CN201085681Y - Flip type spine nail and stick fixing nail - Google Patents

Flip type spine nail and stick fixing nail Download PDF

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Publication number
CN201085681Y
CN201085681Y CN 200720178242 CN200720178242U CN201085681Y CN 201085681 Y CN201085681 Y CN 201085681Y CN 200720178242 CN200720178242 CN 200720178242 CN 200720178242 U CN200720178242 U CN 200720178242U CN 201085681 Y CN201085681 Y CN 201085681Y
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CN
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Prior art keywords
screw
nail
ball
hole
clamshell
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CN 200720178242
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Chinese (zh)
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陈唯宁
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陈唯宁
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Abstract

The utility model discloses a cover-type spine screw rod fixing screw which belongs to the spine- repairing internal fixture technical field. The utility model comprises a cover-type screw head, a spherical bone screw, a connecting nut and a locking screw; the cover-type screw head is composed of a screw head base, an upper cover plate and a pin; a circular concave groove is arranged in the middle of the screw head base; a spherical screw hole is arranged on the lower side of the screw head base; one side of the screw head base is provided with a pin hole and the other side is provided with a locking screw hole; the upper cover plate is connected with the screw head base through the pin; the upper cover plate is connected with the screw head base through the locking screw; the spherical bone screw is connected with the spherical screw hole on the lower side of the screw head base through the connecting nut. The cover-type spine screw rod fixing screw has small structure and can reduce the operational incision so that the bone cement can be filled into the loose bone tissue through a vertical hole or a side hole communicated with the vertical hole to form a reliably connection; the spine screw rod fixing screw which has the advantages of convenient connection and time saving can reduce the surgery time and lighten the suffering of patients.

