CN106236226B - A coil-spring external fixator adaptable to comminuted fractures - Google Patents
A coil-spring external fixator adaptable to comminuted fractures Download PDFInfo
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- 208000024779 Comminuted Fractures Diseases 0.000 title abstract description 3
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Abstract
本发明涉及一种可适应粉碎性骨折的圈簧形骨外固定器，包括骨面固定组件、体外固定器和纵向外框，纵向外框为圈簧状，所述骨面固定组件包括若干固定块，所述固定块之间设置有固定线缆，所述固定块固定在纵向外框上，所述固定线缆之间通过固定块围成支撑框架，本发明采用外框和拉紧线的配合，通过直径更小的拉紧线在外框的支撑下，形成一个或多个固定网孔，从而实现对骨骼的配合，因为拉紧线的低弹性，不仅可以保证骨骼的固定，同时也可以防止拉紧线对骨骼表面的过度压迫，造成骨坏死。
The invention relates to a coil-spring external fixator adaptable to comminuted fractures, comprising a bone surface fixation assembly, an external fixator and a longitudinal outer frame, the longitudinal outer frame is in the shape of a coil spring, and the bone surface fixation assembly includes several fixed Blocks, fixed cables are arranged between the fixed blocks, the fixed blocks are fixed on the longitudinal outer frame, and the support frame is surrounded by the fixed blocks between the fixed cables, the present invention adopts the outer frame and tension wire Coordination, one or more fixed meshes are formed under the support of the outer frame through the tension wire with smaller diameter, so as to realize the cooperation with the bone, because the low elasticity of the tension wire can not only ensure the fixation of the bone, but also can Prevent excessive compression of the tension wire on the surface of the bone, resulting in osteonecrosis.
Description
本申请分案申请，原申请的申请号201410578513.0，发明创造名称：一种圈簧形骨外固定器，申请日：2014-10-24。This application is a divisional application, the application number of the original application is 201410578513.0, the name of the invention: a coil spring-shaped bone external fixator, and the application date: 2014-10-24.
技术领域technical field
本发明涉及一种圈簧形骨外固定器，具有涉及一种采用线缆进行骨部固定的骨外固定器。The invention relates to a coil-spring external bone fixator, in particular to a bone external fixator using cables for bone fixation.
背景技术Background technique
在骨折等骨科治疗过程中，术后经常通过各种支架穿透皮表，对骨骼进行固定使之恢复，在恢复后，再通过创伤手术，将支架进行拆除，整个过程需要进行多次手术，对人体肌肉和表皮部分带来的创伤比较大，而且术后恢复期也比较长，同时传统的支架对骨部带来的压迫和创伤都比较大；In the process of orthopedic treatment such as fractures, various brackets are often used to penetrate the skin surface after surgery to fix the bones to restore them. After recovery, the brackets are removed through trauma surgery. The whole process requires multiple operations. The trauma caused to the human muscle and epidermis is relatively large, and the postoperative recovery period is relatively long. At the same time, the traditional brackets cause relatively large compression and trauma to the bone;
对此现在市场上，提供了很多能一定程度上降低手术时创伤程度和减少手术次数，同时又可以加快愈合的骨科固定器，如专利号为ZL201120537796.6的发明，其中提出了一种用于骨骼部包裹的钢丝，这种钢丝通过在钢丝表面设置可吸收材料保护套来降低对骨骼的损伤，降低骨骼缺血坏死的几率，但其本身还是通过多次缠绕的方式实现骨部的固定，在骨骼恢复后，拆除钢丝手术所带来的皮肤和肌肉床上还是很大，需要比较长的时间进行恢复；In this regard, on the market now, many orthopedic fixators that can reduce the degree of trauma during surgery and reduce the number of operations to a certain extent, and can accelerate healing at the same time, such as the invention of ZL201120537796.6, which proposes a method for The steel wire wrapped around the bone part, this kind of steel wire reduces the damage to the bone and reduces the chance of bone ischemia and necrosis by setting a protective sheath of absorbable material on the surface of the steel wire. After bone recovery, the skin and muscle bed caused by wire removal surgery are still very large, and it takes a long time to recover;
