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CN108938067B - Cylinder Universal Reduction Device for Orthopedic Spine Surgery - Google Patents

Cylinder Universal Reduction Device for Orthopedic Spine Surgery Download PDF

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Publication number
CN108938067B
CN108938067B CN201810853463.0A CN201810853463A CN108938067B CN 108938067 B CN108938067 B CN 108938067B CN 201810853463 A CN201810853463 A CN 201810853463A CN 108938067 B CN108938067 B CN 108938067B
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China
Prior art keywords
rotating shaft
connecting rod
fixing
fixing clamp
frame
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Expired - Fee Related
Application number
CN201810853463.0A
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Chinese (zh)
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CN108938067A (en
Inventor
高全有
钱济先
周程沛
高浩然
薛为高
钱澍
袁一方
宋杨
杨涛
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Air Force Medical University
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Fourth Military Medical University FMMU
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Priority to CN201810853463.0A priority Critical patent/CN108938067B/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
    • A61B17/7074Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
    • A61B17/7047Clamps comprising opposed elements which grasp one vertebra between them
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
    • A61B2017/7073Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant with intervertebral connecting element crossing an imaginary spinal median surface

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Neurology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (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)
  • Surgical Instruments (AREA)

Abstract

本发明公开了用于骨科脊柱手术的柱体万向复位装置,包括固定架、第一转轴、第一连杆、第一固定夹、第二转轴、第二固定夹、滑槽、调节架、限位柱、第三转轴、第二连杆、第三固定夹、第四转轴、第四固定夹,该用于骨科脊柱手术的柱体万向复位装置,结构巧妙、功能强大、操作简单、省时省力,首先通过夹紧机构的设计,实现对患者病变脊柱上下两端的夹紧固定,以及通过使用该机构实现对患者病变脊柱的定位功能,再加上转动机构的配合作用,可实现固定机构的多角度调节,以适应人体脊柱的弯曲角度,方便医护人员操作,有效避免传统脊柱内固定器安装复杂,妨碍手术操作的问题,减轻医护人员工作负担,可在临床推广应用。

Figure 201810853463

The invention discloses a cylinder universal reset device for orthopaedic spine surgery, comprising a fixing frame, a first rotating shaft, a first connecting rod, a first fixing clip, a second rotating shaft, a second fixing clip, a chute, an adjusting frame, Limiting column, third rotating shaft, second connecting rod, third fixing clip, fourth rotating shaft, fourth fixing clip, the column universal reset device for orthopaedic spine surgery has ingenious structure, powerful function, simple operation, Save time and effort. First, through the design of the clamping mechanism, the upper and lower ends of the patient's diseased spine can be clamped and fixed, and by using this mechanism, the positioning function of the patient's diseased spine can be realized. Coupled with the cooperation of the rotating mechanism, the fixation can be realized. The multi-angle adjustment of the mechanism is adapted to the bending angle of the human spine, which is convenient for medical staff to operate, effectively avoids the problem of complicated installation of traditional spinal internal fixators and hinders surgical operations, reduces the workload of medical staff, and can be popularized and applied in clinical practice.

