CN113499180B - Scoliosis orthosis and manufacturing method thereof - Google Patents

Scoliosis orthosis and manufacturing method thereof Download PDF

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Publication number
CN113499180B
CN113499180B CN202110713679.9A CN202110713679A CN113499180B CN 113499180 B CN113499180 B CN 113499180B CN 202110713679 A CN202110713679 A CN 202110713679A CN 113499180 B CN113499180 B CN 113499180B
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orthosis
main body
point
adjustable rod
brace
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CN113499180A (en
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李宏伟
贾越
路子晗
王雨微
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Xian Jiaotong University
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Xian Jiaotong University
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/02—Orthopaedic corsets
    • A61F5/022—Orthopaedic corsets consisting of one or more shells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y50/00—Data acquisition or data processing for additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
    • A61F2005/0132—Additional features of the articulation
    • A61F2005/0144—Multibar
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
    • A61F2005/0188—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations having pressure sensors

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Biomedical Technology (AREA)
  • Nursing (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

A scoliosis orthosis and a manufacturing method thereof comprise a brace main body, a triangular adjustable rod and a visual dial; the brace main body is of a hollow structure matched with the limb shape, an opening is formed in one side face of the brace main body, and the triangular adjustable rod is arranged on the opening of the brace main body; the visual dial plate is connected to the triangular adjustable rod. According to the invention, the triangular adjustable rod is arranged on the orthosis support on the basis of the three-point force orthopedic principle, when a patient uses the orthosis support for a period of time, the tightness degree of the orthosis support is required to be adjusted according to the guidance of a doctor or the change of the personal shape so as to change the orthopedic force, the orthosis support is not required to be completely replaced, and the effect of changing the orthopedic force of the orthosis support can be achieved only by adjusting the position of the triangular adjustable rod and the side length, so that the service cycle of the orthosis support is prolonged, the replacement frequency of the orthosis support is reduced, and the treatment cost is reduced.

