CN212382805U - 3D prints orthopedic shoe-pad of hallux valgus - Google Patents
3D prints orthopedic shoe-pad of hallux valgus Download PDFInfo
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- CN212382805U CN212382805U CN202020619932.5U CN202020619932U CN212382805U CN 212382805 U CN212382805 U CN 212382805U CN 202020619932 U CN202020619932 U CN 202020619932U CN 212382805 U CN212382805 U CN 212382805U
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Abstract
The application provides a 3D prints orthopedic shoe-pad of hallux valgus, includes: the 3D printing insole comprises a 3D printing insole body and a 3D printing correcting structure for correcting hallux valgus on the 3D printing insole body; the orthotic structure comprises: the finger dividing finger stall comprises a finger dividing finger stall, a first force application part and a second force application part; the finger dividing finger stall is arranged on the insole body and corresponds to the thumb area; the finger dividing finger stall comprises: a finger cot main body and a finger cot force application wall; the finger sleeve main body is used for fixing the thumb of a patient; the finger stall force application wall is used for separating the first phalanx and the second phalanx and forming reaction force on the first phalanx and the second phalanx. This application has simple structure, convenient to use, improves comfort level and laminating degree through individualized customization, uses the silica gel material, and the compliance is better, and protection foot skin is not extruded and wearing and tearing. Meanwhile, the correction effect on the joints of the first phalange, the first metatarsus and the metatarsus is good, and accurate correction force can be applied. In addition, the shoe can be placed in a normal shoe, cannot influence walking, is suitable for patients to walk and stand, and is comfortable and attractive.
Description
Technical Field
The application relates to the field of foot orthopedic devices, in particular to a 3D printing hallux valgus orthopedic insole.
Background
Hallux valgus is a common foot deformity at present, the incidence rate is 20-50%, wherein the female prevalence rate is about 9-10 times of that of men. Conservative treatment by wearing a foot orthotic is the patient's primary choice. At present, hallux valgus orthotics are mostly produced in batch, and cannot meet the individual characteristics of feet of different patients, so that the wearing comfort is low, and the orthopedic effect is not good.
The existing orthotics are various in types, and according to different orthopedic principles, the hallux valgus orthotics can be divided into two types: a first type of orthosis, which applies force on the outside of the first toe, may cause an excessive gap between the first toe and the second toe; a second category of orthoses that apply force medial to the first toe uses orthoses that apply force from a flexible material. But the correction force is limited due to the limitation of flexible materials, so that the device is not suitable for patients with severe hallux valgus. Orthotics that use rigid materials to apply force typically have a low degree of fit to the shape characteristics of the individual's foot, resulting in pain induced by excessive local pressure.
Therefore, the existing orthoses have the characteristics of mass production, popularization and poor curative effect, cannot meet the personalized foot shape characteristics of a patient, and lack of support for the arch part of the patient, so that the local pressure on the inner side of the forefoot is excessive, and pain is induced.
Therefore, there is a need to provide a hallux valgus orthosis with a personalized curative effect to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved by the present application is to provide a 3D printed hallux valgus orthotic insole for solving at least one of the problems of the prior art.
To achieve the above and other related objects, the present application provides a 3D-printed hallux valgus orthopaedic insole comprising: the 3D printing insole comprises a 3D printing insole body and a 3D printing correcting structure for correcting hallux valgus on the 3D printing insole body; the orthotic structure comprises: the finger dividing finger stall comprises a finger dividing finger stall, a first force application part and a second force application part; the finger dividing finger stall is arranged on the insole body and corresponds to the thumb area; the finger dividing finger stall comprises: a finger cot main body and a finger cot force application wall; the finger sleeve main body is used for fixing the thumb of a patient; the finger stall force application wall is used for separating the first phalanx and the second phalanx and forming reaction force on the first phalanx and the second phalanx.
In an embodiment of the present application, the insole body and the corrective structure are adapted for 3D printing by using foot dimension data acquired by optically scanning the foot of the patient.
