CN115937437A - Manufacturing method of arch orthosis for school-age children - Google Patents
Manufacturing method of arch orthosis for school-age children Download PDFInfo
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- CN115937437A CN115937437A CN202310103813.2A CN202310103813A CN115937437A CN 115937437 A CN115937437 A CN 115937437A CN 202310103813 A CN202310103813 A CN 202310103813A CN 115937437 A CN115937437 A CN 115937437A
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Abstract
The invention discloses a method for manufacturing an arch orthosis for school-age children, which specifically comprises the following steps: step 1, scanning the feet of a school-age child through a three-dimensional scanner to obtain a pre-processing model of the arch form of the school-age child; step 2, cutting the target arch region of the preprocessed model obtained in the step 1 by taking ankle characteristic points as mark points and connecting lines obtained by series connection as cutting lines to obtain a second model; step 3, importing the model II obtained in the step 2 into Rhino software, converting the key points into coordinate data, and fitting curve lofting into a NUBRS curved surface, namely a complete and accurate arch form curved surface of the school-age child; and 4, performing parameter batch offset on the arch form curved surface of the school-age child obtained in the step 3 to the outside to obtain an entity model. The method comprises the steps of constructing an individual arch orthosis for the school-age children, and finally verifying the effectiveness of the orthosis by means of a motion capture system and a plantar pressure test system, so as to provide a basis for subsequent recovery of abnormal arch intervention and correction.
Description
Technical Field
The invention relates to the technical field of arch orthotics, in particular to a manufacturing method of an arch orthotics for school-age children.
Background
The 6-10 years old is an important period for the development of the arches of the children, and the children are easy to have abnormal arches, such as high arches, flat feet and the like. The flat foot is a special condition that the arch is too low or disappears, can generate continuous influence on the gait of children, even induces foot diseases such as hallux valgus, strephenopodia and the like, and even causes irreversible interference on the gait of adults.
In order to further develop the field of the foot arch rehabilitation of the children, intervention and correction of abnormal foot arches are performed, and more complete and complete personalized customization of the foot arch orthotics of the children is necessary, so that the foot arch orthotics have important theoretical and practical significance.
Disclosure of Invention
The invention aims to provide a manufacturing method of an arch orthotic device for school-age children, which is characterized in that collected digital chemical-age children arch original data are processed through a digital acquisition technology on the basis of a reverse engineering technology, the key point is that high-accuracy child arch processing data can be obtained, an individual arch orthotic device design is carried out, a basis is provided for subsequent rehabilitation of abnormal arch intervention and correction, and the effectiveness of the orthotic device is verified through dynamic capture and foot compaction tests for carrying out orthopedic rehabilitation effect evaluation.
The invention relates to a method for manufacturing an arch orthosis for school-age children, which specifically comprises the following steps:
step 1, scanning feet of a school-age child through a three-dimensional scanner to obtain original data of the arch of the school-age child, transmitting the scanned original data to a computer, processing redundant original data through importing reverse engineering software Geomagic student i o, wherein the original data comprises miscellaneous surfaces, broken surfaces and noise points, performing surface smoothing, establishing a characteristic plane to be aligned to a global coordinate system, and correcting the model position of the original data; packaging to obtain a pre-processing model of the shape of the arch of the foot of the school-age child; and (3) constructing a pre-processing model of the arch form of the school-age children by the aid of Rh i no software on the arch three-dimensional model data obtained in the step (1).
Step 2, cutting the target arch region of the preprocessed model obtained in the step 1 by taking ankle characteristic points as mark points and connecting lines obtained by series connection as cutting lines to obtain a second model;
step 3, importing the model II obtained in the step 2 into Rh i no software, obtaining a plurality of equidistant cutting lines by means of a 'curve segmentation' tool, picking up key points on the obtained equidistant cutting lines, converting the key points into coordinate data, refitting a curve by using the coordinate data, and lofting and fitting the curve into a NUBRS curved surface, namely a complete and accurate arch form curved surface of the school-age child;
and 4, performing parameter batch offset on the arch form curved surface of the school age child obtained in the step 3 to the outside to obtain an entity model, namely the school age child arch orthosis.
Preferably, in the steps 1-4, the personalized custom-made child arch orthosis with high comfort and high matching degree can be obtained through rapid scanning, rapid modeling and rapid printing.
Preferably, the evaluation method of the arch orthosis for school-age children comprises the following steps:
in the evaluation of the effect of the orthosis, a motion capture system and a plantar pressure test system are adopted to collect relevant data of gait and plantar pressure;
before rehabilitation training is carried out by using the arch orthosis of the school-age children, a motion capture system is used for collecting walking posture gait data of normal children and abnormal arch children when the children walk, a sole pressure test system is used for collecting sole pressure distribution data when the children stand and walk respectively, and the data are processed by software to be used as an original database.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a three-dimensional model is obtained by processing original data obtained by three-dimensional scanning, an individual school-age child arch orthosis is constructed, and finally the effectiveness of the orthosis is verified by means of a motion capture system and a plantar pressure test system, so that a foundation is provided for subsequent recovery of abnormal arch intervention and correction, and the wearing comfort of a patient is improved.
