WO2013189128A1 - 骨固定弹片 - Google Patents

骨固定弹片 Download PDF

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Publication number
WO2013189128A1
WO2013189128A1 PCT/CN2012/080329 CN2012080329W WO2013189128A1 WO 2013189128 A1 WO2013189128 A1 WO 2013189128A1 CN 2012080329 W CN2012080329 W CN 2012080329W WO 2013189128 A1 WO2013189128 A1 WO 2013189128A1
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WO
WIPO (PCT)
Prior art keywords
bone
main body
elastic
fixing
elastic piece
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Application number
PCT/CN2012/080329
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English (en)
French (fr)
Inventor
梁伟
Original Assignee
Liang Wei
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liang Wei filed Critical Liang Wei
Publication of WO2013189128A1 publication Critical patent/WO2013189128A1/zh

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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
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices

Definitions

  • the utility model relates to a medical device, in particular to a bone fixing elastic piece for bone fixation.
  • a fracture is a disease in which the continuity and integrity of the bone is partially or completely destroyed due to trauma or pathology. Repositioning, fixation, functional exercise, etc. are the main fracture treatment steps.
  • bones are usually corrected or fixed by means of various implantable instruments to promote normal healing and functional recovery of the fracture site.
  • the steel plate shrapnel is a commonly used internal fixation device. At present, the steel plate shrapnel on the market is in the form of a curved sheet or a straight plate. When used in a fixed manner, the steel plate shrapnel is hammered into the bone to fix it. Under the action of the steel plate shrapnel, a certain pressure is maintained between the folded ends to promote fracture healing.
  • the utility model solves the above disadvantages of the prior art, and provides a high fixing strength, is not easy to loosely shift, and is safe and reliable. Bone fixation shrapnel to meet the needs of internal fixation surgery.
  • the bone fixing elastic piece comprises a main body, and the front end of the main body is bifurcated to form two elastic pieces having a tendency to bounce outward, and the two elastic pieces are connected by the connecting block.
  • the joint block is provided with a frangible portion that breaks when the end of the body is struck.
  • the end of the elastic piece at the front end of the column is hammered into the pre-opened channel, and the frangible portion on the connecting block is naturally disconnected during the process of hammering, the elastic piece Naturally open to both sides, and then gradually fixed in the two directions of the bone with the hammer, so that the bone can be subjected to pressure in two or more opposite directions, which can significantly improve the fixation strength of the fracture site and avoid It can be cut, loosened, displaced, etc.
  • it is more conducive to further improve the firmness of the fixation and promote the healing of bones for early activities and even weight bearing.
  • the side of the connecting block is hourglass-shaped, and the neck of the hourglass is the frangible portion.
  • the frangible portion of the hourglass neck shape is thinner or narrower than other portions of the joint block, so that the break strength of the frangible portion is lower than other portions of the joint block, thereby When the end portion of the main body is struck, the frangible portion on the connecting block can be naturally disconnected, which is advantageous for the two elastic pieces to be separated in time and inserted and fixed in different directions during the internal fixation.
  • the undivided portion of the main body is provided with a through-hole pinhole.
