CN115844630A - A acoustoelectric stimulation auxiliary treatment equipment for alleviating tinnitus - Google Patents
A acoustoelectric stimulation auxiliary treatment equipment for alleviating tinnitus Download PDFInfo
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- CN115844630A CN115844630A CN202211474165.3A CN202211474165A CN115844630A CN 115844630 A CN115844630 A CN 115844630A CN 202211474165 A CN202211474165 A CN 202211474165A CN 115844630 A CN115844630 A CN 115844630A
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Abstract
The invention discloses an acoustoelectric stimulation auxiliary treatment device for relieving tinnitus, which comprises the following modules: the intelligent glasses are integrated with loudspeakers, and the loudspeakers are used for playing sound stimulation signals; the brain wave acquisition equipment is used for collecting brain electrical signals of the patient; the electrical stimulator is used for outputting an electrical stimulation signal; the host is used for receiving the electroencephalogram signals sent by the brain wave collecting equipment, sending sound stimulation signals to the intelligent glasses according to the electroencephalogram signals and sending electrical stimulation signals to the electrical stimulator. When the sound stimulation signal is provided, different audio signals can be received through the Bluetooth equipment to be played, so that the conflict emotion of a patient is reduced; the patient can continue reading, see activities such as shadow when wearing intelligent glasses, can not interrupted by the treatment process. The electric stimulator can flexibly select the electric stimulation part, observe and search the best position which can bring maximum relief of tinnitus symptoms, and adapt to more treatment scenes.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an acoustoelectric stimulation auxiliary treatment device for relieving tinnitus.
Background
At present, in the methods for treating tinnitus, except that tinnitus with a definite few causes can be treated by surgical or pharmaceutical methods, most of tinnitus is mainly treated by sound masking treatment, habitual treatment, compound sound treatment and the like, and the methods all use sound as a stimulation mode, utilize the auditory pathway of a user, and finally act on the auditory cortex to play a role in controlling tinnitus. Due to the complexity of tinnitus and the characteristic human-to-human adverse effects that characterize tinnitus, current methods of treatment with otoacoustic sounds are helpful to some patients with tinnitus, while for some patients with tinnitus, such as those who cause anxiety, depression, simple sound treatment and drug treatment do not improve symptoms.
Research shows that sound stimulation and electrical stimulation have certain effect on alleviating tinnitus symptoms, but the specific effect mechanism is still unclear. The existing sound stimulation equipment provides sound stimulation comprising pure sound, noise, twitter sound and the like, which easily causes the dislike emotion of a patient, and the electric stimulator has the problems of single use, unobvious stimulation effect and the like.
Disclosure of Invention
In view of the above, the present invention provides an acoustoelectric stimulation auxiliary treatment device for relieving tinnitus.
The invention provides intelligent glasses for relieving tinnitus based on acoustoelectric stimulation, which comprise the following modules:
the intelligent glasses are integrated with loudspeakers, and the loudspeakers are used for playing sound stimulation signals;
the brain wave acquisition device is used for collecting brain electrical signals of a patient;
an electrical stimulator for outputting an electrical stimulation signal;
the main machine is used for receiving the brain wave signals sent by the brain wave collecting equipment, sending sound stimulation signals to the intelligent glasses according to the brain wave signals and sending electrical stimulation signals to the electrical stimulator.
Furthermore, the intelligent glasses are integrated with the Bluetooth module, and the sound stimulation signals sent by the host are received through the Bluetooth module.
Further, an audio library is integrated in the host, and the sound stimulation signals are generated based on the audio signals stored in the audio library.
Further, the brain wave collecting device comprises an electrode cap and an electroencephalogram collector, and the brain wave collecting device collects electroencephalogram signals of the patient through the following steps:
the electrode cap is worn on the hindbrain of a patient and is connected with the electrode cap and the electroencephalogram collector;
receiving an electroencephalogram signal of a patient through an electroencephalogram collector;
and adjusting the impedance of the electrode in the electrode cap and the connection state of the electrode wire according to the received electroencephalogram signals of the patient.
