KR101453440B1 - Intervertebral implant for spinous process - Google Patents

Intervertebral implant for spinous process Download PDF

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Publication number
KR101453440B1
KR101453440B1 KR1020130137594A KR20130137594A KR101453440B1 KR 101453440 B1 KR101453440 B1 KR 101453440B1 KR 1020130137594 A KR1020130137594 A KR 1020130137594A KR 20130137594 A KR20130137594 A KR 20130137594A KR 101453440 B1 KR101453440 B1 KR 101453440B1
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South Korea
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latching member
hanging member
spinous process
hooked
ratchet
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KR1020130137594A
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Korean (ko)
Inventor
윤도흠
김긍년
하윤
이성
신동아
박삼선
윤홍원
이광훈
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주식회사 앤트테크놀로지
윤홍원
박삼선
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Priority to KR1020130137594A priority Critical patent/KR101453440B1/en
Priority to PCT/KR2014/008003 priority patent/WO2015072655A1/en
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Publication of KR101453440B1 publication Critical patent/KR101453440B1/en
Priority to US14/876,127 priority patent/US20160022324A1/en

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    • 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
    • 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
    • A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
    • A61B17/7065—Devices with changeable shape, e.g. collapsible or having retractable arms to aid implantation; Tools therefor
    • 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
    • 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
    • A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
    • A61B17/7068—Devices comprising separate rigid parts, assembled in situ, to bear on each side of spinous processes; Tools therefor
    • 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
    • A61F2/28—Bones
    • 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
    • A61F2/28—Bones
    • A61F2/2846—Support means for bone substitute or for bone graft implants, e.g. membranes or plates for covering bone defects
    • 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
    • A61F2/4405—Joints for the spine, e.g. vertebrae, spinal discs for apophyseal or facet joints, i.e. between adjacent spinous or transverse processes
    • 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
    • A61F2/28—Bones
    • A61F2/2846—Support means for bone substitute or for bone graft implants, e.g. membranes or plates for covering bone defects
    • A61F2002/285—Fixation appliances for attaching bone substitute support means to underlying bone

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Transplantation (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Vascular Medicine (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)

Abstract

The present invention relates to an implant for a spinous process, wherein a vertebral body having lesions can be fixed to a spinous process through a hanging technique with minimized amputation and without using a pedicle screw. A top hanging member is installed to be hung on one spinous process. A bottom hanging member is installed to be hung on another adjacent spinous process. The top hanging member is coupled with the bottom hanging member, and intervals in a vertebral body having lesions are decreased to be fixed by means of a fixing bolt. The top hanging member is hung on the spinous process in a lesion part. A state in which the bottom hanging member coupled with the top hanging member is hung on the other adjacent spinous process and a state in which the top hanging member and bottom hanging member are pulled to be closely adhered are fixed using a fixing bolt, so that the top hanging member and bottom hanging member which are hung on the spinous process can be stably fixed. At the same time, the fixed state can be stably maintained by means of a top ratchet and a bottom ratchet which are respectively formed on the top hanging member and the bottom hanging member.

Description

극상돌기용 임플란트{INTERVERTEBRAL IMPLANT FOR SPINOUS PROCESS}[0001] INTERVERTEBRAL IMPLANT FOR SPINOUS PROCESS [0002]

본 발명은 극상돌기용 임플란트에 관한 것으로, 더욱 상세하게는 최소한의 절개를 통해 나사못(Pedicle Screw)을 이용하지 않고 극상돌기와 극상돌기를 걸림 방식을 이용하여 병변이 있는 척추체를 고정시켜 줄 수 있도록 한 극상돌기용 임플란트에 관한 것이다.
[0001] The present invention relates to an implant for a fulcrum projection, and more particularly, to a method for fixing a vertebral body having a lesion using a method of interposing a fulcrum projection and a fulcrum projection through a minimal incision without using a pedicle screw The present invention relates to an implant for a superficial projection.

일반적으로, 척추는 모두 33개의 뼈로 구성되어 몸을 지탱해 주고 척추신경을 보호하는 역할을 하는 것으로서, 목부분에 위치하는 경추 7개, 가슴부분에 위치하는 흉추 12개, 허리부분에 위치하는 요추 5개, 골반부분에 위치 하는 천추 5개 및 꼬리부분에 위치하는 미골 4개로 구성되어 있다.Generally, the vertebra is made up of 33 bones, which supports the body and protects the spinal nerves. There are seven cervical vertebrae, 12 thoracic vertebrae, 5 pelvis, 5 pelvis in the pelvis, and 4 pelvis in the tail.

