CN105997318A - Method and system for fabricating personalized decompression insole aiming at foot shape of diabetic - Google Patents
Method and system for fabricating personalized decompression insole aiming at foot shape of diabetic Download PDFInfo
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- CN105997318A CN105997318A CN201610266038.2A CN201610266038A CN105997318A CN 105997318 A CN105997318 A CN 105997318A CN 201610266038 A CN201610266038 A CN 201610266038A CN 105997318 A CN105997318 A CN 105997318A
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- 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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Abstract
The invention discloses a method and system for fabricating a personalized decompression insole aiming at a foot shape of a diabetic. The fabrication method comprises the steps that firstly, a three-dimensional model of a foot part of the diabetic formed when the patient stays still is acquired, a foot shape outline is extracted in the three-dimensional model and thus an insole outline plane graph can be determined; secondly, sole pressure data formed during the patient's motion is collected, and pressure intensity peak positions and high-pressure areas in the insole outline plane graph are determined according to the sole pressure data; and thirdly, pressure reduction processing is carried out to the high-pressure areas. The method for fabricating the personalized decompression insole aiming at the foot shape of the diabetic is characterized in that firstly, the three-dimensional model of the foot part formed when the patient stands still is acquired, so that the outline plane graph of the insole can be determined; secondly, the sole pressure data formed during the patient's motion is collected, and the pressure intensity peak positions and the high-pressure areas in the insole outline plane graph are determined; and finally, the pressure reduction processing is carried out to the high-pressure areas. Through static and dynamic processing, the insole aiming at the patient's foot shape can be obtained, and thus pressure reduction effects can be enhanced.
Description
Technical field
The present invention relates to the technical field that shoe pad makes, particularly relate to a kind of for diabetics foot type
The manufacture method of property pressure-reducing insole and system.
Background technology
Vola high pressure and long-term stress can cause muscle of foot pain, and are chronically at this state,
Can deform as worn high-heel shoes, foot bones and muscle for a long time, cause the generation of foot deformity.Right
For Healthy People, the high pressure of foot or long-term oppression state can cause the generation of foot callus；But,
This state is for diabetics, the most dangerous.Main danger comes from diabetic foot
Peripheral neuropathy and peripheral angiopathy, peripheral neuropathy makes patient be difficult to feel high pressure, because of
This can not the mode of adjustment stress actively, serious weighing wounded can be caused, thus cause the generation of ulcer；Week
Enclosing vascular lesion causes the Oligemia of foot, long-term compressing, even low pressure compressing can cause local
Ischemia injury, thus the generation of induced ulcer.Ulcer, as the complication of diabetic foot, is to cause local
Amputation or even the major reason of death.Therefore, for the prevention of foot ulcers, decompression is important method
One of.
For decompression method, existing research and propose be use personalized customization shoe pad (Bus, S.A.,
Foot structure and footwear prescription in diabetes mellitus.Diabetes Metab Res
Rev, 2008.24Suppl 1:p.S90-5), and Bus et al. (Guldemond, N.A., et al., The
effects of insole configurations on forefoot plantar pressure and walking
convenience in diabetic patients with neuropathic feet.Clinical Biomechanics,
2007.22 (1): p.81-87) pressure-reducing insole is decomposed into: 2 kinds of substrates, 2 kinds with cup, 3 kinds of flank pads,
2 kinds of sole of the foot toe pads, and propose to be obtained by various combination and collocation by substrate, with cup, flank pad and sole of the foot toe pad
To 12 kinds of pressure-reducing insoles, by these 12 kinds of shoe pads being carried out decompression test, obtain the decompression combination of optimum.
But current shoe pad is only for popular foot type Uniting, it is impossible to vary with each individual, and glycosuria
The foot type of patient changes, and uses existing shoe pad can not be effectively accomplished the effect of decompression.
Summary of the invention
It is an object of the invention to provide a kind of making side for diabetics foot type personalization pressure-reducing insole
Method, can make shoe pad according to the foot type of user.
For achieving the above object, the invention provides following scheme:
A kind of manufacture method for diabetics foot type personalization pressure-reducing insole, described manufacture method includes:
Step one: the threedimensional model of foot when obtaining patient at rest, extracts foot-shape profile in described threedimensional model,
To determine shoe pad profiled plan figure；Step 2: gather the plantar pressure data during patient moving, according to
Described plantar pressure data determine the pressure spikes position in described shoe pad profiled plan figure and high-pressure area；Step
Rapid three: described high-pressure area is carried out reduced pressure treatment.
