CN104352274B - Tibia Double tabletop fracture rear locking steel plate - Google Patents
Tibia Double tabletop fracture rear locking steel plate Download PDFInfo
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- CN104352274B CN104352274B CN201410684546.3A CN201410684546A CN104352274B CN 104352274 B CN104352274 B CN 104352274B CN 201410684546 A CN201410684546 A CN 201410684546A CN 104352274 B CN104352274 B CN 104352274B
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8033—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers
- A61B17/8038—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers the additional component being inserted in the screw head
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
本发明属于医疗器械领域，涉及一种骨折用的锁定钢板，具体说是一种胫骨双平台骨折后方锁定钢板，包括板体，所述板体包括平台锁定部、位于所述平台锁定部下方并且一端与所述平台锁定部固定连接的胫骨体锁定部和与所述胫骨体锁定部的另一端相连的锁定加强部，所述平台锁定部、胫骨体锁定部以及锁定加强部上均设有锁定孔，所述锁定孔内壁上设有内螺纹，所述板体通过设有与所述内螺纹相适配的外螺纹的螺钉与胫骨进行锁定。本发明能很好地支撑胫骨双平台，而且与胫骨后侧的骨形配合，贴附更牢固，并借助锁定加强部加强支撑效果，整体支撑锁定效果更好，一块整体的板体，操作起来也更方便。
The invention belongs to the field of medical devices, and relates to a locking steel plate for fractures, in particular to a rear locking steel plate for tibial double plateau fractures, including a plate body, the plate body includes a platform locking part, is located below the platform locking part and One end of the tibial body locking part fixedly connected with the platform locking part and the locking reinforcement part connected with the other end of the tibial body locking part, the platform locking part, the tibial body locking part and the locking reinforcement part are all provided with locking The inner wall of the locking hole is provided with an internal thread, and the plate body is locked with the tibia through a screw provided with an external thread matching the internal thread. The present invention can well support the double platform of the tibia, and cooperate with the bone shape of the back side of the tibia, so that the attachment is more firm, and the supporting effect is strengthened by means of the locking reinforcement part, the overall supporting and locking effect is better, and a whole plate body is easy to operate. Also more convenient.
Description
技术领域technical field
本发明属于医疗器械领域，涉及一种骨折用的锁定钢板，具体说是一种胫骨双平台骨折后方锁定钢板。The invention belongs to the field of medical devices, and relates to a locking steel plate for fractures, in particular to a rear locking steel plate for tibial double-plateau fractures.
背景技术Background technique
胫骨平台骨折是膝关节创伤中最常见的骨折之一，关节内骨折，要求达到解剖复位，坚强固定；目前临床实践中，越来越多的临床采用通过膝关节后侧入路复位胫骨平台后柱骨折，并采用后侧支撑锁定板固定的方法，同时，各式各样的支撑锁定板也应运而生；如专利号为CN202505471的中国发明专利公开的一种胫骨平台后外侧锁定钢板，包括钢板体，钢板体由胫骨平台外侧锁定板和与胫骨平台外侧锁定板连成一体的内侧板组成；胫骨平台外侧锁定板上设有锁定孔，内侧板上设有螺钉孔；钢板符合人体解剖学，能实现对胫骨平台后外侧骨折块的坚强固定，有利于患者早期行功能锻炼，有利于膝关节功能恢复，从而达到减少术后并发症的效果。但是对于双平台均有骨折、塌陷的情况，该钢板不能达到很好的固定效果，而目前对于双平台骨折是采用两块普通钢板左右分开锁定，操作麻烦，锁定效果也不理想。Tibial plateau fractures are one of the most common fractures in knee joint trauma. Intra-articular fractures require anatomical reduction and strong fixation. column fracture, and adopt the method of posterior support locking plate fixation, at the same time, a variety of support locking plates also emerge as the times require; for example, a posterolateral tibial plateau locking plate disclosed in the Chinese invention patent No. CN202505471, including Steel plate body, the steel plate body is composed of the lateral locking plate of the tibial plateau and the medial plate integrated with the lateral locking plate of the tibial plateau; there are locking holes on the lateral locking plate of the tibial plateau, and screw holes are provided on the medial plate; the steel plate conforms to human anatomy , can achieve strong fixation of the posterolateral tibial plateau fracture block, which is conducive to the early functional exercise of patients and the recovery of knee joint function, so as to achieve the effect of reducing postoperative complications. However, for the fracture and collapse of both platforms, the steel plate cannot achieve a good fixation effect. At present, two common steel plates are used to lock the fracture of the double platform separately. The operation is troublesome and the locking effect is not ideal.
发明内容Contents of the invention
本发明的目的是提供一种胫骨双平台骨折后方锁定钢板，可以对胫骨双平台的骨折进行支撑固定，一体化的钢板结构，使用简单方便。The object of the present invention is to provide a rear locking plate for tibial double plateau fracture, which can support and fix the fracture of the tibial double plateau. The integrated steel plate structure is simple and convenient to use.
