CN108143420A - A kind of method for being used to measure the insole pressed enough and detection is pressed enough - Google Patents
A kind of method for being used to measure the insole pressed enough and detection is pressed enough 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
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/1036—Measuring load distribution, e.g. podologic studies
- A61B5/1038—Measuring plantar pressure during gait
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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
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
- A61B5/0022—Monitoring a patient using a global network, e.g. telephone networks, internet
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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
- A61B5/6802—Sensor mounted on worn items
- A61B5/6804—Garments; Clothes
- A61B5/6807—Footwear
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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
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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
- A61B5/7465—Arrangements for interactive communication between patient and care services, e.g. by using a telephone network
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Abstract
It is a kind of to be used to measure the insole pressed enough, including the shoe insole surface with plantar contact, in multiple test position (x0 of shoe insole surface, y0 it sets to detect the test position (x0 at), y0 foot imposes on the sensor of the pressure of insole at), it is characterized in that, the multiple test position (x0, y0) is including at least corresponding to the position in the first toe of foot, first metatarsal bone, second metatarsal bone, third to the shoe insole surface of five metatarsals and heel.It further relates to measure the method pressed enough.So as to the gait of the detection people of intelligence, and then provide analysis and suggestion.
Description
Technical field
The present invention relates to by plantar pressure sensor detect plantar pressure, it is then one-to-one by data by Bluetooth technology
Cell phone application is wirelessly transmitted to, carries out the display and analysis of movement gait, it is particularly a kind of to be used to measure the insole pressed enough and detection
The method pressed enough.
Background technology
Due to the feature of the structure of Human Sole, for human body when ground is stepped on, vola each point can generate different pressures
Power by testing, analyzing plantar pressure, can obtain physiology, pathomechanics parameter and machine of the human body under each figure and movement
Energy parameter, it is established that correlation model, therefore extraction Human Sole pressure can obtain the identity information of human body.
Everyone different walk posture, weight distribution have been applied in the identification work to the identity of people, it is traditional
Identification primarily directed to people palm fingerprint recognition, this project using the sole pressure to people identification.It is at this
In system, the pressure sensor of sole feature is met by rational design to detect pressure signal, then by pressure sensor first
Output signal be amplified, filter, A/D conversion etc. signal conditions, reach analysis Human Sole kinematics character, tester
The purpose of the multiple representative pressure spots in body vola.
It only realizes single foot to the detection of the foot force of people in the prior art to communicate, the single foot force of intelligent measure
Data, number of sensors is few and measurement accuracy is very poor, it is impossible to applied to professional domains such as rehabilitation medicals, not to plantar pressure
Data carry out dynamically showing in real time for entirety.
Invention content
By 18 pressure sensors of both feet being built in insole detect people stand, walking, run, on it is more downstairs etc.
Plantar pressure situation under a gait pattern.And pass through Bluetooth transmission to cell phone application.User can log in hand by register account number
Machine APP " vola 365 " and web terminal press long-range monitoring platform enough, in two terminals, can see the reality of plantar pressure thermodynamic chart
When dynamic change, the result of calculation of relevant pressure index and analysis and suggestion, such as have a question, can also online to expert carry out health
Consulting.
Compared with prior art, we have independent plantar nervous arch algorithm and index computational algorithm, wherein vola
The principle of pressure Distribution Algorithm is, by the pressure data of 18 points in vola of detection, by Gaussian Profile principle, to calculate each
The plantar pressure of other points around point.And pass through the algorithm and obtained the plantar pressure of full sole, draw out plantar pressure heating power
Figure, and it can dynamically be illustrated in terminal in real time during user test.Index computational algorithm is by calculating
Behavioural characteristic in plantar pressure data and people's walking process calculates the intuitive index such as surge pressure, and extrapolates gait week
The indexs such as phase, cadence.Finally, the existing indices situation of active user and the indices situation of normal person can be compared, such as
There is exception, system will provide corresponding prompting and suggest.It provides to solve the above-mentioned problems and for later stage application perfect
Data, The present invention gives following technical solutions：
It is a kind of to be used to measure the insole pressed enough, including the shoe insole surface with plantar contact, in multiple detections of shoe insole surface
For detecting the sensor that foot at the test position (x0, y0) imposes on the pressure of insole, feature exists for setting at position (x0, y0)
In the multiple test position (x0, y0) is including at least corresponding to the first toe of foot, first metatarsal bone, second metatarsal bone, third to five
Position in the shoe insole surface of metatarsal and heel.
