CN209315874U - A kind of joint flexion measuring system - Google Patents
A kind of joint flexion measuring system Download PDFInfo
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- CN209315874U CN209315874U CN201821960010.XU CN201821960010U CN209315874U CN 209315874 U CN209315874 U CN 209315874U CN 201821960010 U CN201821960010 U CN 201821960010U CN 209315874 U CN209315874 U CN 209315874U
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Abstract
The utility model provides a kind of joint flexion measuring system, to solve the problems, such as in the prior art joint flexion measure comfortable sexual experience it is bad, it is expensive, cannot achieve household.The system comprises: joint flexion monitoring modular and data processing module, joint flexion information is obtained to the monitoring of joint average curvature by joint flexion monitoring modular and acquired information is sent to data processing module, data processing module receives and processing joint flexion information, to realize the real-time monitoring to joint flexion.The principle of the utility model application curvature sensor, arthrogryposis signal is transferred in data processor by curvature sensing element and reads surveyed numerical value, to real-time measurement joint flexion, grasp joint motions situation, the active that auxiliary user independently carries out motor function resumes training, joint monitoring device cost is reduced, while improving measurement accuracy and equipment durability, and promote the comfort of user.
Description
Technical field
The utility model belongs to physiological compensation effects method and apparatus field, particularly relates to a kind of joint flexion survey
Amount system.
Background technique
Human synovial mobility is also known as range of motion, the arc of motion passed through when being joint motions.Range of motion
It is a common detection project in clinical rehabilitation medicine and disability identification, doctor can pass through measurement range of motion guidance
Patient carries out postoperative rehabilitation, while monitoring the recovery situation of patient.In order to reach ideal recovery effects, received joint
The Diseases such as the patient of operation or apoplexy generally require to carry out long-term active to resume training, and wherein arthrogryposis and stretch
Training is most important for restoring joint motions function, and this exercise needs are repeated with some strength, and the duration is long.
Since public health resources are limited and somewhat expensive, most patients often select the middle subsequent rehabilitation training of progress of going back home.For
Guarantee quality trained at home, reaches ideal rehabilitation efficacy, on the one hand need to obtain the real-time of the information such as movement range
On the other hand in place whether feedback so as to auxiliary judgment training be also required to for data record to be reflected to guardian or medical staff,
To monitor rehabilitation situation.
In the prior art, it can be used for monitoring the equipment of joint motions when for family's scene, all there is obvious shortcomings.
For common commercial electrical goniometer due to its technology maturation, measurement is accurate, is widely used in medical field, however
Since expensive, durability is poor, it is not used to home environment.
Optics motion capture system, such as Vicon, Optitrack, it is accurate for the capture of human motion, but price
It is high, while the operative knowledge of profession is needed, it is confined to laboratory and medical research center and uses, can not also spread to family
In.
It is set in addition, Bridget J.Munro, R.Wijesiriwardana et al. devise a kind of wearable biofeedback
Standby intelligence knee-pad using fabric in such a way that the sensing element of sensor combines, devises one for monitoring motion of knee joint
Kind conductive yarn, the sensing element by conductive yarn directly as sensor participate in kneed motion monitoring.But fabric is quick
The durability of sensing unit is poor, in a disguised form improves sensor use cost；Meanwhile the slack time of fabric sensing element is long, frequency
Bad response, i.e. poor dynamic, monitoring accuracy and sensitivity are low.
Utility model content
In order to overcome the shortcomings of prior art, the utility model provides a kind of joint flexion measuring system and measurement
Arthrogryposis signal is transferred in data processor by curvature sensing element and is read using the principle of curvature sensor by method
Surveyed numerical value is taken, so that real-time measurement joint flexion, grasps joint motions situation, reduces joint monitoring device cost, simultaneously
Measurement accuracy and equipment durability are improved, and promotes the comfort of measured.
One aspect according to the present utility model provides a kind of joint flexion measuring system, the system comprises: it closes
Bent-segment degree monitoring modular and data processing module, the two electrical connection；Wherein,
The joint flexion monitoring modular is used to obtain joint flexion information by the monitoring to joint curvature and will
Acquired information is sent to data processing module；The data processing module is used to receiving and handling joint flexion information,
And export monitoring data.
Further, the monitoring to joint curvature, further are as follows: to the average song of range of motion intrinsic articulation each point
The monitoring of rate.
