CN103070725A - Minimally invasive extension jib pedicle screw - Google Patents

Minimally invasive extension jib pedicle screw Download PDF

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Publication number
CN103070725A
CN103070725A CN 201310011605 CN201310011605A CN103070725A CN 103070725 A CN103070725 A CN 103070725A CN 201310011605 CN201310011605 CN 201310011605 CN 201310011605 A CN201310011605 A CN 201310011605A CN 103070725 A CN103070725 A CN 103070725A
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minimally invasive
connector
arm
provided
extension jib
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CN 201310011605
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Chinese (zh)
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张文志
胡志勇
黄锡艺
李洪艳
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北京市富乐科技开发有限公司
张文志
胡桓宇
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Abstract

The invention relates to a minimally invasive extension jib pedicle screw, which belongs to the field of medical equipment. The minimally invasive extension jib pedicle screw consists of a minimally invasive screw body (1), a minimally invasive extension jib connector (2), an opening press block (3) and a connecting screw plug (4), and is characterized in that the minimally invasive screw body (1) consists of a threaded part and a ball head part, is provided with a central through hole, the ball head part is provided with an internal hexagon, and the outer surface of the minimally invasive screw body (1) is provided with symmetrical flat surfaces; and the minimally invasive extension jib connector (2) is in a hollow structure, the left head part of the minimally invasive extension jib connector is provided with threads, the left head part of the minimally invasive extension jib connector is provided with spherical surfaces inside and outside, the surface of the minimally invasive extension jib connector is provided with an annular groove, the right end of the minimally invasive extension jib connector is provided with symmetrical opening grooves, and the middle part of the minimally invasive extension jib connector is provided with a U-shaped groove. After percutaneous puncture positioning, drilling and bearizing, the minimally invasive extension jib pedicle screw is embedded, penetrates into a spinal column bar and is pre-bent to meet the requirement of an operation, the screw plug is tightened, distraction reduction is carried out, and the screw plug is tightened to a final locking state to realize the function of stable fixation.

Description

微创加长臂椎弓根钉 Plus the long arm of minimally invasive pedicle screw

技术领域 FIELD

[0001] 本发明涉及一种微创加长臂椎弓根钉,属于医疗器械领域。 [0001] The present invention relates to a minimally invasive pedicle screw extension arm, which belongs to the surgical field.

背景技术 Background technique

[0002] 手术的微创化、功能化和智能化是现代外科技术的标志,也是未来外科技术的发展方向,脊柱微创外科技术是将传统脊柱手术与微创技术相结合,以期达到减少手术对患者的创伤、减轻患者术后的伤痛不适,缩短卧床和住院时间,加速患者术后功能的康复,并努力保持脊柱正常解剖结构的完整性,从而达到术后保留脊柱正常生理功能的最高目标,然而,脊柱微创手术不仅需要先进的仪器设备的辅助与支撑,而且还要求术者具有很高的触觉敏感度,空间辨别能力、以及能够通过狭窄的工作管道熟练操作的能力,特别是脊柱前方比邻重要的神经、血管和脏器,这就给脊柱前路微创手术的开展带来极大的技术困难与挑战。 [0002] minimally invasive surgery, functional and intelligent is a sign of modern surgical techniques, but also the future direction of development of surgical techniques, minimally invasive spine surgery technique is to combine traditional spine surgery and minimally invasive techniques in order to achieve reduction surgery trauma patients and reduce postoperative pain discomfort, shorter hospital stay in bed and accelerate the rehabilitation of patients with postoperative function, and efforts to maintain the integrity of the normal anatomy of the spine, so as to achieve the normal function of the spine after surgery to retain the highest goal, however, minimally invasive spine surgery not only need the support and assistance of advanced equipment, but also requires the surgeon has a high tactile sensitivity, spatial discrimination capability, and the ability to be able to work through the narrow pipe proficiency, especially front of the spine near important nerves, blood vessels and organs, which brings great technical difficulties and challenges to carry out the road in front of the spine minimally invasive surgery.

[0003] 经皮椎弓根螺钉固定技术和经皮通道操作技术的微创手术,这类手术最大程度的避免了椎旁肌的剥离,减小手术创伤,且应用范围广泛,可以治疗巨大的腰椎间盘突出或脱出,腰椎管狭窄,脊柱侧弯畸形等等,经皮通道技术手术视野比椎间盘镜开阔,可以应用常规手术器械,医生容易操作掌握,经皮椎弓根螺钉固定系统是在术中透视的引导下操作完成,创伤小,精度高,因此,这类手术是国内外比较主流的微创手术方式,用这种方式治疗腰椎间盘突出症,腰椎管狭窄症病例,病人术后普遍的反应是,疼痛小,术后引流少,恢复快。 [0003] minimally invasive surgery and percutaneous pedicle screw fixation technique of percutaneous passage, such procedures avoid the greatest degree of peeling paraspinal muscle, reduced surgical trauma, and the wide range of applications, can be treated enormous lumbar disc herniation or prolapse, lumbar spinal stenosis, scoliosis and the like, the percutaneous surgery technical field of view than the channel open discectomy, conventional surgical instruments may be applied, easy to grasp the doctor, percutaneous pedicle screw fixation system is in operation operation is completed under the guidance of fluoroscopy, trauma, high precision, and therefore, this type of surgery is more mainstream domestic and minimally invasive surgical manner, lumbar disc herniation in this way, lumbar spinal stenosis patients, postoperative generally the reaction is little pain, less postoperative drainage, and rapid recovery.

