CN103845107A - Supporting fixing plate for posterior door-opening of cervical vertebra - Google Patents

Supporting fixing plate for posterior door-opening of cervical vertebra Download PDF

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Publication number
CN103845107A
CN103845107A CN201410013741.3A CN201410013741A CN103845107A CN 103845107 A CN103845107 A CN 103845107A CN 201410013741 A CN201410013741 A CN 201410013741A CN 103845107 A CN103845107 A CN 103845107A
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door
plate
support
fixing
sides
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CN201410013741.3A
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CN103845107B (en
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侯勇
郭鲁闽
侯欣然
聂林
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侯勇
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates

Abstract

The invention relates to a supporting fixing plate for posterior door-opening of the cervical vertebra. The supporting fixing plate is characterized by comprising a shapeable bent bar-shaped titanium plate which comprises fixing plates on left and right sides and a supporting platform connected between the two fixing plates, wherein the supporting platform is provided with left and right side walls and a top surface connected between the left and right side walls; the left and right side walls are used for supporting the cervical vertebra and keeping the door-opening state; the top surface of the supporting platform is arranged as a downward sunken arc-shaped surface; included angles between the two side walls and the top surface are acute angles; nail holes are formed in fixing sections on two sides; bolts are mounted in the nail holes and are used for fixing a door-opening position on the cervical vertebra. The supporting fixing plate provided by the invention has the beneficial effects of simple structure, convenience and reliability in fixing and good supporting effect; a vertebral plate after the door-opening is effectively prevented from rebounding and closing the door; the vertebral plate is not inserted into neural canal; the arrangement is convenient and simple; the titanium alloy plate is convenient to shape according to the requirements.

Description

颈椎后路开门支撑固定板 A support plate fixed to the door of posterior cervical

技术领域 FIELD

[0001] 本发明属于手术用具,涉及一种颈椎后路开门支撑固定板。 [0001] The present invention pertains to surgical instruments, to a support fixed to the door posterior cervical plate.

背景技术 Background technique

[0002] 随着人口老龄化,颈椎管狭窄症的发病率逐渐增高,并严重影响人们的生活质量和寿命。 [0002] As the population ages, the incidence of cervical stenosis was gradually increased, and seriously affect people's quality of life and life expectancy. 颈椎管狭窄的手术方式包括颈前路、后路和前后路联合椎管减压术。 Cervical stenosis surgical procedures include anterior, posterior and anterior spinal decompression combined. 对于长节段颈椎管狭窄,颈后路手术具有明显的优势。 For long-segment cervical stenosis, Posterior surgery has obvious advantages. 颈椎单开门椎管扩大成形术成为治疗多节段脊髓型颈椎病、长节段颈椎后纵韧带骨化症和发育性颈椎管狭窄的有效方法。 Cervical single door, rear long segment OPLL cervical and cervical stenosis development of an effective method of treatment of multiple angioplasty become segmental spinal canal cervical spinal cord. 传统单开门椎板固定方式是缝线悬吊法,但丝线的切出、断裂或延伸,会导致椎板回弹,容易出现关门现象,造成开门失效和椎管再次狭窄。 Traditional single door lamina is fixedly suture sling procedure, but the cut-out wires, broken, or extend, the lamina will cause rebound phenomenon prone closed, resulting in failure to open the door again and spinal stenosis. 后路钛板依靠钛板自身设计的支撑作用,配合螺钉固定,达到早期支撑和固定掀开的椎板的目的,防止开门后的椎板过度活动,有利于轴侧骨质早期愈合;轴侧骨质愈合后结合钛板的支撑力能够为扩大的椎管提供稳定的支撑,防止关门。 Posterior titanium-standing role titanium design itself, with the screw, the purpose of supporting and fixing opened early in the lamina, the lamina to prevent the door overactivity, facilitate early bone healing shaft side; axis side titanium combined supporting force can provide stable support for the expansion of the spinal bone healing and prevent closing.

[0003]目前临床所用的支撑板有以下缺点:1.开口处可突入椎管,造成脊髓受压;2.安放困难;3.螺钉细小,固定不牢靠;4.塑形困难。 [0003] Currently used clinical support plate has the following disadvantages: 1 may protrude through the opening the spinal canal, spinal cord compression caused; 2 placed difficulties; small screw 3, is not firmly fixed; 4 shaping difficult.....