再如同ZL201420132756.7名称为一种髌骨外固定架的发明专利，其中也提出了一种微创的骨骼外部的固定架，此结构比较比较类似于现在普遍使用的钢钉固定式的结构，其主要目的是实现多方位的骨部固定，同时细钢钉对人体带来的创伤也比较小，可以避免二次取出手术对人体带来的伤害和感染，但在其技术方案中，钢钉起主要的支撑作用，为了保证其一定的支撑性能（即抗弯强度）所以钢钉本身无法做的像针灸针那样细，所以其钢钉对人体表皮和肌肉创伤程度的减小还是比较有限的,而且钢钉本身因为其体积缘故和特殊的生物性能缘故，如果使用钛合金等材料制作的话，加工难度和成本都比较高，如果使用一些生物性能较好的聚合物制作的话，其强度又无法保证，同时该发明的主支撑器为一个环形金属板，安装时，会对待手术的肢体部带来遮挡，安装会比较困难，也无法实现在X光照下的准确安装；Another example is the invention patent of ZL201420132756.7 titled a patella external fixator, which also proposes a minimally invasive bone external fixator. This structure is more similar to the commonly used steel nail-fixed structure. The main purpose is to achieve multi-directional bone fixation. At the same time, the trauma caused by the thin steel nails to the human body is relatively small, which can avoid the injury and infection caused by the second removal operation to the human body. However, in its technical plan, the steel nails The main support function, in order to ensure a certain support performance (ie, bending strength), the steel nail itself cannot be made as thin as acupuncture needles, so the reduction of the degree of trauma to the human epidermis and muscles by the steel nail is still relatively limited. Moreover, due to its volume and special biological properties, if the steel nail itself is made of titanium alloy and other materials, the processing difficulty and cost are relatively high. If it is made of some polymers with better biological properties, its strength cannot be guaranteed. At the same time, the main support of the invention is an annular metal plate, which will block the limbs to be operated during installation, making installation more difficult, and accurate installation under X-rays cannot be realized;
所以综上所述，现有技术中的骨骼外部固定器具还是存在着许多的不足，例如：安装带来的创伤、二次取出手术创伤、成本无法降低、安装难度大。Therefore, in summary, there are still many deficiencies in the external bone fixation devices in the prior art, for example: trauma caused by installation, secondary removal surgery trauma, cost cannot be reduced, and installation is difficult.
发明内容Contents of the invention
本发明要解决的技术问题是：克服现有技术中支架安装创伤大、固定手术复杂等技术问题，提供一种对安装者创伤较小，可以减少甚至不需要二次手术的骨科固定支架。The technical problem to be solved by the present invention is to overcome the technical problems of large trauma and complicated fixation operation in the prior art, and provide an orthopedic fixation bracket with less trauma to the installer and less or even no need for secondary surgery.
本发明解决其技术问题所采用的技术方案是：The technical solution adopted by the present invention to solve its technical problems is:
一种圈簧形骨外固定器，包括体外固定器和纵向固定器，所述纵向固定器之间通过体外固定器固定到身体表面，所述纵向固定器包括纵向外框和若干设置在外框内的骨面固定组件；A coil spring external fixator for bone, comprising an external fixator and a longitudinal fixator, the longitudinal fixator is fixed to the surface of the body through the external fixator, the longitudinal fixator includes a longitudinal outer frame and several Bone surface fixation components;
所述纵向外框为圈簧状，所述骨面固定组件包括若干个固定在纵向外框上的固定块，所述固定块之间设置有固定线缆，所述外框之间设置有至少由两个固定线缆组成的支撑框架，所述支撑框架与骨面接触、实现骨骼的支撑；The longitudinal outer frame is in the shape of a coil spring, and the bone surface fixation assembly includes several fixing blocks fixed on the longitudinal outer frame, fixing cables are arranged between the fixing blocks, and at least A support frame composed of two fixed cables, the support frame is in contact with the bone surface to realize the support of the bone;
所述体外固定器包括两个设置在纵向外框轴向两侧的固定塞，所述固定塞的外壁上设置有与所述纵向外框的内环对应的螺纹凹槽，所述固定塞中部设置有一个圆柱形通孔，所述圆柱形通孔内设置有圆管状的支撑套，所述固定塞由至少两个弧形块组成。The external fixator includes two fixing plugs arranged on both axial sides of the longitudinal outer frame, the outer wall of the fixing plugs is provided with a threaded groove corresponding to the inner ring of the longitudinal outer frame, and the middle part of the fixing plug A cylindrical through hole is provided, and a circular tube-shaped support sleeve is arranged in the cylindrical through hole, and the fixing plug is composed of at least two arc-shaped blocks.
