CN1293849C - Physiological internal fixer for upper cervical vertebra - Google Patents

Physiological internal fixer for upper cervical vertebra Download PDF

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Publication number
CN1293849C
CN1293849C CN 200410066368 CN200410066368A CN1293849C CN 1293849 C CN1293849 C CN 1293849C CN 200410066368 CN200410066368 CN 200410066368 CN 200410066368 A CN200410066368 A CN 200410066368A CN 1293849 C CN1293849 C CN 1293849C
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rail
flexion
slider
cervical
lower
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CN 200410066368
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Chinese (zh)
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CN1586418A (en )
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李郁松
陈德玉
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李郁松
陈德玉
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Abstract

本发明公开了一种上颈椎生理性内固定装置,包括可与下颈椎固定装置连接的连接器,还有旋转动作支持部分和屈伸动作支持部分,所述旋转动作支持部分是一个环枢旋转同轨器,由一个固定在颅骨上的上导轨和一个可在所述上导轨中滑动的上滑块组成,所述屈伸动作支持部分是由一组导轨及滑块构成的伸缩机构,其下端固定在连接器上,上端与所述环枢旋转同轨器的上滑块相连接。 The present invention discloses a cervical physiological securing means one kind, comprising a connector connectable with the lower cervical spine fixture, as well as the rotation operation portion and a support portion supporting flexion and extension, the rotation operation portion is supported with a rotating pivot ring rail, in the skull by a fixed upper rail and a slide on the slide rail on the composition, the flexion and extension of the telescopic mechanism support portion is composed of a set of guide rails and a slider fixed to the lower end in the connector, the upper end of the pivot ring to rotate relative to the slider is connected with the rail. 本发明采用多组活动机构,能较好地重建上颈椎的生理活动,使上颈椎部保持正常的屈伸和旋转功能,大大提高了患者的生命质量。 The present invention employs a plurality of sets movable mechanism can be used to reconstruct the physiological activity on the cervical spine, the upper portion to maintain normal cervical flexion and rotation, greatly improved the quality of life of patients.

Description

上颈椎生理性内固定装置 On the physiological cervical fixation means

技术领域 FIELD

本发明涉及医疗领域,特别涉及上颈椎损伤的内固定系统。 The present invention relates to the medical field, particularly relates to a cervical spine fixation system injury.

背景技术 Background technique

上颈椎损伤的内固定治疗,目前应用于临床的有很多,但基本上都是融合技术,即通过器械将上颈椎各活动结构在一个静止位置上进行固定,并借此最终达到骨性融合,这种治疗方式及技术是一种静态固定技术,功能上保持着支持作用,仅使上颈椎处于静止的中立位,使颈椎60%-70%的活动功能随之消失了,致使患者生活出现很多不便,且这种固定技术将加速邻近节段的退变。 The fixation of the cervical spine injury, there are many clinical application, but basically fusion technology, i.e. fixed in a stationary position on the upper cervical spine instrument by each of the movable structure, and thereby ultimately bony fusion, this treatment technique is a static and fixed technology, to maintain support role function, only the upper cervical spine in a neutral position static, so that 60% -70% of cervical activity function will disappear, causing the patient a lot of life inconvenience, and this technique will accelerate degeneration fixed adjacent segments.

发明内容 SUMMARY

本发明要解决的技术问题在于提供一种能将上颈椎维持在正常的生理活动范围,使上颈椎具有屈伸、旋转活动功能的上颈椎生理性内固定系统。 The present invention is to solve the technical problem is to provide a cervical spine can be maintained at normal physiological range of motion, with the upper cervical flexion and extension, the rotation of the physiological activity of cervical fixation system function.

本发明的设计构思是在上颈椎范围内设置一套可活动的支撑固定组件,这套组件将上颈椎限制在正常的生理活动范围内,使椎管内的内容物脊髓不受压迫;同时这套组件之间又可以相对伸缩和滑动,以支持上颈椎的屈伸和旋转运动,从而实现对上颈椎的屈伸、旋转功能的重建。 Design concept of the present invention is fixed to a support assembly disposed in the upper cervical spine of a movable range, the set of components on cervical limit the normal range of physiological activities, so that the contents in the spinal cord from oppression; while it and between the cover assembly and can slide telescopically relative to support rotational movement and flexion of the cervical spine, enabling the reconstruction of the upper cervical flexion, the rotation function.