척추는 위와 같이 독립된 다수개의 추체들로 이루어져 있으며, 이들은 각각 관절마디로 연결되어 있고 각 관절 사이에는 연질의 디스크(또는 물렁뼈)가 채워져 연결되어 있다. 이러한 형태의 척추는 완충작용을 하면서 다양한 모양의 자세를 지탱해 주고 신체 내의 기관들을 보호하는 역할을 한다.The vertebrae consist of a large number of independent vertebrae, each of which is connected by a joint node, and between each joint is filled a soft disk (or a bone of the cheongsong). This type of spine acts as a buffer to support various postures and to protect the organs in the body.

척추는 다양한 해부학적 요소로 구성된 복합한 구조로 되어 있으며, 신체에 유연성 및 복원성을 제공하는 구조로 되어 있다. The spine has a complex structure composed of various anatomical elements and has a structure that provides flexibility and resilience to the body.

상기 척추는 추골로 구성되어 있으며, 각 추골체(vertebral body)는 원통형 형상으로 되어 있다. The vertebral body is composed of vertebral bodies, and each vertebral body has a cylindrical shape.

서로 인접한 추골체의 반대쪽은 서로 연결되고, 동시에 섬유연골재로 이루어진 상호추골 디스크(또는 디스크)에 의하여 분리되어 있다. The opposite sides of the adjacent vertebral bodies are connected to each other, and at the same time separated from each other by a mutual vertebral disc (or disc) made of fibrous cartilage material.

또한, 상기 추골체들은 과도한 움직임을 제한하고 및 안정성을 제공하고자 상호 작용하게 되는 복잡한 인대 조직에 의하여 서로 연결되어 있다. In addition, they are interconnected by complex ligament tissues that interact to limit excessive movement and provide stability.

상기 추골은 외측 괴(lateral mass)로 명명되는 두꺼운 측면부를 포함한다. 각각의 외측 괴는 그 상부 및 내측상에 추관절돌기(facets)를 포함한다. The vertebrae include thick side portions called lateral masses. Each lateral mass includes facial fingers on its upper and medial sides.

단일추골의 추관절 돌기는 다음의 인접한 추골의 내측 추관절돌기와 결합되어진다. 이러한 추관절돌기의 결합은 소위 추간관절로 명명된다.The protrusions of the trunk of a single vertebra are combined with the protrusions of the internal trunk of the next vertebrae. The association of these protrusions is called the so-called intervertebral joint.

안정적인 척추는 무력하게 만드는 통증(incapacitating pain), 진행성 기형(progressive deformity) 및/또는 신경학적 손상(neurological compromise)을 예방하는 것이 중요하다 하겠다. It is important to prevent incapacitating pain, progressive deformity, and / or neurological compromise in stable vertebrae.

척추의 인대 손상에 대한 현행 수술적 치유 방법은 추간관절 캡슐(facet joint capsules)의 제거 및 관절에 대한 관절고정술을 포함한다. Current surgical methods for the treatment of ligament injuries of the spine include removal of facet joint capsules and joint fixation to the joints.

이러한 경우, 하위의 경추부에 대한 불안정성을 치료함에 있어서, 보통 인접한 추골의 외측 괴를 통하여 연장되는 스크류를 사용하고 있다. In this case, in treating the instability of the lower cervical vertebrae, screws are usually used that extend through the lateral mass of the adjacent vertebra.

이러한 방식에 포함된 문제점은 외측 괴에 대한 스크류 삽입시, 척추 신경에 대한 손상이 발생 될 수 있는 점에 있다.
The problem involved in this approach is that damage to the spinal nerve can occur when screws are inserted into the lateral mass.

상기한 문제점을 해결하기 위한 것으로 본 발명은 최소한의 절개를 통해 나사못(Pedicle Screw)을 이용하지 않고 극상돌기와 극상돌기를 걸림 방식을 이용하여 병변이 있는 척추체를 고정시켜 줄 수 있도록 한 극상돌기용 임플란트를 제공하는데 목적이 있다.
According to an aspect of the present invention, there is provided an implant for a superficial projection, which is capable of fixing a vertebral body having a lesion by using a method of interposing a superficial projection and a superficial projection through a minimum incision without using a pedicle screw, The purpose of this paper is to provide

상기한 목적을 달성하기 위한 본 발명은 극상돌기용 임플란트에 있어서, 하나의 극상돌기에 상부걸림부재를 걸려지게 설치하고; 인접한 다른 극상돌기에 하부걸림부재를 걸려지게 설치하며; 상부걸림부재와 하부걸림부재를 결합하여 별도의 기구에 의해 병변이 있는 척추체의 간격을 줄인 후 고정볼트를 통해 상부걸림부재와 하부걸림부재를 고정하는 것을 특징으로 하는 극상돌기용 임플란트를 제공한다.According to an aspect of the present invention, there is provided an implant for a superficial projection, wherein an upper latching member is hung on one of the uppermost projections, And the lower latching member is hooked on other adjacent uppermost protrusions; And the upper and lower latching members are coupled to each other to separate the space of the vertebrae having the lesion by a separate mechanism, and then the upper latching member and the lower latching member are fixed through the fixing bolts.

