Method and apparatus for audio input to implantable hearing aids

• US 6,620,094 B2
• Filed: 11/21/2001
• Issued: 09/16/2003
• Est. Priority Date: 11/21/2001
• Status: Expired due to Term

• Current Assignee: Otologics, LLC
• Original Assignee: Otologics, LLC
• Inventors: Miller, Douglas Alan
• Primary Examiner(s): Winakur, Eric F.
• Assistant Examiner(s): VENIAMINOV, NIKITA R
• Application Number:
  US09/991,735
• Publication Number:
  US 20030097037A1
• Time in Patent Office: 664 Days
• Field of Search: 600/25, 607/55, 607/57, 607/56, 181/129-135, 455/41, 455/67.2, 455/67.3
• US Class Current: 600/25
• CPC Class Codes: H04R 2225/67 Implantable hearing aids or parts thereof not covered by H04R25/606
• CPC Class Codes: H04R 25/43 Electronic input selection or mixing based on input signal analysis, e.g. mixing or selection between microphone and telecoil or between microphones with different directivity characteristics H04R25/407 takes precedence
• CPC Class Codes: H04R 25/554 using a wireless connection, e.g. between microphone and amplifier or using Tcoils
• CPC Class Codes: H04R 25/606 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
• CPC Class Codes: H04R 5/04 Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments combinations of amplifiers H03F3/68; stereophonic systems H04S

Abstract

An interface system for semi-implantable and fully implantable hearing aid devices that provides direct delivery of audio input from external wireline and wireless sources to the speech processor of the hearing aid. The speech processor of the hearing aid processes the audio inputs to produce a processed signal for a transducer portion of the hearing aid that is implanted in a hearing impaired individual. In a semi-implantable hearing aid, the interface system could be included in the external portion of the hearing aid or be included in an audio input device that replaces the external portion of the hearing aid when sound from a wireless or wireline source is desired. In a fully implantable hearing aid, an audio input device including the interface system is provided for use when sound from a wireless or wireline source is desired.

Claims

1. A hearing aid system, comprising:

a speech processor to process a wireline audio signal to generate a processed signal;

a transducer implantable within an ear to use one of the processed signal and the wireline audio signal to stimulate a component of the ear;

a first interface to receive a wireline input from a wireline source providing the wireline audio signal;

an external transmitter to transcutaneously transmit one of the wireline audio signal and the processed signal; and

an implantable receiver for receiving the one of the wireline signal and the processed signal.

2. The system of claim 1 comprising:

a second interface to receive a first wireless audio signal from a first wireless source providing the first wireless audio signal;

wherein the speech processor processes the first wireless audio signal to generate the processed signal and the transmitter transcutaneously transmits one of the first wireless audio signal and the processed signal.

3. The system of claim 2 wherein the first wireless signal is an infrared wireless signal.

4. The system of claim 2 comprising:

a third interface to receive a second wireless audio signal from a second wireless source providing the second wireless audio signal;

wherein the second wireless audio signal is different in type from the first wireless audio signal, and wherein the speech processor processes the second wireless audio signal to generate the processed signal and the transmitter transcutaneously transmits one of the second wireless audio signal and the processed signal.

5. The system of claim 4 wherein the speech processor pulse width modulates the first wireless signal, the second wireless signal, and the wireline signal to generate the processed signal.

6. The system of claim 4 wherein the speech processor on-off key modulates the first wireless signal, the second wireless signal, and the wireline signal to generate the processed signal.

7. The system of claim 4 wherein the second wireless signal is a radio frequency signal.

8. The system of claim 4 comprising;

a microphone to receive acoustic sound from an external source providing the acoustic sound;

wherein the speech processor processes the acoustic sound to generate the processed signal and transmitter transcutaneously transmits one of the acoustic sound and the processed signal.

9. The system of claim 8 wherein the first interface is an audio input jack, the second interface is a first wireless receiver, and the third interface is a second wireless receiver.

10. The system of claim 9 comprising:

mode selection logic to select between one of the first wireless receiver, the second wireless receiver, the audio input jack, and the microphone to receive a respective one of the first wireless signal, the second wireless signal, the wireline signal and the sound waves in response to a user input; and

volume control logic to increase or decrease a perceived volume of the first wireless signal, the second wireless signal, the wireline signal and the sound waves from the selected one of the first wireless receiver, the second wireless receiver, the audio input jack, and the microphone.

11. The system of claim 1 wherein the wireline source is a directional microphone.

12. The system of claim 1 wherein the wireline source is a cellular telephone.

13. The system of claim 1 wherein the wireline source is a compact disk player.

14. An audio input device for a fully implantable and a semi-implantable hearing aid, the device comprising:

a housing including means for externally mounting the housing in proximity to an ear;

a first interface within the housing to receive, in a detachable manner, a connector for attaching a wireline carrying a wireline audio signal from a wireline source;

a transmitter within the housing to transcutaneously transmit the wireline audio signal to a transducer implanted within the ear; and

a power source to provide power to the-audio-input-device.