In an embodiment of the present application, the materials used in the 3D printing technology include: any one or more of polyurethane, polylactic acid, nylon plastics, photosensitive resin, silica gel, rubber, latex, ABS plastics, PVC plastics, organic silicon resin and propenyl resin.
In one embodiment of the present application, the structure of the finger cuff body is configured according to the first phalanx shape of the foot of the patient; meanwhile, the position trend or the structural shape of the finger sleeve force application wall is adjusted according to the suggested correction distance of the doctor to the foot of the patient, and the thickness of the finger sleeve force application wall is adjusted according to the suggested correction degree of the doctor to the foot of the patient.
In an embodiment of the present application, according to the foot size data of the patient, any one or more of a heel portion, an arch portion, an edge portion, and a thumb portion are correspondingly distributed on the insole body for fitting the plantar curve of the patient.
In an embodiment of the present application, the corresponding arrangement on the insole body according to the foot size data of the patient includes any one or more of the following: the heel part is arranged into a concave U-shaped cup-shaped structure according to the size data of the heel of the patient; the edge of the heel part is higher than the center by a certain height so as to protect the ankle joint; the arch part is convexly arranged into an arch support structure with a certain gradient according to the radian of the arch curved surface of the patient; the edge part is arranged into a slope type structure according to the outer side of the lower middle end of the patient; the thumb part is arranged into a concave structure according to the size data of the thumb of the patient.
In an embodiment of the present application, the correcting structure is fixed on the insole body by bonding or fastening, so that the correcting structure can be adjusted or replaced according to the recovery of the patient.
In an embodiment of the present application, the first force application portion corresponds to a first metatarsophalangeal joint and a first metatarsal bone of the patient and is arched in an arc shape; the second force application part corresponds to a fifth metatarsophalangeal joint and a fifth metatarsal bone and is arched in an arc shape; the first force application part and the second force application part are used for stabilizing the front sole.
In an embodiment of the present application, the surfaces of the finger sleeve force applying wall, the first force applying portion, and the second force applying portion are all provided with a silicone material.
In summary, the present application provides a 3D printed hallux valgus orthopedic insole comprising: the 3D printing insole comprises a 3D printing insole body and a 3D printing correcting structure for correcting hallux valgus on the 3D printing insole body; the orthotic structure comprises: the finger dividing finger stall comprises a finger dividing finger stall, a first force application part and a second force application part; the finger dividing finger stall is arranged on the insole body and corresponds to the thumb area; the finger dividing finger stall comprises: a finger cot main body and a finger cot force application wall; the finger sleeve main body is used for fixing the thumb of a patient; the finger stall force application wall is used for separating the first phalanx and the second phalanx and forming reaction force on the first phalanx and the second phalanx.
The following beneficial effects are achieved:
this application has simple structure, convenient to use, improves comfort level and laminating degree through individualized customization, uses the silica gel material, and the compliance is better, and protection foot skin is not extruded and wearing and tearing. Meanwhile, the correction effect on the joints of the first phalange, the first metatarsus and the metatarsus is good, and accurate correction force can be applied. In addition, the shoe can be placed in a normal shoe, cannot influence walking, is suitable for patients to walk and stand, and is comfortable and attractive.
Drawings
Fig. 1 is a schematic structural diagram of a 3D printed hallux valgus orthotic insole according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only schematic and illustrate the basic idea of the present application, and although the drawings only show the components related to the present application and are not drawn according to the number, shape and size of the components in actual implementation, the type, quantity and proportion of the components in actual implementation may be changed at will, and the layout of the components may be more complex.