Further, the joint flexion monitoring modular includes at least one mild curvatures sensing element；The flexibility
Curvature sensing element is fexible film stratiform structure, and length is greater than range of motion, and sensing element length direction is closed along two
The arc direction that nodal section is relatively moved to form is attached on tested joint outer profile, each for obtaining range of motion intrinsic articulation
The average curvature of point.
Further, the mild curvatures sensing element includes: the first metal layer, insulating layer, second metal layer, conducting wire；
The insulating layer is located among the first metal layer and second metal layer, and the conducting wire is respectively the first metal layer and
The lead-out wire of two metal layers, the conducting wire are electrically connected for the first metal layer and second metal layer and data processing module；
When the mild curvatures sensing element is attached at the front in tested joint, the first metal layer and second metal layer institute
Face it is parallel with joint contact face；
When the mild curvatures sensing element is attached at the side in tested joint, the first metal layer and second metal layer institute
Face it is vertical with joint contact face.
Further, the joint flexion monitoring modular further includes；
Wearable or adhesive type elastic matrix；The mild curvatures sensing element is fixed on described wearable or can
On adhesive type elastic matrix.
Further, the elastic matrix has adaptivity, when carrying out joint measurment and/or monitoring, by the bullet
Property matrix be fixed in corresponding joint, the elastic matrix can voluntarily be adapted to the size in measured joint, and can be with joint
It is bent and deforms, holding is fitted closely with measured joint.
Other side according to the present utility model additionally provides a kind of joint flexion measurement method, the method packet
It includes: joint flexion being measured by mild curvatures sensing element.
Further, described that joint flexion is measured by mild curvatures sensing element, further are as follows: flexible bent
Rate sensing element monitors the average curvature of range of motion intrinsic articulation each point, and calculates arthrogryposis according to average curvature
Degree.
Further, the mild curvatures sensing element length is greater than range of motion, and is by the first metal layer, absolutely
The fexible film stratiform structure that edge layer, second metal layer and conducting wire collectively form；The insulating layer is located at the first metal layer and
Among two metal layers, the conducting wire is respectively the lead-out wire of the first metal layer and second metal layer；
The average curvature of the mild curvatures sensing element monitoring range of motion intrinsic articulation each point, including walk as follows
It is rapid:
Step S1, the mild curvatures sensing element length are greater than range of motion, by the sensitive member of the mild curvatures
Part length direction is attached on tested joint outer profile along the arc direction that two joint face is relatively moved to form, the first metal layer
It is placed in parallel with the face where second metal layer with joint contact face；
Step S2, when joint motion, joint drives the first metal layer and second metal layer that different degrees of deformation occurs,
The resistance variations for causing the first metal layer different with second metal layer；
Step S3 is calculated in range of motion and is closed according to the difference of the first metal layer and second metal layer resistance variations
Save the average curvature of each point.
Further, mild curvatures sensing element is attached on tested joint outer profile in the step S1, is further wrapped
It includes:
The mild curvatures sensing element is fixed on wearable or adhesive type elastic matrix, elastic matrix is passed through
Realize the attaching of mild curvatures sensing element and tested joint outer profile.
The utility model has the following beneficial effects:
The joint flexion measuring system and measurement method of the present embodiment, it is using the principle of curvature sensor, joint is curved
Bent signal is transferred in data processor by curvature sensing element and reads surveyed numerical value, thus real-time measurement joint flexion,
Joint motions situation is grasped, the active that auxiliary user independently carries out motor function resumes training, joint monitoring device cost is reduced,
Measurement accuracy and equipment durability are improved simultaneously, and promotes the comfort of measured.
Detailed description of the invention
Fig. 1 is joint flexion measuring system structural schematic diagram described in the utility model embodiment；
Fig. 2 is that structure when mild curvatures sensing element described in the utility model embodiment is attached at tested joint front is shown
It is intended to；
Fig. 3 is that structure when mild curvatures sensing element described in the utility model embodiment is attached at tested joint side is shown
It is intended to；Fig. 4 is the measuring principle schematic diagram of mild curvatures sensing element described in the utility model embodiment；
Fig. 5 is the schematic diagram calculation that the utility model embodiment mild curvatures sensing element monitors joint flexion.
