WO2019119904A1 - Plaque d'acier destinée à un centrum - Google Patents

Plaque d'acier destinée à un centrum Download PDF

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Publication number
WO2019119904A1
WO2019119904A1 PCT/CN2018/106194 CN2018106194W WO2019119904A1 WO 2019119904 A1 WO2019119904 A1 WO 2019119904A1 CN 2018106194 W CN2018106194 W CN 2018106194W WO 2019119904 A1 WO2019119904 A1 WO 2019119904A1
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WO
WIPO (PCT)
Prior art keywords
plate
plate body
fixing
fixing holes
vertebral
Prior art date
Application number
PCT/CN2018/106194
Other languages
English (en)
Chinese (zh)
Inventor
杨晋才
Original Assignee
杨晋才
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 杨晋才 filed Critical 杨晋才
Publication of WO2019119904A1 publication Critical patent/WO2019119904A1/fr

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Classifications

    • 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
    • A61B17/7059—Cortical plates
    • 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
    • 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
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
    • 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
    • A61B2017/564—Methods for bone or joint treatment

Definitions

  • the invention relates to a vertebral body plate, belonging to the technical field of medical instruments, and particularly suitable for cervical decompression surgery.
  • Cervical spondylosis is caused by the prominent intervertebral disc, thickened ligament or hyperplastic epiphysis occupying the cervical spinal canal or intervertebral foramen and compressing the spinal cord nerve.
  • the commonly used solutions in clinical practice include anterior and posterior surgery.
  • posterior surgery There are two main types of posterior surgery.
  • One is the posterior approach of the cervical spine, which is open from the posterior aspect of the cervical spine.
  • the side muscles are peeled off from the vertebrae and the cervical vertebrae are exposed.
  • the root of one side of the lamina is removed from the lamella as the door axis side, and the other side of the lamina is opened and the opposite side (door side) is
  • the shaft is rotated, and finally the rotating lamina can be fixed.
  • the steel plate is needed for fixing the lamina;
  • the other method is double-opening spinal canal enlargement, with the bilateral lamina root as the door axis, from the vertebra
  • the middle of the plate is cut to rotate to both sides.
  • the present invention provides a vertebral body plate, which can realize the parallel movement of the lamina by its own rotation, so that the expansion of the spinal canal can be completed on the basis of retaining the posterior tissue structure of the cervical vertebra.
  • a vertebral body plate comprising a plate body 1 and a plate body 2
  • the plate body 1 comprises a fixing plate provided with a fixing hole
  • a rear plate of the fixing plate is connected with a vertical plate
  • a card board is connected, and a side of the riser opposite to the card board is provided with a round shaft
  • a front end of the board body 2 is provided with a rotating sleeve matched with the round shaft
  • a back surface of the board body 2 is provided with a blocking platform, and the board body is provided Fixed holes are provided.
  • the technical solution of the present invention further includes: the plate body 2 is L-shaped, the plate body 2 comprises a vertical portion and a lateral portion, the rotating sleeve is located at the front end of the vertical portion, the blocking platform is located at the middle of the back portion of the vertical portion, and the fixing hole is located Lateral part.
  • the technical solution of the present invention further includes that the number of the fixing holes is four, wherein two fixing holes are located on the fixing plate of the plate body 1 and the fixing holes are arranged along the extending direction of the fixing plate, and the other two fixing holes are located in the plate body.
  • the lateral portions of the second and the fixing holes are arranged along the extending direction of the lateral portions.
  • the technical solution of the present invention further includes: the plate body 2 is strip-shaped, the rotating sleeve is located at the front end of the plate body 2, and the blocking platform is located at the middle of the back surface of the plate body 2.
  • the technical solution of the present invention further includes: the card plate is perpendicular to the vertical plate, the bending portion of the plate body, the bending portion of the plate body 2, and the joint position of the plate body and the plate body 2 and the circular shaft adopt a circular arc transition .
  • the technical solution of the present invention further includes that the distance L between the circular shaft and the upper end of the vertical plate is proportional to the size of the enlarged cavity of the spinal canal, and the distance M between the blocking table and the front end of the plate body and the expansion of the spinal canal The size of the cavity is proportional.
  • the utility model has the beneficial effects that: the plate body can clamp and fix the upper vertebral body after opening, and the plate body 2 can rotate around the plate body, and the plate body can be raised during the rotation of the plate body 2, thereby further
  • the vertebral body that is clamped and fixed with the plate body is moved up, so that the spacing between the upper and lower vertebral bodies can be increased, and the spinal canal cavity required for the operation is formed, and the muscle and ligament structure of the posterior side of the cervical vertebra need not be removed during the operation.
  • Figure 1 is a schematic illustration of the invention.
  • Figure 10 is a schematic illustration of another embodiment of the present invention.
  • Plate body 1 11, fixed plate, 12, riser, 2, plate body 2, 21, vertical part, 22, lateral part, 3, round shaft, 4, fixing hole, 5, card board, 6, Blocking table, 7, rotating sleeve, 8, screw, 100, vertebral body plate, 200, vertebral body, 300, cavity.
  • a vertebral body plate of the present invention comprises a plate body 1 and a plate body 2 and 2 parts.