Preferably, the multiple position further includes the position in the shoe insole surface corresponding to arch of foot.
The invention further relates to a kind of methods for measuring and pressing enough, include the following steps：
Step 1, detect what the foot on insole according to claim 1 at sensor position (x0, y0) applied
Pressure；
Step 2, the plantar pressure of other positions is calculated according to following formula：
Wherein, Z (X, Y) is the calculation of pressure value at other positions (X, Y)；P is the measured pressure value of test position (x0, y0)；
X0, y0 are the abscissa and ordinate of test position；X1 is peak width ratio；Y1 is region height ratio；A is its value of proportionality coefficient
More than 0 and less than 1；E is natural constant.
Preferably, the other positions (X, Y) form circle or elliptic curve around its test position.
Preferably, the circle or elliptic curve are similar to the shape in the region where test position.
Preferably, the pressure value that other positions (X, Y) calculate is compared with the pressure value actually measured, if differed
Cause is adjusted parameter, until described the two is consistent.
Preferably, following steps are further included：Step 3, according in the plantar pressure data and people's walking process calculated
Behavioural characteristic calculates surge pressure.
Preferably, the sufficient briquetting include people stand, walking, run, on downstairs multiple gait patterns sufficient pressure situation.
Preferably, the calculation of pressure value at other positions is sent to display terminal.
Preferably, the behavioural characteristic of corresponding people is pressed according to foot, determines the behavior of detected person.
The product and method of the present invention can be used for foot and press detecting system and long-range monitoring platform, be detected by Intelligent insole
Plantar pressure of the human body under different conditions, and plantar pressure data are visualized, handles and analyzes accordingly, association
User is helped to make foot health more accurately to judge.It is a kind of means of real-time self-monitoring for patient；Doctor is come
It says, is a kind of method for assisting Rehabilitation treatment；It is that one kind can be to vola for numerous sportsmen and more crowds
Convenience that pressure anomaly state is monitored in real time efficiently tele-medicine detection mode again.
The present invention towards user group divide
Description of the drawings
The dissection schematic diagram of Fig. 1 behaviour feet；
Fig. 2 is region division schematic diagram of the present invention to people's sole；
Fig. 3 is the corresponding site of people's foot that region shown in Fig. 2 is related to；
The gait cycle that Fig. 4 behaves when walking；
Fig. 5 is that the pressure of the insole of the present invention adds location to install schematic diagram；
Fig. 6 is the structure chart of insole of the present invention；
Fig. 7 is the flow chart of the method for the present invention.
Wherein, 10 be people's foot, and 1 is phalanx, and 2 be metatarsal, and 3 be wedge bone, and 4 be femur, and 5 be scaphoid, and 6 be astragalus, and 7 are
Calcaneum, 101 be support phase when people walks, and 102 be swing phase when people walks, and S1 is both legs support initial stage, and S2 is list leg branch
Support, S3 are supported for both legs, and S4 is swing initial stage, and S5 is swings mid-term, and S6 is swings latter stage, and 20 insole for the present invention, 21 are
Shoe insole surface (with plantar contact) of the present invention, P1-P9 are the sensor set in insole, and 23 be the circuit being connect with sensor,
A1-A8 is the foot area of invention setting.
Specific embodiment
Fig. 1 and 3 shows the structure chart of people's foot 10, shows phalanx 1, metatarsal 2, wedge bone 3, femur 4, scaphoid 5, away from
Bone 6, calcaneum 7, front foot (leading portion) are made of phalanx 1 and metatarsal 2, middle foot (stage casing by) wedge bone 3,5 structure of femur 4 and scaphoid
Into sufficient rear portion (back segment) is made of astragalus 6 and calcaneum 7.Fig. 2 and 3 show the region A1 that natural human sole's pressure can concentrate,
A3, A4, A5 and A8 region, i.e. the first toe, first metatarsal bone, second metatarsal bone, third to five metatarsals and heel.Therefore, these areas
Position where block will become the primary focus of plantar pressure detection.In addition, since arch area accounts for entire vola area
Proportion is larger, should also set up plantar pressure test point, preferably to study the distribution of plantar pressure.Therefore, in pressure insole
Middle level 22 position of arrangement diaphragm pressure sensor is as illustrated in Figures 5 and 6.In this way, the number pressure of 9 points of people's monopodia just can be tested out
According to.And the pressure signal measured is transmitted to signal processing unit and carries out A/D conversions and corresponding calculating.