또한, 본 발명은 상기 상부걸림부재는 'ㄷ'자 형상으로 형성되는 상부몸체와; 하부걸림부재의 위치를 고정할 수 있도록 상부몸체의 내측에 일면에 형성되는 상부래칫과; 상부걸림부재와 하부걸림부재가 고정되도록 고정볼트가 결합되는 고정공과; 상부걸림부재에 결합된 하부걸림부재의 회동을 방지할 수 있도록 상부몸채 내측에 형성되는 회전방지턱과; 하나의 극상돌기에 걸려질 수 있도록 상부몸체 일측에 일체로 형성되는 상부고리를 포함하여 구성되는 것을 특징으로 하는 극상돌기용 임플란트를 제공한다.Further, the present invention is characterized in that the upper latching member comprises an upper body formed in a 'C' shape; An upper ratchet formed on an inner surface of the upper body so as to fix a position of the lower latching member; A fixing hole to which the fixing bolt is coupled so that the upper locking member and the lower locking member are fixed; A rotation preventing jaw formed inside the upper body so as to prevent rotation of the lower engaging member coupled to the upper engaging member; And an upper ring which is integrally formed on one side of the upper body so as to be caught by one of the upper extremity protrusions.

또한 본 발명은 상기 하부걸림부재는 상부몸체 내측에서 이동 및 회동 가능하게 설치되는 하부몸체와; 상기 상부래칫와 맞물려 그 위치를 고정할 수 있도록 하부몸체 내측에 일면에 형성되는 하부래칫와; 고정볼트와 결합하여 상부몸체 내측에서 이동 및 회동 될 수 있도록 하부몸체에 형성되는 장공과; 상부걸림부재가 걸려진 극상돌기에 인접한 다른 극상돌기에 걸려질 수 있도록 상기 하부몸체 일측에 일체로 형성되는 하부고리를 포함하여 구성되는 것을 특징으로 하는 극상돌기용 임플란트를 제공한다.Further, according to the present invention, the lower latching member includes a lower body installed to be movable and rotatable from the inside of the upper body; A lower ratchet formed on one surface of the lower body so as to be engaged with the upper ratchet and fix its position; A slot formed in the lower body so as to be movable and pivotable inside the upper body in association with the fixing bolt; And a lower ring integrally formed on one side of the lower body so that the upper latching member can be caught by other upper lip adjacent to the hooked upper lip.

또한, 상기 상부걸림부재의 내측으로 인입되어 결합되는 하부걸림부재의 장공에 상부걸림부재의 고정공에 결합된 고정볼트가 인입되어 결합되고, 상기 상부걸림부재의 내측으로 인입되어 결합된 하부걸림부재가 상부걸림부재의 일측에서 고정볼트에 지지되어 회동하거나 또는 상부걸림부재의 길이방향으로 이동되게 설치되는 것을 특징으로 하는 극상돌기용 임플란트를 제공한다.
In addition, a fastening bolt coupled to the fastening hole of the upper fastening member is inserted and coupled to the elongated hole of the lower fastening member which is inserted into the upper fastening member and coupled to the inside of the upper fastening member, Is provided on one side of the upper fastening member so as to be supported by the fastening bolt and to be rotated or moved in the longitudinal direction of the upper fastening member.

본 발명은 병변이 있는 부분의 극상돌기에 상부걸림부재를 걸고, 상부걸림부재에 결합된 하부걸림부재를 인접한 다른 극상돌기에 걸은 상태에서 상기 상부걸림부재와 하부걸림부재가 서로 밀착되도록 당긴 상태에서 고정볼트를 이용하여 그 상태를 고정하므로 극상돌기에 걸려진 상부걸림부재와 하부걸림부재가 안정적으로 고정됨과 동시에 상부걸립부재와 하부걸림부재에 각각 형성된 상부래칫와 하부래칫에 의해 그 고정이 안정적으로 유지되는 효과가 있다.The present invention is characterized in that the upper latching member is hooked on the uppermost protrusion of the lesion portion and the upper latching member and the lower latching member are pulled in close contact with each other while the lower latching member coupled to the upper latching member is hooked The upper and lower latching members and the lower latching member that are hooked on the uppermost protrusion are stably fixed, and the upper latching member and the lower latching latch, respectively formed on the upper latching member and the lower latching member, .