Description of symbols:
1- joint flexion monitoring modular；2- data processing module；11- mild curvatures sensing element；The first metal of 111-
Layer；112- insulating layer；113- second metal layer；114-1 the first metal layer lead-out wire；114-3 second metal layer lead-out wire.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
First embodiment
A kind of joint flexion measuring system is present embodiments provided, Fig. 1 show joint flexion described in the present embodiment
Measuring system structural schematic diagram.As shown in Figure 1, the measuring system includes: joint flexion monitoring modular 1 and data processing mould
Block 2, the two electrical connection；Wherein,
The joint flexion monitoring modular is used to obtain joint flexion information by the monitoring to joint curvature and will
Acquired information is sent to data processing module；The data processing module is used to receiving and handling joint flexion information,
And export monitoring data.
Preferably, in the present embodiment, the tested joint includes knee joint, articulations digitorum manus, elbow joint, neck joint, ankle-joint
Deng.
Preferably, the monitoring to joint curvature are as follows: the monitoring to range of motion intrinsic articulation each point average curvature.
Further, the joint flexion monitoring modular 1 includes at least one mild curvatures sensing element 11.It is described
Mild curvatures sensing element 11 is fexible film stratiform structure, and length is greater than range of motion, sensing element length direction edge
The arc direction that is relatively moved to form of two joint face be attached on tested joint outer profile, for obtaining in range of motion
The average curvature of joint each point.
Here length be greater than range of motion, refer to joint motion to utmostly when, the both ends of sensing element
Also there is undeformed part.
Fig. 2 show the structural schematic diagram when mild curvatures sensing element is attached at tested joint front, shown in Fig. 3
Structural schematic diagram when tested joint side is attached at for the mild curvatures sensing element.As shown in Figures 2 and 3, described soft
Property curvature sensing element 11 includes: the first metal layer 111, insulating layer 112, second metal layer 113, conducting wire 114-1 and 114-3；
The insulating layer 112 is located among the first metal layer 111 and second metal layer 113, and the conducting wire 114-1 is the first metal layer
111 lead-out wire, the conducting wire 114-3 are the lead-out wire of second metal layer 113, the conducting wire 114 for the first metal layer and
Second metal layer is electrically connected with data processing module respectively.Preferably, the material of the insulating layer 112 is polyimides and phenol
Urea formaldehyde.
When the mild curvatures sensing element 11 measures joint curvature, by the sensing element in length direction along two
The arc direction that articular surface is relatively moved to form is attached on tested joint outer profile, when the mild curvatures sensing element attaches
When the front in tested joint, the first metal layer and the face where second metal layer are parallel with joint contact face, as shown in Figure 2；
When the mild curvatures sensing element is attached at the side in tested joint, the first metal layer and face where second metal layer with
Joint contact face is vertical, as shown in Fig. 3.By taking mild curvatures sensing element is attached at the front in tested joint as an example, make the first gold medal
Belong to layer and the face where second metal layer is parallel with joint contact face, is to be along the inside of joint radius of curvature with the first metal layer
Example, then second metal layer is outside, and when joint bends, the first metal layer is compressed, resistance R1It changes, second
Metal layer is stretched, resistance R2Also it changes, each point in range of motion at this time is calculated by the changing value of resistance
Average curvature.
In the present embodiment, the material of the first metal layer 111 and second metal layer 113 using same size, initial resistance
Resistance value be R.
Fig. 4 show the measuring principle schematic diagram of the mild curvatures sensing element 11.As shown in figure 4, specifically, passing through
The calculating of formula (1) progress curvature value:
In formula (1), κ is curvature, and R is the initial resistance value of the first metal layer 111 and second metal layer 113, KSIt is sensitive
Spend coefficient, Δ RtopWith Δ RbottomIt is the resistance change of second metal layer 111 and the first metal layer 113 respectively.
Fig. 5 show the schematic diagram calculation that mild curvatures sensing element 11 monitors joint flexion.It is described as shown in Fig. 5
The curvature solution procedure in the attached joint of mild curvatures sensing element are as follows:
Tested joint flexion is φ, takes 11 the first metal layer 111 of mild curvatures sensing element or second metal layer 113
A face tension or in compression infinitesimal:
D (Δ R)=± KSεdR0 (2)
In formula (2), d (Δ R) is the resistance value of infinitesimal section variation, is variation, dR along 11 length direction of sensing element0
For infinitesimal section original resistance value, KSFor sensitivity coefficient, ε is the strain of infinitesimal section.
