CN102475584B - Spinal filler block configuration - Google Patents

Spinal filler block configuration Download PDF

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Publication number
CN102475584B
CN102475584B CN 201010574117 CN201010574117A CN102475584B CN 102475584 B CN102475584 B CN 102475584B CN 201010574117 CN201010574117 CN 201010574117 CN 201010574117 A CN201010574117 A CN 201010574117A CN 102475584 B CN102475584 B CN 102475584B
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CN
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CN 201010574117
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Chinese (zh)
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CN102475584A (en )
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颜宗宝
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宝亿生技股份有限公司
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/44Joints for the spine, e.g. vertebrae, spinal discs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof

Abstract

一种脊椎填充块构造,用于安装在人体脊椎的相邻两椎体终板间作为人造椎间盘,其包含一对保持间隔而平行设置的上垫板与下垫板,以及一斜向连接于前述上、下垫板的对向边缘的弹性板,使前述三板连接组成一侧向截面略呈Z字型的本体,并使该脊椎填充块的本体具有上、下方向的弹性变形能力;由该弹性变形能力以便植入椎间后可自行微调成适宜的填充高度,以简化手术操作及提升手术成功率,并利用该脊椎填充块具备的弹性缓冲特性以提供治疗部位的椎间盘自然的活动能力与运动范围,以维持上下椎骨间原有关节所提供的效能,并确保患者脊椎活动时的舒适性。 A spinal spacer configured for mounting between two adjacent vertebral body endplate as an artificial intervertebral disc, comprising a pair of spaced parallel retaining plate provided with the lower plate, and an obliquely connected to on said elastic plate the lower edge of the plate, so that the three plates connected to form a slightly Z-shaped cross-section to a side of the body, and the body of the spacer has an upper spine, the capacity for elastic deformation direction; manufactured by the elastic deformation capacity to self-trimming after implantation into an intervertebral suitable filling height in order to simplify the surgical operation and improve the success rate, and by the elastic properties of the buffer includes a vertebral spacer to provide a natural intervertebral disc treatment site activity and range of motion in order to maintain the effectiveness of the joint between the upper and lower vertebrae original offer, and to ensure the comfort of the patient when the spine activities.

Description

脊椎填充块构造 Spinal filler block configuration

技术领域 FIELD

[0001] 本发明涉及一种脊椎填充块构造,尤其指一种用于安装在人体脊椎的相邻两椎体终板间作为人造椎间盘的脊椎填充块构造。 [0001] The present invention relates to the spacer A spinal structure, particularly to a human body for mounting adjacent vertebra between two vertebral endplate as the spacer structure artificial intervertebral disc.

