技术领域technical field
本发明涉及医疗器械领域，尤其涉及一种胫骨平台内柱锁定钢板。The invention relates to the field of medical devices, in particular to a tibial plateau inner column locking steel plate.
背景技术Background technique
胫腓骨骨干骨折在全身骨折中最为常见。10岁以下儿童尤为多见。其中以胫骨干单骨折最多，胫腓骨干双折次之，腓骨干单骨折最少。胫骨是连接股骨下方的支承体重的主要骨骼，腓骨是附连小腿肌肉的重要骨骼，并承担1/6的承重。胫骨中下1/3处易于骨折。胫骨上1/3骨折移位，易压迫腘动脉，造成小腿下段严重缺血坏死。胫骨中1/3骨折淤血潴留在小腿的骨筋膜室，增加室内压力造成缺血性肌挛缩。胫骨中下1/3骨折使滋养动脉断裂，易引起骨折延迟愈合。胫骨骨折大多是由于直接暴力引起，直接暴力多见为压砸、冲撞、打击致伤，骨折线为横断或粉碎型；有时两小腿在同一平面折断，软组织损伤常较严重，易造成开放性骨折。间接暴力多见为高处跌下，跑跳的扭伤或滑倒所致的骨折；骨折线常为斜型或螺旋型，胫骨与腓骨多不在同一平面骨折。现有技术中治疗胫骨骨折时通常是将固定钢板安放在胫骨前侧，容易因为前方软组织损伤坏死导致钢板外露等严重的并发症，外固定支架则增加了钉眼护理工作并给病人带来不便。Fractures of the tibiofibular diaphysis are the most common systemic fractures. It is especially common in children under 10 years of age. Among them, the single fracture of the tibial shaft is the most common, followed by the double fracture of the tibiofibular shaft, and the single fracture of the fibular shaft is the least. The tibia is the main body weight-bearing bone that connects to the lower part of the femur, and the fibula is an important bone that attaches the calf muscles and bears 1/6 of the weight. The middle and lower 1/3 of the tibia is prone to fracture. The displacement of the upper 1/3 of the tibial fracture can easily compress the popliteal artery, resulting in severe ischemic necrosis of the lower leg. In the middle 1/3 of the tibial fracture, blood stagnates in the osteofascial compartment of the calf, increasing the pressure in the compartment and causing ischemic muscle contracture. Fracture of the middle and lower third of the tibia breaks the nutrient artery, which can easily cause delayed union of the fracture. Tibial fractures are mostly caused by direct violence. Direct violence is mostly caused by crushing, impact, and blows. The fracture line is transected or comminuted; sometimes the two lower legs are broken on the same plane, and the soft tissue damage is often serious, which can easily lead to open fractures. . Indirect violence is mostly fractures caused by falls from high places, sprains caused by running and jumping, or slipping; the fracture line is often oblique or spiral, and the tibia and fibula are often fractured on different planes. In the prior art, when tibial fractures are treated, the fixed steel plate is usually placed on the front side of the tibia, which is prone to serious complications such as exposed steel plates due to damage and necrosis of the soft tissue in the front, and the external fixation bracket increases the nail hole nursing work and brings inconvenience to the patient. .
因此，有必要提供一种解决上述技术问题的胫骨平台内柱锁定钢板。Therefore, it is necessary to provide a tibial plateau inner column locking plate that solves the above technical problems.
发明内容Contents of the invention
本发明所要解决的技术问题是：提供一种可避免应力集中的胫骨平台内柱锁定钢板。The technical problem to be solved by the present invention is to provide a tibial plateau inner column locking plate that can avoid stress concentration.
