CN106236091A - A kind of device detecting blood status and judge that electrode is to abnormal method - Google Patents
A kind of device detecting blood status and judge that electrode is to abnormal method Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6832—Means for maintaining contact with the body using adhesives
- A61B5/6833—Adhesive patches
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7271—Specific aspects of physiological measurement analysis
- A61B5/7275—Determining trends in physiological measurement data; Predicting development of a medical condition based on physiological measurements, e.g. determining a risk factor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
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Abstract
The invention provides a kind of device detecting blood status and judge electrode to abnormal method, this device includes: at least two detecting electrode to, voltage detection unit, authentication unit and judging unit；Detecting electrode is to including two detecting electrodes, and two detecting electrodes adhere to region, position to be detected, and the line of two detecting electrodes is by position to be detected；At least two detecting electrode pair, applies constant alternating current for treating detection position；Voltage detection unit, for detect respectively each detecting electrode between current voltage；Authentication unit, for according to each detecting electrode between current voltage, it is judged that the change in voltage trend of each detecting electrode pair is the most identical；Judging unit, for according to the judged result of authentication unit, if it is, according to each detecting electrode between current voltage judge the blood status of detected part, otherwise judgement detecting electrode is to exception.This programme can improve the accuracy detecting blood status.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly to a kind of device detecting blood status and judge electrode pair
Abnormal method.
Background technology
Human body has certain resistivity, owing to the difference of organizational structure causes the different electricity that human body different parts has
Resistance rate, except the difference of organizational structure, blood status is also the key factor affecting human body resistance rate.Owing to blood wrapping
Containing substantial amounts of metal ion, when the blood volume included when a certain position increases, the metal ion in blood can conduct well
Electric current, causes the resistivity at this position to decline；On the contrary, when the flowable blood included when a certain position reduces, owing to caning oneself
By the minimizing of the metal ion quantity of movement, the resistivity at this position is caused to rise.Human body can be detected according to such principle
The blood status at a certain position, it may be judged whether leakage blood or thrombosis occur.
At present, when the Resistivity testing thrombosis state according to human body, according to electrode between resistivity change judge
Whether blood or thrombosis are leaked in appearance.
Be directed to prior art judge to leak blood or the method for thrombosis according to change in resistance, when electrode between resistance
During rate generation large change, directly judge to occur leakage blood or thrombosis, but when electrode comes off from detection position, also result in
Electrode between resistivity have greatly changed, thus cause the accuracy that blood status is detected relatively low.
Summary of the invention
Embodiments provide a kind of device detecting blood status and judge that electrode is to abnormal method, it is possible to carrying
The high accuracy that blood status is detected.
Embodiments provide a kind of device detecting blood status, including: at least two detecting electrode to, voltage
Detector unit, authentication unit and judging unit；
Described detecting electrode is to including two detecting electrodes, and said two detecting electrode adheres to location, position to be detected
Territory, and the line of said two detecting electrode is by described position to be detected；
Described at least two detecting electrode pair, applies constant alternating current for treating detection position；
Described voltage detection unit, for detect respectively each described detecting electrode between current voltage；
Described authentication unit, for each described detecting electrode of detecting according to described voltage detection unit between
Current voltage, it is judged that the change in voltage trend of each described detecting electrode pair is the most identical；
Described judging unit, for the judged result according to described authentication unit, if it is, further according to described in each
Detecting electrode between current voltage judge the blood status of described detected part, otherwise judge that described detecting electrode is to different
Often.
Preferably,
Described authentication unit includes: trend computation subunit and Trend judgement subelement；
Described voltage detection unit, be further used for detecting respectively each described detecting electrode between initial electricity
Pressure；
Described trend computation subunit, for according to detecting electrode each described between described current voltage and
Described initial voltage, determines the change in voltage trend of each described detecting electrode pair, respectively wherein, when described current voltage is more than
Or during equal to described initial voltage, determine that described change in voltage trend is growth trend；When described current voltage is less than at the beginning of described
During beginning voltage, determine that described change in voltage trend is downward trend；
Described Trend judgement subelement, for each the described detecting electrode determined according to described trend computation subunit
To change in voltage trend, if the change in voltage trend of each described detecting electrode pair is growth trend or is decline and becomes
Gesture, it is judged that the change in voltage trend of each described detecting electrode pair is identical, otherwise judges the voltage of each described detecting electrode pair
Variation tendency is different.
