JP7291342B2 - Measuring orthosis, posture estimation system, design method of trunk orthosis, and method of manufacturing trunk orthosis - Google Patents

Description

TECHNICAL FIELD The present invention relates to a measurement equipment, a posture estimation system, a design method of a trunk equipment, and a manufacturing method of a trunk equipment.

BACKGROUND ART Development of trunk braces for the purpose of treatment of scoliosis has been conventionally performed (for example, Patent Document 1). In the production of conventional trunk braces, after a doctor performs an X-ray CT or X-ray diagnosis of the user, the prosthetist uses gypsum tape to make a mold of the attachment site, and then uses this mold to create a resin model. It is common to

However, since many parts of this series of work depend on the know-how of experienced prosthetists and orthotists, if the prosthetist's skill level is low, the manufactured trunk orthosis often does not meet the doctor's check. is the current situation. In this case, since it is necessary to repeat from the molding again, there is a problem that the manufacturing takes time and the manufacturing cost increases.

In addition, since it is difficult to grasp how the manufactured body trunk brace works on the user, there is a problem that it takes time to confirm the therapeutic effect.

Japanese Patent No. 4747327

Therefore, the present invention provides a measurement orthosis, a posture estimation system, a design method of a trunk orthosis, and a method of manufacturing a trunk orthosis, which enable quick and easy manufacture of a trunk orthosis that fits a user. aim.

The above-mentioned object of the present invention is a measuring instrument for acquiring information necessary for manufacturing a trunk orthosis that is worn on the trunk to correct the wearer's posture, and comprises: a body of the instrument to be worn on the trunk; , tightening means that acts on the orthosis body to generate a desired tightening force on the trunk; and a plurality of contact pressure measuring units that respectively measure the contact pressure between the orthosis body and the trunk at a plurality of sites. , is achieved by a measurement equipment further comprising a plurality of gap detectors for detecting the size of gaps generated between the wearer and the trunk when worn .

Further, the object of the present invention includes the measurement device, a storage unit that stores measurement information of the measurement device, and a calculation unit that calculates posture information of the wearer from the measurement information using a digital human model. , and an output unit for outputting the pose information.

Further, the object of the present invention is a method for designing a trunk brace using the posture estimation system , comprising: a creation step of creating a digital human model of a user; and a step of outputting data for manufacturing the trunk brace based on the wearing conditions extracted so as to maximize the posture improvement effect. .

Further, the above object of the present invention is achieved by a trunk brace manufacturing method for manufacturing a trunk brace based on design data acquired by the trunk brace design method.

INDUSTRIAL APPLICABILITY According to the present invention, there are provided a measuring orthosis, a posture estimation system, a designing method of a trunk orthosis, and a method of manufacturing a trunk orthosis, which make it possible to quickly and easily manufacture a trunk orthosis suitable for a user. be able to.

It is the perspective view which looked at the equipment for measurement concerning one embodiment of the present invention from the front side. It is the perspective view which looked at the equipment for measurement shown in FIG. 1 from the back side. FIG. 2 is a front perspective view showing a state in which the measurement equipment shown in FIG. 1 is attached to the trunk; 1. It is the perspective view which looked at the state which mounted|worn the trunk|body with the equipment for measurement shown in FIG. 1 from the back side. 1 is a block diagram of a pose estimation system according to one embodiment of the present invention; FIG. FIG. 4 is a schematic diagram showing an example of posture change of the thoracic skeleton; FIG. 4 is an explanatory diagram of a calculation method for estimating a posture change; It is a figure which shows an example of a posture change. 4 is a flow chart for explaining a method of designing a trunk brace according to an embodiment of the present invention;

<Equipment for measurement>
BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. 1 and 2 are perspective views of a measuring device according to an embodiment of the present invention, with FIG. 1 showing the front side and FIG. 2 showing the back side, respectively. 3 and 4 are perspective views showing a state in which the measurement equipment is attached to the trunk, with FIG. 3 showing the front side and FIG. 4 showing the back side. The measurement equipment 1 shown in FIGS. 1 to 4 is an equipment for obtaining information necessary for manufacturing a trunk equipment that is worn on the trunk to correct posture such as scoliosis of the spine. a tightening mechanism 20 that acts on the orthosis body 10 to generate a desired tightening force on the trunk; and a tightening force measurement unit 30 that measures the tightening force of the orthosis body 10. It has The fitting main body 10 may be attached to the trunk T directly, or may be attached via clothes or the like.