发明内容 SUMMARY

[0004] 本发明为了弥补现有技术的不足,提供了一种结构简单、固定方便牢靠、支撑效果好的颈椎后路开门支撑固定板。 [0004] The present invention, in order to compensate for deficiencies of the prior art, provides a simple structure, easy firmly fixed, a good supporting effect of posterior cervical fixation plate supporting the door.

[0005] 本发明是通过如下技术方案实现的: [0005] The present invention is achieved by the following technical solutions:

本发明的颈椎后路开门支撑固定板,其特征在于:包括一个可塑形的曲折的条形钛板,条形钛板包括左右两侧的固定板和连·接在中间的支撑台,支撑台有用于支撑颈椎保持开门状态的左右两个侧面和连接在中间的顶面,支撑台顶面为向下凹陷的圆弧面,两个侧面与顶面之间的夹角为锐角,两侧的固定段设有钉孔,钉孔内安装螺钉以固定在颈椎上开门处。 Posterior Cervical support according to the invention the door fixing plate, characterized by: comprising a strip-shaped meandering titanium, including titanium bar fixing plate and the right and left sides connected to the middle-support table, the support table there are two right and left sides for supporting the cervical spine holding open state and a top surface connected to the middle of the top surface of the support base is recessed downwardly arcuate surface, two side surfaces and the angle between the top surface is an acute angle, on both sides of fixing section is provided with the nail hole, the nail hole to secure the mounting screws in the cervical spine at the door.

[0006] 优选方案为,每侧具有一个或两个钉孔,两侧的钉孔个数相同或不同。 [0006] as a preferred embodiment, each side having one or two nail holes, the same or a different number of sides of the nail holes.

[0007] 用于单开门手术时,固定在椎板侧的固定板有两个钉孔,固定在侧块侧的固定板有一个钉孔。 [0007] When a single door operation, in a fixed side plate lamina has two nail holes, fixed to the side plate fixing block has a side nail holes.

[0008] 用于双开门手术时,两侧的固定板都是有两个钉孔。 [0008] When the operation for double-door, both sides of the fixing plate are two nail holes.

[0009] 支撑台的左右两个侧面向外倾斜,形成顶部宽度大于根部宽度的结构。 [0009] The left and right sides of the support base is inclined outwardly, forming a top structure width greater than the width of the root.

[0010] 条形钛板厚度1mm、宽度6mm,支撑台顶面凹陷处长度12mm-14mm,支撑台侧面长度3mm,螺钉直径3.5mm,长度4mm、6mm或8mm,为自攻松质骨螺钉。 [0010] The titanium strip thickness 1mm, width 6mm, length of the support surface of the table top recess 12mm-14mm, the length of the support table side 3mm, screw diameter 3.5mm, length 4mm, 6mm, or 8mm, self-tapping cancellous bone screws.

[0011] 本发明的有益效果是,结构简单、固定方便牢靠、支撑效果好,能有效的预防开门后的椎板回弹和关门,不会突入椎管,安放简便,钛合金板便于根据需要塑形。 [0011] Advantageous effects of the present invention is simple in structure, easy to firmly fixed, good supporting effect, can effectively prevent the lamina spring back after opening and closing, not broke into the spinal canal, simple mounting, as necessary to facilitate the titanium plate shaping.

附图说明 BRIEF DESCRIPTION

[0012] 图1、2依次为单开门用颈椎后路开门支撑固定板的主视图和俯视图。 [0012] FIG 2 is a single turn with door open Posterior Cervical support a front view and a top view of the fixed plate. 图3、4依次为双开门用颈椎后路开门支撑固定板的主视图和俯视图。 3 and 4 is a double door by sequentially open Posterior Cervical support a front view and a top view of the fixed plate. 图5为单开门使用状态示意图,图6为双开门使用状态示意图。 5 is a schematic view of a single door usage state, FIG. 6 is a schematic view of a double door use.

[0013] 图中,I固定板,2侧面,3顶面,4钉孔,5椎板侧,6侧块侧,7螺钉,8颈椎后路开门 [0013] FIG., The I fixed plate 2 side, three face, four nail holes, lamina 5 side, side side block 6, the screws 7, 8 open posterior cervical

支撑固定板。 Fixing the support plate.

