IP Library Granted Patent US 12,453,865
Granted Patent B2
US 12,453,865 · App. 17/589,082 · Granted Oct 28, 2025

External auditory canal photobiomodulation and audio therapy device

Inventors: Christopher R. Brown (Greensburg, IN); Mark T. Volz (Batesville, IN)
Assignee: Neuraxis, Inc.
A61N5/0622A61N5/0603H04R1/02H04R1/1016H04R1/1041A61N2005/0605A61N2005/0626A61N2005/0647A61N2005/0651A61N2005/0663
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Quick Facts
Patent No.
US 12,453,865
App. No.
17/589,082
Granted
Oct 28, 2025
Kind
B2
Abstract

A photobiomodulation and audio therapy device may include a housing configured to be inserted into an external auditory meatus of a human ear, at least one irradiation source coupled to the housing, at least one speaker carried by the, and an electrical circuit carried by the housing and electrically connected to the at least one irradiation source and to the at least one speaker. The electrical circuit may control, with the housing inserted into the external auditory meatus, the at least one irradiation source to irradiate at least one of an arterial branch and a peripheral nerve branch of at least one cranial nerve through at least a portion of dermis of the external auditory meatus, and the at least one speaker to produce acoustic waves directed through the external auditory meatus and toward a tympanic membrane of the ear.

Claims (40)

1. A photobiomodulation and audio therapy device, comprising:

a housing including a first portion configured to be inserted into an external auditory meatus of a human ear and defining at least one opening at one end thereof and a second portion,

at least one irradiation source coupled to the housing such that, with the housing inserted into the external auditory meatus, at least a portion of a radiation emitting surface thereof faces at least a portion of dermis of the external auditory meatus beneath which at least one of an arterial branch and a peripheral nerve branch of at least one cranial nerve is located, wherein the at least the portion of the radiation emitting surface of the at least one irradiation source directs radiation radially outwardly from the housing,

at least one speaker carried by the housing such that, with the housing inserted into the external auditory meatus, acoustic waves exiting the at least one speaker pass axially through the at least one opening of the housing and move through the external auditory meatus toward a tympanic membrane of the human ear, and

an electrical circuit carried by the housing and electrically connected to the at least one irradiation source and to the at least one speaker, the electrical circuit including at least a first circuit component to control the at least one irradiation source to irradiate the at least one of the arterial branch and the peripheral nerve branch of the at least one cranial nerve through the at least a portion of dermis of the external auditory meatus and at least a second circuit component to control the at least one speaker to produce acoustic waves,

wherein the at least one irradiation source includes light sources arrayed circumferentially on the first portion of the housing, thereby positioning each of the light sources opposite to, and facing, the at least one of the arterial branch and peripheral nerve branch of the at least one cranial nerve.

2. The photobiomodulation and audio therapy device of claim 1 , further comprising means for controlling the at least the first circuit component and the at least the second circuit component to alternatingly cause the at least one irradiation source to produce radiation while the at least one speaker is not producing acoustic waves, and to cause the at least one speaker to produce acoustic waves while the at least one irradiation source is not producing radiation.

3. The photobiomodulation and audio therapy device of claim 1 , further comprising means for controlling the at least the first circuit component and the at least the second circuit component to simultaneously cause the at least one irradiation source to produce radiation and the at least one speaker to produce acoustic waves.

4. The photobiomodulation and audio therapy device of claim 1 , wherein the at least the second circuit is configured to receive one or more audio signals from an external source, and to control the at least one speaker to produce acoustic waves corresponding to the one or more audio signals.

5. The photobiomodulation and audio therapy device of claim 1 , wherein the at least one irradiation source is configured to produce electromagnetic radiation in at least one frequency or range of frequencies of visible light.

6. The photobiomodulation and audio therapy device of claim 5 , wherein the at least one frequency or range of frequencies include at least one frequency or range of frequencies of red light.