The orthosis main body 10 is a flexible member made of a plastic material (for example, polycarbonate) or a metal material (for example, aluminum). , a pressing portion 12 as the other contact portion that contacts the other side portion of the trunk T, and connecting portions 13 and 14 that connect the support portion 11 and the pressing portion 12 on the back side of the trunk T. .

The support portion 11 includes an upper support portion 111 that contacts the vicinity of the armpits and a lower support portion 112 that contacts the vicinity of the waist. The upper support portion 111 and the lower support portion 112 are provided with pads 111a and 112a respectively on the inner surface side that abuts on the trunk T, and the upper support portion 111 and the lower support portion 112 are connected by a connection portion 113. ing.

The pressing portion 12 includes a central pressing portion 121 that abuts near the middle between the armpit and the waist, and a lower pressing portion 122 that abuts near the waist. The central pressing portion 121 and the lower pressing portion 122 are provided with pads 121a and 122a, respectively, on the inner surface side that contacts the trunk T, and are connected to each other and to the lower support portion 112 by the connecting portion 14. there is Also, the central pressing portion 121 is connected to the upper support portion 111 by the connecting portion 13 . Each pad 111a, 112a, 121a, 122a preferably has appropriate cushioning and frictional properties, and for example, a cushioning material made of urethane foam can be used.

The tightening mechanism 20 includes an upper tightening mechanism 21 that tightens the upper part of the trunk T by pressing a central pressing portion 121 toward the upper support portion 111, and a lower pressing portion 122 that presses toward the lower support portion 121. A lower tightening mechanism 22 that tightens the lower portion of the trunk T is provided.

The upper tightening mechanism 21 includes a tightening belt 211 fixed at one end to the outer surface of the central pressing portion 121, and a guide member 213 supported by the upper support portion 111 via a mounting belt 212. By inserting the other end of the belt 211 through the guide member 213 and folding it back toward the front side of the trunk T, the trunk T can be tightened between the central pressing portion 121 and the upper support portion 111 .

The lower tightening mechanism 22 includes a tightening belt 221 fixed at one end to the outer surface of the lower support portion 112, and a guide member 223 supported by the lower support portion 112 via a mounting belt 222. The other end side of the belt 221 is passed through the guide member 223 through the through ring 224 provided on the outer surface of the lower pressing portion 122, and is folded back toward the front side of the trunk T, whereby the lower pressing portion 122 and the lower support portion are connected. 112, the trunk T can be tightened.

Hook-and-loop fasteners 211a and 221a are provided on the outer surfaces of the tightening belts 211 and 221, respectively, and the pull-out amounts of the tightening belts 211 and 221 from the guide members 213 and 223 are adjusted to connect the hook-and-loop fasteners 211a and 221a. A desired tightening force can be applied to the trunk T by fixing with

The tightening force measurement unit 30 includes rollers 31 and 32 that are incorporated in the guide members 213 and 223 and rotate due to contact friction with the tightening belts 211 and 221, an encoder 33 that detects the amount of rotation of the rollers 31 and 32, 34, and detects the amount of withdrawal of the tightening belts 211, 221 from the guide members 213, 223 based on the detection of the encoders 33, 34. Since the tightening force of the trunk has a correlation with the amount of withdrawal of the tightening belts 211 and 221, by measuring the tightening force of the trunk according to the amount of pulling out of the tightening belts 211 and 221 in advance, The tightening force can be measured based on the detection by the tightening force measuring unit 30 .

The configuration of the tightening force measuring unit 30 is not particularly limited. , it is also possible to measure the tightening force based on the pull-out amount of the tightening belts 211 and 221. Alternatively, the tightening force can be measured by grasping the amount by which the tightening belts 211 and 221 are pulled out from the guide members 213 and 223 by visual observation, imaging, or the like.

The tightening mechanism 20 that acts on the orthosis main body 10 to generate a desired tightening force on the trunk T is not limited to the configuration including the tightening belts 211 and 221 as in the present embodiment. A configuration may be employed in which the edges on the front side of the device main body 10 are screwed together with bolts and nuts to generate a tightening force. In this case, the tightening force can be measured by detecting the amount of protrusion of the bolt.