作为本发明的进一步创新，所述固定塞的上下两端设置有环形凹槽，所述弧形块之间通过设置在环形凹槽内的卡簧固定连接。As a further innovation of the present invention, the upper and lower ends of the fixed plug are provided with annular grooves, and the arc-shaped blocks are fixedly connected by snap springs arranged in the annular grooves.
作为本发明的进一步创新，所述固定块包括一个用于固定固定线缆的固定孔，所述固定孔的侧壁上设置有锁紧螺钉A。As a further innovation of the present invention, the fixing block includes a fixing hole for fixing the cable, and a locking screw A is provided on the side wall of the fixing hole.
作为本发明的进一步创新，所述固定块包括一个用于与外框套接的滑动孔，所述滑动孔的侧壁上设置有锁紧螺钉B。As a further innovation of the present invention, the fixing block includes a sliding hole for socketing with the outer frame, and a locking screw B is provided on the side wall of the sliding hole.
作为本发明的进一步创新，所述固定线缆包括拉紧线，所述拉紧线的材料具有生物相容性。As a further innovation of the present invention, the fixing cable includes a tension wire, and the material of the tension wire is biocompatible.
作为本发明的进一步创新，所述拉紧线采用脂肪族聚酯制成。As a further innovation of the present invention, the tension wire is made of aliphatic polyester.
作为本发明的进一步创新，所述拉紧线中部设置有强化金属缆，所述强化金属线缆的材料具有生物相溶性。As a further innovation of the present invention, a reinforced metal cable is arranged in the middle of the tension wire, and the material of the reinforced metal cable is biocompatible.
作为本发明的进一步创新，所述强化金属线缆采用钛合金制成。As a further innovation of the present invention, the reinforced metal cable is made of titanium alloy.
作为本发明的进一步创新，支撑套采用柔性材料制成。As a further innovation of the present invention, the support sleeve is made of flexible material.
本发明的有益效果是：The beneficial effects of the present invention are:
本发明采用外框和拉紧线的配合，通过直径更小的拉紧线在外框的支撑下，形成一个或多个固定网孔，从而实现对骨骼的配合，因为拉紧线的低弹性，不仅可以保证骨骼的固定，同时也可以防止拉紧线对骨骼表面的过度压迫，造成骨坏死；The present invention adopts the cooperation of the outer frame and the tension wire, forms one or more fixed mesh holes under the support of the outer frame through the tension wire with smaller diameter, thereby realizing the cooperation with the bone, because of the low elasticity of the tension wire, It can not only ensure the fixation of the bone, but also prevent the excessive compression of the tension wire on the surface of the bone, resulting in osteonecrosis;
同时本发明因为其直径较小，所以初期手术时，遮挡面也比较小，可以进行比较精确的手术，而且拉紧线的植入其创口面只有针孔大小，可以实现微创手术的目的；At the same time, because the diameter of the present invention is small, the shielding surface is relatively small during the initial operation, and a more accurate operation can be performed, and the wound surface of the implanted tension thread is only the size of a pinhole, which can realize the purpose of minimally invasive surgery;
本发明的圈形弹簧状的外框，不仅提高了整体性，同时因为弹簧抗纵向变形的弹性，使得本发明的外框可以根据人体手臂的形状进行微量的变形，而因为弹簧本身的弹性，又可以对直筒型的骨骼进行自我矫正；The coil-shaped spring-shaped outer frame of the present invention not only improves the integrity, but also because of the elasticity of the spring against longitudinal deformation, the outer frame of the present invention can be slightly deformed according to the shape of the human arm, and because of the elasticity of the spring itself, It can also self-correct straight bones;
支撑套可以在固定塞旋入的同时，防止固定塞内壁与人体表皮发生摩擦，造成表皮的破损。The support sleeve can prevent the inner wall of the fixing plug from rubbing against the epidermis of the human body to cause damage to the epidermis when the fixing plug is screwed in.