为实现上述目的，本发明采用的技术方案是：一种胫骨平台内柱锁定钢板，呈T型设置，包括：长条形的钢板本体及自钢板本体的一端延伸的长条形头部，所述头部的两端分别向内折弯设置，所述钢板本体的自由末端呈圆形设置，所述钢板本体设有数个均匀排布的第一螺纹孔，所述头部设有数个均匀排布的第二螺纹孔，所述钢板本体的一侧设有数个第一凸部及与第一凸部间隔设置的数个第一凹部，所述钢板本体的另一侧设有数个第二凸部及与第二凸部间隔设置的数个第二凹部，所述数个第一凸部与数个第二凸部相对于钢板本体的纵轴线相对称，所述数个第一凹部与数个第二凹部相对于钢板本体的纵轴线相对称，所述钢板本体满足：In order to achieve the above object, the technical solution adopted by the present invention is: a tibial plateau inner column locking steel plate, which is arranged in a T shape, comprising: a long strip-shaped steel plate body and a long strip-shaped head extending from one end of the steel plate body. The two ends of the head are bent inward respectively, the free end of the steel plate body is set in a circle, the steel plate body is provided with several uniformly arranged first threaded holes, and the head is provided with several evenly arranged The second threaded hole of the cloth, one side of the steel plate body is provided with several first convex parts and several first concave parts spaced apart from the first convex part, and the other side of the steel plate body is provided with several second convex parts. part and several second concave parts arranged at intervals with the second convex part, the several first convex parts and the several second convex parts are symmetrical with respect to the longitudinal axis of the steel plate body, the several first concave parts and the several The second recess is symmetrical with respect to the longitudinal axis of the steel plate body, and the steel plate body satisfies:
关系式1：f=a+b;Relational formula 1: f=a+b;
关系式2：a=b;Relation 2: a=b;
其中，f:第一凹部与第二凹部之间的最短距离，第一凹部与第二凹部相对称；a:第一凸部离最近第一螺纹孔的最大距离；b：第二凸部离最近第一螺纹孔的最大距离；Wherein, f: the shortest distance between the first concave portion and the second concave portion, the first concave portion is symmetrical to the second concave portion; a: the maximum distance between the first convex portion and the nearest first threaded hole; b: the distance between the second convex portion and the second concave portion The maximum distance from the nearest first threaded hole;
所述头部的一侧设有数个第三凸部及与第三凸部间隔设置的数个第三凹部，所述头部的另一侧设有数个第四凸部及与第四凸部间隔设置的数个第四凹部，所述头部满足：One side of the head is provided with several third convex portions and several third concave portions spaced apart from the third convex portions, and the other side of the head is provided with several fourth convex portions and several third concave portions spaced apart from the fourth convex portions. Several fourth recesses arranged at intervals, the head satisfies:
关系式1：g=c+d;Relational formula 1: g=c+d;
关系式2：c=d;Relation 2: c=d;
其中，g:第三凹部与第四凹部之间的最短距离，第三凹部与第四凹部相对称；c:第三凸部离最近第二螺纹孔的最大距离；d：第四凸部离最近第二螺纹孔的最大距离。Wherein, g: the shortest distance between the third concave portion and the fourth concave portion, the third concave portion is symmetrical to the fourth concave portion; c: the maximum distance between the third convex portion and the nearest second threaded hole; d: the distance between the fourth convex portion and the fourth concave portion The maximum distance of the nearest second threaded hole.
优选地，在上述胫骨平台内柱锁定钢板中，所述数个第二螺纹孔的中心连线与钢板本体纵轴线之间呈85°角设置。Preferably, in the tibial plateau inner column locking plate, an angle of 85° is set between the center line of the plurality of second threaded holes and the longitudinal axis of the plate body.
优选地，在上述胫骨平台内柱锁定钢板中，所述钢板本体的两侧边呈波浪形设置，所述头部的两侧边呈波浪形设置。Preferably, in the tibial plateau inner column locking plate, the two sides of the plate body are arranged in a wave shape, and the two sides of the head are arranged in a wave shape.
优选地，在上述胫骨平台内柱锁定钢板中，所述胫骨平台内柱锁定钢板由纯钛材料制成。Preferably, in the above tibial plateau inner column locking plate, the tibial plateau inner column locking plate is made of pure titanium material.
