CN103876781A - Ultrasound transcranial Doppler blood flow detector and control method thereof - Google Patents
Ultrasound transcranial Doppler blood flow detector and control method thereof Download PDFInfo
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- CN103876781A CN103876781A CN201410147117.2A CN201410147117A CN103876781A CN 103876781 A CN103876781 A CN 103876781A CN 201410147117 A CN201410147117 A CN 201410147117A CN 103876781 A CN103876781 A CN 103876781A
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Abstract
The invention discloses an ultrasound transcranial Doppler blood flow detector and a control method thereof. The ultrasound transcranial Doppler blood flow detector comprises a case, a power source circuit and a plurality of ultrasonic probes. The detector comprises a tablet personal computer used for inputting information and displaying the detection information, and a detection circuit board, wherein the detection circuit board comprises a Doppler channel module, a Doppler control module, an A/D conversion module and an erasable and editable logic device, the output end of the Doppler channel module is connected with the input end of the Doppler control module, the output end of the Doppler control module is connected with the input end of the A/D conversion module, the output end of the A/D conversion module is connected with the input end of the erasable and editable logic device, and the output end of the erasable and editable logic device is connected with the input end of the Doppler control module. The detection circuit board is used for receiving Doppler signals and outputting the detection information to the tablet personal computer. The tablet personal computer and the detection circuit board are connected through a connector. The detector is easy to produce, low in open source cost of an operation system, small in size and convenient to move and carry.
Description
Technical field
The present invention relates to a kind of blood flow detection instrument and control method thereof, relate in particular to a kind of ultrasonic transcranial doppler blood flow detection instrument and control method thereof.
Background technology
Ultrasonic transcranial doppler blood flow analysis instrument is to utilize ultrasonic Doppler effect to detect the non-invasive cerebrovascular detection method of basis cranii major arteries hemodynamics and physiological parameter thereof through skull weakness, be utilize on ultrasonic Doppler effect basis, grow up computer technology is applied to clinical medical cerebral blood flow detection technique.TCD (transcranial Doppler, transcranial Doppler sonography) MRI (Magnetic Resonance Imaging is provided, nuclear magnetic resonance), the hemodynamic parameter that do not detect of the image technology such as DSA (Digital subtraction angiography, digital subtraction angiography).One of the developing direction of TCD is the research of the depth and broadness of TCD instrument application, and another direction is the research of cerebrovascular detection method and detecting instrument, as M mould TCD, three-dimensional TCD etc.
Conventional TCD has car-type and portable two large classes at present.Car-type, because its volume is large, be contained on special trolley for hospital use, and this complete TCD is placed in the sensing chamber of medical institutions' specialty conventionally.The portable TCD that is similar to bedside monitor making with special die sinking of portable useful notebook repacking, these two kinds of changes that portable TCD is only version, be still by the INTEL X86 computer board of TCD testing circuit and operation WIMDOWS operating system and form, power consumption is low not, volume is not little, doctor is unfavorable for when doctor makes a round of visits carrying, when particularly will be with plurality of devices.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of ultrasonic transcranial doppler blood flow detection instrument and control method thereof, it is produced, and simple, operating system increases income that cost is low, volume small and exquisite be convenient to move with carry, easy to operate, available battery long period powered operation.
The present invention solves the problems of the technologies described above the technical scheme adopting to be to provide a kind of ultrasonic transcranial doppler blood flow detection instrument, comprises housing, power circuit and multiple ultrasonic probe, panel computer, and it is for input message and show detection information, testing circuit plate, comprise Doppler's channel module, Doppler's control module, A/D modular converter and erasable Programmadle logic device, the input of the outfan of Doppler's channel module and Doppler's control module is electrically connected, the input of the outfan of Doppler's control module and A/D modular converter is electrically connected, the input of the outfan of A/D modular converter and erasable Programmadle logic device is electrically connected, the input of the outfan of erasable Programmadle logic device and Doppler's control module is electrically connected, described testing circuit plate is used for receiving Doppler signal extremely described panel computer of output detections information, described panel computer is connected by adapter with testing circuit plate.
Further, described adapter is USB connector.
Further, described panel computer comprises master cpu, and described master cpu is low power processor, described panel computer operation Android operating system.
Further, described panel computer comprises internal storage, and described internal storage is used for storing case-data and diagnostic message.
Further, described panel computer comprises bluetooth module, and described bluetooth module is for detection of the output of information.
Further, also comprise testing circuit board mount.
Further, described erasable Programmadle logic device is EPL570.
The present invention is the control method that solves the problems of the technologies described above another technical scheme adopting and be to provide a kind of above-mentioned ultrasonic transcranial doppler blood flow detection instrument, comprises the following steps: start detection circuit board; The ultrasonic probe being connected with testing circuit plate by panel computer control produces ultrasound emission pumping signal; Ultrasonic probe contact human body, obtains small-signal; Described signal is sent to testing circuit plate and amplifies, reconcile and sample, convert through A/D; The signal of above-mentioned processing is delivered to panel computer display process result by USB interface.