또한, 본 발명에 의한 극상돌기용 임플란트를 설치할 시에 최소 절개를 통해 병변이 있는 척추의 극상돌기에 걸려지도록 설치하므로 나사못을 이용한 고정술에 의한 문제점, 즉, 척추경에 천공에 의한 고정에 따른 신경의 손상 등을 방지하는 효과가 있다.
In addition, when the implant of the present invention is installed, it is installed so as to be hooked on the tip of the vertebrae of the lesion through the minimal incision. Therefore, problems caused by fixation using a screw, that is, And the like.

도 1은 본 발명에 의한 극상돌기용 임플란트의 구성은 나타낸 분리사시도.
도 2는 도 1의 극상돌기용 임플란트가 결합된 상태를 나타낸 사시도.
도 3a은 본 발명에 의한 극상돌기용 임플란트의 상부걸림부재가 극상돌기에 걸려지는 상태를 나타낸 구성도.
도 3b는 본 발명에 의한 극상돌기용 임플란트의 하부걸림부재가 극상돌기에 걸려지는 상태를 나타낸 구성도.
도 3c는 본 발명에 의한 극상돌기용 임플란트가 병변이 있는 극상돌기와 다른 극상돌기의 간격을 줄이는 상태를 나타낸 구성도.
도 3d는 본 발명에 의한 극상돌기용 임플란트가 병변이 있는 극상돌기와 다른 극상돌기에 고정된 상태를 나타낸 구성도.BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view showing the configuration of a tooth tip implant according to the present invention; Fig.
FIG. 2 is a perspective view showing a state in which the implant for the tip projecting portion of FIG. 1 is engaged. FIG.
FIG. 3A is a schematic view showing a state in which the upper latching member of the implant for a superficial projection according to the present invention is caught by the protrusions. FIG.
FIG. 3B is a schematic view showing a state in which the lower latching member of the implant for the superficial projection according to the present invention is caught by the protrusions. FIG.
FIG. 3c is a schematic view showing a state where the gap between the chief protrusions having lesions and the other chief protrusions is reduced in the chief implant according to the present invention.
FIG. 3D is a schematic view showing a state in which the implant for a fingernail protrusion according to the present invention is fixed to a lesion-like tip protrusion and other tip protrusions.

본 발명은 다양한 변경을 가할 수 있고 여러 가지 실시 예를 가질 수 있는바, 특정 실시 예들을 도면에 예시하고 상세한 설명에 상세하게 설명하고자 한다.While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail.

그러나 이는 본 발명을 특정한 실시 형태에 대한 한정하려고 하는 것이 아니며, 본 발명의 사상 및 기술 범위에 포함되는 모든 변경, 균등물 내지 대체물을 포함하는 것으로 이해되어야 한다.It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

각 도면을 설명하면서 유사한 참조부호를 유사한 구성요소에 대해 사용한다. 제1, 제2 등의 용어는 다양한 구성요소들을 설명하는데 사용될 수 있지만, 상기 구성요소들은 상기 용어들에 의해 한정되지 않는다. 상기 용어들은 하나의 구성요소를 다른 구성요소로부터 구별하는 목적으로만 사용된다.Like reference numerals are used for similar elements in describing each drawing. The terms first, second, etc. may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

예를 들어, "및/또는" 이라는 용어는 복수의 관련된 기재된 항목들의 조합 또는 복수의 관련된 기재된 항목들 중의 어느 항목을 포함한다. For example, the term "and / or" includes any combination of a plurality of related listed items or any of a plurality of related listed items.

다르게 정의되지 않는 한, 기술적이거나 과학적인 용어를 포함해서 여기서 사용되는 모든 용어들은 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 일반적으로 이해되는 것과 동일한 의미가 있다.Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

일반적으로 사용되는 사전에 정의되어 있는 것과 같은 용어들은 관련 기술의 문맥상 가지는 의미와 일치하는 의미가 있는 것으로 해석되어야 하며, 본 출원에서 명백하게 정의하지 않는 한, 이상적이거나 과도하게 형식적인 의미로 해석되지 않아야 한다.Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be construed as ideal or overly formal in meaning unless explicitly defined in the present application Should not.

