CN204683596U - A kind of electromagnetic wave signal blood processor - Google Patents
A kind of electromagnetic wave signal blood processor Download PDFInfo
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- CN204683596U CN204683596U CN201520227549.4U CN201520227549U CN204683596U CN 204683596 U CN204683596 U CN 204683596U CN 201520227549 U CN201520227549 U CN 201520227549U CN 204683596 U CN204683596 U CN 204683596U
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Abstract
This utility model embodiment discloses a kind of electromagnetic wave signal blood processor, comprise fixture, controller, converter and denoiser, wherein, the medial surface of fixture is provided with at least four electrode slices be electrically connected with controller, and each electrode slice is all electrically connected with any one the attribute end in receiving terminal, transmitting terminal and earth terminal by controller.First, Frequency Converter Control transmitting terminal is by the electromagnetic wave signal of electrode slice to the multiple different frequency of skull internal emission, and then, two electrode slices be electrically connected with receiving terminal receive electromagnetic wave signal, and, utilize denoiser to reduce the noise of electromagnetic wave signal.
Description
Technical field
This utility model relates to signal monitoring technical field, particularly relates to a kind of electromagnetic wave signal blood processor.
Background technology
Cerebral edema refers to the pathological phenomenon that in brain, moisture increases, and is the reaction of cerebral tissue to various paathogenic factor.Cerebral edema easily causes intracranial hypertension, major injury cerebral tissue, be common in nervous system disease clinically, as skull inside wound, intracranial infection (encephalitis, meningitis etc.), cerebrovascular disease, Intracranial mass lesion (as tumor), epilepsy and systemic disease are as toxic dysentery, severe pneumonia etc.Therefore, promptly and accurately diagnose the cerebral edema state of an illness, grasp cerebral edema change of illness state, correct process cerebral edema is one of the disease of brain such as acute brain circulation damage, skull inner wound, brain postoperative complication key factor of successfully giving treatment to.
At present, the inspection method of cerebral edema patient mainly comprises that intracranial pressure is directly measured, CT scan (CT, Computer Tomography) and nuclear magnetic resonance (MRI, Magnetic Resonance Imaging), wherein, it is a kind of method of indirect reflection degree of cerebral edema that intracranial pressure is directly measured, comprise waist and wear pressure measurement and epidural pressure measurement two kinds of modes, but, intracranial pressure direct measuring method needs pressure transducer to be placed in body, have traumatic, easily cause the misery of patient, can not guard.Meanwhile, this method can not determine position and the size of cerebral edema, and therefore, intracranial pressure is directly measured to be needed to combine with CT or MRI technology.
Although CT detects and the use of MRI technology solves the problem determining cerebral edema position and size, because cerebral edema metamorphosis needs the regular hour, and CT and MRI can not Real-Time Monitoring, causes finding in the very first time and supervising cerebral edema situation.In addition, CT and MRI checks the length that expends time in, costly, is not suitable for the needs of bedside monitoring.Therefore, develop a kind of noinvasive, easy cerebral edema detection technique, the treatment for cerebral edema related brain disease is very necessary, is also current cerebral edema detection field significant problem urgently to be resolved hurrily.
Utility model content
This utility model embodiments provides a kind of electromagnetic wave signal blood processor, with simple and easy, non-invasively monitor brain signal.
In order to solve the problems of the technologies described above, this utility model embodiment discloses following technical scheme:
A kind of electromagnetic wave signal blood processor, for detecting the skull of measurand, described device comprises fixture, controller, converter and denoiser;
Wherein, the inner surface of described fixture is provided with at least four electrode slices, and each electrode slice is all electrically connected with controller; The mating shapes of at least one skull suture on the distribution shape of described electrode slice and the skull of described measurand;
Described controller is electrically connected with attribute end, and described attribute end comprises receiving terminal, transmitting terminal and earth terminal; A gauge tap is respectively arranged with between each electrode slice and all properties end; Controller controls opening or closing of gauge tap between each electrode slice and attribute end;
Wherein, any two gauge taps between electrode slice and receiving terminal close, and and earth terminal, gauge tap between transmitting terminal open; Gauge tap between any one electrode slice and earth terminal closes, and and transmitting terminal, gauge tap between receiving terminal open; Gauge tap between any one electrode slice and transmitting terminal closes, and and earth terminal, gauge tap between receiving terminal open;
The outfan of described converter is electrically connected with transmitting terminal, to control the electromagnetic wave signal that transmitting terminal outwards launches multiple different frequency;
The input of described denoiser is electrically connected with two electrode slices being connected receiving terminal respectively, and the outfan of described denoiser is electrically connected with described receiving terminal, to reduce the noise that electrode slice is sent to the electromagnetic wave signal of receiving terminal.