Preferably,
Described judging unit, for according to the change in voltage trend of detecting electrode pair each described, performs following steps:
If the change in voltage trend of each described detecting electrode pair is growth trend, it is judged that each described detecting electrode
Whether centering exists the current voltage of at least one described detecting electrode pair and is more than or equal to the first default voltage threshold, if
It is, it is determined that thrombosis occurs in described position to be detected；
If the change in voltage trend of each described detecting electrode pair is downward trend, it is judged that each described detecting electrode
Whether centering exists the current voltage of at least one described detecting electrode pair is less than or equal to the second default voltage threshold, if
It is, it is determined that leakage blood occurs in described position to be detected；
Wherein, described first voltage threshold is more than described second voltage threshold.
Preferably,
This device farther includes: alarm unit；
Described alarm unit, for the judged result according to described judging unit, if it is decided that described detecting electrode is to different
Often, send a warning and show the description information that abnormal described detecting electrode pair occurs.
Preferably,
This device farther includes: power supply unit；
Said supply unit by wire respectively with detecting electrode each described to being connected；
Said supply unit, for according between two detecting electrodes to including of the detecting electrode each described away from
From, be respectively each described detecting electrode to provide respective frequencies alternating current, the frequency of wherein said alternating current with
Distance between the detecting electrode two detecting electrodes to including becomes negative correlation.
The embodiment of the present invention additionally provides the dress of a kind of any one detection blood status providing the embodiment of the present invention
Put the electrode that includes to carrying out the abnormal method judged, including:
Constant alternating current is applied to treating detection position by described at least two detecting electrode；
Detect respectively each described detecting electrode between current voltage；
According to detecting electrode each described between current voltage, it is judged that the change in voltage of each described detecting electrode pair
Trend is the most identical；
If it is, judge that described detecting electrode, to without exception, otherwise judges that described detecting electrode is to exception.
Preferably,
Described detect respectively each described detecting electrode between current voltage before farther include:
Detect respectively each described detecting electrode between initial voltage；
Further,
Described according to detecting electrode each described between current voltage, it is judged that the voltage of each described detecting electrode pair
Variation tendency is the most identical to be included:
According to detecting electrode each described between described current voltage and described initial voltage, determine each respectively
The change in voltage trend of described detecting electrode pair, wherein, when described current voltage is more than or equal to described initial voltage, determines
Described change in voltage trend is growth trend；When described current voltage is less than described initial voltage, determine described change in voltage
Trend is downward trend；
According to the change in voltage trend of detecting electrode pair each described, if the change in voltage of each described detecting electrode pair
Trend is growth trend or is downward trend, it is judged that the change in voltage trend of each described detecting electrode pair is identical, otherwise
Judge that the change in voltage trend of each described detecting electrode pair is different.
Preferably,
Farther include after the described detecting electrode of described judgement is to exception:
Send a warning, and show the description information that abnormal described detecting electrode pair occurs.
Preferably,
In the described advance by described at least two detecting electrode to treating the constant alternating current of detection position applying
One step includes:
According to the distance between two detecting electrodes to including of the detecting electrode each described, it is respectively described in each
Detecting electrode to providing the alternating current of respective frequencies, to including two of the frequency of wherein said alternating current and detecting electrode
Distance between detecting electrode becomes negative correlation.
Embodiments provide a kind of device detecting blood status and judge the electrode method to exception, due to often
One detecting electrode is to including two detecting electrodes, and the line of two detecting electrodes that each detecting electrode is to including
All by position to be detected, thus when the blood status at position to be detected changes, if detecting electrode is to not occurring
Abnormal, then the change in voltage trend of at least two detecting electrode pair is identical；Each detecting electrode is judged by authentication unit
To change in voltage trend the most identical, if the change in voltage trend of each detecting electrode pair is identical, it is judged that unit according to
Each electrode between current voltage judge the blood status of detected part, if the change in voltage of each detecting electrode pair becomes
Gesture is different, then judging unit judges that detecting electrode is abnormal to occurring.So, the blood status of detected part is judged at judging unit
Before, authentication unit judges that the change in voltage trend of each detecting electrode pair is the most identical, it is to avoid owing to detecting electrode is to appearance
The situation that the abnormal conditions such as come off cause judging unit to judge detected part blood status by accident occurs, and improves blood shape
State carries out the accuracy detected.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
These accompanying drawings obtain other accompanying drawing.
Fig. 1 is a kind of device schematic diagram detecting blood status that one embodiment of the invention provides；
Fig. 2 is a kind of device schematic diagram detecting blood status that another embodiment of the present invention provides；
Fig. 3 is the signal of the device of a kind of detection blood status including alarm unit that one embodiment of the invention provides
Figure；
Fig. 4 is the signal of the device of a kind of detection blood status including power supply unit that one embodiment of the invention provides
Figure；
Fig. 5 is that a kind of of one embodiment of the invention offer judges that electrode is to abnormal method flow diagram；
Fig. 6 is that a kind of of another embodiment of the present invention offer judges that electrode is to abnormal method flow diagram；
Fig. 7 is the position schematic diagram of a kind of detecting electrode pair that one embodiment of the invention provides.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained on the premise of not making creative work, broadly falls into the scope of protection of the invention.
