CN105496530A - Lobulated hollow forcing screw - Google Patents

Lobulated hollow forcing screw Download PDF

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Publication number
CN105496530A
CN105496530A CN 201610059853 CN201610059853A CN105496530A CN 105496530 A CN105496530 A CN 105496530A CN 201610059853 CN201610059853 CN 201610059853 CN 201610059853 A CN201610059853 A CN 201610059853A CN 105496530 A CN105496530 A CN 105496530A
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CN
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Application
Patent type
Prior art keywords
screw
lobulated
hollow
rod
cap
Prior art date
Application number
CN 201610059853
Other languages
Chinese (zh)
Inventor
胡昌庆
Original Assignee
苏州瑞华医院有限公司
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.)
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/683Internal 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86Threaded wires, pins or screws; Nuts therefor
    • A61B17/8625Shanks, i.e. parts contacting bone tissue
    • A61B17/863Shanks, i.e. parts contacting bone tissue with thread interrupted or changing its form along shank, other than constant taper
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86Threaded wires, pins or screws; Nuts therefor
    • A61B17/864Threaded wires, pins or screws; Nuts therefor hollow, e.g. with socket or cannulated
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86Threaded wires, pins or screws; Nuts therefor
    • A61B17/8685Threaded wires, pins or screws; Nuts therefor comprising multiple separate parts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B2017/564Methods for bone or joint treatment
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86Threaded wires, pins or screws; Nuts therefor
    • A61B2017/8655Threaded wires, pins or screws; Nuts therefor with special features for locking in the bone

Abstract

The invention discloses a lobulated hollow forcing screw, comprising a lobulated screw cap and a hollow screw rod, wherein the lobulated screw cap is fixed at one end of the hollow screw rod, and the other end of the hollow screw rod is provided with external threads; the center of the lobulated screw cap is provided with a threaded hole extending to the hollow screw rod; and a plurality of arc-shaped fixed blocks are arranged on the periphery of the lobulated screw cap, and each fixed block is provided with a pair of interconnected lobulated hole. By virtue of the above mode, the lobulated hollow forcing screw disclosed by the invention can effectively achieve the integral fixation of compression and fixation of a fracture and the surrounding injured ligaments and joint capsules, so that the surgical operation is simpler, more convenient and easier, and the curative effect is more reliable.

Description

一种分叶空心加压螺钉 One kind of leaf hollow compression screw

技术领域 FIELD

[0001]本发明涉及骨科围关节骨折手术器械领域,特别是涉及一种分叶空心加压螺钉。 [0001] The present invention relates to orthopedic surgical instruments periarticular fractures, and more particularly, to a segmented hollow compression screw.

背景技术 Background technique

[0002]空心螺钉是骨科围关节骨折手术常用内固定材料,但现有空心螺钉只有加压固定骨折块的作用,对于伴有关节周围韧带、关节囊损伤的撕脱骨折,无加压固定或牢固固定的作用。 [0002] The hollow screw periarticular fractures orthopedic fixation materials common, but only a conventional hollow screw pressing action fracture fixation block, with respect to the ligaments around the joint, joint capsule damage avulsion fracture, fixed or non-pressurized firmly fixed role. 传统的手术是予以骨折块螺钉固定时加用垫片对骨折及关节周围的韧带、关节囊损伤的修复等,同时还要另外应用带线铆钉或其他固定材料缝合固定韧带关节囊,从而增加难度和手术时间,并增加医疗费用。 Traditional surgical screw fixation of fracture fragments is to be added when the gasket and the ligaments around the joint fractures, joint capsule damage repair, but also with other applications line rivets or other securing materials suturing the ligaments of the joint capsule, making it more difficult and surgical time, and increased health care costs.

发明内容 SUMMARY

[0003]本发明主要解决的技术问题是针对传统空心螺钉不能同时达到有效、良好固定骨折,又能对关节周围韧带、关节囊加压固定修复的功能,提供一种分叶空心加压螺钉,既能达到围关节骨折固定,又能对关节周围韧带、关节囊加压牢固修复,降低手术难度。 [0003] The present invention solves the technical problem is that the traditional hollow screws can not be achieved at the same time an effective, well-fixed fracture, but also on the surrounding ligaments, joint capsule pressurized fixed restoration of function to provide a segmented hollow compression screw, can achieve periarticular fracture fixation, but also on the surrounding ligaments, joint capsule pressing firmly fix and reduce the difficulty of operation.