Alternatively, described controller comprises:
The control signal receiving terminal of receiving target property control signal;
Attribute information acquisition cuicuit, the input of described attribute information acquisition cuicuit is electrically connected with the outfan of described control signal receiving terminal, to obtain the target property information of each electrode slice according to described objective attribute target attribute control signal, described target property information comprises: one in collecting electrode, emission electrode and ground electrode;
Control circuit, the input of described control circuit is electrically connected with the outfan of described attribute information acquisition cuicuit, with the target property information according to each electrode slice, the gauge tap controlled respectively between each electrode slice and corresponding objective attribute target attribute end closes, and described objective attribute target attribute end comprises: receiving terminal, transmitting terminal and earth terminal.
Alternatively, described converter comprises:
Obtain the frequency acquisition device of predeterminated frequency value;
Frequency controller, the input of described frequency controller is electrically connected with the outfan of described frequency acquisition device, and the outfan of described frequency controller is electrically connected with described transmitting terminal, sends to control transmitting terminal the electromagnetic wave that frequency is described predeterminated frequency value;
Frequency supercharge, the outfan of described frequency supercharge is electrically connected with the input of described frequency acquisition device, described predeterminated frequency value to be added with a preset increase values, and using the summation after addition as described predeterminated frequency value;
Frequency arbiter, the input of described frequency arbiter is electrically connected with the outfan of described frequency supercharge, to judge whether described predeterminated frequency value is greater than preset termination frequency values;
Stop element, the input of described stop element is electrically connected with the outfan of described frequency arbiter, and the outfan of described stop element is electrically connected with described transmitting terminal, with when described predeterminated frequency value is greater than described preset termination frequency values, controls transmitting terminal and stop sending electromagnetic wave.
Alternatively, described device also comprises data obtainer, result getter and alarm;
The input of described data obtainer is electrically connected with receiving terminal, passing the electromagnetic wave of described measurand skull as sweep signal, and obtains scan-data according to sweep signal;
The input of described result getter is electrically connected with the outfan of described data obtainer, to obtain scanning result value according to described scan-data;
The input of described alarm is electrically connected with the outfan of described result getter, to judge whether described scanning result value is preset alarm value and second first and preset in the scope between alarm value;
If described scanning result value is not preset alarm value and second first and preset in the scope between alarm value, give the alarm.
Alternatively, described denoiser comprises differential amplifier circuit;
Two inputs of described differential amplifier circuit are connected with the first collecting electrode, the second collecting electrode respectively, and described first collecting electrode and the second collecting electrode are two electrode slices be electrically connected with receiving terminal;
Differential amplification process is carried out to the electromagnetic wave signal that described first collecting electrode, the second collecting electrode receive, to realize the noise reducing the electromagnetic wave signal that receiving terminal receives.
Alternatively, described controller comprises:
Mode unit, described mode unit stores the mode list pre-set, described mode list comprises multiple pattern, and described pattern comprises the attribute information of each electrode slice, and described attribute information comprises: one in collecting electrode, emission electrode and ground electrode;
Target pattern unit, the input of described target pattern unit is electrically connected with the outfan of described mode unit, to obtain a pattern in described mode list as target pattern;
Linkage unit, the input of described linkage unit is electrically connected with the outfan of described target pattern unit, with the attribute information according to electrode slice each in described target pattern, controls each electrode slice and is electrically connected with corresponding attribute end respectively.
Alternatively,
Described fixture comprises at least one fixing band;
All described electrode slices are all arranged on the medial surface of described fixing band;
Has the mating shapes of at least one skull suture on the skull of the distribution shape of the electrode slice on a described fixing band and described measurand at least.
Alternatively, described fixing band is many;
Be connected between many described fixing bands, form the space that can be held the skull of described measurand.
Alternatively,
Described fixing band is the accommodation zone that can regulate size.
Alternatively, the inner surface of described fixture is provided with eight electrode slices, and wherein, eight electrode slices are divided into four electrode slice groups, and each electrode slice group comprises two electrode slices, and four electrode slice groups are cross symmetrical.
From above technical scheme, the electromagnetic wave signal blood processor that this utility model embodiment provides, comprise fixture, controller, converter and denoiser, wherein, the medial surface of fixture is provided with at least four electrode slices be electrically connected with controller, and each electrode slice is all electrically connected with any one the attribute end in receiving terminal, transmitting terminal and earth terminal by controller.First, Frequency Converter Control transmitting terminal is by the electromagnetic wave signal of electrode slice to the multiple different frequency of skull internal emission, and then, two electrode slices be electrically connected with receiving terminal receive electromagnetic wave signal, further, denoiser is utilized to reduce the noise of the electromagnetic wave signal that receiving terminal receives.
