CN112006766A

Movatterモバイル変換

Info

Publication number: CN112006766A
Application number: CN202010900252.5A
Authority: CN
Inventors: 李峰; 刘明岩; 刘幸
Original assignee: Shanghai Sanyou Medical Co ltd
Current assignee: Shanghai Sanyou Medical Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-12-01

Abstract

Translated fromChinese

本发明提供一种钩棒连接组件以及内固定系统，包括：骨钩，骨钩包括钩本体和钩部承接件，钩部承接件的顶面为向上凸出的球面，钩部承接件的顶面上设有连接杆，连接杆上设有杆体承接部；连接棒的其中一端上设有安装接头，安装接头上设有安装孔，安装接头的顶面为向上凸出的球面，安装接头的底面上设有安装部球窝；限位件的底面上设有限位部球窝，所述限位件上设有限位连接部；连接杆穿过安装孔，杆体承接部与限位连接部连接。本发明骨钩与连接棒之间具有较高的自由度，能够治疗不同体征的病患，能够有效固定椎板，操作简单，提高手术效率。

The invention provides a hook rod connecting assembly and an internal fixation system, comprising: a bone hook, the bone hook includes a hook body and a hook part, the top surface of the hook part is a spherical surface protruding upward, and the top of the hook part There is a connecting rod on the surface, and the connecting rod is provided with a rod body receiving part; one end of the connecting rod is provided with a mounting joint, the mounting joint is provided with a mounting hole, the top surface of the mounting joint is a spherical surface protruding upward, and the The bottom surface is provided with a mounting part ball socket; the bottom surface of the limiting piece is provided with a limiting part ball socket, and the limiting piece is provided with a limiting connecting part; the connecting rod passes through the mounting hole, and the rod body receiving part is connected with the limiting connecting part . The bone hook of the invention has a high degree of freedom between the connecting rod, can treat patients with different signs, can effectively fix the lamina, is simple in operation, and improves the operation efficiency.

Description

Translated fromChinese

钩棒连接组件以及内固定系统Hook rod connection assembly and internal fixation system

技术领域technical field

本发明涉及医疗器械技术领域，特别是涉及一种钩棒连接组件以及内固定系统。The invention relates to the technical field of medical devices, in particular to a hook rod connecting assembly and an internal fixation system.

背景技术Background technique

目前，临床上在治疗脊柱退变、创伤、肿瘤及矫形手术中常用的钉-棒-钩内固定系统，主要由椎弓根螺钉、骨钩、连接棒结构组成。现有的钉-棒-钩内固定系统中，骨钩与连接棒连接后，骨钩与连接棒的相对位置无法调节，这就无法满足各种体征患者的需要。At present, the commonly used nail-rod-hook internal fixation system in the treatment of spinal degeneration, trauma, tumor and orthopedic surgery is mainly composed of pedicle screws, bone hooks, and connecting rod structures. In the existing nail-rod-hook internal fixation system, after the bone hook is connected with the connecting rod, the relative position of the bone hook and the connecting rod cannot be adjusted, which cannot meet the needs of patients with various signs.

发明内容SUMMARY OF THE INVENTION

鉴于以上所述现有技术的缺点，本发明解决的技术问题在于提供一种钩棒连接组件以及内固定系统。In view of the above-mentioned shortcomings of the prior art, the technical problem solved by the present invention is to provide a hook rod connection assembly and an internal fixation system.

为实现上述目的及其他相关目的，本发明提供一种钩棒连接组件，包括：In order to achieve the above purpose and other related purposes, the present invention provides a hook rod connection assembly, comprising:

骨钩，所述骨钩包括钩本体和设置在所述钩本体的顶面上的钩部承接件，所述钩部承接件的顶面为向上凸出的球面，所述钩部承接件的顶面上设有连接杆，所述连接杆上设有杆体承接部；A bone hook, the bone hook includes a hook body and a hook part receiving part arranged on the top surface of the hook part, the top surface of the hook part receiving part is a spherical surface protruding upward, and the hook part receiving part has a A connecting rod is provided on the top surface, and a rod body receiving portion is provided on the connecting rod;

