Foot test equipment based on lifting matrix

Abstract

The invention discloses foot testing equipment based on a lifting matrix, and belongs to the field of measurement. Comprising a base, an electric push rod, a camera, a laser positioner and a control host. The base is used for accommodating a single foot of a patient; an electric push rod matrix is arranged in the base; a displacement sensor is arranged in each electric push rod to measure the lifting stroke of the electric push rod; a force sensor is arranged below each electric push rod, and foot bottom pressure borne by each electric push rod is measured; cameras are respectively mounted on the left and right sides of the base to capture foot images of a patient in real time; a laser positioner is arranged behind the base, and a green line laser beam which is vertical and horizontal to the ground is emitted to the achilles tendon of the foot of the patient; the control host controls the lifting height of each electric push rod and obtains pressure feedback data borne by each push rod in real time. By controlling the plurality of electric push rods arranged in a matrix mode, the foot shape and the multi-point plantar pressure data are synchronously obtained in real time, and the consistency of the foot shape and the plantar pressure is guaranteed.

Description

Technical Field

[0001] The invention belongs to the field of medical surgical measurement, and in particular relates to a measuring device for obtaining foot shape and data. Background Art

[0002] In the field of orthopedics, orthopedic insoles have important clinical application value in all stages of prevention, relief, correction and rehabilitation of common foot and ankle surgical diseases such as "flat feet" (abbreviated as "flat feet").

[0003] For patients with flat feet, after measuring their feet and obtaining their specific physiological data, a pair of shoes that fit their specific foot shape (mainly referring to the data of the "arch" part) are customized according to their specific foot data, and can provide different and targeted ridges for each part of the arch. Targeted compression treatment or arch compensation (including different positions of the arch and the overall arch structure and angle) is performed on the feet of flat foot patients, which helps to restore the arch of the foot of flat foot patients to a normal arch physiological structure.

[0004] Before making orthopedic insoles, it is first necessary to use a foot shape measuring device (also called foot testing equipment) to measure the patient's feet accordingly.

[0005] Existing foot testing equipment is generally divided into two categories: foot shape measurement and plantar pressure measurement, which are used to test the patient's foot shape and plantar pressure respectively.

[0006] Existing foot shape measurement equipment measures and records the shape contour of the foot surface through laser scanning or structured light scanning technology.

[0007] The patent application with the application publication date of 2017.06.13 and the application publication number of CN 106820449 A discloses a "scanner, foot information analysis system and method", and its foot information analysis system includes a data processing device, a terminal device and a scanner. Among them, the data processing device is respectively connected to the terminal device and the scanner for communication. The foot information analysis method is applied to the data processing device, including responding to the user operation, sending a start command to the scanner to start the scanner, so that the scanning device moves in different directions on the transmission component to scan and collect the tester's foot image, and sending the foot image to the data processing device, and receiving the foot image scanned and collected by the scanner, processing and analyzing the foot image, and judging the tester's foot type according to the processing and analysis results.

[0008] Due to the technical limitations of optical scanning, the above-mentioned foot shape measurement equipment can only collect the static foot shape when standing barefoot on a flat surface.

[0009] The shape of the human foot changes dynamically during daily walking and is affected by the shape of the shoes and insoles. Therefore, the three-dimensional foot model collected in a static barefoot state can be used for quantitative analysis and as a reference for disease diagnosis (flatfoot, hallux valgus, etc.), but it cannot be directly applied to the subsequent design of orthopedic insoles, because the orthopedic insole needs to adjust the shape of the insole accordingly according to the specific condition of the patient.

[0010] For example, for the problem of collapsed arches in patients with flat feet, from a treatment perspective, the arch of the foot should be appropriately lifted in the orthotic insole to help the patient correct their gait. However, the foot shape measurement device obtains a three-dimensional digital model of the patient's bare feet. If this model is used to design an orthotic insole that fits the patient's foot shape perfectly, the patient's arch will not receive any support or lift when using the insole, and the condition cannot be effectively alleviated or treated.

