CN112493624A

CN112493624A - Shoe customization equipment and method suitable for diabetic patients

Info

Publication number: CN112493624A
Application number: CN202010790103.8A
Authority: CN
Inventors: 周晋; 侯科宇; 李晶晶; 刘双嘉; 李方钏; 蒋璐煜; 张熙也
Original assignee: Wenzhou Shoe Leather Industry Research Institute; Sichuan University
Current assignee: Wenzhou Shoe Leather Industry Research Institute; Sichuan University
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-03-16

Abstract

The invention discloses a shoe customizing device suitable for diabetics and a customizing method thereof, which has the technical scheme that the shoe customizing device comprises a detection device and a display device used for displaying the detection device, the display equipment is in wireless communication connection with the detection equipment, the detection equipment is provided with a pressure sensing flat plate, an arc-shaped track arranged above the pressure sensing flat plate and a camera arranged above the arc-shaped track, the camera can move along the arc-shaped track, an opening is arranged at the arc-shaped track, a bracket for supporting the shank is arranged at the opening, an arc-shaped rod is arranged on the bracket, the shoe can provide extra depth and width, reduce foot friction, relieve foot pressure of patients, correct stress condition of feet of patients, the risk of foot ulcer of each diabetic can be reduced by more than 80%, and great benefits can be brought to each diabetic.

Description

Shoe customization equipment and method suitable for diabetic patients

Technical Field

The invention relates to a shoe customization device suitable for diabetics. The invention also relates to a customization method implemented by adopting the shoe customization equipment suitable for the diabetic patient.

Background

Diabetic foot is a foot complication of diabetes, usually a diabetic foot infection, ulcer or deep tissue destruction caused by abnormalities of the distal nerves of the lower extremities and varying degrees of vasculopathy. At present, in Chinese diabetic patients, the incidence rate of diabetic foot ulcers reaches 4% -10%, and 19% -34% of diabetic patients have diabetic foot ulcers at least once in a life. The disease condition is characterized by easy onset, difficult recovery, high disability rate and high recurrence rate, and brings heavy burden to the mind, body, economy and the like of patients. The current treatment means of the diabetic foot mainly comprises operations and medicines, but the cost is huge, the treatment effect is low, and huge burden is brought to patients.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the shoe customizing device suitable for the diabetics and the shoe customizing method thereof, wherein the device can provide extra depth and width, reduce foot friction, relieve foot pressure of the diabetics and correct stress conditions of the feet of the diabetics, so that the foot ulcer risk of each diabetic can be reduced by over 80 percent, and great benefits can be brought to each diabetic.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a shoes customization equipment suitable for diabetes mellitus patient, includes check out test set and is used for showing check out test set's display device, display device and check out test set wireless communication are connected, be provided with pressure sensing flat board on the check out test set, set up in the arc track of pressure sensing flat board top and set up the camera in arc track top, the camera can remove along the arc track, arc track department is provided with the opening, and the opening part is provided with the support that is used for supporting the shank, is provided with the arc pole on the support.

Further: a connecting rod is arranged between the pressure sensing flat plate and the arc-shaped track, one end of the connecting rod is fixedly connected with the pressure sensing flat plate, and the other end of the connecting rod is fixedly connected with the arc-shaped track.

Further: and the pressure sensing flat plate is provided with a power switch and a signal connector.

Further: the arc-shaped rail is provided with an arc-shaped groove, the arc-shaped groove is used for guiding the camera to move along the set rail, and the side face of the arc-shaped groove is provided with a shielding part used for preventing the camera from being separated from the arc-shaped groove.

Further: the display device comprises a display screen, a wireless transmission device and a local data storage device, a supporting plate is arranged below the display screen, a bottom plate is arranged below the supporting plate, a placing groove is formed in the supporting plate, and the placing groove is used for placing the detection device.

Further: the utility model discloses a support plate, including backup pad, connecting plate and bottom plate, the backup pad below is provided with the connecting plate, backup pad and connecting plate are "L" type structure setting, connecting plate and backup pad fixed connection, connecting plate and bottom plate fixed connection.

