CN117122306A

CN117122306A - Calculation method for calculating correction area and strength of lower limb abnormal force line

Info

Publication number: CN117122306A
Application number: CN202311086431.XA
Authority: CN
Inventors: 王圣邦; 刘金海
Original assignee: Shandong Haigu Medical Health Management Group Co ltd; Shanghai Buyu Medical Technology Co ltd
Current assignee: Shandong Haigu Medical Health Management Group Co ltd; Shanghai Buyu Medical Technology Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2023-11-28

Abstract

The application discloses a calculation method for calculating correction areas and intensities of lower limb abnormal force lines, which comprises the following steps: s1: the foot is stably placed in a neutral position, and the human body is measured according to the structure and the reconstruction requirement of the ankle foot of the human body, so that corresponding parameter data are obtained; s2: and extracting corresponding reconstruction calculation parameters according to the obtained parameter data and the reconstruction requirements to obtain correction prediction data. The correction device can be reasonably attached to be modified, the optimal wedge-shaped correction range and thickness can be determined through trigonometric function calculation, and the correction device can be suitable for different correction devices such as correction shoes/correction insoles/orthotics, so that the correction device can achieve optimal biomechanical adjustment results, can be attached to the continuous correction process, and avoid the increase of the modification difficulty.

Description

Calculation method for calculating correction area and strength of lower limb abnormal force line

Technical Field

The application relates to the technical field of ankle and foot correction, in particular to a calculation method for calculating correction areas and strength of abnormal force lines of lower limbs.

Background

Foot is an important component of the human motor system, but under the influence of many children with abnormal muscle development or lagging motor functions, and lack of exercise or lack of exercise intensity, bad physical forms and other common factors, the foot structural abnormality of adults is also more and more frequent, such as acquired flat feet, valgus of the feet and the like.

Abnormal foot structure can lead to uneven foot stress, pain is caused by pressure concentration to a certain area of the foot, and even foot structure changes are caused, for example, flat feet are a common abnormal foot structure, and correction devices are often needed to correct the abnormal foot structure.

By searching, chinese patent application No. CN115444649a discloses a method of manufacturing a foot orthotic and a foot orthotic, which discloses a method of manufacturing an orthotic model by acquiring user foot data information.

Chinese patent application No. CN101505691B discloses a foot deformity correction brace, which mentions that the existing correction device has an uncertain component that is difficult to continuously correct, and proposes to modify and design the correction device to solve the above-mentioned problems.

However, in the existing correction mode, after the foot data are acquired, the design of the correction scheme is selected through empirical evaluation, so that the error is large, the design flow of the correction scheme is difficult to be scientifically standardized, and particularly, the use process of the correction device is difficult, because the correction process period is long, the correction condition is gradually improved, frequent replacement or new correction device design is obviously excessively troublesome, the correction area and the mechanical strength are scientifically determined, and the correction device is subjected to individual selection of the transformation range and the thickness, so that the correction device fits the actual condition of a single user, the continuous and effective correction device is ensured, and the problem is to be faced.

Disclosure of Invention

The application aims to solve the defects in the prior art, and provides a calculation method for calculating the correction area and the strength of abnormal force lines of lower limbs.

In order to achieve the above purpose, the present application adopts the following technical scheme:

a calculation method for calculating correction areas and intensities of abnormal force lines of lower limbs, and fusion-designing the results of the method onto correction shoes, insoles or braces, comprising the steps of:

s1: the foot is stably placed in a neutral position, and the human body is measured according to the structure and the reconstruction requirement of the ankle foot of the human body, so that corresponding parameter data are obtained;

s2: according to the obtained parameter data and the transformation requirement, extracting corresponding transformation calculation parameters to obtain correction prediction data;

s3: respectively importing the obtained data into corresponding calculation templates, calculating the correction angle according to the obtained parameters and preset, obtaining a result, and establishing a reference line;

s4: and (3) carrying out manual evaluation according to the obtained calculation result, and carrying out fine adjustment and determination of final parameters by combining the elastic strength and the hardness (considering the change of elastic modulus and prestress) of the material, and carrying out corresponding adjustment at the corresponding position of the correction device to finish transformation.

Further, the specific flow of step S1 is as follows:

s101: fixing the human body posture, adjusting the foot position according to the height proportion of the human body, and recording the optimal position, the worst feeling position and the habitual action feeling position;

s102: determining a parameter template for ankle correction according to different positions;

s103: and measuring according to the parameter template to obtain transformation parameter measurement data.

Further, in step S1, the modification parameter measurement data includes: foot width data, height value of ankle from ground;

the mode of measuring data is as follows: the data is obtained by manually taking measurements or by any device capable of taking accurate measurements.

Further, the specific flow of step S2 is as follows:

s201: establishing a function calculation template, and calculating corresponding length and angle data through the calculation template according to the obtained measurement parameter information;

s202: according to the obtained length and angle results, correcting angle calculation is carried out, and corresponding optimal correcting predicted parameters are obtained;

s203: and matching and comparing the correction predicted parameters with the measured parameters, and calculating the data of the current parameters which need to be changed to achieve the optimal correction predicted, thereby obtaining a correction result.

Further, the reference line establishment in step S3 is specifically: establishing a standard line from the lower leg, the ankle and the heel downwards in sequence according to the current measurement data, wherein the standard line is positioned at the middle line position of the foot width, and a visual calculation reference line is established for visually judging the current foot data;

according to the steps, a visual correction prediction reference line is established according to the correction prediction parameters and is used for visually judging the finally corrected foot data.

