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US-2024005937-A1 · Jan 4, 2024 · US
Subcutaneous piezoelectric bone conduction hearing aid actuator and system
US8942400B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8942400-B2 |
| Application number | US-201013375397-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 8, 2010 |
| Priority date | Jun 9, 2009 |
| Publication date | Jan 27, 2015 |
| Grant date | Jan 27, 2015 |
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Abstract
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An implantable bone-conduction hearing actuator based on a piezoelectric element, such as a unimorph or bimorph cantilever bender, is described. Unlike other implantable bone conduction hearing actuators, the device is subcutaneous and once implanted is entirely invisible. The device excites bending in bone through a local bending moment rather than the application of a point force as with conventional bone-anchored hearing aids.
First claim
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The invention claimed: 1. A bone conduction hearing aid, comprising: a piezoelectric transducer for subcutaneous fixation to a skull of a patient in the vicinity of the mastoid promontory, the piezoelectric transducer being laterally distorted in response to an applied electrical field thereby applying a compressional lateral stress and bending moment to bone of the skull in the vicinity the piezoelectric transducer and bending the bone to generate bone vibration to excite the mov…
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Electricity · mapped topic
- H04R25/606Primary
Electricity · mapped topic
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- What does patent US8942400B2 cover?
- An implantable bone-conduction hearing actuator based on a piezoelectric element, such as a unimorph or bimorph cantilever bender, is described. Unlike other implantable bone conduction hearing actuators, the device is subcutaneous and once implanted is entirely invisible. The device excites bending in bone through a local bending moment rather than the application of a point force as with conv…
- Who is the assignee on this patent?
- Adamson Robert Bruce Alexander, Brown Jeremy A, Bance Manohar, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H04R25/606. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jan 27 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).