CN106580322A - Human body impedance measuring method with high repeatability - Google Patents
Human body impedance measuring method with high repeatability Download PDFInfo
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- CN106580322A CN106580322A CN201611158118.2A CN201611158118A CN106580322A CN 106580322 A CN106580322 A CN 106580322A CN 201611158118 A CN201611158118 A CN 201611158118A CN 106580322 A CN106580322 A CN 106580322A
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- impedance
- human
- dynamic
- human 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
- A61B5/05—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
- A61B5/0537—Measuring body composition by impedance, e.g. tissue hydration or fat content
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4869—Determining body composition
Abstract
The invention discloses a human body impedance measuring method with high repeatability. The method comprises the following steps: acquiring human body impedance, and comparing the acquired human body impedance with historical human body impedance; determining whether the impedance measuring value time is within a threshold value T, and conducting adjustment through time dynamic adjusting coefficients; determining whether comparison results are within an impedance threshold value, and conducting adjustment through impedance dynamic adjusting coefficients; and outputting impedance of all parts of a human body.
Description
Technical field
The invention belongs to the technical field of human body impedance measuring, more particularly to a kind of human impedance with high duplication
Measuring method.
Background technology
At present, science, the ease for use of bioelectrical impedance analysis measurement human body component is generally accepted.Lot of domestic and international
Researcher conducts in-depth research to bioelectrical impedance analysis measurement human body component, and content mainly includes Modeling Theory, resistance
The research of anti-e measurement technology and measurement apparatus.
And to be bio-electrical impedance have preferably repeatability on bases of these researchs, so just can be conducive to Modeling Theory,
The research of accounting equation, more accurately analyzes human body component, so as to experimenter be more apparent from self component content and
Distribution situation even can predict potential disease.
But human body is a dynamic system, even if improving certainty of measurement, expression effect is simultaneously in terms of electrical impedance repeatability
It is not fine, is so unfavorable for follow-up Modeling Theory.
As patent application 201310021901.4 discloses a kind of multifrequency bio-impedance testing system, including bio-impedance values
Measurement apparatus and manipulation center, the utility model structure using bio-impedance value measurement mechanism stimulus signal occur module according to
Heterogeneity sends multiple-frequency signal and transmits to bio-impedance values computing module in human body body, will at bio-impedance values computing module
Resulting multiple-frequency signal is converted to bio-impedance values in data analysis module, and data analysis module is according to corresponding bio-impedance
The change of composition in value analysis human body body generates output report to manipulating center；The utility model adopts multifrequency output signal, keeps away
Exempt to obtain false bio-impedance values because of the change of body weight, body fluid solid content or fat content, so as to obtain void
False human health status information；Bio-impedance value measurement mechanism can be far apart with manipulation center, is easy to manipulation and corresponding doctor
Real-time tracing of the shield personnel to the health of patient.However, the system is that module occurs using stimulus signal to send multifrequency letter
Number transmit to bio-impedance values computing module, at bio-impedance values computing module by multiple-frequency signal be converted to bio-impedance values in
Data analysis module, data analysis module generates output report, and electrical impedance repeatability aspect expression effect is not fine.
The content of the invention
Based on this, thus the primary mesh of the present invention be to provide a kind of human impedance measurement side with high duplication
Method, the detecting method can truly reflect rate of change of the human impedance in the case where larger time span was entered, in conjunction with multiband
Human impedance e measurement technology, makes experimenter have a clear understanding of self component content and distribution situation.
Another mesh ground of the present invention is to provide a kind of human impedance measuring method with high duplication, the method
Simplicity is realized, it is with low cost.
For achieving the above object, the technical scheme is that：
A kind of human impedance measuring method with high duplication, it is characterised in that steps of the method are：
101st, human impedance is gathered；
102nd, the human impedance of collection and history human impedance are contrasted；
103rd, judge the impedance bioelectrical measurement value time whether in threshold values T；If dynamic using the time in time threshold T
The α 1 of state regulation coefficient 1, otherwise using the time dynamic α 2 of regulation coefficient 2.