Optionally, described foot-shape profile includes vola profile and footprint profile；Wherein, described in described three-dimensional
Model extracts foot-shape profile, specifically includes: from the top view of described threedimensional model, extract largest contours,
Described largest contours is vola profile；Zero figure is determined according to footprint stress area；Extract described coordinate
Initial point figure and the intersecting curve of described threedimensional model, described intersecting curve is footprint profile.
Optionally, the method for the threedimensional model of foot during the described patient at rest of acquisition: use at least two group scannings
Unit is with foot cross sectional image when orthogonal angle, setting scanning speed collection patient at rest；Will
The all of foot cross sectional image matching gathered forms threedimensional model.
Optionally, the described method determining pressure spikes position includes: on road, interval arranges multiple pressure
Acquisition module；When patient with set gait of march through described road, each described pressure acquisition module with
Plantar pressure data when the frequency collection set and each location contacts in vola；The each frame vola pressure that will gather
Force data synthesizes dynamic foot type image；Described dynamic foot type image is carried out subregion, determines in each subregion
Pressure time of origin and end time；Determine according to pressure time of origin and the end time of subregion each described
There is the time range of the plantar pressure image of maximum contact area；In described time range, choose a frame connect
Contacting surface amasss maximum image；Pressure spikes position is determined according to described contact area maximum image；Described higher-pressure region
Territory be with described pressure spikes position as the center of circle, set radius border circular areas.
Optionally, after choosing a frame contact area maximum image in described time range, also include: right
The image of described contact area maximum is modified, to obtain effective pressure contact image.
The specific embodiment provided according to the present invention, the invention discloses techniques below effect:
The present invention is directed to the manufacture method of diabetics foot type personalization pressure-reducing insole, first to obtain patient quiet
The threedimensional model of foot time only, to determine the profiled plan figure of shoe pad；Secondly during gathering patient moving
Plantar pressure data determine the pressure spikes position in shoe pad profiled plan figure and high-pressure area；Finally to high pressure
Region carries out reduced pressure treatment.By static and dynamically process, it is available for the shoe pad of patient's foot type, improves
The effect of decompression.
It is an object of the invention to provide a kind of making system for diabetics foot type personalization pressure-reducing insole
System, can make shoe pad according to the foot type of user.
For achieving the above object, the invention provides following scheme:
A kind of manufacturing system for diabetics foot type personalization pressure-reducing insole, described manufacturing system includes:
Image capture module, the threedimensional model of foot in time obtaining patient at rest；Extraction module, for described
Threedimensional model extracts foot-shape profile, to determine shoe pad profiled plan figure；Pressure acquisition module, interval is arranged
On road, for when patient is to set gait of march during described road, collection patient moving
Plantar pressure data；Determine module, for determining described shoe pad profiled plan according to described plantar pressure data
Pressure spikes position in figure and high-pressure area；Processing module, for carrying out at decompression described high-pressure area
Reason.
Optionally, described foot-shape profile includes vola profile and footprint profile；Described extraction module includes: the
One extraction unit, for extracting largest contours from the top view of described threedimensional model, described largest contours is
Vola profile；Second extraction unit, for determining zero figure according to footprint stress area, extracts described
Zero figure and the intersecting curve of described threedimensional model, described intersecting curve is footprint profile.
Optionally, described image capture module includes: at least two group scanning elements, described at least two group scannings
Unit is with foot cross sectional image when orthogonal angle, setting scanning speed collection patient at rest；Intend
Close unit, form threedimensional model for all of foot cross sectional image matching that will gather.
Optionally, described determine that module includes: image composing unit, for described plantar pressure data being closed
Become dynamic foot type image；Picture portion unit, for carrying out subregion, to determine to described dynamic foot type image
Pressure time of origin in each subregion and end time；Image selection unit, at described time range
Inside choose a frame contact area maximum image；Determine unit, for true according to described contact area maximum image
The strong peak of level pressure, and with described pressure spikes position as the center of circle, set the border circular areas of radius as height
Intermediate pressure section.
Optionally, described determine that module includes: amending unit, for choosing a frame in described time range
After contact area maximum image, the image that described contact area is maximum is modified, to obtain effective pressure
Contact image.