连接棒，所述连接棒的其中一端上设有安装接头，所述安装接头的顶面上设有安装孔，所述安装孔贯通至所述安装接头的底面，所述安装孔的中轴线与所述连接棒的中轴线垂直；所述安装接头的顶面为向上凸出的球面，所述安装接头的底面上设有供所述钩部承接件的顶部置入的安装部球窝；所述安装接头的顶面的中轴线与所述安装部球窝的中轴线共线；A connecting rod, one end of the connecting rod is provided with an installation joint, the top surface of the installation joint is provided with an installation hole, the installation hole penetrates to the bottom surface of the installation joint, and the central axis of the installation hole is connected to the bottom surface of the installation joint. The central axis of the connecting rod is vertical; the top surface of the installation joint is a spherical surface protruding upward, and the bottom surface of the installation joint is provided with a ball socket of the installation part for the top of the hook part to be inserted into; The central axis of the top surface of the mounting joint is collinear with the central axis of the ball socket of the mounting portion;

限位件，所述限位件的底面上设有供所述安装接头的顶部置入的限位部球窝，所述限位件上设有限位连接部；A limiter, the bottom surface of the limiter is provided with a limiter ball socket for the top of the installation joint to be placed in, and a limiter connecting part is arranged on the limiter;

所述连接杆穿过所述安装孔，所述杆体承接部与所述限位连接部连接。The connecting rod passes through the mounting hole, and the rod body receiving portion is connected with the limiting connecting portion.

优选地，所述限位连接部为设置于所述限位件上的内螺纹孔；所述杆体承接部为设置在所述连接杆上的外螺纹部。Preferably, the limit connecting portion is an internal threaded hole provided on the limiting member; the rod body receiving portion is an external threaded portion provided on the connecting rod.

优选地，所述限位部球窝的直径与所述安装接头的顶面的直径相等。Preferably, the diameter of the ball socket of the limiting portion is equal to the diameter of the top surface of the mounting joint.

优选地，所述安装部球窝的直径与所述钩部承接件的顶面的直径相等。Preferably, the diameter of the ball socket of the mounting portion is equal to the diameter of the top surface of the hook portion receiving member.

优选地，所述限位件包括底部支撑件和设置于所述底部支撑件上方的连接头，所述连接头的外侧面的尺寸小于所述底部支撑件的外侧面尺寸。Preferably, the limiting member includes a bottom support member and a connection head disposed above the bottom support member, and the size of the outer side of the connection head is smaller than the size of the outer side of the bottom support member.

优选地，所述的钩棒连接组件，还包括：夹持钳，所述夹持钳包括两个活动连接的夹持柄，每个所述夹持柄上设有凸起部；所述钩本体上设有两个相对设置的凹陷部，每个所述凹陷部供所述凸起部插入。Preferably, the hook rod connection assembly further includes: clamping pliers, the clamping pliers include two movably connected clamping handles, each of the clamping handles is provided with a protrusion; the hook The body is provided with two oppositely arranged concave parts, and each of the concave parts is for the insertion of the protruding part.

优选地，所述的钩棒连接组件，还包括：锁紧扳手，所述锁紧扳手的头端设有内孔，所述内孔为六边形结构；所述安装接头的顶部的外侧面为六角形结构；所述内孔供所述安装接头的顶部插入。Preferably, the hook rod connection assembly further comprises: a locking wrench, the head end of the locking wrench is provided with an inner hole, and the inner hole is a hexagonal structure; the outer side of the top of the installation joint It is a hexagonal structure; the inner hole is for the top of the mounting joint to be inserted.