[0004]为解决上述技术问题,本发明采用的一个技术方案是:提供一种分叶空心加压螺钉,包括:分叶螺帽和空心螺杆,所述分叶螺帽固定在空心螺杆一端,空心螺杆另一端设有外螺纹;所述分叶螺帽中心开有延伸至空心螺杆的螺纹孔;所述分叶螺帽外围设有若干圆弧形的固定块,每个固定块上设有一对相互连通的分叶孔。 [0004] To solve the above problems, an aspect of the present invention is that: to provide a hollow compression screw leaf, comprising: a hollow screw and nut leaf, the leaf hollow nut fixed to one end of the screw, the other end of the hollow screw is provided with an external thread; said central opening leaf nut threaded hole extending through the hollow screw; and the nut leaf has a plurality of arc-shaped peripheral fixing block, each provided with a fixing block leaf of holes communicate with each other.

[0005]优选的,所述固定块有四个,四个固定块均匀分布在分叶螺帽外围。 [0005] Preferably, the fixing block has four, four fixing blocks evenly distributed peripheral nut leaf.

[0006]优选的,所述分叶螺帽与外螺纹间隔开。 [0006] Preferably, the externally threaded nut and leaf spaced apart.

[0007]本发明的有益效果是:本发明能有效达到骨折加压固定与周围损伤的韧带、关节囊固定于一体,使手术操作更加简便容易,疗效更加可靠。 Advantageous Effects [0007] of the present invention are: the present invention is effective to achieve fixation in the fracture and the surrounding ligaments injury, integrally fixed to the joint capsule, the surgical operation easier easier, more reliable effect.

附图说明 BRIEF DESCRIPTION

[0008]图1是本发明一种分叶空心加压螺钉一较佳实施例的主视结构示意图; [0008] FIG. 1 is a present invention provide a hollow compression screw leaf schematic front view of a configuration example of a preferred embodiment;

图2是所示一种分叶空心加压螺钉的俯视结构示意图。 FIG 2 is a schematic top view of the structure shown in FIG hollow compression screw leaf.

[0009]附图中各部件的标记如下:1、空心螺杆;2、分叶螺帽;3、螺纹孔;4、固定块;5、分叶孔。 [0009] The reference number of each component are as follows: 1, the hollow screw; 2, nut leaf; 3, threaded holes; 4, fixing block; 5, leaf holes.

具体实施方式 detailed description

[0010]下面结合附图对本发明的较佳实施例进行详细阐述,以使本发明的优点和特征能更易于被本领域技术人员理解,从而对本发明的保护范围做出更为清楚明确的界定。 Detail drawings of the preferred embodiment of the present invention [0010] below with reference to enable features and advantages of the present invention can be more readily understood by those skilled in the art, in order to make more clear and unambiguous definition of the scope of the present invention .

[0011 ]请参阅图1和图2,本发明实施例包括: [0011] Please refer to FIGS. 1 and 2, embodiments of the present invention, examples include:

一种分叶空心加压螺钉,包括:分叶螺帽2和空心螺杆I,所述分叶螺帽2固定在空心螺杆I 一端,空心螺杆I另一端设有外螺纹,分叶螺帽2与外螺纹间隔开;所述分叶螺帽2中心开有延伸至空心螺杆的螺纹孔3;所述分叶螺帽2外围固定有四个圆弧形的固定块4,四个固定块4均匀分布在分叶螺帽2外围,每个固定块4上设有一对相互连通的分叶孔5。 One kind of leaf hollow compression screw, comprising: a segmented hollow screw nut and I 2, the leaf fixing nut 2 is provided with external screw thread in the hollow end I, I and the other end of the hollow screw, nut leaf 2 spaced apart externally threaded; the center of the leaf 2 is opened nut threaded bore extending to the hollow screw 3; said nut leaf 2 is fixed to the peripheral four arcuate fixed block 4, four fixed block 4 leaf evenly distributed peripheral nut 2, a pair of leaf holes 5 communicate with each other on each of the fixing block 4. 分叶螺帽2的分叶孔5内可穿入修复固定缝合韧带、关节囊的材料,同时分叶螺帽上的圆弧形固定块可予以骨折周围韧带、关节囊修复加压固定,使骨折固定与周围关节囊、韧带修复更加牢固。 Divided inner leaf 2 leaf nut bore repair material 5 may penetrate a fixed stapling ligament, joint capsule, while the arc-shaped fixing block may be segmented nut fractures surrounding ligaments, joint capsule repair pressure fixing, so that fracture fixation with the surrounding joint capsule, ligament repair more solid.

[0012]本发明提供一种简单、实用的分叶空心加压螺钉,能有效达到骨折加压固定与周围损伤的韧带、关节囊固定于一体,使手术操作更加简便容易,疗效更加可靠。 [0012] The present invention provides a simple, practical leaf hollow compression screw, effective to achieve fixation in the fracture and the surrounding ligaments injury, integrally fixed to the joint capsule, the surgical operation easier easier, more reliable effect.