[0011] The plantar pressure measurement device measures and records the pressure distribution data of the sole of the foot through matrix-distributed pressure-sensitive sensors.

[0012] The invention patent application with the application publication date of 2024.06.21 and the application publication number of CN 118216744 A discloses "A method and system for designing automatic learning pressure-sensing dynamic balance insoles", including the following steps: obtaining the foot shape data of the user's foot, collecting and obtaining the user's plantar pressure distribution cloud map through a plantar pressure testing device; constructing an insole model, selecting the insole material, and prefabricating the experimental insole. At the same time, based on the plantar pressure distribution cloud map, the sensor array is set at the pressure position of the user's foot on the insole; performing a dynamic pressure test on the experimental insole, the dynamic pressure test includes a walking state test and a standing state test, the walking state test is used for measurement, and the experimental insole model is adjusted based on the test results to obtain a qualified signal of the experimental insole and determine the experimental insole model data; determining the insole mold based on the experimental insole model, and producing and preparing the insole to ensure that the foot can be quickly supported during walking and increase walking comfort.

[0013] In the above technical solution, due to the process limitation of the pressure-sensitive sensor, the pressure measuring device is usually a flat plate type or an insole type.

[0014] The flat-plate pressure measuring device can measure the plantar pressure of the human bare foot, which has a good guiding role in the diagnosis of diseases such as flat feet; the insole pressure measuring device is placed in the shoe and can measure the plantar pressure of the human body wearing insoles.

[0015] The plantar pressure distribution of patients can also be quantitatively analyzed and used as a reference for disease diagnosis. However, the plantar pressure cannot be directly applied to the subsequent design of orthopedic insoles because the plantar pressure distribution changes according to the shape of the insole. The bare foot plantar pressure measured by the flat-plate pressure measuring device is completely different from the plantar pressure when the patient is wearing an insole. The insole pressure measuring device can only verify the therapeutic effect of the insole after the patient actually wears it after the orthopedic insole is manufactured. Neither of them can provide reference and guidance in the design stage of orthopedic insoles.

[0016] Due to hardware limitations, the above-mentioned foot shape measuring device and plantar pressure measuring device can only collect foot shape and plantar pressure respectively. Collecting foot shape and plantar pressure barefoot is not helpful for the subsequent design of orthopedic insoles; while collecting foot shape barefoot and collecting plantar pressure with insoles will have the problem of mismatch between foot model and pressure distribution (the foot shape when collecting pressure is different from the foot shape when collecting foot type).

[0017] In addition, due to the current production and manufacturing process limitations of orthopedic insoles, the design and production process of almost all orthopedic insoles are based on mass production. Such mass-produced orthopedic insoles cannot provide different and targeted orthopedic solutions for different individual users, which also affects their actual use effect and correction effect.

[0018] In summary, the data on foot shape and plantar pressure collected by existing foot testing equipment cannot accurately reflect the actual shape of the foot when wearing insoles, which affects doctors' assessment of foot health and formulation of treatment plans; and orthotic insole products customized using the above data may not match the patient's actual symptoms and needs, resulting in poor orthotic or treatment effects. Summary of the invention

[0019] The technical problem to be solved by the present invention is to provide a foot testing device based on a lifting matrix. The device synchronously obtains the foot shape and multi-point plantar pressure data by setting and controlling multiple electric push rods arranged in a matrix, and obtains the corresponding plantar pressure while changing the foot shape, thereby ensuring the consistency of the foot shape and plantar pressure. It can adapt to different ages, different symptoms, and different populations and accurately collect foot shapes and plantar pressures, simulate foot usage scenarios in various daily scenarios, and the collected foot shape and plantar pressure (or thrust) data can directly guide the design of orthopedic insoles; it can effectively solve the problems existing in existing foot testing equipment and provide more accurate, real-time and reliable technical support for the diagnosis and treatment of foot health.