A plurality of gap detectors 40 are arranged at intervals in the peripheral direction of the trunk on the inner surface side of the equipment main body 10 and the tightening mechanism 20 . The gap detection unit 40 is composed of a gap sensor such as a distance measuring sensor, and detects the size of the gap generated between the body trunk T and the body trunk T in a non-contact portion. In FIG. 1, the gap detection section 40 is arranged in the support section 11, the pressing section 12, and the tightening belt 211. However, based on the shape of the brace, the body shape of the subject is accurately grasped, and the body shape is detected. It is preferable that the belts 221 and the like are uniformly distributed over the entire inner surface of the measurement equipment 1 so that the ideal line of the trunk equipment along the line can be correctly recognized. In order to obtain information about the shape of the device, for example, a displacement sensor that acquires the three-dimensional coordinates of the measurement device 1 may be attached to the measurement device 1, or another shape measuring device such as a 3D scanner camera may be used in combination. to supplement the information.

In addition, the measurement equipment 1 further includes a plurality of contact pressure measurement units 42 arranged at a plurality of positions on the inner surface side of the support part 11 and the pressing part 12 so that the contact pressure between the equipment body 10 and the trunk can be measured. I have. The contact pressure measurement unit 42 is composed of a contact pressure sensor such as a strain gauge or a piezoelectric element, and can acquire contact pressure distribution data from the measurement result of each contact pressure measurement unit 42 . The arrangement and number of the contact pressure measurement units 42 are not particularly limited, but the orthosis body 10 should have at least a hump (such as a rib hump or a lumbar hump) so that useful information can be obtained in manufacturing the trunk orthosis. It is preferably arranged so as to be able to measure the contact pressure of the portion that presses the convex portion of the scoliosis and the iliac portion. The contact pressure measurement unit 42 may be a balloon sensor capable of controlling expansion and contraction by fluid pressure such as air pressure. can be adjusted.

As shown in FIGS. 3 and 4, the measurement equipment 1 having the above configuration is attached to the trunk T so that the connecting parts 3 and 4 are in contact with the back side, and each tightening belt of the tightening mechanism 20 By inserting the distal ends of 211 and 221 into guide members 213 and 223 and fixing them on the front side of the trunk T, the trunk T can be attached. The tightening force and the contact pressure distribution when the trunk T is tightened by the tightening mechanism 20 are measured by the tightening force measurement unit 30 and the plurality of contact pressure measurement units 42 (see FIG. 1), and the contact pressure is measured at the desired level. By adjusting the tightening force so as to achieve a distribution, it is possible to quickly and easily obtain the information necessary for manufacturing the trunk brace. For example, for a subject with single-curve scoliosis, the supporting part 11 is in contact with the concave side of the scoliosis (the side on which the body falls down), and the pressing part 12 is in contact with the convex side of the scoliosis. By designing the measurement equipment 1, the central pressing part 121 presses the apical vertebrae from below, and the posture is corrected in a state of three-point support between the upper support part 111 and the lower support part 112. Then, the clamping force and contact pressure distribution at this time can be measured.

In addition, the measurement equipment 1 measures the distribution of gaps between the measurement equipment 1 and the trunk T in the peripheral direction of the trunk T using a plurality of gap detection units 40 . From this gap distribution, it is possible to grasp the optimum shape of the measurement equipment 1 under the condition that the contact pressure distribution is the best as described above, and it is possible to make the production of the trunk equipment easier.

The shape of the measurement equipment 1 is not particularly limited. For example, for a subject with double-curved scoliosis that curves in an S-shape, the shape of the supporting portion 11 and the pressing portion 12 may be It is also possible to form a pillar shape so as to support two projections on the left and right of the target user, respectively, and tighten them with a belt or the like so that they function as the one contact part and the other contact part. Alternatively, the device main body 10 may be formed in a cylindrical shape as a whole and configured so that the subject of use can enter the cylindrical interior.

<Posture estimation system>
Next, a posture estimation system for estimating the posture of the wearer using the measurement equipment 1 will be described. FIG. 5 is a block diagram of a pose estimation system according to one embodiment of the present invention. As shown in FIG. 5, the posture estimation system 50 includes the above-described measurement equipment 1 and a device main body 60 to which measurement information of the measurement equipment 1 is input by wire or wirelessly. The apparatus main body 60 is composed of, for example, a personal computer, and includes an input section 61 , a storage section 62 , a calculation section 63 and an output section 64 .