基于以上构思,本发明采用如下技术方案:一种上颈椎生理性内固定装置,包括可与下颈椎固定装置连接的连接器,还包括旋转动作支持部分和屈伸动作支持部分,所述旋转动作支持部分是一个环枢旋转同轨器,由一个固定在颅骨上的上导轨和一个可在所述上导轨中滑动的上滑块组成,所述屈伸动作支持部分是由一组导轨及滑块构成的伸缩机构,其下端固定在连接器上,上端与所述环枢旋转同轨器的上滑块相连接。 Based on the above, the present invention adopts the following technical solutions: A physiological on cervical fixation means comprising a connector connectable with the lower cervical spine fixture further comprising a rotation operation portion and the flexion and extension of support portion supporting the rotary motion supported a pivot part rotating with the ring rail, in the skull by a fixed upper rail and a slider slidable on the upper rail in the composition, flexion and extension of the support portion is constituted by a set of rails and sliders telescopic mechanism, which is fixed to the lower end of the connector, the upper end of the pivot ring to rotate relative to the slider is connected with the rail.

作为上述技术方案的一种优选方案:所述屈伸动作支持部分包括左右两侧各有一个环枕屈伸同轨器和一个环枢屈伸同轨器,以及第一、第二横连杆,所述环枕屈伸同轨器由中间导轨和在其中滑动的中间滑块构成,所述环枢屈伸同轨器由下导轨和在其中滑动的下滑块构成,所述中间导轨固定在下滑块的上端,左右两侧的下导轨分别连接在连接器上,左右两侧的连接器之间以所述第一横连杆连接,左右两侧的中间滑块的上端分别固定在所述第二横连杆的两端,第二横连杆的中间位置有一通孔,所述上滑块的杆部穿过该通孔与其滑动配合。 As a preferred embodiment of the above technical solution: flexion and extension of the right and left sides of each support portion comprises a ring with flexion flexion pillow with the track rail, and a pivot ring, and a first, a second cross-link, the ring pillow flexion with the intermediate slide rail is composed of a slider and a middle rail, wherein the ring rail sliding pivot with flexion of the lower slider is constituted by the lower rail and wherein the upper end of the intermediate rail fixed to the lower slider left and right sides of the lower rail are connected to the connector, to cross-link the first connection between the left and right sides of the connector, the upper end of the intermediate left and right sliders are fixed to the second cross connect both ends of the rod, an intermediate position of the second transverse link has a through-hole, the stem portion of the slider through hole through which a sliding fit therewith. 这样,屈伸动作支持部分就形成一个框架结构,这种结构提高了整个装置的刚度、强度及稳定性,有利于颈椎左右两侧动作的同步协调,提高系统的协调稳定性。 Thus, flexion and extension of support portions to form a frame structure, which increases the rigidity, strength and stability of the entire apparatus, synchronized right and left cervical beneficial action on both sides, to improve the stability of the system coordination.

在上述方案中,所述上导轨的一种优选结构为圆弧形,其上开有圆弧形的滑槽,滑槽的截面为倒梯形,上滑块头部也有相同的弧度,截面也是倒梯形,上滑块的头部在滑槽中与上导轨滑动配合。 In the above embodiment, the preferred construction of the upper rail is arc-shaped, arc-shaped opening on the chute, the chute is an inverted trapezoid cross-section, the head of a slider has the same curvature, but also a cross-sectional inverted trapezoidal head portion, on a slider chute and the upper rail in a sliding fit. 这种结构主要是为了适应头部转动时支撑部位的运动曲线,同时保证上滑块的头部可以在滑槽中正常滑动且不会脱出来。 This configuration primarily to accommodate movement of the curved portion of the head support is rotated, while ensuring that the head can slide on the slide and will not normally come off in the chute.