이하, 본 발명에 의한 극상돌기용 임플란트의 구성을 첨부된 도면을 통해 상세하게 설명하면 다음과 같다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the structure of an implant for a tip protrusion according to the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 의한 극상돌기용 임플란트의 구성은 나타낸 분리사시도이고, 도 2는 도 1의 극상돌기용 임플란트가 결합된 상태를 나타낸 사시도이다.FIG. 1 is an exploded perspective view showing a configuration of a tip implant according to the present invention, and FIG. 2 is a perspective view showing a state where the implant for a tip projection of FIG. 1 is engaged.

도 1 및 도 2에 도시된 바와 같이, 본 발명은 병변이 있는 척추의 극상돌기에 걸려질 수 있도록 형성된 상부걸림부재(10)가 구성되고, 상기 상부걸림부재(10)의 내측에서 회동 및 이동이 용이하게 하부걸림부재(20)가 결합되고, 병변이 있는 척추의 극상돌기와 다른 인접한 극상돌기의 간격이 좁혀진 상태를 유지할 수 있도록 상부걸림부재(10)와 하부걸림부재(20)를 고정볼트(30)로 고정한다. As shown in FIGS. 1 and 2, the present invention includes an upper locking member 10 formed to be hooked on a fulcrum of a vertebrae having a lesion, wherein the upper locking member 10 is rotated and moved The upper latching member 10 and the lower latching member 20 are fixed to the fixing bolt 20 so that the lower latching member 20 can be easily coupled and the interval between the chief protrusion of the vertebrae having the lesion and other adjacent upper- 30).

상기 상부걸림부재(10)는 'ㄷ'자 형상으로 상부몸체(11)가 형성되고, 상기 하부걸림부재(20)의 위치를 고정할 수 있도록 상부몸체(11)의 내측에 일면에 상부래칫(12)이 형성되며, 상기 상부걸림부재(10)와 하부걸림부재(20)의 위치가 고정되도록 고정볼트(30)가 끼워지는 고정공(13)을 형성하고, 상기 상부걸림부재(10)에 내측에 결합 된 하부걸림부재(20)가 상부걸림부재(10)의 내측에서 회동하는 것을 방지할 수 있도록 회전방지턱(14)이 상기 상부몸체(11) 내측에 복수로 형성되며, 병변이 발생한 척추의 극상돌기에 걸려질 수 있도록 상부몸체(10) 일측에 일체로 상부고리(15)가 형성된다. The upper latching member 10 has an upper body 11 formed in a shape of a letter C and has an upper ratchet on an inner surface of the upper body 11 to fix the position of the lower latching member 20 A fixing hole 13 in which the fixing bolts 30 are fitted is formed to fix the positions of the upper and lower engaging members 10 and 20, A plurality of rotation restricting tails 14 are formed on the inner side of the upper body 11 so as to prevent the lower locking member 20 coupled to the inside of the upper locking member 10 from rotating inside the upper locking member 10, An upper ring 15 is integrally formed on one side of the upper body 10 so as to be hooked on the uppermost protrusion of the upper body 10.

상기 하부걸림부재(20)는 'ㄷ'자 형상으로 형성된 상부몸체(10) 내측에 하부몸체(21)가 결합되고, 상기 상부래칫(12)와 맞물려 그 위치를 고정할 수 있도록 하부몸체(21) 내측 일면에 하부래칫(22)가 형성되며, 상기 고정볼트(30)와 결합하여 상부몸체(10) 내측에서 이동 및 회동 될 수 있도록 하부몸체(21)에 장공(23)이 형성되고, 상기 상부걸림부재(10)가 걸려진 극상돌기에 인접한 다른 극상돌기에 걸려질 수 있도록 상기 하부몸체(21) 일측에 일체로 하부고리(24)가 형성된다. The lower latching member 20 has a lower body 21 coupled to an upper body 10 formed in a U shape and a lower body 21 coupled to the upper ratchet 12 to fix the position thereof. The lower body 21 is formed with a slot 23 so that the lower ratchet 22 can be moved and rotated inside the upper body 10 in association with the fixing bolt 30, The lower hooks 24 are integrally formed on one side of the lower body 21 so that the upper hooking member 10 can be caught by other upper projections adjacent to the hooked upper protrusions.

상기와 같이 구성된 하부걸림부재(20)는 상기 상부걸림부재(10)의 내측으로 인입되어 하부걸림부재(20)의 장공(23)에 상부걸림부재(10)의 고정공(13)에 결합된 고정볼트(30)가 인입되어 결합되고, 상기 상부걸림부재(10)의 내측으로 인입되어 결합된 하부걸림부재(20)의 장공(23) 일측에 고정볼트(30)가 지지되어 회동하거나 또는 상부걸림부재(10)의 길이방향으로 이동되게 구성된다.The lower engaging member 20 configured as described above is inserted into the upper engaging member 10 and is engaged with the fixing hole 13 of the upper engaging member 10 in the elongated hole 23 of the lower engaging member 20 The fixing bolt 30 is inserted and coupled and the fixing bolt 30 is supported on one side of the elongated hole 23 of the lower engaging member 20 coupled to the inside of the upper engaging member 10 so as to rotate, And is configured to be moved in the longitudinal direction of the engaging member (10).