背景技术 Background technique

[0002] 如众所知,人体脊椎是由多数个脊椎节骨串接而成,且于脊椎中具有多数神经延伸,在相邻的上下两脊椎间形成有椎间盘,而椎间盘是一个具有可塑性的结构,可以吸收脊椎垂直的压力并提供上下脊椎骨间的缓冲作用;然而,当其中任何一节的椎间盘产生病变或老化时,将会压迫邻近节脊椎神经造成疼痛,导致人体行动上产生不便。 [0002] As is well known, the majority of the human spine is a series of vertebrae from phalanx, and having a majority of neural extending spine, the disc is formed between the adjacent upper and lower vertebrae, the intervertebral disc is a malleable structure, can absorb stress perpendicular to the spine and provide a cushioning effect between the upper and lower vertebrae; however, when any one or disc lesions produced aging, will cause compression of adjacent vertebrae nerve pain, resulting in inconvenience in human action. 对于上述椎间盘故障所引致的诸多问题,通常以施行椎间融合术或在椎间植入人工椎间盘的方式来解决, 然而施行椎间融合术将使原有的关节失去作用,导致上下关节须承担原有关节的功能,因而使得上下节脊椎关节因过度使用而提早老化或损伤;另外,在椎间植入的人工椎间盘通常并无原有人体椎间盘的的弹性缓冲特性,以致安装后的关节将失去所有缓冲功能,无法配合其它正常的椎间盘运作而提早老化,且公知人工椎间盘的设计无法防止人体脊椎过度前倾,安装后仍有位移或装置脱位的可能;此外,现有的人工椎间盘植入椎间后不易调整, 然而公知人工椎间盘均具有固定的高度规格,无法完全符合个别患者的脊椎间隙大小需求,若在手术植入重建的椎间高度有所偏差时,轻则会导致患者不舒服,严重的话会影响损害其它邻近的脊椎结构,而且 For many problems arising from the above disc failure, usually for the purposes of interbody fusion or artificial disc implanted in the intervertebral way to solve, but the implementation of interbody fusion will lose the original joints, leading to joint to bear down original joint function, thereby making the upper and lower vertebrae joints due to excessive use of premature aging or damage; joints in addition, the elastic cushioning properties of the intervertebral implant artificial intervertebral disk is generally not the original disc of the body, such that the mounting post lose all buffering function, not with other normal disc operation and premature aging, and the well-known artificial disc is not designed to prevent excessive human spine forward, there may still be installed after the displacement or dislocation of the device; in addition, the existing artificial disc implant after the intervertebral easy to adjust, but well-known artificial disc has a fixed height specifications, the size of the gap can not be fully in line with the spine needs of individual patients, if the height deviations from the intervertebral implant reconstruction surgery, ranging from lead to patient discomfort , the worst case damage will affect other adjacent vertebral structures, and 新取出或更换植入物的手术困难,过程中极易造成病患伤害。 Difficulties in removing or replacing a new surgical implant, the process can easily result in patient harm.

发明内容 SUMMARY

[0003] 本发明的目的在于提供一种脊椎填充块构造,以改进公知技术中存在的不足。 [0003] The object of the present invention to provide a spacer A spinal structure, to improve the deficiencies present in the known art.

[0004] 为实现上述目的,本发明提供的脊椎填充块构造,用于安装在人体脊椎的相邻两椎体终板间作为人造椎间盘,其包含一对保持间隔而平行设置的上垫板与下垫板,以及一斜向连接于前述上、下垫板的对向边缘的弹性板,使前述三板连接组成一侧向截面略呈Z字型的本体,并使该脊椎填充块的本体具有上、下方向的弹性变形能力。 [0004] To achieve the above object, the present invention is configured spinal spacer is provided for mounting between two adjacent vertebrae of the human spine as artificial disc endplate, comprising a pair of upper holding plate provided in parallel with the interval lower plate, and an obliquely attached to the lower plate to the edge of the elastic plate, so that the three side plates connected to form a slightly Z-shaped cross-section to a body, the body of the vertebra and having a spacer the elastic deformability under direction.

[0005] 所述的脊椎填充块构造,其中,在上垫板与下垫板的向外侧的主表面设有止滑构造。 Spinal filler block configuration [0005] wherein, on the pad is provided with non-slip configuration of the main surface of the lower plate to the outside.

[0006] 所述的脊椎填充块构造,其中,该止滑构造为多数锯齿状条纹或凹凸状的压花图案。 Spinal spacer structure according to [0006], wherein the anti-slip serrated configured majority stripes or uneven embossing pattern.

[0007] 所述的脊椎填充块构造,其中,该脊椎填充块由复合材料制成,其复合材料选自于碳素纤维、聚醚醚酮(PEEK)之一所制成。 Spinal spacer structure according to [0007], wherein the vertebral spacer made of composite material, which composite material is selected from carbon fiber, polyether ether ketone (PEEK), one made.

[0008] 所述的脊椎填充块构造,其中,该脊椎填充块由合金材料制成,其合金材料选自于钛合金、钽合金、不锈钢之一所制成。 Spinal filler block configuration [0008], wherein the vertebral spacer made of an alloy material, which material is selected from titanium alloys, tantalum alloys, one made of stainless steel.

[0009] 所述的脊椎填充块构造,其中,包含在上垫板与下垫板的边缘设有向内翻折设置的C型或匚型唇缘。 Spinal spacer structure according to [0009], wherein, provided on the pad comprises a set of C-type tuck-type or channel-like lip and the lower edge of the plate.

