CN104135970B - 脊椎架 - Google Patents

脊椎架 Download PDF

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CN104135970B
CN104135970B CN201380005024.XA CN201380005024A CN104135970B CN 104135970 B CN104135970 B CN 104135970B CN 201380005024 A CN201380005024 A CN 201380005024A CN 104135970 B CN104135970 B CN 104135970B
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CN104135970A (zh
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U·阿尔宁
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Aifu Co Ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical 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
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7002—Longitudinal elements, e.g. rods
    • A61B17/7014—Longitudinal elements, e.g. rods with means for adjusting the distance between two screws or hooks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical 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
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical 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
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • A61B17/7076—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F2/00—Filters 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/442—Intervertebral or spinal discs, e.g. resilient
    • A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F2/00—Filters 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
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  • Transplantation (AREA)
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  • Surgical Instruments (AREA)
  • Prostheses (AREA)
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Abstract

一种脊椎架(80)包括能够附接到椎骨(83、85)的第一和第二脊椎附接部件(82，84)，所述第一和第二脊椎附接部件(82，84)借助铰接接头(86，88)相互铰接，其特征在于，所述脊椎架还包括楔元件(90)和致动器(92)，所述楔元件布置成楔入所述第一和第二脊椎附接部件(82，84)之间，所述致动器连接于所述楔元件(90)，以在使所述楔元件(90)进一步楔入所述第一和第二脊椎附接部件(82，84)之间或进一步远离所述第一和第二脊椎附接部件(82，84)的方向上移动所述楔元件(90)。

Description

脊椎架
技术领域
本发明总体上涉及一种脊椎植入物和假体，并且尤其涉及一种可旋转的脊椎架。
背景技术
脊柱侧凸是一种影响很多人的脊柱畸形。当前的手术治疗包括借助椎弓根螺钉将长的融合杆加接至脊椎。杆系统的目的在于将变形的脊椎强制推到更为健康的位置。通常通过融合治疗的其他脊椎错位包括脊柱后凸过度和脊柱前凸过度。
发明内容
本发明也寻求提供一种改进的方法以通过使用插入到相邻的椎骨主体之间的脊椎架来矫正脊柱畸形。脊椎架以这样的方式构建：其具有可旋转枢轴以及允许在一个方向上旋转而防止在相反方向上旋转的机构。
在本发明的一个实施方式中，脊椎架通过能够沿着倾斜表面朝向架的旋转中心滑动或移动的楔子来实现旋转(枢转)。楔子可以通过由致动器(例如弹簧或其他构件)进行推拉来移动。楔子也可以借助轴、通过经皮手术或借助可植入机构(例如电动马达、磁体装置或本领域技术人员已知的其他手段)来致动、拉动或推动。
在本发明的一个实施方式中，脊椎架可以包含棘齿机构。在植入脊椎架之后，并且在患者从手术中恢复后，鼓励患者向矫正的方向弯曲。可旋转机构捕获任何微小的递增的角度矫正，并且因此允许病人的身体习惯新的位置。这样，一步一步慢慢递增，能够矫正畸形。
附图说明
结合附图，根据下面的详细描述可以更充分理解和领会本发明，其中：
图1是根据本发明的非限制性实施方式构造和操作的单向可旋转的脊椎架的纵向截面的简化视图；
图2是根据本发明一实施方式的图1所示的脊椎架的第一脊椎附接部件和第二脊椎附接部件的简化视图。
图3是根据本发明另一实施方式构造和操作的并且包括棘齿机构的单向可旋转的脊椎架的简化视图。
具体实施方式
现在参照图1，其示出了根据本发明一实施方式构造和操作的可旋转的脊椎架80。
脊椎架80包括第一脊椎附接部件82和第二脊椎附接部件84，这两个脊椎附接部件可以是但不限于平板。第一脊椎附接部件82和第二脊椎附接部件84分别连接到两个相邻的椎骨83和85。这些板可以具有与椎骨交接的粗糙或不平整的表面以加强与椎骨或组织的结合(也可以使用其他粘合增强件，例如用于与组织等结合的涂层等)。例如，脊椎架80的固定可以通过长钉、螺钉或其他本领域技术人员已知的手段来增强。
第一脊椎附接部件82和第二脊椎附接部件84通过铰接接头相互铰接。因而，脊椎架80可以以一个旋转自由度上绕铰接接头枢转。在所示的实施方式中，铰接接头包括阳部件86，该阳部件以枢转的方式接收纳于阴部件88中。在所示的实施方式中，阳部件86从第一脊椎附接部件82延伸出，阴部件88形成于第二脊椎附接部件84中。反之亦然。
楔元件90布置成楔入第一脊椎附接部件82和第二脊椎附接部件84之间。楔元件90可具有大体锥形或梯形形状或其他可以被第一脊椎附接部件82和第二脊椎附接部件84容纳的形状。致动器92连接于楔元件90，以在使楔元件90进一步楔入部件82和84之间(即增加楔入效果)或进一步远离部件82和84(即减弱楔入效果)的方向上移动楔元件90。致动器92可以是但不限于弹簧、马达、线性致动器、螺线管等。致动器92可以直接或通过线绳、棒、或任何其他连接元件推拉楔元件90。
第一脊椎附接部件82和第二脊椎附接部件84的接触楔元件90的表面可以被抛光、粗糙化、有沟槽等，以增加楔子和部件之间的摩擦。在一个实施方式中，楔元件90可以具有螺纹孔、销、沟槽等，以利用工具来夹持从而能够拉动楔子并释放该单向机构并且允许附接部件82和84朝另一方向的旋转。
现在参照图2，可以看出第一脊椎附接部件82和第二脊椎附接部件84可以形成有沟槽94以在其中容纳楔元件90(图2中未示出)。接纳在凹陷96中的止动器95可设置在第一脊椎附接部件82和第二脊椎附接部件84上。致动器92可以附接于止动器95，如图1所示。止动器可以用来限制脊椎架80的转动。
现在参考图3，其示出根据本发明一实施方式构造和操作的另一形式的可旋转脊椎架80。在本实施方式中，包括棘爪102和齿条104的棘齿机构100安装在第一脊椎附接部件82和第二脊椎附接部件84上。这样，脊椎架80可以在任何期望的旋转方向上旋转和锁定。

