CN105326555A - Immobilized pedicle screw - Google Patents

Immobilized pedicle screw Download PDF

Info

Publication number
CN105326555A
CN105326555A CN201410390422.4A CN201410390422A CN105326555A CN 105326555 A CN105326555 A CN 105326555A CN 201410390422 A CN201410390422 A CN 201410390422A CN 105326555 A CN105326555 A CN 105326555A
Authority
CN
China
Prior art keywords
stud
pedicle screw
provided
end
cato
Prior art date
Application number
CN201410390422.4A
Other languages
Chinese (zh)
Inventor
安宗源
甘澎
兰成营
Original Assignee
天津康立尔生物科技有限公司
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.)
Filing date
Publication date
Application filed by 天津康立尔生物科技有限公司 filed Critical 天津康立尔生物科技有限公司
Priority to CN201410390422.4A priority Critical patent/CN105326555A/en
Publication of CN105326555A publication Critical patent/CN105326555A/en

Links

Abstract

The invention belongs to the technical field of medical equipment and particularly relates to an immobilized pedicle screw. The immobilized pedicle screw comprises a thread rod with an external thread and a self-tapping tip, the self-tapping tip is provided with a groove, and the other end of the thread rod is connected with a clamping support portion. The other end of the clamping support portion is connected with a first stud, the other end of the first stud is connected with a second stud identical to the first stud in diameter, and a joint surface of the first stud and the second stud is provided with a triangular groove. The immobilized pedicle screw has the advantages that fixation can be realized conveniently by cooperation of nuts after implantation of the pedicle screw, angular regulation is realized by the aid of an angle connection rod, and more humanized selections are provided for operations.

Description

一种固定椎弓根螺钉 An immobilized pedicle screw

技术领域 FIELD

[0001] 本发明属于医疗器械技术领域,具体涉及一种固定椎弓根螺钉。 [0001] The present invention belongs to the technical field of medical devices, particularly to a pedicle screw fixed.

背景技术 Background technique

[0002] 椎弓根螺钉作为一种成熟的脊柱外科用装置,已被广泛应用。 [0002] pedicle screw as a mature spinal surgical apparatus has been widely used. 目前椎弓根钉主要是国外公司研制并在市场推出,其均采用空心椎弓根钉,预设棒的长度和弧度,器械设计繁琐,制作工艺难度大;国内采用的椎弓根钉棒固定系统,大体分两大类,一类仍与国外椎弓根螺钉相似,采用空心椎弓根钉设计,预设棒长度和弧度,存在上述相同的缺陷;另一类应用非空心椎弓根螺钉,但是在使用该非空心椎弓根螺钉过程中无法达到空心椎弓根钉的定位效果,椎弓根螺钉置钉位置难以准确控制。 Currently pedicle screw mainly foreign companies to develop and market launch, which are made of hollow pedicle screws, rods preset length and curvature, cumbersome equipment design, production process difficult; the domestic use of pedicle screw fixation the system, generally divided into two categories, similar to the pedicle screw remains abroad, pedicle screw use of hollow design, and a predetermined arc length of the rod, the presence of the same defect; another application of non-hollow pedicle screw , but the use of this non-hollow pedicle screws during pedicle screw can not reach the hollow positioning effect, pedicle screw placement is difficult to accurately control the position.

发明内容 SUMMARY

[0003] 本发明的目的在于解决上述的技术问题而提供一种结构简单且方便操作以保证置钉位置准确的固定椎弓根螺钉。 [0003] The object of the present invention is to solve the aforementioned technical problem to provide a simple structure and easy operation to ensure accurate position fixing screw placement of pedicle screws.

