CN105662569A - 一种组合界面钉 - Google Patents

一种组合界面钉 Download PDF

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CN105662569A
CN105662569A CN201610095041.2A CN201610095041A CN105662569A CN 105662569 A CN105662569 A CN 105662569A CN 201610095041 A CN201610095041 A CN 201610095041A CN 105662569 A CN105662569 A CN 105662569A
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side wing
screw
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combined interface
interface according
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申轩
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Yunyi Beijing Medical Devices Co ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/683—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • 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
    • A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • 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
    • A61B17/809—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with bone-penetrating elements, e.g. blades or prongs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/8605—Heads, i.e. proximal ends projecting from bone
    • A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
    • A61B17/8615—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver at the central region of the screw head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/8625—Shanks, i.e. parts contacting bone tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/8685—Pins or screws or threaded wires; nuts therefor comprising multiple separate parts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B2017/564—Methods for bone or joint treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B2017/8655—Pins or screws or threaded wires; nuts therefor with special features for locking in the bone

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
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Abstract

本发明提供一种组合界面钉，该组合界面钉的结构较为稳定和可靠。本发明一种组合界面钉的技术方案包括：螺钉和位于所述螺钉外部的侧翼板；所述侧翼板与部分所述螺钉连接，所述侧翼板与所述螺钉相接触的内表面设有侧翼板螺纹，所述侧翼板螺纹与螺钉螺纹相匹配，所述侧翼板的外表面为非光滑平面；螺钉端部凸出于所述侧翼板。

Description

一种组合界面钉
技术领域
本发明实施例涉及医疗器械技术领域，尤其涉及一种组合界面钉。
背景技术
前十字韧带，又称前交叉韧带，位于膝关节内，连接股骨与胫骨，主要作用是限制胫骨向前过度移位，它与膝关节内其他结构共同作用，来维持膝关节的稳定性，是维持膝关节稳定的主要结构之一，使人体能完成各种复杂和高难度的下肢动作。
前交叉韧带撕裂引起膝关节不稳，治疗不当将引起膝关节功能严重障碍。由于损伤暴力较大，常合并其他主要结构损伤，诊断、处理不当将会延误治疗，同时由于前交叉韧带的力学功能日益得到重视，以及损伤后造成的功能性不稳定，造成的膝关节不能满足日常生活和运动的需要，并可导致膝关节一系列后遗病变，因此应该行手术治疗，重建韧带及其功能。目前现有临床医疗技术通常采用界面螺钉将重建韧带固定在股骨端和胫骨端，但是由于人体膝关节韧带在运动中所承受的力较强，在术后恢复的过程中界面螺钉容易滑脱，失去固定作用，给患者的正常恢复和相关医疗措施的顺利实施造成不利影响。
因此，如何避免界面钉滑脱，使得界面钉更加稳定可靠是本领域技术人员目前需要解决的重要技术问题。
发明内容
为了克服上述缺陷，本发明提供一种组合界面钉，该组合界面钉的结构较为稳定和可靠。
本发明一种组合界面钉的技术方案包括：
螺钉和位于所述螺钉外部的侧翼板；
所述侧翼板与部分所述螺钉连接，所述侧翼板与所述螺钉相接触的内表面设有侧翼板螺纹，所述侧翼板螺纹与螺钉螺纹相匹配，所述侧翼板的外表面为非光滑平面；
螺钉端部凸出于所述侧翼板。
优选的，在上述组合界面钉的技术方案中，所述螺钉端部为锥形，所述锥形沿着从螺钉尾部至所述螺钉端部的方向面积逐渐减小。
优选的，在上述组合界面钉的技术方案中，所述螺钉尾部设有开孔。
优选的，在上述组合界面钉的技术方案中，所述开孔为梅花孔。
优选的，在上述组合界面钉的技术方案中，所述侧翼板的外表面设有若干个凸点。
优选的，在上述组合界面钉的技术方案中，所述凸点为圆形。
优选的，在上述组合界面钉的技术方案中，所述凸点沿所述侧翼板的外表面横向和纵向设置。
优选的，在上述组合界面钉的技术方案中，所述凸点沿所述侧翼板的外表面横向等间隔设置，使得两两横向设置的所述凸点的间隔相等。
优选的，在上述组合界面钉的技术方案中，所述凸点沿所述侧翼板的外表面纵向等间隔设置，使得两两纵向设置的所述凸点的间隔相等。
优选的，在上述组合界面钉的技术方案中，所述侧翼板为月牙形。
采用上述技术方案的有益效果是：
由于本实施例中的组合界面钉包括螺钉和位于螺钉外部的侧翼板，侧翼板与部分螺钉连接，侧翼板未完全覆盖螺钉，侧翼板与螺钉相接触的内表面设有侧翼板螺纹，侧翼板螺纹与螺钉螺纹相匹配，使得侧翼板与螺钉螺纹连接，侧翼板的外表面为非光滑平面；螺钉端部凸出于侧翼板，由于侧翼板的外表面为非光滑平面，当侧翼板与与肌腱移植物接触时增大了两者之间的摩擦力，使肌腱移植物固定更牢固，防止了界面钉的滑脱，使得界面钉更加稳定可靠。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的组合界面钉的俯视图；
图2为本发明实施例提供的组合界面钉的主视图；
图3为本发明实施例提供的组合界面钉的侧翼板的结构示意图；
图4为本发明实施例提供的组合界面钉的侧翼板的俯视图；
图5为本发明实施例提供的组合界面钉的侧翼板的左视图；
图6为本发明实施例提供的组合界面钉的侧翼板的右视图。
具体实施方式
本发明提供一种组合界面钉，该组合界面钉的结构较为稳定和可靠。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1至图6，本发明实施例一种组合界面钉的技术方案包括：
螺钉1和位于螺钉1外部的侧翼板2；
侧翼板2与部分螺钉1连接，侧翼板2与螺钉1相接触的内表面设有侧翼板螺纹，侧翼板螺纹与螺钉螺纹相匹配，侧翼板2的外表面为非光滑平面；
螺钉端部凸出于侧翼板2。
采用上述技术方案的有益效果是：
由于本实施例中的组合界面钉包括螺钉1和位于螺钉1外部的侧翼板2，侧翼板2与部分螺钉1连接，侧翼板2未完全覆盖螺钉1，侧翼板2与螺钉1相接触的内表面设有侧翼板螺纹，侧翼板螺纹与螺钉螺纹相匹配，使得侧翼板2与螺钉螺纹连接，侧翼板2的外表面为非光滑平面；螺钉端部凸出于侧翼板2，由于侧翼板2的外表面为非光滑平面，当侧翼板2与与肌腱移植物接触时增大了两者之间的摩擦力，使肌腱移植物固定更牢固，防止了界面钉的滑脱，使得界面钉更加稳定可靠。
作为一种组合界面钉的改进，在上述组合界面钉的技术方案中，螺钉端部为锥形，锥形沿着从螺钉尾部至螺钉端部的方向面积逐渐减小，通过将螺钉前端设为为锥形，本实施例中的组合界面钉进入骨隧道时阻力较小，方便组合界面钉进入骨隧道。
作为一种组合界面钉的改进，在上述组合界面钉的技术方案中，螺钉尾部设有开孔3；进一步的，开孔3为梅花孔，该梅花孔与配套改锥相配合。
作为一种组合界面钉的改进，在上述组合界面钉的技术方案中，侧翼板2的外表面设有若干个凸点4；进一步的，凸点4可以为圆形，凸点4可以沿侧翼板2的外表面横向和纵向设置，即凸点4在侧翼板2的外表面上呈矩阵排列，进一步的，凸点4沿侧翼板2的外表面横向等间隔设置，使得两两横向设置的凸点的间隔相等，凸点4沿侧翼板2的外表面纵向等间隔设置，使得两两纵向设置的凸点的间隔相等。
作为一种组合界面钉的改进，在上述组合界面钉的技术方案中，侧翼板2为月牙形，即侧翼板2的两侧向中间凸出。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (10)