Further, the electrode cap is filled with physiological saline.
Further, the electric stimulator comprises an electrode, and the electric stimulator outputs three different electric stimulation signals, namely a first electric stimulation signal, a second electric stimulation signal and a third electric stimulation signal according to three different pasting parts of the electrode;
when the electrodes are attached to the left temples and the right shoulders of the patient, the electric stimulator outputs a first electric stimulation signal;
when the electrode is attached to the left neck of the patient, the electric stimulator outputs a second electric stimulation signal;
the electrical stimulator outputs a third electrical stimulation signal when the electrode is attached to the tympanic membrane of the patient.
Further, the host is connected with a cloud server, and specific sound stimulation signals are determined by issuing an audio prescription through the cloud server.
Further, the host collects the received electroencephalogram signals and the sent sound stimulation signals and electrical stimulation signals, and outputs the collected signals to the cloud server in a log mode.
Further, the lens of the intelligent glasses can be detached.
The embodiment of the invention has the following beneficial effects: the sound-electricity stimulation auxiliary treatment equipment for relieving tinnitus provided by the invention can receive different audio signals through the Bluetooth equipment to play when providing sound stimulation signals, so that the conflict emotion of a patient is reduced; the patient can continue reading, see activities such as shadow when wearing intelligent glasses, can not interrupted by the treatment process. The electric stimulator can flexibly select the electric stimulation part, observe and search the best position which can bring maximum relief of tinnitus symptoms, and adapt to more treatment scenes.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a basic structure of an auxiliary acoustic-electric stimulation therapeutic apparatus for relieving tinnitus;
FIG. 2 is a schematic diagram of a brain wave acquisition device of an acoustic-electric stimulation auxiliary treatment device for relieving tinnitus;
FIG. 3 is a schematic diagram of smart glasses of an acoustoelectric stimulation auxiliary treatment device for relieving tinnitus of the present invention;
fig. 4 is a schematic diagram of an electrical stimulator of an acoustic-electrical stimulation assisted treatment device for tinnitus relief of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
This embodiment has introduced a sound electrical stimulation adjunctie therapy equipment for alleviating tinnitus, combines sound stimulation and electrical stimulation, plays the effect of alleviating tinnitus, and the main component is as shown in figure 1, includes following module:
the intelligent glasses are integrated with loudspeakers, and the loudspeakers are used for playing sound stimulation signals;
the brain wave acquisition device is used for collecting brain electrical signals of a patient;
an electrical stimulator for outputting an electrical stimulation signal;
the main machine is used for receiving the electroencephalogram signals sent by the brain wave collecting equipment, sending sound stimulation signals to the intelligent glasses according to the electroencephalogram signals and sending electrical stimulation signals to the electrical stimulator.
In this embodiment, the part of the host not shown further includes an audio library, a microprocessor, a bluetooth signal transceiver, a power supply module, and a memory. An operation terminal of the host computer is in communication interaction with the equipment host computer through a Bluetooth module, electroencephalogram (EEG) signals collected by the brain wave collecting equipment are processed by a microprocessor and then transmitted to the operation terminal through a Bluetooth signal transceiver, and the operation terminal displays the electroencephalogram signals output by the brain wave collecting equipment. The operation terminal can access the audio library through the communication interaction between the Bluetooth signal transceiver of the host and the microprocessor to generate a sound stimulation signal, and after the microprocessor outputs a control command, the Bluetooth module of the intelligent glasses is in communication interaction with the Bluetooth signal transceiver of the host to output the sound stimulation signal; the operation terminal can also control the electric stimulator, adjust output current intensity parameters according to the electrode pasting part and output electric stimulation signals. The power supply module of the host is used for supplying power.
In this embodiment, the brain wave collecting device is as shown in fig. 2, and includes an electrode cap and an electroencephalogram collector, and the brain wave collecting device collects electroencephalogram signals of a patient through the following steps: the electrode cap is worn on the hindbrain of a patient and is connected with the electrode cap and the electroencephalogram collector; receiving an electroencephalogram signal of a patient through an electroencephalogram collector; and adjusting the impedance of the electrode in the electrode cap and the connection state of the electrode wire according to the received electroencephalogram signals of the patient.