Description

掀盖式脊柱钉棒固定钉技术领域本实用新型公开了一种掀盖式脊柱钉棒固定钉,属于脊柱修复内固定物技术领域。 Clamshell spinal fixation screw rod staple Technical Field The present invention discloses a clamshell spinal screw fixation nail, intraspinal technical field belongs fixtures repair. 背景技术在日常生活中,由于多种原因,使部分人的脊柱受到损伤,如创伤引起的脊柱不稳定、 风湿性疾病及肿瘤引起的脊柱疾病,先天性及医源性、遗传性脊柱疾病,以及退行性脊柱疾病。 Background Art In daily life, for various reasons, so that part of the human spinal damage, such as trauma caused by instability of the spine, spinal diseases and rheumatic diseases caused by tumor, and iatrogenic congenital, hereditary spinal diseases, and degenerative spine disease. 这些原因都会引起脊柱不能保持正常的生理状态,造成患者驼背、侧弯等症状,无法正常生活。 For these reasons will cause the spine can not maintain normal physiological state, causing the patient kyphosis, scoliosis and other symptoms, you can not live a normal life. 为了治疗这些病症,常采用在患者脊柱上固定钉棒固定系统的方式,帮助患者恢复脊柱的正常形态。 For the treatment of these disorders, often by way of a fixed pedicle screw fixation system on the patient's spine to help patients return to normal morphology of the spinal column. 这种钉棒固定系统主要由固定钉及支撑棒组成。 This system consists of a fixed pedicle screw and the support rod fixation nail composition. 目前采用的钉棒固定系统的固定钉的结构,使钉棒外露出骨表面的部分较厚,手术切迹较高,给患者造成较大的痛苦与不便。 The current structure of the fixed rod of the staple fastening system employed, so that the exposed portion of the screw rod a thicker outer bone surface, higher notch operation, causing greater pain and inconvenience to the patient. 另外,当患者的骨质疏松时,固定钉与骨组织结合不牢固,容易使固定钉松动,造成固定不稳定。 Also, when patients with osteoporosis, fixation nail and bone tissues not strong, easily fixed screw loosening, resulting in unstable fixation. 实用新型内容本实用新型的目的是设计一种掀盖式脊柱钉棒固定钉,能降低手术切迹,使钉棒外露出骨表面的部分减少,同时使固定钉能与骨组织结合牢固,防止骨质疏松造成固定不稳定, 减少手术时间,减轻患者痛苦与不便。 SUMMARY OF THE INVENTION The object of the invention is to design a clamshell spinal screw fixation nail, surgery can reduce notch, so that the exposed portion of the screw rod to reduce the outer bone surface, while the nail fixing capable of binding strongly with bone tissue, preventing osteoporosis causes unstable fixation, reducing surgery time, reduce patient pain and inconvenience. 本实用新型采用的技术方案是由掀盖式钉头、球头骨钉、连接螺母、锁紧螺钉组成, 掀盖式钉头由钉头座、上盖板和销钉组成,钉头座中间开有一个圆形凹槽,钉头座下面开有一个球头螺孔,钉头座一边带有销孔,另一边带有锁紧螺孔;上盖板通过销钉与钉头座连接,上盖板通过锁紧螺钉与钉头座固定;球头骨钉通过连接螺母连接在钉头座下面的球头螺孔中。 The present invention uses the technical solution is a clamshell stud, skull ball screw, a coupling nut, locking screw composition, the clamshell stud by a stud holder, and the pin on the cover composition, intermediate stud seat is opened a circular recess, stud seat is opened following a ball screw, stud seat side with a pin hole on the other side with a locking screw; on the cover plate is connected to the stud by a pin holder, the cover plate holder fixing screws through the locking nail head; skull staple ball nut connected by connecting stud base following the ball screw. 所述球头骨钉的钉体中带有纵向孔。 The ball skull nail body with a longitudinal bore of the nail. 所述球头骨钉的钉体中带有侧孔,侧孔与纵向孔连通。 The ball skull with the staple body side holes, the side hole communicating with the longitudinal bore. 所述球头骨钉中的纵向孔的上端带有螺纹。 The upper end of the longitudinal bore in the ball is threaded skull staple. 本实用新型所设计的掀盖式脊柱钉棒固定钉具有下述优点:1、 掀盖式脊柱钉棒固定钉结构小巧,能与支撑棒组成小巧、低矮的钉棒固定系统, 降低手术切迹,使钉棒外露出骨表面的部分减少,减轻患者痛苦与不便。 The present novel clamshell designed spinal screw fixation nail has the following advantages: 1, the clamshell spinal screw fixation nail compact structure, the support rods can be composed of compact, low screw fixation systems to reduce surgical trace, so that the exposed portion of the screw rod to reduce the outer surface of the bone, reduce patient pain and inconvenience. 2、 掀盖式脊柱钉棒固定钉使用安全可靠。 2, flip-type spinal screw fixation nail safe and reliable. 球头骨钉与骨组织结合牢固,在患者的骨质疏松时,可以通过纵向孔和与其连通的侧孔向疏松的骨组织中填充骨水泥,增强球头骨钉与骨组织的结合力,因而脊柱钉棒固定钉能形成可靠的连接,在使用中不易损坏,安全性高。 Ball skull bone with the nail with a solid, while in patients with osteoporosis, can be filled with bone cement to the bone tissue through the side hole loose longitudinal bore and communicating therewith to enhance the binding force of the staple ball skull bone tissue, in the spinal cord screw fixation staples form a reliable connection can be easily damaged during use, high safety. 3、掀盖式脊柱钉棒固定钉使用方便灵活。 3, flip-type spinal screw fixation nails is convenient and flexible. 可以先行利用导向针在椎弓根位置准确定位,然后将球头骨钉经纵向孔穿入导向针再将其植入固定,这样可以有效地防止球头骨钉因定位不准而造成的脊髓损伤。 First by the guide pins can be positioned accurately position the pedicle, then the ball through the longitudinal bore penetrating the skull staple guide pin then implanted fixation, this can be effectively prevented due to spinal cord injury staple ball skull caused by inaccurate positioning. 掀盖式钉头可以使支撑棒容易安放,便于操作,掀盖式钉头与球头骨钉是球形连接,连接角度可调整,使掀盖式脊柱钉棒固定钉与支撑棒连接方便、 省时,减少手术时间,减轻患者痛苦。 