具体实施方式 Detailed ways

[0014] 附图为本发明的一种具体实施例。 [0014] A particular embodiment of the present invention the drawings.

[0015] 本发明的颈椎后路开门支撑固定板8,包括一个可塑形的曲折的条形钛板,条形钛板包括左右两侧的固定板I和连接在中间的支撑台,支撑台有用于支撑颈椎保持开门状态的左右两个侧面2和连接在中间的顶面3,支撑台顶面为向下凹陷的圆弧面,两个侧面与顶面之间的夹角为锐角,两侧的固定段设有钉孔4,钉孔内安装螺钉7以固定在颈椎上开门处。 [0015] Posterior Cervical support according to the present invention, the door fixing plate 8, comprising a strip shaped meandering titanium, titanium bar includes left and right sides of the fixing plate and the connection I intermediate support table, the support table is useful holding open state in the left and right sides support the spine and the connector 2 in the middle of the top surface 3, a support table top surface is downwardly concave circular arc, the angle between the two sides and the top surface is an acute angle, on both sides the fixing section 4 is provided with the nail hole, the nail hole to secure the mounting screws 7 open at the upper cervical spine.

[0016] 优选方案为,每侧具有一个或两个钉孔,两侧的钉孔个数相同或不同。 [0016] as a preferred embodiment, each side having one or two nail holes, the same or a different number of sides of the nail holes.

[0017] 用于单开门手术时,固定在椎板侧5的固定板有两个钉孔,固定在侧块侧6的固定板有一个钉孔。 When a single door operation [0017] for two nail holes in the fixed-side fixing lamina plate 5 fixed to a nail hole in the side plate 6 of the side of the fixed block.

[0018] 用于双开门手术时,两侧的固定板都是有两个钉孔。 [0018] When the operation for double-door, both sides of the fixing plate are two nail holes.

[0019] 支撑台的左右两个侧面向外倾斜,形成顶部宽度大于根部宽度的结构。 [0019] The left and right sides of the support base is inclined outwardly, forming a top structure width greater than the width of the root.

[0020] 本发明属于骨科颈椎后路开门术后的支撑固定板。 [0020] The present invention belongs to the posterior cervical orthopedic support plate fixed to the door post. 由曲折的条形钛板和螺钉组成,分为两种:单开门(I型)和双开门(II型)。 And a meandering strip and screws titanium, divided into two types: single door (I type) and a double-door (II type).

[0021] 支撑板材料为钛合金,呈一曲折的条形,厚度Imm,宽度6mm。 [0021] The support material is a titanium plate, a tortuous form of stripes, Imm, thickness, width 6mm. 曲折凹陷处呈弧形,长12mm, 14mm。 Meandering curved recess length 12mm, 14mm. 转折处长3mm,呈锐角。 Director turning 3mm, an acute angle. I型板椎板侧钉孔两个,侧块侧钉孔I个,II型板两侧各有两个钉孔,直径3.5mm。 Two side plate lamina I nail holes, hole-side block side nail the I, II sides of each plate two peg holes, diameter 3.5mm. 螺钉直径3.5mm,长度4mm, 6mm, 8mm,为自攻松质骨螺钉。 Screw diameter 3.5mm, length 4mm, 6mm, 8mm, self-tapping cancellous bone screws.

[0022] 单开门手术方法:患者全麻后俯卧位,取标准颈后路切口,显露C3- C7椎板、棘突、侧块,根据狭窄节段,C3- C7 (或C6)作为减压节段,在侧块和椎板交界处,球形磨钻于轴侧彻底去除背侧皮质并磨薄腹侧皮质但保持其连续,形成“U”形槽,开门侧开槽并磨透全层椎板,向门轴侧完整缓慢掀起C3-C7 (或C6)椎板以扩大狭窄的椎管。 [0022] Single door operation: After general anesthesia prone position, take the standard posterior approach incision to expose C3- C7 laminae, spinous process, side block, according to the narrow segment, C3- C7 (or C6) under reduced pressure as segments, on the side blocks and the junction of the lamina, the spherical burr completely removed in shaft side and backside thinning ventral cortical cortex but remains continuously formed "U" shaped groove, the side door and the slotted worn through all layers lamina to complete a slow off-axis side door C3-C7 (or C6) to expand the narrow spinal lamina. 小心分离硬脊膜与黄韧带或椎板的粘连,仔细止血。 Carefully separate the dura and yellow ligament adhesions or lamina, careful hemostasis. 于开门处安放合适长度钛板(I型),钛板可根据椎板形态进行塑形,初步稳定后,用直径2.5mm磨钻于侧块及椎板侧钻孔,侧块侧用长度8mm螺钉I枚,椎板侧用长度6mm螺钉1-2枚行钛板固定。 Placed in the door at a suitable length titanium (I type), titanium lamina forms can be shaped according to, after initial stabilization, with 2.5mm diameter burr to the side block side and the lamina drilling, side by side block length 8mm I pieces screw, lamina side with a screw length of 6mm plate fixation line 1-2 pieces.

