form 20 in a folded configuration of the device 10.
• the sheath 50 further defines a sheath-to-core-form in-between region 22 when in the folded configuration, as shown in Fig. 3.
• the sheath 50 has a sheath aperture 51 generally assuming the platform distal end periphery 34.
• the platform section 30 allows for the settable compound material
• the in-between region 22 does not communicate with the sound bore 21.
• the in-ear device 10 also preferably includes a handle member 60 secured, preferably glued, to the platform distal end 32.
• the device 10 includes a handle positioning means for positioning the handle 60 relative to the platform section 30. In order to properly position the handle 60 relative to the core-form
• the handle 60 preferably has a notch 61 for engaging a corresponding notch recess 33 on the platform section 30, the notch 61 and the notch recess 33 forming the handle positioning means, as shown in Fig. 5.
• the platform proximal end 31 includes a preferably semi-circular recess 35, adjacent the nipple section 40, as illustrated in Fig. 1.
• a communicating injection slit channel 36 substantially extends through the platform section 30, between the platform distal end 32 and the semi-circular recess 35 in fluid communication with the in-between region 22.
• the injection slit channel 36 preferably rectilinear, is made to releasably receive a needle N of an injection device such as a syringe S containing the settable compound material 23.
• the injection slit channel 36 is made using a sharp tool perforating the platform 30 prior to folding the sheath 50 over the core-form 20, thereby not damaging the sheath 50.
• the handle 60 is generally elongated and preferably defines a longitudinal reach-through hole 62 to be in-line with the injection slit channel 36 for alternatively guiding the perforating tool and the needle N of the syringe S (shown in dashed lines in Fig. 7).
• the hole 62 of the handle 60 is preferably includes a thin close-off membrane 63 at a proximal end thereof getting in contact with the core-form 20 in order to prevent any back flow of glue within the hole 62 when the handle 60 is glued onto the platform 30.
• the injection slit channel 36 is preferably self closing upon retraction of the needle N therefrom.
• the platform distal end periphery 34 defines a platform protruding surface 37 slightly protruding outwardly from the platform distal end 32 and defining a protruding surface perimeter.
• the sheath aperture 51 has a shape to assume the surface perimeter of the platform protruding surface 37.
• the sheath aperture 51 has its perimeter reinforced with a bulge 52 integral therewith for tightly engaging a corresponding groove 38 on the perimeter of the platform protruding surface 37.
• the sheath aperture bulge 52 is preferably bonded (or glued) into the groove 38 of the platform protruding surface 37 to essentially close off the in-between region 22.
• the distal end 21 d of the sound bore 21 is located within the platform protruding surface 37 and is preferably terminated by a slit membrane 24 temporarily closing off the same whenever not releasably inserted therethrough by a remote instrument (not shown) such as a microphone of a measurement apparatus or the like.
• the platform distal end 32 preferably defines a generally convex shape with a generally elongated apex 26 and, is substantially symmetrical about the apex 26.
• the convex shape defines two substantially planar surfaces 25 with the apex 26 defining a common distal edge therebetween. Both planar surfaces 25 generally extend downwardly and away from each other from the common distal edge 26 and towards the platform proximal end 31 in a proximal direction.
• Only one of the two surfaces 25 includes the platform distal end periphery 34 defining the platform protruding surface 37 while the other one is fully covered by the sheath 50 in the folded configuration of the in-ear device 10 as to form part of the in-between region 22 that is custom fitted in-situ of a cavum concha V of the individual to perfectly assume the same.
• the sheath aperture 51 is located on the same side as the corresponding protruding surface 37. This slope of the convex shape forming the surfaces 25 enables the device 10 to be side specific, either a left or right-hand- side device and have only the handle 60 secured to the protruding surface 37 protruding out of the ear of the individual.
• the device 10 needs a retaining member to prevent it from slidably coming out of the ear canal C. Accordingly, the side of the platform 30 with the surface 25 entirely covered by the sheath 50 is configured and sized to sit into the cavum concha V of the ear and provide the required retention.
• the sheath 50 is progressively folded inside-out over the core-form 20.
• the sheath 50 tightly assumes the core-form 20 such that the in-between region 22 is substantially fluidless, with no air entrapped therein.
• its aperture 51 is bonded all around the protruding surface 37, then the in-between region 22 is typically vacuumed to remove air entrapped therein.
• the device 10 is ready to be inserted into the ear canal C and have the settable compound material 23 injected into the in-between region 22 for the in-situ custom fitting of the in-ear device 10, as shown in Fig. 7.
• the sheath 50 is then stretched away from the core-form 20 to perfectly assume and occlude the ear canal C.
• the retaining member area of the device 10 also have a simultaneous expansion of its part of the in-between region 22 being filled by the settable compound material so as to perfectly assume the shape of the cavum concha V of the individual.
• the device 10 is then removed from the ear canal C after the compound material 23 is completely set.
• the core-form 20 is generally solid and rigid enough with substantial inherent structural rigidity while the stretchable sheath 50 is a thin material with substantially no inherent structural rigidity, both of them being preferably a single molded piece made out of a silicone type of material or the like with a hardness value of preferably less than thirty (30) shore-A.
• core-form protrusions 42 at the nipple proximal end 41 are present preferably only for molding purposes of the sound bores 21 , 28. They are preferably simply chopped off after folding over of the sheath 50, as shown in Figs. 3 and 4.
• the settable compound material 23 is preferably a rubber-like type material once it is fully cured with a hardness value of preferably less than thirty (30) shore-A.
• the platform section 30 of the in-ear device 10 preferably defines a cavity 27 for removably, tightly and at least partially house an insert member 70 therein considering the fact that the core-form 20 material is substantially resilient.
• the cavity 27 substantially extends inwardly from the protruding surface 37.
• the core-form 20 further defines a second sound bore 28 generally extending from the nipple proximal end 41 to the cavity 27 of the platform 30 through both of the nipple 40 and platform 30 sections for conducting sound from the cavity 27 to inside of the ear canal C such that the insert member 70 can be in sound communication with inside of the ear canal C.
• the second sound bore 28 runs generally parallel to the first one 21 except in the region adjacent the platform distal end 32 where they slightly diverge from each other.
• the cavity preferably includes an insert retaining means for releasably retaining the insert 70 therein.
• the insert retaining means is preferably formed by the lower section of the handle 60 defining a step to be releasably engaged by a complementary locking step 71 of the insert 70.
• Both the handle 60 and the insert 70 are preferably made out of silicone type material or the like having a hardness value typically varying between fifty (50) and eighty (80) shore-A.
• the insert member 70 can be a plug member to simply close off the second sound bore 28, whereby the in-ear device 10 is a typical earplug device.
• the insert member 70 includes a communication element 72 for communicating with the second sound bore 28.
• the communication element 72 can be a band-pass filter, preferably in the form of an adequately sized extension of the second sound bore 28, for allowing an acceptable frequency range to reach inside the ear canal C, whereby the in-ear device 10 is a typical filtered earplug device. Also, as shown in Fig.
• the communication element 72 of the insert 70a can be an insert cavity 73 adapted to be releasably engaged by an electronic circuit (not shown and well known in the art) or the like for amplifying sound within a pre-determined frequency range from the environment to the second sound bore 28, whereby the in-ear device 10 is a typical hearing aid device, more commonly known as an in-the-ear (ITE) hearing aid.
• ITE in-the-ear
• the communication element 72 could be a simple sound bore extension (not shown) adapted to be engaged by an external hearing aid device, such as a commonly known behind-the-ear (BTE) hearing aid or the like, at a distal end thereof and communicating with the second sound bore 28 at a proximal end thereof, whereby the in-ear device 10 is a typical hearing aid adaptable device.
• an external hearing aid device such as a commonly known behind-the-ear (BTE) hearing aid or the like, at a distal end thereof and communicating with the second sound bore 28 at a proximal end thereof, whereby the in-ear device 10 is a typical hearing aid adaptable device.
• BTE behind-the-ear
• either the communication element 72 or simply the insert member 70 could be a simple audio output connector, being wireless or not, from a typical electronic device such as a computer, a laptop-type computer, a cellular-type (or GSM - Global System for Mobile communications) phone, a hand-held-type (or palm) computer or the like that is adapted to releasably fit within the insert cavity 73.
• a typical electronic device such as a computer, a laptop-type computer, a cellular-type (or GSM - Global System for Mobile communications) phone, a hand-held-type (or palm) computer or the like that is adapted to releasably fit within the insert cavity 73.