A method of shoe customization by a shoe customization device adapted for use by a diabetic patient, comprising the steps of:

the method comprises the following steps: clamping the foot of the user on the support, acquiring data such as foot shape, temperature, pressure and the like of the foot of the patient by using the camera and the pressure sensing panel to form a 3D model, and uploading all the data to display equipment;

step two: the patient data collected by the detection equipment are uploaded to the cloud, medical big data of the diabetic foot are formed and subjected to data analysis, and risk assessment is conducted on the foot of the patient according to a diabetic foot ulcer risk assessment algorithm. And forming a report form by the data analysis and risk evaluation results for feedback.

Step three: determining the key size of the foot according to the collected foot shape data of the patient, determining abnormal points of the foot shape, extracting the outline of key parts of the foot, obtaining the area where the pressure peak appears according to the collected foot pressure distribution data of the patient through a design algorithm, and adjusting parameters of the insole and the sole model.

Step four: according to the collected patient data and the report form feedback result, a proper prevention scheme is recommended, the matched diabetes shoes and the matched diabetes insoles are designed, a third party is entrusted to produce, and the diabetes foot occurrence risk of the patient is reduced.

The invention has the beneficial effects that:

1. the acquisition modes of foot shape data, foot temperature data and plantar pressure data are digitalized and automated, manual steps or processes are eliminated to the greatest extent, and the acquisition modes are integrated on line.

2. According to big data standard and data analysis, calculate the high pressure of patient's foot, temperature anomaly, abnormal foot shape region, accomplish the quantitative analysis of real target patient's foot, the high-risk region of accurate display patient's foot.

3. The cloud data platform of the diabetic foot is built, and the collected foot data of the patient and the data of the patient are uploaded together to form the medical big data of the diabetic foot.

Drawings

FIG. 1 is a schematic perspective view of a detection apparatus;

fig. 2 is a schematic perspective view of a display device.

Reference numerals: 1. a detection device; 11. a pressure sensing plate; 12. an arc-shaped track; 121. an arc-shaped slot; 122. a shielding portion; 13. a camera; 2. a display device; 21. a display screen; 22. a wireless transmission device; 23. a local data storage device; 3. an opening; 31. a support; 32. an arcuate bar; 4. a connecting rod; 5. a power switch; 6. a signal connector; 7. a support plate; 70. a base plate; 71. a placement groove; 8. a connecting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 2, the shoes customization equipment suitable for diabetes mellitus patient of this embodiment, including check out test set 1 and be used for showing check out test set 1's display device 2, display device 2 is connected with check out test set 1 wireless communication, check out test set 1 is last to be provided with pressure sensing flat board 11, set up in arc track 12 of pressure sensing flat board 11 top and set up the camera 13 in arc track 12 top, and camera 13 can remove along arc track 12, arc track 12 department is provided with opening 3, and opening 3 department is provided with the support 31 that is used for supporting the shank, is provided with arc pole 32 on the support 31.

The improvement is as follows: as shown in fig. 1: the detection device 1 comprises a pressure sensing flat plate 11 and an arc-shaped rail 12yiji camera 13, when in detection, firstly, a user places calf on an arc-shaped rod 32, the camera 13 starts, the camera 13 finishes data collection after looking around the arc-shaped rail 12 for one week, the detection device 1 comprises the latest Intel RealSense practical sensing technology, carries the Realsence SR300 depth camera 13, a Flerone thermal imaging module and the pressure sensing flat plate 11, collects data of foot shape, temperature, pressure and the like of a patient foot, wherein a 3D temperature model can be obtained by matching the depth information of Realsence and the temperature information of the Flerone, all the data are uploaded to a cloud end, after the patient data collected by the detection device 1 are uploaded to the cloud end, medical big data of a diabetic foot are formed and analyzed, and risk assessment is carried out on the patient according to a diabetic foot ulcer assessment algorithm, forming a report form by the data analysis and risk evaluation results for feedback, and displaying the feedback result on the display device 2;

three-dimensional modeling technology: in the aspect of three-dimensional imaging, the latest Intel RealSense hardness sensing technology and realsenceSR300 depth camera are used, the active three-dimensional imaging principle is adopted, the parallax principle of human eyes is simulated, a beam of infrared light is emitted, the position of the beam of light is tracked by a left infrared sensor and a right infrared sensor, and then the depth information in a 3D image is calculated by the triangulation positioning principle. Meanwhile, the 'texture' information under the same angle is obtained through the visible light camera 13 carried on the SR300 and is matched with the 'depth' information, so that the 3D model display of the foot of the patient is realized;

