WO1998031193B1 - Open ear canal hearing aid system - Google Patents

Open ear canal hearing aid system

Info

Publication number
WO1998031193B1
WO1998031193B1 PCT/US1998/000538 US9800538W WO9831193B1 WO 1998031193 B1 WO1998031193 B1 WO 1998031193B1 US 9800538 W US9800538 W US 9800538W WO 9831193 B1 WO9831193 B1 WO 9831193B1
Authority
WO
WIPO (PCT)
Prior art keywords
ear canal
hearing aid
open
aid system
sounds
Prior art date
Application number
PCT/US1998/000538
Other languages
French (fr)
Other versions
WO1998031193A1 (en
Filing date
Publication date
Priority claimed from US08/781,714 external-priority patent/US6275596B1/en
Application filed filed Critical
Priority to JP53120398A priority Critical patent/JP3807750B2/en
Priority to EP98902495A priority patent/EP0951803B1/en
Priority to AU59139/98A priority patent/AU5913998A/en
Priority to DE69840768T priority patent/DE69840768D1/en
Priority to AT98902495T priority patent/ATE429786T1/en
Priority to DK98902495T priority patent/DK0951803T3/en
Publication of WO1998031193A1 publication Critical patent/WO1998031193A1/en
Publication of WO1998031193B1 publication Critical patent/WO1998031193B1/en

Links

Abstract

An open ear canal hearing aid system (1) comprises an ear canal tube (10) sized or shaped for positioning in an ear canal of a user so that the ear canal is at least partially open for directly receiving ambient sounds. The open ear canal hearing aid system (1) further comprises a sound processor (44, 46) for amplifying received ambient sounds included within a predetermined frequency to produce processed sounds and a receiver (50) for supplying said processed sounds to said ear canal tube.

Claims

-18- AMENDED CLAIMS[received by the International Bureau on 8 July 1998 (08.07.98); original claims 1 and 6 amended; new claims 12-13 added; remaining claims unchanged (2 pages)]
1. An open ear canal hearing aid system comprising: an ear canal tube sized for positioning in an ear canal of a user so that the ear canal is at least partially open for directly receiving ambient sounds; and a sound processor for amplifying received ambient sounds included only within a predetermined amplitude and frequency range to produce processed sounds and for supplying said processed sounds to said ear canal tube.
2. An open ear canal hearing aid system according to claim 1, wherein the predetermined amplitude and frequency range is selected for a predetermined level of hearing loss.
3. An open ear canal hearing aid system according to claim 2, wherein said frequency range is greater than 1 kHz, and said amplitude range is less than 70 dB of sound pressure level (SPL).
4. An open ear canal hearing aid system according to claim 1, wherein said ear canal tube has an inside diameter of less than 0.030 inches and an outside diameter of less than 0.050 inches.
5. An open ear canal hearing aid system according to claim 1, wherein said ear canal tube comprises a barb at a tip securing said ear canal tube in the ear canal of the user.
6. An open ear canal hearing aid system according to claim 1, wherein feedback due to sound emanating from the ear canal is reduced.
7. An open ear canal hearing aid system according to claim 1, further comprising a microphone for receiving sounds, wherein said sound processor comprises a detector for detecting whether the sounds received by said microphone -19-
are within said predetermined amplitude and frequency range and a compressor for applying compression and amplification to said sounds responsive to said detection.
8. An open ear canal system according to claim 7, wherein said compressor applies the same amount of compression to sounds within a predetermined frequency range.
9. An open ear canal system according to claim 8, wherein said predetermined frequency range includes frequencies greater than 1 kHz.
10. An open ear canal system according to claim 7, wherein said compressor applies different amounts of compression to sounds within a predetermined frequency range.
11. An open ear canal system according to claim 10, wherein said predetermined frequency range includes frequencies greater than 1 kHz.
12. An open ear canal hearing aid system according to claim 5, wherein the barb extends outward from the ear canal tube and lodges behind the tragus.
13. An open ear canal hearing aid system according to claim 1, further comprising means for shaping the frequency response of the sound processor.
PCT/US1998/000538 1997-01-10 1998-01-09 Open ear canal hearing aid system WO1998031193A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP53120398A JP3807750B2 (en) 1997-01-10 1998-01-09 Open ear hearing aid system
EP98902495A EP0951803B1 (en) 1997-01-10 1998-01-09 Open ear canal hearing aid system
AU59139/98A AU5913998A (en) 1997-01-10 1998-01-09 Open ear canal hearing aid system
DE69840768T DE69840768D1 (en) 1997-01-10 1998-01-09 HEARING DEVICE FOR OPEN HEARING
AT98902495T ATE429786T1 (en) 1997-01-10 1998-01-09 HEARING AID ARRANGEMENT FOR AN OPEN EAR CANAL
DK98902495T DK0951803T3 (en) 1997-01-10 1998-01-09 An open-ear hearing aid system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/781,714 US6275596B1 (en) 1997-01-10 1997-01-10 Open ear canal hearing aid system
US08/781,714 1997-01-10

Publications (2)

Publication Number Publication Date
WO1998031193A1 WO1998031193A1 (en) 1998-07-16
WO1998031193B1 true WO1998031193B1 (en) 1998-08-20

Family

ID=25123671

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/000538 WO1998031193A1 (en) 1997-01-10 1998-01-09 Open ear canal hearing aid system

Country Status (8)

Country Link
US (1) US6275596B1 (en)
EP (2) EP0951803B1 (en)
JP (1) JP3807750B2 (en)
AT (1) ATE429786T1 (en)
AU (1) AU5913998A (en)
DE (1) DE69840768D1 (en)
DK (1) DK0951803T3 (en)
WO (1) WO1998031193A1 (en)

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