1.一种组合界面钉，其特征在于，包括：螺钉和位于所述螺钉外部的侧翼板；
所述侧翼板与部分所述螺钉连接，所述侧翼板与所述螺钉相接触的内表面设有侧翼板螺纹，所述侧翼板螺纹与螺钉螺纹相匹配，所述侧翼板的外表面为非光滑平面；
螺钉端部凸出于所述侧翼板。
2.根据权利要求1所述的组合界面钉，其特征在于，所述螺钉端部为锥形，所述锥形沿着从螺钉尾部至所述螺钉端部的方向面积逐渐减小。
3.根据权利要求2所述的组合界面钉，其特征在于，所述螺钉尾部设有开孔。
4.根据权利要求3所述的组合界面钉，其特征在于，所述开孔为梅花孔。
5.根据权利要求1至4中任一项所述的组合界面钉，其特征在于，所述侧翼板的外表面设有若干个凸点。
6.根据权利要求5所述的组合界面钉，其特征在于，所述凸点为圆形。
7.根据权利要求6所述的组合界面钉，其特征在于，所述凸点沿所述侧翼板的外表面横向和纵向设置。
8.根据权利要求7所述的组合界面钉，其特征在于，所述凸点沿所述侧翼板的外表面横向等间隔设置，使得两两横向设置的所述凸点的间隔相等。
9.根据权利要求8所述的组合界面钉，其特征在于，所述凸点沿所述侧翼板的外表面纵向等间隔设置，使得两两纵向设置的所述凸点的间隔相等。
10.根据权利要求1所述的组合界面钉，其特征在于，所述侧翼板为月牙形。
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