[0020] The technical solution of the present invention is to provide a foot testing device based on a lifting matrix, which is characterized by:

[0021] At least include a base, electric push rod, camera, laser locator and control host;

[0022] The base is a groove-shaped structure with side walls, used to accommodate a single foot of the person being tested;

[0023] In the groove-shaped structure, a group of electric push rod matrices composed of a plurality of electric push rods is arranged;

[0024] Each of the plurality of electric push rods is provided with a displacement sensor for measuring and providing a lifting height or lifting stroke of the push rod of the electric push rod;

[0025] A force sensor is arranged under each electric push rod to measure the pressure on the sole of the foot borne by each electric push rod;

[0026] A camera is installed on the left and right sides of the base groove respectively, for capturing the image of the foot of the test subject in real time and transmitting the image to the control host;

[0027] At the rear of the base, a laser locator is provided for emitting a green line laser beam vertically and horizontally to the ground to the Achilles tendon of the foot of the person being tested;

[0028] The control host is used to control the lifting height of each electric push rod and obtain the pressure feedback data of each push rod in real time;

[0029] At the same time, the control host calculates the inversion and valgus angles of the left or right foot based on the relative angle relationship between the laser beam and the Achilles tendon;

[0030] The control host is internally integrated with an FGPA control unit, which processes the feedback data of each electric linear actuator in the electric linear actuator matrix and transmits it to the control host through row and column scanning and signal processing circuits;

[0031] The software system in the control host controls the longitudinal displacement of each push rod in real time by detecting the output data of each displacement sensor, so as to control the shape of the sole of the tested person, and accurately displays the force condition of the sole under the shape by reading the data of the stress sensor;

[0032] The foot testing device based on the lifting matrix realizes the pushing of different parts of the sole of the testee's foot by controlling the pushing force applied to each electric push rod; measures the pressure data of the corresponding points on the sole of the testee's foot by controlling the different lifting heights of each electric push rod; compares the measured foot shape and pressure data of each point on the sole with the standard or conventional normal foot shape and sole pressure data, so as to obtain the lifting height required for different parts of each foot of the testee and the pressure they need to withstand; and then formulates a personalized correction plan of "private customization" nature for individual testees of different ages and different symptoms to ensure the consistency of the foot shape and sole pressure of the testee.

[0033] Specifically, the multiple electric push rods are longitudinally arranged in the groove-shaped structure of the base, and are combined to form an electric push rod matrix densely arranged in the groove structure of the base, which is used to synchronously measure and obtain the arch shape and plantar pressure data of different parts of the foot.

[0034] Furthermore, a silicone pad is installed at the top of each electric linear actuator to ensure that a multi-point soft and uniform push force or pressure is provided to the sole of the foot of the subject during the test.

[0035] Furthermore, each of the electric push rods has a liftable push rod top on the upper part, and the push rod top is in contact with the sole of the testee's foot; by controlling the lifting height of each electric push rod separately, different thrusts can be applied to different parts of the sole of the testee's foot. The thrusts are detected by measuring the pressure exerted on each electric push rod, thereby realizing the force feedback function of each electric push rod.

[0036] Specifically, the electric push rod is a linear electric push rod.

[0037] The camera is a high-resolution camera.

[0038] The force sensor provides a force feedback function for the corresponding electric push rod.

[0039] Specifically, the camera captures foot images in real time and transmits the images to the control host. The software system of the control host identifies each marker point and calculates key parameters including the inner arch angle, outer arch angle, anterior arch angle, and posterior arch angle of the foot. Based on these key parameters, it determines whether the arch of the test subject is normal, and controls the local lifting and lowering of the electric push rod matrix to adjust the shape of the plantar of the test subject.

[0040] The foot testing device based on the lifting matrix described in the present invention is used to achieve comprehensive testing and analysis of the foot, provide accurate data support for foot health assessment, and provide more accurate, real-time and reliable technical support for the diagnosis, correction and treatment of foot diseases.

[0041] Furthermore, the collected data on foot shape and pressure at each point on the sole, combined with 3D printing technology, can directly guide the design of customized orthotic insoles for each individual.