[0004] 我国微创脊柱外科技术起步较晚,微创脊柱外科技术已经在我国迅猛发展,但微创脊柱外科技术开展不平衡。 [0004] of minimally invasive spine surgery technology started late, minimally invasive spine surgery technology has been rapid development in China, but minimally invasive spinal surgical techniques to carry out the imbalance.

发明内容 SUMMARY

[0005] 本发明提供一种手术创伤小、操作简便的微创加长臂椎弓根钉。 [0005] The present invention provides a minimally invasive procedure, a minimally invasive operation simple extension arm pedicle screw.

[0006] 本发明的技术方案如下: [0006] aspect of the present invention is as follows:

[0007] 微创加长臂椎弓根钉由微创钉体⑴、微创加长臂连接器(2)、开口压块⑶、连接螺塞⑷组成,其特征在于:微创钉体⑴由螺纹部分和球头部分组成,中心通孔,球头处有内六方,外表面有对称扁平面;微创加长臂连接器(2)为中空结构,左端头部有螺纹,左端头部内外均有球面,表面有环形凹槽,右端有对称开口槽,中部有U型槽。 [0007] Minimally invasive pedicle screw ⑴ extension boom body by a minimally invasive nail, minimally invasive long arm connector (2), the opening compact ⑶, ⑷ plug connection, and is characterized in that: invasive nail by a threaded body ⑴ the head portion and the ball part, a central through hole, a hexagonal ball head at the inner and outer surfaces of the flat plane of symmetry; minimally invasive elongated arm connector (2) has a hollow structure, the left end of the head is threaded, both inside and outside the left end of the head portion a spherical surface with an annular groove, open slot right symmetry, the central U-shaped groove.

[0008] 微创钉体(I)球头部分有对称扁平面,且与开口压块(3)连接,使微创加长臂椎弓根钉实现径向运动,及左右微动效果,钉体采用空心设计,联合导针植入钉体,使钉体植入方位更加精准,满足经皮微创手术要求。 [0008] (I) a ball head portion invasive nail body having a flat plane of symmetry, and is connected to the compact opening (3), minimally invasive pedicle screw to achieve the long arm radial movement and fretting about the effect of the staple body use of hollow design, the joint body implantable staple guide pins, staples more accurate implant position, meet the requirements of percutaneous minimally invasive surgery.

[0009] 微创加长臂连接器(2)臂长85mm,手术时钉臂能够露出体表,使医生能够直观的观察及调整植棒走势,使植棒过程更加简单精确,实现经皮微创手术。 [0009] Minimally invasive elongated arm connector (2) arm length 85mm, surgical staples when the arm body can be exposed, and enables the surgeon to observe movements intuitive adjustment rod implant, implant rod so accurate process easier to achieve Percutaneous surgery. 微创加长臂连接器 Minimally invasive extension boom connector

(2)相对于微创钉体(I)只能在连接棒径向平面内摆动,摆动角度为-25°〜+25°,这一独特设计在手术过程当中既能便于放棒,又能克服普通万向钉在进行椎体撑开和加压时出现高度丢失及假撑开、加压的现象,它把万向钉便于放棒和单轴钉在撑开、加压时高度不丢失的优点集合在一起,臂尾部采用封闭设计,避免钉臂胀开,使螺纹精度更高,配合更加紧密,锁棒更加紧固,更便于手术操作。 (2) with respect to minimally invasive nail (I) is only connected to the radial plane of the pivot rod, the swing angle of -25 ° ~ + 25 °, this unique design which facilitates both the discharge rods procedure, but overcome common universal staple height loss and false distraction, pressurized phenomenon occurs when the vertebral body distraction and pressure during which the universal nail bar and uniaxial easy to put the nail in distraction, height is not lost when the pressure advantages together, closed design using the tail arm, avoiding the arm expansion nail opening, the threaded higher precision, with the closer, more secured lock bar, more facilitate the surgical procedure.

[0010] 开口压块(3)中心通孔,其孔中部有球状面,上端面有弧形开槽。 [0010] compact opening (3) a central through hole, middle hole and the spherical surfaces thereof, the upper end arcuate slot.