优选地，在上述胫骨平台内柱锁定钢板中，所述胫骨平台内柱锁定钢板为重建型钢板。Preferably, in the above tibial plateau inner column locking plate, the tibial plateau inner column locking plate is a reconstruction type plate.
优选地，在上述胫骨平台内柱锁定钢板中，所述胫骨平台内柱锁定钢板还设有数个克氏针固定孔。Preferably, in the above tibial plateau inner column locking plate, the tibial plateau inner column locking plate is also provided with several Kirschner wire fixing holes.
优选地，在上述胫骨平台内柱锁定钢板中，所述第一螺纹孔及第二螺纹孔均为锥螺纹孔，所述第一螺纹孔的数量为8个，所述第二螺纹孔的数量为4个。Preferably, in the above tibial plateau inner column locking plate, the first threaded hole and the second threaded hole are taper threaded holes, the number of the first threaded hole is 8, and the number of the second threaded hole for 4.
优选地，在上述胫骨平台内柱锁定钢板中，所述胫骨平台内柱锁定钢板的总长度为113mm，每一个第一螺纹孔与其相邻的第一螺纹孔之间的孔间距为13mm,每一个第二螺纹孔与其相邻的第二螺纹孔之间的孔间距为9.5mm。Preferably, in the above tibial plateau inner column locking plate, the total length of the tibial plateau inner column locking plate is 113mm, and the hole spacing between each first threaded hole and its adjacent first threaded hole is 13mm, each The hole spacing between one second threaded hole and its adjacent second threaded hole is 9.5 mm.
本发明有益效果为：本发明通过钢板本体的两侧及头部的两侧分别设置凸部和凹部，从而利于钢板的重建，另外通过凸部与凹部的尺寸设计满足一定的关系式，从而避免应力集中，通过将胫骨平台内柱锁定钢板设计成T型，从而可使头部起到支撑胫骨的作用，更加有利于骨折病人康复。The beneficial effect of the present invention is: the present invention respectively sets up the convex portion and the concave portion on both sides of the steel plate body and the both sides of the head, thus facilitates the rebuilding of the steel plate; Stress concentration, by designing the inner column locking plate of the tibial plateau into a T shape, so that the head can play a role in supporting the tibia, which is more conducive to the rehabilitation of fracture patients.
附图说明Description of drawings
图1为本发明中胫骨平台内柱锁定钢板的结构示意图。Fig. 1 is a schematic structural view of the tibial plateau inner column locking plate of the present invention.
图2为沿图1所示A-A线的剖视结构示意图。Fig. 2 is a schematic cross-sectional structural diagram along line A-A shown in Fig. 1 .
图3为本发明中胫骨平台内柱锁定钢板另一角度的结构示意图。Fig. 3 is a structural schematic view of another angle of the tibial plateau inner column locking plate of the present invention.
图1至图3中：1钢板本体，10第一螺纹孔，11第一凸部，12第一凹部，13第二凸部，14第二凹部，2头部，20第二螺纹孔，21第三凸部，22第三凹部，23第四凸部，24第四凹部，3克氏针固定孔。Among Fig. 1 to Fig. 3: 1 steel plate body, 10 first threaded hole, 11 first convex part, 12 first concave part, 13 second convex part, 14 second concave part, 2 head, 20 second threaded hole, 21 The third convex part, 22 the third concave part, 23 the fourth convex part, 24 the fourth concave part, 3 Kirschner wire fixing holes.
f:第一凹部与对称第二凹部之间的最短距离；f: the shortest distance between the first concave portion and the symmetrical second concave portion;
a:第一凸部离最近第一螺纹孔的最大距离；a: the maximum distance between the first protrusion and the nearest first threaded hole;
b:第二凸部离最近第一螺纹孔的最大距离；b: the maximum distance between the second convex part and the nearest first threaded hole;
g:第三凹部与对称第四凹部之间的最短距离；g: the shortest distance between the third recess and the fourth symmetrical recess;
c:第三凸部离最近第二螺纹孔的最大距离；c: the maximum distance from the third convex part to the nearest second threaded hole;
d:第四凸部离最近第二螺纹孔的最大距离。d: the maximum distance from the fourth convex part to the nearest second threaded hole.