本发明还涉及一种内固定系统，包括：螺钉结构和所述的钩棒连接组件；The invention also relates to an internal fixation system, comprising: a screw structure and the hook rod connecting assembly;

所述螺钉结构包括：钉座和椎弓根螺钉；The screw structure includes: a screw seat and a pedicle screw;

所述钉座的顶部设有安装槽，所述安装槽从所述钉座的顶部向下凹陷并沿径向贯穿所述钉座，所述安装槽的内侧面上设有锁紧螺纹部，所述钉座的底面上设有与所述安装槽连通的通孔；The top of the nail base is provided with an installation groove, the installation groove is recessed downward from the top of the nail base and penetrates the nail base in a radial direction, and a locking thread portion is provided on the inner side of the installation groove, The bottom surface of the nail base is provided with a through hole communicating with the installation groove;

所述椎弓根螺钉包括螺钉杆和设置于所述螺钉杆上端的螺钉头部，所述螺钉杆穿过所述通孔，所述螺钉头部处于所述安装槽内；The pedicle screw includes a screw rod and a screw head disposed on the upper end of the screw rod, the screw rod passes through the through hole, and the screw head is located in the installation groove;

所述连接棒的远离所述安装接头的一端设置于所述安装槽中。One end of the connecting rod away from the installation joint is arranged in the installation groove.

如上所述，本发明的钩棒连接组件以及内固定系统，具有以下有益效果：As described above, the hook rod connecting assembly and the internal fixation system of the present invention have the following beneficial effects:

本发明的钩棒连接组件中，连接棒的一端设有安装接头，骨钩、连接棒和限位件由下到上依次设置，骨钩的连接杆穿过安装接头的安装孔，连接杆的杆体承接部与限位件的限位连接部连接；安装接头的顶部置入于限位件的底面上的限位部球窝中，钩部承接件的顶部置入于安装接头的底面上的安装部球窝中；则连接棒设置安装接头的一端与骨钩能够实现相对转动，则骨钩与连接棒之间具有较高的自由度，利用骨钩与连接棒之间的自由度能够来治疗不同体征的病患，能够有效固定椎板，操作简单，提高手术效率。In the hook rod connecting assembly of the present invention, one end of the connecting rod is provided with a mounting joint, the bone hook, the connecting rod and the limiter are arranged in sequence from bottom to top, the connecting rod of the bone hook passes through the mounting hole of the mounting joint, and the The rod body receiving part is connected with the limit connecting part of the limit piece; the top of the installation joint is placed in the ball socket of the limit part on the bottom surface of the limit piece, and the top of the hook part is placed in the bottom surface of the installation joint. In the ball socket of the mounting part; then the end of the connecting rod with the mounting joint and the bone hook can rotate relative to each other, so the bone hook and the connecting rod have a high degree of freedom, and the degree of freedom between the bone hook and the connecting rod can be used to Treating patients with different signs, the lamina can be effectively fixed, the operation is simple, and the operation efficiency is improved.

附图说明Description of drawings

图1显示为本实施例的内固定系统安装时的立体结构示意图。FIG. 1 is a schematic three-dimensional structure diagram of the internal fixation system of the present embodiment when it is installed.

图2显示为本实施例的内固定系统的立体结构示意图。FIG. 2 is a schematic three-dimensional structure diagram of the internal fixation system of the present embodiment.

图3显示为本实施例的内固定系统的剖面结构示意图。FIG. 3 is a schematic cross-sectional view of the internal fixation system of the present embodiment.

图4显示为本实施例的钩棒连接组件的骨钩的立体结构示意图。FIG. 4 is a schematic three-dimensional structural diagram of the bone hook of the hook rod connecting assembly of the present embodiment.

图5显示为本实施例的钩棒连接组件的连接棒的顶面的立体结构示意图。FIG. 5 is a schematic three-dimensional structure diagram of the top surface of the connecting rod of the hook rod connecting assembly of the present embodiment.

图6显示为本实施例的钩棒连接组件的连接棒的底面的立体结构示意图。FIG. 6 is a schematic three-dimensional structure diagram of the bottom surface of the connecting rod of the hook rod connecting assembly of the present embodiment.

图7显示为本实施例的钩棒连接组件的限位件的底面的立体结构示意图。FIG. 7 is a schematic three-dimensional structural diagram of the bottom surface of the stopper of the hook rod connecting assembly of the present embodiment.