[0011] 通过X线透视或导航系统实施固定手术,确定手术位置、确定微创加长臂椎弓根钉及脊柱棒的数量,在X线透视或导航系统的引导下实施手术:经皮穿刺定位,利用微创器械钻孔、扩孔,植入微创加长臂椎弓根钉,穿入脊柱棒并预弯至手术要求,拧紧连接螺塞 [0011] X-ray by a navigation system or fixation embodiments, the surgical site is determined, determining the long arm of minimally invasive pedicle screw and the spinal rod number, surgery under X-ray guidance or navigation system: positioning percutaneous using minimally invasive instruments drilling, reaming, the long arm of minimally invasive pedicle screw implants, and spinal rod benders penetrate to surgical requirements, tighten the connector plug

(4),根据临床需求实施撑开复位,拧紧连接螺塞(4)至最终锁紧状态,实现稳定固定的功倉泛。 (4), according to clinical need embodiment distraction reduction, tighten the connector plug (4) to a final locked state, a stable work positions fixed pan.

[0012] 本发明在手术过程中,手术切口小,保护肌肉及韧带在脊柱上的正常附着,不需要暴露脊柱,安全、精确的植入体内。 [0012] The present invention during surgery, a small incision, the normal protection of muscles and ligaments attached to the spine, the spine need not exposed, safe and precise implantation in vivo.

[0013] 本发明在形态学上具有可行性,各部件参数有一定的选取范围,能够重建椎体的稳定性,安全牢靠、操作简便、符合脊柱解剖结构的新型内固定系统,适宜于骨科临床推广应用。 [0013] The present invention has the morphology in viability, certain of the components of the selection parameters can reconstruct vertebral stability, safety reliable, easy to operate, in line with the new internal fixation of the spine anatomy, suitable for orthopedics application. 附图说明 BRIEF DESCRIPTION

[0014] 图1为本发明的微创加长臂椎弓根钉钉结构图。 [0014] FIG 1 minimally invasive pedicle extension boom staple structural diagram of the present invention.

[0015] 图2为本发明的微创钉体⑴结构图。 [0015] FIG invasive ⑴ staple body structure 2 of the present invention. FIG.

[0016] 图3为本发明的开口压块⑵结构图。 [0016] FIG opening 3 compact ⑵ structure of the present invention.

[0017] 图4为本发明的加长臂连接器(3)的主视图。 [0017] FIG 4 long arm connector (3) is a front view of the present invention.

[0018] 图5为本发明的加长臂连接器(3)的俯视图。 [0018] FIG. 5 connected to the long arm (3) is a plan view of the present invention.

具体实施方式 detailed description

[0019] 下面结合附图对本发明作进一步说明。 [0019] The following drawings in conjunction with the present invention will be further described.

[0020]1.术前准备:手术时需要在X线透视或导航系统的帮助下完成,麻醉、椎体复位; [0020] 1 preoperative preparation: complete with the help of X-ray or a navigation system, anesthesia during surgery, vertebra reduction;

[0021] 2.确定螺钉手术位置:经皮插入导针并固定; [0021] 2. Determine the position of the surgical screw: percutaneously inserting and fixing the guide pin;

[0022] 3.通道准备:拔出导针,行手术小切口; [0022] 3. Channel preparation: pull out the needle guide, surgical incision;

[0023] 4.钻孔、扩孔、攻丝; [0023] 4. drilling, reaming, tapping;

[0024] 5.拧入螺钉; [0024] The screw screwed;

[0025] 6.植入棒体、预弯并临时固定,通过透视或小的微型拉钩确认棒位于加长臂连接器⑶的长尾槽内后,拧紧连接螺塞⑷; [0025] 6. The implant rods, pre-bending and temporarily fixed, through a small micro or fluoroscopy to confirm retractor rod connector located in the long arm ⑶ long tail groove, the tightening of the attachment plug ⑷;

[0026] 7.椎体撑开复位,然后再撑开状态下,拧紧另外一端的连接螺塞(4),最终锁紧棒体; [0026] 7. The reset vertebral distraction, and then softened state, is connected to the other end screwed plug (4), and finally the locking rod;

[0027] 8.用断臂器将螺钉长臂折断,通过透视了解手术复位情况。 [0027] 8. A screw with a long arm the arm is broken, to understand the operation reset condition by fluoroscopy.