104th, electrical impedance is contrasted, is judged whether in the range of impedance threshold；If in impedance threshold Z, if in impedance
In threshold value, then using the impedance dynamic β 1 of regulation coefficient 1, otherwise using the impedance dynamic β 2 of regulation coefficient 2；
105th, elapsed time dynamic adjustment and the partes corporis humani position electrical impedance after impedance dynamic adjustment are exported.
In 101 step, using the human body impedance measuring technology of multiband 5KHz, 50KHz, 250KHz to human body upper right
Limb, left upper extremity, right lower extremity, left lower extremity, body part longitudinal direction, oblique body part, body part top, body part bottom carry out electrical impedance
Measurement, is respectively designated as R1, R2, R3, R4, R5, R6, r1, r2.
In 102 step, impedance R1 that human body different parts are measured under 5KHz, 50KHz, 250KHz, R2, R3,
Each position impedance bioelectrical measurement value time of R4, R5, R6, r1, r2 and history human body compares, and calculate time threshold affects on electrical impedance
Contribution, time dynamic electric impedance adjustment is carried out to R1, R2, R3, R4, R5, R6, r1, r2.
Concrete dynamic electric impedance adjustment is as follows：Time threshold is designated as T, when more than T, using dynamic regulation coefficient α 2, when
During less than T, using dynamic regulation coefficient α 1, wherein α 1<α2.
In 104 step, impedance R1 that human body different parts are measured under 5KHz, 50KHz, 250KHz, R2, R3,
R4, R5, R6, r1, r2 and history human body each position impedance bioelectrical measurement value impedance comparison, computing impedance threshold value affects on electrical impedance
Contribution, impedance dynamic electric impedance adjustment is carried out to R1, R2, R3, R4, R5, R6, r1, r2.
Concrete dynamic electric impedance adjustment is as follows：Impedance threshold is designated as Z, when more than Z, using dynamic regulation coefficient β 2, when
During less than Z, using dynamic regulation coefficient β 1, wherein β 1<β2.
The high duplication human impedance measuring method that the present invention is realized, by time threshold values and impedance threshold come dynamic
To adjust the repeatability of human impedance, it is possible to increase the repeatability of human impedance, can truly reflect that human impedance is entering
The rate of change crossed under larger time span, this is greatly conducive to the research of follow-up Modeling Theory, accounting equation, is conducive to carrying
High Consumer's Experience.
Description of the drawings
Fig. 1 is the segment impedance of human body distribution schematic diagram that the present invention is implemented.
Fig. 2 is the control flow chart that the present invention is implemented.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
Fig. 1 show the segment impedance of human body that the high duplication human impedance measuring method realized of the invention is adopted
Distribution schematic diagram, human-body biological electrical impedance 5KHz, 50KHz, 250KHz multibands collection need 8 electrodes, be respectively designated as E1,
E2、E3、E4、E5、E6、E7、E8.Right upper extremity, left upper extremity, right lower extremity, left lower extremity, body part are longitudinal, body part is oblique, body part
Top, body part bottom carry out impedance bioelectrical measurement, are represented with R1, R2, R3, R4, R5, R6, r1, r2 respectively.Electrode E1, E3, E5,
E7 is used as exciting current input, and electrode E2, E4, E6, E8 are used as voltage signal measurement end.Two hands, bipod and trunk
Boundary position represents respectively with mark A, B, C, D, in FIG, rm, rn, ro, rp, rq, rr, rs, rt be respectively the right hand, left hand,
Right crus of diaphragm, impedance and these electrodes contact between skin surface of the perienchyma of the respective contact site of 2 electrodes of left foot
The sum of impedance.When E1 and E3 applies an electric current, the equiva lent impedance of body part is r1 between A-B, when to E5 and E7 applyings one
During individual electric current, body part equiva lent impedance is r2 between C-D；When to E1 and E5 or when each electric current is applied between E3 and E7,
Body part equiva lent impedance is R5 between A-C or B-D, when to applying electric current between E1 and E7, body part between A-D or between B-C
Equiva lent impedance be R6. when electric current I flows into the right hand and during left hand by galvanic electrode E1 and E3, electric current flows through rm, R1, r1, R2 and
Ro, now measurement obtains between right hand electrode and left hand electrodes voltage and calculates body parts impedance, and using 5KHz, 50KHz,
250KHz multibands measuring human impedance, by human impedance store-memory.