Drawings
Fig. 1 is a schematic flow chart of a method of making an arch orthotic for a school-age child according to the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1, the manufacturing method of the arch orthotic device for school-age children specifically comprises the following steps:
step 1, scanning feet of a school-age child through a three-dimensional scanner to obtain original data of the arch of the school-age child, transmitting the scanned original data to a computer, processing redundant original data through introducing reverse engineering software Geomagi c student i o, wherein the original data comprises miscellaneous surfaces, broken surfaces and noise points, performing surface smoothing, establishing a characteristic plane to be aligned to a global coordinate system, and correcting the model position of the original data; packaging to obtain a pre-processing model of the shape of the arch of the foot of the school-age child; the specific operation steps are as follows:
1) Introducing Geomagic studio io software, executing filtering, reducing noise, filtering isolated noise points, and correcting point positions;
2) Cutting large-area redundant surfaces to ensure that the cutting surfaces are parallel to the global coordinate system;
3) Concave-convex data such as nails and the like interfering with identification are removed, and surface rapid smoothing processing is carried out, so that a smooth, continuous and complete arch polygonal surface patch model can be obtained;
4) Establishing a characteristic plane to align to a global coordinate system and righting the position of the model;
5) And packaging to obtain the arch form pretreatment model of the school-age children.
Step 2, cutting the target arch region of the preprocessed model obtained in the step 1 by taking ankle characteristic points as mark points and connecting lines obtained by series connection as cutting lines to obtain a second model;
step 3, importing the model II obtained in the step 2 into Rh i no software, obtaining a plurality of equidistant cutting lines by means of a 'curve segmentation' tool, picking up key points on the obtained equidistant cutting lines, converting the key points into coordinate data, refitting a curve by using the coordinate data, and lofting and fitting the curve into a NUBRS curved surface, namely a complete and accurate arch form curved surface of the school-age child;
and 4, performing parameter batch offset on the arch form curved surface of the school age child obtained in the step 3 to the outside to obtain an entity model, namely the school age child arch orthosis.
Further, the evaluation method of the arch orthotic of the school-age children comprises the following steps:
in the evaluation of the effect of the orthosis, a motion capture system and a plantar pressure test system are adopted to collect relevant data of gait and plantar pressure;
before rehabilitation training is carried out by using the arch orthosis of the school-age children, a motion capture system is used for collecting walking posture gait data of normal children and abnormal arch children when the children walk, a sole pressure test system is used for collecting sole pressure distribution data when the children stand and walk respectively, and the data are processed by software to be used as an original database.
And then, aiming at the designed arch orthosis, the designed orthosis is used for closed training for a period of time under the professional guidance of a doctor, and after the training is finished, a motion capture system and a plantar pressure testing system are used for carrying out relevant data acquisition in the rehabilitation training process.
According to data before and after the orthotics are used by abnormal children and data comparison between the abnormal children and normal children after training, the walking posture and plantar pressure improvement conditions are analyzed, and the effectiveness of the orthotics can be evaluated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. A manufacturing method of an arch orthosis for school-age children is characterized by comprising the following steps:
step 1, scanning feet of a school-age child through a three-dimensional scanner to obtain original data of the arch of the school-age child, transmitting the scanned original data to a computer, processing redundant original data by introducing reverse engineering software Geomagic Studio, wherein the original data comprises miscellaneous surfaces, broken surfaces, noise points and smooth processing of the surface, establishing a characteristic plane to be aligned to a global coordinate system, and correcting the model position of the original data; packaging to obtain a pre-processing model of the arch form of the school-age child;
step 2, cutting the target arch region of the preprocessed model obtained in the step 1 by taking the ankle characteristic points as mark points and connecting lines obtained by series connection as cutting lines to obtain a second model;
step 3, importing the model II obtained in the step 2 into Rhino software, obtaining a plurality of equidistant cutting lines by means of a 'curve segmentation' tool, picking up key points on the obtained equidistant cutting lines, converting the key points into coordinate data, refitting a curve by using the coordinate data, and lofting and fitting the curve into a NUBRS curved surface, namely a complete and accurate arch form curved surface of the school-age child;
and 4, performing parameter batch offset on the arch form curved surface of the school age child obtained in the step 3 to the outside to obtain an entity model, namely the school age child arch orthosis.
2. The method for making an arch brace for a school-age child according to claim 1, wherein the method for evaluating the arch brace for the school-age child comprises:
in the evaluation of the effect of the orthosis, a motion capture system and a plantar pressure test system are adopted to collect relevant data of gait and plantar pressure;
before rehabilitation training is carried out by using the arch orthosis for school-age children, a motion capture system is used for collecting walking posture and gait data of normal children and abnormal arch children when the children walk, meanwhile, a sole pressure test system is used for respectively collecting sole pressure distribution data when the children stand and walk, and the data are processed by software to be used as an original database.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116205090A (en) * | 2023-05-05 | 2023-06-02 | 合肥工业大学 | Method and system for designing bare foot orthosis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116205090A (en) * | 2023-05-05 | 2023-06-02 | 合肥工业大学 | Method and system for designing bare foot orthosis |
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