CN101869506A - Cervical pedicle screw alignment apparatus - Google Patents

Cervical pedicle screw alignment apparatus Download PDF

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Publication number
CN101869506A
CN101869506A CN 201010237864 CN201010237864A CN101869506A CN 101869506 A CN101869506 A CN 101869506A CN 201010237864 CN201010237864 CN 201010237864 CN 201010237864 A CN201010237864 A CN 201010237864A CN 101869506 A CN101869506 A CN 101869506A
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China
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provided
pedicle screw
angle adjusting
rod
cervical
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CN 201010237864
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Chinese (zh)
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CN101869506B (en
Inventor
张在青
张晓霞
徐兆万
朱艳艳
王春雷
门阔业
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徐兆万
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Publication of CN101869506B publication Critical patent/CN101869506B/en

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Abstract

The invention discloses a cervical pedicle screw alignment apparatus. The apparatus comprises a spinous process clamp and a connecting rod fixedly arranged on the spinous process clamp; the other end of the connecting rod is provided with a connecting plate; an angle adjusting rod is hinged on the connecting plate; a guide rod is inserted into the angle adjusting rod; the angle adjusting rod is also connected with a locking angle adjusting rod and a locking device for the guide rod; the guide rod is connected with an open-circuit conical cylinder into which an open-circuit cone is inserted; and the angle adjusting rod is also provided with an annular table and a sleeve gasket sleeved on the annular table, the sleeve gasket is axially and glidingly connected with the annular table, and the lateral surface of the sleeve gasket is provided with angle marking lines. The cervical pedicle screw alignment apparatus has the advantages of simple structure and convenient operation, can accurately position a pedicle screw implanting angle, and greatly improves the success rate of operation.

Description

颈椎椎弓根钉瞄准器 Cervical pedicle screw sight

技术领域 FIELD

[0001] 本发明属于颈椎手术用器具领域,具体是一种颈椎椎弓根钉瞄准器。 [0001] The present invention belongs to the field of cervical spine surgery instrument, in particular a sight of cervical pedicle screw. 背景技术 Background technique

[0002] 随着颈椎病治疗技术的发展,颈椎后路固定技术在脊柱外科越来越多的被采用。 [0002] With the development of cervical disease treatment technology, cervical posterior fixation techniques are increasingly being adopted in spinal surgery. 目前常采用的技术有两种:1、侧块螺钉固定技术;2、椎弓根钉固定技术。 Often used in the current technology in two ways: 1, lateral mass screw fixation; 2, pedicle screw fixation. 采用侧块螺钉固定存在的缺点是:其固定力臂短,生物力学固定强度不高,三维矫形及固定效果不佳。 Disadvantage with lateral mass screws present are: a short arm which is fixed, stationary biomechanical strength is not high, and poor dimensional orthopedic anchor effect. 越来越多的临床医生采用椎弓根钉固定技术,由于颈椎椎弓根较细及其复杂的毗邻关系,徒手植入椎弓根钉时植入角度不易把握,因而手术风险大、难度高;现有采用计算机导航技术进行椎弓根钉的植入,但其价格昂贵,一般医院无法配备此设备或患者难以承担其高昂费用。 More and more clinicians using pedicle screw fixation, due to the cervical spine fine and complex adjacent relationship, when unarmed implanted pedicle screw implantation angle is not easy to grasp, and thus a large surgical risk, difficult ; existing navigation using computer technology to implant pedicle screw, but its price is expensive, the general hospital or the patient can not be equipped with this device is difficult to bear the high cost.

发明内容 SUMMARY

[0003] 本发明要解决的技术问题是提供一种颈椎椎弓根钉瞄准器,使用该瞄准器辅助进行椎弓根钉的植入,其结构简单、定位准确。 [0003] The present invention is to solve the technical problem of providing a cervical pedicle screw sight, the sight assisted using pedicle screw implant, the structure is simple, accurate positioning.