15. The device of claim 14 comprising:

means within the housing to inductively couple power to recharge an implanted power source.

16. The device of claim 14 comprising:

a second interface to receive a first wireless audio signal from a first wireless source providing the first wireless audio signal, wherein the transmitter transcutaneously transmits the first wireless audio signal to the transducer.

17. The device of claim 16 wherein the first wireless signal is an infrared wireless signal.

18. The device of claim 16 comprising:

a third interface to receive a second wireless audio signal from a second wireless source providing the second wireless audio signal, wherein the second wireless audio signal is different in type from the first wireless audio signal and the transmitter transcutaneously transmits the second wireless audio signal to the transducer.

19. The device of claim 18 wherein the second wireless signal is a radio frequency signal.

20. The device of claim 18 wherein the first interface is an audio input jack, the second interface is a first wireless receiver, and the third interface is a second wireless receiver.

21. The device of claim 20 comprising:

mode selection logic to select between one of the first wireless receiver, the second wireless receiver, and the audio input jack to receive a respective one of the first wireless audio signal, the second wireless audio signal, and the wireline signal in response to a user input; and

volume control logic to increase or decrease a perceived volume of the first wireless audio signal, the second wireless audio signal, and the wireline audio signal from the selected one of the first wireless receiver, the second wireless receiver, and the audio input jack.

22. The device of claim 14 wherein the wireline source is a directional microphone.

23. The device of claim 14 wherein the wireline source is a cellular telephone.

24. The device of claim 14 wherein the wireline source is a compact disk player.

25. A fully implantable hearing aid system comprising:

a speech processor implantable within an ear to process a wireline audio signal to generate a processed signal;

a transducer implantable within the ear to use the processed signal to stimulate a component of the ear;

a first power source implantable within the ear to provide power to the speech processor and the transducer; and

an audio input device externally mountable in proximity to the ear comprising;

a first interface to receive a wireline input from a wireline source providing the wireline audio signal;

a transmitter to transcutaneously.transmit the wireline audio signal to the speech processor; and

a second power source to provide power to the first interface and the transmitter.

26. The device of claim 25 comprising:

means within the audio input device to recharge the first power source.

27. The device of claim 26 wherein the audio input device comprises:

a second interface to receive a first wireless audio signal from a first wireless source providing the first wireless audio signal;

wherein the transmitter transcutaneously transmits the first wireless audio signal to the speech processor.

28. The device of claim 27 wherein the first wireless signal is an infrared wireless signal.

29. The device of claim 27 wherein the audio input device comprises:

a third interface to receive a second wireless audio signal from a second wireless source providing the second wireless audio signal;

wherein the second wireless audio signal is different in type from the first wireless audio signal and the transmitter transcutaneously transmits the second wireless audio signal to the speech processor.

30. The device of claim 29 wherein the second wireless signal is a radio frequency signal.

31. The device of claim 29 wherein the first interface is an audio input jack, the second interface is a first wireless receiver, and the third interface is a second wireless receiver.

32. The device of claim 31 where the interface system comprises:

mode selection logic to select between one of the first wireless receiver, the second wireless receiver, and the audio input jack to receive a respective one of the first wireless audio signal, the second wireless audio signal, and the wireline signal in response to a user input; and

volume control logic to increase or decrease a perceived volume of the first wireless audio signal, the second wireless audio signal, and the wireline audio signal from the selected one of the first wireless receiver, the second wireless receiver, and the audio input jack.

33. The device of claim 25 wherein the wireline source is a directional microphone.

34. The device of claim 25 wherein the wireline source is a cellular telephone.

35. The device of claim 25 wherein the wireline source is a compact disk player.

36. A method for providing an audio signal to a hearing aid that is at least partially implanted within an ear, the method comprising:

receiving in an external interface mountable in proximity to the ear, a wireline audio signal from a wireline source;

processing the wireline audio signal to produce a processed signal; and

transcutaneously transmitting one of the wireline audio signal and the processed signal to an implanted transducer; and

using one of the processed signal and the wireline audio signal to stimulate a component of the ear.

37. The method of claim 36 comprising:

receiving in the external interface, a first wireless signal from a first wireless source; and

processing the first wireless audio signal to produce the processed signal;

transcutaneously transmitting one of the first wireless audio signal and the processed signal to the implanted transducer; and

using one of the processed signal and the first wireless audio signal to stimulate a component of the ear.

38. The method of claim 37 comprising:

receiving in the external interface, a second wireless audio signal from a second wireless source, wherein the second wireless audio signal is different in type from the first wireless audio signal;

processing the second wireless audio signal to produce the processed signal;

transcutaneously transmitting one of the second wireless audio signal and the processed signal to the implanted transducer; and

using one of the processed signal and the second wireless audio signal to stimulate a component of the ear.