[0010]所述的脊椎填充块构造,其中,包含于该脊椎填充块本体设有一或夏数的贯穿孔或凹洞。 Spinal filler block configuration [0010], wherein, in the spinal spacer comprising a body provided with a through hole or a cavity or several summer.

附图说明 BRIEF DESCRIPTION

[0011]图1为本发明第一实施例的立体图; [0011] FIG. 1 is a perspective view of a first embodiment of the present invention;

[0012]图2为本发明第一实施例的俯视图; _3]图3为本发明第一实施例的侧视图; [0012] FIG. 2 is a top view of a first embodiment of the present invention; _3] FIG 3 a side view of a first embodiment of the present invention;

[0014]图4为本发明第二实施例的立体图; [0014] FIG. 4 is a perspective view of a second embodiment of the present invention;

[0015]图5为本发明第三实施例的立体图; [0015] FIG. 5 is a perspective view of a third embodiment of the present invention;

[0016]图6为本发明第三实施例的俯视图; [0016] FIG. 6 is a top view of a third embodiment of the present invention;

[0017]图7为本发明第四实施例的立体图; [0017] FIG. 7 is a perspective view of a fourth embodiment of the present invention;

[0018]图8为本发明第四实施例的俯视图; [0018] FIG 8 is a top view of a fourth embodiment of the present invention;

[0019]图9为本发明第五实施例的立体图; [0019] FIG. 9 is a perspective view of a fifth embodiment of the present invention;

[0020]图10为本发明第五实施例的俯视图;以及[0021]图11为本发明安装在脊椎的简示图。 [0020] FIG. 10 is a top view of a fifth embodiment of the present invention; and [0021] FIG. 11 is mounted in the profile of the present invention shown in FIG spine.

具体实施方式 detailed description

[0022]本发明主要提供一种改进的脊椎填充块构造,其具备弹性变形能力,可安装在人体脊椎的相邻两椎体终板间,并自行微调成适宜的填充块高度,以重建塌陷的椎间盘的原有高度;同时由其所具备的弹性缓冲特性以提供治疗部位的椎间盘自然的活动能力与运动范围,因此得与其它正常椎间盘密切配合运作,并确保患者脊椎活动时的舒适性。 [0022] The present invention provides an improved spinal spacer structure comprising an elastic deformability, it can be installed between two adjacent vertebral body endplate, and fine-tune itself to a suitable filling height of the block, to rebuild the collapsed the original height of the intervertebral disc; at the same time they have a resilient cushioning properties of intervertebral disc treatment site to provide natural range of motion and activity, and therefore have to operate in close coordination with other normal disc, and ensure comfort during active patient's spine.

[0023]为此本发明所提供的脊椎填充块构造,其包含一组式样对称且保持间隔而平行设置的上垫板与下垫板,以及一斜向连接于前述上、下垫板的对向边缘的弹性板,使前述三板连接组成一侧向截面略呈Z字型的本体,从而令该脊椎填充块的本体具有上下方向的弹性变形能力。 [0023] To this end the present invention is configured spinal spacer is provided, comprising a set of symmetric and Shape holding plate and a lower plate spaced and disposed in parallel, and an obliquely connected to the upper, the lower plate edge of the elastic plate, so that the three plates connected to form a slightly Z-shaped cross-section to a side of the body, so that the vertebral body spacer having a capacity for elastic deformation in the vertical direction.

[0024] 特别是,在上垫板与下垫板的向外侧的主表面设有止滑构造,例如是多数具有锯齿状条纹或凹凸状的压花图案,以减少植入体的位移滑动,增进安装在脊椎的椎体间的稳定性。 [0024] In particular, the pad is provided on the main surface of the bottom plate outward slip structure, for example, the majority having a sawtooth-shaped stripes or uneven embossing pattern, to reduce the sliding displacement of the implant, promote stability mounted between the vertebrae of the spine.