When the clamshell stud support rod can be easily placed, ease of operation, flip-type ball stud with a spherical skull staple, connecting angle adjustable, so that the clamshell spinal screw fixation nail and easy connection support rod, provincial reduce surgery time, reduce patient suffering. 附图说明图1是掀盖式脊柱钉棒固定钉的主结构示意主视图。 BRIEF DESCRIPTION OF schematic front view of the main structure of FIG. 1 is a clamshell spinal screw fixation nail. 图2是图1的左视图。 FIG 2 is a left side view of FIG. 图3是图1的俯视图。 FIG 3 is a plan view of FIG. 1. 图4是另一种掀盖式脊柱钉棒固定钉的主结构示意主视图。 FIG 4 is another clamshell spinal screw fixation nail a schematic front view of the main structure. 具体实施方式实施例1本实施例所述掀盖式脊柱钉棒固定钉的结构示意图见图1、图2和图3所示。 Structure Example 1 of the present embodiment DETAILED DESCRIPTION Embodiments of the clamshell spinal screw fixation nail is shown in Figure 1, 2 and 3. 掀盖式脊柱钉棒固定钉由掀盖式钉头、球头骨钉1、连接螺母2、锁紧螺钉3组成, 掀盖式钉头由钉头座4、上盖板5和销钉6组成,钉头座4中间开有一个圆形凹槽7,钉头座的下面开有一个球头螺孔8,钉头座的一边带有销孔9,另一边带有锁紧螺孔10;上盖板5通过销钉6与钉头座4连接,上盖板5通过锁紧螺钉3与钉头座4固定;球头骨钉1通过连接螺母2连接在钉头座4下面的球头螺孔8中。 Clamshell spinal screw fixation nail by the nail head clamshell ball skull nail 1, the connecting nut 2, 3 consisting of a locking screw, a nail head clamshell stud holder 4, the upper cover 5 and the pin 6 consisting, intermediate stud holder 4 has a circular recess 7 opened, following the opening of the screw head housing has a ball screw 8, stud seat side with a pin hole 9, a locking screw 10 with the other side; the cover 54 is connected by a pin holder 6 and the nail head, the cover plate 5 is fixed by a lock screw stud holder 3 and 4; nail 1 skull ball nut 2 is connected through the connection holes 8 in the ball stud holder 4 following in. 手术中,根据患者治疗的需要,把若干个掀盖式脊柱钉棒固定钉用球头骨钉1固定到患者的脊柱上,打开掀盖式钉头上的上盖板5,把支撑棒11放入钉头座4中间的圆形凹槽7中,然后关闭上盖板5,用锁紧螺钉3把上盖板5固定到钉头座4上,上盖板5将支撑棒11连接到钉头座4中间的圆形凹槽7中。 Surgery, according to a patient in need of treatment, the number of the clamshell spinal screw fixation nail skull nail 1 with a ball secured to the patient's spinal column, opening the clamshell cover 5 on the tack head, the support rod 11 put into the nail head holder 4 in the middle of the circular recess 7, and then close the cover 5, with the locking screw 5 is fixed to the cover plate 3 on the stud holder 4, the upper cover 5 to the support rod 11 is connected staple 4 in the header of the intermediate circular recess 7. 若干个掀盖式脊柱钉棒固定钉与支撑棒11紧固后组成钉棒固定系统,固定到患者脊柱上,帮助矫正、支撑患者的脊柱,达到治疗目的。 After several clamshell spinal screw fixation nail rod 11 is fastened to the support composition screw fixation system secured to the patient's spine to help correct, supporting the patient's spine, for therapeutic purposes. 本实用新型所设计的掀盖式脊柱钉棒固定钉具有结构小巧,能与支撑棒组成小巧、低矮的钉棒固定系统,手术切迹低,使钉棒外露出骨表面的部分减少。 The present novel clamshell designed spinal screw fixation nail having a compact structure, the support rods can be composed of compact, low screw fixation system, low notch operation, so that the exposed portion of the outer bone screw rod surface is reduced. 掀盖式脊柱钉棒固定钉能形成可靠的连接,在使用中不易损坏,安全性高。 Clamshell spinal screw fixation nail reliable connection can be formed easily damaged during use, high safety. 掀盖式脊柱钉棒固定钉使用方便灵活,与支撑棒连接方便、省时,能减少手术时间,减轻患者痛苦。 Clamshell spinal screw fixation nail convenient and flexible for easy connection to the support bar, save time, reduce surgery time, reduce patient suffering. 实施例2本实施例所述掀盖式脊柱钉棒固定钉的结构示意图见图4所示。 Example 2 Example Structure embodiment the clamshell spinal screw fixation nail is shown in Figure 4. 本实施例所述掀盖式脊柱钉棒固定钉与实施例1所述的掀盖式脊柱钉棒固定钉的结构基本相同,不同之处是球头骨钉1中间带有纵向孔12、侧孔13和螺纹14。 The structure of the present embodiment, the clamshell spinal screw fixation nail with Example 1, the clamshell spinal screw fixation nail embodiment is substantially the same, except that the intermediate ball skull nail 1 with a longitudinal bore 12, side hole 13 and the thread 14. 在手术中,可以将球头骨钉1直接拧入患者治疗所需的骨骼位置上,如果患者的骨质疏松,可以通过纵向孔12和与其连通的侧孔13向疏松的骨组织中填充骨水泥,增强球头骨钉1与骨组织的结合力,使球头骨钉1形成可靠的连接,防止骨质疏松造成固定不稳定。 In operation, a ball may be directly screwed into the skull staple patients skeletal desired position, if the patient osteoporosis, 13 to be filled with loose bone tissue by bone cement and the side hole 12 in communication with the longitudinal bore , an enhanced staple ball skull bone tissue binding force, the ball 1 is formed staple skull reliable connection, prevent osteoporosis caused by unstable fixation. 螺纹14用来连接骨水泥注射器,使注入骨水泥时注射器固定,骨水泥不外泄。 Threaded bone cement syringe 14 is used to connect the syringe fixing bone cement is injected, the bone cement does not leak. 在手术中,还可以先行利用导向针在椎弓根位置准确定位,然后将球头骨钉l经纵向孔12穿入导向针再将其植入固定,这样可以有效地防止球头骨钉1因定位不准而造成的脊髓损伤。 In operation, first by the guide pins may also be positioned at the exact position of the pedicle, then the ball through the skull l staple longitudinal bore 12 which then penetrates the guide pin fixed to the implant, so that the ball can be effectively prevented by positioning the skull nail 1 forbid caused by spinal cord injury. 本实施例所述掀盖式脊柱钉棒固定钉的其他优点与实施例1所述的相同。 Other advantage of this embodiment of the flip cover type spinal fixation pedicle screw nail as in Example 1.