Description

Scoliosis orthosis and manufacturing method thereof
Technical Field
The invention belongs to the technical field of orthotics, and particularly relates to a scoliosis orthotics and a manufacturing method thereof.
Background
Currently, the known methods for treating idiopathic scoliosis include non-surgical treatment and surgical treatment, the most prominent and reliable method of non-surgical treatment being brace treatment, i.e. orthosis treatment.
According to the action principle of traditional Chinese medicine splint fixation, when a small splint is used for treating long bone fracture, in order to correct the Cobb angle of the fracture part, three pressure pads are usually placed on the malformed part, and after the compression is carried out through a bandage, three-point extrusion force is formed. Usually, after a period of time, the shape of the orthosis should be appropriately adjusted according to the result of the orthotics, so as to ensure the corrective effect of the orthosis.
However, most existing customizable 3D printing-molded orthosis braces are integrated non-adjustable braces, and a patient needs to periodically review and replace a new orthosis brace, so that the treatment cost is high. While the conventional orthosis brace is lower in cost compared with the customizable orthosis brace, the wearing comfort of the patient is poor, and the compliance of the patient is low.
Disclosure of Invention
The present invention is directed to a scoliosis orthosis and a method of manufacturing the same to solve the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a scoliosis orthosis comprises a brace main body, a triangular adjustable rod and a visual dial; the brace main body is of a hollow structure matched with the limb shape, an opening is formed in one side face of the brace main body, and the triangular adjustable rod is arranged on the opening of the brace main body; the visual dial plate is connected to the triangular adjustable rod.
Furthermore, the triangular adjustable rod comprises a knob, a connecting plate and an adjusting rod; the number of the knobs is three, the knobs are arranged on the brace main body, two connecting plates are arranged on each knob, the three knobs are arranged in a triangular mode, and the two connecting plates between every two adjacent knobs are connected through adjusting rods to form a triangular adjustable rod in a surrounding mode.
Furthermore, all be provided with the protruding structure of screens point on every connecting plate, be provided with a plurality of equidistant holes on the regulation pole, the protruding structure card of screens point is downthehole.
Further, the visual dial plate comprises a pressure sensor, a display and a soft material embedded structure, wherein the pressure sensor is arranged on the support main body at the position of the knob through the soft material embedded structure; all pressure sensors are connected to a display.
Furthermore, the brace main body is a plastic brace.
Further, a method of manufacturing a scoliosis orthosis, comprising the steps of:
step 1, carrying out full-length orthostatic CT scanning or MRI scanning on the spine in the standing position, and establishing a spine three-dimensional digital model required by orthosis design.
Step 2, calculating a Cobb angle and a scoliosis degree, simulating three-point stress conditions by three-dimensional modeling to perform pre-analysis, and reserving mounting holes;
step 3, adopting a 3D printing process to print and form the cavity and preassemble the adjusting rod;
and 4, assembling the visual dial plate with the cavity and the adjusting rod.
Further, in the step 1, data obtained by CT scanning or MRI scanning is processed by Mimics to obtain a three-dimensional digital model in STL format, and orthosis support contour design and orthopedic force adjusting structure area demarcation are carried out according to the three-dimensional digital model, the patient scoliosis Cobb angle, the anterior axillary line and the posterior axillary line; the orthosis brace performs the correction of scoliosis by applying three-point pressure to the ribs and spine.
Further, in step 2, the three-dimensional modeling step is as follows:
the method comprises the following steps that (I) a limb needing to be provided with an orthosis is subjected to CT scanning by a three-dimensional scanner, a standing shaft is used as an axis, the limb is continuously rotated and scanned, and the scanning result of each time is automatically aligned;
secondly, processing the model by using Geomagic and imageware software after acquiring complete point cloud data of lower limb scanning to obtain a Nurbs curved surface limb model;
thirdly, extracting a Mask of the limb to be orthopedic by using Mimics software after CT data are obtained, and performing fairing treatment on the extracted Mask;
and (IV) saving the Mask as a three-dimensional model in an STL format, introducing the three-dimensional model into Rhino software, and starting to simulate the stress condition of three points.
Further, in step 2, the specific pre-analysis method comprises the following steps:
the Cobb angle calculation method comprises the following steps: selecting vertebral bodies at the upper end and the lower end of a radian, and drawing a vertical line respectively downwards from a horizontal line of the vertebral body at the upper end and upwards from a horizontal line of the vertebral body at the lower end, wherein the intersected angle of the two vertical lines is a Cobb angle;
secondly, selecting a point A according to different patient conditions, wherein the required position is at the intersection point of the center line of the convex side half body and a horizontal line of the intersection point of the two vertical lines;
thirdly, making a hip central line, making intersection points of the hip central line and the horizontal line of the vertebral body at the lower end of the upper end, and respectively connecting the point A and the two intersection points to make two straight lines;
(IV) determining B, C points: in the previous step, two straight lines are respectively positioned at the intersection point of the central lines of the concave side half bodies;
and (V) respectively projecting A, B, C points to the opening surface of the orthosis, adjusting a plane parallel to the front surface of the body to better cover the projection of A, B, C points, and adjusting the positions of mounting holes to be reserved finally according to the intersection part of the plane and the orthosis.