Therefore, utilize the device that this utility model provides, fixture can be set on the skull of measurand by user, transmitted by the electrode slice be electrically connected with transmitting terminal, the electrode slice Received signal strength be electrically connected with receiving terminal, obtain the detection signal of multiple frequencies of measurand brain inside, and, on the basis not adjusting electrode slice and measurand skull contact position, the attribute end of electrode slice electrical connection is switched by controller, to change the path that signal is propagated in measurand skull inside, realize the inner detection signal of comprehensive acquisition skull.
In addition, reduced the noise of the electromagnetic wave signal that receiving terminal receives by denoiser, the impact of noise on detection signal can be reduced, make the detection signal result of acquisition more accurate.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of electromagnetic wave signal blood processor that Fig. 1 provides for this utility model embodiment;
The structural representation of a kind of fixture that Fig. 2 provides for this utility model embodiment;
The structural representation that a kind of electrode slice that Fig. 3 provides for this utility model embodiment is connected with attribute end.
Detailed description of the invention
Technical scheme in this utility model is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, 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 should belong to the scope of this utility model protection.
Electromagnetic wave propagation speed is inversely proportional to the dielectric constant square root propagating material, different material has different dielectric constants when transmitting the electromagnetic wave of same frequency, therefore, measuring speed that same frequency electromagnetic wave propagates in different material can the kind of indirect identification material.Such as, when transmitting certain frequency electromagnetic, the dielectric constant of water is 80, and the dielectric constant of blood is 130, and biological tissue, the dielectric constant as cerebral tissue is 100, can obviously distinguish water, blood and cerebral tissue thus.
Receive user after the electromagnetic wave transmitted in cranial cavity by receiving terminal C, the situation of cerebral tissue in the electromagnetic wave data analysis cranial cavity that receives can be utilized, and analyze in cranial cavity whether there is hydrops or hematoma etc.
The structural representation of a kind of electromagnetic wave signal blood processor that Fig. 1 provides for this utility model embodiment, for detecting the skull of measurand, this device comprises fixture 1, controller 3, converter 4 and denoiser 5.
Wherein, the inner surface of fixture 1 is provided with at least four electrode slices 2, and each electrode slice 2 is all electrically connected with controller 3 by a wire, and each electrode slice 2 is all electrically connected with controller 3.
In a specific embodiment of the present utility model, electrode slice 2 can be fixed in fixture 1 by the mode of pasting or sew up, also the inner side of fixture 1 can be embedded in by the mode embedded, no matter adopt which kind of set-up mode, as long as make a side surface of electrode slice 2 expose fixture 1, thus when fixture 1 is set in object under test outside, each electrode slice 2 all directly can contact with object under test.Such as, fixture 1 can be set in human skull outside, each electrode slice 2 all can with the direct skin contact at human skull place.
The mating shapes of at least one skull suture on the distribution shape of electrode slice 2 and the skull of measurand.
Another embodiment that Fig. 2 provides for this utility model, as shown in Figure 2, fixture 1 comprises at least one fixing band, and all electrode slices 2 are all arranged on the medial surface of fixing band; Further, the mating shapes of the distribution shape of electrode slice 2 on a fixing band and at least one skull suture on the skull of measurand is had at least.
Because the main load unit of skull suture is collagen fiber, compare the bony structures of skull, skull suture hinders degree to be less than the degree that skull hinders electromagnetic wave to electromagnetic wave.So when the some electrode slices 2 on fixing band are electrically connected with transmitting terminal B, the electromagnetic wave signal intensity entered in cranial cavity through this electrode is larger; Some electrode slices 2 on fixing band are when receiving terminal C is electrically connected, and the electromagnetic wave signal intensity through cranial cavity inside received through this electrode is also larger.
Therefore, when the distribution shape of electrode slice 2 on fixing band and the skull suture on the skull of measurand being matched, receiving terminal C can be made to receive the larger electromagnetic wave signal of intensity.
For making the mating shapes of the distribution shape of electrode slice 2 on fixing band and at least one skull suture on the skull of measurand, fixture 1 can be arranged to following form: fixing band forms one and closes and the ring-type that can be set on measurand skull, is provided with two supports in the both sides that fixing band is corresponding; One end of each support is all electrically connected with fixing band, and the other end is provided with the holder of arc ear.The shape of arc ear holder and the mating shapes of people's ear gabarit, and when arc ear holder card holder is on people's ear, the skull suture that fixing band powers on the distribution shape of pole piece 2 and the skull of measurand matches.