在上述的优选方案中,组成环枕屈伸同轨器的中间导轨为圆弧形导套、中间滑块为圆弧形导柱,组成环枢屈伸同轨器的下导轨为圆弧形导套、下滑块为圆弧形导柱。 In the preferred embodiment, the composition of the ring rail of the occipital flexion with the intermediate guide rail is arc-shaped guide sleeve, an intermediate arc-shaped slider guide post, forming a ring with the flexion and extension rail pivotal rail is arc-shaped guide sleeve , arc-shaped lower slider guide post. 如果将圆弧形导柱导套设计为方形截面,可以防止导柱导套之间的相对转动,避免整个装置的不规则运动。 If the arc-shaped guide pin guide sleeve designed as a square cross-section, is possible to prevent relative rotation between the guide pins and bushings, to avoid irregular movement of the entire apparatus.

在上述的优选方案中,第一、第二横连杆为刚性杆。 In the preferred embodiment, the first, the second lateral link is a rigid rod. 为了适应颈椎后结构的特殊形状,第一横连杆可以是弯曲的。 In order to accommodate the particular shape of the cervical structure, the first lateral link may be curved.

本发明采用多组活动机构,较好地模拟了上颈椎的生理活动,使上颈椎部保持了正常的屈伸和旋转功能,大大减轻了患者的不便和痛苦。 The present invention employs a plurality of sets movable mechanism, it simulates the physiological activity on the cervical spine, the upper cervical flexion portion and holding the normal rotation, greatly reducing the pain and inconvenience to the patient. 同时,本发明采用的技术方案可以有效地保持上颈椎的正常活动范围,也不会对颈椎和脊髓等造成进一步的伤害,因此有较高的安全性。 At the same time, the technical solution adopted by the invention can effectively maintain the range of normal activities on the cervical spine, cervical spine and spinal cord, nor will it cause further damage, so there is high security.

附图说明 BRIEF DESCRIPTION

图1是本发明的一种上颈椎生理性内固定装置的结构图。 FIG 1 is a configuration diagram of the fixing device of the one kind of cervical present invention.

具体实施方式 detailed description

下面结合附图和具体实施方式对本发明作进一步说明:图1所示的上颈椎生理性内固定装置包括一个环枢旋转同轨器和两个环枢屈伸同轨器、两个环枕屈伸同轨器以及两个连接器8、第一横连杆9、第二横连杆4。 In conjunction with the accompanying drawings and the following specific embodiments of the present invention is further illustrated: the upper cervical physiological fixing device shown in FIG. 1 comprises a rotating pivot ring with flexion and extension rail and with the rail pivot two rings, two rings with flexion pillow and two connecting rail 8, a first horizontal rod 9, a second lateral link 4. 环枢旋转同轨器的上导轨1固定在颅骨上;组成环枕屈伸同轨器的中间导轨3和中间滑块2为圆弧形的导柱和导套,组成环枢屈伸同轨器的下导轨7和下滑块6也是圆弧形的导柱和导套;左右两侧的中间导轨3分别固定在下滑块6的上端;第二横连杆4的两端分别与左右两侧的中间滑块2上端相连接;上滑块5的头部卡在上导轨1的滑槽中,上滑块5的头部与滑槽具有相同的弧度并可沿着滑槽滑动,上滑块5的下端杆部插入第二横连杆4的孔中,并可在孔中作小范围内的上下滑动,上滑块5的下端设置销钉,防止滑子从第二横连杆4的孔中脱出;左右两侧的下导轨7分别与连接器8相连接,第一横连杆9的两端分别与左右两侧的连接器8相连接;连接器8固定在下颈椎的基座上。 Ring rotating pivot guide on the same rail 1 is fixed to the skull; forming a ring with the pillow flexion intermediate rail 3 and the intermediate slide rail 2 is arcuate guide post and the guide sleeve, forming a ring with the pivot flexion and extension of the rail the lower rail 7 and the slider 6 is arcuate guide post and guide sleeve; intermediate the left and right lower rails 3 are fixed to the upper end 6 of the slider; lateral ends of the second link 4 are respectively the left and right sides 2 is connected to the upper end of the intermediate slider; slider chute head portion 5 of the card 1 on the guide rail, the slider head and the chute 5 has the same curvature can slide along the chute, the slider 5 the lower end portion of the rod insertion hole of the second lateral link 4, and can slide up and down within a small range in the hole, the lower end of the slider pin 5 is provided to prevent the slider from the aperture of the second lateral link 4 in prolapse; 7 at the left and right guide rails 8 are respectively connected to the connector, the ends of the first lateral link 9 are respectively left and right sides of the connector 8 is connected; connector 8 is fixed to the base of the lower cervical spine.