具体实施方式detailed description
为了进一步理解本发明，下面结合实施例对本发明优选实施方案进行描述，但是应当理解，这些描述只是为进一步说明本发明的特征和优点，而不是对本发明权利要求的限制。In order to further understand the present invention, the preferred embodiments of the present invention are described below in conjunction with examples, but it should be understood that these descriptions are only to further illustrate the features and advantages of the present invention, rather than limiting the claims of the present invention.
参图1至图3所示，一种胫骨平台内柱锁定钢板，呈T型设置，包括：长条形的钢板本体1及自钢板本体1的一端延伸的长条形头部2，所述头部2的两端分别向内折弯设置，所述钢板本体1的自由末端呈圆形设置，所述钢板本体1设有数个均匀排布的第一螺纹孔10，所述头部2设有数个均匀排布的第二螺纹孔20，所述钢板本体1的一侧设有数个第一凸部11及与第一凸部11间隔设置的数个第一凹部12，所述钢板本体1的另一侧设有数个第二凸部13及与第二凸部13间隔设置的数个第二凹部14，所述数个第一凸部11与数个第二凸部13相对于钢板本体的纵轴线相对称，所述数个第一凹部12与数个第二凹部14相对于钢板本体的纵轴线相对称，所述钢板本体满足：As shown in Figures 1 to 3, a tibial plateau inner column locking plate is arranged in a T shape, comprising: a long steel plate body 1 and a long strip head 2 extending from one end of the steel plate body 1, the The two ends of the head 2 are respectively bent inwardly, and the free end of the steel plate body 1 is arranged in a circular shape. The steel plate body 1 is provided with several evenly arranged first threaded holes 10, and the head 2 is provided with There are several second threaded holes 20 evenly arranged, one side of the steel plate body 1 is provided with several first convex portions 11 and several first concave portions 12 spaced apart from the first convex portions 11, the steel plate body 1 The other side is provided with several second convex portions 13 and several second concave portions 14 arranged at intervals with the second convex portion 13, and the several first convex portions 11 and the several second convex portions 13 are relatively opposite to the steel plate body. The longitudinal axis of the plurality of first recesses 12 and the plurality of second recesses 14 are symmetrical with respect to the longitudinal axis of the steel plate body, and the steel plate body satisfies:
关系式1：f=a+b;Relational formula 1: f=a+b;
关系式2：a=b;Relation 2: a=b;
其中，f:第一凹部与第二凹部之间的最短距离，第一凹部与第二凹部相对称；a:第一凸部离最近第一螺纹孔的最大距离；b：第二凸部离最近第一螺纹孔的最大距离；该尺寸关系式的设计主要是为了避免应力集中，如果将f设计成f＜a+b，那当医生对钢板进行折弯重建时，第一凹部12与第二凹部14之间很容易因为应力集中而发生断裂，同样，当a>b时，重建时第二凸部13容易发生断裂，反之，当a<b时，重建时第一凸部11容易发生断裂。Wherein, f: the shortest distance between the first concave portion and the second concave portion, the first concave portion is symmetrical to the second concave portion; a: the maximum distance between the first convex portion and the nearest first threaded hole; b: the distance between the second convex portion and the second concave portion The maximum distance of the nearest first threaded hole; the design of this size relationship is mainly to avoid stress concentration, if f is designed to be f<a+b, then when the doctor bends and reconstructs the steel plate, the first concave part 12 and the second The fracture between the two concave parts 14 is easy to occur due to stress concentration. Similarly, when a>b, the second convex part 13 is prone to fracture during reconstruction. Conversely, when a<b, the first convex part 11 is prone to fracture during reconstruction. fracture.
