CN205198725U - Supersound nerve stimulation equipment and system - Google Patents
Supersound nerve stimulation equipment and system Download PDFInfo
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- CN205198725U CN205198725U CN201520996080.0U CN201520996080U CN205198725U CN 205198725 U CN205198725 U CN 205198725U CN 201520996080 U CN201520996080 U CN 201520996080U CN 205198725 U CN205198725 U CN 205198725U
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Abstract
The utility model provides a supersound nerve stimulation equipment and system, this supersound nerve stimulation equipment includes: box, input device, digital signal processor, drive signal treatment circuit and impedance matching circuit, ultrasonic transducer, input device receives configuration parameter, digital signal processor produces data signal according to configuration parameter to an outlet the digital signal and a control signal, start operating condition when control signal is received to the drive signal treatment circuit or close operating condition to convert data signal to analog signal under operating condition, export analog signal to impedance matching circuit, impedance matching circuit provides the input impedance assorted impedance with the output impedance and the ultrasonic transducer of drive signal treatment circuit, ultrasonic transducer is from impedance matching circuit receiving analog signal and produce ultrasonic signal. The utility model discloses need not manual connection during the use, portable good, easy operation possesses advantages such as impedance match, low -power consumption moreover.
Description
Technical field
This utility model relates to animal nerve stimulating technology field, particularly, relates to a kind of ultrasonic nerve stimulation apparatus and system.
Background technology
Hyperacoustic mechanical wave mechanics effect controls the discovery of the new mechanism of electrical activity of neurons, becomes the new tool non-invasively carrying out nerve stimulation and Neuroscience Research.Recent neuroscientist finds that ultrasonic transient state stimulates and shows ultrasonicly can control neuronic activity in the neuromodulation experiment of molecule, animal and human's brain level.Ultrasonic nervus centralis generation excitement or the depression effect that can also be made stimulation location by parameters such as different intensity, frequency, pulse recurrence frequency, pulse width, persistent period.Thus function of nervous system is produced to the reversibility change of two-ways regulation.Noninvasive ultrasonic as a kind of new tool, to researchs such as the pathogeny of the regulatory mechanism of Neuroscience Research, neural circuitry, deep brain stimulation, disease of brain and Results, there is important value.
Utility model content
Ultrasonic neurostimulation methods traditional is at present the signal using signal generator to add power amplification instrument generation ultrasonic transducer, thus drive the stimulation of ultrasonic transducer output ultrasonic wave realization to animal nerve, the shortcoming of this method is to adopt several large instrument combination mode of separate type but not an independently instrument, take up room large, portability is poor, need manually to connect supporting cable, and easily introduce interference and noise.
In order to overcome above problem, this utility model embodiment provides a kind of ultrasonic nerve stimulation apparatus and system.
This utility model embodiment provides a kind of ultrasonic nerve stimulation apparatus, comprise: casing, be installed in the input equipment of described tank surface, be installed in the digital signal processor of described box house, pumping signal treatment circuit and impedance matching circuit, and be installed in the ultrasonic transducer of described casing outside;
Described input equipment receives configuration parameter and is transmitted to described digital signal processor;
Described digital signal processor produces digital signal according to described configuration parameter, and exports described digital signal and a control signal to described pumping signal treatment circuit;
Start duty when described pumping signal treatment circuit receives described control signal or close duty, and in working order under convert described digital signal to analogue signal, by described analog signal output to described impedance matching circuit;
Described impedance matching circuit provides the impedance matched with the output impedance of described pumping signal treatment circuit and the input impedance of described ultrasonic transducer;
Described ultrasonic transducer receives described analogue signal from described impedance matching circuit and produces ultrasonic signal.
This utility model also provides a kind of ultrasonic neural stimulation system, comprising: ultrasonic nerve stimulation apparatus as above, electro physiology collecting device, computer.