As it is shown in figure 1, embodiments provide a kind of device detecting blood status, including: at least two detects
Electrode is to 101, voltage detection unit 102, authentication unit 103 and judging unit 104；
Described at least two detecting electrode includes two detecting electrodes to 101, and said two detecting electrode adheres to be checked
Survey region, position, and the line of said two detecting electrode is by described position to be detected；
Described at least two detecting electrode, to 101, applies constant alternating current for treating detection position；
Described voltage detection unit 102, for detect respectively each described detecting electrode to 101 between current voltage；
Described authentication unit 103, for each the described detecting electrode pair detected according to described voltage detection unit 102
Current voltage between 101, it is judged that each described detecting electrode is the most identical to the change in voltage trend of 101；
Described judging unit 104, for the judged result according to described authentication unit 103, if it is, further according to each
Individual described detecting electrode judges the blood status of described detected part to the current voltage between 101, otherwise judges described detection
Electrode is to exception.
Embodiments provide a kind of device detecting blood status, owing to each detecting electrode is to including two
Individual detecting electrode, and the line of two detecting electrodes that each detecting electrode is to including is all by position to be detected, thus
When the blood status at position to be detected changes, if detecting electrode is not to there is exception, then at least two detection electricity
Extremely to change in voltage trend be identical；The change in voltage trend whether phase of each detecting electrode pair is judged by authentication unit
With, if the change in voltage trend of each detecting electrode pair is identical, it is judged that unit according to each electrode between current electricity
Pressure judges the blood status of detected part, if the change in voltage trend of each detecting electrode pair is different, then judging unit judges
Detecting electrode is abnormal to occurring.So, before judging unit judges the blood status of detected part, authentication unit judges each
The change in voltage trend of detecting electrode pair is the most identical, it is to avoid owing to the abnormal conditions such as occur coming off are caused judgement by detecting electrode
The situation that detected part blood status is judged by accident by unit occurs, and improves the accuracy detecting blood status.
In the present invention one is described, as in figure 2 it is shown, authentication unit 103 includes: trend computation subunit 1031 and trend
Judgment sub-unit 1032；
Voltage detection unit 102, is further used for detecting between two electrodes that each detecting electrode includes 101
Initial voltage；
Trend computation subunit 1031, for according to each detecting electrode to the current voltage between 101 and initial electricity
Pressure, determines the change in voltage trend of each detecting electrode pair respectively, wherein, if current voltage is more than or equal to initial voltage,
Determine that change in voltage trend is growth trend；If current voltage is less than initial voltage, determine that change in voltage trend is that decline becomes
Gesture；
Trend judgement subelement 1032, for each detecting electrode pair of determining according to trend computation subunit 1031
Voltage transformation trend, if the change in voltage trend of each detecting electrode pair is growth trend or is downward trend, it is judged that
The change in voltage trend of each detecting electrode pair is identical, otherwise judges that the change in voltage trend of each detecting electrode pair is different.
After detecting electrode is adhered to detected part region to 101, because the blood status of now detected part
Being known, detecting electrode is normal condition to the impedance between 101, detects now each inspection by voltage detection unit 102
Survey the voltage between two detecting electrodes that electrode includes to 101, as the corresponding detecting electrode initial voltage to 101；
Being directed to each detecting electrode to 101,101 correspondences are worked as by trend computation subunit 1031 by this detecting electrode
Front voltage compares with initial voltage, if current voltage is more than or equal to initial voltage, determines that this detecting electrode is to 101
Change in voltage trend is growth trend, if current voltage is less than initial voltage, determines this detecting electrode change in voltage to 101
Trend is downward trend；
The change in voltage trend that Trend judgement subelement 1032 is determined according to trend computation subunit 1031, if each
Detecting electrode is ascendant trend to the change in voltage trend of 101, or each detecting electrode to 101 change in voltage trend equal
For downward trend, then judge each detecting electrode to 101 variation tendency identical, otherwise judge that each detecting electrode is to 101
Variation tendency is different.