[0004] 为解决上述技术问题,提供了如下结构的颈椎椎弓根钉瞄准器:其包括棘突夹钳及固装在棘突夹钳上的连接杆,连接杆的另一端装有连接板,连接板上铰装有角度调节杆, 角度调节杆上插装有可滑动、可转动的导杆,角度调节杆上还连接有锁定角度调节杆和导杆的锁紧装置,导杆上连接有供开路锥插入的开路锥筒。 [0004] To solve the above problem, a cervical pedicle screw sight structure: comprising spinous process clamp and the connecting rod is secured to the spinous process clamp, the other end of the connecting rod with the connecting plate , the hinge is equipped with an angle adjusting rod connecting plate, angle adjusting rod is inserted with a guide rod slidably rotatable, the angle adjusting lever is also connected to the locking lever and the locking device angle adjusting guide bar, guide rod connection there are open for the insertion of the tapered cone open.

[0005] 采用上述结构后,在进行椎弓根钉的植入手术时,通过棘突夹钳夹住邻位棘突,按照术前CT检查提供的椎弓根外展角和矢状角,旋转角度调节杆调整导杆与椎管轴心线的角度与椎弓根外展角和矢状角的角度相适应,再通过锁紧装置锁定角度调节杆和导杆,采用王东来法选取进针点,并通过滑动导杆将开路锥的锥端置于进针点处,通过开路锥进行钻孔,探针检测钻孔无误后即可置入椎弓根钉。 [0005] With the above construction, during implantation of pedicle screw, by sandwiching ortho spinous spinous clamp, according to the abduction angle extrapedicular preoperative CT scan angle and sagittal provided, adjusting the rotation angle of the angle adjusting lever and the guide lever and the spinal pedicle axis line angle and the abduction angle adapted sagittal angle adjusting lever and the guide lever through the locking means further locking angle, using the method to select the needle Wang point, and the guide rod by sliding the open end of the cone taper is placed at the entry point, to pedicle screw placement and correct drilling after drilling, cone probe is detected by an open circuit. 该瞄准器结构简单、操作方便,能准确进行椎弓根钉植入角度的定位,大大提高了手术成功率。 The sight of simple structure, convenient operation, accurate positioning of the pedicle screw implantation angle, greatly improving the success rate.

[0006] 作为本发明的改进,导所述角度调节杆上设有环台及套装在环台上的套垫,套垫与环台轴向滑动连接,套垫的侧面上设有角度标示线,可通过角度标示线准确读出导杆与椎管轴心线的夹角,使之与椎弓根外展角和矢状角的角度相适应。 [0006] As an improvement of the invention, the angle adjusting rod with the guide ring and the table set in the ring stage encased mat, pad sleeve ring axially slidably connected station, provided with an angle marking line on the side of the pad cover , the angle of the marking line can accurately read the angle between the guide rod and the axis line of the canal, so that the sagittal pedicle angles of abduction and angle of the angle fit.

[0007] 环台的外侧面和套垫的内侧面键连接,从而实现套垫与环台轴向滑动连接且环台 [0007] and an outer side surface of the ring station sets inner surface bond pad, a pad to achieve sleeve axially slidably attached to a ring and the ring station sets

与套垫一起转动。 Sleeve rotates together with the pad.

[0008] 作为本发明的进一步改进,所述连接板上设有长条孔,所述角度调节杆插装在长条孔中,此插装结构既可实现角度调节杆与连接板的铰装,还可以调整角度调节杆与颈椎之间的距离,以便于角度调节杆上设置的导杆远离或移向颈椎椎弓根部位,更好的实现开路锥的插入钻孔。 [0008] As a further improvement of the invention, the connecting plate is provided with elongated holes, the angle adjusting lever inserted in the elongated hole, this structure can achieve the insertion of the connector plate angle adjusting lever pivotally mounted , can also adjust the angle adjustment lever and the distance between the cervical spine, to adjust the guide bar or rod disposed remote from the portion toward the cervical spine, to achieve better in the open borehole insertion angle of the cone.

[0009] 导杆的一端部设有与导杆轴线正交的长筒,所述开路锥筒插装在长筒内,长筒上设有锁定开路锥筒插入深度的锁紧螺栓。 [0009] One end portion of the shaft guide bar provided orthogonal to the axis of the guide bar, the open insertion cone in the shaft, the shaft is provided with a locking cone open the lock bolt insertion depth.