temperature imaging technology: the imaging principle of the realsenceSR300 is utilized ingeniously, and the visible light camera 13 is replaced by the temperature camera 13. The method comprises the steps of calibrating a camera by using a Matlab calibration box and an OpenCV function library, obtaining internal and external parameters and a correlation matrix of the camera, adjusting distortion of a temperature camera, registering two cameras 13, obtaining depth information and temperature information of the same point at the same angle, and establishing a 3D temperature model of the foot of a patient in a 3D space.

Pressure sensing technology: arranging 2288 pressure sensors into 52 rows by 44 columns to form a pressure sensing flat plate 11 with the thickness of 30.5cm by 36.4cm, connecting an acquisition circuit board through an FPC (flexible printed circuit) interface to collect and arrange data of the sensors, and displaying the pressure size, pressure distribution and contact area of the sole in a 2D (two-dimensional) outline graph;

the design method of the diabetes shoes comprises the following steps: the examiner uses the rapid screening system to acquire foot three-dimensional information, foot temperature information and foot pressure information, and the obtained data is processed by relying on a design algorithm in a patent 'design method for individualized pressure reduction insoles for foot shapes of diabetics' owned by the team, and a model with the data is delivered to qualified signing manufacturers for production. The product comprises a personalized decompression insole for the diabetic foot and a pair of corresponding special nursing shoes for the diabetic foot. This process enables an integrated service from data collection to product design and manufacture, enabling the fitting of foot data to care products.

On the basis of the above embodiment, a connecting rod 4 is arranged between the pressure sensing flat plate 11 and the arc-shaped rail 12, one end of the connecting rod 4 is fixedly connected with the pressure sensing flat plate 11, and the other end is fixedly connected with the arc-shaped rail 12.

The improvement is as follows: through the setting of connecting rod 4, can effectual support arc track 12 to supplementary camera 13 removes and collects data.

In addition to the above embodiments, the pressure sensing plate 11 is provided with a power switch 5 and a signal connector 6.

The improvement is as follows: the pressure sensor is provided with a power switch 5 and a signal connector 6, the signal connector 6 can adopt two modes of wired connection and wireless connection: when adopting wireless connection, only need carry check out test set 1, check out test set 1 can connect the computer of hospital, with data display on the display, also can save locally.

On the basis of the above embodiment, the arc-shaped rail 12 is provided with an arc-shaped groove 121, the arc-shaped groove 121 is used for guiding the camera 13 to move along a predetermined rail, and the side surface of the arc-shaped groove 121 is provided with a shielding portion 122 for preventing the camera 13 from separating from the arc-shaped groove 121.

The improvement is as follows: arc track 12 is provided with arc wall 121, and arc wall 121 side still is provided with shielding portion 122 that is used for preventing that camera 13 breaks away from arc wall 121, and through the setting of arc wall 121 and shielding portion 122, can effectual supplementary camera 13 remove.

On the basis of the above embodiment, as shown in fig. 2: the display device 2 comprises a display screen 21, a wireless transmission device 22 and a local data storage device 23, a support plate 7 is arranged below the display screen 21, a bottom plate 70 is arranged below the support plate, a placement groove 71 is arranged on the support plate 7, and the placement groove 71 is used for placing the detection device 1.

The improvement is as follows: display device 2 includes display screen 21, wireless transmission device 22 and local storage device, and display screen 21 below has set up backup pad 7, has set up standing groove 71 in the backup pad 7, has set up check out test set 1 in the standing groove 71, and local storage device can be better collects data to form the collection storehouse with data collection.

On the basis of the above embodiment, a connecting plate 8 is arranged below the supporting plate 7, the supporting plate 7 and the connecting plate 8 are arranged in an L-shaped structure, the connecting plate 8 is fixedly connected with the supporting plate 7, and the connecting plate 8 is fixedly connected with the bottom plate 70.

