WO2022011850A1 - 一种3d打印脊椎固定架 - Google Patents

一种3d打印脊椎固定架 Download PDF

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Publication number
WO2022011850A1
WO2022011850A1 PCT/CN2020/119573 CN2020119573W WO2022011850A1 WO 2022011850 A1 WO2022011850 A1 WO 2022011850A1 CN 2020119573 W CN2020119573 W CN 2020119573W WO 2022011850 A1 WO2022011850 A1 WO 2022011850A1
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Prior art keywords
fixing plate
plate
user
block
fixing
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PCT/CN2020/119573
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English (en)
French (fr)
Inventor
欧阳晓
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欧阳晓
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Priority to DE212020000437.4U priority Critical patent/DE212020000437U1/de
Publication of WO2022011850A1 publication Critical patent/WO2022011850A1/zh

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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
    • A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
    • 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
    • A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
    • A61F5/058—Splints
    • 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

Definitions

  • the utility model relates to the field of medical instruments, in particular to a 3D printing spine fixing frame.
  • the spine is the backbone of the body. It is located in the middle of the back. The upper end is connected to the skull, and the lower end reaches the tip of the coccyx. It is the axial skeleton of the human body and the backbone of the body. If it is not handled in time, it is easy to cause irreversible damage to the human body.
  • a spinal fixation frame is used to fix the position of the spine to avoid more serious damage to the human body caused by the turbulent movement of the spine.
  • Most of the spinal fixation frames above are produced by an assembly line, and the fit and matching degree with different users are different, so it is difficult to achieve a good auxiliary treatment effect.
  • the purpose of the present invention is to provide a 3D printing spine fixation frame to solve the problems raised in the above background art.
  • the utility model provides the following technical solutions:
  • a 3D printed spine fixation frame comprising a back fixation plate and a front fixation plate, the back fixation plate and the front fixation plate are made by 3D printing, and shoulder positions of the back fixation plate and the front fixation plate are correspondingly provided with shoulders
  • the back fixing plate and the front fixing plate are provided with waist connection holes correspondingly at the waist positions, and both the back fixing plate and the front fixing plate are provided with an adjustment mechanism, and the adjustment mechanism includes a threaded rod, a mounting block and Install the housing, one end of the threaded rod passes through the first fixing block and the second fixing block arranged on the back fixing plate, and one end passing through the first fixing block and the second fixing block is provided with a first helical tooth, so The first helical tooth meshes with the second helical tooth arranged in the installation casing, one end of the second helical tooth passes through the installation casing and is connected to the knob arranged outside the installation casing, and the threaded rod is connected to the first fixing block and the second helical tooth
  • the two fixing blocks are threadedly connected, and the other end of the threaded rod is movably connected to the lower part of the installation block.
  • a limit rod is respectively provided on both sides of the lower part of the installation block.
  • One end of the limit rod is connected with the installation block, and the other end passes through Passing through the first fixing block and the limit rod is slidably connected with the first fixing block, the mounting blocks on the back fixing plate and the front fixing plate are respectively provided with a back guard plate and a front guard plate, and the back guard plate and the front guard plate are made of Made by 3D printing.
  • the materials of the back fixing plate, the front fixing plate, the back shield and the front shield are engineering plastics.
  • the back fixing plate, the front fixing plate, the back guard and the front guard are provided with flexible pads, and the flexible pads cover the back fixing plate, the front fixing plate, the reverse guard and the front guard The face of the board that is in contact with the user's body.
  • the material of the flexible pad is sponge.
  • through holes are evenly distributed on the back fixing plate and the front fixing plate, and the sponge pads on the back fixing plate and the front fixing plate are correspondingly provided with through holes.
  • the back fixing plate, the front fixing plate, the reverse side guard and the front guard are all made of 3D printing, which have a high degree of fit with the user's body.
  • the fixation frame can help the user to treat the spine more effectively.
  • the 3D printed spine fixation frame parts are made of engineering plastics, which have better strength and performance, and prolong the service life of the spine fixation frame.
  • the sponge pad can make the spine fixation frame more stably fixed on the user's body, and at the same time make the user wear the spine fixation frame more comfortably.
  • the through hole can not only reduce the weight of the spine fixation frame, but also make the spine fixation frame wearable. It is more lightweight, and at the same time, it can make the spinal fixation frame more breathable and comfortable when wearing it.
  • Figure 1 is a schematic structural diagram of a 3D printed spinal fixation frame.
  • FIG. 2 is a schematic structural diagram of a front shield in a 3D printed spinal fixation frame.
  • FIG. 3 is a schematic structural diagram of a back guard plate in a 3D printed spinal fixation frame.