The input unit 61 is composed of a keyboard, a mouse, etc., and can input information necessary for calculation. The storage unit 62 receives and stores measurement information such as tightening force, contact pressure distribution, and gap distribution from the measurement equipment 1 . Part of the measurement information input from the measurement equipment 1 can be input, for example, from the input unit 61 or an imaging device (not shown) such as a digital camera. For example, when the tightening force of the measuring equipment 1 is to be grasped from the pull-out amount of the tightening belts 211 and 221, the pull-out amount visually observed may be input from the input unit 61, or the tightening belts may be measured by an imaging device. It is also possible to input the withdrawal amount obtained by processing the imaging data of 211 and 221 . In addition, the storage unit 62 stores imaging data of the inside of the human body, which will be described later, and various software (for example, digital human technology platform software “DhaibaWorks” and “OpenSim”) executed by the calculation unit 63. be done.

The computation unit 63 computes the posture information of the subject using the digital human model from the input information from the input unit 61 and the measurement information stored in the storage unit 62 . Specific processing of the calculation unit 63 will be described later.

The output unit 64 includes a display or the like, and displays the posture information calculated by the calculation unit 63 as image data, numerical data, or the like. A plurality of output units 64 may be arranged at locations separated from each other so that a doctor, a prosthetist, a wearer, and the like can simultaneously recognize posture information in real time. In this case, by transmitting the posture information via the Internet to personal computers placed at respective locations, the posture information can be simultaneously displayed on the output unit 64 of each personal computer.

When using the posture estimation system 50 having the above configuration, first, a digital human model of a user whose posture is to be estimated is created. For example, the digital human model acquires imaging data of the inside of the human body before and during wearing of the measurement equipment 1, and obtains these imaging data before and after the contact pressure acts, and the contact pressure when the measurement equipment 1 is worn. It can be created from distribution data. As imaging data of the inside of a human body, for example, two-dimensional data obtained by X-ray imaging or the like and three-dimensional data obtained by X-ray CT imaging or the like can be cited.

A specific model of the digital human model is not particularly limited, but in this embodiment, a rigid link model that approximates the human body (bones and joints) is used as a rigid articulated model. For example, the posture of the thoracic skeleton obtained from imaging data of the inside of the human body is the posture Φ(t0) shown in FIG. tp), and the joint torque (moment around the center of the joint) τ changes the posture Φ(tp) shown in FIG. 6B, then Δτ=kΔΦ. Here, k is the spring constant of the attitude change, and since both Δτ and ΔΦ are known, k can be obtained by calculation. can be estimated.

FIG. 7 is a diagram illustrating in more detail the method of estimating posture change from contact pressure distribution data. In FIG. 7, Φ, F, and τ are posture, contact pressure, and joint torque, respectively. each shown. Φ(tf) for arbitrary F(tf) can be estimated from Φ(t0), Φ(tp) and F(tp), which are all known, by the calculation method shown in FIG.

8A and 8B are diagrams showing an example of changes in the posture of the target user displayed on the output unit 64. FIG. 8A shows the posture before wearing the measurement equipment 1, and FIG. 1 shows the posture after wearing. Also, FIG. 8(c) shows an estimated posture when the contact pressure (joint torque) generated by the measurement equipment 1 of FIG. 8(b) is halved. Note that the arms are excluded from the calculation. In FIG. 8, the posture of the target user is shown as standing, but other postures such as sitting may be used.

As shown in FIGS. 8B and 8C, the posture clearly changes when different contact pressures are applied. is estimated and output to the output unit 64, it is possible to obtain the contact pressure for the optimum posture. For the output of the output device 64, instead of displaying the posture as an image, the index of the posture may be numerically displayed, or both the image display and the numerical display may be used. As an index of posture, the Cobb angle of the spine, which indicates the degree of scoliosis in scoliosis, can be preferably exemplified.

<Method for designing trunk brace>
Next, a method of designing a trunk brace using the posture estimation system 50 will be described with reference to the flowchart shown in FIG. First, a digital human model of a target user is created by the same method as described above (step S1).

Next, by changing the wearing conditions of the measurement equipment 1, contact pressure distribution data for a plurality of wearing conditions are obtained (step S2). The mounting conditions include the tightening force and gap size of the measurement equipment 1, which are measured by the tightening force measuring unit 30 and the gap detecting unit 40, respectively, and the contact pressure measured by the contact pressure measuring unit 42. It is input to posture estimation system 50 together with distribution data and stored in storage unit 62 .