The improvement is as follows: the connecting plate 8 is arranged below the supporting plate 7, and the connecting plate 8 can be effectively fixed on the bottom plate 70 through the arrangement of the connecting plate 8.

the method comprises the following steps: the user clamps the foot on the bracket 31, the data of the foot shape, the temperature, the pressure and the like of the patient foot are collected by the camera 13 and the pressure sensing flat plate 11 to form a 3D model, and all the data are uploaded to the display device 2;

step two: the patient data collected by the detection equipment 1 are uploaded to the cloud, medical big data of the diabetic foot are formed and subjected to data analysis, and risk assessment is conducted on the foot of the patient according to a diabetic foot ulcer risk assessment algorithm. And forming a report form by the data analysis and risk evaluation results for feedback.

The improvement is as follows: the patient arch data sizes are shown in the following figures:

the specific design steps of the personalized decompression insole are as follows:

1. measuring the three-dimensional size of the foot by adopting a foot three-dimensional scanner, extracting the outline of a key area of the foot, and determining the relation between the insole and the foot size;

2. collecting the sole pressure distribution by adopting a sole pressure testing system, obtaining an area where a pressure peak value appears by a design algorithm, and automatically identifying a radius of 1cm around the pressure peak value as a high-pressure area;

3. a pressure transfer principle and an algorithm are formulated, so that the over-high pressure is effectively transferred, and the high-pressure risk of other areas is not increased obviously;

4. the hollow-out and high-pressure area periphery is provided with a pressure transfer module to realize the corresponding pressure buffer structure design;

5. drawing a design drawing of the personalized pressure reduction insole;

6. three-dimensional modeling and CNC machining;

the design method has accurate data and good repeatability, provides a design scheme of a targeted personalized pressure reduction insole for each diabetic foot patient through a large number of mathematical models and algorithms, and realizes the manufacturing of the personalized pressure reduction insole through a numerical control machine tool. In addition, on the basis, the special nursing shoes for the diabetic foot can be manufactured by depending on the personalized decompression insoles. The nursing shoes have smaller difference relative to the insoles and mainly play a role in reducing pressure by combining the insoles. The processing mode of the special nursing shoe for the diabetic foot in the aspects of suture lines, interfaces and the like is greatly different from that of common shoes, the diabetic foot patient feels uncomfortable and feels dull on feet due to nerve damage and easily causes foot damage, the special nursing shoe can effectively avoid the problems, an individual foot analysis algorithm of the patient can manufacture a foot model training set according to the obtained big data of key points of the feet, an initial parameter of a foot image and a three-dimensional foot model is obtained from a foot training sample, a posture self-adaptive feature and a normalized coordinate code are generated according to the foot image and the initial parameter, the posture self-adaptive feature and the normalized coordinate code are respectively transformed and fused by using a convolutional neural network to obtain a real residual error and a parameter residual error of the initial parameter, the initial parameter is updated according to the parameter residual error, the process is repeated until the parameter residual error reaches a preset threshold value, and updating the three-dimensional foot model by using the parameter residual error reaching the preset threshold value, and collecting all foot key points on the three-dimensional foot model. After the key points of the foot are obtained, point cloud registration and visual labeling are carried out on the three-dimensional foot model by using a point cloud library correlation algorithm, distance information of each key point is labeled in the three-dimensional foot model, and a detailed csv data report is generated.

Implementing an individual foot analysis algorithm for the patient: the method comprises the steps of manufacturing a foot model training set according to acquired big data of foot key points, acquiring initial parameters of a foot image and a three-dimensional foot model from a foot training sample, generating a posture self-adaptive feature and a normalized coordinate code according to the foot image and the initial parameters, performing transformation fusion on the posture self-adaptive feature and the normalized coordinate code respectively by using a convolutional neural network to obtain a real residual error and a parameter residual error of the initial parameters, updating the initial parameters according to the parameter residual error, repeating the process until the parameter residual error reaches a preset threshold value, updating the three-dimensional foot model by using the parameter residual error reaching the preset threshold value, and acquiring various foot key points on the three-dimensional foot model. After the key points of the foot are obtained, point cloud registration and visual labeling are carried out on the three-dimensional foot model by using a point cloud library correlation algorithm, distance information of each key point is labeled in the three-dimensional foot model, and a detailed csv data report is generated.