Figures 5 and 6 show the plantar pressure detection hardware system of the present invention.The invention also includes foots to press detection APP and web
Hold long-range monitoring platform two parts.In hardware system, plantar pressure sensor can automatic collection user in the process of walking
Plantar pressure data, via controller parsing, are stored by Bluetooth transmission to cell phone application.It is finished when user acquires, Ke Yixuan
Data are uploaded to selecting property cloud server.And web rear ends can get the data of user from cloud database, pass
To foreground.In this way, user can log in the long-range monitoring platform of web terminal at any time, data readback, interpretation of result are realized by platform
With the functions such as health consultation.
As shown in fig. 7, on the basis of the insole shown in Figures 5 and 6, sufficient pressure detection method of the invention includes, and measures one
Pressure value P 1, P2, P3, P4, P5, P6, P7, P8, P9 when group normal person stands still in an embodiment of the present invention, choose
41 yards of insole sizes of normal person's right crus of diaphragm, wherein using 20 front-rear direction line of insole as Y-axis, which substantially divides insole or so equally
Two parts are X-axis in the line that Y-axis and insole front contact point are done perpendicular to the Y-axis, and the direction after the Y-axis foot is just
Direction, the right direction of the X axis foot is positive direction, sets the coordinate of P1-P9 points respectively in the X-Y coordinate
(x0, y0) see the table below, and measured pressure value is directed to 1.75 heights, what the man that 65 kilograms of weight measured.It can pay attention to
It arrives, coordinate x0, the y0 of the position of the measured value in the present invention, are different, the coordinate X, Y of calculated value according to different measured values
Be in x0, what y0 was calculated after selecting.
| Location point | Coordinate (x0, y0) | Measured pressure value |
| P1 | (3.6,2.9) | 30 |
| P2 | (6.4,2.9) | 29 |
| P3 | (7.2,10.5) | 25 |
| P4 | (3.9,13) | 0 |
| P5 | (7.3,13.9) | 24 |
| P6 | (8.1,16.6) | 31.5 |
| P7 | (3,18.2) | 33 |
| P8 | (6.6,20.3) | 32 |
| P9 | (3.2,23.1) | 23 |
Above-mentioned value is substituted into following formula respectively：
Wherein, Z (X, Y) is the calculation of pressure value at other positions (X, Y)；P is the measured pressure value of test position (x0, y0)；
X0, y0 are the abscissa and ordinate of test position；X1 is peak width ratio；Y1 is region height ratio；A is its value of proportionality coefficient
More than 0 and less than 1；E is natural constant.
So as to obtain the calculated value for surrounding other points around measurement point, which is bonded with practical, and verification should
The mode of formula accuracy rate is to enable X=0, Y=0, sees whether calculated value is equal with measured value, and the formula is correct if equal,
The calculated value nearby put can be acquired, and then draw tonogram by setting the size of X and Y.
Gait cycle is shown in Fig. 4：Side heel contact is claimed to the parapodum with the process to land again when walking
For a gait cycle, usually represented with the time second (s).The gait cycle being generally grown up is about 1-1.32s or so.In walking
Each gait cycle includes a series of transfer of typical positions, and this typical position variation is usually marked off a system by people
Arrange period, referred to as gait phase (gait phase/period).One gait cycle can be divided into support phase (stance
Phase) and swing phase (swing phase), the percentage of gait cycle is expressed as unit generally shared by the phase, is had
When it is also expressed in seconds.
Most is using single leg as analysis object, a gait cycle is divided into support phase and swing phase, each phase is again
It is divided into 6 different gaits.
Two gait phases (support phase and swing phase) are divided into 6 gait phases in Fig. 4：S1 both legs support initial stage,
The S2 single leg support phases, the S3 both legs support phase, S4 swings initial stage, S5 swings mid-term and S6 swings latter stage.
It is divided into seven states of G1-G7 between each position in Fig. 4, respectively
G1:Left foot point stress is gradually reduced, right crus of diaphragm followed by beginning stress；
G2:Left foot point is liftoff, and right crus of diaphragm heel initially moves off ground, and ball of foot starts stress；
G3:Left foot is liftoff, and right crus of diaphragm point starts stress；
G4:Left heel starts stress, and right crus of diaphragm point stress is gradually reduced；
G5:Left heel initially moves off ground, and forefoot starts stress, and right crus of diaphragm point is liftoff
G6:Left foot half sole starts stress increase, and right crus of diaphragm is liftoff；
G7:Left foot point starts stress, and right crus of diaphragm is liftoff
Support phase：Refer to lower limb contact ground and bear the time of gravity, the most of the time is monopodia support.Walking is with running
Key difference be the time that walking has biped to support, referred to as dual-gripper phase is equivalent to that support foot contacts to earth for the first time and load-bearing is anti-
It should phase or the loss of weight reaction to parapodum and sufficient liftoff period.The time of dual-gripper phase is inversely proportional with walking speed.During dysbasia
Dual-gripper phase time lengthening is often first appeared as, to increase walking stability.