Claims (4)

  1. 1.微创加长臂椎弓根钉由微创钉体(I)、微创加长臂连接器(2)、开口压块(3)、连接螺塞⑷组成,其特征在于:微创钉体⑴由螺纹部分和球头部分组成,中心通孔,球头处有内六方,外表面有对称扁平面;微创加长臂连接器(2)为中空结构,左端头部有螺纹,左端头部内外均有球面,表面有环形凹槽,右端有对称开口槽,中部有U型槽。 1. a minimally invasive pedicle screw extension arm nail body (the I), minimally invasive long arm connector (2), compact opening (3), plug connections ⑷ composition, wherein: invasive nail body ⑴ a threaded portion and a head portion composed of a ball, a central through hole, a hexagonal ball head at the inner and outer surfaces of the flat plane of symmetry; minimally invasive elongated arm connector (2) has a hollow structure, the screw head has a left end, the left end of the head both inside and outside a spherical surface with an annular groove, open slot right symmetry, the central U-shaped groove.
  2. 2.根据权利要求1所述的微创加长臂椎弓根钉,其特征在于,所述的微创钉体(I)球头部分有对称扁平面,且与开口压块(3)连接,使微创加长臂椎弓根钉实现径向运动,及左右微动效果,钉体采用空心设计,联合导针植入钉体,使钉体植入方位更加精准,满足经皮微创手术要求。 The extension arm as claimed in claim minimally invasive pedicle screw of claim 1, wherein, (the I) the ball portion of the minimally invasive nail body having a flat plane of symmetry, and is connected to the compact opening (3), minimally invasive pedicle screw to achieve radial extension arm movement and fretting about the effect of the staple body with a hollow design, the joint body implantable staple guide pins, staples more accurate implant position, meet the requirements of percutaneous minimally invasive surgery .
  3. 3.根据权利要求1所述的微创加长臂椎弓根钉,其特征在于,所述的微创加长臂连接器(2)臂长85_,手术时钉臂能够露出体表,使医生能够直观的观察及调整植棒走势,使植棒过程更加简单精确,实现经皮微创手术。 The long arm of minimally invasive pedicle screw according to claim 1, wherein said elongated arm invasive connector (2) arm length 85_, surgical staples when the arm body can be exposed, enabling the physician to visual observation and adjustment implant rod movement, so that implant rod accurate process easier to achieve percutaneous minimally invasive surgery. 微创加长臂连接器(2)相对于微创钉体(1)只能在连接棒径向平面内摆动,摆动角度为-25°〜+25°,这一独特设计在手术过程当中既能便于放棒,又能克服普通万向钉在进行椎体撑开和加压时出现高度丢失及假撑开、加压的现象,它把万向钉便于放棒和单轴钉在撑开、加压时高度不丢失的优点集合在一起,臂尾部采用封闭设计,避免钉臂胀开,使螺纹精度更高,配合更加紧密,锁棒更加紧固,更便于手术操作。 Minimally invasive elongated arm connector (2) with respect to minimally invasive nail body (1) can only be connected to the pivot rod to a radial plane, the swing angle of -25 ° ~ + 25 °, in which both the unique design procedure easy to put a stick, but also overcome the height loss and false distraction, pressurized phenomenon occurs when the vertebral body distraction and universal ordinary pressure nail making it easy to put the nail bar and universal uniaxial nailed distraction, highly pressurized lost advantages together, closed design using the tail arm, avoiding the arm expansion nail opening, the threaded higher precision, with the closer, more secured lock bar, more facilitate the surgical procedure.
  4. 4.根据权利要求1所述的微创加长臂椎弓根钉,其特征在于,所述的开口压块(3)中心通孔,其孔中部有球状面,上端面有弧形开槽。 According to claim minimally invasive pedicle screw of the extension arm 1, wherein said opening pressure piece (3) a central through hole, middle hole and the spherical surfaces thereof, the upper end arcuate slot.
CN 201310011605 2013-01-14 2013-01-14 Minimally invasive extension jib pedicle screw CN103070725A (en)

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CN105213009A (en) * 2015-10-30 2016-01-06 北京市富乐科技开发有限公司 Minimally invasive double-screw-plug screw

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CN202198670U (en) * 2011-08-12 2012-04-25 贺新宁 Pedicle screw
CN202365904U (en) * 2011-10-20 2012-08-08 张西峰 Long-tail autotomy pedicle screw
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CN1965769A (en) * 2005-10-12 2007-05-23 比德曼莫泰赫有限公司 Bone anchoring device
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CN102090920A (en) * 2011-03-21 2011-06-15 丁亮华 Universal micrometer pedicle screw
CN202122605U (en) * 2011-05-27 2012-01-25 山东威高骨科材料有限公司 Universal minimally-invasive reset vertebral pedicle nail
CN202198670U (en) * 2011-08-12 2012-04-25 贺新宁 Pedicle screw
CN202365904U (en) * 2011-10-20 2012-08-08 张西峰 Long-tail autotomy pedicle screw

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105213009A (en) * 2015-10-30 2016-01-06 北京市富乐科技开发有限公司 Minimally invasive double-screw-plug screw

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