AU2020100723A4 - Adjusted door opening size-controllable cervical vertebra posterior modeling steel plate - Google Patents

Adjusted door opening size-controllable cervical vertebra posterior modeling steel plate Download PDF

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Publication number
AU2020100723A4
AU2020100723A4 AU2020100723A AU2020100723A AU2020100723A4 AU 2020100723 A4 AU2020100723 A4 AU 2020100723A4 AU 2020100723 A AU2020100723 A AU 2020100723A AU 2020100723 A AU2020100723 A AU 2020100723A AU 2020100723 A4 AU2020100723 A4 AU 2020100723A4
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Prior art keywords
cervical vertebra
controllable
gear
rack
steel plate
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Ceased
Application number
AU2020100723A
Inventor
Yukun Du
Huiqiang Hu
Jianyi LI
Xianfeng Ren
Yanni Sun
Yan Wang
Yongming Xi
Zheng Zhao
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Affiliated Hospital of University of Qingdao
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Affiliated Hospital of University of Qingdao
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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
    • A61B17/7059—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
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8004—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones
    • A61B17/8009—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones the plate having a ratchet
    • 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
    • A61B17/8023—Variable length plates adjustable in both directions
    • 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
    • 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
    • A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
    • 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

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  • 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)
  • Transmission Devices (AREA)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)

Abstract

The disclosure discloses an adjusted door opening size-controllable controllable cervical vertebra posterior modeling steel plate, relating to the technical field of medical instruments. 5 The steel plate includes a guide rail, wherein the upper surface of the guide rail is provided with a guide groove, the inside of the guide groove is slideably connected with a rack, and teeth on the upper surface of the rack are meshed with teeth at the bottom of a gear. For the adjusted door opening size-controllable controllable cervical vertebra posterior modeling steel plate, by setting the rack and the gear, fixed screws are placed on a vertebral plate side and a side block 10 for fastening and fixation before the vertebral plate is opened; the cervical vertebra is slowly distracted by using the rack and the gear so as to increase safety and operation accuracy when the cervical vertebra is opened; meanwhile, the rack and gear can be finely adjusted and clamped at any time in the process of slowly distracting the cervical vertebra, thereby avoiding that the cervical vertebra is too fast and excessively distracted, also avoiding the problems that 15 the cervical vertebra is insufficiently distracted once and the like, realizing the controllable cervical vertebra opening range, shortening the surgical time, improving the accuracy and safety of surgical operation, and ensuring the surgical effect. 13 2 1 3 14