The line of two detecting electrodes included 101 due to each detecting electrode all passes through position to be detected, if treated
The blood status at detection position changes, then the resistivity between each detecting electrode two detecting electrodes to including is equal
The change of same trend can occur, such as when leakage blood occurs in position to be detected, two detections to including of each detecting electrode
Resistivity between electrode reduces, when there is thrombosis in position to be detected, and each detecting electrode two detecting electrodes to including
Between resistivity increase；But, if some detecting electrode comes off from region, position to be detected, then this detection that comes off
Resistivity between electrode with corresponding detecting electrode will appear from significantly increasing, and two detection electricity that other detecting electrodes are to including
Resistivity between pole may constant, be decreased or increased.By comparing the change in voltage trend of each detecting electrode pair, can be true
Each detecting electrode fixed is to whether the abnormal conditions such as detecting electrode comes off occur.
In an embodiment of the invention, as in figure 2 it is shown, judge each detecting electrode at Trend judgement subelement 1032
After change in voltage trend to 101 is identical, if each detecting electrode to 101 change in voltage trend be growth trend, then
Judging unit 104 judges each detecting electrode to whether there is at least one detecting electrode current voltage to 101 in 101 is more than
Or equal to the first voltage threshold preset, if it is, judge that thrombosis occurs in position to be detected；If each detecting electrode is to 101
Change in voltage trend be downward trend, then judging unit 104 judges whether each detecting electrode exists at least one in 101
Individual detecting electrode is less than or equal to the second default voltage threshold, if it is, judge that position to be detected goes out to the current voltage of 101
Now leak blood；Wherein the first voltage threshold is more than the second voltage threshold.
Presetting the first voltage threshold and the second voltage threshold, wherein the first voltage threshold is more than each detecting electrode to 101
Between initial voltage, the second voltage threshold less than each detecting electrode to the initial voltage between 101.When position to be detected goes out
During existing thrombosis, the metal ion that can move freely in position to be detected reduces, two detection electricity that detecting electrode includes 101
Impedance between pole increases, and causes each detecting electrode to increase, the current voltage between 101 when any one detecting electrode pair
After current voltage between 101 is more than or equal to the first voltage threshold preset, illustrate that certain journey has occurred in position to be detected
The thrombosis of degree, it is judged that unit 104 judges that thrombosis occurs in position to be detected.When leakage blood occurs in position to be detected, blood is to be checked
Survey position is assembled, and the metal ion that can move freely in position to be detected increases, two detections that detecting electrode includes 101
Impedance between detecting electrode reduces, and causes each detecting electrode to reduce the current voltage between 101, when any one detects
After electrode is less than or equal to, to the current voltage between 101, the second voltage threshold preset, illustrate that position to be detected is the most aggregated
A certain amount of blood, it is judged that unit 104 judges that leakage blood occurs in position to be detected.
By by each detecting electrode between current voltage with preset the first voltage threshold and the second voltage threshold
Compare, it can be determined that whether position to be detected occurs leaking blood or blood clotting, improve this detection blood and the device of state
The suitability.
In an embodiment of the invention, as it is shown on figure 3, the device of detection blood status can also include: alarm unit
305；
Alarm unit 305 is connected with judging unit 104, alarm unit 305 according to the judged result of judging unit 104, when
When judging unit 104 judges detecting electrode to 101 exception, alarm unit 305 sends a warning, and shows abnormal inspection occur
Survey the electrode description information to 101.
When judging unit 104 judges there is detecting electrode during each detecting electrode is to 101 to appearance exception, alarm unit
305 send a warning with the form of sound or image, and open up the description information abnormal detecting electrode pair occur
Show；After the warning information receiving alarm unit 305, the description information shown according to alarm unit 305, it may be determined that specifically
Abnormal detecting electrode pair occurs such that it is able to find occur coming off or the detecting electrode pair of operation irregularity in time, and to appearance
Abnormal detecting electrode is to processing in time, it is ensured that the device of detection blood status can treat the blood at detection position exactly
Liquid status detects, and improves the reliability of the device of this detection blood status.
In an embodiment of the invention, as shown in Figure 4, the device of this detection blood status also includes: power supply unit
406；
Power supply unit 406 is connected to 101 with each detecting electrode by wire, is directed to each detecting electrode to 101,
Distance between two detecting electrodes that power supply unit 406 includes 101 according to this detecting electrode, for this detecting electrode to offer
The alternating current of respective frequencies, wherein between frequency and this detecting electrode two detecting electrodes to including of alternating current away from
From becoming negative correlation.
Each detecting electrode adheres to the region at place, position to be detected to 101, due to position to be detected shape not
Completely rule, causes the distance between two detecting electrodes that each detecting electrode includes 101 and differs；When two detections
Electrode between distance bigger time, in order to ensure that alternating current can pass position to be detected, the frequency of alternating current needs
Less than certain value, because the frequency of alternating current is the least, penetration capacity is the strongest.Power supply unit 406 is according to each detecting electrode
Distance between two detecting electrodes included 101, is respectively each detecting electrode and provides respective frequencies and constant to 101
The alternating current of size, it is ensured that alternating current can be by each detecting electrode to the detected part between 101, and raising is treated
The blood status at survey position carries out the accuracy detected.
