JP4908092B2 - Housing member design method and housing member design program - Google Patents

Description

  The present invention relates to a housing member design method and a housing member design program that can be designed to reduce the burden on the body when designing a housing member.

  What is meant by the current aging society is not just that the average life expectancy has increased, but the ability of the elderly to spend their daily lives or the way they live and interact with the community have changed greatly in various ways. It is also to follow. On the other hand, housing has played an important role as a place for nursing care instead of facilities, and the renovation market for housing care is expanding. In these social backgrounds, the idea of universal design that is prepared in advance for various issues such as changes in the life stage and physical ability that will face in the future is essential for future planning and supply. . By emphasizing the viewpoint of human life engineering that closely observes daily activities that are developed in each scene, it is possible to flexibly adapt to users with any characteristics, assuming individual diversity and future changes in advance. There is an urgent need to establish methods that can be proposed accurately, and to develop home specifications that take safety and functionality into consideration.

In addition, when setting standards for the performance of housing components and various parts of the house, it is necessary to improve the usability and safety / reliability performance for those who use the house, and to improve physical functions in the lives of persons with disabilities. There is known a housing that supports the above as a guideline for universal design in housing design (see, for example, Patent Document 1).
JP 2003-206642 A

  By the way, since the design work for realizing the universal design has been performed by experience and intuition by a person who has sufficient experience, there is a problem that the optimum design is not always performed. In particular, handrails, etc. for reducing standing and sitting movements are currently installed at positions that seem to be optimal, and the burden on the body during standing and sitting movements is not always reduced optimally. There is no problem.

  The present invention has been made in view of such circumstances, and in designing a housing member, a housing member design method and a housing member design program capable of performing a design for reducing the burden on the body. The purpose is to provide.

In the present invention, design rule data capable of reducing the force applied to each joint during the standing and sitting motion based on the result of measuring the force applied to each joint of the body during the standing and sitting motion is associated with the body information in advance. A design method for designing a house member for reducing the burden on the body in standing and sitting movements using a computer having a stored rule database and a member database storing house member specification data there are, to the computer, and the subject information input step of inputting physical information on the subject's body to reduce the burden on the body, the computer, the design related to the physical information input -out based on the rule data, calculates the toilet seat height of the toilet, the member is referring to the database of the specification data of the housing member, before the calculated So that the toilet seat height, select the toilet bowl and the spacer, and the seat height design step of outputting the design result information for the selected toilet bowl and the spacer, the computer, the toilet and the spacer which is output as the design result Based on the information and the design rule data related to the inputted physical information, the attachment position of the handrail used during the standing and sitting operation of the toilet is calculated, and the calculated attachment position information of the handrail Based on the handrail position design step to be output as a design result, the computer, the toilet and spacer information output as the design result, and the design rule data related to the input body information, Calculate the size of the anti-slip mat placed on the floor around the toilet and calculate the size of the anti-slip mat And having a non-slip mat size design step of outputting the information as a result of the design.

In the present invention, design rule data capable of reducing the force applied to each joint during the standing and sitting motion based on the result of measuring the force applied to each joint of the body during the standing and sitting motion is associated with the body information in advance. Residential member for designing a residential member for reducing the physical burden in standing and sitting motion using a computer having a stored rule database and a member database storing residential member specification data a design program, and a subject information input step of inputting physical information on the subject's body to reduce the burden on the body, based-out on the design rule data associated with the physical information input, The toilet seat height of the toilet bowl is calculated, and the toilet seat and the toilet seat are set so that the calculated toilet seat height is obtained by referring to the specification data of the housing member in the member database. The select p o, the seat height design step of outputting the design result information for the selected toilet bowl and the spacer, the computer, the information of the toilet bowl and the spacer which is output as the design result, which is the input Based on the design rule data related to the body information, the handrail position design that calculates the handrail attachment position used during the standing and sitting motion of the toilet and outputs the calculated handrail attachment position information as a design result And the computer arranges it on the floor around the toilet based on the toilet and spacer information output as the design result and the design rule data related to the input physical information Calculates the size of the anti-slip mat and outputs the calculated information about the size of the anti-slip mat as a design result. And Beri stop Mat size design step, characterized in that causing the computer.

  According to the present invention, it is provided with a rule database in which physical information and design rule data are stored in association with each other in advance, information relating to the subject's body that should reduce the physical burden is input, and the input physical information and design rules Based on the above, the design value of the housing member for reducing the burden on the subject's body can be obtained, so it is possible to optimally design the housing member for reducing the burden on the body in the standing and sitting motion The effect of becoming is obtained.

