CN217285819U - Device for processing brain electrical signals - Google Patents

Abstract

The application discloses equipment for processing brain electrical signal, this equipment includes: a nerve probe; the nerve signal collector comprises a collecting circuit, and the collecting circuit is connected with the nerve probe; the deep intracerebral stimulation DBS generator comprises an exciter and a stimulator which are connected with each other, the stimulator is arranged at the tail end of the nerve probe, and the exciter is connected with the top end of the nerve probe; and the external charging device is respectively connected with the nerve signal collector and the deep intracerebral stimulation DBS generator through transmission cables. This application plays the effect of merging signal acquisition and two kinds of functions of amazing nerve through setting up shared nerve probe, has avoided signal acquisition and amazing nerve to rely on the problem that different equipment was accomplished, has enlarged the range of application of the equipment of handling electroencephalogram signal, has improved the efficiency that reduces the equipment of handling electroencephalogram signal, has reduced the cost of handling electroencephalogram signal.

Description

Device for processing brain electrical signals

Technical Field

The application relates to the technical field of signal processing, in particular to equipment for processing electroencephalogram signals.

Background

Deep Brain Stimulation (DBS) devices are devices that implant electrodes into the brain of a patient, stimulate certain nerve nuclei deep in their brain using a pulse generator, correct abnormal large brain electrical circuits, and thereby alleviate symptoms in these nerves. The related deep intracerebral stimulation DBS equipment can only perform stimulation intervention on the brain and cannot acquire and transmit electroencephalogram signals.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, the present application provides an apparatus that integrates acquisition, transmission and intervention into the brain.

The application provides an equipment that handles brain electrical signal, this equipment includes: a nerve probe; the nerve signal collector comprises a collecting circuit, and the collecting circuit is connected with the nerve probe; the deep intracerebral stimulation DBS generator comprises an exciter and a stimulator which are connected with each other, wherein the stimulator is arranged at the tail end of the nerve probe, and the exciter is connected with the top end of the nerve probe so that the stimulation signal generated by the exciter controls the vibration of the nerve probe through the stimulator; and the external charging device is respectively connected with the nerve signal collector and the deep brain internal stimulation DBS generator through transmission cables so as to supply power to the nerve signal collector and the deep brain internal stimulation DBS generator.

Furthermore, the surface of the nerve probe is plated with a punctiform platinum layer.

Further, a photoetching silicon substrate for transmitting electric signals is arranged inside the nerve probe.

Furthermore, the external charging device comprises a biological electric energy collector, a power supply circuit and a battery, wherein the power supply circuit is respectively electrically connected with the biological electric energy collector and the battery.

Further, the biological electric energy collector comprises a biological electric energy circuit conversion circuit and a biological electric energy collecting probe array which are connected with each other.

Furthermore, the neural signal collector also comprises a first transmission circuit connected with the collecting circuit, so that the equipment for processing the electroencephalogram signal transmits data through the first transmission circuit.

Further, the deep intracerebral stimulation DBS generator further comprises a second transmission circuit connected with the exciter, so that the equipment for processing the electroencephalogram signals can transmit data through the second transmission circuit.

Furthermore, the equipment for processing the electroencephalogram signals also comprises a control device, and the control device is respectively connected with the neural signal collector, the deep intracerebral stimulation DBS generator and the external charging device.

Furthermore, the equipment for processing the electroencephalogram signals also comprises a shell, and the DBS generator is arranged on the shell through the signal collector and the deep intracerebral stimulation generator.

This application plays through setting up shared nerve probe, carries out the effect of merging signal acquisition and two kinds of functions of amazing nerve, has avoided signal acquisition and amazing nerve to rely on the problem that different equipment was accomplished, has enlarged the range of application of the equipment of handling electroencephalogram signal, has improved the efficiency that reduces the equipment of handling electroencephalogram signal, has reduced the cost of handling electroencephalogram signal.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a block diagram illustrating an embodiment of an apparatus for processing electroencephalogram signals provided by the present application;

fig. 2 is a schematic block diagram structure diagram of a neural signal collector in an apparatus for processing an electroencephalogram signal provided in the present application;

fig. 3 is a schematic block diagram of a deep intracerebral stimulation DBS generator in a device for processing electroencephalogram signals provided by the present application;

fig. 4 is a schematic block diagram illustrating an in-vitro charging device in an apparatus for processing electroencephalogram signals provided in the present application; and

fig. 5 is a block diagram and a schematic structural diagram of another embodiment of the device for processing electroencephalogram signals provided by the present application.