To defects such as popularization, batchization, treatment effect difference that present hallux valgus orthopedic insole exists, the application provides an orthopedic insole that can 3D print, through carrying out optical scanning to the patient and obtaining patient's foot size data, for patient's tailor-made orthopedic insole, the laminating degree is high. The silica gel material is used, so that the softness is good, and the skin of the foot is protected from being extruded and abraded. Meanwhile, the first phalanx, the first metatarsal bone and the metatarsal bone joints are corrected, the flexibility of the foot thumb is good, the fitting performance is high, the 3D printing hallux valgus orthopedic insole is suitable for a patient to walk and stand, and the 3D printing hallux valgus orthopedic insole which can apply accurate orthopedic force is customized for the patient. More importantly, the 3D printing hallux valgus orthopedic insole provided by the application can be placed in normal shoes, cannot influence walking, can achieve dynamic correction, is convenient and comfortable, and has remarkable orthopedic effect and high success rate.
Fig. 1 shows a schematic structural diagram of a 3D printed hallux valgus orthopedic insole in an embodiment of the present application. As shown, the 3D printed hallux valgus orthotic insole comprises: 3D prints shoe-pad body 1 and 3D prints the structure 2 of correcting that is used for correcting the hallux valgus on it.
In an embodiment of the present application, the insole body 1 and the corrective structure 2 are adapted to be 3D printed by using foot dimension data acquired by optically scanning the foot of the patient.
Specifically, three-dimensional scanning image data of the foot of the patient is acquired in advance, such as three-dimensional scanning image data acquired through X-ray films and CT, and the size and the thumb deformity of the foot can be captured through an optical three-dimensional scanner, so that the spatial coordinates of the surface of the foot are acquired. Compared with the traditional customization process, the optical three-dimensional scanning collection is simple, convenient and accurate, the non-contact optical scanner is harmless to the human body, no radiation exists, high-precision point cloud data can be collected, the body can be tailored, and the feet can be scanned accurately. Then, three-dimensional modeling software is introduced, the foot size and the hallux valgus degree of the patient are described, according to the foot size and the planned correction degree of the patient, modeling design is carried out by using a computer and 3D printing is carried out according to the size of the form of the foot in the hallux valgus state in the static state, and a better treatment effect can be achieved.
The foot massage device can be designed in a personalized manner according to the hallux valgus conditions of different patients, so that the foot massage device can be completely fit with the foot size of the patient, and personalized, precise and customized treatment is realized. The size of the hallux valgus orthopedic insole formed by 3D printing in the mode can accord with the anatomical characteristics of the foot of a patient, the patient wears comfortable, discomfort does not exist, the compliance is high, and hallux valgus deformity is effectively prevented and corrected.
In an embodiment of the present application, the materials used in the 3D printing technology include, but are not limited to: any one or more of polyurethane, polylactic acid, nylon plastics, photosensitive resin, silica gel, rubber, latex, ABS plastics, PVC plastics, organic silicon resin and propenyl resin.
The 3D printing hallux valgus orthopedic insole is formed by scanning feet by using an optical three-dimensional scanner to obtain corresponding three-dimensional data, and preferably adopting a TPU material to perform 3D integrated forming and printing.
Among them, TPU (thermoplastic polyurethanes) is named thermoplastic polyurethane elastomer rubber. The halogen-free flame-retardant TPU can be widely applied to the fields of daily necessities, sports goods, toys, decorative materials and the like, and can also replace soft PVC to meet the environmental protection requirements of more and more fields. The elastomer is a high polymer material with the glass transition temperature lower than the room temperature, the elongation at break of more than 50 percent and good recoverability after the external force is removed. The polyurethane elastomer is a special class of elastomers, and has a wide hardness range and a wide performance range, so that the polyurethane elastomer is a high polymer material between rubber and plastic. It can be plasticized by heating, and has no or little cross-linking in chemical structure, and its molecules are basically linear, but have some physical cross-linking. Such polyurethanes are known as TPUs.
In one or more realizable embodiments, the TPU printing material has the advantages of good performance, easiness in integrated forming, high material utilization rate, economical and practical overall price and no environment pollution.