  Hereinafter, a housing member design method according to an embodiment of the present invention will be described with reference to the drawings. Here, the toilet will be described as an example of the place where the standing and sitting operation is performed, and the object of the residential member design method according to the present invention will be described as a member used in the toilet. FIG. 1 is a block diagram showing the configuration of the embodiment. In this figure, reference numeral 1 denotes a computer that supports the design of a residential member. Reference numeral 2 denotes an input unit composed of a keyboard, a mouse, and the like. Reference numeral 3 denotes a display unit composed of a display device or the like. The code | symbol 11 is a body information input part which inputs the body information of the person who uses the member for housings to be designed. Reference numeral 12 denotes a physical information storage unit that stores the input physical information. Reference numeral 13 denotes a member condition input unit that inputs conditions of a member to be designed. Reference numeral 14 denotes a member condition storage unit that stores input member condition information. Reference numeral 15 denotes a design processing unit that executes a design process for a member to be designed. Reference numeral 16 denotes a house design data storage unit that stores design data of a house where a member to be designed is installed. Reference numeral 17 denotes a member database in which specification data of housing members is stored. Reference numeral 18 denotes a design rule database in which design rules that are referred to when designing a housing member to be designed are stored in advance. This design rule database 17 is data in which rules based on the result of measuring the force applied to each joint in the standing and sitting motion by the sensor are defined, and the force applied to each joint (waist, knee, etc.) during the standing and sitting motion. Design rules are stored so as to be reduced.

  Here, with reference to FIGS. 10 to 16, data serving as a basis for a design rule for designing so as to reduce the force applied to each joint (waist, knee, etc.) during a standing and sitting operation in a toilet or the like will be described. .

  First, regarding the installation of the handrail, the results compared with the case where the handrail is not attached will be described. As shown in FIG. 10, when the “side horizontal handrail” is attached, a high burden reduction rate of about 30% can be obtained at the right leg hip joint. In addition, when the “side vertical handrail” is attached, a high burden reduction rate of approximately 15% can be obtained at the hip joints of both the left and right legs. In addition, when the “front horizontal handrail” is attached, a high burden reduction rate of approximately 20% can be obtained at the hip joints of the left and right legs. Further, when the “armrest railing” is attached, it is possible to obtain a high burden reduction rate of approximately 40% at the hip joints of the left and right feet and approximately 20% at the knee joints of the left and right feet. However, when the “side horizontal handrail”, “side vertical handrail”, and “front horizontal handrail” are attached, the decrease rate is negative in the knee joint. In addition, since the difference between the handrails depends on the mounting position, it is necessary to define detailed design rules for each user.

  Next, the height change of the toilet seat will be described. As shown in FIG. 11, when the seat height is “seat surface height × 1.2” compared to the case where the height of the toilet seat is “seat surface height × 1.0 times”, both the hip joints and knee joints of both the left and right legs A high burden reduction rate of about 20% can be obtained.

  Next, the floor material slip change will be described. As shown in FIG. 12, when the floor slip is “CSR = 0.3”, compared with the case where “CSR = 0.7”, the hip joints of both the left and right legs A high burden reduction rate of approximately 10% can be obtained, and when “CSR = 0.9”, a high burden reduction rate of approximately 10% can be obtained at the hip joints of both the left and right legs.

  Next, the floor material slip change when the “side horizontal handrail” is attached will be described. As shown in FIG. 13, when the slip of the flooring material is “CSR = 0.3”, compared with the case where “CSR = 0.3”, approximately 10 at the right foot hip joint. A high burden reduction rate of about 15% is obtained. When “CSR = 0.9”, a high burden reduction rate of about 15% is obtained at the right hip joint. When the “side horizontal handrail” is attached, the burden reducing effect can be further increased by making the flooring difficult to slide. In addition, when the “side vertical handrail” is attached, as shown in FIG. 14, the floor slip is “CSR = 0.3” as compared to “CSR = 0.3”. Both “0.7” and “CSR = 0.9” have no significant difference in joint burden. Further, when the “front horizontal handrail” is attached, as shown in FIG. 15, the floor slip is “CSR = 0” as compared with the case where “CSR = 0.3”. .7 ”, a high load reduction rate of about 7% can be obtained at the right leg hip joint, and even when“ CSR = 0.9 ”, it is as high as about 10% at the left leg knee joint. The burden reduction rate can be obtained. When the “front horizontal handrail” is attached, the burden reducing effect can be further increased by making the flooring difficult to slide. Further, when the “armrest railing” is attached, as shown in FIG. 16, the floor slip is “CSR = 0.0.3” as compared to the case where the flooring slip is “CSR = 0.0.3”. Both “7” and “CSR = 0.9” have no significant difference in joint burden.