Or, fixture 1 comprises many fixing bands, be electrically connected between many fixing bands, form the space that can be held the skull of measurand, time on the skull that fixture 1 is set in measurand, the skull suture that fixing band powers on the distribution shape of pole piece 2 and the skull of measurand matches.
And, fixing band in fixture 1 can be have elastic elastic webbing, or the accommodation zone of size can be regulated, the skull being convenient to fixture 1 to be set in different measurand is outside, makes the electrode slice 2 inside fixture 1 can with the contact skin outside measurand skull.
Controller 3 is electrically connected with attribute end, and attribute end comprises receiving terminal, transmitting terminal and earth terminal; Be respectively arranged with a gauge tap between each electrode slice 2 and all properties end, controller 3 controls opening or closing of gauge tap between each electrode slice 2 and attribute end.
As shown in Figure 3, wherein, the gauge tap between any two electrode slices 2 and receiving terminal closes, and and earth terminal, gauge tap between transmitting terminal open; Gauge tap between any one electrode slice 2 and earth terminal closes, and and transmitting terminal, gauge tap between receiving terminal open; Gauge tap between any one electrode slice 2 and transmitting terminal closes, and and earth terminal, gauge tap between receiving terminal open.That is, ensure in multiple electrode slice have two electrode slices 2 to be electrically connected with receiving terminal, have an electrode slice 2 to be electrically connected with earth terminal, have an electrode slice 2 to be electrically connected with transmitting terminal.
In a specific embodiment of the present utility model, controller 3 comprises control signal receiving terminal, attribute information acquisition cuicuit and control circuit, wherein:
Control signal receiving terminal, for receiving target property control signal, this objective attribute target attribute control signal can be the signal of telecommunication that outside sends to controller 3, also can be the signal of telecommunication that controller 3 sends self, and, carry the target property information of each electrode slice 2 in objective attribute target attribute control signal, target property information comprises: one in collecting electrode, emission electrode and ground electrode.
Attribute information acquisition cuicuit, the input of attribute information acquisition cuicuit is electrically connected with the outfan of control signal receiving terminal, for according to the target property information obtaining each electrode slice 2 in objective attribute target attribute control signal.
Control circuit, the input of control circuit is electrically connected with the outfan of attribute information acquisition cuicuit, for the target property information according to each electrode slice 2, control each electrode slice 2 and be electrically connected with corresponding objective attribute target attribute end respectively, objective attribute target attribute end comprises: receiving terminal, transmitting terminal and earth terminal.Any one electrode slice 2 is electrically connected with an objective attribute target attribute end simultaneously.
As shown in Figure 3, controller 3 is electrically connected with attribute end, and attribute end comprises receiving terminal C, transmitting terminal B and earth terminal A, and wherein, transmitting terminal B is used for outwards transmitting, such as electromagnetic wave signal etc.; Receiving terminal C is used for Received signal strength, such as, receives the electromagnetic wave that transmitting terminal B launches, and this electromagnetic wave receiving end C after object under test transmission receives; Earth terminal A, for ensureing the safety of object under test, avoids object under test to get an electric shock when receiving the electric current of larger voltage.
Be respectively arranged with a gauge tap (not marking in figure) between each electrode slice 2 and all properties end, that is, be all electrically connected by a gauge tap between each electrode slice 2 with all properties end.Such as, some electrode slices 2 and transmitting terminal B, between receiving terminal C and earth terminal A, be respectively arranged with a gauge tap, when gauge tap between this electrode slice 2 and transmitting terminal B closes, this electrode slice 2 is communicated with transmitting terminal B, thus the electromagnetic wave that transmitting terminal B launches is by this electrode slice 2 outwards emitting electromagnetic wave, and this electrode slice 2 and the gauge tap between receiving terminal C, earth terminal A are opened, that is, any one electrode slice 2 is only electrically connected with an attribute end simultaneously.
Further, by attribute end that the changeable each electrode slice 2 of controller 3 is electrically connected.In a specific embodiment of the present utility model, controller 3 is provided with multiple knob, the corresponding electrode slice 2 of each knob.For each knob, send a control signal when being rotated to preset gear to all gauge taps of correspondence, each gauge tap is closed or unlatching according to control signal.
In the manner described above, the electrical connection of each electrode slice 2 and any one attribute end can be realized, thus, can electrode slice 2 do not adjusted with on the basis of the skull contact position of measurand, change the propagation path of electromagnetic wave in cranial cavity, when electrode slice 2 quantity is more, utilize the device in the present embodiment, electromagnetic wave propagation path can be made to cover whole cranial cavity, comprehensive, three-dimensionally obtain the signal transmission of electromagnetic wave in cranial cavity.