  • FIG. 4 is a schematic structural diagram of an adjustment mechanism in a 3D printed spinal fixation frame.
  • a 3D printed spinal fixation frame including a back fixation plate 1 and a front fixation plate 2, the back fixation plate 1 and the front fixation plate 2 are made by 3D printing according to the body contour of the user's upper body , the back fixing plate 1 and the front fixing plate 2 printed by 3D can better fit the body of the user, and the shoulders of the back fixing plate 1 and the front fixing plate 2 are correspondingly provided with shoulder connection holes 6, The waist positions of the back fixing plate 1 and the front fixing plate 2 are correspondingly provided with waist connecting holes 7.
  • the back fixing plate 1 is attached to the back of the user
  • the front fixing plate 2 is correspondingly attached to the front of the user.
  • the back fixing plate 1 and the front The fixing plate 2 is provided with an adjusting mechanism 5.
  • the adjusting mechanism 5 includes a threaded rod 9, a mounting block 8 and a mounting housing 16.
  • One end of the block 11 and the second fixed block 12 and passing through the first fixed block 11 and the second fixed block 12 is provided with a first helical tooth 15 , and the first helical tooth 15 is connected to the second fixed block 16 in the installation housing 16 .
  • the helical teeth 14 are engaged, and one end of the second helical teeth 14 passes through the installation housing 16 and is connected to the knob 13 arranged outside the installation housing 16. By rotating the knob 13, the first helical teeth 15 and the second helical teeth 14 can cooperate with each other.
  • the threaded rod 9 is linked, the threaded rod 9 is threadedly connected with the first fixing block 11 and the second fixing block 12, the other end of the threaded rod 9 is movably connected with the lower part of the installation block 8, and the lower two sides of the installation block 8
  • a limit rod 10 is respectively provided, one end of the limit rod 10 is connected with the mounting block 8, the other end passes through the first fixing block 11, and the limit rod 10 is slidably connected with the first fixing block 11.
  • the knob 13 When in use, rotate The knob 13 enables the threaded rod 9 to drive the mounting block 8 to move up and down, and the limit rod 10 can make the mounting block 8 move up and down more stably.
  • the panel 3 and the front panel 4, the back panel 3 and the front panel 4 are made by 3D printing according to the contours of the user's body.
  • the back fixing plate 1 is attached to the back of the user
  • the front fixing plate 2 is correspondingly attached to the front of the user
  • the shoulders of the back fixing plate 1 and the front fixing plate 2 are connected by straps.
  • the upper connecting hole 6 and the waist connecting hole 7 are connected correspondingly, so that the spine fixing frame is attached and fixed on the user, and the rotating knob 13 enables the threaded rod 9 to drive the mounting block 8 to move up and down to adjust the back shield 3 and the front shield 4. position, so that the back shield 3 is close to the back of the neck, and the front shield 4 is close to the user's jaw and neck, so as to fix the user's head and spine.
  • the body contour features of the user are made of 3D printing, which can be better fitted when used. the body of the user, so that the spinal fixation frame can help the user to treat the spine more effectively.
  • the material of the back fixing plate 1, the front fixing plate 2, the back shield 3 and the front shield 4 is engineering plastics, and the spine fixing frame parts made of engineering plastics have high strength, good heat resistance and good anti-aging performance. , extending the service life of the spinal fixation frame.
  • the back fixing plate 1, the front fixing plate 2, the reverse shield 3 and the front shield 4 are provided with a flexible pad 18, and the flexible pad 18 covers the back fixing plate 1, the front fixing plate 2, the reverse shield 3 and the front shield.
  • the flexible pad 18 can make the spinal fixation frame more stably fixed on the user's body, and at the same time enable the user to wear the spinal fixation frame more comfortably.
  • the material of the flexible pad 18 is not modified. Restriction, in this embodiment, preferably, the material of the flexible pad 18 is sponge.
  • the working principle of this embodiment is as follows: when in use, the back fixing plate 1 is attached to the back of the user, the front fixing plate 2 is correspondingly attached to the front of the user, and the back fixing plate 1 and the front fixing plate 2 are connected by straps.
  • the shoulder connection hole 6 and the waist connection hole 7 are connected correspondingly, so that the spine fixing frame is attached and fixed on the user, and the knob 13 is rotated to make the threaded rod 9 drive the mounting block 8 to move up and down to adjust the back panel 3 and the front panel. 4, so that the back guard plate 3 is close to the back of the neck, and the front guard plate 4 is close to the user's jaw and neck, thereby fixing the user's head and spine.
  • the frame is more stably fixed on the user's body, and at the same time allows the user to wear the spine fixation frame more comfortably.
  • the material of the spine fixation frame parts printed by 3D is engineering plastic, which has good strength and performance, and prolongs the spine fixation. shelf life.
  • this embodiment is further improved on the basis of Embodiment 1.
  • the improvement is: the back fixing plate 1 and the front fixing plate 2 are evenly distributed with through holes 17 , the sponge pads 18 on the back fixing plate 1 and the front fixing plate 2 are provided with through holes 17 at corresponding positions.
  • the through holes 17 Through the through holes 17, the weight of the spine fixing frame can not only be reduced, but also the spine fixing frame can be worn more lightly.
  • the through holes 17 can make the spinal fixation frame more breathable and comfortable when worn.