[0042] Compared with the prior art, the advantages of the present invention are:

[0043] 1. The technical solution of the present invention is to set an electric push rod matrix at the test position under the foot of the testee to synchronously measure and obtain the arch shape and plantar pressure data of different parts of the foot, so as to realize comprehensive testing and analysis of the foot; the measured foot shape and pressure data of each point on the sole of the foot are compared with the standard or conventional normal foot shape and plantar pressure data, so as to obtain the required lifting height of each different part of each foot of the testee and the pressure it needs to bear; and then a "personalized" correction plan can be formulated in a targeted manner to ensure the consistency of the foot shape and plantar pressure of the testee;

[0044] 2. The technical solution of the present invention is to longitudinally arrange multiple electric push rods in the groove-shaped structure of the base, and combine them to form an electric push rod matrix densely arranged in the groove structure of the base, which can measure and obtain the arch shape and plantar pressure data of different parts of the foot in real time and synchronously;

[0045] 3. The technical solution of the present invention uses a camera to capture foot images in real time, identifies various marking points and calculates key parameters including the inner arch angle, outer arch angle, anterior arch angle and posterior arch angle of the foot. Based on these key parameters, it is determined whether the arch of the foot of the subject is normal, and the local lifting and lowering of the electric push rod matrix is ​​controlled to adjust the shape of the sole of the foot of the subject.

[0046] 4. The technical solution of the present invention overcomes the problem that the pressure collected by existing foot testing equipment does not correspond to the foot shape. The collected foot shape and plantar pressure data can directly guide the design of orthopedic insoles and has broad application prospects in the diagnosis and treatment of foot health. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 It is a schematic diagram of the overall structure of the foot testing device based on the lifting matrix of the present invention;

[0048] Figure 2 It is a schematic diagram of the overall structure of the relevant components installed on the base in the present invention;

[0049] Figure 3 It is a schematic diagram of a top view of a single base and an electric push rod therein of the present invention;

[0050] Figure 4Schematic diagram of the arrangement of the electric linear actuator matrix of the present invention;

[0051] Figure 5 It is a schematic diagram of the structure of a single set of electric push rods and force sensors;

[0052] Figure 6 It is a schematic diagram of the topological structure of the electric control system of the present invention;

[0053] Figure 7 It is a structural schematic diagram of an electric linear actuator matrix embodiment of the present invention.

[0054] In the figure, 1 is a base, 2 is an electric push rod, 3 is a silicone pad, 4 is a camera, 5 is a laser locator, 6 is a control host, 7 is a force sensor, and 8 is a displacement sensor. DETAILED DESCRIPTION

[0055] The present invention will be further described below in conjunction with the accompanying drawings.

[0056] like Figure 1 , Figure 2 and Figure 3 As shown in , the technical solution of this patent provides a foot testing device based on a lifting matrix, which is mainly composed of six components: a base 1, an electric push rod 2, a silicone pad 3, a camera 4, a laser locator 5 and a control host 6.

[0057] The foot testing device based on the lifting matrix is ​​used to achieve comprehensive testing and analysis of the foot and provide accurate data support for foot health assessment.

[0058] Specifically, Figure 3 As shown in the figure, the core working area of ​​the foot testing equipment is the left (right) foot electric push rod matrix (also called lifting matrix) arranged on the base 1. The size of the left (right) foot area is 30cm x 12cm, including 15x 6 electric push rods 2 with force feedback function.

[0059] The electric push rods 2 have a size of 2 cm x 2 cm and are densely arranged on the base 1 . A silicone pad 3 is installed on the top of each electric push rod 2 to ensure that the foot is subjected to gentle and uniform pressure during the test.

[0060] Specifically, the above-mentioned electric push rod is a linear electric push rod.

[0061] See also Figure 4 and Figure 5 As shown in FIG, a force sensor 7 is provided at the bottom of each electric push rod for measuring the plantar pressure borne by each electric push rod.

[0062] A displacement sensor 8 (or stroke sensor) is arranged on the upper part of each electric push rod for measuring the push rod lifting stroke (or lifting height) of the electric push rod.