Relative to prior art, the present invention is directed to the manufacturing system of diabetics foot type personalization pressure-reducing insole
Identical with the above-mentioned manufacture method for diabetics foot type personalization pressure-reducing insole, do not repeat them here.
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 enforcement
In example, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
Some embodiments of the present invention, for those of ordinary skill in the art, are not paying creative work
On the premise of, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the manufacture method that the present invention is directed to diabetics foot type personalization pressure-reducing insole；
Fig. 2 is the shoe pad profiled plan figure in the present invention；
Fig. 3 is the block plan of dynamic foot type image；
Fig. 4 is effective pressure contact image；
Fig. 5 A-Fig. 5 D is the pressure shift direction figure of higher-pressure region.
Fig. 6 is the module knot of the manufacturing system that the present invention is directed to diabetics foot type personalization pressure-reducing insole
Structure schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only 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 are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
It is an object of the invention to provide a kind of making side for diabetics foot type personalization pressure-reducing insole
Method, the threedimensional model of foot when first obtaining patient at rest, to determine the profiled plan figure of shoe pad；Next is adopted
Collection patient moving during plantar pressure data determine the pressure spikes position in shoe pad profiled plan figure and
High-pressure area；Finally high-pressure area is carried out reduced pressure treatment.By static and dynamically process, it is available for
The shoe pad of patient's foot type, improves the effect of decompression.
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with the accompanying drawings and
The present invention is further detailed explanation for detailed description of the invention.
As it is shown in figure 1, the manufacture method that the present invention is directed to diabetics foot type personalization pressure-reducing insole includes:
Step 100: the threedimensional model of foot when obtaining patient at rest, extracts foot-shape profile in described threedimensional model,
To determine shoe pad profiled plan figure；Step 200: gather the plantar pressure data during patient moving, root
The pressure spikes position in described shoe pad profiled plan figure and high-pressure area is determined according to described plantar pressure data；
Step 300: described high-pressure area is carried out reduced pressure treatment.
Described foot-shape profile includes foot-shape profile 1 and footprint profile 2 (as shown in Figure 2)；Wherein, described
The method extracting foot-shape profile in described threedimensional model specifically includes: from the top view of described threedimensional model
Extracting largest contours, described largest contours is vola profile；Zero figure is determined according to footprint stress area；
Described zero figure and the intersecting curve of described threedimensional model, described intersecting curve is footprint profile.
In step 100, the method for the threedimensional model of foot during described acquisition patient at rest:
Step 101: use at least two group scanning elements with orthogonal angle, set scanning speed collection
Foot cross sectional image during patient at rest.
Step 102: all of foot cross sectional image matching gathered is formed threedimensional model.
Wherein, described scanning element can be laser scanner.In the present embodiment, by two laser scannings
Instrument scans foot cross sectional image during patient at rest with the scanning speed of orthogonal angle, 50HZ,
Foot cross sectional image matching during all of patient at rest that will be gathered forms threedimensional model.
In step 200, the described method determining pressure spikes position includes:
Step 201: interval arranges multiple pressure acquisition module on road；Step 202: when patient is to set
Determine gait of march through described road, each described pressure acquisition module with set frequency collection and foot
Plantar pressure data during each location contacts in the end；Step 203: by the described dynamic foot of plantar pressure Data Synthesis
Type image；Step 204: described dynamic foot type image is carried out subregion, determines that the pressure in each subregion is sent out
Raw time and end time；Step 205: according to the pressure time of origin of subregion each described and end time
Determine the time range of the plantar pressure image with maximum contact area；Step 206: at described time model
A frame contact area maximum image is chosen in enclosing；Step 207: determine according to described contact area maximum image
Pressure spikes position, described high-pressure area be with described pressure spikes position as the center of circle, set radius circle
Region.
Wherein, described pressure acquisition module is pressure transducer, preferably capacitance pressure transducer.Enter one
Step ground, the size of described pressure transducer is 1cm*1cm (i.e. pressure transducer and the contact area in vola
For 1cm2).In the present embodiment, when patient is to set gait of march through being layed in six meters of runway interpositions
During the pressure transducer put, capacitance pressure transducer with the frequency collection pressure signal of at least 100HZ,
Producing the power of interaction between vola and capacitance pressure transducer, this power changes capacitive pressure and passes
The current value of sensor, front and back the difference of current value is through certain signal screening and amplification, has finally given foot
The plantar pressure data at each position, the end.The vola pressure that the pressure transducer all contacted with foot is reflected
Force data constitutes dynamic foot type image.