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

Abstract

一种3D打印脊椎固定架，包括背部固定板(1)和正面固定板(2)，使用时，将背部固定板(1)贴合使用者的背面，正面固定板(2)对应贴合使用者的正面，通过绑带将背部固定板(1)和正面固定板(2)的肩部连接孔(6)和腰部连接孔(7)对应连接，使脊椎固定架贴合并固定在使用者身上，旋转旋钮(13)使螺纹杆(9)带动安装块(8)上下移动来调节反面护板(3)和正面护板(4)的位置，使反面护板(3)贴紧使用者的后脖、正面护板(4)贴紧使用者的下颌和脖子，从而固定住使用者的头部与脊椎位置，脊椎固定架与人体贴合的组件均根据使用者的身体轮廓特征采用3D打印制作而成，使用时可以更好的贴合使用者的身体，使脊椎固定架可以更有效的帮助使用者治疗脊椎。

Description

一种3D打印脊椎固定架 技术领域
本实用新型涉及一种医疗器械领域，具体是一种3D打印脊椎固定架。
背景技术
脊椎是身体的支柱，位于背部正中，上端接颅骨，下端达尾骨尖，是人体的中轴骨骼，也是身体的支柱，有负重、减震、传递信息、保护和运动等功能，当脊椎受到损伤时，如果不及时处理，容易对人体造成不可逆转的伤害，通常在进行脊椎治疗的过程中会使用脊椎固定架固定好脊椎的位置，避免脊椎乱动对人体造成更严重的损伤，而目前市面上的脊椎固定架大多是流水线生产出来，与不同使用者的贴合度和匹配度也不一样，难以达到很好的辅助治疗效果。
实用新型内容
本实用新型的目的在于提供一种3D打印脊椎固定架，以解决上述背景技术中提出的问题。
为实现上述目的，本实用新型提供如下技术方案：
一种3D打印脊椎固定架，包括背部固定板和正面固定板，所述背部固定板和正面固定板采用3D打印制作而成，所述背部固定板和正面固定板的肩部位置对应设有肩部连接孔，所述背部固定板和正面固定板的腰部位置对应设有腰部连接孔，所述背部固定板和正面固定板上均设有调节机构，所述调节机构包括螺纹杆、安装块和安装壳体，所述螺纹杆的一端穿过设置在背部固定板上的第一固定块和第二固定块且穿过第一固定块和第二固定块的一端设有第一斜齿，所述第一斜齿与设置在安装壳体内的第二斜齿啮合，第二斜齿的一端穿过安装壳体与设置在安装壳体外的旋钮连接，所述螺纹杆与第一固定块和第二固定块螺纹连接，所述螺纹杆的另一端与安装块的下方活动连接，安装块的下方两侧分别设有一个限位杆，所述限位杆的一端与安装块连接，另一端穿过第一固定块且限位杆与第一固定块滑动连接，所述背部固定板和正面固定板上的安装块上分别设有反面护板和正面护板，反面护板和正面护板采用3D打印制作而成。
作为本实用新型进一步的方案：所述背部固定板、正面固定板、反面护板和正面护板的材质为工程塑料。
作为本实用新型再进一步的方案：所述背部固定板、正面固定板、反面护板和正面护板上设有柔性垫，柔性垫覆盖在背部固定板、正面固定板、反面护板和正面护板与使用者身体接触的面上。
作为本实用新型再进一步的方案：所述柔性垫的材质为海绵。
作为本实用新型再进一步的方案：所述背部固定板和正面固定板上均匀布设有通孔，所述背部固定板和正面固定板上的海绵垫对应设有通孔。
与现有技术相比，本实用新型的有益效果是：