  • the front end of the plate body 2 is provided with a rotating sleeve 7 , and the rotating sleeve 7 is set on the plate body 1 . 1 on the rear circular shaft 3, whereby the plate body 2 can be rotated about the plate body 1 during use, so that the two exhibit different opening degrees.
  • the card board 5 is designed on the board body 1, and the open upper lamina can be clamped and fixed during the operation
  • the blocking table 6 is designed on the board body 2, and the blocking table can be rotated when the board body is rotated 2 Forming a fulcrum with the lower lamina, thereby lifting the plate body 1 upward, thereby driving the upper lamina which is fixed and fixed with the plate body 1 to form an enlarged spinal canal cavity, reducing the spinal nerve The oppression.
  • the board body 1 includes a fixing board 11, a vertical board 12 and a card board 5.
  • the fixing board 11 is provided with two fixing holes 4 along the length direction thereof.
  • the advantages of designing the two fixing holes 4 are that the two fixing holes 4 can play a limit role with each other to avoid the rotation of the plate body, thereby ensuring that the plate body 1 is fixed on the upper lamina.
  • the rear end of the fixing plate 11 is connected to the upper end of the vertical plate 12, the round shaft 3 is disposed on the rear side of the vertical plate 12, and the lower end of the vertical plate 12 is connected to the card board 5, and the card board 5 extends forward, that is, the card board 5 and
  • the round shafts 3 are oppositely disposed on the front and rear sides of the riser 12, with the front facing the upper lamina being forward and the rear facing away from the upper lamina being rearward.
  • the card plate 5 is disposed perpendicular to the vertical plate 12, and the clamping and fixing effect on the lamina can be enhanced while facilitating processing.
  • the plate body 2 is designed as an L-shape, and includes a vertical portion 21 and a lateral portion 22.
  • the rotating sleeve 7 is located at the front end of the vertical portion 21, and the back portion of the vertical portion 21 is provided with a blocking table 6.
  • the direction toward the board body 1 is the front side
  • the direction facing the operator is the front side
  • the direction facing the operator is the back side.
  • the transverse portion 22 is provided with two fixing holes 4 along its length direction. The reason for designing the two fixing holes 4 is the same as that of the plate body 1.
  • the reason why the two fixing holes 4 are arranged along the length direction of the lateral portion 22 is that
  • the fixing holes 4 provided on the plate body 1 and the fixing holes 4 provided on the plate body 2 are arranged substantially in a vertical direction, which can conform to the structure of the human body vertebral body to improve the reliability of the fixing.
  • the plate body 2 is designed as a strip, that is, the plate body 2 does not have a bent portion.
  • the rotating sleeve 7 is located at the front end of the plate body 2
  • the blocking table 6 is located at the middle of the back surface of the board body 2
  • the fixing holes 4 are arranged on the board body 2 along the length direction of the board body 2.
  • the blocking table 6 is designed on the plate body 2, so that when the plate body 2 is rotated, the limiting position can be played, so as to improve the consistency of the opening degree of the two sides of the lamina, and the lamina is moved up in parallel to avoid the need. Exfoliation of the muscles and ligament structures on the posterior side of the cervical spine results in postoperative cervical motion limitation and pain problems, as well as the need for a doctor to hold to maintain a consistent treatment of bilateral vertebral body opening.
  • the connection between the riser 12 and the card plate 5, the joint position of the riser 12 and the round shaft 3, and the like are all circular arc transitions to avoid stress concentration of the steel plate and breakage.
  • the distance L between the circular shaft 3 and the upper end of the vertical plate 12 is proportional to the size of the enlarged cavity of the spinal canal, and the distance M between the blocking table 6 and the front end of the plate body 2 and the vertebrae
  • the size of the enlarged cavity of the tube is proportional, that is, when the patient has a large condition and the enlarged spinal canal cavity is large, the round shaft 3 can be disposed at a position near the lower end of the riser 12, and the blocking table 6 is in the plate body 2
  • the position is appropriately moved back, so that the plate body 1 has a large lifting height when the plate body 2 is rotated, thereby forming a larger enlarged spinal canal cavity; otherwise, when the required spinal canal cavity is small,
  • the position of the round shaft 3 is appropriately moved up at the position of the riser 12, and the blocking table 6 is appropriately advanced at the position of the plate body 2.
  • the fixation process of the one side lamina is mainly taken as an example.
  • the doctor first puts the vertebral body plate 100 between the slits of the vertebral body 200 after the laminectomy, as shown in Fig. 2, and then adjusts the position of the vertebral body plate 100 until the plate body 1 is stuck on the upper vertebral body.
  • the clamping as shown in Fig. 3, in this process, the plate body 2 and the plate body 1 are in close contact to avoid interference caused by insufficient gap of the vertebral body member. Thereafter, as shown in Fig.
  • the doctor starts to rotate the plate body 2 (clockwise in the figure), and the distance between the upper and lower vertebral bodies is d, and as the doctor rotates the plate body 2,
  • the vertebral body below the plate body 2 is a fulcrum, so that the plate body 1 connected thereto can be raised upward, and then the upper vertebral body which is clamped and clamped with the plate body 1 is lifted up until the plate body 2 and
  • the screw 8 is attached to the vertebral body 200 at the position of the fixing hole 4, and then the vertebral body plate 100 on the other side is attached and fixed.
  • the doctor only needs to rotate the plate body 2 to obtain the required spinal canal cavity, which is easy to operate and reliable in operation.