By means of technique scheme, this utility model provides a kind of ultrasonic nerve stimulation apparatus, the various components and parts carried out needed for ultrasonic nerve stimulation are integrated in one independently in casing by this equipment, without the need to manual connection during use, good portability, simple to operate, and possess the advantage such as impedance matching, low-power consumption, be applicable to carry out all kinds of neurobiology experimentation for Mus, nematicide, fruit bat, people etc.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structured flowchart of ultrasonic nerve stimulation apparatus in this utility model;
Fig. 2 is the connection diagram of each device of ultrasonic nerve stimulation apparatus in this utility model;
Fig. 3 is the structural representation of ultrasonic transducer in this utility model;
Fig. 4 is the schematic shapes of ultrasonic transducer in this utility model;
Fig. 5 is the waveform schematic diagram of the ultrasonic signal that in this utility model, ultrasonic nerve stimulation apparatus exports;
Fig. 6 is the circuit structure diagram of the pumping signal treatment circuit of embodiment one in this utility model;
Fig. 7 is the circuit structure diagram of the pumping signal treatment circuit of embodiment two in this utility model;
Fig. 8 is the circuit structure diagram of the pumping signal treatment circuit of embodiment three in this utility model;
Fig. 9 is the schematic diagram of ultrasonic neural stimulation system in this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, be clearly and completely described the technical scheme in this utility model embodiment, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
example devices
This utility model provides a kind of ultrasonic nerve stimulation apparatus, and as shown in Figure 1, this equipment comprises: casing 11, input equipment 12, digital signal processor 13, pumping signal treatment circuit 14, impedance matching circuit 15, ultrasonic transducer 16.
Wherein, input equipment 12 is installed in the surface of casing 11, and digital signal processor 13, pumping signal treatment circuit 14 and impedance matching circuit 15 are installed in the inside of casing 11, and ultrasonic transducer 16 is installed in the outside of casing 11.
As shown in Figure 2, input equipment 12, digital signal processor 13, pumping signal treatment circuit 14, impedance matching circuit 15, ultrasonic transducer 16 connect successively.
The operation principle of the ultrasonic nerve stimulation apparatus that this utility model provides is as follows: input equipment 12 receives configuration parameter and is transmitted to digital signal processor 13; Digital signal processor 13 produces digital signal according to configuration parameter, and exports digital signal and a control signal to pumping signal treatment circuit 14; During pumping signal treatment circuit 14 reception control signal start duty or close duty, and in working order under convert digital signal to analogue signal, by analog signal output to impedance matching circuit 15; Impedance matching circuit 15 provides the impedance matched with the input impedance of the output impedance of pumping signal treatment circuit 14 and ultrasonic transducer 16; Ultrasonic transducer 16 receives analogue signal from impedance matching circuit 15 and produces ultrasonic signal.
Concrete, the configuration parameter that input equipment 12 receives can be inputted by user or be inputted by external equipment, such as, when input equipment 12 be keyboard or touch screen time, user can input configuration parameter voluntarily, when input equipment 12 is data-interfaces, can by the external equipment input configuration parameter connecting this data-interface.Wherein configuration parameter such as can include but not limited to it is ultrasonic radiation force size, model of action, fundamental frequency, pulse recurrence frequency, pulse amplitude, umber of pulse, intensity, pulse duration, stimulus intervals etc.
Alternatively, input equipment 12 can be such as the device that keyboard, touch screen, data-interface etc. can be used for input information.
Alternatively, when input equipment 12 be keyboard or touch screen time, corresponding function button can be set in input equipment 12, so that user's input or the type of regulating allocation parameter and numerical value.Such as, a series of function button is set, when user triggers these function buttons, automatically the default value of various configuration parameter can be sent to digital signal processor 13.
In the application, the effect of control signal controls pumping signal treatment circuit 14 start duty or close duty, just can digital signal be converted to analogue signal because pumping signal treatment circuit 14 only has in working order, therefore, utilize control signal can reduce the system power dissipation of whole ultrasonic nerve stimulation apparatus, reduce heat and distribute.
Concrete, control signal can be have fixed frequency, amplitude and the high level signal in cycle or low level signal.Further, control signal can be generated by digital signal processor 13 self, also can be generated by external equipment then to transfer to this ultrasonic nerve stimulation apparatus, and be transferred to analogue signal processor by digital signal processor 13.