所述头部2的一侧设有数个第三凸部21及与第三凸部21间隔设置的数个第三凹部22，所述头部2的另一侧设有数个第四凸部23及与第四凸部23间隔设置的数个第四凹部24，所述头部2满足：One side of the head 2 is provided with several third protrusions 21 and several third recesses 22 spaced apart from the third protrusions 21, and the other side of the head 2 is provided with several fourth protrusions 23 And several fourth concave parts 24 arranged at intervals with the fourth convex part 23, the head 2 satisfies:
关系式1：g=c+d;Relational formula 1: g=c+d;
关系式2：c=d;Relation 2: c=d;
其中，g:第三凹部22与第四凹部24之间的最短距离，第三凹部22与第四凹部24相对称；c:第三凸部21离最近第二螺纹孔20的最大距离；d：第四凸部23离最近第二螺纹孔20的最大距离。该尺寸设计的原理同上，同样是为了避免应力集中。所述数个第二螺纹孔20的中心连线与钢板本体纵轴线之间呈85°角设置，所述钢板本体1的两侧边呈波浪形设置，所述头部2的两侧边呈波浪形设置，所述胫骨平台内柱锁定钢板由纯钛材料制成，所述胫骨平台内柱锁定钢板为重建型钢板。在手术过程中，由于每个人的骨骼大小均存在一定差异，因此一块固定结构的钢板不可能适合所有人，因此需要钢板具有重建性，也就是说，当钢板安装于人体后，还需要根据每个人具体的骨骼形状来对钢板进行折弯微调，本发明钢板本体两侧及头部两侧波浪形的结构设计相比于现有技术中的两侧直线设计，其折弯角度更加容易掌控，医生操作起来更加方便，大大提高了钢板的重建性能。Wherein, g: the shortest distance between the third concave portion 22 and the fourth concave portion 24, the third concave portion 22 is symmetrical to the fourth concave portion 24; c: the third convex portion 21 is away from the maximum distance of the second threaded hole 20; d : the maximum distance between the fourth convex portion 23 and the nearest second threaded hole 20 . The principle of this size design is the same as above, also in order to avoid stress concentration. The central connection line of the several second threaded holes 20 is set at an angle of 85° with the longitudinal axis of the steel plate body, the two sides of the steel plate body 1 are set in waves, and the two sides of the head 2 are set in a wave shape. The tibial plateau inner column locking plate is made of pure titanium, and the tibial plateau inner column locking plate is a reconstruction steel plate. During the operation, due to the differences in bone size of each person, a steel plate with a fixed structure cannot be suitable for everyone. Therefore, the steel plate needs to be reconstructive. The steel plate is bent and fine-tuned according to the specific bone shape of the individual. Compared with the straight line design on both sides of the prior art, the wavy structural design on both sides of the steel plate body and the head of the present invention makes the bending angle easier to control. It is more convenient for doctors to operate, and the reconstruction performance of the plate is greatly improved.