7. The photobiomodulation and audio therapy device of claim 1 , wherein at least a portion of the housing has a curved outer periphery,

and wherein the light sources include two or more light sources disposed radially about the curved outer periphery such that at least a portion of a radiation emitting surface of each of the two or more light sources faces a different portion of dermis of the external auditory meatus beneath which at least one peripheral nerve branch of a different respective cranial nerve is located.

8. The photobiomodulation and audio therapy device of claim 7 , wherein the two or more light sources include four light sources each radially positioned approximately equidistant from one another about the curved outer periphery of the housing.

9. The photobiomodulation and audio therapy device of claim 1 , wherein the at least one irradiation source comprises at least one light emitting diode (LED).

10. The photobiomodulation and audio therapy device of claim 1 , wherein the at least the first circuit component includes at least one switch and a timer circuit operatively coupled to the at least one irradiation source, the timer circuit configured to control the at least one switch to cause the at least one irradiation source to pulse on and off at a predetermined or selectable pulse rate.

11. The photobiomodulation and audio therapy device of claim 1 , wherein the first portion of the housing has the one end defining the at least one opening therethrough and an opposite end coupled to or integral with the second portion of the housing, and the second portion of the housing containing the electrical circuit.

12. A photobiomodulation and audio therapy system, comprising:

the photobiomodulation and audio therapy device of claim 1 , wherein the electrical circuit of the photobiomodulation and audio therapy device includes a wireless communication circuit or a communication circuit for conducting hard-wire communications, and

a mobile communication device including wireless communication circuitry configured to communicate wirelessly with the wireless communication circuit of the photobiomodulation and audio therapy device or including communication circuitry configured to communicate with the communication circuit of the photobiomodulation and audio therapy device via a hard-wire connection therebetween, the mobile communication device further comprising a processor programmed to control operation of the at least one irradiation source and the at least one speaker of the photobiomodulation and audio therapy device by communicating operating instructions to the electrical circuit of the photobiomodulation and audio therapy device wirelessly or via the hard-wire connection.

13. The photobiomodulation and audio therapy system of claim 12 , wherein the mobile communication device has stored therein, or is configured to access externally, one or more audio signal files,

and wherein the operating instructions communicated to the photobiomodulation and audio therapy device by the mobile communication device include at least one of the one or more audio signal files,

and wherein the at least the second circuit component is configured to supply audio signals from the at least one of the one or more audio signal files to the at least one speaker to cause the at least one speaker to produce the acoustic waves.

14. The photobiomodulation and audio therapy system of claim 13 , wherein the at least one of the one or more audio signal files include at least one of single frequency tone signals, multiple frequency tone signals, music signals, noise signals and beat signals.

15. A photobiomodulation apparatus, comprising two of the photobiomodulation and audio therapy devices of claim 1 , wherein the housing of one of the photobiomodulation and audio therapy devices is to be inserted into the external auditory meatus of one ear of a human and the housing of the other of the photobiomodulation and audio therapy devices is to be inserted into the external auditory meatus of an opposite ear of the human.

16. A photobiomodulation and audio therapy system, comprising:

the two photobiomodulation and audio therapy devices of claim 15 , wherein the electrical circuit of each of the two photobiomodulation and audio therapy devices includes a wireless communication circuit or a communication circuit for conducting hard-wire communications, and

a mobile communication device including wireless communication circuitry configured to communicate wirelessly with the wireless communication circuit of each of the two photobiomodulation and audio therapy devices or including communication circuitry configured to communicate with the communication circuit of each of the two photobiomodulation and audio therapy devices via a hard-wire connection therebetween, the mobile communication device further comprising a processor programmed to control operation of the at least one irradiation source and the at least one speaker of each of the two photobiomodulation and audio therapy devices by communicating operating instructions to the electrical circuit of each of the two photobiomodulation and audio therapy devices wirelessly or via the hard-wire connection.

17. The photobiomodulation and audio therapy system of claim 16 , wherein the mobile communication device has stored therein, or is configured to access externally, one or more audio signal files,

and wherein the operating instructions communicated to the two photobiomodulation and audio therapy devices by the mobile communication device include at least one of the one or more audio signal files,

and wherein the at least the second circuit component of each of the two photobiomodulation and audio therapy devices is configured to supply audio signals from the at least one of the one or more audio signal files to the at least one speaker of each of the two photobiomodulation and audio therapy devices to cause the respective speakers to produce respective acoustic waves.