Alternatively, digital signal processor 13 can select on-site programmable gate array FPGA or chip microcontroller.
In the application, impedance matching circuit 15 provides suitable impedance, can improve the ability of the anti-interference and noise of whole ultrasonic nerve stimulation apparatus, the transmittability of Lifting Modules analog signal.
Alternatively, impedance matching circuit 15 can adopt the circuit structure of the forms such as inductance series connection coupling, inductance in parallel coupling, transformator coupling, multiple metal oxide semiconductor field effect tube MOSFET (i.e. metal-oxide-semiconductor) parallel connection.
Alternatively, ultrasonic transducer 16 can adopt physical arrangement as shown in Figure 3, comprises matching layer, piezoelectric ceramics, backing, shell and cable; Wherein, matching layer, piezoelectric ceramics, backing are arranged in shell, and cable connects piezoelectric ceramics through shell.
Alternatively, the shape of ultrasonic transducer 16 can adopt pin type, concave surface (focus type) or plane (plane) as shown in Figure 4.
Be illustrated in figure 5 the schematic diagram of the ultrasonic signal that this ultrasonic nerve stimulation apparatus finally exports, the attribute such as pulse amplitude Po, primitive period 1/fc, pulse period 1/PRF, first-harmonic number N of this ultrasonic signal can adjust by changing the configuration parameter inputing to input equipment 12.
Alternatively, digital signal processor 13 has the interface of one and external equipment synchronous signal transmission.Based on this interface, this ultrasonic nerve stimulation apparatus can realize working asynchronously with other external equipments (such as electro physiology collecting device), to realize synchronously carrying out of ultrasonic stimulation and Neural Signal Collecting.
Alternatively, a display can also be comprised in this ultrasonic nerve stimulation apparatus, linking number word signal processor 13, for showing configuration parameter.
Alternatively, a Switching Power Supply can also be comprised in this ultrasonic nerve stimulation apparatus, connect external power source, for alternating current is converted to unidirectional current, to provide unidirectional current to digital signal processor 13, pumping signal treatment circuit 14, impedance matching circuit 15, ultrasonic transducer 16.
Three kinds of embodiments that can be used as the pumping signal treatment circuit 14 in this ultrasonic nerve stimulation apparatus are provided below.
embodiment one
The present embodiment provides a kind of example arrangement of pumping signal treatment circuit 14, and as shown in Figure 6, this pumping signal treatment circuit 14 comprises: analog signal generator 61 and power amplification circuit 62.
Analog signal generator 61 linking number word signal processor 13, receives digital signal and converts thereof into intermediate analog signal, and intermediate analog signal is exported to power amplification circuit 62.
Power amplification circuit 62 comprises electric pressure converter 621 and power amplifier 622.
Wherein, the input Vin linking number word signal processor 13 of electric pressure converter 621, reception control signal, output end vo ut connects power amplifier 622; Electric pressure converter 621 is opened or is turned off under the triggering of residing control signal, in the on-state a low voltage transition is become a bias voltage, and bias voltage is exported to power amplifier 622; Power amplifier 622 has first input end in-1, the second input in-2, the 3rd input in-3 and outfan out; First input end in-1 connecting analog signal generator 61, receives intermediate analog signal; Second input in-2 connects electric pressure converter 621, receives bias voltage; 3rd input in-3 connects a high voltage; Power amplifier 622 is opened when receiving bias voltage, carries out power amplification obtain analogue signal to intermediate analog signal; Outfan out connects ultrasonic transducer 16, outputting analog signal.
In the present embodiment, analog signal generator 61 can be digital analog converter DAC, or Direct Digital Synthesizer DDS, or Arbitrary Waveform Generator.
embodiment two
The present embodiment provides the example arrangement of another kind of pumping signal treatment circuit 14, and as shown in Figure 7, this pumping signal treatment circuit 14 comprises: metal-oxide-semiconductor driver 71, metal-oxide-semiconductor 72, transformator 73.