所述胫骨平台内柱锁定钢板还设有数个克氏针固定孔3，该数个克氏针固定孔3用于安装克氏针进行预固定，因为安装时如果将锁定螺钉直接打入骨骼内，一旦打入的位置错误，将无法重新打入，从而会导致手术失败，而采用克氏针进行预固定恰好解决了这一问题。所述第一螺纹孔10及第二螺纹孔20均为锥螺纹孔，锥螺纹的设置使得锁定螺钉安装后不易退钉，所述第一螺纹孔10的数量为8个，所述第二螺纹孔20的数量为4个。所述胫骨平台内柱锁定钢板的总长度为113mm，每一个第一螺纹孔与其相邻的第一螺纹孔之间的孔间距为13mm,每一个第二螺纹孔与其相邻的第二螺纹孔之间的孔间距为9.5mm。The tibial plateau inner column locking plate is also provided with several Kirschner wire fixing holes 3, and these several Kirschner wire fixing holes 3 are used for installing Kirschner wires for pre-fixation, because if the locking screws are directly driven into the bone during installation , Once the wrong position is inserted, it will not be possible to re-enter, which will lead to the failure of the operation, and the use of Kirschner wires for pre-fixation just solves this problem. The first threaded hole 10 and the second threaded hole 20 are taper threaded holes, and the setting of the taper thread makes it difficult for the locking screw to retreat after installation. The number of the first threaded holes 10 is 8, and the second threaded hole The number of holes 20 is four. The total length of the tibial plateau inner column locking plate is 113 mm, the hole spacing between each first threaded hole and its adjacent first threaded hole is 13 mm, and the distance between each second threaded hole and its adjacent second threaded hole is 13 mm. The spacing between the holes is 9.5mm.
本发明有益效果为：本发明通过钢板本体的两侧及头部的两侧分别设置凸部和凹部，从而利于钢板的重建，另外通过凸部与凹部的尺寸设计满足一定的关系式，从而避免应力集中，通过将胫骨平台内柱锁定钢板设计成T型，从而可使头部起到支撑胫骨的作用，更加有利于骨折病人康复。The beneficial effect of the present invention is that: the present invention sets up the convex part and the concave part respectively through the two sides of the steel plate body and the both sides of the head, thus facilitates the rebuilding of the steel plate, and satisfies a certain relational formula through the dimensional design of the convex part and the concave part, thereby avoiding Stress concentration, by designing the inner column locking plate of the tibial plateau into a T shape, so that the head can play a role in supporting the tibia, which is more conducive to the rehabilitation of fracture patients.
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实例的限制，上述实例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内，本发明要求保护范围由所附的权利要求书及其等同物界定。The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned examples. What are described in the above-mentioned examples and descriptions are only to illustrate the principles of the present invention. The present invention also has various changes without departing from the spirit and scope of the present invention. These changes and improvements all fall within the scope of the claimed invention, and the scope of protection of the present invention is defined by the appended claims and their equivalents.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363295.9ACN104095676B (en) | 2014-07-28 | 2014-07-28 | A kind of tibial plateau inner prop locking steel plate |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363295.9ACN104095676B (en) | 2014-07-28 | 2014-07-28 | A kind of tibial plateau inner prop locking steel plate |
| Publication Number | Publication Date |
|---|---|
| CN104095676A CN104095676A (en) | 2014-10-15 |
| CN104095676Btrue CN104095676B (en) | 2016-06-15 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410363295.9AActiveCN104095676B (en) | 2014-07-28 | 2014-07-28 | A kind of tibial plateau inner prop locking steel plate |
| Country | Link |
|---|---|
| CN (1) | CN104095676B (en) |
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| GB201520176D0 (en) | 2015-11-16 | 2015-12-30 | Isis Innovation | Proximal tibial osteotomy |
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| CN203953788U (en)* | 2014-07-28 | 2014-11-26 | 苏州市康力骨科器械有限公司 | A kind of tibial plateau inner prop locking steel plate |
| Publication number | Publication date |
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| CN104095676A (en) | 2014-10-15 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder | Address after:215616 Luyuan West Ring Road (Nanyuan East Road), Tangqiao Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after:SUZHOU KANGLI ORTHOPAEDICS INSTRUMENT Co.,Ltd. Address before:215600 Zhangjiagang, Suzhou, Jiangsu, Jinjiang Fengzhen Patentee before:SUZHOU KANGLI ORTHOPAEDICS INSTRUMENT Co.,Ltd. | |
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | Denomination of invention:A locking plate for internal column of tibial plateau Granted publication date:20160615 Pledgee:China Construction Bank Zhangjiagang branch Pledgor:SUZHOU KANGLI ORTHOPAEDICS INSTRUMENT Co.,Ltd. Registration number:Y2025980029760 |