[0063] In the present technical solution, the above-mentioned electric push rod can adopt the NL series linear electric push rod products produced by Shenzhen Nous Robot Co., Ltd. This series of products is also called micro electric cylinder (or micro linear electric cylinder), referred to as electric cylinder.

[0064] In the present technical solution, the force sensor may be a WMXX-XX series pull-rod force sensor, which is fixed at the bottom of each electric push rod to realize a force feedback function, or in other words, to measure the plantar pressure borne by each electric push rod.

[0065] Since each electric linear actuator is longitudinally fixed in the base 1, the top of the electric linear actuator, which can be raised and lowered, contacts the sole of the test subject's foot. By controlling the lifting height of each electric linear actuator separately, different thrusts can be applied to different parts of the sole of the test subject's foot. The thrusts can be detected by measuring the pressure exerted on each electric linear actuator, thereby realizing the aforementioned force feedback function.

[0066] By controlling the thrust applied to each electric push rod (including controlling the lifting height and the thrust applied to each electric push rod), it is possible to push different parts of the sole of the test subject. By controlling the lifting height and comparing the measured corresponding data of the test subject with the standard or conventional normal foot shape (mainly referring to the curvature of the arch) and plantar pressure data, the lifting height required for different parts of each foot of the test subject (corresponding to different parts of the human arch) and the pressure they need to withstand can be obtained, and then a "personally customized" personalized correction plan can be formulated for individual patients of different ages and symptoms, ensuring the consistency of the test subject's foot shape and plantar pressure. The collected foot shape and plantar pressure data, combined with 3D printing technology, can directly guide the design of customized orthopedic insoles for each different individual.

[0067] The foot testing device based on the lifting matrix can effectively solve the problems existing in the existing foot testing devices and provide more accurate, real-time and reliable technical support for the diagnosis and treatment of foot health.

[0068] like Figure 6 As shown in , the control host 6 is the control core and display center of the equipment. The control host 6 uniformly controls the lifting height of each electric push rod 2, and obtains the pressure feedback data of each push rod in real time and displays it in real time.

[0069] The control host is integrated with an FGPA (Field Programmable Gate Array) control unit. Through row and column scanning and signal processing circuits, the feedback data of 180 electric push rods on the left and right sides (corresponding to the left and right feet) are processed and transmitted to the host. The software system of the control host 6 can control the longitudinal displacement (i.e., the lifting height) of each electric push rod in real time by detecting the output data of the stroke sensor 8 to control the shape of the sole of the test person, and accurately display the force condition of the sole under this shape by reading the data of the stress sensor 7.

[0070] For further information, see Figure 2 As shown in FIG. 1 , a high-resolution camera 4 (hereinafter referred to as camera) is installed on the left and right sides of the base 1 .

[0071] During the test, the doctor attaches visual calibration marker points (marker, marker or landmark, also known as marking point) at the lowest point of the calcaneus, the lowest point of the talus, and the lowest point of the first metatarsal head. The camera captures the foot image in real time and transmits the image to the control host. The software system of the control host recognizes these marking points and calculates parameters such as the inner arch angle, outer arch angle, anterior arch angle, and posterior arch angle of the foot. Based on these key parameters, it determines whether the arch of the test subject is normal, and adjusts the shape of the test subject's plantar foot by controlling the local rise and fall of the electric push rod matrix.

[0072] In addition, the foot testing device is also provided with a laser locator 5 installed behind the left and right bases respectively.

[0073] The laser locator can emit a green line laser beam vertically and horizontally to the Achilles tendon.

[0074] The control host automatically calculates the inversion and valgus angles of the left and right feet based on the relative angle relationship between the laser beam and the Achilles tendon.

[0075] In actual use, the user only needs to stand on the electric push rod matrix to start the test. The camera 4 and the laser locator 5 will automatically capture important parameters of the foot and record and analyze them in real time through the control host 6.

[0076] At the same time, the electric push rod matrix is ​​raised and lowered uniformly according to the preset strategy, adjusting the patient's foot shape while applying different pressures to the sole of the foot, measuring the displacement and pressure of each electric push rod in real time, and all data is transmitted to the control host in real time through row and column scanning and visualized on the control interface.

