CN107693096B - It is a kind of with the controlling type Bionics Bone external fixing rack that can lock gimbal suspension device - Google Patents
It is a kind of with the controlling type Bionics Bone external fixing rack that can lock gimbal suspension device Download PDFInfo
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 17
- 239000000725 suspension Substances 0.000 title claims abstract 19
- 235000001968 nicotinic acid Nutrition 0.000 title claims abstract 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000009916 joint effect Effects 0.000 claims description 5
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- 238000012937 correction Methods 0.000 abstract description 2
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- 241000309551 Arthraxon hispidus Species 0.000 description 19
- 239000011664 nicotinic acid Substances 0.000 description 12
- 206010017076 Fracture Diseases 0.000 description 9
- 208000010392 Bone Fractures Diseases 0.000 description 8
- 230000000399 orthopedic effect Effects 0.000 description 7
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/62—Ring frames, i.e. devices extending around the bones to be positioned
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6425—Devices extending alongside the bones to be positioned specially adapted to be fitted across a bone joint
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6441—Bilateral fixators, i.e. with both ends of pins or wires clamped
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/645—Devices extending alongside the bones to be positioned comprising a framework
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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Abstract
Description
技术领域technical field
本发明涉及一种骨外科手术器械，具体是一种具有可锁万向关节器的调控式仿生骨外固定架。The invention relates to an orthopedic surgical instrument, in particular to an adjustable bionic bone external fixator with a lockable universal joint.
背景技术Background technique
在医疗技术现代化的进程中，骨外固定器的材料与结构方面取得长足的发展，突出的无疑是俄国医学专家Ilizarov发明的洞孔环式外固定器，洞孔环式外固定器和细钢针拉张技术，使原始意义上的骨外固定器，在力学作用方式和力学生物学性能发生了质地变化、调控性能提高，适应证更加广泛，是骨外固定器技术领域的重大进步。Ilizarov的技术也激发了无数骨科医生对骨外固定技术的学习、研究和应用的兴趣，其后美国Dror Paley编著了《矫形外科原则》，创造性将CORA概念应用到骨外固定的矫治之中，使骨外固定矫形技术在规范化和数字化方面取得重大进展。与此同时，矫形器械的研究也有长足进步：1984年，Bastiani等发明了一种单边的轴动力外固定器，简化操了作难度，是国内外应用较多的一种骨外固定器；AO学派也认识到骨外固定器在开放、感染性骨折中的应用价值，研制了一种管状外固定器。1994年美国人J Charles Taylor(查尔斯.泰勒)等人在Ilizarov环形外固定器的基础上，改进设计成数字的“空间架构”外固定器(Taylor Spatial Frame，简称TSF)，“空间架构”外固定器是一种将六个可伸缩的连接杆倾斜地连接近端和远端环上、并在连接点处可以自由旋转的洞孔环式外固定器，该洞孔环式外固定器也称“泰勒空间框架”。In the process of modernization of medical technology, the material and structure of bone external fixator have made great progress. The outstanding one is undoubtedly the hole ring type external fixator invented by Russian medical expert Ilizarov, the hole ring type external fixator and fine steel The needle stretching technology has changed the texture of the mechanical action mode and mechanical biological properties of the original external fixator, improved the regulation performance, and expanded the indications. It is a major advancement in the field of external fixator technology. Ilizarov's technology has also stimulated countless orthopedic surgeons' interest in learning, researching and applying external fixation technology. Later, Dror Paley in the United States compiled "Principles of Orthopedic Surgery", creatively applying the concept of CORA to the correction of external fixation. Make significant progress in the standardization and digitization of external fixation orthopedic technology. At the same time, the research on orthopedic devices has also made great progress: in 1984, Bastiani et al. invented a unilateral axial power external fixator, which simplifies the difficulty of operation and is a kind of bone external fixator that is widely used at home and abroad; The AO school also recognized the value of external fixators in open and infected fractures, and developed a tubular external fixator. In 1994, American J Charles Taylor (Charles. Taylor) and others improved and designed a digital "space frame" external fixator (Taylor Spatial Frame, TSF for short) on the basis of the Ilizarov annular external fixator. The fixer is a hole ring external fixator that connects six telescopic connecting rods obliquely to the proximal and distal rings, and can rotate freely at the connection point. The hole ring external fixator is also Called "Taylor Space Frame".