Common electroencephalogram signals can be roughly divided into delta frequency band (2-3.5 Hz), theta frequency band (4-7.5 Hz), alpha frequency band (8-12 Hz), beta frequency band (13-30 Hz) and gamma frequency band (more than 30 Hz). In tinnitus treatment related content, the frequency bands can be divided more finely. The alpha frequency band can be divided into alpha 1 (8-10 Hz) and alpha 2 (10-12 Hz), and the beta frequency band can be divided into three frequency bands of beta 1 (13-18 Hz), beta 2 (18.5-21 Hz) and beta 3 (21.5-30 Hz). Different brain electrical frequency bands indicate different mental states of the body. The brain wave acquisition equipment can acquire the change of the brain electrical signals of the patient caused by the sound and electricity stimulation. The brain wave acquisition equipment is used for treating in cooperation with the acoustoelectric stimulation method, so that the electroencephalogram signals of a patient before treatment, during treatment and after treatment can be compared, and the treatment effect can be displayed more objectively.
The electrode cap can be separated from the electroencephalogram collector in the embodiment, so that a patient can select the electrode cap suitable for the size of the head of the patient, and meanwhile, in order to increase the conducting effect, physiological saline can be injected into the electrode on the electrode cap, and the good contact between the electrode and the head of the patient is guaranteed.
In this embodiment, as shown in fig. 3, the smart glasses are installed on the bluetooth module and the speaker, the bluetooth module is used for receiving the sound stimulation signal sent by the host, the position of the speaker corresponds to the ear of the patient, the sound stimulation can be executed on the patient, and the lenses of the smart glasses can be detached. In the embodiment, the sound stimulation device is designed into a glasses shape, so that the mental requirements of a patient on reading newspapers, using electronic equipment and the like in the tinnitus treatment process are met; meanwhile, the sound stimulation signals are collected from the audio library of the host, and are not single sound signals any more, so that the experience of the patient in the tinnitus treatment process can be improved, and the conflict emotion of the patient is reduced.
In this embodiment, as shown in fig. 4, the electrical stimulator includes an electrode, and the electrical stimulator outputs three different electrical stimulation signals, namely, a first electrical stimulation signal, a second electrical stimulation signal, and a third electrical stimulation signal, according to three different attachment portions of the electrode. In fig. 3, CH1 represents the first electrical stimulation signal, CH2 represents the second electrical stimulation signal, and CHI + CH2 represents the third electrical stimulation signal.
In this embodiment, the first electrical stimulation signal is used to realize transcranial direct current stimulation (tDCS), and when the electrode is attached to the left temporal and right shoulder of the patient, the electrical stimulator outputs the first electrical stimulation signal. The first electric stimulation signal can be set to be 0-2 mA current, when the first electric stimulation signal is used for treatment, alpha 1 waves (with the frequency of 8-10 Hz) of the patient brain electrical signals in the anterior cingulum anterior cortex are remarkably increased, beta 3 waves (with the frequency of 21.5-30 Hz) and gamma waves (with the frequency of 30.5-44 Hz) in the right primary auditory cortex and the secondary somatosensory cortex are remarkably reduced, and the effectiveness of the first electric stimulation signal on tinnitus treatment is proved.
The second electrical stimulation signal in this embodiment is used to realize Vagus Nerve electrical stimulation (taVNS) when the electrode is attached to the left neck of the patient, the electrical stimulator outputs the second electrical stimulation signal; the second electrical stimulation signal may be 0.8mA. The second electrical stimulation signal can adjust a vagus nerve path, stimulate nerve endings to generate excitatory neurotransmitter and release the excitatory neurotransmitter, then act on a high-level center through a vagus nerve conduction path, adjust and control the state of vegetative nerve functional disturbance caused by tinnitus in a marginal nervous system, improve the emotion of a tinnitus patient, realize the purpose of tinnitus treatment, and further improve the emotion and the adverse psychological effect of the patient.