Claims (4)

  1. 1.一种掀盖式脊柱钉棒固定钉,其特征是:由掀盖式钉头、球头骨钉、连接螺母、锁紧螺钉组成,掀盖式钉头由钉头座、上盖板和销钉组成,钉头座中间开有一个圆形凹槽,钉头座下面开有一个球头螺孔,钉头座一边带有销孔,另一边带有锁紧螺孔;上盖板通过销钉与钉头座连接,上盖板通过锁紧螺钉与钉头座固定;球头骨钉通过连接螺母连接在钉头座下面的球头螺孔中。 A clamshell spinal screw fixation nails, characterized in that: a clamshell stud, skull ball screw, a coupling nut, locking screw composition, the clamshell stud by a stud holder, and the cover plate pin composition, intermediate stud seat opening has a circular recess, the screw head is opened below the seat a ball screw, stud seat side with a pin hole on the other side with a locking screw; by a pin on the cover plate nail head is connected to the base, the cover plate is fixed by a locking screw and screw head seat; staple skull ball nut connected by connecting stud base following the ball screw.
  2. 2. 根据权利要求1所述的掀盖式脊柱钉棒固定钉,其特征还在于是:所述球头骨钉的钉体中带有纵向孔。 1 according to the clamshell said spinal screw fixation nail claim, further characterized by then: the nail body with a ball skull longitudinal bore of the nail.
  3. 3. 根据权利要求1所述的掀盖式脊柱钉棒固定钉,其特征还在于是:所述球头骨钉的钉体中带有侧孔,侧孔与纵向孔连通。 1 3. The clamshell spinal screw fixation nail according to claim, further characterized by then: the nail body with a ball skull side of the nail hole, the side hole communicating with the longitudinal bore.
  4. 4. 根据权利要求1所述的掀盖式脊柱钉棒固定钉,其特征还在于是:所述球头骨钉中的纵向孔的上端带有螺纹。 1 according to the clamshell said spinal screw fixation nail claim, further characterized by then: the upper end of the longitudinal bore of said ball is threaded skull nail.
CN 200720178242 2007-09-28 2007-09-28 Flip type spine nail and stick fixing nail CN201085681Y (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8133262B2 (en) 2006-04-28 2012-03-13 Depuy Spine, Inc. Large diameter bone anchor assembly
US8361123B2 (en) 2009-10-16 2013-01-29 Depuy Spine, Inc. Bone anchor assemblies and methods of manufacturing and use thereof
US8361129B2 (en) 2006-04-28 2013-01-29 Depuy Spine, Inc. Large diameter bone anchor assembly
CN104434290A (en) * 2014-12-06 2015-03-25 昆明医科大学第二附属医院 Low-profile pedicle screw adopting flexible connection way

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8133262B2 (en) 2006-04-28 2012-03-13 Depuy Spine, Inc. Large diameter bone anchor assembly
US8361129B2 (en) 2006-04-28 2013-01-29 Depuy Spine, Inc. Large diameter bone anchor assembly
US8361123B2 (en) 2009-10-16 2013-01-29 Depuy Spine, Inc. Bone anchor assemblies and methods of manufacturing and use thereof
US9161782B2 (en) 2009-10-16 2015-10-20 DePuy Synthes Products, Inc. Bone anchor assemblies and methods of manufacturing and use thereof
CN104434290A (en) * 2014-12-06 2015-03-25 昆明医科大学第二附属医院 Low-profile pedicle screw adopting flexible connection way
CN104434290B (en) * 2014-12-06 2016-08-17 昆明医科大学第二附属医院 One kind of a flexible connection pedicle screw Low Profile

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