图8显示为本实施例的内固定系统的螺钉结构的立体结构示意图。FIG. 8 is a schematic three-dimensional structural diagram of the screw structure of the internal fixation system of the present embodiment.

图9显示为本实施例的锁紧扳手的立体结构示意图。FIG. 9 is a schematic three-dimensional structure diagram of the locking wrench of this embodiment.

图10显示为本实施例的夹持钳的立体结构示意图。FIG. 10 is a schematic three-dimensional structure diagram of the clamping forceps of this embodiment.

附图标号说明Description of reference numerals

100 骨钩100 Bone Hooks

110 钩本体110 Hook body

111 凹陷部111 Recess

120 钩部承接件120 Hook Adapter

121 部承接件的顶面121 Top Surface of Receivers

130 连接杆130 connecting rod

131 杆体承接部131 rod body receiving part

132 铆焊凸缘132 Riveted flange

200 连接棒200 connecting rod

210 安装接头210 Mounting Connector

211 安装孔211 Mounting holes

212 安装接头的顶面212 Mounting the top surface of the connector

213 安装部球窝213 Mounting ball socket

300 限位件300 stopper

301 底部支撑件301 Bottom support

302 连接头302 connector

310 限位部球窝310 Limit ball socket

320 限位连接部320 Limit connection

400 夹持钳400 clamping pliers

410 夹持柄410 Grip handle

411 凸起部411 Protrusion

412 主柄部412 main handle

413 延伸柄部413 Extension handle

500 锁紧扳手500 lock wrench

510 内孔510 inner hole

610 钉座610 Nail Holder

611 安装槽611 Mounting slot

612 锁紧螺纹部612 Lock thread

613 通孔613 through hole

620 椎弓根螺钉620 Pedicle Screws

621 螺钉杆621 screw rod

622 螺钉头部622 screw head

具体实施方式Detailed ways

以下由特定的具体实施例说明本发明的实施方式，熟悉此技术的人士可由本说明书所揭露的内容轻易地了解本发明的其他优点及功效。The embodiments of the present invention are described below by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

请参阅附图。须知，本说明书所附图式所绘示的结构、比例、大小等，均仅用以配合说明书所揭示的内容，以供熟悉此技术的人士了解与阅读，并非用以限定本发明可实施的限定条件，故不具技术上的实质意义，任何结构的修饰、比例关系的改变或大小的调整，在不影响本发明所能产生的功效及所能达成的目的下，均应仍落在本发明所揭示的技术内容得能涵盖的范围内。同时，本说明书中所引用的如“上”、“下”、“左”、“右”、“中间”及“一”等的用语，亦仅为便于叙述的明了，而非用以限定本发明可实施的范围，其相对关系的改变或调整，在无实质变更技术内容下，当亦视为本发明可实施的范畴。Please see attached image. It should be noted that the structures, proportions, sizes, etc. shown in the drawings in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with the technology, and are not used to limit the implementation of the present invention. Restricted conditions, it does not have technical substantive significance, any structural modification, proportional relationship change or size adjustment, without affecting the effect that the present invention can produce and the purpose that can be achieved, should still fall within the present invention. The disclosed technical content must be within the scope of coverage. At the same time, the terms such as "up", "down", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and clarity, and are not used to limit this specification. The implementable scope of the invention, and the change or adjustment of the relative relationship thereof, shall also be regarded as the implementable scope of the present invention without substantially changing the technical content.

如图1至图10所示，本实施例的钩棒连接组件，包括：As shown in FIG. 1 to FIG. 10 , the hook rod connection assembly of this embodiment includes:

骨钩100，骨钩100包括钩本体110和设置在钩本体110的顶面上的钩部承接件120，钩部承接件120的顶面121为向上凸出的球面，钩部承接件120的顶面121上设有连接杆130，连接杆130上设有杆体承接部131；Thebone hook 100 includes ahook body 110 and ahook receiving member 120 arranged on the top surface of thehook body 110. Thetop surface 121 of thehook receiving member 120 is an upwardly protruding spherical surface. A connectingrod 130 is provided on thetop surface 121, and a rodbody receiving portion 131 is provided on the connectingrod 130;