现在，申请人依据“骨科自然重建理念”，提出了一种“骨折固定的适应性刚度概念”，即适应性固定刚度。所述适应性固定刚度，是指骨外固定器在维持骨折复位稳定的同时，按照骨胚胎原始发育方式，提供阶段性最佳固定刚度，充分利用骨对应力的适应性控制，调整骨的生长与吸收，促进骨折愈合的进程，完成骨功能的优化重建，直至骨愈合恢复到最完善的程度，换句话说，就是骨折固定的刚度随着骨愈合的强度的增加而降低，骨力学强度随着固定刚度的降低而增加的一个动态的转化过程。由此总结出：骨折早期实施坚强固定，中期提供轴向和综合应力刺激的弹性固定，后期提供平衡固定，这一概念符合骨折固定、愈合、重建的生物学过程，对外固定技术在临床上合理应用提供了有实际意义的理论指导。Now, the applicant proposes an "adaptive stiffness concept for fracture fixation" based on the "natural reconstruction concept of orthopedics", that is, adaptive fixation stiffness. The adaptive fixation stiffness refers to that the external fixator maintains the stability of the fracture reduction and at the same time, according to the original development mode of the bone embryo, provides the best fixation stiffness in stages, fully utilizes the adaptive control of the bone to the stress, and adjusts the growth and development of the bone. Absorb, promote the process of fracture healing, complete the optimal reconstruction of bone function, until the bone healing is restored to the most perfect level, in other words, the stiffness of fracture fixation decreases with the increase of bone healing strength, and the mechanical strength of bone decreases with the increase of bone healing strength. A dynamic transformation process in which the fixed stiffness decreases and increases. From this, it can be concluded that strong fixation should be implemented in the early stage of fracture, elastic fixation with axial and comprehensive stress stimulation should be provided in the middle stage, and balanced fixation should be provided in the later stage. This concept conforms to the biological process of fracture fixation, healing and reconstruction, and the external fixation technique is clinically reasonable. Applications provide theoretical guidance with practical implications.
发明内容Contents of the invention
本发明的目的在于提供一种具有可锁万向关节器的调控式仿生骨外固定架，以解决上述背景技术中提出的问题。The object of the present invention is to provide an adjustable bionic bone external fixator with a lockable universal joint to solve the problems raised in the above-mentioned background technology.