The 3D printing hallux valgus orthopedic insole printed by the TPU material has certain toughness, so that a patient can obtain the function of orthopedic force in the walking process, the discomfort is greatly reduced, and the normal bending and stretching movement of metatarsophalangeal joints and phalangeal joints is not influenced. In addition, the 3D printing hallux valgus orthopedic insole provided by the application is printed by an additive manufacturing technology, and has the advantages of light weight, ventilation, anatomical structure conformity, comfort, attractiveness and the like, the surface precision is high, and the wearing compliance of a patient is greatly improved.
In an embodiment of the present application, the corrective structure 2 includes: a finger-separating sleeve 21, a first force application part 22 and a second force application part 23.
The surfaces of the finger cuff urging wall 212, the first urging portion 22, and the second urging portion 23 are all provided with silicone materials. The 3D prints in this application each main application of force department surface all with silica gel material in the orthopedic shoe-pad of hallux valgus, silica gel material's compliance is better, can reduce with the friction between the foot skin, can protect foot skin not extruded and wearing and tearing, prevents to wear the in-process and causes secondary damage.
In this embodiment, the finger dividing finger stall 21 is disposed on the insole body 1 corresponding to the thumb area; the finger dividing finger stall 21 comprises: a finger cuff body 211 and a finger cuff force application wall 212; the finger sleeve main body 211 is used for fixing the thumb of a patient; the finger cuff force application wall 212 serves to separate the first phalanx and the second phalanx and to form a reaction force to the first phalanx and the second phalanx.
In one embodiment of the present application, the structure of the finger cuff body 211 is configured according to the first phalanx shape of the foot of the patient; while adjusting the positional orientation or structural shape of the cuff force application wall 212 in accordance with the doctor's suggested orthotic distance to the patient's foot and the thickness of the cuff force application wall 212 in accordance with the doctor's suggested orthotic degree to the patient's foot.
For example, the finger cuff force application wall 212 is located between the phalanges of the first and second phalanges of the patient during use for separating the first and second phalanges, and has a cylindrical design at its end, which may be 0.3cm in diameter, for preventing abrasion of the skin. One side of the finger stall force application wall 212 contacts the inner side of the first phalange, the other side of the finger stall force application wall 212 contacts the second phalange and even the second metatarsus, and the two sides of the finger stall force application wall 212 are main force application parts, the thickness is preferably 0.3cm, and the most suitable orthopedic strength is the thickness. In addition, in order to prevent the skin from being damaged due to long-term stress, the two sides of the finger stall force application wall 212 can be attached with silica gel materials; meanwhile, the thumb of the patient is inserted into the finger sleeve body 211 during use, so as to fix the thumb of the foot of the patient.
It should be noted that the 3D printed hallux valgus orthopaedic insole tailored for the patient has a higher fit by optically scanning the patient to obtain foot dimensional data of the patient. Meanwhile, the first phalanx, the first metatarsal bone and the metatarsal bone joint are corrected, accurate correction force is applied, the correction effect is obvious, in addition, the silica gel material is used, the softness is good, and the skin of the foot can be protected from being extruded and abraded.
In an embodiment of the present application, the first force application portion 22 corresponds to a first metatarsophalangeal joint and a first metatarsal bone of the patient and is arched in an arc shape; the second force application part 23 corresponds to a fifth metatarsophalangeal joint and a fifth metatarsal bone and is arched in an arc shape; the first force application portion 22 and the second force application portion 23 stabilize the forefoot.
For example, the first force application part 22 corresponds to a first metatarsophalangeal joint and a first metatarsal bone, the thickness of the first force application part is preferably 0.3cm, the first force application part is arched in an arc shape, and a silica gel material is attached to the surface of the first force application part to prevent the abrasion of the skin; the second force application part corresponds to a fifth metatarsophalangeal joint and a fifth metatarsal, the thickness of the part is preferably 0.3cm, the part is arched in an arc shape, and a silica gel material is attached to the surface of the part. The first force application portion 22 and the second force application portion 23 are used together to stabilize the forefoot.
In an embodiment of the present application, the correcting structure 2 is fixed on the insole floor by bonding or fastening, so that the correcting structure 2 can be adjusted or replaced according to the patient's recovery from correction.