[0010] 作为棘突夹钳的一种具体结构形式,所述棘突夹钳包括铰接在一起的左钳杆和右钳杆,左、右钳杆的前端对应设有钳口、后端设有卡紧装置。 [0010] As a specific structural form of the spinous process clamp, the clamp including a left spinous processes and right clamp rod clamp lever hinged together, the front end of the corresponding left and right jaws clamp rod is provided, a rear end provided there are clamping means.

[0011] 作为本发明的进一步改进,左钳杆上设有铰轴,右钳杆上设有两个铰孔,绞孔内安装有止回板,铰轴的端部设有止回台,可以通过铰轴与不同位置绞孔的配合来实现钳口的大小,从而使该棘突夹钳适用于不同大小的颈椎。 [0011] As a further improvement of the present invention, the clamp rod is provided with a left hinge shaft and right hinge clamp rod is provided with two holes, the end portion of the hole cutter is mounted with a non-return plate, the hinge shaft is provided with a check station, the size of the jaws may be achieved by blending different positions twisted hinge shaft hole, so that the clamp is suitable for the cervical spinous processes of different sizes.

[0012] 所述卡紧装置包括铰接在左钳杆上的卡紧杆和右钳杆端部设置的止退凸起,卡紧杆的内侧表面上设有与止退凸起配合的止退齿纹。 [0012] The clamping device comprises a retaining projection in the left hinged clamp rod chucking lever and the right end portion of the clamp rod, provided on the inner surface of the card with the retaining rod tight-fitting retaining projection tooth pattern.

[0013] 所述锁紧装置为螺接在角度调节杆上的锁紧螺母。 [0013] The locking means is a threaded lock nut in the angle adjusting lever.

附图说明 BRIEF DESCRIPTION

[0014] 下面结合附图对本发明作进一步的说明: 图1为本发明的结构示意图; 1 a schematic configuration diagram of the present invention;: [0014] DRAWINGS The present invention will be further described

图2为图1中右视方向的示意图。 FIG 2 is a schematic view of FIG. 1 in a right direction.