  Thus, since the design rule database 18 shown in FIG. 1 stores the design rule in advance based on the measurement data shown in FIGS. 10 to 16, the house designed based on this design rule. If the member for use is used, it is possible to design so that the force applied to each joint (such as the waist and knees) during the standing and sitting operation in the toilet or the like is reduced.

  Next, with reference to FIG. 2, the operation | movement which designs the toilet seat height of a toilet bowl using the computer 1 shown in FIG. 1 is demonstrated. First, the physical information input unit 11 displays a message on the display unit 3 instructing the user to input physical information of the user who should reduce the physical burden during the standing and sitting movement. In response to this message, the designer inputs the user's seat height (see FIG. 5) from the input unit 2 (step S1). For example, it is assumed that the seat surface height is 380 mm. In response to this, the physical information input unit 11 stores the input physical information (sitting surface height) in the physical information storage unit 12.

  Next, the design processing unit 15 reads the value of the seating surface height from the physical information storage unit 12, and calculates the toilet seat height with reference to the design rules stored in the design rule database 18 (step S2). The design rule database 18 defines that the toilet seat height is calculated by multiplying the seat height by a factor of 1.2. For example, when the seat surface height is 380 mm, the toilet seat height is set to 456 mm from 380 × 1.2.

  Next, the design processing unit 15 selects a toilet with reference to the member database 17 (step S3). In the member database 17, the name of the toilet bowl that can be installed and the toilet seat height value are associated and stored, and the spacer name and size for adjusting the height of the toilet seat (increasing the height) are associated with each other. Is remembered. Based on the calculated toilet seat height (456 mm), the design processing unit 15 selects a toilet bowl and a spacer so that the toilet seat height of the toilet bowl to be installed is close to the calculated toilet seat height. At this time, the design processing unit 15 selects the toilet bowl and the spacer so that the highest toilet seat height is obtained within the range of the seat surface height (380 mm) and the calculated toilet seat height (456 mm). Therefore, in this example, a toilet with a toilet seat height of 400 mm and a spacer with a size of +50 mm are selected.

  Next, the design processing unit 15 displays the design result on the display unit 3 (step S4). As a result, the selected toilet bowl name (manufacturer model number, etc.) and spacer name (manufacturer model number, etc.) are displayed on the display unit 3. Further, the design processing unit 15 adds toilet bowl and spacer data to the design data stored in the house design data storage unit 16 based on the selected toilet bowl name and spacer name. Thus, since the toilet seat height of the toilet bowl is calculated based on the user's physical information and design rules, it is possible to design an appropriate toilet bowl according to the user's physical condition. FIG. 6 shows an example in which the toilet seat height is designed based on the design rule, and a toilet and a spacer are added to the house design data storage unit 16.

  Thus, since the toilet seat height is set to 1.2 times the seat surface height, it is possible to reduce the burden on the waist and knees when sitting on the toilet or performing an operation of standing up from the toilet. When the toilet seat height is the same as the seat surface height, the heel touches the floor, so it is convenient when adding a toilet seat. On the other hand, when standing and sitting on a toilet seat of a certain height, the higher the toilet seat height is, the lower the burden on the waist and knees when standing and sitting. The human foot has a margin to keep the heel on the floor even if the toilet seat height is 1.2 times the seat height, but the toilet seat height is 1.2 times the seat height. If it is set to a large value, the wrinkles will float and it will be difficult to use. Therefore, in order to make the toilet seat height as high as possible without deteriorating ease of use, it is appropriate to set the toilet seat height to 1.2 times the seat height.