The mild curvatures sensing element 11 by bending when, the resistance variations of side tension or in compression are as follows:
In formula (3), R0For former resistance value, KSFor sensitivity coefficient, t is 11 intermediate layer thickness of sensing element, θB-θAIt is soft
The relative rotation at 11 both ends of property curvature sensing element.
When the scope of activities that the mild curvatures sensing element 11 compares tested joint is longer, as long as the mild curvatures
The relative rotation of 11 bending two ends of sensing element is certain, and regardless of middle section bending shape, the variation of resistance value is certain；Then
Have:
Arbitrary bending deformation occurs for the mild curvatures sensing element 11 it can be seen from formula (4), and the opposite of both ends turns
Angle θB-θAValue still can be deformed according to constant curvature and be calculated, unrelated with the shape of curved.
Further, the fexible film stratiform structure, in the arc that length direction is relatively moved to form along two joint face
Line direction is attached on tested joint outer profile, can be realized by following two mode, following two mode is only this reality
It applies preferred in example, it is not limited to following two mode.
Mode one:
The mild curvatures sensing element 11 is combined with wearable elastic matrix 12, collectively forms joint flexion prison
Survey module 1；
Mode two:
The mild curvatures sensing element 11 is combined with adhesive type elastic matrix 13, collectively forms joint flexion prison
Survey module 1.
Wherein, in mode one:
The wearable elastic matrix be wearable elastic construction, have adaptivity, when carry out joint measurment and/
Or when monitoring, the elastic matrix is worn in corresponding joint, the elastic matrix is voluntarily adapted to the ruler in measured joint
It is very little, and can be deformed with the bending in joint, holding is fitted closely with measured joint.The flexibility sensing element 11 is fixed on
On elastic matrix, change flexible sensing element 11 with tested joint synchronous using the elasticity of elastic matrix, for obtaining joint
Curvature.
Elastic matrix includes wearable and for installing the elastic body of mild curvatures sensing element, and by zipper with
The elastomeric composition body of elastic body connection, when wearing described in elastomeric composition body be located on the inside of joint, the elastomeric composition body has
There are a compression limit radian and a limit of stretch radian, the compression limit radian and limit of stretch radian respectively correspond pass
The predetermined angle threshold value range of bent-segment degree；Elastic body is elastic fabric, for example, measuring for the kneed rate of curving
When, wearable elastic matrix is knee-pad.In mode two:
The adhesive type elastic matrix 13 has adaptivity, will be described when carrying out joint measurment and/or monitoring
Elastic matrix is affixed in corresponding joint, and the Pasting elastic matrix 13 has adaptivity to joint, is voluntarily adapted to be surveyed
The size in joint is measured, and can be deformed with the bending in joint, holding is fitted closely with measured joint.The flexible sensitive member
Part 11 is mounted on Pasting elastic matrix 13, is made flexible sensing element 11 using the elasticity of Pasting elastic matrix 13 and is tested
Joint synchronous variation, for obtaining joint flexion.
Further, the data processing module 2 includes processing chip, gear regulator, bluetooth and power supply；Wherein,
The processing chip converts the increased resistance value of mild curvatures sensing element for running curvature calculation procedure
For joint flexion numerical value；
Angle threshold is arranged according to the service condition of oneself for different users in the gear regulator；
The bluetooth is used to carry out wireless data communication with user terminal, by processing module real-time monitoring and the joint of calculating
Curvature is sent to user terminal, and user terminal can choose reservation historical data, and guides instruction to facilitate medical staff to check
Practice；
The power supply is used to be system power supply.
Preferably, the data processing module of the joint flexion measuring system can also include: prompting submodule.
The prompting submodule is connected with processing chip and gear regulator simultaneously, for calculated curved when handling chip
When curvature numerical value reaches threshold value set by gear regulator, the processing chip is touched to reminding submodule to send control instruction
Hair reminds submodule to alarm, and reminds user joint to be bent in place, when curvature is less than the set angle, processing chip
It sends and reminds out code, submodule is reminded to close.
Bending threshold value can be set in gear regulator, and when kneed bending degree reaches the bending threshold value, triggering is mentioned
Module of waking up reminds user's knee joint to be bent in place.When bending angle is less than set angle, reminding module is closed.
Preferably, the prompting submodule includes vibrator, and/or buzzer, and/or indicator light, the side reminded
Formula can be vibration, and/or the flashing of sound, and/or indicator light.