Landscapes

• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Neurosurgery (AREA)
• Otolaryngology (AREA)
• Physics & Mathematics (AREA)
• Acoustics & Sound (AREA)
• Signal Processing (AREA)
• Headphones And Earphones (AREA)
• Prostheses (AREA)
• Respiratory Apparatuses And Protective Means (AREA)

Priority Applications (7)

Applications Claiming Priority (2)

Publications (2)

Family

ID=25134969

Family Applications (1)

Country Status (10)

Cited By (4)

Families Citing this family (47)

Family Cites Families (12)

• 2001
  • 2001-02-20 US US09/785,278 patent/US20020114479A1/en not_active Abandoned
• 2002
  • 2002-02-19 MX MXPA03007435A patent/MXPA03007435A/es active IP Right Grant
  • 2002-02-19 ES ES02701132T patent/ES2426336T3/es not_active Expired - Lifetime
  • 2002-02-19 EP EP02701132.9A patent/EP1378146B1/en not_active Expired - Lifetime
  • 2002-02-19 JP JP2002567011A patent/JP4125127B2/ja not_active Expired - Fee Related
  • 2002-02-19 CA CA2470238A patent/CA2470238C/en not_active Expired - Lifetime
  • 2002-02-19 WO PCT/CA2002/000220 patent/WO2002067626A2/en not_active Ceased
  • 2002-02-19 CN CNB028052579A patent/CN100379317C/zh not_active Expired - Fee Related
  • 2002-02-19 AU AU2002234463A patent/AU2002234463B2/en not_active Ceased
• 2003
  • 2003-01-01 ZA ZA200306436A patent/ZA200306436B/en unknown
  • 2003-01-21 US US10/349,545 patent/US6754357B2/en not_active Expired - Lifetime

Also Published As

Similar Documents

Legal Events