[0023] 双开门手术方法:患者全麻后俯卧位,取标准颈后路切口,显露C3- C7椎板、棘突、侧块,根据狭窄节段,C3- C7 (或C6)作为减压节段,在左右两侧的侧块和椎板交界处,球形磨钻彻底去除背侧皮质并磨薄腹侧皮质但保持其连续,形成“U”形槽,咬除棘突,于椎板中央开槽并磨透全层椎板,向左右两侧缓慢撑开C3-C7 (或C6)椎板以扩大狭窄的椎管。 [0023] The double-door operation: After general anesthesia prone position, take the standard posterior approach incision to expose C3- C7 laminae, spinous process, side block, according to the narrow segment, C3- C7 (or C6) under reduced pressure as segments, the left and right sides of the junction of the side blocks and the lamina, completely spherical burr removing backside cortex and ventral cortical thinning but keep continuously formed "U" shaped groove bite than the spinous process, lamina in central slotted and worn through all layers of the lamina, the left and right sides to slow the expansion C3-C7 (or C6) to expand the narrow spinal lamina. 小心分离硬脊膜与黄韧带或椎板的粘连,仔细止血。 Carefully separate the dura and yellow ligament adhesions or lamina, careful hemostasis. 于开门处安放合适长度钛板(II型),钛板可根据椎板形态进行塑形,初步稳定后,用直径2.5mm磨钻于两椎板钻孔,用长度4mm或6mm螺钉1-2枚行钛板固定。 Placed in the door at a suitable length titanium (II type), titanium lamina forms can be shaped according to, after initial stabilization, with 2.5mm diameter burr to drill two lamina, the length 4mm or 6mm screw 1-2 gold line plate fixation.

[0024] 本发明的优点:设计简单,使用方便,固定牢靠。 [0024] The advantages of the invention: simple, easy to use, securely.

[0025] 1.支撑板为钛合金,有良好的生物相容性,便于根据需要塑形。 [0025] 1. The support plate is a titanium alloy with good biocompatibility, ease of shaping according to need. 形状为曲折形,可保证钛板不会陷入椎管。 Zigzag shape, can not guarantee a titanium plate into the spinal canal.

[0026] 2.曲折凹陷处长12mm, 14mm,能决定开门的宽度,使其不会过小,也不会过大。 [0026] 2. The meander recess Commissioner 12mm, 14mm, able to determine the width of the door so that it is not too small nor too large. 呈弧形,可最大限度扩大椎管,不会压迫脊髓。 Curved, can maximize the spinal canal, spinal cord does not.

[0027] 3.转折处长3mm,可保证钛板不会突入椎管,压迫脊髓。 [0027] 3. The Director turning 3mm, can not guarantee the titanium plate broke into the spinal canal, spinal cord compression. 因颈椎板(Cl除外)C4、C5最薄,为3.0mm。 Due to cervical plate (except Cl) C4, C5 thinnest, is 3.0mm.

[0028] 4.转折处呈锐角,尖角可插入椎板和侧块处的松质骨,达到即刻稳定。 [0028] 4. The turning point at an acute angle, and the sharp side of the lamina can be inserted at block cancellous bone, to achieve immediate stability. 而且安放钛板十分简便牢靠,不会突入椎管, Titanium is very simple and reliable place, not broke into the spinal canal,

5.螺钉直径3.5mm,为自攻松质·骨螺钉,固定牢靠。 The screw diameter 3.5mm, · self-tapping cancellous bone screws, securely.