[0025] 特别是,在上垫板与下垫板的边缘设有向内翻折设置的C型(或匚型)唇缘,利用该些C型唇缘以限定该弹性体的伸缩限度,防止脊椎填充块本体被过度压缩导致弹性疲乏而变形,并由该C型唇缘的弧形外侧构型的设计,避免脊椎填充块本体在伸缩运作时,造成上、 下垫板的边缘刮伤附近的生理组织。 [0025] In particular, provided on the pad is folded inwardly disposed C-shaped (or a channel-like type) lip and the lower edge of the plate by the plurality of C-shaped lip to define the limits of stretch of the elastic member, vertebral body is filled with blocks preventing excessive compression causes fatigue elastically deformed by the curved design of the outer configuration of the C-shaped lip, the spacer avoid vertebral body during expansion and contraction operation caused on the edge of the lower plate of the scratching physiological tissue nearby.

[0026] 特别是,该脊椎填充块的本体是使用复合材料或合金材料所加工制成者,其中,该复合材料是选自于碳素纤维、聚醚醚酮(PEEK,poly ether ether ketone)…等,而该合金材料是选自于钛合金、钽合金、不锈钢…等,但实施范围不以前述材料为限,各类适合植设在人体内使用的具有良好机械强度和抗化学性的复合材料或合金材料均适用。 [0026] In particular, the vertebral body spacer is to use a composite material or an alloy material were processed, wherein the composite material is selected from carbon fiber, polyether ether ketone (PEEK, poly ether ether ketone) ... etc., which is selected from titanium alloy, a tantalum alloy, stainless steel, ... the like, but the scope is not limited to the foregoing materials, suitable for all types of implanted in the body with good mechanical strength and chemical resistance using the an alloy material or a composite material are suitable.

[0027] 特别是,还包含于该脊椎填充块本体设有一或复数的贯穿孔或凹洞,以增加该脊椎填充块本体内所填充的自体骨或人造骨组织与患者脊椎椎体的接触面积,并增加前述自体骨或人造骨组织内的血流灌注量,而达到较佳的骨融合率。 [0027] In particular, further comprising a spacer to the vertebral body is provided with a plurality of through-holes or cavities or to increase the vertebral spacer body filled with autogenous bone or artificial bone tissue contact area with the patient vertebrae of the spine , and to increase the autogenous bone or artificial blood perfusion within the bone tissue, and to achieve a better rate of bone fusion.

[GG28] 此将于以下进一步阐明本发明的其它功能及技术特征,本领域技术人员熟读说明后即可据以实现本发明。 [GG28] This will be further elucidated hereinafter and other functional features of the present invention, according to the present art familiar with the art to implement the present invention is described.

[0029]如附图所示,是本发明提供的具有弹性的脊椎填充块结构的较佳实施例,其结构主要包含一组式样对称且保持间隔而平行设置的上垫板1与下垫板2,以及一斜向连接于前述上、下垫板的对向边缘的弹性板3,由使前述三板连接组成一侧向截面略呈Z字型的本体, 因此该本体具有上、下方向的弹性变形能力;其中,上下垫板1、2与弹性板3均采用合金材料(例如钛合金、不锈钢等)或复合材料(例如碳素纤维、聚醚醚酮等)所加工制成,因该些材料具有良好机械强度和抗化学性,所以适合植设在人体脊椎间使用;而如图1、图2所示,在该上、下垫体1、2的向外主表面上设有多数锯齿状纹路4,且于边缘部位设有向本体内侧翻折设置的C型唇缘5;另,通常该脊椎填充块除了制成平面型的本体之外(如图4所示),亦可为增进植入的骨融合率的考虑下而在该脊椎填充块的本 [0029] As shown in the drawings, the present invention provides a preferred embodiment of an elastic filler block spine structure, which structure comprises a set of main pattern symmetrically arranged and held in parallel spaced upper plate 1 and lower plate 2, 3 and on, connected by a three-plate so that the edge of the elastic plate composed of an obliquely connected to the side of the lower plate slightly Z-shaped cross-section to a body, the body thus having upper and lower direction an elastic deformation capacity; wherein the upper and lower plate 2 and the plate 3 are made of an elastic alloy (e.g. titanium, stainless steel, etc.) or a composite material (e.g. carbon fiber, polyether ether ketone, etc.) are processed and, because of the Such materials having good mechanical strength and chemical resistance, it is suitable for use in implanted between the human spine; and FIG. 1, FIG. 2, in which, the underlying main body is provided with an outward surface of the majority of the 1,2 serrated lines 4, and is provided in the folded edge portion disposed toward the body of the C-shaped inner lip 5; the other, generally the addition spinal spacer made planar body (4), also to promote bone fusion rate in consideration of the spinal implant and the spacer of the present 体上设置一贯穿孔6 (如图1至图3所示);此外,在前述列举的实施例中显示该脊椎填充块结构的板体平面是略呈圆形的外观构型,但可以理解的,在实际的应用上该板体平面并不局限于前述的外观构型,其亦可因应欲安装部位的不同而调整设计成各式符合需求的外观构型,例如图5、图6显示的D字型外观构型、图7、图8显示的椭圆形外观构型,以及图9、图10显示的长条形外观构型。 Provided a through hole 6 (FIG. 1 to FIG. 3) on the body; Further, in the foregoing embodiment shows an exemplified configuration of the vertebral spacer plate plane are slightly rounded appearance configuration, it will be appreciated the flat plate is not limited to the foregoing configuration at the appearance of actual application, which may also be due to the different parts of the installation to be adjusted exterior configuration designed to meet the needs of all kinds, e.g. FIG. 5, FIG. 6 shows appearance elongated configuration D-shaped appearance configuration, FIG. 7, FIG. 8 oval exterior configuration shown, and FIG. 9, FIG 10 shows.