[0077] The control host can also conduct comprehensive analysis of the collected data.

[0078] For example, by analyzing and calculating the displacement matrix and force matrix of the electric push rod, the shape of the sole and the force distribution under different conditions can be obtained; by locating the position changes of multiple marker points, the dynamic changes of the key parameters of the arch angle can be obtained; by locating the relative position of the laser beam and the Achilles tendon direction, the inversion and valgus angle of the foot can be evaluated.

[0079] All these data and analysis results can be stored in the control host for users to view and compare at any time.

[0080] In this technical solution, a serial communication mode can be used between the force sensor, the electric push rod and the control host (also referred to as the control board). The interface can be plugged into the control board to communicate with the host computer through the control board. The communication between the control board and the host computer adopts the USB interface.

[0081] The left and right electric push rod matrices and the corresponding force sensors are powered through the control board.

[0082] This technical solution has no special requirements for the camera and laser locator, as long as their accuracy meets the use requirements, so commercially available products that can meet the use requirements can be used. Their specific structure, working principle and specific wiring method will not be described here.

[0083] Example:

[0084] In this embodiment, the space inside a single base is larger than 200 mm×350 mm. The left and right feet need to be placed in two separate bases respectively.

[0085] like Figure 7 As shown in the figure, in a 200mm×350mm space, a group of 10×13 electric push rods (i.e., 10 horizontally and 13 vertically) are arranged, with a total of 130 pairs of electric push rods, which are combined to form an electric push rod matrix (referred to as electric cylinder), and each electric push rod is provided with a corresponding force sensor.

[0086] A control board (i.e. the aforementioned control host) is used, and the 10×13 serial communication interface of the sensor and the electric cylinder is inserted into the control board. Communication with the host computer is carried out through the control board, and the communication between the control board and the computer is designed as a USB interface.

[0087] Power is supplied to 10×13 pairs of electric cylinders + force sensors through the control board.

[0088] The other structures and electrical connections are the same as described above and will not be repeated.

[0089] During actual use, the user stands on the electric push rod matrix and starts the test. The camera 4 and the laser locator 5 will automatically capture important parameters of the foot and record and analyze them in real time through the control host 6.

[0090] At the same time, the electric push rod matrix is ​​raised and lowered uniformly according to the preset strategy, adjusting the patient's foot shape while applying different pressures to the sole of the foot, measuring the displacement and pressure of each electric push rod in real time, and all data is transmitted to the control host in real time through row and column scanning and visualized on the control interface.

[0091] The control host also performs comprehensive analysis on the collected data.

[0092] By analyzing and calculating the displacement matrix and force matrix of the electric push rod, the plantar shape and force distribution under different conditions can be obtained; by locating the position changes of multiple marker points, the dynamic changes of key parameters of the arch angle can be obtained; by locating the relative position of the laser beam and the Achilles tendon direction, it is used to evaluate the inversion and eversion angles of the foot.

[0093] All these data and analysis results are stored in the control host for users to view and compare at any time.

[0094] The foot testing device based on the lifting matrix described in the present invention obtains the foot shape and plantar pressure data in real time and synchronously, obtains the corresponding plantar pressure while changing the foot shape, ensures the consistency of plantar pressure and foot shape, and can automatically analyze the mechanical parameters and morphological data of the foot.

[0095] The technical solution of the present invention overcomes the problem that the collected pressure of existing foot testing equipment does not correspond to the foot shape. The collected foot shape and plantar pressure data can directly guide the design of orthopedic insoles and has broad application prospects in the diagnosis and treatment of foot health.

[0096] The invention can be widely used in the field of foot health diagnosis and treatment.