18. The photobiomodulation and audio therapy system of claim 17 , wherein the at least one of the one or more audio signal files include at least one of single frequency tone signals, multiple frequency tone signals, music signals, noise signals, beat signals and binaural beat signals.

19. A method of providing photobiomodulation and audio therapy to a human using two therapy devices each having a housing configured to be inserted into an external auditory meatus of a respective one of a pair of human ears, wherein each of the housings carries at least one irradiation source and at least one speaker, wherein each of the housings has a first portion configured to be inserted into the external auditory meatus of the respective one of the pair of human ears and a second portion, the method comprising:

inserting one of the therapy devices into the external auditory meatus of one of the pair of human ears such that at least a portion of a radiation emitting surface of the at least one respective irradiation source faces at least a portion of dermis of the external auditory meatus of the one of the pair of human ears beneath which at least one of a first arterial branch and a first peripheral nerve branch of at least one cranial nerve is located so that the at least the portion of the radiation emitting surface directs radiation radially outwardly from the respective housing, and such that acoustic waves exiting the at least one respective speaker pass axially through at least one opening in the respective housing and move through the external auditory meatus toward a tympanic membrane of the one of the pair of human ears,

inserting the other of the therapy devices into the external auditory meatus of the other of the pair of human ears such that at least a portion of a radiation emitting surface of the at least one respective irradiation source faces at least a portion of dermis of the external auditory meatus of the other of the pair of human ears beneath which at least one of a second arterial branch and a second peripheral nerve branch of the at least one cranial nerve is located so that the at least the portion of the radiation emitting surface directs radiation radially outwardly from the respective housing, and such that acoustic waves exiting the at least one respective speaker pass axially through at least one opening in the respective housing and move through the external auditory meatus toward a tympanic membrane of the other of the pair of human ears,

controlling the at least one irradiation source of each of the two therapy devices to irradiate the respective at least one of the first and second arterial branches and the first and second peripheral nerve branches of the at least one cranial nerve through the at least a portion of dermis of the external auditory meatus of each of the pair of human ears, and

simultaneously or alternatingly with controlling the at least one irradiation source of each of the two therapy devices, controlling the at least one speaker of each of the two therapy devices to produce the acoustic waves,

wherein the at least one irradiation source of each of the two therapy devices includes light sources arrayed circumferentially on the first portion of the respective housing, thereby positioning each of the light sources opposite to, and facing, the at least one of the arterial branch and peripheral nerve branch of the at least one cranial nerve.

20. The method of claim 19 , wherein controlling the at least one speaker of each of the two therapy devices including supplying audio signals from an audio signal file to the at least one speaker of each of the two therapy devices to cause the at least one speaker of each of the two therapy devices to produce respective acoustic waves,

and wherein the audio signal file includes at least one of single frequency tone signals, multiple frequency tone signals, music signals, noise signals, beat signals and binaural beat signals.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 22, 2026
From: NEURAXIS, INC.
To: BROWN, CHRISTOPHER R.
Reel/Frame 073543/0654 →
CHANGE OF NAME Recorded Jun 10, 2022
From: INNOVATIVE HEALTH SOLUTIONS, INC.
To: NEURAXIS, INC.
Reel/Frame 060335/0195 →
CHANGE OF NAME Recorded Apr 19, 2022
From: INNOVATIVE HEALTH SOLUTIONS, INC.
To: NEURAXIS, INC.
Reel/Frame 059726/0919 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 1, 2022
From: BROWN, CHRISTOPHER R.; VOLZ, MARK T.
To: INNOVATIVE HEALTH SOLUTIONS, INC.
Reel/Frame 058932/0552 →
Continuity (3)
Continuation In Part 17617364
Provisional Application 62866763 · Jun 26, 2019
Related Publication 20220176151A1 · Jun 9, 2022
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