Any one electrode slice 2 and transmitting terminal B between gauge tap close, and and gauge tap between receiving terminal C, earth terminal A open, that is, an electrode slice 2 in multiple electrode slice 2 is electrically connected with transmitting terminal B; Any two electrode slices 2 and receiving terminal C between gauge tap close, and and gauge tap between transmitting terminal B, earth terminal A open, that is, two electrode slices 2 in multiple electrode slice 2 are electrically connected with receiving terminal C; Any one electrode slice 2 and earth terminal A between gauge tap close, and and gauge tap between transmitting terminal B, receiving terminal C open, that is, an electrode slice 2 in multiple electrode slice 2 is electrically connected with earth terminal A.
Any one electrode slice 2 is only electrically connected with an attribute end simultaneously, when fixture 1 has the situation more than four electrode slices 2, such as, fixture 1 has eight electrode slices 2, four electrode slices 2 can be chosen arbitrarily as the electrode slice 2 be electrically connected with transmitting terminal B, receiving terminal C and earth terminal A in eight electrode slices 2, choose electrode slice 2 with different combinations, the propagation path that electromagnetic wave is different can be built, make electromagnetic wave by multiple propagation path to reach the object covering whole skull inside.
The outfan of converter 4 is electrically connected with transmitting terminal, to control the electromagnetic wave signal that transmitting terminal outwards launches multiple different frequency;
In a specific embodiment of the present utility model, converter 4 comprises with lower part:
Frequency acquisition device, can obtain predeterminated frequency value, such as, and 20KHz.
Frequency controller, the input of frequency controller is electrically connected with the outfan of frequency acquisition device, and the outfan of frequency controller is electrically connected with transmitting terminal, send the electromagnetic wave of frequency for predeterminated frequency value to control transmitting terminal, make the skull of the electromagnetic wave scanning measurand of this frequency.
Frequency supercharge, the outfan of frequency supercharge is electrically connected with the input of frequency acquisition device, predeterminated frequency value can be added with a preset increase values, and using the summation after addition as predeterminated frequency value.In a specific embodiment of the present utility model, often to launch to measurand skull after a frequency is the electromagnetic wave of predeterminated frequency value at transmitting terminal, this predeterminated frequency value is increased a preset increase values.Or frequency supercharge has clocking capability, often after Preset Time, predeterminated frequency value is increased a preset increase values.
Frequency arbiter, the input of frequency arbiter is electrically connected with the outfan of frequency supercharge, to judge whether predeterminated frequency value is greater than preset termination frequency values.Such as, preset termination frequency values is 100KHz.
Stop element, the input of stop element is electrically connected with the outfan of frequency arbiter, and the outfan of stop element is electrically connected with transmitting terminal, when predeterminated frequency value is greater than preset termination frequency values, controls transmitting terminal and stops sending electromagnetic wave.
In a specific embodiment of the present utility model, first a predeterminated frequency value can be set, such as, 10KHz, by converter 4, the electromagnetic wave that transmitting terminal B launches is adjusted to this predeterminated frequency value, and by the electrode slice 2 be electrically connected with receiving terminal C receive this adjust frequency after electromagnetic wave, then, above-mentioned predeterminated frequency value is added with a preset increase values, such as, 10KHz, and using the predeterminated frequency value of the summation after both are added as converter 4 next time, converter 4 continues the frequency of the predeterminated frequency value adjustment emitting electromagnetic wave according to this new acquisition, until when predeterminated frequency value is greater than a preset termination frequency values, stop as predeterminated frequency value increases preset increase values, thus the electromagnetic wave signal obtained under multiple frequency.
In another embodiment of the present utility model, the device in above-described embodiment also comprises data obtainer, result getter and alarm.
The input of data obtainer is electrically connected with the outfan of receiving terminal, passing the electromagnetic wave of measurand skull as sweep signal, and obtains scan-data according to sweep signal.In a specific embodiment of the present utility model, scan-data is resistance value, receiving terminal is after receiving sweep signal, this sweep signal is transferred to data obtainer, and data obtainer carries out analog digital conversion to sweep signal, and sweep signal is converted to digital signal, and, in a data processing cycle, carry out repeatedly analog digital conversion, such as 100 times, finally average; Then adopt discrete Fourier transform (DFT, Discrete Fourier Transform) algorithm process, obtain a real part data value and an imaginary data value of each sweep signal, calculate resistance value.
