Tinnitus masking systems

• US 20090147976A1
• Filed: 12/11/2007
• Published: 06/11/2009
• Est. Priority Date: 09/08/2006
• Status: Abandoned Application

• Current Assignee: Sonitus Medical, Inc.
• Original Assignee: Sonitus Medical, Inc.
• Inventors: Abolfathi, Amir
• Application Number:
  US12/001,548
• Publication Number:
  US 20090147976A1
• Time in Patent Office: Days
• US Class Current: 381/315
• CPC Class Codes: A61C 5/00 Filling or capping teeth
• CPC Class Codes: H04R 2225/55 Communication between hearing aids and external devices via a network for data exchange
• CPC Class Codes: H04R 2225/67 Implantable hearing aids or parts thereof not covered by H04R25/606
• CPC Class Codes: H04R 2460/13 Hearing devices using bone conduction transducers
• CPC Class Codes: H04R 25/554 using a wireless connection, e.g. between microphone and amplifier or using Tcoils
• CPC Class Codes: H04R 25/604 of acoustic or vibrational transducers
• CPC Class Codes: H04R 25/70 Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting
• CPC Class Codes: H04R 25/75 Electric tinnitus maskers providing an auditory perception

Abstract

Tinnitus masking systems for treating tinnitus are described where a device is coupled to a surface of a bone or to a tooth or several teeth. Such a device may comprise an oral appliance having an electronic and/or transducer assembly for generating sounds via a vibrating transducer element. Generally, the transducer may generate one or more frequencies of sound via the actuatable transducer to transmit a modified audio signal via vibratory conductance to an inner ear of the patient to mask tinnitus during a peak of the audio signal and to allow the user to perceive the tinnitus during a trough of the audio signal. The audio signal is also modified to account for any hearing loss of the patient as well as a bone conductance profile measured from the patient.

Claims

1. A method of habituating a patient to tinnitus, comprising:

providing an audio signal which is spectrally modified via a masking algorithm which modifies at least a portion of the audio signal at selected frequencies whereby the tinnitus is completely masked to the patient during a peak of the audio signal and the tinnitus is perceived by the user during a trough of the audio signal;

further modifying the audio signal whereby the audio signal accounts for a bone conductance profile measured from a patient; and

actuating at least one transducer such that the audio signal modified for the bone conductance profile is transmitted via vibratory conductance through a bone of the patient to an inner ear of the patient such that the tinnitus is masked via the audio signal in an intermittent manner.

2. The method of claim 1 further comprising adjusting the audio signal to compensate for a measured hearing loss of the patient prior to actuating at least one transducer.

3. The method of claim 1 further comprising measuring a bone conductance profile of the patient prior to further modifying the audio signal.

4. The method of claim 1 further comprising transmitting the audio signal to a processor in communication with the at least one transducer prior to actuating at least one transducer.

5. The method of claim 4 wherein transmitting comprises wirelessly transmitting the audio signal to the processor.

6. The method of claim 4 wherein the processor is in wireless communication with the at least one transducer.

7. The method of claim 1 wherein actuating comprises actuating the at least one transducer against a surface of at least one tooth within the patient mouth such that the audio signal is transmitted via vibratory conductance.

8. The method of claim 1 wherein actuating comprises actuating a piezoelectric transducer to transmit the audio signal via vibratory conductance through the bone.

9. The method of claim 1 wherein actuating comprises actuating the at least one transducer continuously for a predetermined period of time.

10. The method of claim 1 further comprising recording a parameter of the transducer actuation.

11. The method of claim 10 wherein the parameter may comprise time or duration of transducer actuation.

12. A tinnitus masking system, comprising:

a housing sized for secure placement against a surface of a bone or tooth of a patient;

a transducer attached to the housing and coupled in vibratory communication with the surface of the bone or tooth;

an audio signal which is spectrally modified via a masking algorithm which modifies at least a portion of the audio signal at selected frequencies whereby tinnitus is completely masked to the patient during a peak of the audio signal and the tinnitus is perceived by the user during a trough of the audio signal, and wherein the audio signal is further modified to account for a bone conductance profile measured from the patient; and

a processor in communication with the transducer, wherein the processor is configured to actuate the transducer according to the audio signal such that the audio signal is transmitted via vibratory conductance through the surface of the bone or tooth and to an inner ear of the patient.

13. The system of claim 12 wherein the housing comprises an oral appliance sized for placement against the surface of at least one tooth.

14. The system of claim 12 wherein the transducer comprises a piezoelectric transducer.

15. The system of claim 12 wherein the audio signal is further modified to compensate for a measured hearing loss of the patient.

16. The system of claim 12 wherein the processor is attached to the housing and directly coupled to the transducer.

17. The system of claim 12 wherein the processor is in wireless communication with the transducer.