为了达到上述目的，本发明采用如下的技术方案：胫骨双平台骨折后方锁定钢板，包括板体，所述板体包括平台锁定部、位于所述平台锁定部下方并且一端与所述平台锁定部固定连接的胫骨体锁定部和与所述胫骨体锁定部的另一端相连的锁定加强部，所述平台锁定部、胫骨体锁定部以及锁定加强部上均设有锁定孔，所述锁定孔内壁上设有内螺纹，所述板体通过设有与所述内螺纹相适配的外螺纹的螺钉与胫骨进行锁定。In order to achieve the above object, the present invention adopts the following technical solution: the rear locking plate of tibial double platform fracture includes a plate body, the plate body includes a platform locking part, is located below the platform locking part and has one end fixed to the platform locking part The connected tibial body locking part and the locking reinforcing part connected with the other end of the tibial body locking part, the platform locking part, the tibial body locking part and the locking reinforcing part are all provided with locking holes, and the inner wall of the locking hole is An internal thread is provided, and the plate body is locked with the tibia through a screw provided with an external thread matching the internal thread.
该技术方案得到的钢板从胫骨后侧固定支撑，平台锁定部贴附平台，胫骨体锁定部竖直固定在胫骨体上，锁定加强部水平局部包住胫骨体固定，三部结合，支撑强度大，固定效果好，一体化的板体，方便操作。The steel plate obtained by this technical solution is fixed and supported from the back of the tibia, the locking part of the platform is attached to the platform, the locking part of the tibial body is vertically fixed on the tibial body, and the locking and reinforcing part partially wraps the tibial body horizontally for fixation. The three parts are combined to provide high support strength. , Good fixing effect, integrated plate body, easy to operate.
作为优选，所述平台锁定部与所述胫骨体锁定部的连接处设有过渡连接部，所述过渡连接部呈内凹的弧形结构，与胫骨后侧平台下的凹处贴合，加大支撑效果。As a preference, a transition connection is provided at the connection between the platform locking part and the tibial body locking part, and the transition connection is in a concave arc-shaped structure, fitting with the depression under the tibial posterior platform, and adding Great support effect.
作为优选，所述过渡连接部设有至少一个所述锁定孔。Preferably, the transition connection part is provided with at least one locking hole.
作为优选，所述锁定加强部的内壁内凹形成弧形的胫骨容纳区。Preferably, the inner wall of the locking reinforcement part is recessed to form an arc-shaped tibial receiving area.
作为优选，所述锁定加强部上的锁定孔分布在所述锁定加强部的竖直轴线的两侧。Preferably, the locking holes on the locking reinforcing part are distributed on both sides of the vertical axis of the locking reinforcing part.
作为优选，所述锁定加强部的锁定孔分为设置在在所述锁定加强部的水平轴线的上方的上锁定孔和设置在所述锁定加强部的水平轴线的下方的下锁定孔，两侧的螺钉锁进胫骨内，不会相互干扰。Preferably, the locking hole of the locking reinforcing part is divided into an upper locking hole arranged above the horizontal axis of the locking reinforcing part and a lower locking hole arranged below the horizontal axis of the locking reinforcing part. The screws lock into the tibia without interfering with each other.
作为优选，所述上锁定孔与所述下锁定孔之间在竖直方向上的最大距离大于所述锁定孔的内径。Preferably, the maximum vertical distance between the upper locking hole and the lower locking hole is larger than the inner diameter of the locking hole.
作为优选，所述上锁定孔和所述下锁定孔各为1个。Preferably, there is one upper locking hole and one lower locking hole.
作为优选，所述平台锁定部和所述锁定加强部的折角处均呈圆弧形。Preferably, the corners of the platform locking part and the locking reinforcing part are arc-shaped.
作为优选，所述平台锁定部的两端部的宽度大于所述平台锁定部其它地方宽度。Preferably, the width of both ends of the platform locking portion is greater than that of other parts of the platform locking portion.
通过实施上述技术方案，本发明具有如下的有益效果：本发明能很好地支撑胫骨双平台，而且与胫骨后侧的骨形配合，贴附更牢固，并借助锁定加强部加强支撑效果，整体支撑锁定效果更好，一块整体的板体，操作起来也更方便。By implementing the above-mentioned technical solution, the present invention has the following beneficial effects: the present invention can well support the tibial double plateau, and cooperate with the bone shape on the back side of the tibia, and the attachment is more firm, and the supporting effect is strengthened by means of the locking reinforcing part, and the overall The support locking effect is better, and a whole board body is more convenient to operate.
附图说明Description of drawings
附图1为本发明一实施例的结构示意图；Accompanying drawing 1 is the structural representation of an embodiment of the present invention;
附图2为附图1中A-A剖视图。Accompanying drawing 2 is A-A sectional view among accompanying drawing 1.