  • the guide pin can be guided by the guide pin to guide the bone fixation elastic piece for fixation, thereby improving the precision of the fixation operation, thereby improving the success rate of the operation.
  • the opposite surface of the two elastic pieces is provided with a symmetric needle groove, and the needle hole communicates with the needle groove. This facilitates the close fitting of the bone-fixing elastic piece with the guide pin when it is mounted and fixed, which is advantageous for guiding fixation and improving the operation precision.
  • the utility model has the beneficial effects that the structure of the utility model is reasonable and simple, and two elastic pieces having a tendency to bounce outward are formed by the front end of the bone fixing elastic piece body, and the two elastic pieces are connected by the connecting block.
  • the connecting block is provided with a frangible portion which is broken when the end of the main body is struck, so that the utility model can apply the pressure to the bone in two or more opposite directions when applied to the internal fixation operation. It can obviously improve the connection fixation effect between fracture sections, which is beneficial to accelerate bone healing. Help patients recover quickly and reduce the pain of patients.
  • the utility model has novel structure, good fixing effect and low cost in application, and is worth promoting.
  • Figure 1 is a schematic view of the structure of the present invention
  • FIG. 2 is a schematic structural view of the utility model in a right view
  • Figure 3 is a schematic cross-sectional view of the utility model
  • Figure 4 is a schematic view showing the structure of the utility model when used
  • Figure 5 is a schematic enlarged view of the portion A of Figure 1.
  • the bone-fixing elastic piece comprises a main body 1, and the front end of the main body 1 is bifurcated to form two elastic pieces 2 having a tendency to bounce outwardly.
  • the two elastic pieces 2 are connected together by the connecting block 3, and the connecting piece 3 is provided at The frangible portion 3-1 which is broken when the end of the main body 1 is struck.
  • the side of the connecting block 3 is hourglass-shaped, and the neck of the hourglass is the frangible portion 3-1.
  • the undivided portion of the main body 1 is provided with a through-hole pinhole 4.
  • the opposite surface of the two elastic pieces 2 is provided with a symmetric needle groove 5, and the needle hole 4 communicates with the needle groove 5.
  • the main body 1 and the elastic piece 2 in the utility model Made of elastic alloy steel or other metals that have no repellent effect on the human body and have good elastic properties.
  • the connecting block 3 in the utility model may be a solder joint or a bonding block or other connecting structure for connecting the elastic piece 2, and the connecting structure is provided with a fragile structure which is broken when the end of the main body 1 is struck by a tap. .
  • the frangible portion 3-1 of the present invention may also be an indentation or a concave surface that facilitates fracture or other structure that may break when the end of the body 1 is struck.
  • the bony passage is established in advance, and the bone is fixed according to the guide needle or the Kirschner wire limit, and then the bone is fixedly inserted, so that the joint block 3 is torn off, and the elastic piece 2 is naturally opened to both sides.
  • the elastic pieces 2 are inserted in different directions, so that the fracture part is subjected to pressure in multiple directions, which can obviously improve the fixing strength of the fracture part, avoid cutting, loosening, displacement, etc., and cooperate with bone cement.
  • the curable bone graft material is more beneficial to further improve the firmness of the fixation and promote the healing of the bone for early activity and even weight bearing.