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Neurology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

La présente invention concerne une plaque d'acier pour centrum, concernant le domaine technique des appareils et instruments médicaux. La plaque d'acier pour centrum comprend un premier corps de plaque (1), et un second corps de plaque (2). Le premier corps de plaque (1) comprend une plaque de fixation (11) munie de trous de fixation (4); une plaque verticale (12) reliée à l'extrémité arrière de la plaque de fixation (11); une plaque de serrage (5) reliée à l'extrémité inférieure de la plaque verticale (12); une tige cylindrique (3) disposée sur la plaque verticale (12) sur le côté opposé de la plaque de serrage (5); un manchon rotatif (7) en correspondance avec la tige cylindrique (3) disposé au niveau de l'extrémité avant du second corps de plaque (2); une platine d'arrêt (6) est disposée sur la face arrière du second corps de plaque (2); les trous de fixation (4) sont formés dans le second corps de plaque (2). La translation parallèle de la plaque d'acier du centrum peut être atteinte par rotation de la plaque d'acier, et par conséquent l'avantage d'expansion du canal rachidien est atteint sur la base que la structure des tissus mous sur le côté arrière des vertèbres cervicales est conservée.
PCT/CN2018/106194 2017-12-19 2018-09-18 Plaque d'acier destinée à un centrum WO2019119904A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711378184.5A CN108056806B (zh) 2017-12-19 2017-12-19 一种椎体钢板
CN201711378184.5 2017-12-19