The wearing conditions can include external shape data of the measurement equipment 1 . For example, when a displacement sensor is attached to the measurement equipment 1, the external shape data can be obtained based on the information on the three-dimensional coordinates of the measurement equipment 1 with respect to the trunk obtained by the displacement sensor. Alternatively, the outer shape data of the measuring device 1 can be obtained by measuring the measuring device 1 using an optical or contact type shape measuring device such as a distance measuring sensor, 3D scanner, or motion capture. In the latter case, it is preferable to provide the outer surface of the measuring equipment 1 with a reflective material or a marker.

It is preferable to prepare in advance a plurality of measurement equipment 1 having different sizes such as the shape and size of the support portion 11 and the pressing portion 12, and include the size of the measurement equipment 1 to be worn by the subject in the wearing conditions. . To give a specific example, first, the size, tightening force, and mounting position of the measurement equipment 1 that are considered to fit the user best based on the age and body shape of the user are selected as provisional conditions, and sensitivity analysis and the like are performed from there. Using this, contact pressure distribution data for each wearing condition is exploratoryly collected.

Also, wearability data is acquired for a plurality of wearing conditions for which contact pressure distribution data has been acquired (step S3). The wearability data can be acquired at the same time when the contact pressure distribution data for each wearing condition is measured in step S2 described above, for example.

As the wearability data, for example, the wearer quantifies the feeling of wearing under each wearing condition (for example, "0: No discomfort", "1: Slight discomfort when moving", "2: Slight discomfort when standing still", By inputting from the input unit 61, the evaluation can be stored in the storage unit 62 in association with each wearing condition. Alternatively, the range of postures that the wearer can take under each wearing condition is quantified (for example, "0: Able to exercise vigorously", "1: Able to move around freely", "2: Able to walk", "3: Able to sit It is also possible to input this from the input unit 61 as wearability data.

After that, the contact pressure distribution data for each wearing condition is input to the digital human model to estimate the change in posture, and the wearing condition that maximizes the posture improvement effect is extracted by a known optimization method, sensitivity analysis, etc. ( step S4). Based on the wearing conditions extracted in this way, the size and shape of the trunk brace to be newly created can be determined, and digital data for manufacturing the trunk brace can be output.

The extraction of wearing conditions can be determined based on the Cobb angle of the spinal column, and for example, the magnitude of the Cobb angle and the change in the Cobb angle can be extracted within a predetermined range. In addition, it is preferable to extract the optimum wearing condition from the wearing conditions whose wearability data is within the allowable range of the user, and to improve the usability of the trunk brace obtained by the design method of the present embodiment. can be done.

In addition, since the posture estimation system 50 includes a plurality of output units 64, even when a doctor, a prosthetist, a target user, and the like are in different places when determining a plurality of wearing conditions, the output units 64 While viewing the display, it is possible to communicate with each other by telephone, e-mail, or the like. For example, by displaying the estimated posture of the wearer when the measurement equipment 1 is attached under certain wearing conditions on the output unit 64 of a doctor who is located away from the work site, the doctor can display the image on the output unit 64. While the prosthetist and the user can instruct the prosthetist to correct the mounting position, tightening force, etc. of the measurement equipment 1 while viewing, the prosthetist and the user can inform the doctor of the correctable range and the feeling of use. , the following wearing conditions can be determined.

According to the design method of the trunk brace of the present embodiment, before the trunk brace is actually manufactured, the effects of use can be confirmed under various wearing conditions. It can be designed quickly and easily. In addition, by accumulating various data obtained in the process of extracting the wearing conditions in the storage unit 62, extraction of the optimum wearing conditions can be facilitated.

In addition, since the posture estimation system 50 can estimate changes in posture with respect to an arbitrary contact pressure, it is possible to predict correction without actually wearing the measurement device 1, and designing a trunk device. can be further facilitated and expedited.

<Manufacturing method of trunk brace>
By outputting the data obtained by the above designing method of the trunk brace as a design drawing, it is possible to manufacture the trunk brace using gypsum or the like in the same way as before, or use a 3D printer or a paper pattern printer. It is also possible to automatically manufacture by outputting to etc.

According to the method for manufacturing the trunk brace of the present embodiment, it is not necessary to repeat the molding and inspection of the trunk brace as in the conventional art, and the trunk brace can be manufactured efficiently, and at the same time, the mechanical and Verification of medical data can be facilitated.