Below by taking knee joint as an example, the use process of the embodiment of the present invention joint flexion measuring system is carried out detailed
Explanation.When using the system, mild curvatures sensing element 11 is attached at knee joint top and axially spans entire knee along leg and closes
Section, to realize the real-time monitoring to knee joint bending situation.Kneed bending situation passes through shank straight configuration and bending
The axis angle value of state reflects, i.e. curvature.
Kneed bending is set on data processing module according to user's rehabilitation training palpus angle value to be achieved first
Angle threshold, user's flexed knee, causes the mild curvatures being arranged at knee joint monitoring submodule bending later, the
One metal layer and the resistance of second metal layer change, and can be asked according to the variation of the first metal layer and second metal layer resistance
Obtain the average curvature of institute's sticking portion.
The detection signal corresponding with curvature that data processing module is measured by getting mild curvatures sensing element, and
Curvature is obtained based on detection signal, kneed bending angle or radian etc. can be calculated according to curvature values.Data
Processing module judges whether kneed real-time bending numerical value is greater than or equal to the bending threshold value with user preset accordingly, if
It is then to open control instruction to transmissions such as the vibrator of reminding module, buzzers, reminded；If it is not, then to reminding module
Vibrator, buzzer etc. send halt instruction or do not send unlatching control instruction, keep reminding module in closed state, knee joint
It is similarly detected when return motion.
Joint (including knee joint, the elbow joint, articulations digitorum manus etc.) upper surface of human body is in Irregular Boundary Surface, thus its curvature
It is also variant everywhere in curved surface.But it is derived and can be obtained by calculating, as long as mild curvatures monitoring submodule can be bonded entire joint song
Face so that when arthrogryposis to utmostly when, still there is undeformed part at sensor both ends, then the electricity detected by sensor
The calculated curvature value of signal intensity institute, it is just only related with the bending angle △ θ of joint entirety, without by among the curved surface of joint
The bending shape of section influences, namely still can calculate joint flexion angle according to constant curvature bending.
Second embodiment
A kind of joint flexion measurement method is present embodiments provided, the curvature measurement method includes:
Joint flexion is measured by mild curvatures sensing element.
Further, described that joint flexion is measured by mild curvatures sensing element, further are as follows: flexible bent
Rate sensing element monitors the average curvature of range of motion intrinsic articulation each point, and calculates arthrogryposis according to average curvature
Degree.
Preferably, the mild curvatures sensing element length is greater than range of motion, and for by the first metal layer, insulation
The fexible film stratiform structure that layer, second metal layer and conducting wire collectively form；The insulating layer is located at the first metal layer and second
Among metal layer, the conducting wire is respectively the lead-out wire of the first metal layer and second metal layer.
Further, the average curvature of the mild curvatures sensing element monitoring range of motion intrinsic articulation each point, packet
Include following steps:
Step S1, the mild curvatures sensing element length are greater than range of motion, by the sensitive member of the mild curvatures
Part length direction is attached on tested joint outer profile along the arc direction that two joint face is relatively moved to form, when the flexibility
Face and joint contact face when curvature sensing element is attached at the front in tested joint, where the first metal layer and second metal layer
In parallel；When the mild curvatures sensing element is attached at the side in tested joint, where the first metal layer and second metal layer
Face it is vertical with joint contact face.
In this step, the mild curvatures sensing element is attached on tested joint outer profile, further are as follows: will be described soft
Property curvature sensing element be fixed on wearable or adhesive type elastic matrix, pass through elastic matrix and realize that mild curvatures are sensitive
The attaching of element and tested joint outer profile.
Step S2, when joint motion, joint drives the first metal layer and second metal layer that different degrees of deformation occurs,
The resistance variations for causing the first metal layer different with second metal layer.
Step S3 is calculated in range of motion and is closed according to the difference of the first metal layer and second metal layer resistance variations
Save the average curvature of each point.
In this step, the calculating of average curvature can be carried out by following formula:
In formula (1), κ is curvature, and R is the initial resistance value of the first metal layer and second metal layer, KSFor sensitivity coefficient,
ΔRtopWith Δ RbottomIt is the resistance change of second metal layer and the first metal layer respectively.
Step S32 solves the curvature in the attached joint of mild curvatures sensing element.