连接棒200，连接棒200的其中一端上设有安装接头210，安装接头210的顶面212上设有安装孔211，安装孔211贯通至安装接头210的底面，安装孔211的中轴线与连接棒200的中轴线垂直；安装接头210的顶面212为向上凸出的球面，安装接头210的底面上设有供钩部承接件120的顶部置入的安装部球窝213；安装接头210的顶面212的中轴线与安装部球窝213的中轴线共线；The connectingrod 200, one end of the connectingrod 200 is provided with a mounting joint 210, thetop surface 212 of the mounting joint 210 is provided with a mountinghole 211, the mountinghole 211 penetrates to the bottom surface of the mounting joint 210, and the central axis of the mountinghole 211 is connected to the The central axis of therod 200 is vertical; thetop surface 212 of the mounting joint 210 is a spherical surface that protrudes upward, and the bottom surface of the mounting joint 210 is provided with a mountingpart ball socket 213 for the top of thehook receiving part 120 to be inserted; The central axis of thetop surface 212 is collinear with the central axis of theball socket 213 of the mounting portion;

限位件300，限位件300的底面上设有供安装接头210的顶部置入的限位部球窝310，限位件300上设有限位连接部320；The limitingmember 300, the bottom surface of the limitingmember 300 is provided with a limitingportion ball socket 310 for the top of the mounting joint 210 to be placed in, and the limitingmember 300 is provided with a limiting connectingportion 320;

连接杆130穿过安装孔211，杆体承接部131与限位连接部320连接。The connectingrod 130 passes through the mountinghole 211 , and the rodbody receiving portion 131 is connected with the limiting connectingportion 320 .

本发明的钩棒连接组件中，连接棒200的一端设有安装接头210，骨钩100、连接棒200和限位件300由下到上依次设置，骨钩100的连接杆130穿过安装接头210的安装孔211，连接杆130的杆体承接部131与限位件300的限位连接部320连接；安装接头210的顶部置入于限位件300的底面上的限位部球窝310中，钩部承接件120的顶部置入于安装接头210的底面上的安装部球窝213中；则连接棒200设置安装接头210的一端与骨钩100能够实现相对转动，则骨钩100与连接棒200之间具有较高的自由度，利用骨钩100与连接棒200之间的自由度能够来治疗不同体征的病患，能够有效固定椎板，操作简单，提高手术效率。In the hook rod connecting assembly of the present invention, one end of the connectingrod 200 is provided with a mounting joint 210, thebone hook 100, the connectingrod 200 and thelimiter 300 are arranged in order from bottom to top, and the connectingrod 130 of thebone hook 100 passes through the mounting joint The mountinghole 211 of 210, the rodbody receiving portion 131 of the connectingrod 130 is connected with the limiting connectingportion 320 of the limitingmember 300; the top of the mounting joint 210 is placed in the limitingportion ball socket 310 on the bottom surface of the limitingmember 300 , the top of thehook part 120 is placed in the installationpart ball socket 213 on the bottom surface of theinstallation joint 210; then the connectingrod 200 is provided with one end of theinstallation joint 210 and thebone hook 100 can rotate relative to thebone hook 100, then thebone hook 100 is connected to Therods 200 have a high degree of freedom, and the degree of freedom between thebone hook 100 and the connectingrod 200 can be used to treat patients with different signs, the lamina can be effectively fixed, the operation is simple, and the operation efficiency is improved.

安装接头210的顶部与限位部球窝310之间为球面接触的结构，钩部承接件120的顶部与安装部球窝213之间也是球面接触的结构，安装接头210的顶面212的中轴线与安装部球窝213的中轴线共线，则骨钩100能够绕着安装部球窝213的中轴线转动；限位件300与连接杆130连接，且限位件300与安装接头210接触，则限位件300能够限制安装接头210的轴向移动。The top of the mounting joint 210 and theball socket 310 of the limiting portion are in spherical contact, and the top of thehook portion 120 and theball socket 213 of the mounting portion are also in spherical contact. The middle of thetop surface 212 of the mounting joint 210 If the axis is collinear with the central axis of theball socket 213 of the mounting portion, thebone hook 100 can rotate around the central axis of theball socket 213 of the mounting portion; , the limitingmember 300 can limit the axial movement of the mounting joint 210 .