为实现上述目的，本发明提供如下技术方案：To achieve the above object, the present invention provides the following technical solutions:
一种具有可锁万向关节器的调控式仿生骨外固定架，包括近端全环、远端全环和连接杆、钢针固定夹和钢针，所述近端全环和所述远端全环上均通过螺栓连接方式分别固定设置有钢针固定夹，连接杆的一端通过可锁万向关节器与近端全环连接，连接杆的另一端通过螺母与远端全环连接，所述可锁万向关节器通过螺栓与近端全环固定连接，通过连接杆将可锁万向关节器与远端全环固定，所述可锁万向关节器包括有可锁万向关节头A、可锁万向关节头B、关节销轴A、锁紧母A、H型架、挡圈、关节销轴B和锁紧母B，所述可锁万向关节头A通过外螺纹与关节销轴A连接，通过内螺纹与连接杆连接，所述锁紧母A通过可锁万向关节头A外螺纹在与关节销轴A连接，锁紧母A可在中间旋动，所述H型架有垂直交叉的两个通孔，关节销轴B通过H型架通孔与挡圈过盈配合，同理实现可锁万向关节头B、关节销轴B、锁紧母B与H型架的连接关系；An adjustable bionic bone external fixator with a lockable universal joint, comprising a proximal full ring, a distal full ring, a connecting rod, a steel pin fixing clip and a steel pin, the proximal full ring and the distal The full ring at the end is respectively fixed with steel needle fixing clips through bolt connection, one end of the connecting rod is connected with the full ring at the proximal end through a lockable universal joint, and the other end of the connecting rod is connected with the full ring at the far end through a nut. The lockable universal joint is fixedly connected to the proximal full ring by bolts, and the lockable universal joint is fixed to the distal full ring by a connecting rod. The lockable universal joint includes a lockable universal joint Head A, lockable universal joint head B, joint pin shaft A, locking nut A, H-shaped frame, retaining ring, joint pin shaft B and locking nut B, and the lockable universal joint head A is threaded It is connected with the joint pin shaft A, and connected with the connecting rod through the internal thread, and the locking nut A is connected with the joint pin shaft A through the external thread of the lockable universal joint head A, and the locking nut A can rotate in the middle, so The H-shaped frame has two through holes vertically intersecting, and the joint pin B passes through the H-shaped frame through hole and the retaining ring is interference-fitted, and the lockable universal joint head B, joint pin B, and locking nut B are realized in the same way. The connection relationship with the H-frame;
所述连接杆采用螺纹杆、牵伸杆或延长杆，且连接杆的数量为两根、三根、四根、六根或八根；The connecting rods are threaded rods, drafting rods or extension rods, and the number of connecting rods is two, three, four, six or eight;
所述连接杆为竖直连接杆或斜连接杆；The connecting rod is a vertical connecting rod or an oblique connecting rod;
所述可锁万向关节器的两个锁紧母同时放松时可实现任意方向的转动即实现万向关节器作用，其中一个锁紧母锁紧时，另一个锁紧母放松时，将是单个轴旋转即实现单关节作用，当两个锁紧母同时锁紧时，可实现任意角度锁紧，即实现锁紧关节作用。When the two locking nuts of the lockable universal joint are loosened at the same time, the rotation in any direction can be realized, that is, the action of the universal joint can be realized. When one of the locking nuts is locked and the other is loosened, it will be Rotating a single shaft realizes single-joint action. When two locking nuts are locked at the same time, locking at any angle can be realized, that is, the locking joint action is realized.
与现有技术相比，本发明的有益效果是：Compared with prior art, the beneficial effect of the present invention is:
1、采用了可锁万向关节器的调控式仿生骨外固定架对骨折复位的前后成角、左右成角调整方便固定精准，畸形矫正调整轻快不易卡死，结构简单、重量轻、成本低、可调控、操作灵活，可有针对性的、个性化的进行组合、调控。1. The adjustable bionic external fixator adopts the lockable universal joint device to adjust the front and rear angulation and left and right angulation for fracture reduction, which is convenient and accurate. , Adjustable, flexible operation, can be combined and adjusted in a targeted and personalized manner.
2、采用了可锁万向关节器的调控式仿生骨外固定架可以使机械能（力学环境）与生物能（组织再生）具有很好的相容性（力学生物学环境的合理性），可以满足骨折早期实施坚强固定、中期提供轴向和综合应力刺激的弹性固定、后期提供平衡固定的要求。2. The adjustable bionic external fixator with lockable universal joint can make the mechanical energy (mechanical environment) and biological energy (tissue regeneration) have good compatibility (the rationality of the mechanical biological environment), and can It meets the requirements of strong fixation in the early stage of fracture, elastic fixation with axial and comprehensive stress stimulation in the middle stage, and balanced fixation in the later stage.