[0030] 再请参阅图11所示,上述脊椎填充块结构可植入椎间,使上垫体1的顶面与下垫体2的底面与欲手术的椎间盘区域的邻近脊椎骨贴合,利用该脊椎填充块所具有的弹性变形能力以便植入后可自行微调成适宜的填充高度,并由该上、下垫体1、2表面的锯齿状纹路4 使脊椎填充块可稳固地嵌设于二脊椎骨81、82之间;另,亦可在上垫体的顶部表面与下垫体的底部表面涂覆氢氧基磷灰石,使该些表面透过氢氧基磷灰石分别贴合于邻近的脊椎骨, 达到生物固定的目的;此外,亦可将手术中去除的自体骨赘或人造骨组织填入该脊椎填充块本体的贯穿孔6中,以达到较佳的骨融合率目的,避免该植入的脊椎填充块自二脊椎骨之间位移或松动脱出,造成椎间塌陷及脊椎不稳等并发症。 [0030] Referring again to FIG. 11, the above-described implantable spinal intervertebral spacer structure, the upper pad top face adjacent vertebrae with an intervertebral disc to be the bottom surface area of ​​the underlying surgical 2 bonded body 1, using the spinal spacer has an elastic deformation capacity to self-trimming after implantation into a suitable filling height by which the zigzag lines 4 underlying the body 1 so that the spine surface of the spacer may be firmly embedded in the between the two vertebrae 81 and 82; the other, also at the bottom surface is coated hydroxyapatite underlying top surface of the pad on the body member, so that through these surfaces respectively bonded to hydroxyapatite adjacent vertebrae, to achieve biological fixation of the object; in addition, the operation may be removed from the body or artificial bone osteophytes filled in the through hole of the vertebral body spacer 6, to achieve the object of the preferred bone fusion rate, avoiding the spinal implant filler block displacement between the two vertebrae from loosening or extrusion, resulting in collapse of the intervertebral spinal instability and complications. 该脊椎填充块结构植入椎间后即可重建塌陷的椎间盘的原有高度,同时提供治疗部位的椎间盘自然的活动能力与运动范围,消除对脊髓或神经根的压迫,于脊椎运作中,可由该脊椎填充块的弹性变形效能而有效地分担脊椎各方向的受力,避免脊椎折伤,对于当人体跳跃、高处跳下或肩背、腰部突然负荷重物时,该脊椎填充块的弹性变形能力亦立刻产生吸收震荡及压力的作用,达到缓冲抗震的效果。 The spinal interbody spacer structure after implantation to reconstruct the original height of the collapsed disc, intervertebral disc treatment site while providing a natural range of motion and activity, eliminate pressure on the spinal cord or nerve roots, operations in the spine, may be the spacer is elastically deformed vertebra performance effectively balancing the force in each direction of the spine, to avoid spinal injury off, when the body for a jump, high jump off the shoulder or waist sudden heavy load, the elastic filler block spine deformability also produce immediate action to absorb shock and pressure, to the effect of the shock buffer. 此外,利用该脊椎填充块的C型唇缘可以限定弹性结构的伸缩限度,防止脊椎填充块本体被过度压缩导致弹性疲乏而变形,并由该C型唇缘的弧形外侧构型的设计,避免脊椎填充块本体在伸缩运作时,造成上、下垫板的边缘刮伤附近的生理组织。 Further, with the C-shaped spinal spacer lip may define the limits of stretch of the elastic structure, the spacer body is prevented from excessive vertebral compression causes fatigue elastically deformed by the curved design of the outer configuration of the C-shaped lips, vertebral body to avoid filling mass during expansion and contraction operation caused on the edge of the lower plate of the biological tissue close to scratching.