39. The method of claim 38 the method comprising:

responsive to a first input from a user, selecting between one of a first wireless receiver, a second wireless receiver and an audio input jack to receive a respective one of the first wireless signal, the second wireless signal, and the wireline signal.

40. The method of claim 39 the method comprising:

responsive to a second input from the user, increasing a perceived volume of the first wireless signal, the second wireless signal, and the wireline signal from the selected one of the first wireless receiver, the second wireless receiver, and the audio input jack; and

responsive to a third input from the user, decreasing a perceived volume of the first wireless signal, the second wireless signal, and the wireline signal from the selected one of the first wireless receiver, the second wireless receiver, and the audio input jack.

41. An audio input device for a fully implantable and a semi-implantable hearing aid, the device comprising:

a first housing including a means for externally mounting the housing in proximity to an ear;

at least one interface in the first housing to receive one of a first wireless audio signal and a first wireline audio signal from one of a first wireless source providing the first wireless audio signal and a first wireline source providing the first wireline audio signal;

a transmitter to transcutaneously transmit the received one of the first wireless audio signal and the first wireline audio signal to a transducer implanted within the ear; and

a power source to provide power to the audio input device.

42. The device of claim 41 comprising:

means in the first housing to inductively couple power to recharge an implanted power source.

43. The device of claim 41 wherein the transmitter is located in the first housing.

44. The device of claim 41 wherein the at least one interface is located in the first housing and the transmitter is located in a second housing.

45. The device of claim 44 wherein one of the first housing and the second housing is local table behind the ear of a patient.

46. A method for providing an audio signal to a hearing aid that is at least partially implanted within an ear, the method comprising:

receiving in an external interface mountable in proximity to the ear, a first wireless audio signal from a first wireless source;

processing the first wireless audio signal to produce a processed signal; and

transcutaneously transmitting one of the first wireless audio signal and the processed signal to an implanted transducer; and

using one of the processed signal and the first wireless audio signal to stimulate a component of the ear.

47. The method of claim 46, the method comprising:

receiving in the external interface, a wireline audio signal from a wireline source;

processing the wireline audio signal to produce the processed signal; and

transcutaneously transmitting one of the wireline audio signal and the processed signal to the transducer; and

using one of the processed signal and the wireline audio signal to stimulate the component of the ear.

48. The method of claim 47 comprising:

receiving in the external interface, a second wireless audio signal from a second wireless source, wherein the second wireless audio signal is different in type from the first wireless audio signal;

processing the second wireless audio signal to produce the processed signal;

transcutaneously transmitting one of the second wireless audio signal and the processed signal to the transducer; and

using one of the processed signal and the second wireless audio signal to stimulate the component of the ear.

49. The method of claim 48 the method comprising:

responsive to an input from a user, selecting between one of the first wireless interface, the second wireless interface and the wireline interface to receive a respective one of the first wireless signal, the second wireless signal, and the wireline signal.

50. An audio input device for a fully implantable and a semi-implantable hearing aid, the device comprising:

a housing including a means for externally mounting the housing in proximity to an ear;

a first interface within the housing to receive a wireline input from a wireline source providing a wireline audio signal;

a transmitter to transcutaneously transmit the wireline audio signal to a transducer implanted within the ear;

a power source to provide power to the audio input device; and

means within the housing to inductively couple power to recharge an implanted power source.

51. An audio input device for a fully implantable and a semi-implantable hearing aid, the device comprising:

a housing including a means for externally mounting the housing in proximity to an ear;

a first interface within the housing to receive a wireline input from a wireline source providing a wireline audio signal;

a transmitter to transcutaneously transmit the wireline audio signal to a transducer implanted within the ear;

a power source to provide power to the audio input device; and

a second interface to.receive a first wireless audio signal from a first wireless source providing the first wireless audio signal, wherein the transmitter transcutaneously transmits the first wireless audio signal to the transducer.

52. The device of claim 51 comprising:

a third interface-to receive a second wireless audio signal from a second wireless source providing the second wireless audio signal, wherein the second wireless audio signal is different in type from the first wireless audio signal and the transmitter transcutaneously transmits the second wireless audio signal to the transducer.

53. The device of claim 52 wherein the first interface is an audio input jack, the second interface is a first wireless receiver, and the third interface is a second-wireless receiver.

54. The device of claim 53 comprising:

mode selection logic to select between one of the first wireless receiver, the second wireless receiver, and the audio input jack to receive a respective one of the first wireless audio signal, the second wireless audio signal, and the wireline signal in response to a user input; and

volume control logic to increase or decrease a perceived volume of the first wireless audio signal, the second wireless audio signal, and the wireline audio signal from the selected one of the first wireless receiver, the second wireless receiver, and the audio input jack.

55. The device of claim 51 comprising:

means within the housing to inductively couple power to recharge an implanted power source.