1.背部固定板、正面固定板、反面护板和正面护板均为3D打印制作而成，与使用者的身体贴合度高，使用时可以更好的贴合使用者的身体，使脊椎固定架可以更有效的帮助使用者治疗脊椎，同时3D打印出的脊椎固定架零件的材质为工程塑料，具有较好的强度和性能，延长了脊椎固定架的使用寿命。
2.旋转旋钮使螺纹杆带动安装块上下移动来调节反面护板和正面护板的位置，从而固定住使用者的头部与脊椎位置，便于使用者根据治疗的需要调节头部与脊椎的位置，提高治疗效果。
3.海绵垫可以使脊椎固定架更稳固的固定在使用者身体上，同时使使用者能更加舒适的穿戴脊椎固定架，通过通孔不仅可以减轻脊椎固定架的重量，使脊椎固定架穿戴起来更加的轻便，同时还可以使脊椎固定架在穿戴时更加的透气舒适。
附图说明
图1为一种3D打印脊椎固定架的结构示意图。
图2为一种3D打印脊椎固定架中正面护板的结构示意图。
图3为一种3D打印脊椎固定架中反面护板的结构示意图。
图4为一种3D打印脊椎固定架中调节机构的结构示意图。
1-背部固定板、2-正面固定板、3-反面护板、4-正面护板、5-调节机构、6-肩部连接孔、7-腰部连接孔、8-安装块、9-螺纹杆、10-限位杆、11-第一固定块、12-第二固定块、13-旋钮、14-第二斜齿、15-第一斜齿、16-安装壳体、17-通孔、18-海绵垫。
具体实施方式
下面结合具体实施方式对本专利的技术方案作进一步详细地说明。
以下实施例会结合附图对本实用新型进行详述，在附图或说明中，相似或相同的部分使用相同的标号，并且在实际应用中，各部件的形状、厚度或高度可扩大或缩小。本实用新型所列举的各实施例仅用以说明本实用新型，并非用以限制本实用新型的范围。对本实用新型所作的任何显而易知的修饰或变更都不脱离本实用新型的精神与范围。
实施例1
请参阅图1-4，一种3D打印脊椎固定架，包括背部固定板1和正面固定板2，所述背部固定板1和正面固定板2根据使用者上身的身体轮廓采用3D打印制作而成，通过3D打印出来的背部固定板1和正面固定板2可以更好与使用者的身体贴合，所述背部固定板1和正面固定板2的肩部位置对应设有肩部连接孔6，所述背部固定板1和正面固定板2的腰部位置对应设有腰部连接孔7，使用时，将背部固定板1贴合使用使用者的背面，正面固定板2对应贴合使用使用者的正面，通过绑带将背部固定板1和正面固定板2的肩部连接孔6和腰部连接孔7对应连接，使3D打印脊椎固定架贴合并固定在使用者身上，所述背部固定板1和正面固定板2上均设有调节机构5，所述调节机构5包括螺纹杆9、安装块8和安装壳体16，所述螺纹杆9的一端穿过设置在背部固定板1上的第一固定块11和第二固定块12且穿过第一固定块11和第二固定块12的一端设有第一斜齿15，所述第一斜齿15与设置在安装壳体16内的第二斜齿14啮合，第二斜齿14的一端穿过安装壳体16与设置在安装壳体16外的旋钮13连接，通过转动旋钮13可以通过第一斜齿15与第二斜齿14的配合连动螺纹杆9，所述螺纹杆9与第一固定块11和第二固定块12螺纹连接，所述螺纹杆9的另一端与安装块8的下方活动连接，安装块8的下方两侧分别设有一个限位杆10，所述限位杆10的一端与安装块8连接，另一端穿过第一固定块11且限位杆10与 