The third electrical stimulation signal is used to achieve electrical stimulation of the tympanic membrane, and the electrical stimulator outputs the third electrical stimulation signal when the electrode is attached to the tympanic membrane of the patient. The third stimulation signal may be set to 10-30 muA. The tympanic membrane electric stimulation is a non-destructive stimulation, a cochlear electrode is contacted with the tympanic membrane, and current is input after the ear plug is worn, so that the stimulation frequency is consistent with the tone of tinnitus during stimulation, and the tinnitus is suppressed.
In this embodiment, the host is further connected to the cloud server through wireless communication, and the cloud server can receive an audio prescription prescribed for a patient by medical staff and determine a specific sound stimulation signal. The host machine can also collect the received electroencephalogram signals and the sent sound stimulation signals and electrical stimulation signals, and output the signals to the cloud server in a log mode, so that the archiving of the treatment process is realized.
In alternative embodiments, the functions/acts noted in the block diagrams may occur out of the order noted in the operational illustrations. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality/acts involved. Furthermore, the embodiments presented and described in the flow charts of the present invention are provided by way of example in order to provide a more thorough understanding of the technology. The disclosed methods are not limited to the operations and logic flows presented herein. Alternative embodiments are contemplated in which the order of various operations is changed and in which sub-operations described as part of larger operations are performed independently.
Furthermore, although the present invention is described in the context of functional modules, it should be understood that, unless otherwise stated to the contrary, one or more of the described functions and/or features may be integrated in a single physical device and/or software module, or one or more functions and/or features may be implemented in a separate physical device or software module. It will also be appreciated that a detailed discussion of the actual implementation of each module is not necessary for an understanding of the present invention. Rather, the actual implementation of the various functional modules in the apparatus disclosed herein will be understood within the ordinary skill of an engineer, given the nature, function, and internal relationship of the modules. Accordingly, those skilled in the art can, using ordinary skill, practice the invention as set forth in the claims without undue experimentation. It is also to be understood that the specific concepts disclosed are merely illustrative of and not intended to limit the scope of the invention, which is defined by the appended claims and their full scope of equivalents.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. An acoustoelectric stimulation auxiliary treatment device for relieving tinnitus, characterized by comprising the following modules:
the intelligent glasses are integrated with loudspeakers, and the loudspeakers are used for playing sound stimulation signals;
the brain wave acquisition device is used for collecting brain electrical signals of a patient;
an electrical stimulator for outputting an electrical stimulation signal;
the main machine is used for receiving the electroencephalogram signals sent by the brain wave collecting equipment, sending sound stimulation signals to the intelligent glasses according to the electroencephalogram signals and sending electrical stimulation signals to the electrical stimulator.
2. The device for relieving tinnitus of claim 1 wherein the smart glasses incorporate a bluetooth module through which a sound stimulation signal sent by a host computer is received.
3. An acousto-electro stimulation assisted treatment device for the relief of tinnitus as claimed in claim 1 wherein the host incorporates an audio library and the sound stimulation signals are generated based on audio signals stored in the audio library.
4. The acoustic-electric stimulation auxiliary treatment device for alleviating tinnitus of claim 1 wherein the brain wave collecting device comprises an electrode cap and an electroencephalogram collector, the brain wave collecting device collecting an electroencephalogram signal of a patient by:
the electrode cap is worn on the hindbrain of a patient and is connected with the electrode cap and the electroencephalogram collector;
receiving an electroencephalogram signal of a patient through an electroencephalogram collector;
and adjusting the impedance of the electrode in the electrode cap and the connection state of the electrode wire according to the received electroencephalogram signals of the patient.
5. An acoustoelectric stimulation auxiliary treatment device for relieving tinnitus as recited in claim 4 wherein the electrode cap is filled with physiological saline.