As it is shown in figure 5, one embodiment of the invention provides a kind of any one detection providing the embodiment of the present invention
The electrode that the device of blood status includes is to carrying out the abnormal method judged, the method may comprise steps of:
Step 501: apply constant alternating current to treating detection position by described at least two detecting electrode；
Step 502: detect respectively each described detecting electrode between current voltage；
Step 503: according to detecting electrode each described between current voltage, it is judged that each described detecting electrode pair
Change in voltage trend is the most identical, if performing step 504, otherwise performs step 505；
Step 504: judge that described detecting electrode is to without exception；
Step 505: judge that described detecting electrode is to exception
In an embodiment of the invention, farther include before in step 503: detect each described detection respectively
Electrode between initial voltage；
Correspondingly,
In step 503 according to detecting electrode each described between current voltage, it is judged that each described detecting electrode
To change in voltage trend the most identical include:
According to detecting electrode each described between described current voltage and described initial voltage, determine each respectively
The change in voltage trend of described detecting electrode pair, wherein, when described current voltage is more than or equal to described initial voltage, determines
Described change in voltage trend is growth trend；When described current voltage is less than described initial voltage, determine described change in voltage
Trend is downward trend；
According to the change in voltage trend of detecting electrode pair each described, if the change in voltage of each described detecting electrode pair
Trend is growth trend or is downward trend, it is judged that the change in voltage trend of each described detecting electrode pair is identical, otherwise
Judge that the change in voltage trend of each described detecting electrode pair is different.
In an embodiment of the invention, farther include after step 505: send a warning, and show appearance
The description information of abnormal described detecting electrode pair.
In an embodiment of the invention, farther included before step 501: according to detecting electrode pair each described
Including two detecting electrodes between distance, be respectively each described detecting electrode to provide respective frequencies alternation electricity
Stream, the distance between the frequency of wherein said alternating current and detecting electrode two detecting electrodes to including becomes negative correlation.
Below as a example by including that two detecting electrodes are to detecting the device of blood status, the electrode pair that this device is included
Carrying out the abnormal method judged to be described further, as shown in Figure 6, this control method may include steps of:
Step 601: by detecting electrode to adhering to region, position to be detected.
In an embodiment of the invention, when needing the device detection blood status by detection blood status, will inspection
At least two detecting electrode that the device of survey blood status includes is to adhering to region, position to be detected, and each of which is examined
Survey the line of the electrode two detecting electrodes to including by position to be detected.
Such as, the device of detection blood status includes 2 detecting electrodes pair, as it is shown in fig. 7, first detecting electrode is to bag
Including detecting electrode 7011 and detecting electrode 7012, second detecting electrode is to including detecting electrode 7021 and detecting electrode 7022；
Detecting electrode 7011, detecting electrode 7012, detecting electrode 7021 and detecting electrode 7022 are adhered to place, position 703 to be detected
On the epidermis 704 in region, make detecting electrode 7011 and the line of detecting electrode 7012 and detecting electrode 7021 and detecting electrode
The line of 7022 passes through position 703 to be detected.
Step 602: be that each detecting electrode is to power supply by power supply unit.
In an embodiment of the invention, by detecting electrode to adhering to region, position to be detected after, by power supply
Unit to each detecting electrode to provide constant size alternating current.Each detecting electrode two detecting electrodes to including
Between distance different, power supply unit is the most different to the frequency of each detecting electrode alternating current to providing, alternating current
Frequency and detecting electrode between distance become negative correlation.
Such as, as it is shown in fig. 7, between first detecting electrode detecting electrode 7011 and detecting electrode 7012 to including
Distance is 10cm, and the distance between second detecting electrode detecting electrode 7021 and detecting electrode 7022 to including is 15cm,
Power supply unit to first detecting electrode to and second detecting electrode to when being powered, to the first detecting electrode to offer
The alternating current of 50Hz constant size, to second detecting electrode alternating current to providing 30Hz constant size.
Step 603: by voltage detection unit detect each detecting electrode between initial voltage.
In an embodiment of the invention, by power supply unit to each detecting electrode to being powered after, be directed to
Each detecting electrode pair, detects the electricity between this detecting electrode two detecting electrodes to including by voltage detection unit
Pressure, using the magnitude of voltage that detects as this detecting electrode to corresponding initial voltage.