As it is shown on figure 3, according to sole position, described dynamic foot type image is carried out partition definition: foot quilt
It is divided into 10 subregions, respectively: thumb position (hallux:T1), the second to five little toe position (toe2-5:
T2-5), the first to the 5th sole of the foot toe position (1st to 5th metatarsal head:MTH1-5), (mid in the middle part of foot
Foot:MF), medial heel (medial heel:MH) and lateral heel (lateral heel:LH)；Then,
According to different parts time of origin (ST) and end time (ET), determine the mark thing of five foot gaits
Part: heel contact (IC), half sole contact (FFC), full sole contact (FF), after heeloff (HO)
Liftoff with big toe (TO).Mathematical formulae is respectively as follows:
IC=Min (STMH, STLH) (formula 1)；
FFC=Min (STMTH1, STMTH2, STMTH3, STMTH4, STMTH5)
(formula 2)；
FF=Max (ETMTH1, ETMTH2, ETMTH3, ETMTH4, ETMTH5)
(formula 3)；
HO=Max (ETMH, ETLH) (formula 4)；
TO=ETT1 (formula 5).
Identification based on the hallmark events to five foot gaits, determines the vola with maximum contact area
The time range (i.e. FF to HO stage) of tonogram picture, chooses a frame contact surface in described time range
Long-pending maximum image, is analyzed determining pressure spikes position to described contact area maximum image.Further,
After choosing a frame contact area maximum image in described time range, in addition it is also necessary to described contact area
Big image is modified, to obtain effective pressure contact image (as shown in Figure 4).
Wherein, the method for described correction includes: deletes pressure data in described contact area maximum image and is less than
The point of the first setup pressure value.Wherein, described first setup pressure value can be 5Kpa.
In the present embodiment, it is 4 1cm based on pressure transducer device size2Key dimension, determining
The position that pressure spikes occurs, is then set to high-pressure area with periphery 1cm radius region.
In step 300, the described method that high-pressure area carries out reduced pressure treatment includes: step 301: meter
Calculate the force value of described high-pressure area；Step 302: judge that the force value of described high-pressure area is whether more than the
Two setup pressure value, if it is, carry out hollow out process to described high-pressure area, in making described high-pressure area
Form multiple through hole；Otherwise, pressure transfering part is set at high-pressure area periphery, make described high-pressure area and
Periphery is collectively forming concave shape.In the present embodiment, described second setup pressure value is 200Kpa.
Such as, when the force value of described high-pressure area is more than 200KPa, described high-pressure area is engraved
Vacancy is managed, and forms multiple through holes in making described high-pressure area.A diameter of 1cm or 2cm of described through hole.
When the force value of described high-pressure area is less than 200KPa, pressure transfering part is set at high-pressure area periphery,
Described high-pressure area and periphery is made to be collectively forming concave shape.Described pressure transfering part includes flank pad, the sole of the foot
At least one in toe pad and saddle.
Wherein, described pressure transfering part is set at high-pressure area periphery, makes described high-pressure area and periphery altogether
Include with the method forming concave shape:
Formulate the decompression schedule of high-pressure area, i.e. set the decompression target in each region；(first have to for often
Individual region, particularly high-pressure area set the target of decompression, and such as, in the middle part of half sole, we to reduce pressure
The momentum value of 50KPa)
(such as, have which region is to accept needs to the design high-pressure area effective scattered route map of pressure
The momentum value of the 50KPa of decompression)；
Formulation pressure branch philosophy: target setting pressure relief value；By described shoe pad profiled plan figure division level district:
Heel (level 1), foot in the middle part of (level 2) and half sole (level 3), the transferring route of pressure from according to from
Two ends are to intermediate transfer, i.e. toe area-half sole, in the middle part of half sole-foot, in the middle part of heel-foot；Meanwhile, same
Inside one hierarchical regions, pressure transfer is uniformly to shift to inner side and outer side；Stress transfer within level
Stress transfer (as shown in (A)-(D) in Fig. 5, arrow represents pressure shift direction) being better than between level.