第一固定块11滑动连接，使用时，转动旋钮13使螺纹杆9可以带动安装块8上下移动，通过限位杆10可以使安装块8更加稳定升降，所述背部固定板1和正面固定板2上的安装块8上分别设有反面护板3和正面护板4，反面护板3和正面护板4根据使用者身体轮廓特征采用3D打印制作而成，通过3D打印出来的反面护板3和正面护板4可以更好与使用者的身体部位贴合，使用时，将背部固定板1贴合使用使用者的背面，正面固定板2对应贴合使用使用者的正面，通过绑带将背部固定板1和正面固定板2的肩部连接孔6和腰部连接孔7对应连接，使脊椎固定架贴合并固定在使用者身上，旋转旋钮13使螺纹杆9可以带动安装块8上下移动来调节反面护板3和正面护板4的位置，使反面护板3贴紧使用的后脖、正面护板4贴紧使用者的下颌和脖子，从而固定住使用者的头部与脊椎位置，该装置与人体贴合的组件均根据使用者的的身体轮廓特征采用3D打印制作而成，使用时可以更好的贴合使用者的身体，使脊椎固定架可以更有效的帮助使用者治疗脊椎。
所述背部固定板1、正面固定板2、反面护板3和正面护板4的材质为工程塑料，通过工程塑料制作出的脊椎固定架零件具有强度高、耐热性好和抗老化性能好，延长了脊椎固定架的使用寿命。
所述背部固定板1、正面固定板2、反面护板3和正面护板4上设有柔性垫18，柔性垫18覆盖在背部固定板1、正面固定板2、反面护板3和正面护板4与使用者身体接触的面上，通过柔性垫18可以使脊椎固定架更稳固的固定在使用者身体上，同时使使用者能更加舒适的穿戴脊椎固定架，柔性垫18的材质不加以限制，本实施例中，优选的，所述柔性垫18的材质为海绵。
本实施例的工作原理是：使用时，将背部固定板1贴合使用使用者的背面，正面固定板2对应贴合使用使用者的正面，通过绑带将背部固定板1和正面固定板2的肩部连接孔6和腰部连接孔7对应连接，使印脊椎固定架贴合并固定在使用者身上，旋转旋钮13使螺纹杆9带动安装块8上下移动来调节反面护板3和正面护板4的位置，使反面护板3贴紧使用的后脖、正面护板4贴紧使用者的下颌和脖子，从而固定住使用者的头部与脊椎位置，该装置与人体贴合的组件均根据使用者的的身体轮廓特征采用3D打印制作而成，使用时 可以更好的贴合使用者的身体，使脊椎固定架可以更有效的帮助使用者治疗脊椎，通过海绵垫18可以使脊椎固定架更稳固的固定在使用者身体上，同时使使用者能更加舒适的穿戴脊椎固定架，3D打印出的脊椎固定架零件的材质是工程塑料，具有较好的强度和性能，延长了脊椎固定架的使用寿命。
实施例2
为了使脊椎固定架在使用时能更加的透气轻便，本实施例在实施例1的基础上进一步改进，改进之处为：所述背部固定板1和正面固定板2上均匀布设有通孔17，所述背部固定板1和正面固定板2上的海绵垫18对应位置设有通孔17，通过通孔17不仅可以减轻脊椎固定架的重量，使脊椎固定架穿戴起来更加的轻便，同时通过通孔17可以使脊椎固定架在穿戴时更加的透气舒适。
对于本领域技术人员而言，显然本实用新型不限于上述示范性实施例的细节，而且在不背离本实用新型的精神或基本特征的情况下，能够以其他的具体形式实现本实用新型。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本实用新型的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本实用新型内。
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。