The method realized of the present invention, idiographic flow is：
101st, human impedance is gathered.
102nd, the human impedance of collection and history human impedance are contrasted.Specifically, by human body difference portion
Impedance R1, R2, R3, R4, R5, R6, r1, r2 and each position of history human body that position measures under 5KHz, 50KHz, 250KHz is electric
The impedance measurements time compares, and calculate time threshold affects contribution to electrical impedance, to R1, R2, R3, R4, R5, R6, r1, r2
The time of carrying out dynamic electric impedance adjustment.
103rd, judge the impedance bioelectrical measurement value time whether in threshold values T.If dynamic using the time in time threshold T
The α 1 of state regulation coefficient 1, otherwise using the time dynamic α 2 of regulation coefficient 2.
104th, electrical impedance is contrasted, is judged whether in the range of impedance threshold.Again by human body different parts 5KHz, 50KHz,
Impedance R1, R2, R3, R4, R5, R6, r1, r2 for measuring under 250KHz and history human body each position impedance bioelectrical measurement value impedance ratio
Compared with computing impedance threshold value affects contribution to electrical impedance, and to R1, R2, R3, R4, R5, R6, r1, r2 impedance dynamic electric resistor is carried out
Anti- adjustment.If in impedance threshold Z, if in impedance threshold, using the impedance dynamic β 1 of regulation coefficient 1, otherwise adopted
The impedance dynamic β 2 of regulation coefficient 2.
105th, elapsed time dynamic adjustment and the partes corporis humani position electrical impedance after impedance dynamic adjustment are exported.
Therefore, the high duplication human impedance measuring method that the present invention is realized, by time threshold values and impedance threshold
Carry out the dynamic repeatability to adjust human impedance, it is possible to increase the repeatability of human impedance, can truly reflect human body resistance
Resist the rate of change in the case where larger time span was entered, this is greatly conducive to the research of follow-up Modeling Theory, accounting equation, has
Beneficial to raising Consumer's Experience.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of human impedance measuring method with high duplication, it is characterised in that steps of the method are：
101st, human impedance is gathered；
102nd, the human impedance of collection and history human impedance are contrasted；
103rd, judge the impedance bioelectrical measurement value time whether in threshold values T；If in time threshold T, adjusted using time dynamic
The α 1 of integral coefficient 1, otherwise using the time dynamic α 2 of regulation coefficient 2.
104th, electrical impedance is contrasted, is judged whether in the range of impedance threshold；If in impedance threshold Z, if in impedance threshold
It is interior, then using the impedance dynamic β 1 of regulation coefficient 1, otherwise using the impedance dynamic β 2 of regulation coefficient 2；
105th, elapsed time dynamic adjustment and the partes corporis humani position electrical impedance after impedance dynamic adjustment are exported.
2. there is as claimed in claim 1 the human impedance measuring method of high duplication, it is characterised in that 101 step
In, using the human body impedance measuring technology of multiband 5KHz, 50KHz, 250KHz to human body right upper extremity, left upper extremity, right lower extremity, a left side
Lower limb, body part longitudinal direction, oblique body part, body part top, body part bottom carry out impedance bioelectrical measurement, be respectively designated as R1, R2,
R3、R4、R5、R6、r1、r2。
3. there is as claimed in claim 2 the human impedance measuring method of high duplication, it is characterised in that 102 step
In, impedance R1, R2, R3, R4, R5, R6, r1, r2 that human body different parts are measured under 5KHz, 50KHz, 250KHz and history
Each position impedance bioelectrical measurement value time of human body compares, calculate time threshold on electrical impedance affect contribution, to R1, R2, R3,
R4, R5, R6, r1, r2 carry out time dynamic electric impedance adjustment.