Compared with the prior art, the invention has the following technical effects:
the orthosis is mainly characterized in that a triangular adjustable rod capable of adjusting the shape and the orthopedic force of the orthosis and a visual dial plate capable of visualizing the orthopedic force are added to the orthosis support, the shape of the orthosis is changed by adjusting the adjustable rod, and the purpose of properly adjusting the orthopedic force is achieved, so that the orthosis can play the orthopedic role of the support as long as possible.
According to the invention, the triangular adjustable rod is arranged on the orthosis support on the basis of the three-point force orthopedic principle, when a patient uses the orthosis support for a period of time and the degree of tightness of the orthosis support is required to be adjusted according to the guidance of a doctor or the change of the personal shape so as to change the orthopedic force, the orthosis support is not required to be completely replaced, and the effect of changing the orthopedic force of the orthosis support can be achieved only by adjusting the position and the side length of the triangular adjustable rod, so that the service cycle of the orthosis support is prolonged, the replacement frequency of the orthosis support is reduced, and the treatment cost is reduced.
Drawings
FIG. 1 is a block diagram of the present invention.
Fig. 2 is a diagram of an orthosis brace three point corrective force system.
Figure 3 is an isometric view and a top view of one of the triangular adjustable rods.
Fig. 4 is a force diagram of the front face of a body when worn.
Fig. 5 is a force diagram of the back when worn physically.
Wherein: a brace body 1; a knob 2; a connecting plate 3; an adjustment lever 4.
FIG. 6 is a diagram for explaining the three-point stress condition pre-analysis through three-dimensional modeling simulation.
FIG. 7 is an exemplary graph of results of a pre-analysis application.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
referring to fig. 1 to 5, in order to overcome the problems of frequent replacement, high treatment cost, uncomfortable wearing of the conventional customizable orthosis support, low patient compliance and poor treatment effect of the conventional customizable orthosis support, the present invention discloses a novel adjustable force orthosis solution for treating scoliosis, which can appropriately adjust the orthopedic force of the orthosis support through a visual dial and an adjusting rod, thereby reducing the replacement period.
The technical scheme adopted by the invention for solving the problems is as follows:
the orthosis brace comprises an orthosis brace main body, a triangular adjustable rod and a visual dial. Wherein the orthosis brace body is a plastic shell customized by three-dimensional scanning. The triangular adjustable rod and the visual dial are both formed by metal dies.
The orthopedic device is mainly characterized in that a triangular adjustable rod capable of adjusting the shape and the orthopedic force of the orthopedic device and a visual dial plate capable of visualizing the orthopedic force are added to the orthopedic device support, the shape of the orthopedic device is changed by adjusting the adjustable rod, and the purpose of properly adjusting the orthopedic force is achieved, so that the orthopedic device can play the orthopedic role of the support as long as possible.
The thickness of the orthopedic device main body is 3-5mm, and the orthopedic device main body is a plastic shell which is obtained by personalized scanning according to different patients and utilizing 3D printing.
The length of each adjusting rod is about 20 cm.
The visual dial plate is composed of a pressure sensor and a display screen, and the shell is made of plastic.
Wherein: the structure 1 is a main body part of the orthosis support, and data are obtained through three-dimensional scanning, processed and printed and formed in a 3D mode; the structure 2 is a node of a triangular adjustable rod structure, can be fixed on the orthosis support main body through a knob, and realizes the fixation and the change of the angle of the adjustable rod through screwing and unscrewing; the structure 3 is a clamping point of a triangular adjustable rod structure; the structure 4 is an adjusting rod of a triangular adjustable rod structure. The structure 3 and the structure 4 act together to change the side length of the triangular adjustable rod by changing the position of the clamping point on the adjustable rod. (the visual dial is not shown, the specific structure is that the pressure sensor and the soft material are embedded in the three specific orthopedic points so as to visualize the specific size of the orthopedic force)
Fig. 2 is a three-point force correcting system diagram of the orthosis brace, according to the invention, a triangular adjustable rod is installed on the orthosis brace on the basis of the three-point force correcting principle, when a patient uses the orthosis brace for a period of time, the tightness degree of the orthosis brace needs to be adjusted according to the guidance of a doctor or the change of the personal shape, so that the magnitude of the correcting force can be changed, the orthosis brace does not need to be completely replaced, and the effect of changing the magnitude of the correcting force of the orthosis brace can be achieved only by adjusting the position and the side length of the triangular adjustable rod, so that the service cycle of the orthosis brace is prolonged, the replacement frequency of the orthosis brace is reduced, and the treatment cost is reduced.
Step one, carrying out full-length orthostatic CT scanning (or MRI scanning) on the spine of a patient in a standing position, and establishing a spine three-dimensional digital model required by orthosis design. And (3) processing data obtained by CT scanning (or MRI scanning) by using Mimics to obtain the three-dimensional digital model in the STL format.
And step two, calculating the Cobb angle and the scoliosis degree of the patient, simulating three-point stress conditions by using the three-dimensional digital model obtained in the step one to perform pre-analysis, and reserving mounting holes at the same time.
And step three, printing and forming the cavity by adopting a 3D printing process, and pre-assembling the adjusting rod.
And step four, assembling the visual dial plate with the cavity and the adjusting rod.