与本发明连接的基座可以是其它已知的颈椎后路内固定系统,如椎弓根螺钉固定系统。 A base connected to the other of the present invention may be known in the posterior cervical fixation systems, such as the pedicle screw fixation system. 为了与不同的基座连接,本发明的连接器可以有不同的接口形式,在实际临床应用中,应根据不同的基座,选用相应接口的连接器来与之相连接。 In order to connect to different base connector of the present invention may have forms different interfaces, in clinical practice, it will be based on different bases, the choice of corresponding interface connectors to connect therewith.

本发明的安装方式如下:先将左右连接器8固定在基座上,第一横连杆9安装在连接器8上,暂时轻度拧紧,接着安装环枢屈伸同轨器和环枕屈伸同轨器于连接器8上;将装有上滑块5的第二横连杆4安装于中间滑块2的上端,再将上滑块5的头部嵌入上导轨1的滑槽中,将上导轨1固定到枕骨的相应位置上。 Installation of the invention is as follows: left and right first connector fixed to the base 8, the first lateral link 9 is mounted on the connector 8, mild temporarily tightened, and then the mounting ring with the pivot flexion flexion and Rail ring pillow with rail on the connector 8; the slider is equipped with a second lateral link 5 is attached to the upper end of the intermediate 4 slider 2, the slider 5 and then the head is fitted on the slide track 1, the an upper rail fixed to the respective positions of the occiput. 根据上颈椎的活动度的需要调整相应的部件间的连接位置,而后拧紧各螺丝。 Adjusting the position of connection between the respective parts of the required activities of the upper cervical spine, and then tightening of each screw.

其工作原理:环枢椎屈伸时,环枢屈伸同轨器工作,环枢屈伸同轨器的下滑块6在下导轨7中滑动,下滑块6的滑动范围将环枢椎屈伸限定在许可范围内,防止压迫椎管内容物。 Its working principle: when atlantoaxial flexion and extension, flexion and extension of the work with the pivot ring rail, the slide ring flexion pivot with the slide rail 6 of the lower guide rail 7, the sliding range of the slider 6 will be defined atlantoaxial flexion license within the range, to prevent the contents of the spinal compression.

环枕椎屈伸时,环枕椎屈伸同轨器工作,环枕屈伸同轨器的中间滑块2在中间导轨3内滑动,中间滑块2的滑动范围将环枕椎屈伸限定在许可范围内,防止压迫椎管内容物。 When ring pillow vertebral flexion and extension, flexion and extension of the vertebral pillow ring rail work with, with the intermediate ring pillow flexion and extension rail 2 slider sliding guide rail 3 in the middle of the intermediate range 2 slider sliding ring pillow vertebral flexion is defined within the allowable range prevent the contents of the spinal compression.

环枢椎旋转时,环枢旋转同轨器工作,上滑块5在上导轨1内滑动,上滑块5的滑动范围将环枢椎旋转限定在许可范围内,同时上滑块5可在第二横连杆4的孔内上下滑动,可满足环枢椎旋转时轴向的上下活动。 When atlantoaxial rotation, rotating working with pivot ring rail, the slider 5 slides in the guide rail 1, the sliding range of the slider 5 will atlantoaxial rotation defined within the permitted range, while the slider 5 can be a second transverse hole of the vertical slide rod 4 can be satisfied when the axial rotation atlantoaxial up and down.

Claims (6)