The input of result getter is electrically connected with the outfan of data obtainer, to obtain scanning result value according to scan-data.In a specific embodiment of the present utility model, adding with meansigma methods as scanning result value of all scan-datas can be obtained.Such as, stop after electromagnetic signals at transmitting terminal, result getter obtains the scan-data obtained based on each predeterminated frequency value, calculates the summation of all scan-datas and obtains the meansigma methods of summation, using this meansigma methods as scanning result value.Such as, all scan-datas are 320,300,290,240,210,205,180,175,160,150, and it is 223 that the meansigma methods calculating all scan-datas obtains scanning result value.
The input of alarm is electrically connected with the outfan of result getter, to judge whether scanning result value is preset alarm value and second first and preset in the scope between alarm value.Preset in the scope between alarm value if scanning result value does not preset alarm value and second first, give the alarm, wherein, first presets alarm value is greater than the second default alarm value, and such as, the first default alarm value is 360, second default alarm value is 280, the scanning result value obtained in above-described embodiment is 223, in the numerical range not between 360 and 280, then gives the alarm.
First acquisition presetting alarm value and the second default alarm value can be that user is obtained by test of many times, such as, user learns through test of many times, generally there is hydrops in cranium brain when scanning result value is more than 360, or, scanning result value lower than 280 time cranium brain in generally there is hematoma, therefore, after setting two fiducial values, can whether normal in automatic decision cranium brain, if abnormal, report to the police.
Denoiser 5 is arranged between receiving terminal and controller 3, the input of denoiser 5 is electrically connected with two electrode slices being connected receiving terminal respectively, further, the outfan of described denoiser 5 is electrically connected with described receiving terminal, to reduce the noise that electrode slice 2 is sent to the electromagnetic wave signal of receiving terminal.
In a specific embodiment of the present utility model, denoiser 5 comprises differential amplifier circuit;
Wherein, two inputs of differential amplifier circuit are electrically connected with the first collecting electrode, the second collecting electrode respectively, first collecting electrode and the second collecting electrode are two electrode slices 2 be electrically connected with receiving terminal, differential amplification process is carried out to the electromagnetic wave signal that the first collecting electrode, the second collecting electrode receive, to realize the noise reducing the electromagnetic wave signal that receiving terminal receives.
First collecting electrode and the second collecting electrode, the electromagnetic wave signal that the emission electrode for receiving by measurand cranium brain is arranged is launched.The electromagnetic wave signal that signal generator is launched to measurand cranium brain by emission electrode, this electromagnetic wave signal, by after measurand cranium brain, is received the electromagnetic wave signal through measured target launched by the first collecting electrode and the second collecting electrode.
When signal generator electromagnetic signals time, may due to the impact of objective factor (such as people is attended operation error) or external environment condition, make the electromagnetic wave signal of transmission loads interfering signal or interference noise, and then affect the accuracy by the electromagnetic wave signal received after measured target.
In order to reduce interfering signal or interference noise to the impact of the electromagnetic wave signal received, adopt the principle of differential transfer, if the signal amplitude that differential transfer is transmitted on two transmission lines is equal, phase place is contrary, and the signal so transmitted on these two transmission lines is exactly differential signal.Differential signal has the strong feature of capacity of resisting disturbance, therefore, it is possible to effectively suppress electromagnetic interference or interference noise, and then improves the signal to noise ratio of amplifier system.
In another embodiment of the present utility model, controller 3 comprises following components:
Mode unit, mode unit stores the mode list pre-set, and mode list comprises multiple pattern, and pattern comprises the attribute information of each electrode slice 2, and attribute information comprises: one in collecting electrode, emission electrode and ground electrode;
Target pattern unit, the input of target pattern unit is electrically connected with the outfan of mode unit, for the pattern of in obtaining mode list as target pattern;
Linkage unit, the input of linkage unit is electrically connected with the outfan of target pattern unit, for the attribute information according to electrode slice 2 each in target pattern, control each electrode slice 2 and be electrically connected with corresponding attribute end respectively, and any one electrode slice 2 is electrically connected with an attribute end simultaneously.
In the present embodiment, all patterns in mode list are respectively as target pattern, according to the corresponding relation in each target pattern, each electrode slice 2 is electrically connected with corresponding attribute end, further, the result data that the electrode slice 2 be electrically connected with receiving terminal in each target pattern sends receiving terminal to is obtained.After the electrode slice 2 be electrically connected with receiving terminal in acquisition pattern sends the result of receiving terminal to, then change target pattern, electrode slice 2 is electrically connected with corresponding attribute end according to next target pattern.