限位连接部320为设置于限位件300上的内螺纹孔；杆体承接部131为设置在连接杆130上的外螺纹部。内螺纹孔与外螺纹部相适配，便于将限位连接部320和杆体承接部131稳定地连接。限位件300锁紧后，能够限制安装接头210的轴向移动。Thelimit connecting portion 320 is an internal threaded hole provided on the limitingmember 300 ; the rodbody receiving portion 131 is an external threaded portion provided on the connectingrod 130 . The inner threaded hole is matched with the outer threaded portion, which facilitates the stable connection of the limiting connectingportion 320 and the rodbody receiving portion 131 . After the limitingmember 300 is locked, the axial movement of the mounting joint 210 can be limited.

限位部球窝310的直径与安装接头210的顶面212的直径相等。安装部球窝213的直径与钩部承接件120的顶面121的直径相等。该结构有利于限位件300锁紧后，限位件300与骨钩100一起绕着安装部球窝213的中轴线转动。The diameter of the limitingportion ball socket 310 is equal to the diameter of thetop surface 212 of the mounting joint 210 . The diameter of the mountingportion ball socket 213 is equal to the diameter of thetop surface 121 of the hookportion receiving member 120 . This structure facilitates that after the limitingmember 300 is locked, the limitingmember 300 and thebone hook 100 rotate together around the central axis of theball socket 213 of the mounting portion.

限位件300包括底部支撑件301和设置于底部支撑件301上方的连接头302，连接头302的外侧面的尺寸小于底部支撑件301的外侧面尺寸。该结构便于限位件300的安装，且使得限位件300稳定支撑安装接头210。The limitingmember 300 includes abottom support member 301 and a connectinghead 302 disposed above thebottom support member 301 . The size of the outer side of the connectinghead 302 is smaller than that of thebottom support member 301 . This structure facilitates the installation of the limitingmember 300 and enables the limitingmember 300 to stably support theinstallation joint 210 .

钩棒连接组件，还包括：夹持钳400，夹持钳400包括两个活动连接的夹持柄410，每个夹持柄410上设有凸起部411；钩本体110上设有两个相对设置的凹陷部111，每个凹陷部111供凸起部411插入。凹陷部111与凸起部411相互适配。夹持钳400的夹持柄410凸起部411能够嵌入于骨钩100对应的凹陷部111中，夹持钳400能够稳定地夹持骨钩100。The hook rod connection assembly further includes: clampingpliers 400, the clampingpliers 400 includes two movably connected clamping handles 410, each clamping handle 410 is provided with a raisedportion 411; thehook body 110 is provided with two Oppositely disposedconcave portions 111 , eachconcave portion 111 is for insertion of the protrudingportion 411 . Theconcave portion 111 and theconvex portion 411 are adapted to each other. The protrudingportion 411 of the clamping handle 410 of the clampingforceps 400 can be embedded in the correspondingconcave portion 111 of thebone hook 100 , and the clampingforceps 400 can stably clamp thebone hook 100 .

每个夹持柄410包括主柄部412和与主柄部412连接的延伸柄部413，主柄部412与延伸柄部413形成的夹角为钝角。夹持柄410的结构能够避免对手术视野的遮挡。延伸柄部413上设置凸起部411。Each clamping handle 410 includes amain handle portion 412 and anextension handle portion 413 connected with themain handle portion 412 , and the included angle formed by themain handle portion 412 and theextension handle portion 413 is an obtuse angle. The structure of the clamping handle 410 can avoid blocking the surgical field of view. A raisedportion 411 is provided on theextension handle portion 413 .