此外本发明亦可实现对骨骼的缠绕固定，从而适应粉碎性骨折的状况。In addition, the present invention can also realize winding and fixation of bones, thereby adapting to the situation of comminuted fractures.
上述圈簧形骨外固定器的工作方法，其特征在于包括：在固定时，首先根据具体情况，将固定线缆穿入到皮下，直到从肢部的另一侧引出，随后将纵向外框套入套入到人体的手臂，将固定块通过锁紧螺钉B固定到纵向外框上，将固定线缆3的两端拉紧并且通过锁紧螺钉A，将固定线缆3进行固定，随后设置第二对固定块上的固定线缆，直到将骨骼束缚在图2所示固定线缆所围成的中心框内，实现骨骼的固定。The working method of the above-mentioned coil spring external fixator is characterized in that it includes: when fixing, firstly according to the specific situation, the fixing cable is inserted under the skin until it is drawn out from the other side of the limb, and then the longitudinal outer frame Put it into the arm of the human body, fix the fixing block to the longitudinal outer frame through the locking screw B, tighten the two ends of the fixing cable 3 and fix the fixing cable 3 through the locking screw A, and then Set the fixed cables on the second pair of fixed blocks until the bones are constrained in the central frame surrounded by the fixed cables shown in Figure 2 to achieve bone fixation.
1、本发明的外框也采用了外形较小、遮挡面积也比较小的环形结构，减轻了整个固定器的重量，降低了手术的难度，也节约了材料。1. The outer frame of the present invention also adopts a circular structure with a smaller shape and a smaller shielding area, which reduces the weight of the entire fixator, reduces the difficulty of surgery, and saves materials.
2、本发明的拉紧线采用夹紧式固定，这种结构可以提高安装的便利性，同时拉紧线也可以以一个更高的预紧力安装。2. The tension wire of the present invention is fixed by clamping. This structure can improve the convenience of installation, and at the same time, the tension wire can also be installed with a higher pre-tightening force.
3、本发明的固定块与外框之间为滑动固定，可以更加方便的调整固定块之间的位置，从而方便的根据具体的骨骼状况，调整拉紧线的固定位置，极大增加了泛用性。3. The fixed block and the outer frame of the present invention are fixed by sliding, and the position between the fixed blocks can be adjusted more conveniently, so that the fixed position of the tension wire can be adjusted conveniently according to the specific bone condition, which greatly increases the pan usability.
4、具有生物相容性的脂肪族聚酯材质制成的拉紧线，因为其低生物排斥性，在恢复后，可以留在人体的体内，可以降低二次拆除手术的创伤程度，如果骨骼本身破坏程度不大的话，可以不进行二次拆除手术。4. The tension thread made of biocompatible aliphatic polyester material, because of its low bio-repellency, can stay in the body after recovery, which can reduce the trauma of the second removal operation. If the bone If the degree of damage itself is not large, it is not necessary to perform a second removal operation.
5、本发明的拉紧线缆中还加入了一个钛合金制成的强化线缆以防止拉紧过度导致的拉紧线断裂的情况，在恢复后可以直接将钛合金的强化线缆抽出，部分留在体内也不会存在太大的排异问题。5. A reinforced cable made of titanium alloy is also added to the tension cable of the present invention to prevent the tension wire from breaking due to excessive tension. After recovery, the reinforced cable of titanium alloy can be pulled out directly. Part of it stays in the body and there will not be too much rejection.