具体实施方式 Detailed ways

[0015] 如附图所示的颈椎椎弓根钉瞄准器,其包括连接杆1,连接杆1的一端固装有棘突夹钳2、另一端装有连接板3,棘突夹钳2能起到固定并定位该瞄准器与颈椎之间相对位置的作用,因此其可采用不同的结构形式,在本发明的实施例中,棘突夹钳2包括铰接在一起的左钳杆21和右钳杆22,左、右钳杆的前端对应设有钳口、后端设有卡紧装置,钳口的形状如图1中所示,特别适用于夹紧椎体。 [0015] The sight cervical pedicle screw shown in the drawings, which comprises a connecting rod, one end of the connecting rod 1 with a solid clamp spinous process 2, the other end of the link plate 3 is equipped with, the spinous process gripper 2 can play a role of positioning and fixing a relative position between the sight and cervical vertebrae, therefore different structural forms may be employed, in the embodiment of the present invention, the clamp 2 includes a left spinous processes clinch lever 21 hinged together and Right clamp lever 22, the left and right corresponding to the tip of the rod is provided with clamp jaws, the clamping device is provided with a rear end, the shape of the jaws shown in Figure 1, is particularly suitable for clamping the vertebral body. 左钳杆21上设有铰轴23,右钳杆22上设有两个铰孔24,绞孔24内安装有止回板26,铰轴23的端部设有止回台25。 Clinch lever 21 is provided on the left hinge shaft 23, the right clamp rod is provided with two hinge holes 24, 24 is mounted with a twisted hole 26 on the retainer plate 22, the end portion of the hinge shaft 23 is provided with a check table 25. 上述卡紧装置包括铰接在右钳杆22上的卡紧杆27和左钳杆21端部设置的止退凸起29,卡紧杆27的内侧表面上设有与止退凸起29配合的止退齿纹28。 Said engaging means includes a card on a lever 22 hinged on the right jaw tightening clamp lever 27 and the left end portion of the rod 21 of retaining projection 29 is provided, the clamping lever 27 is provided on the inside surface of the retaining projection 29 with the retaining tooth pattern 28. 上述连接板3上铰装有角度调节杆7,角度调节杆上装有可滑动、可转动的导杆4,该角度调节杆的作用是调整导杆的三维角度,在本发明给出的最佳实施例中,连接板3上设有长条孔11,角度调节杆7插装在长条孔11中,角度调节杆7的一端设有供导杆4插装的通孔、另一端设有锁定角度调节杆和导杆的锁紧装置,导杆4的截面为圆形且上述通孔为圆形,因而导杆4可沿导杆的轴线方向滑动,也可围绕该轴线自转,导杆4插装在角度调节杆7后,角度调节杆7转动时,可驱使导杆4沿角度调节杆的轴线转动,该锁紧装置可以为螺接在角度调节杆7上的锁紧螺母8,角度调节杆7上还设有环台9及套装在环台9上的套垫10,套垫10与环台9轴向滑动连接,套垫10的侧面上设有角度标示线,角度标示线未在图中示出,其沿角度调节杆7的轴线方向标识在套垫10的侧面上,环台9的外侧 Said coupling plate 3 with hinge angle adjusting lever 7, with the angle adjusting lever slidably rotatable guide rods 4, the angle adjusting lever in a three dimensional angular adjustment of the guide bar, is preferred in the present invention are given embodiment, the connecting plate 3 is provided with elongated holes 11, the angle adjusting lever 7 inserted in the elongated hole 11, one end of the angle adjusting lever 7 is provided with holes for the insertion of the guide bar 4, and the other end is provided with locking angle adjusting lever and the guide bar locking means, guide rod 4 is a cross-sectional circular and the through hole is circular, the guide rods 4 and therefore may be slid along the axial direction of the guide bar can also be about the axis of rotation, the guide rod 4 inserted in the angle adjusting lever 7, the angle adjusting lever 7 is rotated, the guide rod 4 can be driven along the axis of rotation of the angle adjusting lever, the locking means may be adjustable locknut 78 screwed rod angle, angle adjusting lever 7 also has a ring 9 and the table set in the ring 10 on the pad sets 9, sleeve 10 slidably connected to the pad ring 9 axially station, sets the angle of the pad is provided on the side surface 10 of the marking line, the marking line angle not shown in the drawings, along the axial direction of the angle adjusting lever 7 is identified in the sleeve 10 on the side of the pad, the outer ring 9 of the table 和套垫10的内侧面键连接,上述锁紧装置是这样锁定角度调节杆和导杆的:调整好导杆4的位置和角度后,旋拧锁紧螺母8,环台9在套垫10内向连接板3的方向滑动,此时导杆4逐渐贴近套垫10的端面,旋拧到位时,导杆4紧贴在套垫10的端面上,环台9的一端面贴靠在连接板3上,此时角度调节杆7不能转动、导杆4也不能转动和滑动,即实现锁定过程。 Bond pad and the sleeve 10 is connected to the inner side surface, said locking means is a locking angle adjusting lever and the guide bar: after adjusting the position and angle of the guide bar 4 of the good, the lock nut 8 is screwed, the ring 9 in the table pad 10 sets inward direction of the slide link plate 3, then the guide rod 4 gradually close to the end face 10 of the pad cover, when screwed into place, the guide rod 4 against the end face 10 of the sleeve pad, a table surface 9 of the ring abuts web 3, when the angle adjusting lever 7 can not be rotated, the guide rod and the slide 4 can not be rotated, i.e. to achieve locking process. 导杆4的一端部设有与导杆4轴线正交的长筒12,长筒12内插装有开路锥筒5,长筒12上设有锁定开路锥筒5插入深度的锁紧螺栓13,开路锥筒5上插装有开路锥6,开路锥6的端部设有手柄球14。 One end portion of the guide rod 4 is provided with the shaft 4 perpendicular to the axis of the guide rod 12, the shaft 12 is inserted with the open cone 5, a locking cone 5 is inserted into the open depth of the shaft 12 on the locking bolt 13 , with the open cone 6 is inserted on the open cone 5, the open end of the cone portion 6 of the ball 14 is provided with a handle.