Detailed Description

Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.

In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present number, and larger, smaller, inner, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.

The application provides an equipment for processing brain electrical signals. As shown in fig. 1, the apparatus 100 for processing brain electrical signals comprises: a nerve probe 10, a nerve signal collector 20, a deep intracerebral stimulation DBS generator 30 and an extracorporeal charging device 40.

In the present example, two nerve probes are provided. When in use, the two nerve probes are generally distributed at corresponding positions of the left and right brains and can penetrate into the subcortical area of 1-15 mm and the tip area. Local nerve potential signals are collected by using a nerve probe, the access point of which is specifically the dural insulation zone. In some embodiments, a point-shaped platinum layer can be plated on the surface of the nerve probe so as to collect an electric signal through the point-shaped platinum layer and achieve the effects of improving the electric conductivity and the durability.

In some embodiments, a photoetching silicon substrate for transmitting an electric signal is arranged inside the nerve probe, and the photoetching silicon substrate provides a signal transmission basic channel for the local nerve potential signal acquired by the nerve probe, so that the local nerve potential signal can be rapidly transmitted to an acquisition circuit, the signal transmission timeliness effect is improved, and necessary preparation is provided for subsequent analysis of the local nerve potential signal.

Referring to fig. 2, the neural signal collector 20 includes a collecting circuit 201 connected to the neural probe 10. When the nerve signal collector 20 is used, the nerve signal collector 20 collects local nerve potential signals through the nerve probe 10 and transmits the local nerve potential signals to the collecting circuit 201, so that the aim of collecting electroencephalogram signals through the nerve signal collector is fulfilled. Specifically, the acquisition circuit included in the neural signal acquisition unit may be set as an integrated structure of a front end gain AFE and an MCU/GPU computing unit, where the front end gain AFE implements amplification and coding functions of an electrical signal and is integrated on a chip together with the MCU computing unit, and the MCU/GPU implements a front end computing function. In some embodiments, a first transmission circuit 202 (not shown in the drawings) connected to the acquisition circuit may be further added to the neural signal acquirer 20, so that the device provided by the present application performs data transmission through the first transmission circuit after acquiring the electroencephalogram signal. For example, the acquired electroencephalogram signals are sent to a cloud server.

Referring to fig. 3, the deep intracerebral stimulation DBS generator 30 includes an exciter 301 and a stimulator 302 connected to each other, the stimulator is installed at the end of the neuroscope 10, and the exciter 301 is connected to the tip of the neuroscope 10, so that the stimulation signal generated by the exciter 301 controls the vibration of the neuroscope 10 through the stimulator 302. When the nerve stimulation device is applied, the nerve probe can be inserted into a ventricle from the apical lobe, the deep intracerebral stimulation DBS generator generates a pulsating signal for stimulating nerves through the stimulator, the signal is sent to the stimulator, and the stimulator controls the nerve probe to complete the stimulation function of the nerves and play a role in pacing the nerves. In particular, the stimulator may be provided as a dual channel implantable stimulator. In some embodiments, a second transmission circuit (not shown in the figure) connected to the exciter may be further added to the deep intracerebral stimulation DBS generator, so that the device for processing the brain electrical signals performs data transmission through the second transmission circuit. For example, control information for neural pacing is referred to above as a cloud server.

In the embodiment of the present application, the first transmission circuit and the second transmission circuit are both transmission media for transmitting signals. Wherein, the medium that carries out the transmission to the signal can be for transmitting the cable, also can adopt wireless communication protocol communication chips such as wifi, bluetooth.