附图说明Description of drawings
下面结合附图和实施例对本发明进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
图1是本发明安装示意图；Fig. 1 is a schematic diagram of installation of the present invention;
图2是本发明的使用状态1的示意图；Fig. 2 is a schematic diagram of the use state 1 of the present invention;
图3是本发明的使用状态2的示意图；Fig. 3 is a schematic diagram of the use state 2 of the present invention;
图4是固定块的剖面图；Fig. 4 is the sectional view of fixed block;
图5是纵向外框的示意图；Fig. 5 is a schematic diagram of a longitudinal outer frame;
图6是固定塞的剖面图；Fig. 6 is a sectional view of the fixed plug;
图7是固定塞的结构示意图；Fig. 7 is the structural representation of fixed plug;
图中：1、固定块；2、纵向外框；3、固定线缆；4、骨骼A；5、骨骼B；6、骨骼C；7、固定塞；8、支撑套；9、卡簧；In the figure: 1, fixed block; 2, longitudinal outer frame; 3, fixed cable; 4, bone A; 5, bone B; 6, bone C; 7, fixed plug; 8, support sleeve; 9, circlip;
1-1、固定孔；1-2、滑动孔。1-1, fixing hole; 1-2, sliding hole.
具体实施方式Detailed ways
现在结合附图对本发明作进一步详细的说明。这些附图均为简化的示意图，仅以示意方式说明本发明的基本结构，因此其仅显示与本发明有关的构成。The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
实施例1Example 1
外骨固定器主要包括若干纵向固定器和用于连接固定各个纵向固定器的连接支架，同时在支架的两端设置有用于与肢体部分固定的体外固定器，本产品主要对用于与骨骼连接的纵向固定器进行改良，取消原来的钢钉式固定；The external bone fixator mainly includes a number of longitudinal fixators and connecting brackets used to connect and fix each longitudinal fixator. At the same time, there are external fixators used to fix the limbs at both ends of the bracket. This product is mainly used for bone fixation. The longitudinal fixer is improved and the original steel nail fixation is cancelled;
具体如图1所示，本产品中的纵向外框为圈簧状，纵向外框内设置有骨面固定组件，骨面固定组件主要包括若干固定块1，所述固定块1之间设置有固定线缆3，所述固定块固定在固定外框2上，所述固定线缆3之间通过固定块在固定外框2上的定位，从而围成支撑框架；Specifically as shown in Figure 1, the longitudinal outer frame in this product is coil spring-shaped, and the bone surface fixation assembly is arranged inside the longitudinal outer frame. Fix the cable 3, the fixed block is fixed on the fixed outer frame 2, and the positioning of the fixed block on the fixed outer frame 2 between the fixed cables 3 forms a support frame;
其中固定块（如图4所示）包括一个用于将固定块1套接到固定外框2上的滑动孔1-2，在滑动孔1-2的内壁上设置有锁紧螺钉B，同时固定块上还设置有一个用于穿过固定线缆3的固定孔1-1，同样的在固定孔1-1的侧壁上设置有一个用于固定固定线缆3的锁紧螺钉A；Wherein the fixed block (as shown in Figure 4) includes a sliding hole 1-2 for fitting the fixed block 1 onto the fixed outer frame 2, a locking screw B is arranged on the inner wall of the sliding hole 1-2, and at the same time A fixing hole 1-1 for passing through the fixing cable 3 is also arranged on the fixing block, and a locking screw A for fixing the fixing cable 3 is also arranged on the side wall of the fixing hole 1-1;
其中固定线缆包括具有生物相容性的脂肪族聚酯材质制成的拉紧线，在拉紧线中部设置有同样为生物相容性材料的钛合金制成的强化金属线；The fixed cable includes a tension wire made of a biocompatible aliphatic polyester material, and a reinforced metal wire made of a titanium alloy that is also a biocompatible material is arranged in the middle of the tension wire;
具有生物相容性的脂肪族聚酯材质制成的拉紧线，因为其低生物排斥性，在恢复后，可以留在人体的体内，可以降低二次拆除手术的创伤程度，如果骨骼本身破坏程度不大的话，可以不进行二次拆除手术；Tensioning thread made of biocompatible aliphatic polyester material, because of its low biorepellency, can stay in the body after recovery, which can reduce the degree of trauma of the secondary removal operation, if the bone itself is destroyed If the degree is not large, a second removal operation may not be performed;