[0016] 本发明的使用过程如下:在进行椎弓根钉的植入手术时,通过棘突夹钳2夹住邻位棘突,可根据不同患者的颈椎大小不同将铰轴23插入至不同的铰孔24中,从而调整钳口适用于不同大小的颈椎,按照术前CT检查提供的椎弓根外展角和矢状角,首先抽动导杆4 使其端部安装的开路锥筒位于需要手术的颈椎位置,再转动导杆4,此时导杆4的转动是以角度调节杆7的轴线为轴,导杆转动时通过环台9与套垫10的配合带动套垫也随之转动, 通过读取套垫10外侧面上的角度标示线,确定转动角度使之与椎弓根外展角角度相适应, 采用王东来法选取进针点,让导杆4围绕自身轴线稍微转动并通过滑动开路锥筒将开路锥的锥端置于进针点处,通过锁紧螺母8锁紧,通过开路锥进行钻孔,探针检测钻孔无误后即可置入椎弓根钉。 [0016] Using the process of the present invention is as follows: during implantation of pedicle screw, the clamp 2 by sandwiching the spinous process ortho spinous process, may be inserted into the hinge shaft 23 in accordance with different sizes of cervical different patients different the hinge hole 24, thereby adjusting the jaws of different sizes suitable for the cervical spine, according to the abduction angle extrapedicular preoperative CT and sagittal angle to provide, first guide bar tic cone 4 so that the open end is located at the installation cervical surgery required position, and then turning guides 4, this time is the rotation angle of the adjusting lever 4 to the axis of the guide rod axis 7, driven by the guide bar 9 and the mating ring station sets pad 10 also will be rotated encased mat rotation angle of the marking line 10 by reading the sleeve outer side of the pad, so as to determine the rotation angle of the pedicle angles of abduction angle adapt, using the method of Wang to select the entry point so that the guide rod 4 is slightly rotated about its axis and the cones open by sliding the open end of the cone taper is placed at the needle point 8 by a lock nut, through the open cone drilling, the probe can be detected after drilling the pedicle screw placement is correct. 上述过程中,导杆4可沿角度调节杆7的轴线转动,也可沿自身轴线转动, 由于开路锥6与导杆4正交,因而可是实现开路锥锥端的三维移动定位,更加精确的确定椎弓根钉的植入角度。 The above process, the guide rod 4 rotatable rod 7 of the axis of adjustment along the angle, may be rotated along its axis, due to the open cone 6 perpendicular to the guide bar 4, thereby but three-dimensional movement positioning open awl end, a more accurate determination the pedicle screw implantation angle.

Claims (9)