It is further, described that joint flexion, solution procedure are calculated according to average curvature are as follows:
Tested joint flexion angle is φ, take mild curvatures sensing element the first metal layer or second metal layer tension or
Be pressurized a face infinitesimal:
D (Δ R)=± KSεdR0 (2)
In formula (2), d (Δ R) is the resistance value of infinitesimal section variation, is variation, dR along sensing element length direction0For
Infinitesimal section original resistance value, KSFor sensitivity coefficient, ε is the strain of infinitesimal section.
The mild curvatures sensing element by bending when, the resistance variations of side tension or in compression are as follows:
In formula (3), R0For former resistance value, KSFor sensitivity coefficient, t is sensing element intermediate layer thickness, θB-θAFor flexibility
The relative rotation at curvature sensing element both ends.
When the scope of activities that the mild curvatures sensing element compares tested joint is longer, as long as the mild curvatures are quick
The relative rotation of sensing unit bending two ends is certain, and regardless of middle section bending shape, the variation of resistance value is certain；Then have:
Arbitrary bending deformation, the relative rotation at both ends occur for the mild curvatures sensing element it can be seen from formula (4)
θB-θAValue still can be deformed according to constant curvature and be calculated, unrelated with the shape of bending deformation.
Preferably, the joint flexion measurement method can also include:
It exports and saves joint flexion.
Data preservation is carried out to the joint flexion of real-time measurement, is conducive in the case that doctor is absent from the scene in home environment
In use, doctor still although it is understood that the rehabilitation situation of patient, the targeted course for the treatment of is formulated, is mentioned in the case where reducing patient's expense
High rehabilitation speed.
As can be seen from the above technical solutions, the arthrogryposis rate measuring system and measurement of the utility model embodiment
Arthrogryposis signal is transferred in data processor by curvature sensing element and is read using the principle of curvature sensor by method
Surveyed numerical value is taken, so that real-time measurement joint flexion, grasps joint motions situation, auxiliary user independently carries out motor function
It actively resumes training, reduces joint monitoring device cost, while improving measurement accuracy and equipment durability, and promote measured's
Comfort.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of joint flexion measuring system, which is characterized in that the system comprises: joint flexion monitoring modular and data
Processing module, the two electrical connection；Wherein,
The joint flexion monitoring modular is used to obtain joint flexion information by the monitoring to joint curvature and will be obtained
The information taken is sent to data processing module；The data processing module is used to receiving and handling joint flexion information, and defeated
Monitoring data out.
2. joint flexion measuring system according to claim 1, which is characterized in that the monitoring to joint curvature,
Further are as follows: the monitoring to range of motion intrinsic articulation each point average curvature.
3. joint flexion measuring system according to claim 2, which is characterized in that the joint flexion monitoring modular
Including at least one mild curvatures sensing element；The mild curvatures sensing element is fexible film stratiform structure, and length is greater than
Range of motion, sensing element length direction are attached at tested joint along the arc direction that two joint face is relatively moved to form
On outer profile, for obtaining the average curvature of range of motion intrinsic articulation each point.
4. joint flexion measuring system according to claim 3, which is characterized in that the mild curvatures sensing element packet
It includes: the first metal layer, insulating layer, second metal layer, conducting wire；
The insulating layer is located among the first metal layer and second metal layer, and the conducting wire is respectively the first metal layer and the second gold medal
Belong to the lead-out wire of layer, the conducting wire is electrically connected for the first metal layer and second metal layer and data processing module；
When the mild curvatures sensing element is attached at the front in tested joint, where the first metal layer and second metal layer
Face is parallel with joint contact face；
When the mild curvatures sensing element is attached at the side in tested joint, where the first metal layer and second metal layer
Face is vertical with joint contact face.
5. joint flexion measuring system according to claim 4, which is characterized in that the joint flexion monitoring modular
Further include；
Wearable or adhesive type elastic matrix；The mild curvatures sensing element is fixed on described wearable or Pasting
On formula elastic matrix.
6. joint flexion measuring system according to claim 5, which is characterized in that
The elastic matrix has adaptivity, and when carrying out joint measurment and/or monitoring, the elastic matrix is fixed on phase
It answers on joint, the elastic matrix can voluntarily be adapted to the size in measured joint, and can deform with the bending in joint, keep
With fitting closely for measured joint.
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| CN201821960010.XU CN209315874U (en) | 2018-11-27 | 2018-11-27 | A kind of joint flexion measuring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821960010.XU CN209315874U (en) | 2018-11-27 | 2018-11-27 | A kind of joint flexion measuring system |
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