钛合金制成的强化线缆以防止拉紧过度导致的拉紧线断裂的情况，在恢复后可以直接将钛合金的强化线缆抽出，部分留在体内也不会存在太大的排异问题；The reinforced cable made of titanium alloy is used to prevent the tension wire from breaking due to excessive tension. After recovery, the reinforced cable made of titanium alloy can be pulled out directly, and part of it remains in the body without too much rejection. ;
此外，如图1、图6、图7所示，固定外框2的侧面设置有两个固定塞7，固定塞7的外壁设置有与纵向外框内壁对应的螺纹凹槽，同时在固定塞7的内部设置有一个用于安装支撑套8的通孔，在支撑套8中间设置有一个用于安放手臂或者腿部的安装孔，支撑套8一般为矽胶等透气材料制成；In addition, as shown in Figure 1, Figure 6, and Figure 7, two fixed plugs 7 are provided on the side of the fixed outer frame 2, and the outer wall of the fixed plug 7 is provided with threaded grooves corresponding to the inner wall of the longitudinal outer frame. The interior of 7 is provided with a through hole for installing the support sleeve 8, and an installation hole for placing arms or legs is provided in the middle of the support sleeve 8. The support sleeve 8 is generally made of a breathable material such as silicone;
同时固定塞7由两个半圆形的弧形块组成，在弧形块纵向方向的上下两端设置有两个环形的凹槽，弧形块之间通过两个卡簧9固定在一起；At the same time, the fixed plug 7 is composed of two semicircular arc blocks, two annular grooves are arranged at the upper and lower ends of the arc block in the longitudinal direction, and the arc blocks are fixed together by two jumpers 9;
在固定时，如图1和图2所示，图2中为单骨（骨骼A4）的固定示意图，首先根据具体情况，将固定线缆3穿入到皮下，直到从肢部的另一侧引出，随后将纵向外框套入2套入到人体的手臂，将固定块通过锁紧螺钉B固定到纵向外框上，将固定线缆3的两端拉紧并且通过锁紧螺钉A，将固定线缆3进行固定，随后设置第二对固定块上的固定线缆，直到将骨骼束缚在图2所示固定线缆所围成的中心框内，实现骨骼的固定。When fixing, as shown in Figure 1 and Figure 2, Figure 2 is a schematic diagram of the fixation of a single bone (bone A4). Then insert the longitudinal outer frame 2 into the arm of the human body, fix the fixed block to the longitudinal outer frame through the locking screw B, tighten the two ends of the fixed cable 3 and through the locking screw A, The fixing cables 3 are fixed, and then the fixing cables on the second pair of fixing blocks are set until the bones are bound in the central frame surrounded by the fixing cables shown in FIG. 2 to realize the fixing of the bones.
实施例2Example 2
如图3所示，为本发明在进行多根骨骼固定时的使用示意图；As shown in Figure 3, it is a schematic diagram of the present invention when performing multiple bone fixation;
外骨固定器主要包括若干纵向固定器和用于连接固定各个纵向固定器的连接支架，同时在支架的两端设置有用于与肢体部分固定的体外固定器，本产品主要对用于与骨骼连接的纵向固定器进行改良，取消原来的钢钉式固定；The external bone fixator mainly includes a number of longitudinal fixators and connecting brackets used to connect and fix each longitudinal fixator. At the same time, there are external fixators used to fix the limbs at both ends of the bracket. This product is mainly used for bone fixation. The longitudinal fixer is improved and the original steel nail fixation is cancelled;
具体如图1所示，本产品中的纵向固定器主要包括若干固定块1，所述固定块1之间设置有固定线缆3，所述固定块固定在固定外框2上，所述固定线缆3之间通过固定块在固定外框2上的定位，从而围成支撑框架；Specifically as shown in Figure 1, the longitudinal fixer in this product mainly includes several fixed blocks 1, and fixed cables 3 are arranged between the fixed blocks 1, and the fixed blocks are fixed on the fixed outer frame 2. The cables 3 are positioned between the fixed blocks on the fixed outer frame 2 to form a support frame;