钩棒连接组件，还包括：锁紧扳手500，锁紧扳手500的头端设有内孔510，内孔510为六边形结构；限位件300的顶部的外侧面为六角形结构；内孔510供安装接头210的顶部插入。内孔510的结构与限位件300的顶部的结构相适配。锁紧扳手500的结构便于限位件300的安装。The hook rod connection assembly further includes: a lockingwrench 500, the head end of the lockingwrench 500 is provided with aninner hole 510, and theinner hole 510 is of a hexagonal structure; the outer side of the top of the limitingmember 300 is of a hexagonal structure;Holes 510 are for insertion of the top of the mounting joint 210 . The structure of theinner hole 510 is adapted to the structure of the top of thestopper 300 . The structure of the lockingwrench 500 facilitates the installation of the limitingmember 300 .

本实施例中，限位件300与骨钩100连接后，骨钩100的连接杆130的顶端的上设置铆焊凸缘132，铆焊凸缘132使得限位件300向上从连接杆130移出的路径被铆死。铆焊凸缘132的设置阻挡限位件300从骨钩100的连接杆130的顶端移出，则限位件300不能被拆除，以避免限位件300在术中出现脱落的情况。In this embodiment, after the limitingmember 300 is connected with thebone hook 100 , ariveting flange 132 is provided on the top of the connectingrod 130 of thebone hook 100 , and theriveting flange 132 makes the limitingmember 300 move upward from the connectingrod 130 . The path is riveted. Therivet flange 132 is provided to prevent thestopper 300 from moving out from the top of the connectingrod 130 of thebone hook 100, so thestopper 300 cannot be removed, so as to avoid thestopper 300 from falling off during the operation.

本实施例的内固定系统，包括：螺钉结构和钩棒连接组件；The internal fixation system of this embodiment includes: a screw structure and a hook rod connection assembly;

螺钉结构包括：钉座610和椎弓根螺钉620；The screw structure includes: ascrew seat 610 and apedicle screw 620;

钉座610的顶部设有安装槽611，安装槽611从钉座610的顶部向下凹陷并沿径向贯穿钉座610，安装槽611的内侧面上设有锁紧螺纹部612，钉座610的底面上设有与安装槽611连通的通孔613；The top of thenail base 610 is provided with aninstallation groove 611 , theinstallation groove 611 is recessed downward from the top of thenail base 610 and penetrates thenail base 610 in a radial direction. The inner surface of theinstallation groove 611 is provided with a lockingthread portion 612 , and thenail base 610 There is a throughhole 613 communicating with the mountinggroove 611 on the bottom surface of the device;

椎弓根螺钉620包括螺钉杆621和设置于螺钉杆621上端的螺钉头部622，螺钉杆621穿过通孔613，螺钉头部622处于安装槽611内；Thepedicle screw 620 includes ascrew shaft 621 and ascrew head 622 disposed on the upper end of thescrew shaft 621, thescrew shaft 621 passes through the throughhole 613, and thescrew head 622 is located in theinstallation groove 611;

连接棒200的远离安装接头210的一端设置于安装槽611中。One end of the connectingrod 200 away from the mounting joint 210 is disposed in the mountinggroove 611 .

手术时，先打好所需的椎弓根螺钉620，再直接用夹持钳400持住骨钩100，骨钩100钩住患者的椎板，把连接棒200放入钉座610的安装槽611内，安装与椎弓根螺钉620配套的螺塞锁住钛棒，最后用锁紧扳手500锁紧骨钩100上的限位件300，即可完成其中一侧的内固定系统的安装，再以同样步骤安装对侧的内固定系统，即可进入手术的后续收尾阶段。During the operation, the requiredpedicle screw 620 is first driven, and then thebone hook 100 is directly held by the clampingforceps 400. Thebone hook 100 hooks the patient's vertebral plate, and the connectingrod 200 is put into the installation slot of thescrew base 610. In 611, install the screw plug matching thepedicle screw 620 to lock the titanium rod, and finally use the lockingwrench 500 to lock thestopper 300 on thebone hook 100, and then the installation of the internal fixation system on one side can be completed. Then install the contralateral internal fixation system in the same steps, and you can enter the subsequent finishing stage of the operation.