[0004] 为实现上述目的,本发明采用如下技术方案: [0004] To achieve the above object, the present invention adopts the following technical solution:

[0005] 一种固定椎弓根螺钉,包括具有外螺纹的螺纹杆,所述螺纹杆具有带有凹槽的自攻型端头,所述螺纹杆的另一端接设有一卡托部,所述的卡托部的另一端接设有第一螺柱体,所述第一螺柱体另一端接设有直径相相同的第二螺柱体,所述第一螺柱体、第二螺柱体的连接位置面具有三角凹槽。 [0005] A fixing screw, comprising a threaded rod with an external thread, said threaded rod having a tip with a self-tapping groove, the other end of said threaded shank portion is provided with a Cato, the Cato the other end portion of said stud is provided with a first body, the other end of said first body is provided with the same bolt diameter of the second stud member, the stud of the first body, a second screw connection position has a triangular recess of the cylinder surface.

[0006] 作为一种改进,所述卡托部与所述螺纹杆通过弧形过渡连接,所述卡托部与所述第一螺柱体的连接面为平面,所述卡托部的外部边缘为正多边形结构。 [0006] As an improvement, the Cato transition portion and said threaded shank is connected through an arcuate connecting portion of the surface of the first stud Cato body is flat, the outer portion Cato a regular polygon edge structure.

[0007] 本发明固定椎弓根螺钉,由于具有外螺纹的螺纹杆,所述螺纹杆具有带有凹槽的自攻型端头,所述螺纹杆的另一端接设有一卡托部,所述的卡托部的另一端接设有第一螺柱体,所述第一螺柱体另一端接设有直径相相同的第二螺柱体,所述第一螺柱体、第二螺柱体的连接位置面具有三角凹槽,可以方便植入后通过螺母配合固定,并通过角度连接杆进行角度调整,可以给予手术操作更多的人性化选择。 [0007] The present invention, pedicle screw fixation, since the external thread having a threaded rod, said threaded rod having a tip with a self-tapping groove, the other end of said threaded shank portion is provided with a Cato, the Cato the other end portion of said stud is provided with a first body, the other end of said first body is provided with the same bolt diameter of the second stud member, the stud of the first body, a second screw connection position has a triangular recess of the cylinder surface, the implant can be easily fitted and fixed by the nut, and the angle adjusting rod connected to the angle may be administered more humanized operator selection.

附图说明 BRIEF DESCRIPTION

[0008] 图1所示为本发明实施例提供的一种固定椎弓根螺钉的结构示意图; [0008] FIG. 1 is a schematic structural diagram of a fixed pedicle screw INVENTION An embodiment of the embodiment shown provided;

[0009] 图2所示为图1的另一视角下的侧视图。 [0009] Figure 2 is another perspective side view of the FIG.

具体实施方式 Detailed ways

[0010] 下面,结合实例对本发明的实质性特点和优势作进一步的说明,但本发明并不局限于所列的实施例。 [0010] Next, with examples of substantive features and advantages of the invention will be further described, but the present invention is not limited to the embodiments set forth.

[0011] 参见图1、2所示,该图示出了本发明实施例提供的一种固定椎弓根螺钉的结构。 As shown in [0011] Referring to Figure 2, which shows the present invention provide a pedicle screw fixing structure according to an embodiment. 为了便于说明,仅示出了与本发明实施例有关的部分。 For ease of description, only a part related to the embodiment of the present invention.

[0012] 请参阅图1、2,一种固定椎弓根螺钉,包括具有外螺纹的螺纹杆1,所述螺纹杆I具有带有凹槽2的自攻型端头3,所述螺纹杆I的另一端接设有一卡托部4,所述的卡托部4的另一端接设有第一螺柱体5,所述第一螺柱体5另一端接设有直径相相同的第二螺柱体6,所述第一螺柱体5、第二螺柱体6的连接位置面具有三角凹槽7。 [0012] Referring to FIG. 1 A fixing screw, comprising a threaded rod having an external thread, said threaded rod having a self-tapping I end with a recessed head 32 of the threaded rod I other end portion 4 is provided with a Cato, Cato the other end portion 4 is provided with a first stud 5, the other end of said first bolt body 5 is provided with the same diameter of the first two studs 6, the first stud 5, a second position connecting stud having a cam surface groove 6 7.

