CA2302962A1 - In-ear system - Google Patents

In-ear system Download PDF

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Publication number
CA2302962A1
CA2302962A1 CA002302962A CA2302962A CA2302962A1 CA 2302962 A1 CA2302962 A1 CA 2302962A1 CA 002302962 A CA002302962 A CA 002302962A CA 2302962 A CA2302962 A CA 2302962A CA 2302962 A1 CA2302962 A1 CA 2302962A1
Authority
CA
Canada
Prior art keywords
ear
inflation
sheath
core
medium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002302962A
Other languages
French (fr)
Other versions
CA2302962C (en
Inventor
Ian Mcintosh
Roger Leon George Saulce
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sonomax Hearing Healthcare Inc
Original Assignee
Sonomax SFT Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sonomax SFT Inc filed Critical Sonomax SFT Inc
Publication of CA2302962A1 publication Critical patent/CA2302962A1/en
Application granted granted Critical
Publication of CA2302962C publication Critical patent/CA2302962C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06Protective devices for the ears
    • A61F11/08Protective devices for the ears internal, e.g. earplugs
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/65Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/652Ear tips; Ear moulds
    • H04R25/656Non-customized, universal ear tips, i.e. ear tips which are not specifically adapted to the size or shape of the ear or ear canal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/65Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/658Manufacture of housing parts
    • H04R25/659Post-processing of hybrid ear moulds for customisation, e.g. in-situ curing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06Protective devices for the ears
    • A61F11/08Protective devices for the ears internal, e.g. earplugs
    • A61F11/085Protective devices for the ears internal, e.g. earplugs including an inner channel

Abstract

The device comprises a core, surrounded by a thin sheath so as to form a chamber that can be inflated. Inflation is done while the device is inside the ear, using an inflation tool. The tool injects a solid-setting fluid into the chamber. After curing, the tool is detached, leaving a finished in-ear unit, upon which no further manufacturing processing is required.

Claims (11)

  1. Claim 1. Hearing apparatus, which is suitable for fitment to the ear of a person, wherein:
    the apparatus includes an ear-unit, which includes a sheath, and includes an end-plug;
    the sheath is a moulded structure, and is moulded to a configuration which is suitable for insertion inside a person's ear-canal, the end-plug being so large as to be not suitable for insertion into the person's ear-canal;
    the sheath is hollow inside, and the sheath defines, with the end-plug, an internal enclosed hollow chamber;
    the structure of the sheath is such that the hollow chamber can be inflated, in that the sheath is able to expand radially, upon the chamber being pressurised;
    the sheath is so structured, as to its shape and size, that, with the hollow chamber not inflated, the sheath is able to pass loosely into the ear-canal of a person;
    the ear-unit includes an inflation-port, having a mouth which lies outside the end-plug, and which is accessible from outside the person's ear, when the sheath has been passed into the ear-canal of the person, and the inflation-port communicates with the hollow chamber;
    the apparatus includes an inflation-medium, which initially is a liquid, but which is able to set and cure to a solid;
    the apparatus includes an operable injector-means, which is so structured as to be suitable to be applied to the mouth of the inflation-port, and which is effective, when operated, then to inject the inflation-medium, as a liquid, under pressure, through the inflation-port, and into the hollow chamber, while the sheath lies disposed in the ear-canal of the person, thereby to inflate the sheath to an inflated condition, in the person's ear-canal, and for maintaining the inflation-medium in the chamber while the medium sets and cures;
    the inflation-medium has adhesive properties, and, after setting and curing to solid, in the person's ear-canal, the inflation-medium lies adhered to the inside surface of the hollow-chamber in the sheath;
    the injector-means is so structured as to be detachable, after the medium has set and cured, from the mouth of the inflation-port, and from the ear-unit;
    whereby, with the injector-means detached therefrom, the ear-unit, comprising the sheath, and the end-plug, and including the solid inflation-medium in the chamber, comprises a complete unitary structure, being a structure that is suitable for removal from, and for subsequent re-insertion into, the ear-canal of the person.
  2. Claim 2. Hearing apparatus, which is suitable for fitment into the ear of a person, wherein:
    the apparatus includes an ear-unit, comprising a sheath and a core;
    the core comprises a main-portion, and an end-plug, located at a near end of the core;
    at a near end of the main-portion thereof, the main-portion is attached to the end-plug, and extends away from the end-plug;
    the sheath is generally tubular, and lies generally over and around the core;
    the apparatus includes a near-seal-means, for sealingly attaching a near-end-portion of the sheath to the near end of the core;
    the apparatus includes a far-seal-means, for sealingly attaching a far-end-portion of the sheath to the far end of the core;
    between the near end and the far end, the sheath comprises a middle-portion, and the inside surface of the sheath is free of adherence to the outside surface of the core, over the middle portion;
    the sheath is so positioned over and around the core as to define an annular chamber between the inside surface of the sheath and the outside surface of the core;
    the annular chamber is closed at the near end by the near-seal-means, and is closed at the far end by the far-seal-means;
    the disposition of the sheath on the core is such that the middle-portion of the sheath can be inflated, in that the middle-portion is able to expand radially away from the core, upon the annular-chamber being pressurised;
    the ear-unit is so structured, as to its shape and size, that, with the annular chamber not inflated, the ear-unit is able to pass loosely into the ear-canal of a person;
    the ear-unit includes an inflation-port, having a mouth which lies outside the end-plug, and which is accessible from outside the person's ear, when the ear-unit has been passed into the ear-canal of the person;
    the apparatus includes an inflation-medium, which initially is a liquid, but which is able to set and cure to a solid;