The input linking number word signal processor 13 of metal-oxide-semiconductor driver 71, outfan connects metal-oxide-semiconductor 72, reception control signal and digital signal, promotes the voltage of control signal and digital signal with driven MOS pipe 72; The input of metal-oxide-semiconductor 72 connects metal-oxide-semiconductor driver 71, and outfan connection transformer 73, opens or turn off under the triggering of control signal, carries out power amplification in the on-state to digital signal, then exports transformator 73 to; An input of transformator 73 connects metal-oxide-semiconductor 72, and another input connects a high voltage, and outfan connects impedance matching circuit 15, digital signal is converted to the analogue signal of sine wave, then outputting analog signal.
In the present embodiment, digital signal processor 13 be alternately by control signal and digital data transmission to metal-oxide-semiconductor 72.Such as first send the control signal of high level, open, and then send digital signal to trigger metal-oxide-semiconductor 73, metal-oxide-semiconductor 73 pairs of digital signals carry out power amplification, and so forth; Or first send digital signal, metal-oxide-semiconductor 73 pairs of digital signals carry out power amplification, and then send low level control signal, to make metal-oxide-semiconductor 73 turn off, and so forth.
In this utility model, if the circuit structure that pumping signal treatment circuit 14 adopts the present embodiment to provide, then accordingly, impedance matching circuit 15 should adopt the circuit structure by forms such as multiple metal-oxide-semiconductor parallel connections, to provide impedance matching function.
embodiment three
The present embodiment provides the example arrangement of another pumping signal treatment circuit 14, and as shown in Figure 8, this pumping signal treatment circuit 14 comprises: modulating signal delay circuit 81, metal-oxide-semiconductor driver 82, half-bridge circuit 83, transformator 84, resonant matching circuit 85.
The input linking number word signal processor 13 of modulating signal delay circuit 81, two outfans connect two inputs of metal-oxide-semiconductor driver 82 respectively, reception control signal and digital signal, and two inputs control signal and digital signal being exported respectively to metal-oxide-semiconductor driver 82;
Two outfans of metal-oxide-semiconductor driver 82 connect two metal-oxide-semiconductors (MOS1 and MOS2) in half-bridge circuit 83 respectively, promote the voltage of control signal and digital signal, then control signal and digital signal are exported respectively to two metal-oxide-semiconductors (MOS1 and MOS2) in half-bridge circuit 83;
The outfan connection transformer 84 of half-bridge circuit 83, two metal-oxide-semiconductors in half-bridge circuit 83 are opened or turn off under the triggering of control signal, carry out power amplification in the on-state, then export transformator 84 to digital signal;
The outfan of transformator 84 connects resonant matching circuit 85, converts digital signal to analogue signal, then output valve resonant matching circuit 85;
The outfan of resonant matching circuit 85 connects impedance matching circuit 15, outputting analog signal.
In the present embodiment, the digital signal that digital signal processor 13 exports and control signal become two-way square-wave output signal through modulating signal delay circuit 81, promote in order to control the conducting state of two metal-oxide-semiconductors of half-bridge circuit 83 below after driving force through metal-oxide-semiconductor driver 82, then convert sinusoidal wave analogue signal to through transformator 84 and resonant matching circuit 85.
In half-bridge circuit 83, when upper pipe MOS1 opens, lower pipe MOS2 turns off, transformator 84 obtains the high voltage of 1/2nd, energy is from former limit to secondary transmission; Upper pipe MOS1 turns off, and when lower pipe MOS2 opens, transformator 84 also obtains the high voltage of 1/2nd, energy is from former limit to secondary transmission, and the sense of current is reverse.
Compared to the circuit structure of embodiment two, although the present embodiment designs more complex, two metal-oxide-semiconductors in half-bridge circuit 83 can be used alternatingly, extend the service life of metal-oxide-semiconductor.
In this utility model, if the circuit structure that pumping signal treatment circuit 14 adopts the present embodiment to provide, then accordingly, impedance matching circuit 15 should adopt the circuit structure by forms such as multiple metal-oxide-semiconductor parallel connections, to provide impedance matching function.
example system
This utility model also provides a kind of ultrasonic neural stimulation system, and as shown in Figure 9, this system comprises: the ultrasonic nerve stimulation apparatus 100 in aforementioned exemplary equipment, and electro physiology collecting device 200, computer 300.