  Next, with reference to FIG. 3, the operation | movement which designs the installation position of the handrail for reducing the burden on the body at the time of standing and sitting in a toilet using the computer 1 shown in FIG. 1 is demonstrated. First, the physical information input unit 11 displays a message on the display unit 3 instructing the user to input physical information of the user who should reduce the physical burden during the standing and sitting movement. In response to this message, the designer inputs the user's sitting height and dorsal nodal distance (see FIG. 5) from the input unit 2 (step S11). For example, it is assumed that a seat height of 870 mm and a dorsal node distance of 710 mm are input. At this time, the designer inputs member conditions as necessary. The member condition referred to here is information input when the design processing unit 15 performs design in advance to set conditions. For example, the handrail is attached to either the left or right, or the user desires This is a condition that the type of handrail is determined by. In response to this, the physical information input unit 11 stores the input physical information (sitting height, dorsal nodal distance) in the physical information storage unit 12. When the member condition is input, the member condition input unit 13 stores the input member condition information in the member condition storage unit 14.

  Next, the design processing unit 15 reads design data of the toilet bowl that has been designed from the house design data storage unit 16 (step S12). Then, the design processing unit 15 selects the type of handrail from the handrails stored in the member database 17 based on the read toilet design data and the member condition information stored in the member condition storage unit 14. Select (step S13). Here, it is assumed that the front horizontal handrail is selected as the handrail type.

Next, the design processing unit 15 refers to the design rule database 18 and obtains a position to which the selected handrail is attached (step S14). The design rule database 18 stores equations (1) and (2) that are equations for calculating the attachment position.
Installation height (height from the floor) = sitting height x 0.25 + toilet seat height + spacer height (1)
Horizontal distance from toilet seat tip = ((back finger node distance) + (toilet seat length)) x 0.5 (2)

  The design processing unit 15 calculates the attachment position according to the expressions (1) and (2), and displays the calculation result on the display unit 3 (step S15). As a result, the selected handrail type and the attachment position are displayed on the display unit 3. Further, the design processing unit 15 adds handrail data to the design data stored in the house design data storage unit 16 based on the selected handrail type and attachment position information. As described above, since the handrail attachment position is calculated based on the user's body information and the design rule, it is possible to design an appropriate handrail according to the user's body condition. FIG. 7 shows an example in which the handrail attachment position is designed based on the design rule, and a front horizontal handrail is added to the house design data storage unit 16.

Next, design rule data referred to when the armrest handrail is selected in step S13 will be described.
Since it is most preferable that the front end of the handrail of the armrest handrail hits the finger node when the user's elbow is bent at a right angle, assuming that the toilet seat length is a standard 430 mm, the back / finger node distance (see FIG. 5) Is 455 mm, a position 25 mm ahead of the toilet seat tip is the front tip of the handrail. In addition, when the back / finger node distance is 410 mm, the position is 20 mm behind the toilet seat tip, and when the back / finger node distance is 520 mm, the attachment is performed at a position 90 mm from the toilet seat tip. Yes.

  Also, the length of the handrail need only be equal to or greater than the user's elbow head / finger joint distance. Therefore, the minimum condition can be satisfied if the user's elbow head / finger joint distance is 1.1 or more. Therefore, when the elbow head / finger joint distance (see FIG. 5) is 345 mm, it is 380 mm or more, when the elbow head / finger joint distance is 310 mm, it is about 341 mm or more, and when the elbow head / finger joint distance is 370 mm, it is 407 mm or more. Is defined in the design rules.

  In addition, those who do not have force in their finger joints due to rheumatism, diseases, accidents, etc., users who have dysfunctional movement of the finger joints, functional impairment in smoothness, users who have lost their fingertips, etc. need to be supported by the entire palm. Therefore, the width of the armrest handrail is preferably about the width of the user's palm (hand width). Therefore, the design rule defines that the handrail width is the same as the palm width. FIG. 8 shows an example in which the handrail attachment position is designed based on the design rule and an armrest handrail is added to the house design data storage unit 16.

  In this way, the handrail attachment position is determined based on the user's physical information, so handrails that can reduce the burden on the waist and knees when sitting on the toilet or standing up from the toilet. Can be attached.

  Next, with reference to FIG. 4, the operation of designing the installation position of the non-slip mat for reducing the burden on the body when standing and sitting in the toilet using the computer 1 shown in FIG. 1 will be described. To do. First, the physical information input unit 11 displays a message on the display unit 3 instructing the user to input physical information of the user who should reduce the physical burden during the standing and sitting movement. In response to this message, the designer inputs the user's foot length (length from heel to toe) and shoulder width from the input unit 2 (step S21). For example, it is assumed that the foot length is 250 mm and the shoulder width is 450 mm. At this time, the designer inputs member conditions as necessary. The member condition referred to here is information input when a condition is set in advance when the design processing unit 15 performs the design. For example, the slip resistance coefficient (CSR) is determined by a user's request. It is a condition such as being. In response to this, the physical information input unit 11 stores the input physical information (foot length) in the physical information storage unit 12. When the member condition is input, the member condition input unit 13 stores the input member condition information in the member condition storage unit 14.