그리고 도면 중 미설부호 16과 25는 상부걸이공(16)과 하부걸이공(25)으로 상기 상부몸체(11)와 하부몸체(21)에 각각 형성된다.In the figure, the unused codes 16 and 25 are formed in the upper body 11 and the lower body 21 by the upper hook hole 16 and the lower hook hole 25, respectively.

상기 상부걸이공(16)과 하부걸이공(25)은 별도의 기구를 결합하여 극상돌기에 상부걸림부재(10)와 인접한 다른 극상돌기에 하부걸림부재(20)를 걸어주기 위해 사용되며, 또한 걸려진 상부걸림부재(10)와 하부걸림부재(20)의 간격을 줄일 때 사용한다.The upper hooking hole 16 and the lower hooking hole 25 are used to engage the lower hooking member 20 with the other hooking member 10 adjacent to the upper hooking member 10 by joining separate mechanisms to each other, And is used to reduce the distance between the upper engaging member 10 and the lower engaging member 20 engaged.

상기 상부걸이공(16)과 하부걸이공(25)은 상부걸림부재(10)와 하부걸림부재(20)에 반드시 형성해야되는 것은 아니며, 수술 시 편의를 위해 제조업체에서 선택적으로 형성할 수 있다. The upper hook hole 16 and the lower hook hole 25 are not necessarily formed on the upper and lower engaging members 10 and 20 and may be selectively formed by a manufacturer for convenience of operation.

상기와 같이 구성된 본 발명에 의한 극상돌기용 임플란트가 병변이 있는 극상돌기에 설치되는 과정을 첨부된 도면을 통해 설명한다. The process of installing the above-described highly-protruding implant according to the present invention on a lesion-shaped tip protrusion will be described with reference to the accompanying drawings.

도 3a는 본 발명에 의한 극상돌기용 임플란트의 상부걸림부재가 극상돌기에 걸려지는 상태를 나타낸 구성도이고, 도 3b는 본 발명에 의한 극상돌기용 임플란트의 하부걸림부재가 극상돌기에 걸려지는 상태를 나타낸 구성도이며, 도 3c는 본 발명에 의한 극상돌기용 임플란트가 병변이 있는 극상돌기와 다른 극상돌기의 간격을 줄이는 상태를 나타낸 구성도이고, 도 3d는 본 발명에 의한 극상돌기용 임플란트가 병변이 있는 극상돌기와 다른 극상돌기에 고정된 상태를 나타낸 구성도이다.FIG. 3A is a view illustrating a state in which the upper latching member of the implant for use in a superficial projection according to the present invention is caught by the uppermost protrusion, FIG. 3B is a view showing a state in which the lower latching member of the upper- FIG. 3C is a configuration diagram showing a state in which the tip of the tip of the implant according to the present invention is spaced apart from the other tip, Fig. 5 is a schematic view showing a state where the protrusions are fixed to the other protrusions.

먼저, 병변이 있는 척추가 위치한 부분의 피부를 절개하고, 이때 절개는 본 발명의 극상돌기용 임플란트가 인체 내로 인입될 수 있는 길이로 피부를 절개한다.First, the skin of the portion where the vertebrae with lesions are located is cut, and the incision is made to cut the skin to a length such that the implant of the present invention is inserted into the human body.

피부를 절개한 상태에서 병변이 있는 척추체의 극상돌기와 인접한 극상돌기 사이에 본블럭(Bone block, 미부호)을 설치한다.Bone block (not marked) is placed between the tip of the vertebral body and the adjacent tip of the lesion with the skin incised.

상기 본블럭(Bone block)의 재질은 자가뼈 또는 사체뼈 또는 인공뼈로 이루어진 것이며, 이는 대한민국 식약청에서 인정한 안전한 제품만을 사용함은 물론 멸균 처리된 제품만을 사용하여 수술시 감염이 발생하지 않게 한다.The material of the bone block is composed of autogenous bone, cadaver bone or artificial bone, which not only uses safe products approved by Korea KFDA, but also sterilized products to prevent infection during surgery.