Such as, by power supply unit to first detecting electrode to and second detecting electrode to being powered after, vertical
I.e. detect the magnitude of voltage U1 between detecting electrode 7011 and detecting electrode 7012 and detecting electrode respectively by voltage detection unit
Magnitude of voltage U2 between 7021 and detecting electrode 7022, using the U1 that detects as first detecting electrode to corresponding initial electricity
Pressure, using the U2 that detects as second detecting electrode to corresponding initial voltage.
Step 604: by voltage detection unit detect each detecting electrode between current voltage.
In an embodiment of the invention, often through a default interval time, each by voltage detection unit detection
Voltage between the individual detecting electrode two detecting electrodes to including, using the magnitude of voltage that detects as this detecting electrode to correspondence
Current voltage in current time.
Such as, often through 5s, by voltage detection unit to the voltage between detecting electrode 7011 and detecting electrode 7012
Magnitude of voltage between value and detecting electrode 7021 and detecting electrode 7022 carries out one-time detection, the detecting electrode 7011 that will detect
And the current voltage that this is detected by the magnitude of voltage U3 between detecting electrode 7012 as first detecting electrode, by detect
The current electricity that this is detected by the magnitude of voltage U4 between detecting electrode 7021 and detecting electrode 7022 as second detecting electrode
Pressure.
Step 605: judged that by authentication unit the change in voltage trend of each detecting electrode pair is the most identical, if it is,
Perform step 606, otherwise perform step 608.
In an embodiment of the invention, voltage detecting power detecting go out each detecting electrode between current voltage
After, be directed to each detecting electrode pair, authentication unit according to this detecting electrode to corresponding initial voltage and current voltage, really
The change in voltage trend of this detecting electrode pair fixed, if current voltage is more than or equal to initial voltage, determines this detecting electrode pair
Change in voltage trend be growth trend, if current voltage less than initial voltage, determines the change in voltage of this detecting electrode pair
Trend is downward trend.By authentication unit judge the change in voltage trend of each detecting electrode pair whether be growth trend or
It is downward trend, if it is, judge that the change in voltage trend of each detecting electrode pair is identical, correspondingly performs step 606, no
Then judge that the change in voltage trend of each detecting electrode pair is different, correspondingly perform step 608.
Such as, by first detecting electrode to corresponding current voltage U3 compared with corresponding initial voltage U1, if U3
>=U1, determines that the change in voltage trend of the first detecting electrode pair is growth trend, otherwise determines the voltage of the first detecting electrode pair
Variation tendency is downward trend；By the second detecting electrode to corresponding current voltage U4 compared with corresponding initial voltage U2, as
Really U4 >=U2, determines that the change in voltage trend of the second detecting electrode pair is growth trend, otherwise determines the second detecting electrode pair
Change in voltage trend is downward trend.Judge that the first detecting electrode becomes for the voltage of the second detecting electrode pair by authentication unit
Change trend is the most identical, if the change in voltage trend of the first detecting electrode pair and the second detecting electrode pair be growth trend or
It is downward trend, performs step 606, otherwise perform step 608.
Step 606: judge that detecting electrode is to without exception by judging unit.
In an embodiment of the invention, authentication unit judge each detecting electrode between change in voltage trend phase
After Tong, illustrate that each detecting electrode, to all adhering to region, position to be detected, does not fall off etc. abnormal, can be normal
Treat detection region blood status detect.
Step 607: the current voltage utilizing voltage detection unit to detect judges blood status, and terminates current process.
In an embodiment of the invention, obtain each detecting electrode between current voltage after, it is possible to use should
Current voltage carries out follow-up various required process, such as, by each detecting electrode between current voltage with by other
Equipment or the first voltage threshold realizing obtaining are compared, and determine whether position to be detected thrombosis occurs；Certainly, utilization detects
Current voltage can also carry out other and process, such as, by each detecting electrode between current voltage with by experience or
The second voltage threshold that blood testing records compares, and determines whether position to be detected leakage blood occurs.
Step 608: judge that detecting electrode is abnormal to occurring, by alarm unit alert, and shows that appearance is different
The description information of normal detecting electrode pair.
In an embodiment of the invention, judge that the change in voltage trend of each detecting electrode pair is different when authentication unit
After, it is judged that it is abnormal to occurring that unit judges that each detecting electrode centering exists detecting electrode, sends alarm signal by alarm unit
Breath, prompting user's detecting electrode is abnormal to occurring, and shows abnormal detecting electrode pair occur by sound or image to user
Description information.
Such as, when the change in voltage trend of first detecting electrode pair is growth trend, the electricity of the second detecting electrode pair
Pressure variation tendency is downward trend, sends the detecting electrode warning message to appearance exception by alarm unit, and passes through image
Show abnormal detecting electrode occurs to for the second detecting electrode pair.