Further, the signal of described processing is delivered to panel computer display process result by bluetooth module.
Further, described result comprises spectral image and/or data.
The present invention contrasts prior art following beneficial effect: ultrasonic transcranial doppler blood flow detection instrument provided by the invention and control method thereof, comprise panel computer and testing circuit plate, panel computer is connected by adapter with testing circuit plate, and its compact conformation is convenient to move and carries; Produce simply, cost is low; Integrated design, on line is few, and reliability is high; Low in energy consumption, battery backed longevity of service.
Accompanying drawing explanation
Fig. 1 is ultrasonic transcranial doppler blood flow detection instrument basic composition block diagram of the present invention;
Fig. 2 is ultrasonic transcranial doppler blood flow detection instrument critical piece installation diagram of the present invention;
Fig. 3 is the overall schematic that ultrasonic transcranial doppler blood flow detection instrument of the present invention closes after cover plate;
Fig. 4 is ultrasonic transcranial doppler blood flow detection instrument probe wiring diagram of the present invention;
Fig. 5 is ultrasonic transcranial doppler blood flow detection instrument host power supply wiring diagram of the present invention.
In figure:
1 testing circuit plate 2 panel computer 3 power circuits
11 Doppler's channel module 12 Doppler's control module 13A/D modular converters
14 erasable Programmadle logic device 15 ultrasonic probe 16 power adapters
17 main frame 18 support 19USB keysets
20 host switch 21 host switch power supplys
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is ultrasonic transcranial doppler blood flow detection instrument basic composition block diagram of the present invention.Please participate in Fig. 1, ultrasonic transcranial doppler blood flow detection instrument provided by the invention, comprises housing, power circuit 3 and multiple ultrasonic probe, panel computer 2, and it is for input message and show detection information, testing circuit plate 1, comprise Doppler's channel module 11, Doppler's control module 12, A/D modular converter 13 and erasable Programmadle logic device 14, the input of the outfan of Doppler's channel module 11 and Doppler's control module 12 is electrically connected, the input of the outfan of Doppler's control module 12 and A/D modular converter 13 is electrically connected, the input of the outfan of A/D modular converter 13 and erasable Programmadle logic device 14 is electrically connected, the input of the outfan of erasable Programmadle logic device 14 and Doppler's control module 12 is electrically connected, described testing circuit plate 1 is for receiving Doppler signal output detections information to described panel computer 2, described panel computer 2 is connected by adapter with testing circuit plate 1.Described adapter is USB connector.Panel computer 2 moves Android operating system, preferably, can be Android4.2.Panel computer 2 also comprises master cpu, and described master cpu is low power processor, preferably, can be ARM11, and when the low-power consumption characteristic of ARM11 has extended battery powered, detector can detection time.Panel computer 2 also comprises internal storage, and described internal storage is used for storing case-data and diagnostic message.Preferably, panel computer 2 also comprises bluetooth module, and bluetooth module is for detection of the wireless output of for example diagnostic message of information.Erasable Programmadle logic device 14 is preferably EPL570, uses the EPLD EPL570 of extensive low-power consumption, has reduced circuit volume.
Signal detection relates generally to Ultrasonic characteristics, Doppler effect, fast Fourier transform and Pulsed-Wave Doppler.Ultrasound wave is ultrasonic beam meeting generating unit sub reflector in the time running into different media surface, and receiving transducer can receive scattered wave in any angle.Ultrasound wave produces scattering after running into the erythrocyte in blood flow, and the scattered wave reflecting is the key component of doppler shifted signal.
According to following Doppler shift formula:
Obtain the big or small direction of frequency displacement Δ f, can try to achieve the speed V of blood flow, and the power of root signal calculates the integral power mathematic(al) parameter of blood flow in blood vessel.
In above formula: θ is the angle of ultrasonic beam axis and the blood flow direction of motion, V is blood flow rate, and C is ultrasonic velocity, and f is ultrasound emission frequency.
Fig. 2 is ultrasonic transcranial doppler blood flow detection instrument critical piece installation diagram of the present invention; Fig. 3 is the overall schematic that ultrasonic transcranial doppler blood flow detection instrument of the present invention closes after cover plate; Fig. 4 is ultrasonic transcranial doppler blood flow detection instrument probe wiring diagram of the present invention; Fig. 5 is ultrasonic transcranial doppler blood flow detection instrument host power supply wiring diagram of the present invention.