  1. 1.一种上颈椎生理性内固定装置,包括可与下颈椎固定装置连接的连接器(8),其特征在于:还包括旋转动作支持部分和屈伸动作支持部分,所述旋转动作支持部分是一个环枢旋转同轨器,包括一个固定在颅骨上的上导轨(1)和一个可在所述上导轨(1)中滑动的上滑块(5),所述屈伸动作支持部分是由一组导轨及滑块构成的伸缩机构,其下端固定在连接器(8)上,上端与所述环枢旋转同轨器的上滑块(5)相连接。 An inner physiological cervical fixation means, comprising a connector (8) can be connected to the lower cervical spine fixation device, characterized by: further comprising a rotation operation portion and the support portion of flexion and extension of support, the support portion is a rotational movement rotation with a pivot ring rail, comprising a fixed upper guide rail (1) in a skull and the upper rail (1) sliding on the slider (5), flexion and extension of the support part by a and the telescopic guide group composed of a slider mechanism which is fixed to the lower end of the connector (8), the upper end of the pivot ring rotating with the rail of the slider (5) is connected.
  2. 2.根据权利要求1所述的上颈椎生理性内固定装置,其特征在于:所述屈伸动作支持部分包括左右两侧各有一个环枕屈伸同轨器和一个环枢屈伸同轨器,以及第一、第二横连杆(9,4),所述环枕屈伸同轨器由中间导轨(3)和在其中滑动的中间滑块(2)构成,所述环枢屈伸同轨器由下导轨(7)和在其中滑动的下滑块(6)构成,所述中间导轨(3)固定在下滑块(6)的上端,左右两侧的下导轨(7)分别连接在连接器(8)上,左右两侧的连接器之间以所述第一横连杆(9)连接,左右两侧的中间滑块(2)的上端分别固定在所述第二横连杆(4)的两端,第二横连杆(4)的中间位置有一通孔,所述上滑块(5)的杆部穿过该通孔与其滑动配合。 The inner physiological cervical fixation device according to claim 1, wherein: said flexion and extension of the left and right sides of each supporting portion includes a ring pillow with flexion flexion with the track rail, and a pivot ring, and a first, a second lateral link (9,4), said intermediate ring pillow flexion slider with the slide rail by the intermediate rail (3) and in which (2) constitutes, with said ring rail by a pivot flexion the upper end of the lower rail (7) and a lower slider which slides (6), and said intermediate rail (3) fixed to the lower slide (6), the left and right sides of the lower rail (7) are connected to the connector ( 8), between the left and right sides of the connector to the first lateral link (9) is connected to the upper end of the intermediate slide (2) are respectively fixed to left and right sides of the second lateral link (4) both ends of the second lateral link (4) in an intermediate position a through hole, the upper slider (5) of the through hole through which the rod portion sliding fit therewith.
  3. 3.根据权利要求1所述的上颈椎生理性内固定装置,其特征在于:所述上导轨(1)为圆弧形,其上开有圆弧形的滑槽,滑槽的截面为倒梯形,与之配合的上滑块(5)头部也有相同的弧度,截面也是倒梯形。 The inner physiological cervical fixation device according to claim 1, wherein: said upper rail (1) is a circular arc, which circular arc chutes opened, section of inverted chute trapezoidal, cooperating with a slider (5) has the same curvature of the head, is an inverted trapezoidal cross section.
  4. 4.根据权利要求2所述的上颈椎生理性内固定装置,其特征在于:所述中间导轨(3)为圆弧形导套、中间滑块(2)为圆弧形导柱,所述下导轨(7)为圆弧形导套、下滑块(6)为圆弧形导柱。 4. The inside of the cervical spinal fixation device according to claim 2, wherein: said intermediate rail (3) is arc-shaped guide sleeve, intermediate slider (2) in an arc-shaped guide post, said the lower rail (7) is circular arc-shaped guide sleeve, the slide (6) is arcuate guide post.
  5. 5.根据权利要求2所述的上颈椎生理性内固定装置,其特征在于:所述第一、第二横连杆(9,4)为刚性杆。 The inside of the cervical spinal fixation device according to claim 2, wherein: said first and second transverse link (9,4) is a rigid rod.
  6. 6.根据权利要求4所述的上颈椎生理性内固定装置,其特征在于:所述圆弧形导柱导套为方形截面。 The inside of the cervical spinal fixation device according to claim 4, wherein: said arc-shaped guide pin guide sleeve is a square cross-section.
CN 200410066368 2004-09-14 2004-09-14 Physiological internal fixer for upper cervical vertebra CN1293849C (en)

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CN100579478C (en) 2006-06-29 2010-01-13 李郁松 Posterior cervical inner fixing device
CN100579477C (en) 2006-06-29 2010-01-13 李郁松 Upper cervical vertebra all-angle physiological inner fixing device

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