The external charging device 40 is connected to the neural signal collector 20 and the deep brain stimulation DBS generator 30 through transmission cables, respectively, to supply power to the neural signal collector and the deep brain stimulation DBS generator 30. Referring to fig. 4, in some embodiments, the extracorporeal charging apparatus 40 is provided as a biological power harvester 401, a power supply circuit 402 and a battery 403, the power supply circuit 402 being electrically connected to the biological power harvester 401 and the battery 403, respectively. In particular, the battery may be provided as a lithium battery, a secondary battery, even a flexible battery, or the like. More specifically, the bio-electric energy collector may be configured as a bio-electric energy circuit conversion circuit and a bio-electric energy collection probe array which are connected to each other. Wherein, the length of each probe in the bioelectricity energy collection probe array can be set to be 5 mm. Specifically, the bioelectrical energy collection probe array is generally distributed with tens of thousands of tiny potential collection fibers, and can collect weak potential changes brought by muscle electrical signals in a local area. In particular, the power supply circuit may further provide a charging interface to achieve the purpose of supplying power to the battery by using an external charging device.

As shown in fig. 5, in some embodiments, the apparatus 100 for processing electroencephalogram further includes a control device 50, which is connected to the neural signal collector 20, the deep intracerebral stimulation DBS generator 30, and the extracorporeal charging device 40, respectively. Specifically, the control device may be configured to have a data processing function such as a controller or a processor. For example, if the control device is provided as a controller, the control device controls the activation and deactivation of the nerve signal collector 20 and the deep intracerebral stimulation DBS generator 30 by operating the controller.

In some embodiments, the apparatus for processing brain electrical signals further comprises a housing (not shown), on which the neural signal harvester 20 and the deep intracerebral stimulation DBS generator 30 are mounted. In particular, the shape of the housing may be set according to business requirements. For example, the housing is provided in a helmet shape.

While the present invention has been described with reference to the preferred embodiments, 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 apparatus for processing brain electrical signals, comprising:

a nerve probe;

the nerve signal collector comprises a collecting circuit, and the collecting circuit is connected with the nerve probe;

a deep intracerebral stimulation (DBS) generator, wherein the deep intracerebral stimulation (DBS) generator comprises an exciter and a stimulator which are connected with each other, the stimulator is installed at the tail end of the nerve probe, and the exciter is connected with the top end of the nerve probe, so that the stimulation signals generated by the exciter control the vibration of the nerve probe through the stimulator;

and the external charging device is respectively connected with the nerve signal collector and the deep brain internal stimulation DBS generator through transmission cables so as to supply power to the nerve signal collector and the deep brain internal stimulation DBS generator.

2. The apparatus of claim 1, wherein the surface of the nerve probe is plated with a layer of dotted platinum.

3. The apparatus of claim 1, wherein a photo-etched silicon substrate for transmitting electrical signals is disposed inside the nerve probe.

4. The apparatus of claim 1, wherein the external charging device is a biological power collector, a power supply circuit and a battery, and the power supply circuit is electrically connected with the biological power collector and the battery respectively.

5. The apparatus of claim 4, wherein the bio-electric energy harvester comprises a bio-electric energy circuit conversion circuit and a bio-electric energy harvesting probe array connected to each other.

6. The apparatus of claim 1, wherein the neural signal collector further comprises a first transmission circuit connected to the collection circuit, so that the apparatus for processing the brain electrical signals transmits data through the first transmission circuit.

7. The device of claim 1, wherein said deep intracerebral stimulation (DBS) generator further comprises a second transmission circuit connected to said activator to enable said device for processing brain electrical signals to transmit data via said second transmission circuit.

8. The apparatus of claim 1, wherein the apparatus for processing electroencephalogram signals further comprises a control device, and the control device is connected to the neural signal collector, the deep intracerebral stimulation (DBS) generator, and the extracorporeal charging device, respectively.

9. The device of claim 1, wherein said device for processing brain electrical signals further comprises a housing, said transcutaneous signal collector and said deep intracerebral stimulation (DBS) generator being mounted on said housing.

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