其中固定块（如图4所示）包括一个用于将固定块1套接到固定外框2上的滑动孔1-2，在滑动孔1-2的内壁上设置有锁紧螺钉B，同时固定块上还设置有一个用于穿过固定线缆3的固定孔1-1，同样的在固定孔1-1的侧壁上设置有一个用于固定固定线缆3的锁紧螺钉A；Wherein the fixed block (as shown in Figure 4) includes a sliding hole 1-2 for fitting the fixed block 1 onto the fixed outer frame 2, a locking screw B is arranged on the inner wall of the sliding hole 1-2, and at the same time A fixing hole 1-1 for passing through the fixing cable 3 is also arranged on the fixing block, and a locking screw A for fixing the fixing cable 3 is also arranged on the side wall of the fixing hole 1-1;
其中固定线缆包括具有生物相容性的脂肪族聚酯材质制成的拉紧线，在拉紧线中部设置有同样为生物相容性材料的钛合金制成的强化金属线；The fixed cable includes a tension wire made of a biocompatible aliphatic polyester material, and a reinforced metal wire made of a titanium alloy that is also a biocompatible material is arranged in the middle of the tension wire;
首先根据具体情况，将固定线缆3穿入到皮下，直到从肢部的另一侧引出，随后将纵向外框套入2套入到人体的手臂，将固定块通过锁紧螺钉B固定到纵向外框上，将固定线缆3的两端拉紧并且通过锁紧螺钉A，将固定线缆3进行固定，随后设置第二对固定块上的固定线缆；First, according to the specific situation, the fixed cable 3 is inserted under the skin until it is drawn out from the other side of the limb, and then the longitudinal outer frame is inserted into the arm of the human body, and the fixed block is fixed to the arm through the locking screw B. On the longitudinal outer frame, tighten the two ends of the fixed cable 3 and fix the fixed cable 3 through the locking screw A, and then set the fixed cables on the second pair of fixed blocks;
图3中用骨骼B5表示小腿上的胫骨，用骨骼C6模拟小腿上的腓骨，首先通过两对固定块1以及两根固定线缆，实现骨骼C5的固定，同时通过另外两对固定块1以及另外两根固定线缆，实现骨骼C6的固定，最后可以通过一到两对固定块1和固定线缆实现两个骨骼之间的相对定位。In Fig. 3, bone B5 is used to represent the tibia on the lower leg, and bone C6 is used to simulate the fibula on the lower leg. Firstly, two pairs of fixed blocks 1 and two fixed cables are used to fix bone C5, and at the same time, the other two pairs of fixed blocks 1 and The other two fixing cables are used to fix the bone C6, and finally one or two pairs of fixing blocks 1 and fixing cables can be used to realize the relative positioning between the two bones.
实施例3Example 3
同时本发明可以将固定线缆在不同的纵向固定器的固定块之间进行交叉连接，例如进行固定的有3个纵向固定器，包括纵向固定器A、纵向固定器B、纵向固定器C，每个纵向固定器包括4个固定块，其中纵向固定器A的四个固定块分别标注为固定块AI、固定块AII、固定块AIII、固定块AIV，在交叉排布时，纵向固定器A上的固定块AI可以和纵向固定器B的固定块BII之间通过固定线缆连接，同时纵向固定器A上的固定块AII和纵向固定器C上的固定块CIV通过固定线缆连接，两个固定线缆与骨骼表面接触组成一个支撑框架。At the same time, the present invention can cross-connect the fixed cables between the fixing blocks of different longitudinal anchors, for example, there are three longitudinal anchors for fixing, including longitudinal anchor A, longitudinal anchor B, and longitudinal anchor C. Each vertical fixer includes 4 fixing blocks, wherein the four fixing blocks of longitudinal fixer A are respectively marked as fixed block AI, fixed block AII, fixed block AIII, and fixed block AIV. The fixed block AI on the vertical fixer B can be connected with the fixed block BII of the longitudinal fixer B through a fixed cable, and the fixed block AII on the longitudinal fixer A and the fixed block CIV on the longitudinal fixer C are connected through a fixed cable. A fixed cable is in contact with the surface of the bone to form a support frame.
以上述依据本发明的理想实施例为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。Inspired by the above-mentioned ideal embodiment according to the present invention, through the above-mentioned description content, relevant workers can make various changes and modifications within the scope of not departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, but must be determined according to the scope of the claims.