상기 본블럭을 극상돌기와 극상돌기 사이에 위치시킨 상태에서 위쪽에 상부걸림부재(10)와 하부걸림부재(20)에 형성한 상부걸이공(16)과 하부걸이공(25)에 별도의 기구를 고정하고, 고정한 기구를 이용하여 위쪽에 위치하는 극상돌기에 상부걸림부재(10)의 상부고리(15)를 위치시키고, 인접한 다른 극상돌기에는 하부걸림부재(20)의 하부고리(24)를 위치시킨다.A separate mechanism is provided on the upper hooking hole 16 and the lower hooking hole 25 formed on the upper hooking member 10 and the lower hooking member 20 on the upper side in a state where the main block is positioned between the uppermost protrusion and the uppermost protrusion The upper ring 15 of the upper latching member 10 is positioned on the uppermost protrusion located on the upper side using a fixed and fixed mechanism and the lower ring 24 of the lower latching member 20 is positioned .

상기 하부고리(24)를 위치시킬 때에는 도 3b에 도시된 바와 같이, 하부걸림부재(20)를 상부걸림부재(10)의 일측으로 인출 및 회전시킨 상태에서 길이 및 위치를 조절하여 극상돌기에 걸려지도록 한다.3B, when the lower hook 24 is positioned, the lower hooking member 20 is pulled out and rotated to one side of the upper hooking member 10 to adjust the length and position thereof, Respectively.

극상돌기에 걸려진 상부걸림부재(10)와 인접한 극상돌기에 걸려진 하부걸림부재(20)가 서로 밀착되도록 상부걸이공(16)와 하부걸이공(25)에 고정된 기구를 이용하여 상기 걸림부재(10)와 하부걸림부재(20)의 간격을 줄인다.By using a mechanism fixed to the upper hooking hole 16 and the lower hooking hole 25 so that the upper hooking member 10 hooked on the uppermost protrusion and the lower hooking member 20 hooked on the adjacent uppermost hook are in close contact with each other, The distance between the member 10 and the lower engaging member 20 is reduced.

상기 상부걸림부재(10)와 하부걸림부재(20)의 간격이 좁아지면 하부걸림부재(20)의 하부몸체(21)에 형성한 하부래칫(22)가 상부몸체(10)에 형성한 상부래칫(12)에 걸려지도록 하부몸체(20)가 약간 들어 올려진다.The lower ratchet 22 formed on the lower body 21 of the lower latching member 20 is engaged with the upper ratchet 20 formed on the upper body 10 when the gap between the upper latching member 10 and the lower latching member 20 becomes narrow, The lower body 20 is slightly lifted so as to be caught by the upper body 12.

상기 하부몸체(21)는 상부몸체(11)의 내측으로 인입되면서 상부몸체(11)에 형성한 회전방지턱(14)에 의해 하부몸체(21)가 상부몸(11)체에서 회동되는 것을 방지한다.The lower body 21 is prevented from rotating in the upper body 11 by the rotation preventing jaw 14 formed on the upper body 11 while being drawn into the upper body 11 .

이때, 하부래칫(22)가 상부래칫(12)에 맞물리게 되어 하부걸림부재(20)의 위치가 고정되고, 이때 상부걸림부재(10)와 하부걸림부재(20)에 걸쳐 설치되어 있는 고정볼트(30)를 회전시켜 상부걸림부재(10)와 하부걸림부재(20)의 위치를 고정하게 된다.At this time, the lower ratchet 22 is engaged with the upper ratchet 12 so that the position of the lower latching member 20 is fixed. At this time, the upper latching member 10 and the lower latching member 20 30 are rotated to fix the positions of the upper engaging member 10 and the lower engaging member 20.

상기와 같은 고정에 의해 3d에 도시된 바와 같이 극상돌기 사이에 본블럭이 완전 밀착되어 단단히 고정된다.By the above fixing, the block is tightly fixed between the fringe protrusions as shown in 3d to be firmly fixed.

그리고 고정볼트(30)를 고정함에 따라 상부걸림부재(10)와 하부걸림부재(20)는 움직임 완전고정되어 척추의 해당 부분을 안정적으로 고정하는 장점이 있다. As the fixing bolts 30 are fixed, the upper and lower engaging members 10 and 20 are completely fixed in motion, and the corresponding portion of the vertebra is stably fixed.

이상에서 설명한 바와 같이 기존에 척추경에 나사못을 이용하여 고정하던 방식에서 단순하게 극상돌기에 걸려지도록 하므로 시술하는 시간을 줄일 수 있음과 동시에 나사못에 의해 발생하는 문제점을 근본적으로 방지할 수 있는 장점이 있다.As described above, in the conventional method in which the screw is fixed to the spinal pedicle, it is possible to reduce the time required for the operation, and it is possible to fundamentally prevent the problem caused by the screw have.