When structure designs, first consider that level inner solution is the most complete, considers further that the supplementary effect between level.
When arranging pressure transfering part: judge position in each described hierarchical district, described high-pressure area, so
Afterwards described pressure transfering part is set according to the transferring route of pressure.Wherein, the material of described shoe pad is EVA
(Ethylene Vinyl Acetate, ethylene-vinyl acetate copolymer), hardness is 60-75A.
The advantage of the manufacture method that the present invention is directed to diabetics foot type personalization pressure-reducing insole is:
The manufacture method that the present invention is directed to diabetics foot type personalization pressure-reducing insole considers shoe pad simultaneously
It is suitable for design and the design of high-pressure area pressure reduction structure of size so that personalized pressure-reducing insole i.e. meets glycosuria
The foot type size characteristics of foot disease patient and decompression requirement.
The manufacture method that the present invention is directed to diabetics foot type personalization pressure-reducing insole is swashed by application three-dimensional
Photoscanning technology and stress test technology obtain and are extracted static and dynamic foot type respectively, and both approaches is replaced
The method gathered for traditional foot type, and accuracy is high, reproducible.
The manufacture method that the present invention is directed to diabetics foot type personalization pressure-reducing insole proposes pressure transfer
Route, it is possible to quickly produce personalized pressure-reducing insole for each patient with diabetic feet.
Additionally, the present invention also provides for a kind of manufacturing system for diabetics foot type personalization pressure-reducing insole.
As shown in Figure 6, the manufacturing system that the present invention is directed to diabetics foot type personalization pressure-reducing insole includes image
Acquisition module 1, extraction module 2, pressure acquisition module 3, determine module 4 and processing module 5.Wherein,
The threedimensional model of foot when described image capture module 1 obtains patient at rest, described extraction module 2 is described
Extracting foot-shape profile in threedimensional model, to determine shoe pad profiled plan figure, described pressure acquisition module 3 is spaced
Arrange on road, when patient is to set gait of march during described road, collection patient moving
Plantar pressure data, described determine that module 4 determines described shoe pad profiled plan according to described plantar pressure data
Pressure spikes position in figure and high-pressure area, described high-pressure area is carried out at decompression by described processing module 5
Reason.
Described image capture module 1 includes that at least two group scanning element and fitting unit, described at least two groups are swept
Retouch unit with foot cross sectional image when orthogonal angle, setting scanning speed collection patient at rest；
The all of foot cross sectional image matching gathered is formed threedimensional model by described fitting unit.Wherein, described
Scanning element can be laser scanner.In the present embodiment, by two laser scanners with orthogonal
Angle, 50HZ scanning speed scanning patient at rest time foot cross sectional image, all by gathered
Patient at rest time foot cross sectional image matching formed threedimensional model.
Described foot-shape profile includes vola profile and footprint profile.Described extraction module 2 includes the first extraction list
Unit, the second extraction unit, described first extraction unit extracts bull wheel from the top view of described threedimensional model
Exterior feature, described largest contours is vola profile；Described second extraction unit determines coordinate according to footprint stress area
Initial point figure, extracts the intersecting curve of described zero figure and described threedimensional model, and described intersecting curve is foot
Print-wheel is wide.
Described determine that module 4 includes image composing unit, picture portion unit, image selection unit and determines
Unit.Each frame plantar pressure Data Synthesis dynamic foot type image that described image composing unit will gather, institute
State picture portion unit and described dynamic foot type image is carried out subregion, to determine that the pressure in each subregion occurs
Time and end time, it is maximum that described image selection unit chooses a frame contact area in described time range
Image, described determines that unit determines pressure spikes position according to described contact area maximum image, and with institute
State pressure spikes position to be the center of circle, set the border circular areas of radius as high-pressure area.
Wherein, described pressure acquisition module is pressure transducer, preferably capacitance pressure transducer.Enter one
Step ground, the size of described pressure transducer is 1cm*1cm (i.e. pressure transducer and the contact area in vola
For 1cm2).In the present embodiment, when patient is to set gait of march through being layed in six meters of runway interpositions
During the pressure transducer put, capacitance pressure transducer with the frequency collection pressure signal of at least 100HZ,
Producing the power of interaction between vola and capacitance pressure transducer, this power changes capacitive pressure and passes
The current value of sensor, front and back the difference of current value is through certain signal screening and amplification, has finally given foot
The plantar pressure data at each position, the end.The vola pressure that the pressure transducer all contacted with foot is reflected
Force data constitutes dynamic foot type image.