1 equipment for measurement 10 equipment main body 11 support part (one contact part)
12 pressing portion (other contact portion)
20 tightening mechanisms 211, 221 tightening belts 213, 223 guide member 30 tightening force measurement unit 40 gap detection unit 42 contact pressure measurement unit 50 posture estimation system 60 device body 61 input unit 62 storage unit 63 calculation unit 64 output unit T trunk

Claims (14)

A measurement device for acquiring information necessary for manufacturing a trunk brace that is worn on the trunk to correct the wearer's posture,
an orthosis body to be worn on the trunk;
tightening means acting on the main body of the orthosis to generate a desired tightening force on the trunk;
a plurality of contact pressure measuring units that respectively measure contact pressure with the trunk at a plurality of parts of the orthosis main body ,
A measuring instrument further comprising a plurality of gap detectors for detecting the sizes of gaps between the body and the trunk when worn . The orthosis main body includes one contact portion that contacts one side of the trunk and another contact portion that contacts the other side of the trunk,
2. The measurement equipment according to claim 1, wherein said tightening means is capable of adjusting a tightening force generated between said one contact portion and said other contact portion. 3. The measuring equipment according to claim 1, further comprising a tightening force measuring unit for measuring the tightening force of the main body of the equipment by the tightening means. The tightening means includes a tightening belt and a guide member attached to the main body of the orthosis, and is configured to be capable of tightening the trunk by inserting the tip of the tightening belt through the guide member and folding it back. cage,
The measurement equipment according to claim 3, wherein the tightening force measuring unit measures the tightening force based on the amount of pulling out of the tightening belt from the guide member. The measurement equipment according to any one of claims 1 to 4 , wherein the contact pressure measuring part is arranged so as to be able to measure contact pressure with at least the hump part and the ilium part of the trunk. a measuring instrument according to any one of claims 1 to 5 ;
a storage unit that stores measurement information of the measurement equipment;
a calculation unit that calculates posture information of the wearer from the measurement information using a digital human model;
and an output unit that outputs the posture information. A measuring instrument for acquiring information necessary for manufacturing a trunk orthosis that is worn on the trunk to correct the wearer's posture, comprising an orthosis body to be worn on the trunk and an action on the orthosis body. a measuring device comprising: a tightening means for generating a desired tightening force on the trunk by pressing the device;
a storage unit that stores measurement information of the measurement equipment;
a calculation unit that calculates posture information of the wearer from the measurement information using a digital human model;
an output unit that outputs the posture information,
The posture estimation system, wherein the digital human model is created based on imaging data of the inside of the human body before and during wearing of the measurement equipment, and contact pressure distribution data when the measurement equipment is worn. A measuring instrument for acquiring information necessary for manufacturing a trunk orthosis that is worn on the trunk to correct the wearer's posture, comprising an orthosis body to be worn on the trunk and an action on the orthosis body. a measuring device comprising: a tightening means for generating a desired tightening force on the trunk by pressing the device;
a storage unit that stores measurement information of the measurement equipment;
a calculation unit that calculates posture information of the wearer from the measurement information using a digital human model;
an output unit that outputs the posture information,
The posture estimation system, wherein the posture information includes the Cobb angle of the spine. 9. The posture estimation system according to any one of claims 6 to 8 , wherein a plurality of said output units are provided, and said posture information is simultaneously output to each of said output units. A method of designing a trunk brace using the posture estimation system according to any one of claims 6 to 9 ,
a creation step of creating a digital human model of the intended user;
an acquisition step of acquiring contact pressure distribution data for a plurality of wearing conditions;
and outputting data for manufacturing the trunk brace based on the wearing conditions extracted so as to maximize the posture improvement effect. The acquiring step further comprises acquiring wearability data of the wearer for a plurality of wearing conditions,
11. The method of designing a trunk brace according to claim 10 , wherein the wearing condition that maximizes the effect of improving posture is a wearing condition extracted from among wearing conditions in which the wearability data is within an allowable range of the user. The method of designing a trunk brace according to claim 10 or 11 , wherein the wearing condition that maximizes the posture improvement effect is the wearing condition determined based on the Cobb angle of the spinal column. The wearing condition that maximizes the posture improvement effect includes information on the three-dimensional coordinates of the measurement equipment with respect to the trunk acquired by the displacement sensor attached to the measurement equipment, or the measurement equipment measured by the shape measuring device. 13. The method for designing a trunk brace according to any one of claims 10 to 12, wherein outer shape data of the measurement brace obtained based on the measured information is included. A method for manufacturing a trunk brace based on design data acquired by the trunk brace design method according to any one of claims 10 to 13 .

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