Claims

1. A foot testing device based on a lifting matrix, characterized by: At least include a base, electric push rod, camera, laser locator and control host; The base is a groove-shaped structure with side walls, used to accommodate a single foot of the person being tested; In the groove-shaped structure, a group of electric push rod matrices composed of a plurality of electric push rods is arranged; Each of the plurality of electric push rods is provided with a displacement sensor for measuring and providing a lifting height or lifting stroke of the push rod of the electric push rod; A force sensor is arranged under each electric push rod to measure the pressure on the sole of the foot borne by each electric push rod; A camera is installed on the left and right sides of the base groove respectively, for capturing the image of the foot of the test subject in real time and transmitting the image to the control host; At the rear of the base, a laser locator is provided for emitting a green line laser beam vertically and horizontally to the ground to the Achilles tendon of the foot of the person being tested; The control host is used to control the lifting height of each electric push rod and obtain the pressure feedback data of each push rod in real time; At the same time, the control host calculates the inversion and valgus angles of the left or right foot based on the relative angle relationship between the laser beam and the Achilles tendon; The control host is internally integrated with an FGPA control unit, which processes the feedback data of each electric linear actuator in the electric linear actuator matrix and transmits it to the control host through row and column scanning and signal processing circuits; The software system in the control host controls the longitudinal displacement of each push rod in real time by detecting the output data of each displacement sensor, so as to control the shape of the sole of the tested person, and accurately displays the force condition of the sole under the shape by reading the data of the stress sensor; The foot testing device based on the lifting matrix realizes the pushing of different parts of the sole of the testee's foot by controlling the pushing force applied to each electric push rod; measures the pressure data of the corresponding points on the sole of the testee's foot by controlling the different lifting heights of each electric push rod; compares the measured foot shape and pressure data of each point on the sole with the standard or conventional normal foot shape and sole pressure data, so as to obtain the lifting height required for different parts of each foot of the testee and the pressure they need to withstand; and then formulates a personalized correction plan of "private customization" nature for individual testees of different ages and symptoms to ensure the consistency of the foot shape and sole pressure of the testee.

2. The foot testing device based on the lifting matrix according to claim 1, characterized in that The multiple electric push rods are longitudinally arranged in the groove-shaped structure of the base, and are combined to form an electric push rod matrix densely arranged in the groove structure of the base, which is used to synchronously measure and obtain the arch shape and plantar pressure data of different parts of the foot.

3. The foot testing device based on the lifting matrix according to claim 1, characterized in that A silicone pad is installed on the top of each electric linear actuator to ensure that multi-point soft and uniform pushing force or pressure is provided to the sole of the foot of the person being tested during the test.

4. The foot testing device based on the lifting matrix according to claim 1, characterized in that Each of the electric push rods has a liftable push rod top on the upper part, and the push rod top is in contact with the sole of the testee's foot; by controlling the lifting height of each electric push rod separately, different thrusts can be applied to different parts of the sole of the testee's foot. The thrusts are detected by measuring the pressure exerted on each electric push rod, thereby realizing the force feedback function of each electric push rod.

5. The foot testing device based on the lifting matrix according to claim 1, characterized in that The electric push rod is a linear electric push rod.

6. The foot testing device based on the lifting matrix according to claim 1, characterized in that The camera is a high-resolution camera.

7. The foot testing device based on the lifting matrix according to claim 1 is characterized in that The force sensor provides a force feedback function for the corresponding electric push rod.

8. The foot testing device based on the lifting matrix according to claim 1, characterized in that The camera captures foot images in real time and transmits the images to the control host. The software system of the control host identifies each marking point and calculates key parameters including the inner arch angle, outer arch angle, anterior arch angle, and posterior arch angle of the foot. Based on these key parameters, it determines whether the arch of the test subject is normal, and controls the local lifting and lowering of the electric push rod matrix to adjust the shape of the test subject's sole.

9. The foot testing device based on the lifting matrix according to claim 1, characterized in that The foot testing device based on the lifting matrix is ​​used to achieve comprehensive testing and analysis of the foot, provide accurate data support for foot health assessment, and provide more accurate, real-time and reliable technical support for the diagnosis, correction and treatment of foot diseases.

10. The foot testing device based on the lifting matrix according to claim 1, characterized in that The collected data on foot shape and pressure at each point on the sole, combined with 3D printing technology, can directly guide the design of customized orthotic insoles for each individual.

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