Further, described determine that module 4 also includes amending unit (not shown), described correction list
Unit is for choosing after a frame contact area maximum image to described contact area in described time range
Big image is modified, to obtain effective pressure contact image.The modification method of described amending unit includes
Delete pressure data in described contact area maximum image and be less than the point of the first setup pressure value.Wherein, described
First setup pressure value can be 5Kpa.
Further, described high-pressure area be with described pressure spikes position as the center of circle, set radius circle
Region.In the present embodiment, it is 4 1cm based on pressure transducer device size2Key dimension, really
Determine the position that pressure spikes occurs, be then set to high-pressure area with periphery 1cm radius region.
Described processing module 5 includes computing unit, judging unit, hollow out processing unit and pressure buanch unit,
Described computing unit calculates the force value of described high-pressure area；Described judging unit judges described high-pressure area
Whether force value is more than the second setup pressure value, if it is, described hollow out processing unit is to described higher-pressure region
Territory carries out hollow out process, forms multiple through holes in making described high-pressure area；Otherwise, described pressure buanch unit
Pressure transfering part is set at high-pressure area periphery, makes described high-pressure area and periphery be collectively forming concave shape.
In the present embodiment, described second setup pressure value is 200Kpa.
Such as, when the force value of described high-pressure area is more than 200KPa, described high-pressure area is engraved
Vacancy is managed, and forms multiple through holes in making described high-pressure area.A diameter of 1cm or 2cm of described through hole.
When the force value of described high-pressure area is less than 200KPa, pressure transfer portion is set at high-pressure area periphery
Part, makes described high-pressure area and periphery be collectively forming concave shape.Described pressure transfering part include flank pad,
At least one in sole of the foot toe pad and saddle.
Wherein, described pressure transfering part is set at high-pressure area periphery, makes described high-pressure area and periphery altogether
Include with the method forming concave shape:
Formulate the decompression schedule of high-pressure area, i.e. set the decompression target in each region；(first have to for often
Individual region, particularly high-pressure area set the target of decompression, and such as, in the middle part of half sole, we to reduce pressure
The momentum value of 50KPa)
(such as, have which region is to accept needs to the design high-pressure area effective scattered route map of pressure
The momentum value of the 50KPa of decompression)；
Formulation pressure branch philosophy: target setting pressure relief value；
By described shoe pad profiled plan figure divide level district: heel (level 1), foot in the middle part of (level 2) and
Half sole (level 3), the transferring route of pressure from according to from two ends to intermediate transfer, i.e. toe area-half sole,
In the middle part of half sole-foot, in the middle part of heel-foot；Meanwhile, inside same hierarchical regions, pressure transfer is inside
Side and outside are uniformly shifted；The stress transfer that stress transfer within level is better than between level is (such as figure
Shown in 5A-Fig. 5 D, arrow represents pressure shift direction, and the numeral in () represents the pressure residue after transfer
Value).When structure designs, first consider that level inner solution is the most complete, consider further that supplementing between level
Effect.Wherein, Fig. 5 A is pressure schematic diagram before the decompression of each region, and Fig. 5 B is at the pressure within level
Transfer schematic diagram, Fig. 5 C be between adjacent level pressure transfer schematic diagram, Fig. 5 D be wall it
Between pressure transfer schematic diagram.As a example by Fig. 5 B, in level 2, raw mid pressure is-50KPa,
By carrying out pressure transfer inside level so that after transfer, the pressure of both sides, middle part is respectively 25KPa, in
Portion's pressure is 0.
When arranging pressure transfering part: judge position in each described hierarchical district, described high-pressure area, so
Afterwards described pressure transfering part is set according to the transferring route of pressure.Wherein, the material of described shoe pad is EVA
(Ethylene Vinyl Acetate, ethylene-vinyl acetate copolymer), hardness is 60-75A.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is
With the difference of other embodiments, between each embodiment, identical similar portion sees mutually.