Claims (6)

1.一种颈椎后路开门支撑固定板,其特征在于:包括一个可塑形的曲折的条形钛板,条形钛板包括左右两侧的固定板和连接在中间的支撑台,支撑台有用于支撑颈椎保持开门状态的左右两个侧面和连接在中间的顶面,支撑台顶面为向下凹陷的圆弧面,两个侧面与顶面之间的夹角为锐角,两侧的固定段设有钉孔,钉孔内安装螺钉以固定在颈椎上开门处。 An open posterior cervical fixation support plate, characterized by: comprising a strip-shaped meandering titanium, titanium bar comprises a fixed plate and connected to the left and right sides of the intermediate support table, the support table is useful holding open state in both sides and support the spine in the middle of the top surface is connected around the support surface of the table top is downwardly concave arcuate surface, the angle between the two sides and the top surface of a fixed acute angle, on both sides of section is provided with nail holes, nail hole to secure the mounting screws in the cervical spine at the door.
2.根据权利要求1所述的颈椎后路开门支撑固定板,其特征在于:每侧具有一个或两个钉孔,两侧的钉孔个数相同或不同。 The posterior cervical door according to claim 1 fixed to the support plate, characterized in that: each side having one or two nail holes, the same or a different number of sides of the nail holes.
3.根据权利要求2所述的颈椎后路开门支撑固定板,其特征在于:用于单开门手术时,固定在椎板侧的固定板有两个钉孔,固定在侧块侧的固定板有一个钉孔。 The posterior cervical door according to claim 2 fixed supporting plate, wherein: a single door opening operation, are fixed two nail holes in the fixed plate side of the lamina, the fixing plate fixed to the side block side there is a nail holes.
4.根据权利要求2所述的颈椎后路开门支撑固定板,其特征在于:用于双开门手术时,两侧的固定板都是有两个钉孔。 According to claim 2, wherein the posterior cervical door fixing plate support, wherein: when a double-door operation, both sides of the fixing plate has two nail holes.
5.根据权利要求1-4中任意一项所述的颈椎后路开门支撑固定板,其特征在于:支撑台的左右两个侧面向外倾斜,形成顶部宽度大于根部宽度的结构。 The posterior cervical 1-4 to any one of claims door fixing the support plate, wherein: two right and left sides of the supporting table is inclined outwardly, forming a top width greater than the width of the root structure.
6.根据权利要求1-4中任意一项所述的颈椎后路开门支撑固定板,其特征在于:条形钛板厚度1mm、宽度6mm,支撑台顶面凹陷处长度12mm-14mm,支撑台侧面长度3mm,螺钉直径·3.5mm,长度4mm、6mm或8mm,为·自攻松质骨螺钉。 According to any of claims 1-4 posterior cervical a door fixing plate support, wherein: titanium strip thickness 1mm, width of 6mm, support the table top recess 12mm-14mm length, a support table length of side 3mm, screw diameter · 3.5mm, a length of 4mm, 6mm, or 8mm, · as self-tapping cancellous bone screws.
CN201410013741.3A 2014-01-13 2014-01-13 A support plate fixed to the door of posterior cervical CN103845107B (en)

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CN105769310A (en) * 2016-03-30 2016-07-20 山东省立医院 Vertebral plate fixing clamp for posterior bilateral expansive laminoplasty of cervical vertebra

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CN202313687U (en) * 2011-11-21 2012-07-11 王欢 Support body for posterior spinal open door laminoplasty
CN203169287U (en) * 2013-04-08 2013-09-04 戴维享 Cervical spinal canal forming support steel plate

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CN101584601A (en) * 2009-06-11 2009-11-25 哲 陈 Bone fracture plate formed by a vertebral plate
CN102247207A (en) * 2011-04-07 2011-11-23 雷伟 Universal omni-posterior-double lateral mass bridging board for cervical vertebra
CN202313687U (en) * 2011-11-21 2012-07-11 王欢 Support body for posterior spinal open door laminoplasty
CN203169287U (en) * 2013-04-08 2013-09-04 戴维享 Cervical spinal canal forming support steel plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105769310A (en) * 2016-03-30 2016-07-20 山东省立医院 Vertebral plate fixing clamp for posterior bilateral expansive laminoplasty of cervical vertebra

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