3、采用了可锁万向关节器的调控式仿生骨外固定器可根据治疗的需要，任选2～6根骨外固定器用连接杆并配合可锁万向关节器进行组合，克服了现有产品整个系统被固化、制造成本高、调整范围单一、能旋转不能锁紧、能锁紧不能旋转、同时实现多种关节器功能、多产品规格成为一种规格降低的生产成本，解决使用价格昂贵、医疗成本高的缺点。3. The control-type bionic external fixator using a lockable universal joint can choose 2 to 6 connecting rods for external fixator and combine them with a lockable universal joint according to the needs of the treatment, which overcomes the current situation. The entire system of some products is solidified, the manufacturing cost is high, the adjustment range is single, it can be rotated but not locked, and it can be locked but not rotated. It can realize multiple joint functions at the same time, and multiple product specifications become a specification to reduce production costs and solve the use price. Disadvantages of expensive and high medical costs.
4、采用了可锁万向关节器的调控式仿生骨外固定器在实施穿针固定后，可以通过手法（人手）直接进行整型复位（矫形）调整，既能保证手术治疗质量，又无须使用电脑辅助系统进行操作，减少工作量，省时、省力、省医疗费，同时也为实现真正意义的智能化控制提供了坚实的基础。4. The control-type bionic external fixator using a lockable universal joint can directly carry out plastic reduction (orthopedic) adjustment through manipulation (manual) after the implementation of needle fixation, which can not only ensure the quality of surgical treatment, but also eliminate the need for Using a computer-aided system for operation reduces workload, saves time, effort, and medical expenses, and also provides a solid foundation for the realization of real intelligent control.
5、采用了可锁万向关节器的调控式仿生骨外固定架中的各个构件与现有的组合式骨外固定器相比，在保持原有构件特点的同时，又进行了较大的改进和创新，增加了新的功能，各个构件的改进和创新使调控式仿生骨外固定器的性能得到新提升，功能更加科学、先进和实用，满足了多种病例的需要。5. Compared with the existing combined external fixator, each component in the control-type bionic external fixator using a lockable universal joint device has undergone a greater improvement while maintaining the characteristics of the original components. Improvement and innovation have added new functions. The improvement and innovation of each component has improved the performance of the adjustable bionic external fixator. The function is more scientific, advanced and practical, and meets the needs of various cases.
6、采用了可锁万向关节器的调控式仿生骨外固定架的构件设计巧妙合理，每个构件既有相对的独立性，又有很强的互换性，不仅可随机组成本发明所述的各种临床所需的骨外固定器个体化构型，还可以根据年龄、部位和治疗要求，随机组成单侧、三角式、半环式和复合式等不同几何形状的骨外固定器，本发明对骨外固定架的力学效应进行了新的创新，研制的可锁万向关节器属于仿生关节，它们具有顺应生物学要求的结构，使骨外固定架迈向仿生学的境界成为可能，为实施控制论提供了技术保证。6. The design of the components of the adjustable bionic external fixator using a lockable universal joint is ingenious and reasonable. Each component is relatively independent and highly interchangeable. According to the individual configuration of various clinically required external fixators, it can also be randomly composed of unilateral, triangular, semi-circular and compound external fixators with different geometric shapes according to age, location and treatment requirements. , the present invention makes a new innovation on the mechanical effect of the external fixator, and the developed lockable universal joint belongs to the bionic joint. Possibly, a technical guarantee is provided for the implementation of cybernetics.
附图说明Description of drawings
图1为本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.
图2为本发明中可锁万向关节器的结构示意图。Fig. 2 is a schematic diagram of the structure of the lockable universal joint in the present invention.
图3为本发明中可锁万向关节器的爆炸示意图。Fig. 3 is an exploded schematic diagram of the lockable universal joint device in the present invention.
图4为本发明的使用状态示意图。Fig. 4 is a schematic diagram of the use state of the present invention.