Please refer to Fig. 2 to Fig. 5, as Fig. 2, open cover plate, successively USB keyset 19, host switch 20, host switch power supply 21, testing circuit plate 1 are loaded onto, connect cable.As Fig. 3, after circuit board is fixing, will be with dull and stereotyped electricity, 2 cover plate closes, for easy to operate, can also be on main frame 17 mounting bracket 18.As Fig. 4, ultrasonic probe is connected, and can be to connect two PW (Pulse Wave, pulse Doppler) 2M probe, a CW (Continuous Wave, continuous-wave doppler) 4M pops one's head in, a CW (Continuous Wave, continuous-wave doppler) 8M probe.As Fig. 5, power adapter 16 is connected, complete the assembling of ultrasonic transcranial doppler blood flow detection instrument.
The present invention solves the problems of the technologies described above another embodiment adopting to be to provide a kind of method that uses ultrasonic transcranial doppler blood flow detection instrument, comprises the following steps: start detection circuit board; The ultrasonic probe being connected with testing circuit plate by panel computer control produces ultrasound emission pumping signal; Ultrasonic probe contact human body, obtains small-signal; Described signal is sent to testing circuit plate and amplifies, reconcile and sample, convert through A/D; The signal of above-mentioned processing is delivered to panel computer display process result by USB interface.The signal of described processing is delivered to panel computer 2 display process results by bluetooth module.Described result comprises spectral image and/or data.
To sum up, ultrasonic transcranial doppler blood flow detection instrument provided by the invention and control method thereof, comprise panel computer and testing circuit plate, and panel computer is connected by adapter with testing circuit plate, and its compact conformation is convenient to move and carries; Produce simply, cost is low; Integrated design, on line is few, and reliability is high; Low in energy consumption, battery backed longevity of service.
Although the present invention discloses as above with preferred embodiment; so it is not in order to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little modification and perfect, therefore protection scope of the present invention is worked as with being as the criterion that claims were defined.
Claims (10)
1. a ultrasonic transcranial doppler blood flow detection instrument, comprises housing, power circuit and multiple ultrasonic probe, it is characterized in that, also comprises:
Panel computer, it is for input message and show detection information;
Testing circuit plate, comprise Doppler's channel module, Doppler's control module, A/D modular converter and erasable Programmadle logic device, the input of the outfan of Doppler's channel module and Doppler's control module is electrically connected, the input of the outfan of Doppler's control module and A/D modular converter is electrically connected, the input of the outfan of A/D modular converter and erasable Programmadle logic device is electrically connected, the input of the outfan of erasable Programmadle logic device and Doppler's control module is electrically connected, described testing circuit plate is used for receiving Doppler signal extremely described panel computer of output detections information,
Described panel computer is connected by adapter with testing circuit plate.
2. ultrasonic transcranial doppler blood flow detection instrument as claimed in claim 1, is characterized in that, described adapter is USB connector.
3. ultrasonic transcranial doppler blood flow detection instrument as claimed in claim 1, is characterized in that, described panel computer comprises master cpu, and described master cpu is low power processor, described panel computer operation Android operating system.
4. ultrasonic transcranial doppler blood flow detection instrument as claimed in claim 1, is characterized in that, described panel computer comprises internal storage, and described internal storage is used for storing case-data and diagnostic message.
5. ultrasonic transcranial doppler blood flow detection instrument as claimed in claim 1, is characterized in that, described panel computer comprises bluetooth module, and described bluetooth module is for detection of the output of information.
6. ultrasonic transcranial doppler blood flow detection instrument as claimed in claim 1, is characterized in that, also comprises testing circuit board mount.
7. ultrasonic transcranial doppler blood flow detection instrument as claimed in claim 1, is characterized in that, described erasable Programmadle logic device is EPL570.
8. a control method for ultrasonic transcranial doppler blood flow detection instrument as claimed in claim 1, is characterized in that, comprises the following steps:
Start detection circuit board;
The ultrasonic probe being connected with testing circuit plate by panel computer control produces ultrasound emission pumping signal;
Ultrasonic probe contact human body, obtains small-signal;
Described signal is sent to testing circuit plate and amplifies, reconcile and sample, convert through A/D;
The signal of above-mentioned processing is delivered to panel computer display process result by USB interface.
9. the control method of ultrasonic transcranial doppler blood flow detection instrument as claimed in claim 8, is characterized in that, the signal of described processing is delivered to panel computer display process result by bluetooth module.
10. the control method of ultrasonic transcranial doppler blood flow detection instrument as claimed in claim 8, is characterized in that, described result comprises spectral image and/or data.