Principle and the embodiment of the present invention are set forth by specific case used herein, above enforcement
The explanation of example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for this area
Those skilled in the art, according to the thought of the present invention, the most all can change
Part.In sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. the manufacture method for diabetics foot type personalization pressure-reducing insole, it is characterised in that
Described manufacture method includes:
Step one: the threedimensional model of foot when obtaining patient at rest, extracts foot-shape wheel in described threedimensional model
Exterior feature, to determine shoe pad profiled plan figure；
Step 2: gather the plantar pressure data during patient moving, true according to described plantar pressure data
Pressure spikes position in fixed described shoe pad profiled plan figure and high-pressure area；
Step 3: described high-pressure area is carried out reduced pressure treatment.
Making side for diabetics foot type personalization pressure-reducing insole the most according to claim 1
Method, it is characterised in that described foot-shape profile includes vola profile and footprint profile；Wherein,
Described extraction foot-shape profile in described threedimensional model, specifically includes:
Extracting largest contours from the top view of described threedimensional model, described largest contours is vola profile；
Zero figure is determined according to footprint stress area；
Extracting the intersecting curve of described zero figure and described threedimensional model, described intersecting curve is footprint wheel
Wide.
Making side for diabetics foot type personalization pressure-reducing insole the most according to claim 1
Method, it is characterised in that the method for the threedimensional model of foot during described acquisition patient at rest:
When using at least two group scanning elements to gather patient at rest with orthogonal angle, setting scanning speed
Foot cross sectional image；
The all of foot cross sectional image matching gathered is formed threedimensional model.
Making side for diabetics foot type personalization pressure-reducing insole the most according to claim 1
Method, it is characterised in that the described method determining pressure spikes position includes:
On road, interval arranges multiple pressure acquisition module；
When patient is to set gait of march through described road, each described pressure acquisition module is to set
Plantar pressure data when frequency collection and each location contacts in vola；
The each frame plantar pressure Data Synthesis dynamic foot type image that will gather；
Described dynamic foot type image is carried out subregion, determine pressure time of origin in each subregion and at the end of
Between；
Determine that there is maximum contact area according to pressure time of origin and the end time of subregion each described
The time range of plantar pressure image；
A frame contact area maximum image is chosen in described time range；
Pressure spikes position is determined according to described contact area maximum image；
Described high-pressure area be with described pressure spikes position as the center of circle, set radius border circular areas.
Making side for diabetics foot type personalization pressure-reducing insole the most according to claim 4
Method, it is characterised in that after choosing a frame contact area maximum image in described time range, also include:
The image maximum to described contact area is modified, to obtain effective pressure contact image.
6. one kind use according to according to any one of claim 1-5 for diabetics foot type individual character
Change the manufacturing system of the manufacture method of pressure-reducing insole, it is characterised in that described manufacturing system includes:
Image capture module, the threedimensional model of foot in time obtaining patient at rest；
Extraction module, for extracting foot-shape profile, to determine shoe pad profiled plan figure in described threedimensional model；
Pressure acquisition module, interval arranges on road, for when patient is to set gait of march through described road
Lu Shi, gathers the plantar pressure data during patient moving；
Determine module, for determining the pressure in described shoe pad profiled plan figure according to described plantar pressure data
Peak and high-pressure area；
Processing module, for carrying out reduced pressure treatment to described high-pressure area.
Manufacturing system the most according to claim 6, it is characterised in that described foot-shape profile includes foot
Return pulley exterior feature and footprint profile；
Described extraction module includes:
First extraction unit, for extracting largest contours, described maximum from the top view of described threedimensional model
Profile is vola profile；
Second extraction unit, for determining zero figure according to footprint stress area, extracts described coordinate former
Point diagram and the intersecting curve of described threedimensional model, described intersecting curve is footprint profile.
Manufacturing system the most according to claim 6, it is characterised in that described image capture module bag
Include:
At least two group scanning elements, described at least two group scanning elements are with orthogonal angle, setting scanning
Foot cross sectional image during speed acquisition patient at rest；
Fitting unit, forms threedimensional model for all of foot cross sectional image matching that will gather.
Manufacturing system the most according to claim 6, it is characterised in that described determine that module includes:
Image composing unit, for each frame plantar pressure Data Synthesis dynamic foot type image that will gather；
Picture portion unit, for carrying out subregion to described dynamic foot type image, to determine in each subregion
Pressure time of origin and end time；
Image selection unit, for choosing a frame contact area maximum image in described time range；
Determine unit, for determining pressure spikes position according to described contact area maximum image, and with institute
State pressure spikes position to be the center of circle, set the border circular areas of radius as high-pressure area.