For example, the contact areas of the correcting structure 2 and the insole body 1 are respectively configured to be adhered for detachable fixation; or, the corrective structure 2 is a snap-fit structure provided with a sandwich at the bottom, into which the insole can be locally inserted to achieve a removable fixation.
It should be noted that when the symptoms of hallux valgus of the 3D printed hallux valgus orthotic insole according to the present application are continuously recovered, the correction structure 2 can be adjusted or replaced to adapt to the real changes of the foot of the patient, so as to achieve better correction effect.
In an embodiment of the present application, according to the foot size data of the patient, any one or more of a heel portion 11, an arch portion 12, an edge portion 13, and a thumb portion 14 are correspondingly distributed on the insole body 1 for fitting the plantar curve of the patient.
In order to make the 3D printing hallux valgus orthopedic insole applicable to the application more comfortable, the insole body 1 is correspondingly arranged according to foot size data of a patient, and the insole comprises any one or more of the following components:
1) the heel part 11 is arranged into a concave U-shaped cup-shaped structure according to the size data of the heel of the patient; the heel 11 is raised at its edges to a height above its center. In short, the edge of the heel 11, i.e. the edge of the insole, is arranged to be the highest, and the center of the heel 11 is arranged to be the lowest, so that the heel can be stabilized and the ankle joint can be protected. According to the actual condition of the patient, the edge should be higher by 1-2cm, and the fixation effect is the best.
2) The arch part 12 is convexly arranged into an arch support structure with a certain gradient according to the arch camber radian of the arch of the foot of the patient, and arch support with a proper gradient is designed according to the arch camber radian of the arch of the foot of the patient, so that the comfort level of the patient is improved.
3) The edge part 13 is set to be a slope structure according to the outer side of the lower middle end of the patient, namely, the edge part 13 is increased in a slope manner, so that the comfort of the patient is improved.
4) The thumb part 14 is arranged into a concave structure according to the size data of the thumb of the patient, so that the discomfort of the thumb can be relieved.
This application is compared in traditional independent orthopedic ware, and this application uses the shoe-pad as main orthopedic form, in actual scene, can with this application 3D print orthopedic shoe-pad of hallux valgus put in normal shoes, can not lead to the fact the influence to the walking, still can reach dynamic correction, and convenient comfortable, orthopedic rate is high.
In summary, the application provides a 3D printing hallux valgus orthopedic insole. The method comprises the following steps: the 3D printing insole comprises a 3D printing insole body and a 3D printing correcting structure for correcting hallux valgus on the 3D printing insole body; the orthotic structure comprises: the finger dividing finger stall comprises a finger dividing finger stall, a first force application part and a second force application part; the finger dividing finger stall is arranged on the insole body and corresponds to the thumb area; the finger dividing finger stall comprises: a finger cot main body and a finger cot force application wall; the finger sleeve main body is used for fixing the thumb of a patient; the finger stall force application wall is used for separating the first phalanx and the second phalanx and forming reaction force on the first phalanx and the second phalanx.
This application has simple structure, convenient to use, improves comfort level and laminating degree through individualized customization, uses the silica gel material, and the compliance is better, and protection foot skin is not extruded and wearing and tearing. Meanwhile, the first phalanx, the first metatarsal bone and the metatarsal bone joints are corrected, the flexibility of the foot thumb is good, the fitting performance is high, the 3D printing hallux valgus orthopedic insole is suitable for a patient to walk and stand, and the 3D printing hallux valgus orthopedic insole which can apply accurate orthopedic force is customized for the patient. More importantly, the 3D printing hallux valgus orthopedic insole provided by the application can be placed in normal shoes, cannot influence walking, can achieve dynamic correction, is convenient and comfortable, and has remarkable orthopedic effect and high success rate.
The application effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.