  1. 一种颈椎椎弓根钉瞄准器,其特征是该瞄准器包括棘突夹钳(2)及固装在棘突夹钳(2)上的连接杆(1),连接杆(1)的另一端装有连接板(3),连接板(3)上铰装有角度调节杆(7),角度调节杆(7)上插装有可滑动、可转动的导杆(4),角度调节杆(7)上还连接有锁定角度调节杆(7)和导杆(4)的锁紧装置,导杆(4)上连接有供开路锥(6)插入的开路锥筒(5)。 One kind of sight cervical pedicle screw, characterized in that the sight comprises a spinous process gripper (2) and is secured to the spinous process clamp connection rod (1) on (2), connecting rod (1) to another end containing the connecting plate (3), the connecting plate (3) provided with the hinge angle adjusting lever (7), the angle adjusting lever (7) is inserted slidably fitted on the guide rod (4) is rotatable, the angle adjusting lever (7) is also connected with a locking angle adjusting lever (7) and the guide bar (4) of the locking device, is connected for an open cone (6) into the open cone (5) on the guide rod (4).
  2. 2.根据权利要求1所述的颈椎椎弓根钉瞄准器,其特征是:所述角度调节杆(7)上设有环台(9)及套装在环台(9)上的套垫(10),套垫(10)与环台(9)轴向滑动连接,套垫(10) 的侧面上设有角度标示线。 2. The pedicle screw according to claim cervical sight to claim 1, characterized in that: said angle adjusting lever (7) is provided on the ring stage (9) and set on a cushion ring set table (9) ( 10), sets of pads (10) sets the ring (9) axially slidably connected, sleeve pad (10) is provided with an angle marking line on the side.
  3. 3.根据权利要求2所述的颈椎椎弓根钉瞄准器,其特征是:环台(9)的外侧面和套垫(10)的内侧面键连接。 According to claim sight of the cervical pedicle screw 2, characterized in that: the outer ring side table (9) and sleeve pad (10) is connected to the inner side surface of the key.
  4. 4.根据权利要求2所述的颈椎椎弓根钉瞄准器,其特征是:所述连接板(3)上设有长条孔(11),所述角度调节杆(7 )插装在长条孔(11)中。 The sight cervical pedicle screw according to claim 2, characterized in that: said web is provided with elongated holes (11) (3), said angle adjusting lever (7) inserted in long Article apertures (11).
  5. 5.根据权利要求1所述的颈椎椎弓根钉瞄准器,其特征是:所述导杆(4)的一端部设有与导杆(4)轴线正交的长筒(12),所述开路锥筒(5)插装在长筒(12)内,长筒(12)上设有锁定开路锥筒(5)插入深度的锁紧螺栓(13)。 Cervical according to claim sight of the pedicle screw 1, characterized in that: said guide rod (4) is provided with an end portion of the guide bar (4) the shaft (12) perpendicular to the axis, the said open cone (5) inserted and attached to the shaft (12), the shaft (12) is provided with locking open cone (5) into the depth of the lock bolt (13).
  6. 6.根据权利要求1所述的颈椎椎弓根钉瞄准器,其特征是:所述棘突夹钳(2)包括铰接在一起的左钳杆(21)和右钳杆(22),左、右钳杆的前端对应设有钳口、后端设有卡紧装置。 Cervical according to claim sight of the pedicle screw 1, characterized in that: said clamp spinous process (2) comprises a left bar clamp (21) and the right caliper lever (22) hinged together, the left , corresponding to the tip of the right bar clamp jaws is provided, the rear end is provided with clamping means.
  7. 7.根据权利要求6所述的颈椎椎弓根钉瞄准器,其特征是:左钳杆(21)上设有铰轴(23),右钳杆(22)上设有两个铰孔(24),绞孔(24)内安装有止回板(26),铰轴(23)的端部设有止回台(25)。 7. sight cervical pedicle screw according to claim 6, characterized in that: clamp rod is provided with a left hinge shaft (23) (21), a right clamp rod is provided with two hinge holes (22) ( 24), the inner reaming (24) is attached to the non-return plate (26), the end portion of the hinge shaft (23) is provided with a check station (25).
  8. 8.根据权利要求6所述的颈椎椎弓根钉瞄准器,其特征是:所述卡紧装置包括铰接在右钳杆(22)上的卡紧杆(27)和左钳杆(21)端部设置的止退凸起(29),卡紧杆(27)的内侧表面上设有与止退凸起(29)配合的止退齿纹(28)。 8. The sight cervical pedicle screw according to claim 6, characterized in that: said clamping means comprises a rod hinged on the right jaw clamping lever (27) (22) and a left bar clamp (21) an end portion disposed retaining projections (29), provided with retaining tooth pattern (28) and retaining projection (29) on the inside surface cooperating clamping lever (27).
  9. 9.根据权利要求1所述的颈椎椎弓根钉瞄准器,其特征是:所述锁紧装置为螺接在角度调节杆(7 )上的锁紧螺母(8 )。 Cervical according to claim sight of the pedicle screw 1, characterized in that: said locking means is a screwed angle adjusting lever (7) on the lock nut (8).
CN 201010237864 2010-07-28 2010-07-28 Cervical pedicle screw alignment apparatus CN101869506B (en)

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CN 201010237864 CN101869506B (en) 2010-07-28 2010-07-28 Cervical pedicle screw alignment apparatus

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Cited By (10)