6. The acoustic-electric stimulation auxiliary treatment device for relieving tinnitus of claim 1 wherein the electric stimulator includes an electrode, and the electric stimulator outputs three different electric stimulation signals of a first electric stimulation signal, a second electric stimulation signal and a third electric stimulation signal according to three different pasting parts of the electrode;
when the electrodes are attached to the left temples and the right shoulders of the patient, the electric stimulator outputs a first electric stimulation signal;
when the electrode is attached to the left neck of the patient, the electric stimulator outputs a second electric stimulation signal;
the electrical stimulator outputs a third electrical stimulation signal when the electrode is attached to the tympanic membrane of the patient.
7. An acousto-electric stimulation auxiliary treatment device for alleviating tinnitus according to any one of claims 1-6 characterized in that the host computer is connected with a cloud server, and the specific sound stimulation signal is determined by sending an audio prescription through the cloud server.
8. The device for assisting in the treatment of tinnitus as claimed in any one of claims 1 to 6 wherein said host computer summarizes the received brain electrical signals and the transmitted sound stimulation signals and electrical stimulation signals for output to a cloud server in log form.
9. An acoustoelectric stimulation auxiliary treatment device for relieving tinnitus as claimed in any one of claims 1-6 wherein the lenses of the smart glasses are detachable.
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| CN202211474165.3A CN115844630A (en) | 2022-11-23 | 2022-11-23 | A acoustoelectric stimulation auxiliary treatment equipment for alleviating tinnitus |
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| CN202211474165.3A CN115844630A (en) | 2022-11-23 | 2022-11-23 | A acoustoelectric stimulation auxiliary treatment equipment for alleviating tinnitus |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW519486B (en) * | 2001-02-05 | 2003-02-01 | Univ California | EEG feedback control in sound therapy for tinnitus |
| CN107206234A (en) * | 2014-07-24 | 2017-09-26 | 希纳普斯提姆有限公司 | For the apparatus and method for being delivered to bodily tissue will to be stimulated |
| CN109821151A (en) * | 2019-03-30 | 2019-05-31 | 刘业海 | A kind of multi-electrode electric pulse stimulation acupuncture point tinnitus therapeutic apparatus and its stimulation protocol based on Bluetooth communication control |
| CN111477299A (en) * | 2020-04-08 | 2020-07-31 | 广州艾博润医疗科技有限公司 | Method and device for regulating and controlling sound-electricity stimulation nerves by combining electroencephalogram detection and analysis control |
| CN114521149A (en) * | 2019-09-06 | 2022-05-20 | 丹参生物电子私人有限责任公司 | Method for operating an electrostimulation device with two or more stimulation energy supplies and stimulation device |
| CN217213370U (en) * | 2021-12-16 | 2022-08-16 | 深圳市必爱智能生命科技有限公司 | Intelligent glasses of transcranial electrical stimulation |
-
2022
- 2022-11-23 CN CN202211474165.3A patent/CN115844630A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW519486B (en) * | 2001-02-05 | 2003-02-01 | Univ California | EEG feedback control in sound therapy for tinnitus |
| CN107206234A (en) * | 2014-07-24 | 2017-09-26 | 希纳普斯提姆有限公司 | For the apparatus and method for being delivered to bodily tissue will to be stimulated |
| CN109821151A (en) * | 2019-03-30 | 2019-05-31 | 刘业海 | A kind of multi-electrode electric pulse stimulation acupuncture point tinnitus therapeutic apparatus and its stimulation protocol based on Bluetooth communication control |
| CN114521149A (en) * | 2019-09-06 | 2022-05-20 | 丹参生物电子私人有限责任公司 | Method for operating an electrostimulation device with two or more stimulation energy supplies and stimulation device |
| CN111477299A (en) * | 2020-04-08 | 2020-07-31 | 广州艾博润医疗科技有限公司 | Method and device for regulating and controlling sound-electricity stimulation nerves by combining electroencephalogram detection and analysis control |
| CN217213370U (en) * | 2021-12-16 | 2022-08-16 | 深圳市必爱智能生命科技有限公司 | Intelligent glasses of transcranial electrical stimulation |
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