Claims (3)

1. The manufacturing method of the scoliosis orthosis is characterized in that the scoliosis orthosis is based on a method, and comprises a brace main body (1), a triangular adjustable rod and a visual dial; the brace main body (1) is of a hollow structure matched with the limb shape, an opening is formed in one side face of the brace main body (1), and the triangular adjustable rod is arranged on the opening of the brace main body (1); the visual dial is connected to the triangular adjustable rod;
the triangular adjustable rod comprises a knob (2), a connecting plate (3) and an adjusting rod (4); the number of the knobs is three, the knobs (2) are arranged on the brace main body (1), two connecting plates (3) are arranged on each knob, the three knobs are arranged in a triangular shape, and the two connecting plates (3) between the two adjacent knobs (2) are connected through adjusting rods (4) to form a triangular adjustable rod;
each connecting plate (3) is provided with a clamping point protruding structure, the adjusting rod (4) is provided with a plurality of holes with equal intervals, and the clamping point protruding structures are clamped in the holes;
the visual dial plate comprises a pressure sensor, a display and a soft material embedded structure, wherein the pressure sensor is arranged on the brace main body (1) at the position of the knob through the soft material embedded structure; all pressure sensors are connected to a display;
the brace main body (1) is a plastic brace;
the method comprises the following steps:
step 1, carrying out full-length orthostatic CT scanning or MRI scanning on a spine in a standing position, and establishing a spine three-dimensional digital model required by orthosis design;
step 2, calculating a Cobb angle and a scoliosis degree, simulating three-point stress conditions by three-dimensional modeling to perform pre-analysis, and reserving mounting holes;
the pre-analysis method comprises the following steps:
(1) the Cobb angle calculation method comprises the following steps: selecting vertebral bodies at the upper end and the lower end of a radian, and drawing a vertical line respectively downwards from a horizontal line of the vertebral body at the upper end and upwards from a horizontal line of the vertebral body at the lower end, wherein the intersected angle of the two vertical lines is a Cobb angle;
(2) selecting a point A according to different patient conditions, and requiring the point A to be positioned at the intersection point of the horizontal line of the intersection point of the center line of the convex side half body and the two vertical lines;
(3) making a hip central line, making intersection points of the hip central line and horizontal lines of the upper end and the lower end of the vertebral body respectively, and making two straight lines by connecting the point A and the two intersection points respectively;
(4) determination of B, C Point: the intersection points of the two straight lines in the previous step and the central line of the concave side half body respectively;
(5) respectively projecting A, B, C points to the opening surface of the orthosis, adjusting a plane parallel to the front surface of the body to better cover the projection of A, B, C points, and adjusting the position of a mounting hole to be reserved finally according to the intersection part of the plane and the orthosis;
step 3, adopting a 3D printing process to print and form the cavity and preassemble the adjusting rod;
and 4, assembling the visual dial plate with the cavity and the adjusting rod.
2. The method for manufacturing a scoliosis orthosis according to claim 1, wherein in step 1, the data obtained by CT scanning or MRI scanning is processed by Mimics to obtain an STL format three-dimensional digital model, and the orthosis support profile design and the orthopedic force adjusting structure region definition are carried out according to the three-dimensional digital model, the Cobb angle of the scoliosis of the patient, and the anterior axillary line and the posterior axillary line; the orthosis brace performs the correction of scoliosis by applying three-point pressure to the ribs and spine.
3. The method of claim 1, wherein in step 2, the three-dimensional modeling step comprises:
the method comprises the following steps that (I) a limb needing to be provided with an orthosis is subjected to CT scanning by a three-dimensional scanner, a standing shaft is used as an axis, the limb is continuously rotated and scanned, and the scanning result of each time is automatically aligned;
secondly, processing the model by using Geomagic and imageware software after acquiring complete point cloud data of lower limb scanning to obtain a Nurbs curved surface limb model;
thirdly, extracting a Mask of the limb needing to be orthopedic by using Mimics software after CT data are obtained, and smoothing the Mask after the Mask is extracted;
and (IV) saving the Mask as a three-dimensional model in an STL format, introducing the three-dimensional model into Rhino software, and starting to simulate the stress condition of three points.
CN202110713679.9A 2021-06-25 2021-06-25 Scoliosis orthosis and manufacturing method thereof Active CN113499180B (en)

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CN114224322B (en) * 2021-10-25 2023-06-02 上海工程技术大学 Scoliosis assessment method based on key points of human bones

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CN204274735U (en) * 2014-08-14 2015-04-22 张学军 Adjustable scoliosis orthopedic device
WO2015163503A1 (en) * 2014-04-24 2015-10-29 하병욱 Smart scoliosis correction vest
KR20170095093A (en) * 2016-02-12 2017-08-22 유디텔주식회사 Supporter of weist
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CN112315495A (en) * 2020-11-25 2021-02-05 西安锐普打印机有限公司 Method for measuring scoliosis orthopedic force

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Publication number Priority date Publication date Assignee Title
DE19654256A1 (en) * 1996-12-23 1998-06-25 Biedermann Motech Gmbh Spinal orthosis
KR101167957B1 (en) * 2012-01-18 2012-07-23 주식회사 하나시스템 Support unit for affected area
WO2015163503A1 (en) * 2014-04-24 2015-10-29 하병욱 Smart scoliosis correction vest
CN204274735U (en) * 2014-08-14 2015-04-22 张学军 Adjustable scoliosis orthopedic device
KR20170095093A (en) * 2016-02-12 2017-08-22 유디텔주식회사 Supporter of weist
CN109498235A (en) * 2019-01-07 2019-03-22 国家康复辅具研究中心 A kind of intelligent spinal orthosis with Orthodontic force system dynamic regulation function
CN112137786A (en) * 2020-08-20 2020-12-29 西安交通大学 Orthosis for scoliosis and manufacturing method thereof
CN112315495A (en) * 2020-11-25 2021-02-05 西安锐普打印机有限公司 Method for measuring scoliosis orthopedic force

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