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CN102727296A (en) * 2012-07-07 2012-10-17 苏州市康力骨科器械有限公司 Minimally invasive sighting device
CN102755188A (en) * 2012-08-06 2012-10-31 周健 Axis odontoid screw sighting device
CN103445853A (en) * 2013-08-27 2013-12-18 徐兆万 Suspension arm type odontoid guide needle sighting device
CN103565508A (en) * 2013-11-26 2014-02-12 段强民 Orthopedic guide reset pincers
CN103732163A (en) * 2011-08-10 2014-04-16 须田浩太 Puncturing tool
CN104758045A (en) * 2015-04-14 2015-07-08 曹兰 Elastic piece damping type dual-ring odontoid sighting device
CN105662571A (en) * 2016-03-21 2016-06-15 段强民 Same-plane and equal-angle swinging orthopaedic guide reset pliers
CN106037909A (en) * 2016-05-19 2016-10-26 汤向阳 Thoracolumbar spine vertebral pedicle screw entrance point and angle positioning device
CN108814675A (en) * 2018-04-27 2018-11-16 中南大学湘雅医院 A kind of kneecap micro fractures operation device
CN108814675B (en) * 2018-04-27 2020-01-17 中南大学湘雅医院 Patella microfracture operation device

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CN2862997Y (en) * 2006-01-11 2007-01-31 肖京 Shaft line guiding means for pedicle of vertebral arch
CN201088623Y (en) * 2007-10-17 2008-07-23 徐荣明 Position device for the cervical pedicle for screw placement
CN201275138Y (en) * 2008-10-30 2009-07-22 杰 于 Three-dimensional adjustable screw locater for vertebral pedicle

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CN1360878A (en) * 2002-01-22 2002-07-31 中国人民解放军南京军区南京总医院 Three-dimensional locator for pedicle for cervical vertebra arch
CN2862997Y (en) * 2006-01-11 2007-01-31 肖京 Shaft line guiding means for pedicle of vertebral arch
CN201088623Y (en) * 2007-10-17 2008-07-23 徐荣明 Position device for the cervical pedicle for screw placement
CN201275138Y (en) * 2008-10-30 2009-07-22 杰 于 Three-dimensional adjustable screw locater for vertebral pedicle

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9039709B2 (en) 2011-08-10 2015-05-26 Kota Suda Puncture instrument
CN103732163A (en) * 2011-08-10 2014-04-16 须田浩太 Puncturing tool
CN103732163B (en) * 2011-08-10 2015-02-04 须田浩太 Puncturing tool
CN102727296A (en) * 2012-07-07 2012-10-17 苏州市康力骨科器械有限公司 Minimally invasive sighting device
CN102755188A (en) * 2012-08-06 2012-10-31 周健 Axis odontoid screw sighting device
CN103445853A (en) * 2013-08-27 2013-12-18 徐兆万 Suspension arm type odontoid guide needle sighting device
CN103445853B (en) * 2013-08-27 2015-04-22 徐兆万 Suspension arm type odontoid guide needle sighting device
CN103565508A (en) * 2013-11-26 2014-02-12 段强民 Orthopedic guide reset pincers
CN103565508B (en) * 2013-11-26 2015-05-27 段强民 Orthopedic guide reset pincers
CN104758045A (en) * 2015-04-14 2015-07-08 曹兰 Elastic piece damping type dual-ring odontoid sighting device
CN106344143A (en) * 2015-04-14 2017-01-25 曹兰 Damping type sighting device for odontoid process of vertebra dentata
CN105662571A (en) * 2016-03-21 2016-06-15 段强民 Same-plane and equal-angle swinging orthopaedic guide reset pliers
CN105662571B (en) * 2016-03-21 2018-04-20 段强民 A kind of coplanar orthopaedics angularly swung is oriented to reduction forceps
CN106037909A (en) * 2016-05-19 2016-10-26 汤向阳 Thoracolumbar spine vertebral pedicle screw entrance point and angle positioning device
CN108814675A (en) * 2018-04-27 2018-11-16 中南大学湘雅医院 A kind of kneecap micro fractures operation device
CN108814675B (en) * 2018-04-27 2020-01-17 中南大学湘雅医院 Patella microfracture operation device

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