또한, 피부의 절개를 최소화한 상태에서 시술이 이루어지므로 환자는 매우 빠르게 회복한다.
In addition, because the procedure is performed with minimal incision of the skin, the patient can recover very quickly.

10: 상부걸림부재 11: 상부몸체
12: 상부래칫 13: 고정공
14: 회전방지턱 15: 상부고리
16: 상부걸이공 20: 하부걸림부재
21: 하부몸체 22: 하부래칫
23: 장공 24: 하부고리
25: 하부걸이공 30: 고정볼트10: upper latching member 11: upper body
12: upper ratchet 13: stationary ball
14: rotation stopper 15: upper ring
16: upper hook hole 20: lower hook member
21: lower body 22: lower ratchet
23: Slot 24: Lower ring
25: Lower hook hole 30: Fixing bolt

Claims (4)

극상돌기용 임플란트에 있어서,
하나의 극상돌기에 걸려지게 설치되는 상부걸림부재;
인접한 다른 극상돌기에 걸려지게 설치되는 하부걸림부재; 및
상기 상부걸림부재와 하부걸림부재를 결합하여 별도의 기구에 의해 병변이 있는 척추체의 간격을 줄인 후 좁혀진 상태를 유지할 수 있도록 상부걸림부재와 하부걸림부재를 고정하는 고정볼트를 포함하되,
상기 상부걸림부재는
'ㄷ'자 형상으로 형성되는 상부몸체;
상기 상부걸림부재와 하부걸림부재가 고정되도록 고정볼트가 결합되는 고정공; 및
하나의 극상돌기에 걸려질 수 있도록 상기 상부몸체 일측에 일체로 형성되는 상부고리를 포함하고,
상기 하부걸림부재는
상부몸체 내측에서 이동 및 회동 가능하게 설치되는 하부몸체;
상기 고정볼트와 결합하여 상부몸체 내측에서 이동 및 회동될 수 있도록 하부몸체에 형성되는 장공; 및
상부걸림부재가 걸려진 극상돌기에 인접한 다른 극상돌기에 걸려질 수 있도록 상기 하부몸체 일측에 일체로 형성되는 하부고리를 포함하는 것을 특징으로 하는 극상돌기용 임플란트.In the superficial implant,
An upper latching member installed to be hooked on one of the uppermost projections;
A lower engaging member installed to be hooked on another adjacent superficial projection; And
And a fixing bolt fixing the upper latching member and the lower latching member so that the space between the upper latching member and the lower latching member is reduced by a separate mechanism to reduce the space between the vertebrae having lesions,
The upper latching member
An upper body formed in a 'C'shape;
A fixing hole to which the fixing bolt is coupled so that the upper locking member and the lower locking member are fixed; And
And an upper ring integrally formed at one side of the upper body so as to be hooked on one of the upper projections,
The lower engaging member
A lower body movably and rotatably installed inside the upper body;
A slot formed in the lower body so as to be movable and pivotable inside the upper body in association with the fixing bolt; And
And a lower ring integrally formed on one side of the lower body so as to be caught by other upper projections adjacent to the hooked upper protrusions. 제1항에 있어서,
상기 상부걸림부재는
하부걸림부재의 위치를 고정할 수 있도록 상부몸체의 내측에 일면에 형성되는 상부래칫; 및
상부걸림부재에 결합된 하부걸림부재의 회동을 방지할 수 있도록 상부몸채 내측에 형성되는 회전방지턱을 더 포함하여 구성되는 것을 특징으로 하는 극상돌기용 임플란트.The method according to claim 1,
The upper latching member
An upper ratchet formed on an inner surface of the upper body to fix a position of the lower latching member; And
Further comprising a rotation preventing jaw formed on an inner side of the upper body so as to prevent rotation of the lower engaging member coupled to the upper engaging member. 제2항에 있어서,
상기 하부걸림부재는
상기 상부래칫와 맞물려 그 위치를 고정할 수 있도록 하부몸체 내측에 일면에 형성되는 하부래칫를 더 포함하여 구성되는 것을 특징으로 하는 극상돌기용 임플란트.3. The method of claim 2,
The lower engaging member
Further comprising: a lower ratchet formed on one surface of the lower body so as to be engaged with the upper ratchet to fix the position thereof. 삭제delete
KR1020130137594A 2013-11-13 2013-11-13 Intervertebral implant for spinous process KR101453440B1 (en)

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PCT/KR2014/008003 WO2015072655A1 (en) 2013-11-13 2014-08-28 Implant for spinous process
US14/876,127 US20160022324A1 (en) 2013-11-13 2015-10-06 Interspinous fusion implant

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