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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

一种骨固定弹片，包括主体（1），该主体（1）前端分叉，形成两个具有向外侧弹开趋势的弹性片（2），两个弹性片（2）通过衔接块（3）连接在一起，该衔接块（3）设有在主体（1）的端部受敲击时会断裂的易断部（3-1）。在应用于内固定手术时，该骨固定弹片能使骨骼在两个或多个相反方向上都能受到压力作用，能够明显提高骨折断面间的连接固定效果，有利于加快骨骼愈合，有助于患者早日康复，减少病人痛苦，同时该骨固定弹片结构简单、成本低。

Description

骨固定弹片 技术领域
本实用新型涉及一种医疗器械，尤其是一种用于骨固定用的骨固定弹片。
背景技术
骨折是指由于外伤或病理等原因致使骨的连续性及完整性被部分或完全破坏的一种疾病。复位、固定、功能锻炼等是主要的骨折治疗步骤。在骨科手术中，通常会借助于各种不同的植入器械来矫正或固定骨骼，促使骨折部位能正常愈合并恢复功能。钢板弹片是一种常用内固定器械，目前市面上的钢板弹片呈弯曲片状或直板状，固定使用时，将钢板弹片锤击至骨质内进行固定。在钢板弹片作用下使折端间保持一定压力，可促进骨折愈合。但 对于骨质疏松的患者，由于松质骨内骨小梁变薄、稀疏甚至消失，采用钢板弹片固定容易出现对局部固定强度不足，固定后易出现切割、松动、移位等状况，造成固定手术失败。因此，急需出现一种固定强度较高、不易松动移位且安全可靠的骨固定弹片以满足现状需求。
技术问题
本实用新型要解决上述现有技术的缺点，提供一种 固定强度较高、不易松动移位且安全可靠的 骨固定弹片，满足内固定手术的需求。
技术解决方案
本实用新型解决其技术问题采用的技术方案：这种骨固定弹片，包括主体，该主体前端分叉，形成两个具有向外侧弹开趋势的弹性片，两弹性片通过衔接块连接在一起，该衔接块设有在主体端部受敲击时会断裂的易断部。这样，做内固定手术时，将柱体前端的弹性片端部对准预先开设好的通道锤击进去即可，在锤击固定的过程中，衔接块上的易断部自然断开，弹性片自然向两侧张开，再逐步随着锤击固定在骨质内两个方向上，能使骨骼在两个或多个相反方向上都能受到压力作用，可明显提高骨折部位固定强度，避免出现切割、松动、移位等现象，配合骨水泥或可固化植骨材料使用时更有利于进一步提高固定牢固强度，促进骨骼愈合生长，以便早期活动甚至负重。
进一步，衔接块的侧面呈沙漏状，沙漏的颈部即为所述的易断部。这样，沙漏颈部形状的易断部要细于或窄于衔接块的其他部位，使得该易断部的断裂强度低于衔接块的其他部位，从而使 在主体端部受敲击时衔接块上的该易断部能自然断开，有利于在做内固定术时两弹性片能及时分离开并向不同方向进行插接固定。
更进一步，主体未分叉部分设有贯通的导针孔。这样，可通过导针配合导针孔导引骨固定弹片进行固定，提高固定手术的精度，从而提高手术成功率。
两弹性片相对面上开有对称设置的导针槽，导针孔与导针槽相通。这样便于骨固定弹片安装固定时与导针密切配合，有利于引导固定，提高手术精度。
 有益效果
本实用新型有益的效果是：本实用新型的结构合理、简单，通过骨固定弹片主体前端分叉设置形成两个具有向外侧弹开趋势的弹性片，并且两弹性片通过衔接块连接在一起，该衔接块设有在主体端部受敲击时会断裂的易断部，使本实用新型在应用于在内固定手术时能使骨骼在两个或多个相反方向上都能受到压力作用，能明显提高骨折断面间的连接固定效果，有利于加快骨骼愈合， 有助于患者早日康复，减少病人痛楚。本实用新型结构新颖，应用时固定效果好，成本较低，值得推广。
附图说明
图1为本实用新型的结构示意图；
图2为本实用新型右视时的结构示意图；
图3为本实用新型剖视的结构示意图；
图4为本实用新型使用时的结构示意图；
图5为图1中A部分放大后的结构示意图。
附图标记说明：主体1，弹性片2，衔接块3，易断部3-1，导针孔4，导针槽5。
 本发明的最佳实施方式
本发明的实施方式
下面结合附图对本实用新型作进一步说明：
参照附图：本实施例中的 这种骨固定弹片，包括主体1，该主体1前端分叉，形成两个具有向外侧弹开趋势的弹性片2，两弹性片2通过衔接块3连接在一起，该衔接块3设有在主体1端部受敲击时会断裂的易断部3-1。
衔接块3的侧面呈沙漏状，沙漏的颈部即为所述的易断部3-1。
主体1未分叉部分设有贯通的导针孔4。
两弹性片2相对面上开有对称设置的导针槽5，导针孔4与导针槽5相通。
本实用新型中的主体1、弹性片2 为弹性合金钢制成或为其他对人体无排斥作用且具有良好弹性性能的金属制成。
本实用新型中的衔接块3可以为焊点或粘接块或其他用于连接弹性片2的连接结构，并且该连接结构上设有在主体1端部受敲击时会断裂的易断结构。
本实用新型中的易断部3-1还可以为便于断裂的压痕或凹陷面或其他在主体1端部受敲击时会断裂的结构。
在内固定手术时，预先建立骨性通道，根据导针或克氏针限位导入本骨固定，再锤击骨固定插入，使衔接块3扯断，弹性片2自然向两侧张开，随着逐步锤击固定弹片，各弹性片2向不同方向插入，使骨折部位受到多个方向的压力作用，可明显提高骨折部位固定强度，避免出现切割、松动、移位等现象，配合骨水泥或可固化植骨材料使用时更有利于进一步提高固定牢固强度，促进骨骼愈合生长，以便早期活动甚至负重。
虽然本实用新型已通过参考优选的实施例进行了图示和描述，但是，本专业普通技术人员应当了解，在权利要求书的范围内，可作形式和细节上的各种各样变化。
 工业实用性
序列表自由内容