综上，本发明有效克服了现有技术中的种种缺点而具高度产业利用价值。In conclusion, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

上述实施例仅例示性说明本发明的原理及其功效，而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下，对上述实施例进行修饰或改变。因此，举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变，仍应由本发明的权利要求所涵盖。The above-mentioned embodiments merely illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can make modifications or changes to the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A hook rod connection assembly, comprising:

the bone hook (100) comprises a hook body (110) and a hook part bearing piece (120) arranged on the top surface of the hook body (110), the top surface (121) of the hook part bearing piece (120) is a spherical surface protruding upwards, a connecting rod (130) is arranged on the top surface (121) of the hook part bearing piece (120), and a rod body bearing part (131) is arranged on the connecting rod (130);

the connecting rod (200), wherein one end of the connecting rod (200) is provided with an installation joint (210), the top surface (212) of the installation joint (210) is provided with an installation hole (211), the installation hole (211) penetrates through the bottom surface of the installation joint (210), and the central axis of the installation hole (211) is perpendicular to the central axis of the connecting rod (200); the top surface (212) of the mounting joint (210) is a spherical surface protruding upwards, and the bottom surface of the mounting joint (210) is provided with a mounting part ball socket (213) for placing the top part of the hook part bearing piece (120); the central axis of the top surface (212) of the mounting joint (210) is collinear with the central axis of the mounting socket (213);

the bottom surface of the limiting piece (300) is provided with a limiting part ball socket (310) for the top of the mounting joint (210) to be embedded into, and the limiting piece (300) is provided with a limiting connecting part (320);

the connecting rod (130) penetrates through the mounting hole (211), and the rod body bearing part (131) is connected with the limiting connecting part (320).

2. The hook bar connection assembly of claim 1, wherein: the limiting connecting part (320) is an internal threaded hole arranged on the limiting part (300); the rod body bearing part (131) is an external thread part arranged on the connecting rod (130).

3. The hook bar connection assembly of claim 1, wherein: the diameter of the limiting part ball socket (310) is equal to that of the top surface (212) of the mounting joint (210).

4. The hook bar connection assembly of claim 1, wherein: the diameter of the mounting portion socket (213) is equal to the diameter of the top surface (121) of the hook receiving member (120).

5. The hook bar connection assembly of claim 1, wherein: the locating part (300) comprises a bottom support part (301) and a connector (302) arranged above the bottom support part (301), and the size of the outer side face of the connector (302) is smaller than that of the outer side face of the bottom support part (301).

6. A hook and rod connection assembly according to any one of claims 1 to 5, further comprising: the clamping forceps (400) comprise two clamping handles (410) which are movably connected, and each clamping handle (410) is provided with a convex part (411); the hook body (110) is provided with two opposite concave parts (111), and each concave part (111) is used for the insertion of the convex part (411).

7. The hook bar connection assembly of claim 6, further comprising: the locking wrench (500), the head end of the locking wrench (500) is provided with an inner hole (510), and the inner hole (510) is of a hexagonal structure; the outer side surface of the top of the mounting joint (210) is of a hexagonal structure;

the inner bore (510) is for insertion of the top of the installation joint (210).

8. An internal fixation system, comprising: a screw construction and hook and rod connection assembly according to any one of claims 1 to 7;

the screw structure includes: a nail seat (610) and a pedicle screw (620);

the top of the nail seat (610) is provided with a mounting groove (611), the mounting groove (611) is recessed downwards from the top of the nail seat (610) and penetrates through the nail seat (610) along the radial direction, the inner side surface of the mounting groove (611) is provided with a locking threaded part (612), and the bottom surface of the nail seat (610) is provided with a through hole (613) communicated with the mounting groove (611);

the pedicle screw (620) comprises a screw rod (621) and a screw head (622) arranged at the upper end of the screw rod (621), the screw rod (621) passes through the through hole (613), and the screw head (622) is positioned in the mounting groove (611);

one end of the connecting rod (200) far away from the installation joint (210) is arranged in the installation groove (611).