The embodiment of the present invention provide detection blood status device and judge electrode to exception method, at least have as
Lower beneficial effect:
1, the embodiment of the present invention provide detection blood status device and judge electrode to exception method in, due to
Each detecting electrode is to including two detecting electrodes, and the company of two detecting electrodes that each detecting electrode is to including
Line is all by position to be detected, thus when the blood status at position to be detected changes, if detecting electrode is to not going out
Now abnormal, then the change in voltage trend of at least two detecting electrode pair is identical；Each detection electricity is judged by authentication unit
Extremely to change in voltage trend the most identical, if the change in voltage trend of each detecting electrode pair is identical, it is judged that unit root
According to each electrode between current voltage judge the blood status of detected part, if the change in voltage of each detecting electrode pair
Trend is different, then judging unit judges that detecting electrode is abnormal to occurring.So, the blood shape of detected part is judged at judging unit
Before state, authentication unit judges that the change in voltage trend of each detecting electrode pair is the most identical, it is to avoid owing to detecting electrode is to going out
The situation that the abnormal conditions such as now come off cause judging unit to judge detected part blood status by accident occurs, and improves blood
State carries out the accuracy detected.
2, the embodiment of the present invention provide detection blood status device and judge electrode to exception method in, pass through
Corresponding current voltage is compared by each detecting electrode with the first voltage threshold preset and the second voltage threshold, permissible
Judge whether position to be detected occurs leaking blood or blood clotting, both may determine that position to be detected by the device of this detection blood status
Appearance leakage blood, may determine that again whether position to be detected thrombosis occurs, improves device suitable of this detection blood status
The property used.
3, the embodiment of the present invention provide detection blood status device and judge electrode to exception method in, work as inspection
Survey electrode to occur abnormal after, alarm unit can in time alarm user detecting electrode to have occurred that come off etc. different
Often, and show the description information that abnormal detecting electrode pair occurs, the description information that user shows according to alarm unit can and
Time to detecting electrode to occur exception process, it is ensured that the device of this detection blood status can treat test section exactly
The blood status of position detects, and improves the reliability of the device of this detection blood status.
4, the device of the detection blood status provided in the embodiment of the present invention and judge that electrode, in abnormal method, is powered
Unit can be according to the distance between detecting electrode, for different detecting electrodes to providing the alternating current with different frequency；
Owing to the alternating current of different frequency has different penetration capacitys, according to detecting electrode between distance be different detections
Electrode to provide different frequency alternating current, it is ensured that alternating current can by each detecting electrode between portion to be measured
Position, improves the accuracy that the blood status to detected part detects.
It should be noted that in this article, the relational terms of such as first and second etc is used merely to an entity
Or operation separates with another entity or operating space, and not necessarily require or imply existence between these entities or operation
The relation of any this reality or order.And, term " includes ", " comprising " or its any other variant are intended to non-
Comprising of exclusiveness, so that include that the process of a series of key element, method, article or equipment not only include those key elements,
But also include other key elements being not expressly set out, or also include being consolidated by this process, method, article or equipment
Some key elements.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that including
The process of described key element, method, article or equipment there is also other same factor.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can be passed through
The hardware that programmed instruction is relevant completes, and aforesaid program can be stored in the storage medium of embodied on computer readable, this program
Upon execution, perform to include the step of said method embodiment；And aforesaid storage medium includes: ROM, RAM, magnetic disc or light
In the various medium that can store program code such as dish.
Last it should be understood that the foregoing is only presently preferred embodiments of the present invention, it is merely to illustrate the skill of the present invention
Art scheme, is not intended to limit protection scope of the present invention.All made within the spirit and principles in the present invention any amendment,
Equivalent, improvement etc., be all contained in protection scope of the present invention.
Claims (9)
1. the device detecting blood status, it is characterised in that including: at least two detecting electrode to, voltage detection unit,
Authentication unit and judging unit；
Described detecting electrode is to including two detecting electrodes, and said two detecting electrode adheres to region, position to be detected,
And the line of said two detecting electrode is by described position to be detected；
Described at least two detecting electrode pair, applies constant alternating current for treating detection position；
Described voltage detection unit, for detect respectively each described detecting electrode between current voltage；
Described authentication unit, for each described detecting electrode of detecting according to described voltage detection unit between current
Voltage, it is judged that the change in voltage trend of each described detecting electrode pair is the most identical；
Described judging unit, for the judged result according to described authentication unit, if it is, further according to detection each described
Electrode between current voltage judge the blood status of described detected part, otherwise judge that described detecting electrode is to exception.