Further, the process of transformation and adjustment specifically comprises the following steps: setting up marking nodes at positions of the lower leg, the ankle and the heel in sequence according to the obtained reference line;

establishing horizontal reference lines at the soles, and taking the intersection points of every two reference lines and the horizontal reference lines as new marking nodes;

calculating the position and angle of adjustment required by superposition of line segments between the visual correction predicted reference line and the visual calculation reference line by two nodes through a trigonometric function;

the parameters are adjusted so that the visual calculation reference line and the visual correction prediction reference line are overlapped, and modified parameter data is recorded, wherein the parameters are used as correction and transformation parameters and recorded.

Compared with the prior art, the application has the beneficial effects that: the correction of the empirical evaluation with larger error is standardized and scientifically improved, the correction device can be reasonably fitted and reformed, the optimal wedge correction range and thickness are determined through the calculation of the trigonometric function, and the correction device can be suitable for different correction devices such as correction shoes/correction insoles/orthotics, so that the correction device can achieve the optimal biomechanical adjustment result, can be fitted with continuous correction processes, and avoid the increase of the reconstruction difficulty.

Drawings

The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate the application and together with the embodiments of the application, serve to explain the application.

FIG. 1 is a flow chart of a method for calculating correction areas and intensities of abnormal force lines of lower limbs according to the present application;

fig. 2 is a schematic diagram of an embodiment of the present application.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.

Example 1

Referring to fig. 1, a method for calculating correction areas and intensities of abnormal force lines of a lower limb includes the steps of:

the parameter data includes foot width parameter, foot length parameter, foot thickness parameter, center line shape parameter from calf to heel, arch parameter, and plantar ground clearance parameter.

it should be noted that, the modification requirement includes different correction requirement degrees such as complete correction and pain improvement, and the correction prediction data is obtained by comparing one or more of the above parameter data with standard parameters of the requirement state, matching the same data, and using different standard data as the correction prediction data.

it should be noted that, the calculation template includes a parameter classification such as foot width data, and includes a calculation template of the parameter classification, by importing corresponding parameters under the corresponding parameter classification, result data is obtained quickly through the calculation template.

The difference in strength and elasticity of the selected materials affects the application of corrective forces, and secondary fine evaluation is performed manually.

It should be noted that, the manual evaluation is used to make fine adjustment to meet the definition of the difference of the modification requirement, and if a certain fine part is painful, the selective adjustment does not affect other parts.

In addition, the modification device includes corrective shoes, corrective insoles and orthotics.

In a specific embodiment of the present application, the specific flow of step S1 is as follows:

In a specific embodiment of the present application, in step S1, the modification parameter measurement data includes: foot width data, height value of ankle from ground;

Example two

Referring to fig. 1-2, based on the first embodiment, the specific flow of step S2 is as follows:

As a preferred embodiment, the reference line establishment in step S3 is specifically: establishing a standard line from the lower leg, the ankle and the heel downwards in sequence according to the current measurement data, wherein the standard line is positioned at the middle line position of the foot width, and a visual calculation reference line is established for visually judging the current foot data;

Preferably, the process of transformation and adjustment specifically comprises the following steps: setting up marking nodes at positions of the lower leg, the ankle and the heel in sequence according to the obtained reference line;

For a better understanding of the technical solution of the present application, the following description is further given in connection with the specific embodiments.

As shown in fig. 2, the specific steps are as follows:

smoothly placing the foot on a plane;

measuring the height value of the foot width data and the ankle from the ground;

establishing a virtual plane from the heel, and sequentially downwards establishing standard lines from the lower leg, the ankle and the heel, wherein the standard lines are actual reference lines of the lower leg, the ankle and the heel;

establishing a standard line for connecting the lower leg, the ankle and the heel again by using standard parameters at the starting point at the uppermost part of the actual reference line in sequence, wherein the standard line is a correction predicted reference line;

the intersection point is taken as a plane intersection point, the supporting plane is taken as a horizontal plane, a horizontal reference line is drawn, and the correction predicted reference line and the actual reference line are prolonged to be intersected;

according to trigonometric function calculation, obtaining an angle, a length and a curve required by superposition of an actual reference line and a correction estimated reference line;

according to the steps, respectively replacing the heel with the front sole to obtain angle, length and curve data for correcting the front sole;

the shape of the orthotic shoe/insole/orthosis is modified based on the angle, length and curve data obtained, the extent and thickness of the area modified at the bottom is modified.

The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.

Claims

1. A calculation method for calculating a correction area and intensity of a lower limb abnormality force line, comprising the steps of:

s4: and (3) carrying out manual evaluation according to the obtained calculation result, and carrying out fine adjustment and determination of final parameters by combining the elastic strength and the hardness of the material, and carrying out corresponding adjustment on the corresponding position of the correction device to finish transformation.

2. The method for calculating the corrected area and intensity of the abnormal force line of the lower limb according to claim 1, wherein the specific flow of step S1 is as follows:

3. The method for calculating the corrected region and intensity of the abnormal force line of the lower limb according to claim 2, wherein in step S1, the reconstruction parameter measurement data includes: foot width data, height value of ankle from ground;

4. The method for calculating the corrected area and intensity of the abnormal force line of the lower limb according to claim 3, wherein the specific flow of step S2 is as follows:

5. The method for calculating the corrected area and intensity of the abnormal force line of the lower limb according to claim 4, wherein the establishing of the reference line in step S3 is specifically: establishing a standard line from the lower leg, the ankle and the heel downwards in sequence according to the current measurement data, wherein the standard line is positioned at the middle line position of the foot width, and a visual calculation reference line is established for visually judging the current foot data;

6. The method for calculating the corrected area and intensity of the abnormal force line of the lower limb according to claim 5, wherein the procedure of modification and adjustment specifically comprises: setting up marking nodes at positions of the lower leg, the ankle and the heel in sequence according to the obtained reference line;