[0013] 作为一种改进,所述卡托部4与所述螺纹杆I通过弧形过渡连接,所述卡托部2与所述第一螺柱体5的连接面为平面,所述卡托部5的外部边缘为正多边形结构。 [0013] As an improvement, the transition 4 I Cato portion connected to the threaded rod by the arc, the Cato portion surface of the first connector 2 and the stud 5 is flat, the card the outer edge portion 5 of the bracket structure of a regular polygon.

[0014] 作为一种改进,所述第二螺柱体6的自由端具有一个一字直槽8。 [0014] As an improvement, the free end of the second stud member 6 having a straight groove 8 word.

[0015] 本发明固定椎弓根螺钉,由于具有外螺纹的螺纹杆,所述螺纹杆具有带有凹槽的自攻型端头,所述螺纹杆的另一端接设有一卡托部,所述的卡托部的另一端接设有第一螺柱体,所述第一螺柱体另一端接设有直径相相同的第二螺柱体,所述第一螺柱体、第二螺柱体的连接位置面具有三角凹槽,可以方便植入后通过螺母配合固定,并通过角度连接杆进行角度调整,可以给予手术操作更多的人性化选择。 [0015] The present invention, pedicle screw fixation, since the external thread having a threaded rod, said threaded rod having a tip with a self-tapping groove, the other end of said threaded shank portion is provided with a Cato, the Cato the other end portion of said stud is provided with a first body, the other end of said first body is provided with the same bolt diameter of the second stud member, the stud of the first body, a second screw connection position has a triangular recess of the cylinder surface, the implant can be easily fitted and fixed by the nut, and the angle adjusting rod connected to the angle may be administered more humanized operator selection.

[0016] 以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。 [0016] The above are only preferred embodiments of the present invention, it should be noted that those of ordinary skill in the art, in the present invention without departing from the principles of the premise, can make various improvements and modifications, such modifications and modifications should also be regarded as the protection scope of the present invention.

Claims (2)

1.一种固定椎弓根螺钉,其特征在于,包括具有外螺纹的螺纹杆,所述螺纹杆具有带有凹槽的自攻型端头,所述螺纹杆的另一端接设有一卡托部,所述的卡托部的另一端接设有第一螺柱体,所述第一螺柱体另一端接设有直径相相同的第二螺柱体,所述第一螺柱体、第二螺柱体的连接位置面具有三角凹槽。 A fixing screw, characterized in that it comprises a threaded rod with an external thread, said threaded rod having a tip with a self-tapping groove, the other end is provided with a threaded rod Cato portion, the other end portion provided with a first stud Cato body, the other end of said first body is provided with studs with the same diameter of the second stud member, the stud of the first body, connection surface of the second position of the stud body has a triangular groove.
2.根据权利要求1所述固定椎弓根螺钉,其特征在于,所述卡托部与所述螺纹杆通过弧形过渡连接,所述卡托部与所述第一螺柱体的连接面为平面,所述卡托部的外部边缘为正多边形结构。 2. The method of claim 1 fixing screw, characterized in that the portion of the threaded rod Cato transition through an arcuate connecting portion of the surface of the first Cato stud member flat, the outer edge portion of a regular polygon configuration Cato.
CN201410390422.4A 2014-08-11 2014-08-11 Immobilized pedicle screw CN105326555A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410390422.4A CN105326555A (en) 2014-08-11 2014-08-11 Immobilized pedicle screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410390422.4A CN105326555A (en) 2014-08-11 2014-08-11 Immobilized pedicle screw

Publications (1)

Publication Number Publication Date
CN105326555A true CN105326555A (en) 2016-02-17

Family

ID=55277478

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410390422.4A CN105326555A (en) 2014-08-11 2014-08-11 Immobilized pedicle screw