The data acquisition mode integration is realized: in the design process of the prior diabetic shoes, a patient needs to stand and walk on a pressure test running pad, the pressure bearing condition of the sole of the patient when the patient stands and walks is detected, data analysis and functional requirement analysis are carried out according to the detection result, the sizes of the group length, the foot width and the like of the foot of the patient are measured, and the parameters of the key parts of the foot, the overall outline and the stress surface of the foot are obtained. Such a data acquisition mode is high in cost and long in time consumption, and partial operation and analysis need to be performed manually, which is not favorable for efficient progress of the whole process. According to the diabetes foot rapid detection device, the acquisition modes of foot shape data, foot temperature data and sole pressure data are digitized and automated, manual steps or processes are eliminated to the greatest extent, the acquisition modes are integrated on the device, the high-efficiency and integration of the foot data acquisition of a diabetic patient are realized, and the design of diabetes shoes and diabetes insoles is more digitized and efficient.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. A shoe customization apparatus adapted for use by a diabetic patient, characterized by: including check out test set (1) and be used for showing display device (2) of check out test set (1), display device (2) are connected with check out test set (1) wireless communication, be provided with pressure sensing flat board (11) on check out test set (1), set up in arc track (12) of pressure sensing flat board (11) top and set up camera (13) in arc track (12) top, camera (13) can remove along arc track (12), arc track (12) department is provided with opening (3), and opening (3) department is provided with support (31) that are used for supporting the shank, is provided with arc pole (32) on support (31).

2. The shoe customization device according to claim 1, wherein: a connecting rod (4) is arranged between the pressure sensing flat plate (11) and the arc-shaped track (12), one end of the connecting rod (4) is fixedly connected with the pressure sensing flat plate (11), and the other end of the connecting rod is fixedly connected with the arc-shaped track (12).

3. The shoe customization device according to claim 2, adapted for use by a diabetic patient, characterized in that: the pressure sensing flat plate (11) is provided with a power switch (5) and a signal connector (6).

4. The shoe customization device according to claim 3, wherein: the arc-shaped rail (12) is provided with an arc-shaped groove (121), the arc-shaped groove (121) is used for guiding the camera (13) to move along a given rail, and the side face of the arc-shaped groove (121) is provided with a shielding part (122) used for preventing the camera (13) from being separated from the arc-shaped groove (121).

5. The shoe customization device suitable for the diabetic patient according to claim 1, 2, 3 or 4, wherein the display device (2) comprises a display screen (21), a wireless transmission device (22) and a local data storage device (23), a support plate (7) is arranged below the display screen (21), a bottom plate (70) is arranged below the support plate, a placement groove (71) is arranged on the support plate (7), and the placement groove (71) is used for placing the detection device (1).

6. The shoe customization device according to claim 5, wherein: the supporting plate is characterized in that a connecting plate (8) is arranged below the supporting plate (7), the supporting plate (7) and the connecting plate (8) are arranged in an L-shaped structure, the connecting plate (8) is fixedly connected with the supporting plate (7), and the connecting plate (8) is fixedly connected with the bottom plate (70).

7. A method of shoe customization implemented using the apparatus of claim 6 adapted for diabetic shoe customization, characterized by: the method comprises the following steps:

the method comprises the following steps: clamping the foot of a user on a support (31), acquiring data such as foot shape, temperature, pressure and the like of the foot of the patient by using a camera (13) and a pressure sensing flat plate (11) to form a 3D model, and uploading all the data to a display device (2);

step two: uploading the patient data acquired by the detection equipment (1) to a cloud end, forming medical big data of the diabetic foot, performing data analysis, performing risk assessment on the foot of the patient according to a diabetic foot ulcer risk assessment algorithm, and forming a report form by data analysis and risk assessment results to feed back;

step three: determining the key size of the foot according to the collected foot shape data of the patient, determining abnormal points of the foot shape, extracting the outline of key parts of the foot, obtaining the area where the pressure peak appears through a design algorithm according to the collected foot pressure distribution data of the patient, and adjusting parameters of the insole and the sole model;

step four: according to the collected patient data and the report feedback result, a proper prevention scheme is recommended, the matched diabetes shoes and the matched diabetes insoles are designed, and a third party is entrusted to produce and manufacture, so that the diabetes foot occurrence risk of the patient is reduced.