    the apparatus includes an operable injector-tool, which is so structured as to be suitable to be applied to the mouth of the inflation-port, and which is effective, when operated, then to inject the inflation-medium, as a liquid, under pressure, through the inflation-port, and into the annular chamber, while the ear-unit lies disposed in the ear-canal of the person, thereby to inflate the ear-unit to an inflated condition, in the person's ear canal, and as to be suitable for maintaining the inflation-medium in the chamber while the medium sets and cures;
    the inflation-medium has adhesive properties, and, after setting and curing to solid, in the person's ear-canal, the inflation-medium lies adhered to the inside surface of the sheath and to the outside surface of the core;
    the injector-tool is so structured as to be detachable, after the medium has set and cured, from the mouth of the inflation-port, and from the ear-unit;
    whereby, with the injector-tool detached therefrom, the ear-unit, comprising the core and the sheath, and including the solid inflation-medium in the chamber therebetween, comprises a complete unitary structure, which is suitable for removal from, and for subsequent re-insertion into, the ear-canal of the person.
  3. Claim 3. Apparatus of claim 2, wherein the ear-unit, upon detachment of the injector-tool therefrom, is complete in the sense that substantially no further manufacturing processing of the ear-unit is required for the ear-unit to be suitable for repeated insertion into, and removal from, the ear-canal of the person.
  4. Claim 4. Apparatus of claim 2, wherein the inflation-port comprises an inflation-tube, which passes through the core, and the inflation-tube communicates the mouth of the inflation-port, in the end-plug, with the outside surface of the middle-portion of the core, and the inflation-tube opens into the annular chamber.
  5. Claim 5. Apparatus of claim 4, wherein:
    an in-tube portion of the now-cured medium is a portion that remains in the inflation-tube, and remains attached to the injector-tool, after the inflation-medium has cured;
    the inflation-tube is so configured that, upon detachment of the injector-tool from the end plug, the in-tube portion of the now-cured medium breaks off, leaving a stump of the now-cured medium remaining in the inflation-tube.
  6. Claim 6. Apparatus of claim 2, wherein:
    the sheath is in the form of a thin, flexible membrane, and the sheath, by itself, has substantially no inherent structural rigidity;
    the core is of a form that is solid and rigid enough that the core has an inherent structural rigidity.
  7. Claim 7. Apparatus of claim 6, wherein the sheath and the core are so dimensioned that, prior to inflation, the sheath lies stretched tightly over the core, to the extent that substantially no air lies trapped between the inside surface of the sheath and the outside surface of the core.
  8. Claim 8. Apparatus of claim 6, wherein the core is elastomeric, and the core, though having some inherent structural rigidity, is also soft and squeezable.
  9. Claim 9. Apparatus of claim 8, wherein the core is pre-moulded
  10. Claim 10. Apparatus of claim 2, wherein the core includes a sound-means, for transmitting sounds to the ear drum, and the sound-means includes a portion which is located at or near the far end of the in-ear-unit, and which faces the ear drum.
  11. Claim 11. Apparatus of claim 10, wherein the sound-means includes a tube, running lengthwise through the core, and sealed from the annular chamber.
CA2302962A 1999-03-26 2000-03-23 In-ear system Expired - Fee Related CA2302962C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9907050.0A GB9907050D0 (en) 1999-03-26 1999-03-26 System for fitting a hearing device in the ear
GB9907050.0 1999-03-26

Publications (2)

Publication Number Publication Date
CA2302962A1 true CA2302962A1 (en) 2000-09-26
CA2302962C CA2302962C (en) 2010-06-08

Family

ID=10850459

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2302962A Expired - Fee Related CA2302962C (en) 1999-03-26 2000-03-23 In-ear system

Country Status (3)

Country Link
US (1) US6339648B1 (en)
CA (1) CA2302962C (en)
GB (1) GB9907050D0 (en)

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