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An acoustical transmission means and a method for transmitting a sound

A technology of transmission device and magnetic device, which is applied in the direction of sensors, sensor components, bone conduction transducers, hearing equipment, etc., and can solve problems such as loss

Active Publication Date: 2013-10-23
OTICON MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this prior art device, the power signal is still transmitted through the skin as an electromagnetic signal, with associated losses, and a complex transducer with multiple electronic components must be provided in or at the skull

Method used

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  • An acoustical transmission means and a method for transmitting a sound
  • An acoustical transmission means and a method for transmitting a sound
  • An acoustical transmission means and a method for transmitting a sound

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Embodiment Construction

[0035] figure 1 A prior art vibrator 1 is disclosed for vibratory stimulation of the skull 2 ​​such that the skull vibrations will propagate through the bony tissue and reach the cochlea 3 causing the cochlea 3 to vibrate accordingly. This vibration is perceived by the cochlea 3 as sound. In this way, the usual sound input pathway to the cochlea that travels through the ear canal 10 , the tympanic membrane 11 , through the middle ear ossicles 12 , 13 , 14 and finally through the oval window 15 to the cochlea 3 of the inner ear is bypassed. The vibrator 1 is pressed against the skin 16 by means of a spring or a headband or similar. Transmission of the vibrations through the skin 16 will result in some damping, and considerable pressure between the vibrator and the skin 16 will be required to ensure that the vibrations are transmitted to the skull 2 ​​. This pressure can cause headaches, skin irritation, and bone breakdown in the stressed area.

[0036] exist figure 2 A mod...

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Abstract

The application relates to: An acoustical transmission means for transmission of acoustical energy to the cochlea including: - Liquid conducting assembly comprising a tube defining a bore therethrough and a liquid or semi-liquid medium filling said bore, for conducting acoustical energy there along; and - said liquid conduction assembly terminated at and adapted to be disposed in direct operative association with the cochlea, for introducing said acoustical energy to the cochlear, Acoustic input means at said liquid conduction assembly.

Description

technical field [0001] The present application relates to sound transmission devices and listening devices. In particular, the present invention relates to an acoustic transmission device for transmitting acoustic energy to the cochlea, comprising a catheter having a tube having a hole therethrough and a liquid or semi-liquid filling the hole to conduct acoustic energy therealong; and A window or hole in the cochlea is directly incorporated to terminate the fluid guide, to introduce acoustic energy therethrough, and also to provide acoustic input at the fluid guide. [0002] The invention can be used, for example, in applications such as hearing aids, earphones, headsets, hands-free phone systems, mobile phones, and the like. Background technique [0003] It is known to provide vibrations directly or indirectly to the skull to stimulate the cochlea whereby the stimulation can be perceived as sound. Vibrations are provided to provide some degree of hearing to people with a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R25/00H04R9/06H04R3/00
CPCH04R2460/13H04R2225/67H04R25/606A61F11/045H04R25/65F04C2270/0421
Inventor T·约翰松
Owner OTICON MEDICAL
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