Claims (7)

1.一种脊椎架(80)，该脊椎架包括：
能够附接到椎骨(83，85)的第一和第二脊椎附接部件(82，84)，所述第一和第二脊椎附接部件(82，84)借助铰接接头(86，88)相互铰接；
其特征在于，该脊椎架还包括楔元件(90)和致动器(92)，所述楔元件布置成用于楔入第一和第二脊椎附接部件(82，84)之间，所述致动器包括弹簧，该弹簧连接于所述楔元件(90)，以在将所述楔元件(90)进一步楔入所述第一和第二脊椎附接部件(82，84)之间或进一步远离所述第一和第二脊椎附接部件(82，84)的方向上移动所述楔元件(90)。
2.根据权利要求1所述的脊椎架(80)，其中，所述铰接接头包括阳部件(86)，该阳部件以枢转的方式接纳于阴部件(88)中。
3.根据权利要求1所述的脊椎架(80)，其中，所述第一和第二脊椎附接部件(82，84)形成有沟槽(94)，以在所述沟槽中容纳所述楔元件(90)。
4.根据权利要求1所述的脊椎架(80)，其中，包括棘爪(102)和齿条(104)的棘齿机构(100)安装在所述第一和第二脊椎附接部件(82，84)上。
5.根据权利要求1所述的脊椎架(80)，其中，所述铰接接头(86，88)允许在一个旋转自由度上绕其进行铰接。
6.根据权利要求1所述的脊椎架(80)，其中，所述第一和第二脊椎附接部件(82，84)包括平板。
7.根据权利要求1所述的脊椎架(80)，其中，止动器(95)接纳在设置于所述第一和第二脊椎附接部件(82，84)上的凹槽(96)中。
CN201380005024.XA 2012-01-09 2013-01-07 脊椎架 Active CN104135970B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201261631667P 2012-01-09 2012-01-09
US61/631,667 2012-01-09
US201261690835P 2012-07-06 2012-07-06
US61/690,835 2012-07-06
US201261743418P 2012-09-04 2012-09-04
US61/743,418 2012-09-04
PCT/US2013/020454 WO2013106263A2 (en) 2012-01-09 2013-01-07 Spinal cage

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CN104135970A CN104135970A (zh) 2014-11-05
CN104135970B true CN104135970B (zh) 2016-08-24

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KR (2) KR101998141B1 (zh)
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