Concrete, electro physiology collecting device 200 can work asynchronously with ultrasonic nerve stimulation apparatus 100, for gathering in animal nerve stimulation test, and the electroneurographic signal (such as gathering electrocardio ripple, brain wave etc.) that animal produces; Computer 300 is analyzed for the electroneurographic signal collected electro physiology collecting device 200.
During concrete enforcement, this ultrasonic neural stimulation system can also comprise video camera 400 (being such as high-speed camera), for taking the behavior reaction of animal in animal nerve stimulation test.
To sum up, this utility model provides a kind of ultrasonic nerve stimulation apparatus, input equipment, digital signal processor, pumping signal treatment circuit, impedance matching circuit, ultrasonic transducer etc. are integrated in one independently in casing by this equipment, without the need to manual connection during use, good portability, simple to operate, and possess the advantage such as impedance matching, low-power consumption, be applicable to carry out all kinds of neurobiology experimentation for Mus, nematicide, fruit bat, people etc.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Those skilled in the art can also recognize the various illustrative components, blocks (illustrativelogicalblock) that this utility model embodiment is listed, unit, electronic hardware, computer software can be passed through with step, or both combinations realize.For the replaceability (interchangeability) of clear displaying hardware and software, above-mentioned various illustrative components (illustrativecomponents), unit and step have universally described their function.Such function is the designing requirement realizing depending on specific application and whole system by hardware or software.Those skilled in the art for often kind of specifically application, can use the function described in the realization of various method, but this realization can should not be understood to the scope exceeding the protection of this utility model embodiment.
Various illustrative logical block described in this utility model embodiment, or unit, or device can pass through general processor, digital signal processor, special IC (ASIC), field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the design of above-mentioned any combination realizes or operates described function.General processor can be microprocessor, and alternatively, this general processor also can be any traditional processor, controller, microcontroller or state machine.Processor also can be realized by the combination of accountant, such as digital signal processor and microprocessor, multi-microprocessor, and a Digital Signal Processor Core combined by one or more microprocessor, or other similar configuration any realizes.
The software module that method described in this utility model embodiment or the step of algorithm directly can embed hardware, processor performs or the combination of both.Software module can be stored in the storage medium of other arbitrary form in RAM memorizer, flash memory, ROM memorizer, eprom memory, eeprom memory, depositor, hard disk, moveable magnetic disc, CD-ROM or this area.Exemplarily, storage medium can be connected with processor, with make processor can from storage medium reading information, and write information can be deposited to storage medium.Alternatively, storage medium can also be integrated in processor.Processor and storage medium can be arranged in ASIC, and ASIC can be arranged in user terminal.Alternatively, processor and storage medium also can be arranged in the different parts in user terminal.
In one or more exemplary design, the above-mentioned functions described by this utility model embodiment can realize in the combination in any of hardware, software, firmware or this three.If realized in software, these functions can store on the medium with computer-readable, or are transmitted on the medium of computer-readable with one or more instruction or code form.Computer readable medium comprises computer storage medium and is convenient to make to allow computer program transfer to the telecommunication media in other place from a place.Storage medium can be that any general or special computer can the useable medium of access.Such as, such computer readable media can include but not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage device, or other anyly may be used for carrying or store the medium that can be read the program code of form with instruction or data structure and other by general or special computer or general or special processor.In addition, any connection can be properly termed computer readable medium, such as, if software is by a coaxial cable, fiber optic cables, twisted-pair feeder, Digital Subscriber Line (DSL) or being also comprised in defined computer readable medium with wireless way for transmittings such as such as infrared, wireless and microwaves from a web-site, server or other remote resource.Described video disc (disk) and disk (disc) comprise Zip disk, radium-shine dish, CD, DVD, floppy disk and Blu-ray Disc, and disk is usually with magnetic duplication data, and video disc carries out optical reproduction data with laser usually.Above-mentioned combination also can be included in computer readable medium.
