DE20314005U1 - Improved sound transmission in hearing aids that use sound transmission through the bone using a vibration generator with good contact - Google Patents
Improved sound transmission in hearing aids that use sound transmission through the bone using a vibration generator with good contact Download PDFInfo
- Publication number
- DE20314005U1 DE20314005U1 DE20314005U DE20314005U DE20314005U1 DE 20314005 U1 DE20314005 U1 DE 20314005U1 DE 20314005 U DE20314005 U DE 20314005U DE 20314005 U DE20314005 U DE 20314005U DE 20314005 U1 DE20314005 U1 DE 20314005U1
- Authority
- DE
- Germany
- Prior art keywords
- sound transmission
- bone
- good contact
- vibration generator
- hearing aids
- 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.)
- Expired - Lifetime
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
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
- H04R25/652—Ear tips; Ear moulds
-
- 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
- H04R2460/13—Hearing devices using bone conduction 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
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)
- Percussion Or Vibration Massage (AREA)
Abstract
Description
Bei Patienten mit schweren Erkrankungen des Mittelohres kann häufig kein Hörgerät über Luftleitung angepasst werden. Bei ihnen kann daher der Schall nur als Knochenschall direkt zum Innenohr unter Umgehung des Schallleitungsapparates des äußeren und Mittelohr erfolgen. Die Ankopplung des Festkörperschalls an den Knochen kann mit Hilfe von Vibratoren, die an die Kopfhaut gepresst werden, oder über offene Schraubenimplantate erfolgen. Beide Methoden haben unterschiedliche Nachteile. Dazu zählen der teilweise unangenehme Andruck an den Kopf und die grundsätzlichen Probleme offener Implantate. Eine direkte Ankopplung an festen Knochen über offene Implantate erfordert nur einen direkten Kontakt mit dem schwingenden Festkörper.In patients with severe diseases of the Middle ear can often no hearing aid via air line be adjusted. With them, therefore, the sound can only be heard as bone sound directly to the inner ear bypassing the sound conduction apparatus of the outer and Middle ear. The coupling of solid-state sound to the bone can be done with the help of vibrators, which are pressed against the scalp, or over open ones Screw implants are made. Both methods have different ones Disadvantage. These include the sometimes uncomfortable pressure on the head and the basic ones Problems with open implants. Direct coupling to solid bones via open ones Implants only require direct contact with the vibrating one Solids.
Bei den implantatlosen Knochenleitungshörgeräten dient der erforderliche Andruck an die Kopfhaut dazu, die elastischen Eigenschaften des Weichgewebes über der Schädelkalotte zu modifizieren und dadurch den Impedanzsprung vom Vibrator durch die Haut und das subkutane Gewebe in den Knochen zu reduzieren. Die Dämpfung und damit die Hörleistung ist u.a. von der Dicke des Weichgewebes abhängig und in gewissem Umfang von dem Andruck abhängig. Bei einer dünnen, wenig elastischen und nur gering dämpfenden Weichgewebsschicht kann der Druck gering gehalten werden.For implantless bone conduction hearing aids the necessary pressure on the scalp, the elastic Properties of the soft tissue about the skull cap to modify and thereby through the impedance jump from the vibrator reduce the skin and subcutaneous tissue in the bones. The damping and thus the hearing performance is among others depending on the thickness of the soft tissue and to a certain extent depending on the pressure. With a thin, little elastic and only slightly damping soft tissue layer the pressure can be kept low.
Daher bietet sich die akustische
Ankopplung durch einen vorhandenen oder chirurgisch konstruierten
Gehörgang
an, der über
dem Gehörgangsknorpel
und oder -knochen nur eine sehr dünne Haut aufweist. Ausführungsbeispiele
sind in
Die Schallübertragung erfolgt von einem
Vibrator (
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20314005U DE20314005U1 (en) | 2003-09-08 | 2003-09-08 | Improved sound transmission in hearing aids that use sound transmission through the bone using a vibration generator with good contact |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20314005U DE20314005U1 (en) | 2003-09-08 | 2003-09-08 | Improved sound transmission in hearing aids that use sound transmission through the bone using a vibration generator with good contact |
Publications (1)
Publication Number | Publication Date |
---|---|
DE20314005U1 true DE20314005U1 (en) | 2004-01-15 |
Family
ID=30469991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20314005U Expired - Lifetime DE20314005U1 (en) | 2003-09-08 | 2003-09-08 | Improved sound transmission in hearing aids that use sound transmission through the bone using a vibration generator with good contact |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE20314005U1 (en) |
-
2003
- 2003-09-08 DE DE20314005U patent/DE20314005U1/en not_active Expired - Lifetime
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 20040219 |
|
R156 | Lapse of ip right after 3 years |
Effective date: 20070403 |