Claims (9)
1. A 3D printed hallux valgus orthotic insole comprising: the 3D printing insole comprises a 3D printing insole body and a 3D printing correcting structure for correcting hallux valgus on the 3D printing insole body;
the orthotic structure comprises: the finger dividing finger stall comprises a finger dividing finger stall, a first force application part and a second force application part;
the finger dividing finger stall is arranged on the insole body and corresponds to the thumb area; the finger dividing finger stall comprises: a finger cot main body and a finger cot force application wall;
the finger sleeve main body is used for fixing the thumb of a patient; the finger stall force application wall is used for separating the first phalanx and the second phalanx and forming reaction force on the first phalanx and the second phalanx.
2. The 3D printed hallux valgus orthopaedic insole according to claim 1, wherein the insole body and the corrective structure are 3D printed by adapting foot dimension data acquired by optical scanning of the patient's foot.
3. 3D printed hallux valgus orthopaedic insole according to claim 1 or 2, wherein the material used by the 3D printing technique comprises: any one or more of polyurethane, polylactic acid, nylon plastics, photosensitive resin, silica gel, rubber, latex, ABS plastics, PVC plastics, organic silicon resin and propenyl resin.
4. The 3D printed hallux valgus orthotic insole according to claim 2, wherein the structure of the finger cuff body is configured accordingly to the first phalanx shape size of the patient's foot; meanwhile, the position trend or the structural shape of the finger sleeve force application wall is adjusted according to the suggested correction distance of the doctor to the foot of the patient, and the thickness of the finger sleeve force application wall is adjusted according to the suggested correction degree of the doctor to the foot of the patient.
5. The 3D printing hallux valgus orthopaedic insole according to claim 2, wherein any one or more of a heel part, an arch part, an edge part and a thumb part are correspondingly distributed on the insole body according to foot size data of a patient, so as to be used for fitting the plantar curve of the patient.
6. A3D printed hallux valgus orthopaedic insole according to claim 5, wherein the corresponding settings on the insole body in dependence on the patient foot size data include any one or more of:
the heel part is arranged into a concave U-shaped cup-shaped structure according to the size data of the heel of the patient; the edge of the heel part is higher than the center by a certain height so as to protect the ankle joint;
the arch part is convexly arranged into an arch support structure with a certain gradient according to the radian of the arch curved surface of the patient;
the edge part is arranged into a slope type structure according to the outer side of the lower middle end of the patient;
the thumb part is arranged into a concave structure according to the size data of the thumb of the patient.
7. A 3D printed hallux valgus orthopaedic insole according to claim 1, wherein the corrective structure is fixed to the insole floor by gluing or snapping for adjustment or replacement of the corrective structure according to the patient's corrective rehabilitation.
8. The 3D printed hallux valgus orthotic insole of claim 1, wherein the first force application portion corresponds to a first metatarsophalangeal joint and a first metatarsal of the patient and is arched in an arc; the second force application part corresponds to a fifth metatarsophalangeal joint and a fifth metatarsal bone and is arched in an arc shape; the first force application part and the second force application part are used for stabilizing the front sole.
9. The 3D printing hallux valgus orthopedic insole according to claim 1 or 8, characterized in that the surfaces of the finger sleeve force application wall, the first force application part and the second force application part are all provided with a silicone material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020619932.5U CN212382805U (en) | 2020-04-22 | 2020-04-22 | 3D prints orthopedic shoe-pad of hallux valgus |
| PCT/CN2021/088903 WO2021213459A1 (en) | 2020-04-22 | 2021-04-22 | 3d printed orthopedic insole for hallux valgus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020619932.5U CN212382805U (en) | 2020-04-22 | 2020-04-22 | 3D prints orthopedic shoe-pad of hallux valgus |
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| CN212382805U true CN212382805U (en) | 2021-01-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021213459A1 (en) * | 2020-04-22 | 2021-10-28 | 上海交通大学医学院附属第九人民医院 | 3d printed orthopedic insole for hallux valgus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021213459A1 (en) * | 2020-04-22 | 2021-10-28 | 上海交通大学医学院附属第九人民医院 | 3d printed orthopedic insole for hallux valgus |
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