Swing phase：Refer to the time that foot is taken a step between landing again with leaving forward.
In entire gait cycle, only plantar pressure is had in support phase.Body is mainly balanced in both legs driving phase
The power of bench over, the single leg support stage is to obtain forward acceleration, and swing phase is the process that first back leg exchanges.So from foot
The angle analysis of bottom pressure it is found that be mainly heel stress in both legs driving phase, and be heel in single leg recovery phase by
Power is gradually reduced and ball of foot and the gradual stress of toe.
By judging in entire gait cycle, the situation of change of each site pressure in vola is judged gait cycle, is swung
Phase, the initial time for supporting phase, and corresponding index is obtained by calculation.Again by conversion, the more multi objective such as cadence is obtained.
Following data are provided in the experiment of the present invention
2 normal person's walk test right crus of diaphragm pressure data (two gait cycles) of table
From table 2 it can be seen that in time 243ms~1045ms, the data of heel area (collection point 1,2) gradually increase,
Then while 1125ms~1285ms time hop counts are according to reducing, the data of ball of foot region (collection point 8,9) gradually increase,
This is the process that heel strike lands to toe, while is also from support phase to the transition for swinging phase.1366ms~
2097ms periods, the data of heel area (collection point 1,2) gradually increase again, it was demonstrated that right crus of diaphragm with contacting to earth again at this time, table
Show into next gait cycle.By above-mentioned judgement, can calculate asynchronous in each gait cycle in walking process
State index generates analysis report：
The gait cycle of the male user is 1.127 seconds, duration of oscillation 0.642 second, support phase 1.361 seconds, peaking
34.5 newton of pressure, 1.058 seconds peaking time, cadence 53.Therefore support phase and swing phase proportion are reasonable, gait
Normally.
The gait cycle that can be seen that tester from the data results is 1.127s, wherein swinging phase has
0.642s accounts for about the 30% of gait cycle, and phase is supported to have 1.361s, accounts for about the 70% of gait cycle.Also, tester exists
Plantar pressure during 1.058s reaches maximum value 34.5N, 53 steps of averagely walking in 1 minute.By consulting a large amount of gait researchs
The wearing test of the equipment of document and normal person, it is found that tester's Ambulation Index meets the walking rule of normal person, and
In one gait cycle, swing phase and Phase Proportion during support is reasonable.Therefore, it can tentatively judge tester's walking step state just
Often.
Fig. 7 shows the flow chart of detection method, pressure detecting when 31 one group of normal person of acquisition stand still
Be worth (P1-P9), 32-33 determine will pressure detection value substitute into above-mentioned formula in, adjustment relevant parameter (x0, y0, x1, y1, A) so as to
It can strive for that operation obtains practical accurate result, 34 observations show result, it is assumed that X=0, Y=0 compare testing result with calculating
Whether value is equal, and the regulation experiment of other pressure detection values is carried out if equal.It is corresponding to a region so as to finally obtain
(P1-P9) correct parameter.
So as to obtain accurately calculation formula so that test system is provided with intelligence, can provide accordingly accurately as a result,
And realize above-mentioned analysis and judgement.
Such system can include wearable device (such as insole), mobile phone mobile terminal, computer end etc., by WiFi,
The wireless connections such as bluetooth or wired connection carry out real time remote analysis.
The various embodiments described above are only the preferred embodiment of the present invention, in the art, every to be based on skill of the present invention
Changes and improvements in art scheme should not be excluded except protection scope of the present invention.
Claims (10)
1. it is a kind of for measuring the insole pressed enough, including the shoe insole surface with plantar contact, in multiple check bits of shoe insole surface
Putting setting at (x0, y0), for detecting the sensor that foot at the test position (x0, y0) imposes on the pressure of insole, feature exists
In the multiple test position (x0, y0) is including at least corresponding to the first toe of foot, first metatarsal bone, second metatarsal bone, third to five
Position in the shoe insole surface of metatarsal and heel.