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| CN104546011A (en) * | 2014-10-09 | 2015-04-29 | 陈正红 | Ultrasonic Doppler signal detection system and control method |
| CN105640591A (en) * | 2016-03-22 | 2016-06-08 | 北京悦琦创通科技有限公司 | Transcranial Doppler equipment |
| CN105662546A (en) * | 2016-01-04 | 2016-06-15 | 中国人民解放军北京军区总医院 | Color-doppler-ultrasound dual-guiding control system for orthopedic-department puncturing |
| CN106037800A (en) * | 2016-06-24 | 2016-10-26 | 深圳市大深生物医学工程转化研究院 | Premature infant intracranial bleeding ultrasonic monitoring device and central monitoring system |
| US9877699B2 (en) | 2012-03-26 | 2018-01-30 | Teratech Corporation | Tablet ultrasound system |
| CN107647885A (en) * | 2017-10-28 | 2018-02-02 | 深圳市贝斯曼精密仪器有限公司 | A kind of ultrasonic doppler blood flow detector |
| CN107714090A (en) * | 2017-11-21 | 2018-02-23 | 深圳市贝斯曼精密仪器有限公司 | It is a kind of can real time print ultrasonic doppler blood flow detector |
| CN107789009A (en) * | 2017-11-20 | 2018-03-13 | 广东里田科技有限公司 | Based on the blood flow detection system and blood flow detection method being wirelessly transferred |
| CN108553125A (en) * | 2018-05-23 | 2018-09-21 | 深圳市德力凯医疗设备股份有限公司 | A kind of ultrasound transcranial Doppler harvester and system |
| CN108784741A (en) * | 2018-05-23 | 2018-11-13 | 深圳市德力凯医疗设备股份有限公司 | A kind of ultrasound Transcranial Doppler analyzer and system |
| US10667790B2 (en) | 2012-03-26 | 2020-06-02 | Teratech Corporation | Tablet ultrasound system |
| CN116616819A (en) * | 2023-07-25 | 2023-08-22 | 南京科进实业有限公司 | Ultrasonic transcranial Doppler blood flow analysis system, method and storage medium |
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| US12115023B2 (en) | 2012-03-26 | 2024-10-15 | Teratech Corporation | Tablet ultrasound system |
| US11857363B2 (en) | 2012-03-26 | 2024-01-02 | Teratech Corporation | Tablet ultrasound system |
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| US12102480B2 (en) | 2012-03-26 | 2024-10-01 | Teratech Corporation | Tablet ultrasound system |
| US11179138B2 (en) | 2012-03-26 | 2021-11-23 | Teratech Corporation | Tablet ultrasound system |
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| CN104546011A (en) * | 2014-10-09 | 2015-04-29 | 陈正红 | Ultrasonic Doppler signal detection system and control method |
| CN105662546A (en) * | 2016-01-04 | 2016-06-15 | 中国人民解放军北京军区总医院 | Color-doppler-ultrasound dual-guiding control system for orthopedic-department puncturing |
| CN105640591A (en) * | 2016-03-22 | 2016-06-08 | 北京悦琦创通科技有限公司 | Transcranial Doppler equipment |
| CN106037800A (en) * | 2016-06-24 | 2016-10-26 | 深圳市大深生物医学工程转化研究院 | Premature infant intracranial bleeding ultrasonic monitoring device and central monitoring system |
| CN107647885A (en) * | 2017-10-28 | 2018-02-02 | 深圳市贝斯曼精密仪器有限公司 | A kind of ultrasonic doppler blood flow detector |
| CN107789009A (en) * | 2017-11-20 | 2018-03-13 | 广东里田科技有限公司 | Based on the blood flow detection system and blood flow detection method being wirelessly transferred |
| CN107714090A (en) * | 2017-11-21 | 2018-02-23 | 深圳市贝斯曼精密仪器有限公司 | It is a kind of can real time print ultrasonic doppler blood flow detector |
| CN108553125A (en) * | 2018-05-23 | 2018-09-21 | 深圳市德力凯医疗设备股份有限公司 | A kind of ultrasound transcranial Doppler harvester and system |
| CN108553125B (en) * | 2018-05-23 | 2024-01-26 | 深圳市德力凯医疗设备股份有限公司 | Ultrasonic transcranial Doppler acquisition device and system |
| CN108784741B (en) * | 2018-05-23 | 2024-03-12 | 深圳市德力凯医疗设备股份有限公司 | Ultrasonic transcranial Doppler analyzer and system |
| CN108784741A (en) * | 2018-05-23 | 2018-11-13 | 深圳市德力凯医疗设备股份有限公司 | A kind of ultrasound Transcranial Doppler analyzer and system |
| CN116616819B (en) * | 2023-07-25 | 2023-09-22 | 南京科进实业有限公司 | Ultrasonic transcranial Doppler blood flow analysis system, method and storage medium |
| CN116616819A (en) * | 2023-07-25 | 2023-08-22 | 南京科进实业有限公司 | Ultrasonic transcranial Doppler blood flow analysis system, method and storage medium |
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Application publication date: 20140625 |