Publications (1)

Publication Number Publication Date
WO2019119904A1 true WO2019119904A1 (fr) 2019-06-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/106194 WO2019119904A1 (fr) 2017-12-19 2018-09-18 Plaque d'acier destinée à un centrum

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CN (1) CN108056806B (fr)
WO (1) WO2019119904A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110338895A (zh) * 2019-08-20 2019-10-18 北京大学第三医院（北京大学第三临床医学院） 一种椎板间支撑、固定、融合装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108056806B (zh) * 2017-12-19 2023-11-14 杨晋才 一种椎体钢板

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1600112A1 (fr) * 2004-05-26 2005-11-30 SDGI Holdings, Inc. Implants pour un dispositif d'ostéosynthèse rachidienne et ensemble comprenant ces implants
CN102335037A (zh) * 2011-07-19 2012-02-01 上海拓腾医疗器械有限公司 一种用于颈椎体的椎板钢板
CN202665673U (zh) * 2012-06-13 2013-01-16 常州华森医疗器械有限公司 一种颈椎成型钢板
US20130060283A1 (en) * 2011-09-01 2013-03-07 Jon Suh Laminoplasty Plates, Systems, And Devices, And Methods Relating to the Same
CN203693716U (zh) * 2014-01-15 2014-07-09 上海三友医疗器械有限公司 脊椎椎板撑开装置
CN205458981U (zh) * 2016-01-22 2016-08-17 赵海生 颈椎后路单开门椎管扩大成形术固定装置
CN107106216A (zh) * 2014-11-17 2017-08-29 株式会社Cg生物 椎板成形术用间隔器
CN108056806A (zh) * 2017-12-19 2018-05-22 杨晋才 一种椎体钢板

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3665822B2 (ja) * 1995-02-17 2005-06-29 裕子 清水 星状神経節ブロック手技用補助台
WO2010033663A2 (fr) * 2008-09-17 2010-03-25 Scott And White Memorial Hospital And Scott,Sherwood And Brindley Foundation Laminoplastie basée sur l'apophyse épineuse
CN203591319U (zh) * 2013-11-01 2014-05-14 上海三友医疗器械有限公司 用于椎板扩张成型的支撑装置
CN203790017U (zh) * 2013-11-05 2014-08-27 北京市富乐科技开发有限公司 卡口式椎板成形钛板
CN208511150U (zh) * 2017-12-19 2019-02-19 杨晋才 一种椎体钢板

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1600112A1 (fr) * 2004-05-26 2005-11-30 SDGI Holdings, Inc. Implants pour un dispositif d'ostéosynthèse rachidienne et ensemble comprenant ces implants
CN102335037A (zh) * 2011-07-19 2012-02-01 上海拓腾医疗器械有限公司 一种用于颈椎体的椎板钢板
US20130060283A1 (en) * 2011-09-01 2013-03-07 Jon Suh Laminoplasty Plates, Systems, And Devices, And Methods Relating to the Same
CN202665673U (zh) * 2012-06-13 2013-01-16 常州华森医疗器械有限公司 一种颈椎成型钢板
CN203693716U (zh) * 2014-01-15 2014-07-09 上海三友医疗器械有限公司 脊椎椎板撑开装置
CN107106216A (zh) * 2014-11-17 2017-08-29 株式会社Cg生物 椎板成形术用间隔器
CN205458981U (zh) * 2016-01-22 2016-08-17 赵海生 颈椎后路单开门椎管扩大成形术固定装置
CN108056806A (zh) * 2017-12-19 2018-05-22 杨晋才 一种椎体钢板

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110338895A (zh) * 2019-08-20 2019-10-18 北京大学第三医院（北京大学第三临床医学院） 一种椎板间支撑、固定、融合装置

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CN108056806B (zh) 2023-11-14
CN108056806A (zh) 2018-05-22

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