  Next, the design processing unit 15 reads design data of the toilet bowl that has been designed from the house design data storage unit 16 (step S22). The design processing unit 15 then selects a mat from the slip mats stored in the member database 17 based on the read toilet design data and the member condition information stored in the member condition storage unit 14. A type is selected (step S33). Here, it is assumed that a mat having a slip resistance coefficient (CSR) of 0.7 is selected as the mat type.

  Next, the design processing unit 15 refers to the design rule database 18 to determine the size (depth and width) of the selected slip prevention mat (step S14). When humans naturally stand from the toilet bowl, the sole position may be moved from the front of the toilet to the toilet side (inside) but not forward (outside). As for the distance of the tip, a factor of about 1.1% from the front of the toilet seat is defined in the design rule database 18 so that the user's foot length × 1.1 from the front of the toilet seat. For example, if the foot length is 250 mm, the distance from the front end of the non-slip mat to the front end of the toilet seat is 250 × 1.1 = 275 mm. In addition, when a person naturally stands up from the toilet, the position of the sole of the foot is drawn toward the toilet (inside). The distance from the toilet seat tip to the center of the toilet seat is sufficient. For example, in the case of a toilet with a toilet seat length of 430 mm, the distance from the front of the toilet seat to the rear end of the anti-slip mat is 430/2 = 215 mm.

  On the other hand, the width (left-right direction) is that the width of the foot when a person naturally sits down from a toilet bowl is about the width of the shoulder, so the width of the anti-slip mat is about 10% left and right, with full width, Shoulder width of user x 1.2. For example, if the shoulder width is 450 mm, the width of the anti-slip mat is 540 mm.

  The design processing unit 15 displays the size calculated according to the design rule on the display unit 3 (step S25). As a result, the type and arrangement position of the selected non-slip mat are displayed on the display unit 3. Further, the design processing unit 15 adds the data of the anti-slip mat to the design data stored in the house design data storage unit 16 based on the selected anti-slip mat and the arrangement position information. Thereby, since the handrail attachment position is calculated based on the user's body information and the design rule, it is possible to design an appropriate handrail according to the user's body condition. FIG. 9 shows an example in which the arrangement position of the anti-slip mat is designed based on the design rule, and the anti-slip mat is added to the house design data storage unit 16.

  As described above, since the arrangement of the anti-slip mat is minimized, it is possible to arrange the anti-slip mat that can reduce the burden on the waist and knees when sitting on the toilet or standing up from the toilet. It becomes possible. When an elderly person walks with a foot without raising his knees high, it may be easier to walk if the floor is slippery to some extent. If the anti-slip mat is laid on the entire toilet, movement in the toilet becomes difficult. Therefore, it is desirable that the anti-slip mat is laid only on the position where the foot is attached in the standing / sitting operation. Therefore, a floor on which only the position where the foot is attached during the standing and sitting operation is difficult to slide is suitable.

  As described above, a rule database in which physical information and design rule data are associated with each other in advance is stored, information on the body of the subject who should reduce the burden on the body is input, and the input physical information and design rules Based on the above, the design value of the housing member for reducing the burden on the subject's body can be obtained, so it is possible to optimally design the housing member for reducing the burden on the body in the standing and sitting motion Become.

  1 is recorded on a computer-readable recording medium, and the program recorded on the recording medium is read by a computer system and executed to design a member for a house. Processing may be performed. Here, the “computer system” includes an OS and hardware such as peripheral devices. The “computer-readable recording medium” refers to a storage device such as a flexible medium, a magneto-optical disk, a portable medium such as a ROM and a CD-ROM, and a hard disk incorporated in a computer system. Further, the “computer-readable recording medium” refers to a volatile memory (RAM) in a computer system that becomes a server or a client when a program is transmitted via a network such as the Internet or a communication line such as a telephone line. In addition, those holding programs for a certain period of time are also included.