图中：1-近端全环，2-可锁万向关节器，3-连接杆，4-钢针固定夹，5-钢针，6-远端全环，7-螺母，8-可锁万向关节头A，9-锁紧母A，10-关节销轴A，11- H型架，12-挡圈，13-关节销轴B，14-锁紧母B，15-可锁万向关节头B。In the figure: 1-proximal full ring, 2-lockable universal joint, 3-connecting rod, 4-steel needle fixing clip, 5-steel needle, 6-distal full ring, 7-nut, 8-can Lock universal joint head A, 9-locking female A, 10-joint pin A, 11-H frame, 12-retaining ring, 13-joint pin B, 14-locking female B, 15-lockable Universal joint head B.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
请参阅图1-3，本发明实施例中，一种具有可锁万向关节器的调控式仿生骨外固定架，包括近端全环1、远端全环6和连接杆3、钢针固定夹4和钢针5，所述近端全环1和所述远端全环6上均通过螺栓连接方式分别固定设置有钢针固定夹4，钢针固定夹4用于固定钢针5；连接杆3的一端通过可锁万向关节器2与近端全环1连接，连接杆3的另一端通过螺母7与远端全环6连接，所述可锁万向关节器2通过螺栓与近端全环1固定连接，通过连接杆3将可锁万向关节器2与远端全环6固定；所述可锁万向关节器2包括有可锁万向关节头A8、可锁万向关节头B15、关节销轴A10、锁紧母A9、H型架11、挡圈12、关节销轴B13和锁紧母B14，所述可锁万向关节头A8通过外螺纹与关节销轴A10连接，通过内螺纹与连接杆3连接，所述锁紧母A9通过可锁万向关节头A8外螺纹在与关节销轴A10连接，锁紧母A9可在中间旋动，所述H型架11有垂直交叉的两个通孔，关节销轴B13通过H型架11通孔与挡圈12过盈配合；同理实现可锁万向关节头B15、关节销轴B13、锁紧母B14与H型架11的连接关系。Please refer to Fig. 1-3, in the embodiment of the present invention, an adjustable bionic bone external fixator with a lockable universal joint, including a proximal full ring 1, a distal full ring 6, a connecting rod 3, and a steel needle The fixing clip 4 and the steel needle 5, the proximal full ring 1 and the distal full ring 6 are respectively fixed with a steel needle fixing clip 4 through a bolt connection mode, and the steel needle fixing clip 4 is used to fix the steel needle 5 One end of the connecting rod 3 is connected with the proximal full ring 1 through the lockable universal joint device 2, and the other end of the connecting rod 3 is connected with the distal full ring 6 through the nut 7, and the lockable universal joint device 2 is connected through the bolt It is fixedly connected with the proximal full ring 1, and the lockable universal joint 2 and the distal full ring 6 are fixed through the connecting rod 3; the lockable universal joint 2 includes a lockable universal joint head A8, a lockable Universal joint head B15, joint pin shaft A10, locking nut A9, H-shaped frame 11, retaining ring 12, joint pin shaft B13 and locking nut B14, the lockable universal joint head A8 is connected with the joint pin through the external thread The shaft A10 is connected to the connecting rod 3 through the internal thread. The locking nut A9 is connected to the joint pin shaft A10 through the external thread of the lockable universal joint head A8. The locking nut A9 can rotate in the middle, and the H The type frame 11 has two through holes vertically intersecting, and the joint pin shaft B13 interferes with the retaining ring 12 through the H type frame 11 through hole; similarly, the lockable universal joint head B15, the joint pin shaft B13, and the locking nut are realized Connection relationship between B14 and H-frame 11.
本发明实施例中，所述可锁万向关节头A8为内螺纹接头，可锁万向关节头B15为内螺纹接头，或者所述可锁万向关节头A8为内螺纹接头，可锁万向关节头B15为外螺纹接头，或者可锁万向关节头A8为外螺纹接头，可锁万向关节头B15为内螺纹接头，或者可锁万向关节头A8为外螺纹接头，可锁万向关节头B15为外螺纹接头。In the embodiment of the present invention, the lockable universal joint head A8 is an internally threaded joint, the lockable universal joint head B15 is an internally threaded joint, or the lockable universal joint head A8 is an internally threaded joint that can be locked The joint head B15 is an external thread joint, or the lockable universal joint head A8 is an external thread joint, the lockable universal joint head B15 is an internal thread joint, or the lockable universal joint head A8 is an external thread joint, which can be locked The joint B15 is an external thread joint.