Description

ADJUSTED DOOR OPENING SIZE-CONTROLLABLE CERVICAL VERTEBRA POSTERIOR MODELING STEEL PLATE
TECHNICAL FIELD
[0001] The disclosure pertains to the technical field of medical instruments, and particularly to an adjusted door opening size-controllable cervical vertebra posterior modeling steel plate.
BACKGROUND
[0002] The majority of patients with cervical spondylosis have inferior cervical vertebrae lesions. Degeneration, stenosis, hyperostosis, instability and the like are common clinical 1 0 pathological phenomena, which can seriously affect patients' daily life, work and quality of life.
Surgery is one of effective treatment methods at present. The purpose of surgery is to restore the normal sequence of cervical vertebra as well as curvature, height and mobility of cervical vertebra, maintain the stability of cervical vertebra, improve the press state of intraspinal nerves, and improve and restore its normal function. There are some problems in the surgery process of 1 5 the existing cervical vertebra posterior modeling steel plate: 1, the door needs to be opened before the steel plate is placed, and when the existing surgical instrument is used to open the door, it is easy to cause the fracture of the bolt side; 2, after the vertebral plate is opened, the screw is placed, because in the process of placing the screw, especially when the pressure is applied on the vertebral plate side, it is easy to cause the instability of the vertebral plate, or 20 even due to the fracture of the bolt side, the medullispinal stimulation during the surgery is caused or new oppression is formed after the surgery; 3, the present modeling steel plate does not easily grasp the width of the door opening side, cervical 5 nerve traction syndrome may be caused if the door is excessively opened , and insufficient decompression is easily caused due to insufficient door opening so as to affect the clinical effect.
SUMMARY
[0003] (I) Technical problem to be solved
[0004] Aiming at the defects of the existing prior art, the disclosure provides an adjusted door opening size-controllable controllable cervical vertebra posterior modeling steel plate, solving the problem of reduced surgical treatment effect caused by factors such as defects of 30 instruments themselves.
[0005] (II) Technical solution
[0006] In order to achieve the above object, the technical solution adopted by the disclosure is: an adjusted door opening size-controllable controllable cervical vertebra posterior modeling
2020100723 07 May 2020 steel plate, including a guide rail, wherein the upper surface of the guide rail is provided with a guide groove, the inside of the guide groove is slideably connected with a rack, and teeth on the upper surface of the rack are meshed with teeth at the bottom of a gear, the front surface of the gear is clamped with a spindle, one end of the front surface of the spindle and one end of the 5 back surface are both sleeved with bearings, one surfaces of the two bearings which are far away are respectively clamped on the front surface and the back surface of the inner wall of a frame, and the lower parts of the front surface and the back surface of the inner wall of the frame are respectively fixedly connected on the front surface and the back surface of the guide rail.
[0007] The left and right sides of the gear are both clamped with fixture blocks, the right side surface of the fixture block is fixedly connected with a connection rod, the back surface of the connection rod is flexibly connected with the front surface of the inner wall of the frame through a hinge pin, the upper part of the left side surface of the connection rod is fixedly connected with a spring, the left end of the spring is fixedly connected with a fixation plate, and 1 5 the front surface and the back surface of the fixation plate are respectively fixedly connected on the upper parts of the front surface and the back surface of the inner wall of the frame.
[0008] Preferably, the guide groove is of a semicircular shape, and the lower surface of the rack is adaptive to the guide groove.
[0009] Preferably, the fixture block is of a trapezoid shape, and the shape of the fixture block 20 is adaptive to the upper teeth of the gear.
[0010] Preferably, the fixation plate is not in contact with the teeth of the gear.
[0011] Preferably, the left side surface of the guide rail is provided with a first fixation point, and the right side surface of the rack is provided with a second fixation point.
[0012] (III) Beneficial effects
[0013] The disclosure has the beneficial effects:
[0014] 1. For the adjusted door opening size-controllable controllable cervical vertebra posterior modeling steel plate, by setting the rack and gear, fixed screws are placed on a vertebral plate side and a side block for fastening and fixation before the vertebral plate is opened; the cervical vertebra is slowly distracted by using the rack and the gear so as to increase 30 safety and operation accuracy when the cervical vertebra is opened; meanwhile, the rack and gear can be finely adjusted and clamped at any time in the process of slowly distracting the cervical vertebra, thereby avoiding that the cervical vertebra is too fast and excessively distracted, also avoiding the problems that the cervical vertebra is insufficiently distracted once
2020100723 07 May 2020 and the like, realizing the controllable cervical vertebra opening range, shortening the surgical time, improving the accuracy and safety of surgical operation, and ensuring the surgical effect.
[0015] 2. For the adjusted door opening size-controllable controllable cervical vertebra posterior modeling steel plate, by setting the fixture block, the connection rod, the hinge pin, the spring and the fixation plate, when people squeeze the two connection rods to move towards the direction close to each other, under the action of the hinge pin, the two connection rods drive the two fixture blocks to separate from the gear, so that the gear can move with the rack; when people no longer squeeze the two connection rods, the elastic force of the two springs drives the two connection rods to return to their original positions, so that the two fixture blocks can be clamped into the gear again to tightly clamp the gear.
[0016] 3. For the adjusted door opening size-controllable controllable cervical vertebra posterior modeling steel plate, by setting the shapes of the guide groove and the rack, it is ensured that they can stably and smoothly slide; by setting the shape of the fixture block, it can be ensured that the fixture block can be stably clamped in the teeth of the gear, so that they both can clamp each other; by setting the first fixation point and the second fixation point, people use the first fixation point and the fixation point can quickly fix the guide rail and rack on the vertebra plate, which brings convenience for people's fixation.
BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Fig.l is a sectional structure diagram in a front view according to the disclosure;
[0018] Fig.2 is an enlarged structure diagram of a part A according to the disclosure;
[0019] Fig.3 is a sectional structure diagram in a left view according to the disclosure.
[0020] In the drawings, 1, guide rail; 2, guide groove; 3, rack; 4, gear; 5, spindle; 6, bearing; 7, frame; 8, fixture block; 9, connection rod; 10, hinge pin; 11, spring; 12, fixation plate; 13, first fixation point; 14, second fixation point
DESCRIPTION OF THE EMBODIMENTS
[0021] Next, technical solutions in examples of the disclosure will be clearly and completely described in combination with drawings in examples of the disclosure. Obviously, the described examples are only one part of examples of the disclosure rather than all the examples. Based on the examples in the disclosure, other examples obtained by persons of ordinary skill in the art without creative efforts all fall within the protective scope of the disclosure.
[0022] As shown in Figs. 1-3, the disclosure provides a technical solution: an adjusted door opening size-controllable controllable cervical vertebra posterior modeling steel plate includes a guide rail 1, wherein the upper surface of the guide rail 1 is provided with a guide groove 2, the 3
2020100723 07 May 2020 guide groove is of a semicircular shape, and the lower surface of the rack 3 is adaptive to the guide groove 2; by setting the shapes of the guide groove and the rack 3, it is can be ensured that they both can smoothly slide; a rack 3 is slideably connected in the guide groove 2, the left side surface of the guide rail 1 is provided with a first fixation point 13, and the right side 5 surface of the rack 3 is provided with a second fixation point 14; by setting the first fixation point 13 and the second fixation point 14, people use the first fixation point 13 and the second fixation point 14 to rapidly fix the guide rail 1 and the rack 3 on the vertebra plate so as to bring convenience for people’s fixation; the teeth on the upper surface of the rack 3 are meshed with the teeth at the bottom of a gear 4; by setting the rack 3 and the gear 4, fixed screws are placed 10 on a vertebral plate side and a side block for fastening and fixation before the vertebral plate is opened, the cervical vertebra is slowly distracted by using the rack 3 and the gear 4 so as to increase safety and operation accuracy when the cervical vertebra is opened, and meanwhile, the rack 3 and gear 4 can be finely adjusted and clamped at any time in the process of slowly distracting the cervical vertebra, thereby avoiding that the cervical vertebra is too fast and 1 5 excessively distracted, also avoiding the problems that the cervical vertebra is insufficiently distracted once and the like, realizing the controllable cervical vertebra opening range, shortening the surgical time, improving the accuracy and safety of surgical operation, and ensuring the surgical effect; the front surface of the gear 4 is clamped with a spindle 5, one end of the front surface of the spindle 5 and one end of the back surface are both sleeved with 20 bearings 6, one surfaces of the two bearings 6 which are far away are respectively clamped on the front surface and the back surface of the inner wall of a frame 7, and the lower parts of the front surface and the back surface of the inner wall of the frame 7 are respectively fixedly connected on the front surface and the back surface of the guide rail 1.
[0023] The left and right sides of the gear 4 are both clamped with fixture blocks 8, the fixture 25 blocks is of a trapezoid shape, and the shape of the fixture block 8 is adaptive to the upper teeth of the gear 4; by setting the shape of the fixture block 8, it is ensured that the fixture block 8 is stably clamped in the teeth of the gear 4, so that they both can be tightly clamped, the right side surface of the fixture block 8 is fixedly connected with a connection rod 9, the back surface of the connection rod 9 is flexibly connected with the front surface of the inner wall of the frame 7 30 through a hinge pin 10, the upper part of the left side surface of the connection rod 9 is fixedly connected with a spring 11, the left end of the spring 11 is fixedly connected with a fixation plate 12, the front surface and the back surface of the fixation plate 12 are respectively fixedly connected on the upper parts of the front surface and the back surface of the inner wall of the frame 7; by setting the fixture block 8, the connection rod 9, the hinge pin 10, the spring 11 and
2020100723 07 May 2020 the fixation plate 12, when people squeeze the two connection rods 9 to move towards the direction close to each other, under the action of the hinge pin 10, the two connection rods 9 drive the two fixture blocks 8 to separate from the gear 4, so that the gear 4 can move with the rack 3; when people no longer squeeze the two connection rods 9, the elastic force of the two 5 springs 11 drives the two connection rods 9 to return to their original positions, so that the two fixture blocks 8 can be clamped into the gear 4 again, and the gear 4 can be rightly clamped; the fixation plate 12 is not in contact with the teeth of the gear 4; by setting the position relationship between the fixation plate 12 and the gear 4, it is avoided that the fixation plate 12 can block the rotation of the gear 4, thereby ensuring that the gear 4 can normally rotate.
[0024] The operation steps of the disclosure are as follows:
[0025] In use, when people squeeze two connection rods 9 to move towards the direction close to each other, under the action of the hinge pin 10, two connection rods 9 drive two fixture blocks 8 to separate from the gear 4, so that the gear 4 can move with the rack 3. When people no longer squeeze two connection rods 9, the elastic force of two springs 11 drives two 1 5 connection rods 9 to return to the original positions, so that the two fixture blocks 8 are clamped into the gear 4 again to tightly clamp the gear 4.
[0026] The embodiments described above further describe the purpose, technical solution and beneficial effect of the disclosure. It should be understood that the above description is only the embodiments of the disclosure but not limiting the disclosure. Any modification, equivalent 20 replacement, improvement and the like made within the spirit and principles of the disclosure shall be included in the protective scope of the disclosure.