Claims (10)
1. a ultrasonic nerve stimulation apparatus, it is characterized in that, comprising: casing, be installed in the input equipment of described tank surface, be installed in the digital signal processor of described box house, pumping signal treatment circuit and impedance matching circuit, and be installed in the ultrasonic transducer of described casing outside;
Described input equipment receives configuration parameter and is transmitted to described digital signal processor;
Described digital signal processor produces digital signal according to described configuration parameter, and exports described digital signal and a control signal to described pumping signal treatment circuit;
Start duty when described pumping signal treatment circuit receives described control signal or close duty, and in working order under convert described digital signal to analogue signal, by described analog signal output to described impedance matching circuit;
Described impedance matching circuit provides the impedance matched with the output impedance of described pumping signal treatment circuit and the input impedance of described ultrasonic transducer;
Described ultrasonic transducer receives described analogue signal from described impedance matching circuit and produces ultrasonic signal.
2. ultrasonic nerve stimulation apparatus according to claim 1, is characterized in that, described pumping signal treatment circuit comprises: analog signal generator, power amplification circuit;
Described analog signal generator connects described digital signal processor, receives described digital signal and converts thereof into intermediate analog signal, and described intermediate analog signal is exported to described power amplification circuit;
Described power amplification circuit comprises: electric pressure converter, power amplifier;
The input of described electric pressure converter connects described digital signal processor, receives described control signal, and outfan connects described power amplifier; Described electric pressure converter is opened or is turned off under the triggering of residing control signal, in the on-state a low voltage transition is become a bias voltage, and described bias voltage is exported to described power amplifier;
Described power amplifier has first input end, the second input, the 3rd input and outfan; Described first input end connects described analog signal generator, receives described intermediate analog signal; Described second input connects described electric pressure converter, receives described bias voltage; Described 3rd input connects a high voltage; Described power amplifier is opened when receiving described bias voltage, carries out power amplification obtain analogue signal to described intermediate analog signal; Described outfan connects described ultrasonic transducer, exports described analogue signal.
3. ultrasonic nerve stimulation apparatus according to claim 2, is characterized in that, described analog signal generator is digital analog converter DAC, or Direct Digital Synthesizer DDS, or Arbitrary Waveform Generator.
4. ultrasonic nerve stimulation apparatus according to claim 1, is characterized in that, described pumping signal treatment circuit comprises: metal-oxide-semiconductor driver, metal-oxide-semiconductor, transformator;
The input of described metal-oxide-semiconductor driver connects described digital signal processor, and outfan connects described metal-oxide-semiconductor, receives described control signal and described digital signal, promotes the voltage of described control signal and described digital signal to drive described metal-oxide-semiconductor;
The input of described metal-oxide-semiconductor connects described metal-oxide-semiconductor driver, and outfan connects described transformator, opens or turn off under the triggering of described control signal, carries out power amplification in the on-state to described digital signal, then exports described transformator to;
An input of described transformator connects described metal-oxide-semiconductor, and another input connects a high voltage, and outfan connects described impedance matching circuit, converts described digital signal to analogue signal, then exports described analogue signal.
5. ultrasonic nerve stimulation apparatus according to claim 1, is characterized in that, described pumping signal treatment circuit comprises: modulating signal delay circuit, metal-oxide-semiconductor driver, half-bridge circuit, transformator, resonant matching circuit;
The input of described modulating signal delay circuit connects described digital signal processor, two outfans connect two inputs of described metal-oxide-semiconductor driver respectively, receive described control signal and described digital signal, and export described control signal and described digital signal two inputs of described metal-oxide-semiconductor driver to respectively;
Two outfans of described metal-oxide-semiconductor driver connect two metal-oxide-semiconductors in described half-bridge circuit respectively, promote the voltage of described control signal and described digital signal, then described control signal and described digital signal are exported respectively to two metal-oxide-semiconductors in described half-bridge circuit;
The outfan of described half-bridge circuit connects described transformator, and two metal-oxide-semiconductors in described half-bridge circuit are opened or turn off under the triggering of described control signal, carry out power amplification in the on-state, then export described transformator to described digital signal;
The outfan of described transformator connects described resonant matching circuit, converts described digital signal to analogue signal, then resonant matching circuit described in output valve;
The outfan of described resonant matching circuit connects described impedance matching circuit, exports described analogue signal.