4. there is as claimed in claim 3 the human impedance measuring method of high duplication, it is characterised in that the dynamic electric
Impedance adjustment is as follows：Time threshold is designated as T, when more than T, using dynamic regulation coefficient α 2, when less than T, using dynamic tune
Integral coefficient α 1, wherein α 1<α2.
5. there is as claimed in claim 3 the human impedance measuring method of high duplication, it is characterised in that 104 step
In, impedance R1, R2, R3, R4, R5, R6, r1, r2 that human body different parts are measured under 5KHz, 50KHz, 250KHz and history
Human body each position impedance bioelectrical measurement value impedance comparison, computing impedance threshold value affects contribution to electrical impedance, to R1, R2, R3,
R4, R5, R6, r1, r2 carry out impedance dynamic electric impedance adjustment.
6. there is as claimed in claim 5 the human impedance measuring method of high duplication, it is characterised in that the dynamic electric
Impedance adjustment is as follows：Impedance threshold is designated as Z, when more than Z, using dynamic regulation coefficient β 2, when less than Z, using dynamic tune
Integral coefficient β 1, wherein β 1<β2.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914745A (en) * | 2021-04-06 | 2021-06-08 | 湖南菁益医疗科技有限公司 | Self-adaptive dynamic neutral electrode contact quality detection method |
| WO2021233011A1 (en) * | 2020-05-19 | 2021-11-25 | 华为技术有限公司 | Body composition test method and device, and computer readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056535A (en) * | 2008-06-06 | 2011-05-11 | 皇家飞利浦电子股份有限公司 | Method of obtaining a desired state in a subject |
| CN202207142U (en) * | 2011-09-08 | 2012-05-02 | 程浩川 | Brain impedance image monitor |
| CN103892830A (en) * | 2014-04-01 | 2014-07-02 | 新加坡情桥私人有限公司 | Emotion detection method and system based on human skin resistance changes |
| CN105982672A (en) * | 2015-03-04 | 2016-10-05 | 宽仕工业股份有限公司 | Skin detection method and device |
| CN106137193A (en) * | 2016-07-29 | 2016-11-23 | 普罗朗生物技术（无锡）有限公司 | The many-valued simulator of human-body biological conductance |
-
2016
- 2016-12-15 CN CN201611158118.2A patent/CN106580322A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056535A (en) * | 2008-06-06 | 2011-05-11 | 皇家飞利浦电子股份有限公司 | Method of obtaining a desired state in a subject |
| CN202207142U (en) * | 2011-09-08 | 2012-05-02 | 程浩川 | Brain impedance image monitor |
| CN103892830A (en) * | 2014-04-01 | 2014-07-02 | 新加坡情桥私人有限公司 | Emotion detection method and system based on human skin resistance changes |
| CN105982672A (en) * | 2015-03-04 | 2016-10-05 | 宽仕工业股份有限公司 | Skin detection method and device |
| CN106137193A (en) * | 2016-07-29 | 2016-11-23 | 普罗朗生物技术（无锡）有限公司 | The many-valued simulator of human-body biological conductance |
Non-Patent Citations (2)
| Title |
|---|
| 刘晓娟: "基于REIS的生物电阻抗特性检测方法与系统设计研究", 《中国优秀硕士学位论文全文数据库医药卫生科技辑》 * |
| 李江等: "基于Hausdorff距离的穴位阻抗重复性", 《浙江大学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021233011A1 (en) * | 2020-05-19 | 2021-11-25 | 华为技术有限公司 | Body composition test method and device, and computer readable storage medium |
| CN112914745A (en) * | 2021-04-06 | 2021-06-08 | 湖南菁益医疗科技有限公司 | Self-adaptive dynamic neutral electrode contact quality detection method |
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