Claims (4)

  1. Claims
    WHAT IS CLAIMED IS:
    1. An adjusted door opening size-controllable controllable cervical vertebra posterior modeling steel plate, comprising a guide rail (1), wherein the upper surface of the guide rail (1) 5 is provided with a guide groove (2), the inside of the guide groove (2) is slideably connected with a rack (3), and teeth on the upper surface of the rack (3) are meshed with teeth at the bottom of a gear (4), the front surface of the gear (4) is clamped with a spindle (5), one end of the front surface of the spindle (5) and one end of the back surface are both sleeved with bearings (6), one surfaces of the two bearings (6) which are far away are respectively clamped 10 on the front surface and the back surface of the inner wall of a frame (7), and the lower parts of the front surface and the back surface of the inner wall of the frame (7) are respectively fixedly connected on the front surface and the back surface of the guide rail (1);
    the left and right sides of the gear (4) are both clamped with fixture blocks (8), the right side surface of the fixture block (8) is fixedly connected with a connection rod (9), the back 1 5 surface of the connection rod (9) is flexibly connected with the front surface of the inner wall of the frame (7) through a hinge pin (10), the upper part of the left side surface of the connection rod (9) is fixedly connected with a spring (11), the left end of the spring (11) is fixedly connected with a fixation plate (12), and the front surface and the back surface of the fixation plate (12) are respectively fixedly connected on the upper parts of the front surface and the back 20 surface of the inner wall of the frame (7).
  2. 2. The adjusted door opening size-controllable controllable cervical vertebra posterior modeling steel plate according to claim 1, wherein the guide groove (2) is of a semicircular shape, and the lower surface of the rack (3) is adaptive to the guide groove (2).
  3. 3. The adjusted door opening size-controllable controllable cervical vertebra posterior 25 modeling steel plate according to claim 1, wherein the fixture block (8) is of a trapezoid shape, and the shape of the fixture block (8) is adaptive to the upper teeth of the gear (4).
  4. 4. The adjusted door opening size-controllable controllable cervical vertebra posterior modeling steel plate according to claim 1, wherein the fixation plate (12) is not in contact with the teeth of the gear (4).
    30 5. The adjusted door opening size-controllable controllable cervical vertebra posterior modeling steel plate according to claim 1, wherein the left side surface of the guide rail (1) is provided with a first fixation point (13), and the right side surface of the rack (3) is provided
    2020100723 07 May 2020 with a second fixation point (14).
AU2020100723A 2019-06-10 2020-05-07 Adjusted door opening size-controllable cervical vertebra posterior modeling steel plate Ceased AU2020100723A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910497459.XA CN110141350A (en) 2019-06-10 2019-06-10 Adjust enabling size controllable cervical vertebrae way of escape shaped steel plate
CN201910497459.X 2019-06-10

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AU2020100723A4 true AU2020100723A4 (en) 2020-06-18

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CN (1) CN110141350A (en)
AU (1) AU2020100723A4 (en)
DE (1) DE212020000226U1 (en)
LU (1) LU102074B1 (en)
WO (1) WO2020248671A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113143429A (en) * 2021-04-23 2021-07-23 北京力达康科技有限公司 Adjustable vertebral plate fixing plate

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110141350A (en) * 2019-06-10 2019-08-20 青岛大学附属医院 Adjust enabling size controllable cervical vertebrae way of escape shaped steel plate
CN113940746B (en) * 2021-11-25 2022-09-13 南阳市骨科医院 Combined bone fracture plate for orthopedic trauma
CN115653424B (en) * 2022-10-31 2023-10-03 广东名门锁业有限公司 Concealed hinge for door

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19804765C2 (en) * 1998-02-06 2000-09-28 Biedermann Motech Gmbh Placeholder with adjustable axial length
US6126660A (en) * 1998-07-29 2000-10-03 Sofamor Danek Holdings, Inc. Spinal compression and distraction devices and surgical methods
CN103815938A (en) * 2014-02-28 2014-05-28 张亚军 Adjustable manual mechanical valve dilator
CN204500813U (en) * 2015-02-13 2015-07-29 刘彬 A kind of for the operating rotary false-touch prevention dilator of gastroenteropathy
CN104921766A (en) * 2015-07-05 2015-09-23 陈远明 Cervical vertebra anterior distraction device suitable for minimally invasive surgery
CN205493905U (en) * 2016-03-03 2016-08-24 郭群峰 Cervical vertebra way of escape vertebral plate clearance struts ware
CN206836917U (en) * 2016-12-26 2018-01-05 江苏益得康医疗器械有限公司 A kind of vertebrae strutting device
CN106974685A (en) * 2017-04-21 2017-07-25 中国人民解放军第二军医大学第二附属医院 A kind of cervical intervertebral determines power dilator
CN107582112B (en) * 2017-09-08 2019-06-07 山东威高骨科材料股份有限公司 Device for spreading between a kind of centrum
CN208274604U (en) * 2017-10-23 2018-12-25 常州市第二人民医院 A kind of medical scalpel
CN110141350A (en) * 2019-06-10 2019-08-20 青岛大学附属医院 Adjust enabling size controllable cervical vertebrae way of escape shaped steel plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113143429A (en) * 2021-04-23 2021-07-23 北京力达康科技有限公司 Adjustable vertebral plate fixing plate

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CN110141350A (en) 2019-08-20
WO2020248671A1 (en) 2020-12-17
DE212020000226U1 (en) 2020-10-28

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