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EP1181950A3 - Implantable hearing system having means for measuring the coupling quality - Google Patents

Implantable hearing system having means for measuring the coupling quality Download PDF

Info

Publication number
EP1181950A3
EP1181950A3 EP01118060A EP01118060A EP1181950A3 EP 1181950 A3 EP1181950 A3 EP 1181950A3 EP 01118060 A EP01118060 A EP 01118060A EP 01118060 A EP01118060 A EP 01118060A EP 1181950 A3 EP1181950 A3 EP 1181950A3
Authority
EP
European Patent Office
Prior art keywords
output converter
signal processing
measuring
mechanical
impedance
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
EP01118060A
Other languages
German (de)
French (fr)
Other versions
EP1181950A2 (en
EP1181950B1 (en
Inventor
Hans Dr.-Ing. Leysieffer
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.)
Cochlear Ltd
Original Assignee
Cochlear Ltd
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 Cochlear Ltd filed Critical Cochlear Ltd
Publication of EP1181950A2 publication Critical patent/EP1181950A2/en
Publication of EP1181950A3 publication Critical patent/EP1181950A3/en
Application granted granted Critical
Publication of EP1181950B1 publication Critical patent/EP1181950B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of 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
    • H04R25/60—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
    • 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
    • H04R2225/67—Implantable hearing aids or parts thereof not covered by H04R25/606

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Neurosurgery (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Prostheses (AREA)

Abstract

The system has at least one sensor for picking up sound signals and converting them into electrical signals, an electronic unit for audio signal processing and amplification, an electrical supply unit and at least one electromechanical output converter for mechanical stimulation of the middle and/or inner ear. An impedance measurement arrangement determines the mechanical impedance of the biological load structure coupled to the output converter. The system has at least one sensor (10a-10n) for picking up sound signals ands converting them into corresponding electrical signals, an electronic signal processing unit (12) for audio signal processing and amplification, an electrical supply unit (30) and at least one electromechanical output converter (16) for mechanical stimulation of the middle and/or inner ear. An impedance measurement arrangement (25) determines the mechanical impedance of the biological load structure coupled to the output converter in the implanted state.
EP01118060A 2000-08-25 2001-07-25 Implantable hearing system having means for measuring the coupling quality Expired - Lifetime EP1181950B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10041726 2000-08-25
DE10041726A DE10041726C1 (en) 2000-08-25 2000-08-25 Implantable hearing system with means for measuring the coupling quality

Publications (3)

Publication Number Publication Date
EP1181950A2 EP1181950A2 (en) 2002-02-27
EP1181950A3 true EP1181950A3 (en) 2004-01-28
EP1181950B1 EP1181950B1 (en) 2005-10-05

Family

ID=7653734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01118060A Expired - Lifetime EP1181950B1 (en) 2000-08-25 2001-07-25 Implantable hearing system having means for measuring the coupling quality

Country Status (5)

Country Link
US (1) US6554762B2 (en)
EP (1) EP1181950B1 (en)
AT (1) ATE305808T1 (en)
AU (1) AU776528B2 (en)
DE (2) DE10041726C1 (en)

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Also Published As

Publication number Publication date
US20020026091A1 (en) 2002-02-28
AU776528B2 (en) 2004-09-16
EP1181950A2 (en) 2002-02-27
DE10041726C1 (en) 2002-05-23
ATE305808T1 (en) 2005-10-15
AU6360901A (en) 2002-02-28
EP1181950B1 (en) 2005-10-05
US6554762B2 (en) 2003-04-29
DE50107599D1 (en) 2006-02-16

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