Manufacturing system the most according to claim 9, it is characterised in that described determine that module includes:
Amending unit, to described in described time range after choosing a frame contact area maximum image
The image of contact area maximum is modified, to obtain effective pressure contact image.
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| CN107928001A (en) * | 2017-11-29 | 2018-04-20 | 太原理工大学 | Customized insole preparation method based on biomethanics |
| CN108630316A (en) * | 2018-05-08 | 2018-10-09 | 四川大学 | A kind of diabetes protection shoes adaptation method and system |
| CN109043737A (en) * | 2018-08-13 | 2018-12-21 | 顾萧 | A kind of footwear customization system based on 3-D scanning and three-dimensional modeling |
| CN109820281A (en) * | 2019-03-01 | 2019-05-31 | 天津科技大学 | Personalized insole optimum design method based on diabetic foot's organisational level mechanical characteristic |
| CN110014657A (en) * | 2019-04-25 | 2019-07-16 | 陈德喜 | A kind of production method depressurizing protection insole for diabetic |
| CN110123330A (en) * | 2019-05-20 | 2019-08-16 | 浙江大学 | Foot type parameter measurement and pressure cloud atlas generation method based on plantar pressure data |
| CN111714264A (en) * | 2019-03-18 | 2020-09-29 | 青岛形康三维科技有限公司 | Method for manufacturing diabetic foot shoes containing medical dressing for promoting ulcer healing |
| CN112100853A (en) * | 2020-09-16 | 2020-12-18 | 河海大学常州校区 | Insole personalized design method for supporting and pressure reducing functions |
| CN113796852A (en) * | 2021-09-30 | 2021-12-17 | 太原理工大学 | Diabetes foot prediction method based on gradient lifting decision tree model algorithm |
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| CN106626350A (en) * | 2016-12-09 | 2017-05-10 | 陕西科技大学 | Pressure reduction and protection insoles applying to high-risk diabetic foot groups and manufacturing method thereof |
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| CN108630316A (en) * | 2018-05-08 | 2018-10-09 | 四川大学 | A kind of diabetes protection shoes adaptation method and system |
| CN109043737A (en) * | 2018-08-13 | 2018-12-21 | 顾萧 | A kind of footwear customization system based on 3-D scanning and three-dimensional modeling |
| CN109820281A (en) * | 2019-03-01 | 2019-05-31 | 天津科技大学 | Personalized insole optimum design method based on diabetic foot's organisational level mechanical characteristic |
| CN111714264A (en) * | 2019-03-18 | 2020-09-29 | 青岛形康三维科技有限公司 | Method for manufacturing diabetic foot shoes containing medical dressing for promoting ulcer healing |
| CN110014657A (en) * | 2019-04-25 | 2019-07-16 | 陈德喜 | A kind of production method depressurizing protection insole for diabetic |
| CN110123330A (en) * | 2019-05-20 | 2019-08-16 | 浙江大学 | Foot type parameter measurement and pressure cloud atlas generation method based on plantar pressure data |
| CN112100853A (en) * | 2020-09-16 | 2020-12-18 | 河海大学常州校区 | Insole personalized design method for supporting and pressure reducing functions |
| CN113796852A (en) * | 2021-09-30 | 2021-12-17 | 太原理工大学 | Diabetes foot prediction method based on gradient lifting decision tree model algorithm |
| CN113796852B (en) * | 2021-09-30 | 2023-09-08 | 太原理工大学 | Diabetes foot prediction method based on gradient lifting decision tree model algorithm |
| CN117100250A (en) * | 2023-07-10 | 2023-11-24 | 北京华益精点生物技术有限公司 | Toe position determining method and device, electronic equipment and storage medium |
| CN117100250B (en) * | 2023-07-10 | 2024-05-28 | 北京华益精点生物技术有限公司 | Toe position determining method and device, electronic equipment and storage medium |
| CN117179741A (en) * | 2023-07-24 | 2023-12-08 | 北京华益精点生物技术有限公司 | Method for marking plantar position based on pressure and related equipment |
| CN117179741B (en) * | 2023-07-24 | 2024-05-28 | 北京华益精点生物技术有限公司 | Method for marking plantar position based on pressure and related equipment |
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