  The program may be transmitted from a computer system storing the program in a storage device or the like to another computer system via a transmission medium or by a transmission wave in the transmission medium. Here, the “transmission medium” for transmitting the program refers to a medium having a function of transmitting information, such as a network (communication network) such as the Internet or a communication line (communication line) such as a telephone line. The program may be for realizing a part of the functions described above. Furthermore, what can implement | achieve the function mentioned above in combination with the program already recorded on the computer system, and what is called a difference file (difference program) may be sufficient.

It is a block diagram which shows the structure of one Embodiment of this invention. It is a flowchart which shows operation | movement of the computer 1 shown in FIG. It is a flowchart which shows operation | movement of the computer 1 shown in FIG. It is a flowchart which shows operation | movement of the computer 1 shown in FIG. It is explanatory drawing which shows the relationship between the name of body information, and a body position. It is explanatory drawing which shows an example of the toilet bowl designed by the operation | movement shown in FIG. It is explanatory drawing which shows an example of the handrail designed by the operation | movement shown in FIG. It is explanatory drawing which shows an example of the handrail designed by the operation | movement shown in FIG. It is explanatory drawing which shows an example of the non-slip mat designed by the operation | movement shown in FIG. It is a figure which shows the data used as the basis of the design rule database 18 shown in FIG. It is a figure which shows the data used as the basis of the design rule database 18 shown in FIG. It is a figure which shows the data used as the basis of the design rule database 18 shown in FIG. It is a figure which shows the data used as the basis of the design rule database 18 shown in FIG. It is a figure which shows the data used as the basis of the design rule database 18 shown in FIG. It is a figure which shows the data used as the basis of the design rule database 18 shown in FIG. It is a figure which shows the data used as the basis of the design rule database 18 shown in FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Computer, 2 ... Input part, 3 ... Display part, 11 ... Physical information input part, 12 ... Physical information storage part, 13 ... Member condition input part, 14 ... -Member condition storage unit, 15 ... design processing unit, 16 ... house design data storage unit, 17 ... member database, 18 ... design rule database

Claims (2)

A rule in which design rule data that can reduce the force applied to each joint during the standing and sitting motion based on the result of measuring the force applied to each joint of the body during the standing and sitting motion is stored in association with the physical information in advance. A design method for designing a housing member for reducing a burden on the body in a standing and sitting motion using a computer including a database and a member database in which specification data of the housing member is stored ,
A subject information input step for inputting physical information related to the subject's body to reduce the physical burden on the computer;
Wherein said computer is based-out on the design rule data associated with the physical information input, calculates the seat height of the toilet, with reference to the specification data of the residential member of the member database, the calculated Toilet seat height design step for selecting toilet bowl and spacer so as to be toilet seat height, and outputting information on the selected toilet bowl and spacer as a design result ;
The computer uses handrails used during the sitting / sitting operation of the toilet based on the toilet and spacer information output as the design result and the design rule data related to the input physical information. A handrail position design step of calculating a mounting position and outputting information of the calculated mounting position of the handrail as a design result;
An anti-slip mat placed on the floor around the toilet based on the design rule data related to the inputted body information and the information on the toilet and spacer outputted as the design result by the computer And a non-slip mat size design step for outputting information on the calculated size of the anti-slip mat as a design result . A rule in which design rule data that can reduce the force applied to each joint during the standing and sitting motion based on the result of measuring the force applied to each joint of the body during the standing and sitting motion is stored in association with the physical information in advance. This is a residential member design program for designing a residential member for reducing the physical burden in standing and sitting motions using a computer having a database and a member database in which specification data of the residential member is stored. And
A subject information input step for inputting physical information related to the subject's body to reduce physical burden;
Based-out on the design rule data associated with the input the physical information, calculates the seat height of the toilet, with reference to the specification data of the residential member of the member database, the calculated the toilet seat height The toilet seat height design step for selecting the toilet bowl and the spacer and outputting the selected toilet bowl and spacer information as a design result ,
The computer uses handrails used during the sitting / sitting operation of the toilet based on the toilet and spacer information output as the design result and the design rule data related to the input physical information. A handrail position design step of calculating a mounting position and outputting information of the calculated mounting position of the handrail as a design result;
An anti-slip mat placed on the floor around the toilet based on the design rule data related to the inputted body information and the information on the toilet and spacer outputted as the design result by the computer size is calculated, calculates slip mat size residential member design program and slip mat size design step of outputting the result of the design information, characterized in that causing the computer of the.

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