Claims (5)

  1. 1. 一种脊椎填充块构造,用于安装在人体脊椎的相邻两椎体终板间作为人造椎间盘, 其包含: 一对保持间隔而平行设置的上垫板与下垫板,以及一斜向连接于前述上、下垫板的对向边缘的弹性板,使前述三板连接组成一侧向截面呈Z字型的本体,所述弹性板在所述上垫板与所述下垫板之间提供充分的支撑力,从而使得该脊椎填充块的本体具有上、下方向的弹性变形能力; 其中,所述弹性板与所述上垫板及所述下垫板的接合处呈圆滑过渡,且在上垫板与下垫板的边缘设有向内翻折设置的c型或型唇缘,以及于该脊椎填充块本体设有一或复数的贯穿孔或凹洞。 1. A spinal spacer configured for mounting between two adjacent vertebral body endplate as an artificial intervertebral disc, comprising: a pair of spaced parallel retaining plate provided on the lower plate, and a swash of the pad attached to the elastic plate of the lower edge of the plate, so that the three side plates connected to form a Z-shaped form of the cross section of the body, the elastic plate and the lower plate in the upper between provides sufficient support force, so that the vertebral body spacer having upper and lower elastic deformability direction; wherein said plates are resilient and the smooth transition at the junction of the top plate and the bottom plate, It is provided on the pad and disposed inwardly folded lip type c or type of pad under the edge, and in the vertebral body is provided with a spacer or a plurality of through holes or cavities.
  2. 2. 如权利要求1所述的脊椎填充块构造,其中,在上垫板与下垫板的向外侧的主表面设有止滑构造。 2. The spinal spacer structure according to claim 1, wherein the anti-slip structure is provided with a main surface of the bottom plate to the outside on the pad.
  3. 3. 如权利要求2所述的脊椎填充块构造,其中,该止滑构造为多数锯齿状条纹或凹凸状的压花图案。 The spinal claim 2, the spacer structure, wherein the slip configured for most zigzag stripes or uneven embossing pattern.
  4. 4. 如权利要求1所述的脊椎填充块构造,其中,该脊椎填充块由复合材料制成,其复合材料选自于碳素纤维、聚醚醚酮之一所制成。 4. The spinal spacer structure according to claim 1, wherein the vertebral spacer made of composite material, which composite material is selected from carbon fiber, made of one of polyether ether ketone.
  5. 5. 如权利要求1所述的脊椎填充块构造,其中,该脊椎填充块由合金材料制成,其合金材料选自于钛合金、钽合金、不锈钢之一所制成。 The spinal spacer structure according to claim 1, wherein the vertebral spacer made of an alloy material, which material is selected from titanium alloys, tantalum alloys, one made of stainless steel.
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CN101828978A (en) * 2009-03-10 2010-09-15 郑诚功 Displacement spring and artificial intervertebral disk with displacement spring

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CN101828978A (en) * 2009-03-10 2010-09-15 郑诚功 Displacement spring and artificial intervertebral disk with displacement spring

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