Mode list is as shown in the table:
Wherein, under being numbered the pattern of 01, the first electrode slice is electrically connected with transmitting terminal B, and the second electrode slice is electrically connected with receiving terminal C, and the 3rd electrode slice is electrically connected with receiving terminal C, and the 4th electrode slice is electrically connected with earth terminal A.Similar with above-mentioned connected mode, under being numbered the connection mode of 02, each electrode slice 2 is electrically connected with an attribute end respectively.
Controller 3 is provided with a scan button, and when scan button is pressed, controller 3 can control each electrode slice 2 and be electrically connected with attribute end according to all patterns in mode unit successively.Such as, when user presses scan button, controller 3 controls each electrode slice 2 according to the pattern listed in mode unit, is electrically connected respectively with corresponding attribute end, and all patterns all can be realized.Thus, receiving terminal can obtain multiple electromagnetic wave signal based on above-mentioned multiple pattern.
In another embodiment of the present utility model, be provided with eight electrode slices 2 inside fixture 1, wherein, eight electrode slices 2 are divided into four electrode slice groups, and it is cross symmetrical that each electrode slice group comprises two electrode slices, 2, four electrode slice groups.
User is when applying the device that the utility model proposes, except can realizing the function in above-described embodiment, can also be electrically connected with attribute end by making any one electrode slice 2 in four groups of electrode slice groups, the mode that another one electrode slice 2 is not connected with attribute end, receive the electromagnetic wave signal in measurand cranial cavity, such as, four electrode slices 2 making to be electrically connected with attribute end in cross distribution, the inconsistent cross of two reticule length distributes and asymmetric cross distribution etc., to reach better Detection results.
It should be noted that, in this article, the such as relational terms of " first " and " second " etc. and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only detailed description of the invention of the present utility model, those skilled in the art is understood or realizes this utility model.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an electromagnetic wave signal blood processor, for detecting the skull of measurand, is characterized in that, described device comprises fixture, controller, converter and denoiser;
Wherein, the inner surface of described fixture is provided with at least four electrode slices, and each electrode slice is all electrically connected with controller; The mating shapes of at least one skull suture on the distribution shape of described electrode slice and the skull of described measurand;
Described controller is electrically connected with attribute end, and described attribute end comprises receiving terminal, transmitting terminal and earth terminal; A gauge tap is respectively arranged with between each electrode slice and all properties end; Controller controls opening or closing of gauge tap between each electrode slice and attribute end;
Wherein, any two gauge taps between electrode slice and receiving terminal close, and and earth terminal, gauge tap between transmitting terminal open; Gauge tap between any one electrode slice and earth terminal closes, and and transmitting terminal, gauge tap between receiving terminal open; Gauge tap between any one electrode slice and transmitting terminal closes, and and earth terminal, gauge tap between receiving terminal open;
The outfan of described converter is electrically connected with transmitting terminal, to control the electromagnetic wave signal that transmitting terminal outwards launches multiple different frequency;
The input of described denoiser is electrically connected with two electrode slices being connected receiving terminal respectively, and the outfan of described denoiser is electrically connected with described receiving terminal, to reduce the noise that electrode slice is sent to the electromagnetic wave signal of receiving terminal.
2. device according to claim 1, is characterized in that, described controller comprises:
The control signal receiving terminal of receiving target property control signal;
Attribute information acquisition cuicuit, the input of described attribute information acquisition cuicuit is electrically connected with the outfan of described control signal receiving terminal, to obtain the target property information of each electrode slice according to described objective attribute target attribute control signal, described target property information comprises: one in collecting electrode, emission electrode and ground electrode;
Control circuit, the input of described control circuit is electrically connected with the outfan of described attribute information acquisition cuicuit, with the target property information according to each electrode slice, the gauge tap controlled respectively between each electrode slice and corresponding objective attribute target attribute end closes, and described objective attribute target attribute end comprises: receiving terminal, transmitting terminal and earth terminal.
3. device according to claim 1, is characterized in that, described converter comprises:
Obtain the frequency acquisition device of predeterminated frequency value;
Frequency controller, the input of described frequency controller is electrically connected with the outfan of described frequency acquisition device, and the outfan of described frequency controller is electrically connected with described transmitting terminal, sends to control transmitting terminal the electromagnetic wave that frequency is described predeterminated frequency value;
Frequency supercharge, the outfan of described frequency supercharge is electrically connected with the input of described frequency acquisition device, described predeterminated frequency value to be added with a preset increase values, and using the summation after addition as described predeterminated frequency value;
Frequency arbiter, the input of described frequency arbiter is electrically connected with the outfan of described frequency supercharge, to judge whether described predeterminated frequency value is greater than preset termination frequency values;
Stop element, the input of described stop element is electrically connected with the outfan of described frequency arbiter, and the outfan of described stop element is electrically connected with described transmitting terminal, with when described predeterminated frequency value is greater than described preset termination frequency values, controls transmitting terminal and stop sending electromagnetic wave.