Claims (1)

  1. 1 、一种骨固定弹片，包括主体（1），其特征是：该主体（1）前端分叉，形成两个具有向外侧弹开趋势的弹性片（2），两弹性片（2）通过衔接块（3）连接在一起，该衔接块（3）设有在主体（1）端部受敲击时会断裂的易断部（3-1）。
    2 、根据权利要求1所述的骨固定弹片，其特征是：所述衔接块（3）的侧面呈沙漏状，沙漏的颈部即为所述的易断部（3-1）。
    3 、根据权利要求1或2所述的骨固定弹片，其特征是：所述主体（1）未分叉部分设有贯通的导针孔（4）。
    4
    、根据权利要求3所述的骨固定弹片，其特征是：所述两弹性片（2）相对面上开有对称设置的导针槽（5），所述导针孔（4）与导针槽（5）相通。
PCT/CN2012/080329 2012-06-18 2012-08-19 骨固定弹片 WO2013189128A1 (zh)

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CN201220283845.2 2012-06-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106725810A (zh) * 2017-02-27 2017-05-31 上海市同济医院 一种固定强度增加的内固定钢板

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3028407B1 (fr) * 2014-11-14 2020-10-02 Clariance Dispositif de guidage securise

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0738502A2 (en) * 1995-04-20 1996-10-23 Halifax Orthopaedic Research Limited Bone support to be inserted in the interior of a bone
US5797913A (en) * 1995-07-28 1998-08-25 Groupe Lepine Device for securing bone parts after osteotomy, or for reducing a bone fracture and securing the fractured bone parts, once these parts have been brought together
CN2411762Y (zh) * 2000-01-11 2000-12-27 曹吉烈 弹性自锁髓内钉
CN2493171Y (zh) * 2001-07-21 2002-05-29 王明才 实心体自动开叉交锁髓内钉
CN2609513Y (zh) * 2003-01-29 2004-04-07 邱贵兴 一种脊柱万向螺钉装置
CN1530079A (zh) * 2003-03-13 2004-09-22 钱本文 中空分叉髓内钉
CN2657595Y (zh) * 2003-11-28 2004-11-24 侯庆忠 股骨颈加压防旋自锁钉

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0738502A2 (en) * 1995-04-20 1996-10-23 Halifax Orthopaedic Research Limited Bone support to be inserted in the interior of a bone
US5797913A (en) * 1995-07-28 1998-08-25 Groupe Lepine Device for securing bone parts after osteotomy, or for reducing a bone fracture and securing the fractured bone parts, once these parts have been brought together
CN2411762Y (zh) * 2000-01-11 2000-12-27 曹吉烈 弹性自锁髓内钉
CN2493171Y (zh) * 2001-07-21 2002-05-29 王明才 实心体自动开叉交锁髓内钉
CN2609513Y (zh) * 2003-01-29 2004-04-07 邱贵兴 一种脊柱万向螺钉装置
CN1530079A (zh) * 2003-03-13 2004-09-22 钱本文 中空分叉髓内钉
CN2657595Y (zh) * 2003-11-28 2004-11-24 侯庆忠 股骨颈加压防旋自锁钉

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106725810A (zh) * 2017-02-27 2017-05-31 上海市同济医院 一种固定强度增加的内固定钢板
CN106725810B (zh) * 2017-02-27 2023-06-06 上海市同济医院 一种固定强度增加的内固定钢板

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