Country Status (1)

Country Link
CN (1) CN105326555A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020169450A1 (en) * 2001-04-24 2002-11-14 Co-Ligne Ag Instrumentation for stabilizing certain vertebrae of the spine
US20050101954A1 (en) * 2003-11-10 2005-05-12 Simonson Peter M. Artificial facet joint and method
WO2006039765A1 (en) * 2004-10-13 2006-04-20 Stanislav Georgiev Nestorov System for stabilization of spinal column
US20090062822A1 (en) * 2007-08-31 2009-03-05 Frasier William J Adaptable clamping mechanism for coupling a spinal fixation element to a bone anchor
CN201861747U (en) * 2010-11-16 2011-06-15 张英泽 Orthopaedic fixation screw capable of achieving drilling function and fastening function at the same time
US20120209332A1 (en) * 2011-02-14 2012-08-16 Pioneer Surgical Technology, Inc. Spinal Fixation System And Method
US20130079826A1 (en) * 2011-09-23 2013-03-28 Peter M. Simonson Spinal rod and bone screw caps for spinal systems assemblies

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020169450A1 (en) * 2001-04-24 2002-11-14 Co-Ligne Ag Instrumentation for stabilizing certain vertebrae of the spine
US20050101954A1 (en) * 2003-11-10 2005-05-12 Simonson Peter M. Artificial facet joint and method
WO2006039765A1 (en) * 2004-10-13 2006-04-20 Stanislav Georgiev Nestorov System for stabilization of spinal column
US20090062822A1 (en) * 2007-08-31 2009-03-05 Frasier William J Adaptable clamping mechanism for coupling a spinal fixation element to a bone anchor
CN201861747U (en) * 2010-11-16 2011-06-15 张英泽 Orthopaedic fixation screw capable of achieving drilling function and fastening function at the same time
US20120209332A1 (en) * 2011-02-14 2012-08-16 Pioneer Surgical Technology, Inc. Spinal Fixation System And Method
US20130079826A1 (en) * 2011-09-23 2013-03-28 Peter M. Simonson Spinal rod and bone screw caps for spinal systems assemblies

Similar Documents

Publication Publication Date Title
CN2873119Y (en) Spine U-shape vertebral pedicle nail
CN201316308Y (en) Universal external fixer
CN201679808U (en) Telescopic rod
CN102247198B (en) Combined three-dimensional traction mounting bracket for wrist joint
CN202117233U (en) Adjustable rebar thread connection device
CN201384559Y (en) Screw-thread nail for skeleton connection
CN102261167A (en) Adjustable steel threaded connections
CN103417302B (en) Repairing skin defect distractor
CN104983455B (en) Universal restructuring and distraction osteogenesis fixation device
CN202154737U (en) Combined-type three-dimensional traction fixation rack for wrist joints
CN203029364U (en) Combined adjustable clamp
CN201814648U (en) Standard fixing device for kneecap
CN203179711U (en) Multifunctional portable operating lever
CN201530414U (en) Fall-type tie rod assembly
CN103932770B (en) One kind of skull traction means
CN201079433Y (en) Single side adjustable external fixing rack and combined use device thereof
CN203107267U (en) Orthopedic nail taking device
CN203493716U (en) Bone fixing device
CN203328785U (en) Low-incisura simple universal vertebral pedicle screw
CN201365969Y (en) Pedicle screw for locking thread at trapezoid tail part thereof
CN204542508U (en) Device for splint for orthopedics
CN102406516B (en) Pressurized combination screw capable of quantizing torsion and composite screwdriver thereof
CN201899526U (en) Surgical draw hook for head and neck
CN203576612U (en) Novel fracture reduction and fixation clamp
CN203208080U (en) Talofibular and calcaneofibular ligament reconstruction fibula positioner

Legal Events

Date Code Title Description
C06 Publication
C10 Entry into substantive examination
WD01