Device the most according to claim 1, it is characterised in that
Described authentication unit includes: trend computation subunit and Trend judgement subelement；
Described voltage detection unit, be further used for detecting respectively each described detecting electrode between initial voltage；
Described trend computation subunit, for according to detecting electrode each described between described current voltage and described
Initial voltage, determines the change in voltage trend of each described detecting electrode pair respectively, wherein, when described current voltage more than or etc.
When described initial voltage, determine that described change in voltage trend is growth trend；When described current voltage is less than described initial electricity
During pressure, determine that described change in voltage trend is downward trend；
Described Trend judgement subelement, for each described detecting electrode pair of determining according to described trend computation subunit
Change in voltage trend, if the change in voltage trend of each described detecting electrode pair is growth trend or is downward trend,
Judge that the change in voltage trend of each described detecting electrode pair is identical, otherwise judge the change in voltage of each described detecting electrode pair
Trend is different.
Device the most according to claim 2, it is characterised in that
Described judging unit, for according to the change in voltage trend of detecting electrode pair each described, performs following steps:
If the change in voltage trend of each described detecting electrode pair is growth trend, it is judged that each described detecting electrode centering
The current voltage that whether there is at least one described detecting electrode pair is more than or equal to the first default voltage threshold, if it is,
Judge that thrombosis occurs in described position to be detected；
If the change in voltage trend of each described detecting electrode pair is downward trend, it is judged that each described detecting electrode centering
The current voltage that whether there is at least one described detecting electrode pair is less than or equal to the second default voltage threshold, if it is,
Judge that leakage blood occurs in described position to be detected；
Wherein, described first voltage threshold is more than described second voltage threshold.
Device the most according to claim 1, it is characterised in that farther include: alarm unit；
Described alarm unit, for the judged result according to described judging unit, if it is decided that described detecting electrode, to exception, is sent out
Go out warning information and show the description information that abnormal described detecting electrode pair occurs.
5. according to described device arbitrary in Claims 1-4, it is characterised in that farther include: power supply unit；
Said supply unit by wire respectively with detecting electrode each described to being connected；
Said supply unit, for according to the distance between two detecting electrodes to including of the detecting electrode each described, point
Not for each described detecting electrode to provide respective frequencies alternating current, the frequency of wherein said alternating current with detection electricity
Extremely the distance between two detecting electrodes included is become negative correlation.
6. the electrode including the device of described detection blood status arbitrary in claim 1 to 5 is to carrying out abnormal judgement
Method, it is characterised in that including:
Constant alternating current is applied to treating detection position by described at least two detecting electrode；
Detect respectively each described detecting electrode between current voltage；
According to detecting electrode each described between current voltage, it is judged that the change in voltage trend of each described detecting electrode pair
The most identical；
If it is, judge that described detecting electrode, to without exception, otherwise judges that described detecting electrode is to exception.
Method the most according to claim 6, it is characterised in that
Described detect respectively each described detecting electrode between current voltage before farther include:
Detect respectively each described detecting electrode between initial voltage；
Further,
Described according to detecting electrode each described between current voltage, it is judged that the change in voltage of each described detecting electrode pair
Trend is the most identical to be included:
According to detecting electrode each described between described current voltage and described initial voltage, determine respectively described in each
The change in voltage trend of detecting electrode pair, wherein, when described current voltage is more than or equal to described initial voltage, determines described
Change in voltage trend is growth trend；When described current voltage is less than described initial voltage, determine described change in voltage trend
For downward trend；
According to the change in voltage trend of detecting electrode pair each described, if the change in voltage trend of each described detecting electrode pair
It is growth trend or is downward trend, it is judged that the change in voltage trend of each described detecting electrode pair is identical, otherwise judges
The change in voltage trend of each described detecting electrode pair is different.
Method the most according to claim 6, it is characterised in that
Farther include after the described detecting electrode of described judgement is to exception:
Send a warning, and show the description information that abnormal described detecting electrode pair occurs.
9. according to described method arbitrary in claim 6 to 8, it is characterised in that
Taking a step forward of constant alternating current is applied by described at least two detecting electrode to treating detection position described
Including:
According to the distance between two detecting electrodes to including of the detecting electrode each described, it is respectively each described detection
The electrode alternating current to offer respective frequencies, the frequency of wherein said alternating current and the detecting electrode two detections to including
Distance between electrode becomes negative correlation.
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| CN201610756139.8A CN106236091A (en) | 2016-08-30 | 2016-08-30 | A kind of device detecting blood status and judge that electrode is to abnormal method |
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Cited By (1)
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| CN110613449A (en) * | 2019-09-23 | 2019-12-27 | 清华大学 | Degradable flexible blood vessel detection device and system |
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Application publication date: 20161221 |