2. it is used to measure the insole pressed enough according to claim 1, which is characterized in that the multiple position, which further includes, to be corresponded to
Position in the shoe insole surface of arch of foot.
3. a kind of measure the method pressed enough, include the following steps：
Step 1, the pressure that the foot on insole according to claim 1 at sensor position (x0, y0) applies is detected；
Step 2, the plantar pressure of other positions is calculated according to following formula：
Wherein, Z (X, Y) is the calculation of pressure value at other positions (X, Y)；P is the measured pressure value of test position (x0, y0)；
X0, y0 are the abscissa and ordinate of test position；X1 is peak width ratio；Y1 is region height ratio；A is its value of proportionality coefficient
More than 0 and less than 1；E is natural constant.
4. the method pressed enough is measured according to claim 3, which is characterized in that the other positions (X, Y) are detected around it
Position forms circle or elliptic curve.
5. the method pressed enough is measured according to claim 4, which is characterized in that the circle or elliptic curve and test position
The shape in the region at place is similar.
6. the method pressed enough is measured according to claim 5, which is characterized in that the pressure value for calculating other positions (X, Y)
Pressure value with actually measuring is compared, if inconsistent be adjusted parameter, until described the two is consistent.
7. the method pressed enough is measured according to claim 6, which is characterized in that further include following steps：Step 3, according to meter
Behavioural characteristic in the plantar pressure data and people's walking process that calculate, calculates surge pressure.
8. the method pressed enough is measured according to claim 7, which is characterized in that the foot briquetting includes people and standing, walking, running
The sufficient pressure situation of step, multiple gait patterns of above going downstairs.
9. the method pressed enough is measured according to claim 8, which is characterized in that transmit the calculation of pressure value at other positions
To display terminal.
10. the method pressed enough is measured according to claim 9, which is characterized in that the behavioural characteristic of corresponding people is pressed according to foot,
Determine the behavior of detected person.
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| CN108703756A (en) * | 2018-08-02 | 2018-10-26 | 贵州大学 | A kind of Footscan |
| CN109045667A (en) * | 2018-09-28 | 2018-12-21 | 安阳市翔宇医疗设备有限责任公司 | A kind of rehabilitation training assessment system |
| CN109141714A (en) * | 2018-08-09 | 2019-01-04 | 重庆邮电大学 | A kind of infant foot bottom pressure DATA REASONING and processing method |
| CN112766142A (en) * | 2021-01-15 | 2021-05-07 | 天津大学 | Plantar pressure image processing method, plantar pressure image identification method and gait analysis system |
| CN114858311A (en) * | 2022-04-25 | 2022-08-05 | 浙江大学 | Flat pressure sensor for snow sports and data acquisition circuit thereof |
| CN115998286A (en) * | 2023-02-06 | 2023-04-25 | 中国民用航空飞行学院 | System, equipment and method for acquiring upper cross body state detection data |
| CN117653441A (en) * | 2023-12-26 | 2024-03-08 | 太极计算机股份有限公司 | Method, system, insole, device and medium for adjusting stress of varus |
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| CN108703756A (en) * | 2018-08-02 | 2018-10-26 | 贵州大学 | A kind of Footscan |
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| CN112766142A (en) * | 2021-01-15 | 2021-05-07 | 天津大学 | Plantar pressure image processing method, plantar pressure image identification method and gait analysis system |
| CN114858311A (en) * | 2022-04-25 | 2022-08-05 | 浙江大学 | Flat pressure sensor for snow sports and data acquisition circuit thereof |
| CN114858311B (en) * | 2022-04-25 | 2023-02-10 | 浙江大学 | Dull and stereotyped pressure sensor of snow motion and data acquisition circuit thereof |
| CN115998286A (en) * | 2023-02-06 | 2023-04-25 | 中国民用航空飞行学院 | System, equipment and method for acquiring upper cross body state detection data |
| CN115998286B (en) * | 2023-02-06 | 2023-10-24 | 中国民用航空飞行学院 | System, equipment and method for acquiring upper cross body state detection data |
| CN117717319A (en) * | 2023-12-18 | 2024-03-19 | 北京航空航天大学 | System and method for measuring fracture rigidity after lower limb intramedullary nail operation based on RFID |
| CN117653441A (en) * | 2023-12-26 | 2024-03-08 | 太极计算机股份有限公司 | Method, system, insole, device and medium for adjusting stress of varus |
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