6. ultrasonic nerve stimulation apparatus according to claim 1, is characterized in that, described digital signal processor has the interface of one and external equipment synchronous signal transmission.
7. ultrasonic nerve stimulation apparatus according to claim 1, is characterized in that, described ultrasonic transducer comprises: matching layer, piezoelectric ceramics, backing, shell and cable; Wherein, described matching layer, described piezoelectric ceramics, described backing are arranged in described shell, and described cable connects described piezoelectric ceramics through described shell.
8. ultrasonic nerve stimulation apparatus according to claim 1, is characterized in that, also comprise: display, and shown display is connected with described digital signal processor.
9. a ultrasonic neural stimulation system, is characterized in that, comprising: the ultrasonic nerve stimulation apparatus as described in as arbitrary in claim 1 ~ 8, electro physiology collecting device, computer.
10. ultrasonic neural stimulation system according to claim 9, is characterized in that, also comprise: video camera.
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| CN201520996080.0U CN205198725U (en) | 2015-12-03 | 2015-12-03 | Supersound nerve stimulation equipment and system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018045482A1 (en) * | 2016-09-06 | 2018-03-15 | 深圳先进技术研究院 | Ultrasonic nerve regulation system |
| CN109883494A (en) * | 2019-04-03 | 2019-06-14 | 淄博宇声计量科技有限公司 | A kind of digital signal modulated of ultrasonic transducer and driving circuit and its working method |
| CN110384861A (en) * | 2018-04-16 | 2019-10-29 | 香港理工大学 | Injection type PZT (piezoelectric transducer), injection device, neural stimulation system and method |
| CN110548233A (en) * | 2019-09-30 | 2019-12-10 | 上海交通大学 | Portable double-channel transcranial ultrasonic stimulation device for nerve regulation |
| WO2021026873A1 (en) * | 2019-08-15 | 2021-02-18 | 深圳先进技术研究院 | Ultrasonic treatment device and method, and data processing device |
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2015
- 2015-12-03 CN CN201520996080.0U patent/CN205198725U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018045482A1 (en) * | 2016-09-06 | 2018-03-15 | 深圳先进技术研究院 | Ultrasonic nerve regulation system |
| CN110384861A (en) * | 2018-04-16 | 2019-10-29 | 香港理工大学 | Injection type PZT (piezoelectric transducer), injection device, neural stimulation system and method |
| CN110384861B (en) * | 2018-04-16 | 2024-03-08 | 香港理工大学 | Injectable piezoelectric transducer, injection device, nerve stimulation system and method |
| CN109883494A (en) * | 2019-04-03 | 2019-06-14 | 淄博宇声计量科技有限公司 | A kind of digital signal modulated of ultrasonic transducer and driving circuit and its working method |
| CN109883494B (en) * | 2019-04-03 | 2024-02-02 | 淄博宇声计量科技有限公司 | Digital signal modulation and driving circuit of ultrasonic transducer and working method thereof |
| WO2021026873A1 (en) * | 2019-08-15 | 2021-02-18 | 深圳先进技术研究院 | Ultrasonic treatment device and method, and data processing device |
| CN110548233A (en) * | 2019-09-30 | 2019-12-10 | 上海交通大学 | Portable double-channel transcranial ultrasonic stimulation device for nerve regulation |
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Effective date of registration: 20190329 Address after: 518067 Nanshan Medical Devices Industrial Park A411-2, 1019 Nanhai Avenue, Shekou Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Zhongke Green Valley (Shenzhen) Medical Technology Co., Ltd. Address before: 518055 No. 1068, Xue Yuan Avenue, Xili University Town, Nanshan District, Shenzhen, Guangdong Patentee before: Shenzhen Advanced Technology Research Inst. |
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