Claims (5)

  1. 一种3D打印脊椎固定架，包括背部固定板(1)和正面固定板(2)，其特征在于，所述背部固定板(1)和正面固定板(2)采用3D打印制作而成，所述背部固定板(1)和正面固定板(2)的肩部位置对应设有肩部连接孔(6)，所述背部固定板(1)和正面固定板(2)的腰部位置对应设有腰部连接孔(7)，所述背部固定板(1)和正面固定板(2)上均设有调节机构(5)，所述调节机构(5)包括螺纹杆(9)、安装块(8)和安装壳体(16)，所述螺纹杆(9)的一端穿过设置在背部固定板(1)上的第一固定块(11)和第二固定块(12)且穿过第一固定块(11)和第二固定块(12)的一端设有第一斜齿(15)，所述第一斜齿(15)与设置在安装壳体(16)内的第二斜齿(14)啮合，第二斜齿(14)的一端穿过安装壳体(16)与设置在安装壳体(16)外的旋钮(13)连接，所述螺纹杆(9)与第一固定块(11)和第二固定块(12)螺纹连接，所述螺纹杆(9)的另一端与安装块(8)的下方活动连接，安装块(8)的下方两侧分别设有一个限位杆(10)，所述限位杆(10)的一端与安装块(8)连接，另一端穿过第一固定块(11)且限位杆(10)与第一固定块(11)滑动连接，所述背部固定板(1)和正面固定板(2)上的安装块(8)上分别设有反面护板(3)和正面护板(4)，反面护板(3)和正面护板(4)采用3D打印制作而成。
  2. 根据权利要求1所述的一种3D打印脊椎固定架，其特征在于，所述背部固定板(1)、正面固定板(2)、反面护板(3)和正面护板(4)的材质为工程塑料。
  3. 根据权利要求1所述的一种3D打印脊椎固定架，其特征在于，所述背部固定板(1)、正面固定板(2)、反面护板(3)和正面护板(4)上设有柔性垫(18)，柔性垫(18)覆盖在背部固定板(1)、正面固定板(2)、反面护板(3)和正面护板(4)与使用者身体接触的面上。
  4. 根据权利要求3所述的一种3D打印脊椎固定架，其特征在于，所述柔性垫(18)的材质为海绵。
  5. 根据权利要求3所述的一种3D打印脊椎固定架，其特征在于，所述背部固定板(1)和正面固定板(2)上均匀布设有通孔(17)，所述背部固定板(1)和正面固定板(2) 上的海绵垫(18)对应位置设有通孔(17)。
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