具体实施方式detailed description
下面结合附图和具体实施例，对本发明作进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
如附图1、2所示的胫骨双平台骨折后方锁定钢板，包括一体化的板体，水平的平台锁定部11和位于平台锁定部11下方竖直的胫骨体锁定部12以及位于胫骨体锁定部12另一端的锁定加强部13，平台锁定部11与胫骨体锁定部12的连接处设有过渡连接部14，平台锁定部11的两端部的宽度大于平台锁定部11其它地方宽度，使得两端部与平台的接触面积大，支托效果更好。过渡连接部14呈内凹的弧形结构，该结构与胫骨平台与胫骨体过渡处相贴合，加强支撑效果；各部上均设有锁定孔2，过渡部14也至少有一个，孔径大小可以按市场需要制定；平台锁定部11和锁定加强部13的折角处均呈圆弧形，锁定孔2内壁上设有内螺纹，板体通过设有与内螺纹相适配的外螺纹的螺钉与胫骨进行锁定，达到支撑效果。锁定加强部13的内壁内凹形成弧形的可与胫骨体贴合的胫骨容纳区。锁定加强部13上的锁定孔2分布在锁定加强部13的竖直轴线的两侧，分为设置在锁定加强部13的水平轴线的上方的1个上锁定孔21和水平轴线的下方的1个下锁定孔22，上、下锁定孔之间在竖直方向上的最大距离大于锁定孔2的内径，是为了防止螺钉打进骨头内发生接触。As shown in accompanying drawings 1 and 2, the rear locking plate for tibial double-plateau fractures includes an integrated plate body, a horizontal platform locking part 11, a vertical tibial body locking part 12 below the platform locking part 11 and a tibial body locking part. The locking reinforcing part 13 at the other end of the part 12, the junction of the platform locking part 11 and the tibial body locking part 12 is provided with a transition connection part 14, and the width of both ends of the platform locking part 11 is greater than the width of other parts of the platform locking part 11, so that The contact area between the two ends and the platform is large, and the supporting effect is better. The transition connecting part 14 is a concave arc-shaped structure, which fits the tibial plateau and the tibial body transition to strengthen the supporting effect; each part is provided with a locking hole 2, and the transition part 14 also has at least one, and the size of the hole can be According to the needs of the market; the knuckles of the platform locking part 11 and the locking reinforcement part 13 are arc-shaped, the inner wall of the locking hole 2 is provided with internal threads, and the plate body is connected with the screws provided with external threads that are compatible with the internal threads. The tibia is locked for support. The inner wall of the locking reinforcement part 13 is recessed to form an arc-shaped tibial accommodating area that can fit the tibial body. The locking hole 2 on the locking reinforcing part 13 is distributed on both sides of the vertical axis of the locking reinforcing part 13, and is divided into an upper locking hole 21 arranged above the horizontal axis of the locking reinforcing part 13 and an upper locking hole 21 below the horizontal axis. A lower locking hole 22, the maximum distance between the upper and lower locking holes in the vertical direction is greater than the inner diameter of the locking hole 2, in order to prevent the screw from driving into the bone and contacting.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410684546.3A CN104352274B (en) | 2014-11-25 | 2014-11-25 | Tibia Double tabletop fracture rear locking steel plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410684546.3A CN104352274B (en) | 2014-11-25 | 2014-11-25 | Tibia Double tabletop fracture rear locking steel plate |
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| Publication Number | Publication Date |
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| CN104352274A CN104352274A (en) | 2015-02-18 |
| CN104352274B true CN104352274B (en) | 2017-03-01 |
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| CN201410684546.3A Expired - Fee Related CN104352274B (en) | 2014-11-25 | 2014-11-25 | Tibia Double tabletop fracture rear locking steel plate |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106580411B (en) * | 2016-12-15 | 2019-07-16 | 中国人民解放军第四军医大学 | A tibial external fixation device |
| CN110870786B (en) * | 2018-09-04 | 2024-12-31 | 苏州微创关节医疗科技有限公司 | Tibial osteotomy block locking device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130023938A1 (en) * | 2011-07-20 | 2013-01-24 | Acumed Llc | Bone fixation with overlapping bone plates |
| US7635365B2 (en) * | 2003-08-28 | 2009-12-22 | Ellis Thomas J | Bone plates |
| CN201602868U (en) * | 2010-01-23 | 2010-10-13 | 枣庄矿业集团滕南医院 | tibial plateau fixation plate |
| CN101856262B (en) * | 2010-07-20 | 2011-06-29 | 孙海钰 | Proximal Tibial Plateau Medial Posterior Anatomical Supported Locking Plate |
| CN204260817U (en) * | 2014-11-25 | 2015-04-15 | 陈学强 | Tibia Double tabletop fracture rear locking steel plate |
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