本发明实施例中，所述近端全环1和远端全环6均可连接可锁万向节关节器2，连接杆3采用螺纹杆、牵伸杆或延长杆，且连接杆的数量为两根、三根、四根、六根或八根，通过对连接杆3的长度调节实现可锁万向关节器不同角度的变化。In the embodiment of the present invention, the proximal full ring 1 and the distal full ring 6 can be connected to the lockable universal joint 2, the connecting rod 3 adopts a threaded rod, a draft rod or an extension rod, and the number of connecting rods There are two, three, four, six or eight, and the change of different angles of the lockable universal joint can be realized by adjusting the length of the connecting rod 3 .
本发明实施例中，所述连接杆3为竖直连接杆或斜连接杆。In the embodiment of the present invention, the connecting rod 3 is a vertical connecting rod or an oblique connecting rod.
本发明实施例中，所述可锁万向关节器2的两个锁紧母14同时放松时可实现任意方向的转动既实现万向关节器作用，其中一个锁紧母14锁紧时，另一个锁紧母14放松时，将是单个轴旋转既实现单关节作用，当两个锁紧母14同时锁紧时，可实现任意角度锁紧，既实现锁紧关节作用。In the embodiment of the present invention, when the two locking nuts 14 of the lockable universal joint 2 are loosened at the same time, rotation in any direction can be realized and the function of the universal joint can be realized. When one of the locking nuts 14 is locked, the other When one locking nut 14 is loosened, a single axis will be rotated to achieve a single joint action. When two locking nuts 14 are locked at the same time, any angle locking can be realized, which realizes the locking joint action.
最后应说明的是：以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still It is possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present invention shall be included in the within the protection scope of the present invention.
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| CN201711140603.1A CN107693096B (en) | 2017-11-16 | 2017-11-16 | It is a kind of with the controlling type Bionics Bone external fixing rack that can lock gimbal suspension device |
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| CN201711140603.1A CN107693096B (en) | 2017-11-16 | 2017-11-16 | It is a kind of with the controlling type Bionics Bone external fixing rack that can lock gimbal suspension device |
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| CN108478266B (en) * | 2018-03-26 | 2020-11-06 | 天津大学 | Free-connection three-branch parallel orthopaedic external fixator |
| CN108742804B (en) * | 2018-06-05 | 2020-04-07 | 天津大学 | Parallel external fixing support for fracture reduction |
| CN109966106B (en) * | 2019-04-11 | 2023-11-21 | 潍坊钰鼎生物科技有限公司 | Auxiliary reduction mechanism for fracture |
| CN110141336B (en) * | 2019-04-14 | 2024-06-18 | 浙江工业大学 | Bone rehabilitation external fixation frame with stepless adjustable clamp |
| CN110013295A (en) * | 2019-05-15 | 2019-07-16 | 柴益民 | An external fixation scaffold for promoting bone growth |
| CN114224459B (en) * | 2022-01-18 | 2023-11-07 | 王全 | Universal joint device for external fixing frame for proximal femur osteotomy of Ilizarov hip |
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| CH681352A5 (en) * | 1989-09-27 | 1993-03-15 | Jaquet Orthopedie | |
| US7261713B2 (en) * | 2001-10-09 | 2007-08-28 | Synthes (Usa) | Adjustable fixator |
| US8257353B2 (en) * | 2010-02-24 | 2012-09-04 | Wright Medical Technology, Inc. | Orthopedic external fixation device |
| CN103006301B (en) * | 2012-10-22 | 2016-12-21 | 夏和桃 | Exter-nal fixer self-locking joint and controlling type Bionics Bone external fixator |
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