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| CN201610808907.XA CN106236226B (en) | 2014-10-24 | 2014-10-24 | A coil-spring external fixator adaptable to comminuted fractures |
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| CN201410578513.0A CN104323840B (en) | 2014-10-24 | A kind of coil spring external fixator | |
| CN201610808907.XA CN106236226B (en) | 2014-10-24 | 2014-10-24 | A coil-spring external fixator adaptable to comminuted fractures |
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| CN201610807146.6A Expired - Fee Related CN106388919B (en) | 2014-10-24 | 2014-10-24 | Coil spring bone external fixator capable of realizing minimally invasive surgery and its working method |
| CN201610808508.3A Withdrawn CN106308913A (en) | 2014-10-24 | 2014-10-24 | Ring-spring-shaped external fixator adaptive to comminuted fracture and working method thereof |
| CN201610808909.9A Expired - Fee Related CN106236227B (en) | 2014-10-24 | 2014-10-24 | Coil spring external fixator for minimally invasive surgery |
| CN201610808545.4A Active CN106236225B (en) | 2014-10-24 | 2014-10-24 | A kind of ring spring shape exter-nal fixer adapting to comminuted fracture |
| CN201610807543.3A Active CN106361419B (en) | 2014-10-24 | 2014-10-24 | A kind of exter-nal fixer being suitable for comminuted fracture |
| CN201610806457.0A Withdrawn CN106236224A (en) | 2014-10-24 | 2014-10-24 | Adapt to the ring spring shape exter-nal fixer of comminuted fracture |
| CN201610808907.XA Expired - Fee Related CN106236226B (en) | 2014-10-24 | 2014-10-24 | A coil-spring external fixator adaptable to comminuted fractures |
| CN201610808693.6A Expired - Fee Related CN106214236B (en) | 2014-10-24 | 2014-10-24 | A kind of ring spring shape exter-nal fixer for realizing Minimally Invasive Surgery purpose |
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| CN201610808508.3A Withdrawn CN106308913A (en) | 2014-10-24 | 2014-10-24 | Ring-spring-shaped external fixator adaptive to comminuted fracture and working method thereof |
| CN201610808909.9A Expired - Fee Related CN106236227B (en) | 2014-10-24 | 2014-10-24 | Coil spring external fixator for minimally invasive surgery |
| CN201610808545.4A Active CN106236225B (en) | 2014-10-24 | 2014-10-24 | A kind of ring spring shape exter-nal fixer adapting to comminuted fracture |
| CN201610807543.3A Active CN106361419B (en) | 2014-10-24 | 2014-10-24 | A kind of exter-nal fixer being suitable for comminuted fracture |
| CN201610806457.0A Withdrawn CN106236224A (en) | 2014-10-24 | 2014-10-24 | Adapt to the ring spring shape exter-nal fixer of comminuted fracture |
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|---|---|---|---|---|
| CN106388919B (en) * | 2014-10-24 | 2019-03-12 | 毕宝亮 | Coil spring bone external fixator capable of realizing minimally invasive surgery and its working method |
| CN108995784B (en) * | 2018-09-12 | 2019-09-20 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of deep-sea equipment with net pocket limit device |
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- 2014-10-24 CN CN201610807543.3A patent/CN106361419B/en active Active
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- 2014-10-24 CN CN201610808907.XA patent/CN106236226B/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106236227B (en) | 2019-06-14 |
| CN106308913A (en) | 2017-01-11 |
| CN106361419B (en) | 2019-07-19 |
| CN106236226A (en) | 2016-12-21 |
| CN106236227A (en) | 2016-12-21 |
| CN106236225B (en) | 2019-07-16 |
| CN106236225A (en) | 2016-12-21 |
| CN106388919B (en) | 2019-03-12 |
| CN106361419A (en) | 2017-02-01 |
| CN106214236A (en) | 2016-12-14 |
| CN106214236B (en) | 2018-11-09 |
| CN104323840A (en) | 2015-02-04 |
| CN106236224A (en) | 2016-12-21 |
| CN106388919A (en) | 2017-02-15 |
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