4. device according to claim 3, is characterized in that, described device also comprises data obtainer, result getter and alarm;
The input of described data obtainer is electrically connected with receiving terminal, passing the electromagnetic wave of described measurand skull as sweep signal, and obtains scan-data according to sweep signal;
The input of described result getter is electrically connected with the outfan of described data obtainer, to obtain scanning result value according to described scan-data;
The input of described alarm is electrically connected with the outfan of described result getter, to judge whether described scanning result value is preset alarm value and second first and preset in the scope between alarm value;
If described scanning result value is not preset alarm value and second first and preset in the scope between alarm value, give the alarm.
5. device according to claim 1, is characterized in that, described denoiser comprises differential amplifier circuit;
Two inputs of described differential amplifier circuit are connected with the first collecting electrode, the second collecting electrode respectively, and described first collecting electrode and the second collecting electrode are two electrode slices be electrically connected with receiving terminal;
Differential amplification process is carried out to the electromagnetic wave signal that described first collecting electrode, the second collecting electrode receive, to realize the noise reducing the electromagnetic wave signal that receiving terminal receives.
6. device according to claim 1, is characterized in that, described controller comprises:
Mode unit, described mode unit stores the mode list pre-set, described mode list comprises multiple pattern, and described pattern comprises the attribute information of each electrode slice, and described attribute information comprises: one in collecting electrode, emission electrode and ground electrode;
Target pattern unit, the input of described target pattern unit is electrically connected with the outfan of described mode unit, to obtain a pattern in described mode list as target pattern;
Linkage unit, the input of described linkage unit is electrically connected with the outfan of described target pattern unit, with the attribute information according to electrode slice each in described target pattern, controls each electrode slice and is electrically connected with corresponding attribute end respectively.
7. device according to claim 1, is characterized in that,
Described fixture comprises at least one fixing band;
All described electrode slices are all arranged on the medial surface of described fixing band;
Has the mating shapes of at least one skull suture on the skull of the distribution shape of the electrode slice on a described fixing band and described measurand at least.
8. device according to claim 7, is characterized in that, described fixing band is many;
Be connected between many described fixing bands, form the space that can be held the skull of described measurand.
9. the device according to claim 7 or 8, is characterized in that,
Described fixing band is the accommodation zone that can regulate size.
10. device according to claim 1, is characterized in that, the inner surface of described fixture is provided with eight electrode slices, wherein, eight electrode slices are divided into four electrode slice groups, and each electrode slice group comprises two electrode slices, and four electrode slice groups are cross symmetrical.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227549.4U CN204683596U (en) | 2015-04-15 | 2015-04-15 | A kind of electromagnetic wave signal blood processor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520227549.4U CN204683596U (en) | 2015-04-15 | 2015-04-15 | A kind of electromagnetic wave signal blood processor |
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| CN204683596U true CN204683596U (en) | 2015-10-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104720800A (en) * | 2015-04-15 | 2015-06-24 | 重庆博恩富克医疗设备有限公司 | Electromagnetic wave signal processing device |
| WO2016165218A1 (en) * | 2015-04-15 | 2016-10-20 | 重庆博恩富克医疗设备有限公司 | Signal detection device and method |
| WO2016165219A1 (en) * | 2015-04-15 | 2016-10-20 | 重庆博恩富克医疗设备有限公司 | Method and device for controlling electrode plate |
| CN110022179A (en) * | 2019-04-12 | 2019-07-16 | 重庆博恩富克医疗设备有限公司 | A kind of pumping signal processing system for brain edema monitor |
-
2015
- 2015-04-15 CN CN201520227549.4U patent/CN204683596U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104720800A (en) * | 2015-04-15 | 2015-06-24 | 重庆博恩富克医疗设备有限公司 | Electromagnetic wave signal processing device |
| WO2016165218A1 (en) * | 2015-04-15 | 2016-10-20 | 重庆博恩富克医疗设备有限公司 | Signal detection device and method |
| WO2016165219A1 (en) * | 2015-04-15 | 2016-10-20 | 重庆博恩富克医疗设备有限公司 | Method and device for controlling electrode plate |
| CN110022179A (en) * | 2019-04-12 | 2019-07-16 | 重庆博恩富克医疗设备有限公司 | A kind of pumping signal processing system for brain edema monitor |
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