[0013]以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书及附图内容所作的等效结构,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。 [0013] The embodiments described above are only embodiments of the present invention, not intended to limit the scope of the present invention, all utilize the present specification and drawings taken equivalent structures, or applied directly or indirectly to other related technical field, shall fall within the scope of protection of the present invention.

Claims (3)

  1. 1.一种分叶空心加压螺钉,其特征在于,包括:分叶螺帽和空心螺杆,所述分叶螺帽固定在空心螺杆一端,空心螺杆另一端设有外螺纹;所述分叶螺帽中心开有延伸至空心螺杆的螺纹孔;所述分叶螺帽外围设有若干圆弧形的固定块,每个固定块上设有一对相互连通的分叶孔。 A leaf hollow compression screw, characterized in that, comprising: a hollow screw and nut leaf, the leaf hollow nut fixed to one end of the screw, the other end of the hollow screw is provided with an external thread; said leaf nuts are threaded central bore extending through the hollow screw; and the nut leaf has a plurality of arc-shaped peripheral fixing block, a pair of leaf holes communicate with each other on each of the fixed block.
  2. 2.根据权利要求1所述的一种分叶空心加压螺钉,其特征在于:所述固定块有四个,四个固定块均匀分布在分叶螺帽外围。 A leaf of the hollow compression screw according to claim 1, characterized in that: said fixed block has four, four fixing blocks evenly distributed peripheral nut leaf.
  3. 3.根据权利要求2所述的一种分叶空心加压螺钉,其特征在于:所述分叶螺帽与外螺纹间隔开。 3. The compression screw according to one of the leaf hollow claimed in claim 2, wherein: said externally threaded segmented nut and spaced apart.
CN 201610059853 2016-01-28 2016-01-28 Lobulated hollow forcing screw CN105496530A (en)

Priority Applications (1)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61228110A (en) * 1985-03-28 1986-10-11 Textron Inc Master leaf type clamping fixing device
JPH10272142A (en) * 1997-01-31 1998-10-13 Yoji Murashima Cannulated screw and driver used for cannulated screw
DE29717413U1 (en) * 1997-09-30 1999-02-04 Degima Medizinprodukte Dr Dr T The suture anchor of absorbable plastic
EP1025803A1 (en) * 1999-02-04 2000-08-09 Arthrex, Inc. Headed bioabsorbable tissue anchor
US20030144696A1 (en) * 2002-01-25 2003-07-31 Medicinelodge, Inc. Threaded suture anchor and method of use
EP1584297A1 (en) * 2004-04-06 2005-10-12 Arthrex, Inc. Suture anchor with apertures at tip
CN101514718A (en) * 2008-02-19 2009-08-26 宽仕工业股份有限公司 High-torsion transmission screw and sleeve matched with same
CN202789966U (en) * 2012-08-27 2013-03-13 江苏永昊高强度螺栓有限公司 Quincuncial bolt
CN204133595U (en) * 2014-08-06 2015-02-04 黄炳全 Novel orthopaedic medical screw
CN205458976U (en) * 2016-01-28 2016-08-17 苏州瑞华医院有限公司 Hollow compression screw of leaflet

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61228110A (en) * 1985-03-28 1986-10-11 Textron Inc Master leaf type clamping fixing device
JPH10272142A (en) * 1997-01-31 1998-10-13 Yoji Murashima Cannulated screw and driver used for cannulated screw
DE29717413U1 (en) * 1997-09-30 1999-02-04 Degima Medizinprodukte Dr Dr T The suture anchor of absorbable plastic
EP1025803A1 (en) * 1999-02-04 2000-08-09 Arthrex, Inc. Headed bioabsorbable tissue anchor
US20030144696A1 (en) * 2002-01-25 2003-07-31 Medicinelodge, Inc. Threaded suture anchor and method of use
EP1584297A1 (en) * 2004-04-06 2005-10-12 Arthrex, Inc. Suture anchor with apertures at tip
CN101514718A (en) * 2008-02-19 2009-08-26 宽仕工业股份有限公司 High-torsion transmission screw and sleeve matched with same
CN202789966U (en) * 2012-08-27 2013-03-13 江苏永昊高强度螺栓有限公司 Quincuncial bolt
CN204133595U (en) * 2014-08-06 2015-02-04 黄炳全 Novel orthopaedic medical screw
CN205458976U (en) * 2016-01-28 2016-08-17 苏州瑞华医院有限公司 Hollow compression screw of leaflet

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