Figure 201810853463

Description

Column universal resetting device for orthopedic spinal surgery
Technical Field
The invention relates to the field of medical instruments, in particular to a universal cylinder resetting device for orthopedic spinal surgeries.
Background
With the progress of medical technology, the operation of reduction and fixation after the whole excision of a diseased vertebral body or a malformed vertebral body is implemented clinically, and in the process of implementing the operation, reliable temporary fixation and accurate operation reduction are carried out between the upper section and the lower section of the diseased vertebral body or the malformed vertebral body which needs to be excised completely, so that the operation is an important link for successful operation. At present, when the operation is clinically implemented, the existing spine internal fixator is used for temporarily fixing between the upper section of vertebral body and the lower section of vertebral body of a diseased vertebral body or a malformed vertebral body which need to be completely resected, the installation is complex, and the internal fixator can obstruct the operation of the operation; the operation reduction is realized by the existing tools such as holding rod forceps and the like completely depending on manpower, the physical strength is high, and the operation reduction is not stable enough, reliable and poor in accuracy.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a universal cylinder resetting device for orthopedic spinal surgery to solve the problems in the background technology.
In order to solve the technical problems, the technical scheme of the invention is as follows: a universal resetting means of cylinder for orthopedics backbone operation, including mount, first pivot, first connecting rod, first fixation clamp, second pivot, second fixation clamp, spout, alignment jig, spacing post, third pivot, second connecting rod, third fixation clamp, fourth pivot, fourth fixation clamp, first pivot run through the mount left side, first pivot rotate with the mount and link to each other, first connecting rod run through in first pivot, first connecting rod rotate with first pivot and link to each other, first fixation clamp be located first connecting rod bottom rear end, first fixation clamp and first connecting rod an organic whole link to each other, second pivot run through the inside bottom front side of first connecting rod, second pivot rotate with first connecting rod and link to each other, second fixation clamp run through in the second pivot, second fixation clamp rotate with the second pivot and link to each other, the sliding grooves are positioned at the front end and the rear end inside the fixing frame, the sliding grooves are integrally connected with the fixing frame, the adjusting frame is positioned at the right side inside the fixing frame, the adjusting frame is movably connected with the fixing frame, the limiting columns are positioned at the front end and the rear end on the left side of the adjusting frame, the limiting columns are welded with the adjusting frame and are slidably connected with the fixing frame, the third rotating shaft penetrates through the right side of the adjusting frame, the third rotating shaft is rotatably connected with the adjusting frame, the second connecting rod penetrates through the third rotating shaft, the second connecting rod is rotatably connected with the third rotating shaft, the third fixing clamp is positioned at the rear end of the bottom of the second connecting rod, the third fixing clamp is integrally connected with the second connecting rod, the fourth rotating shaft penetrates through the front side of the bottom inside the second connecting rod, the fourth rotating shaft is rotatably connected with the second connecting rod, and the fourth fixing clamp penetrates through the fourth rotating shaft, and the fourth fixing clamp is rotationally connected with the fourth rotating shaft.
Furthermore, a first knob penetrates through the outer side of the limiting column and is in threaded connection with the limiting column.
Further, second fixation clamp upper end front side still be equipped with first mounting panel, first mounting panel and second fixation clamp welded connection.
Furthermore, a first adjusting bolt penetrates through the first mounting plate, the first adjusting bolt is in threaded connection with the first mounting plate, and the first adjusting bolt is connected with the first connecting rod in a rotating mode.
Furthermore, a second knob penetrates through the front end of the first rotating shaft and is in threaded connection with the first rotating shaft.
Furthermore, a third knob penetrates through the front end of the third rotating shaft and is in threaded connection with the third rotating shaft.
Further, fourth fixation clamp upper end front side still be equipped with the second mounting panel, second mounting panel and fourth fixation clamp welded connection.
Furthermore, a second adjusting bolt penetrates through the second mounting plate, is in threaded connection with the second mounting plate, and is rotatably connected with the second connecting rod.
Furthermore, an operation hole is also arranged between the fixing frame and the adjusting frame, and the operation hole is a through hole.
Compared with the prior art, the universal cylinder resetting device for the orthopedic spine surgery has the advantages that when the universal cylinder resetting device is used, medical staff firstly adjust the length of the device according to the length of a spine lesion area of a patient, the universal cylinder resetting device is operated as follows, the medical staff can pull the adjusting frame to enable the adjusting frame to drive the limiting column to move leftwards or rightwards along the direction of the sliding groove, when the adjusting frame moves to a position required by the medical staff, the medical staff clockwise rotates the first knob to enable the first rotation to apply extrusion force to the fixing frame, so that the fixing frame is connected and fixed with the adjusting frame, after the length of the universal cylinder resetting device is adjusted, the medical staff wraps the upper end of the spine of the patient after the surgical staff finishes adjusting, the first fixing clip and the second fixing clip are used for clockwise rotating, the first adjusting bolt is connected with the first mounting plate through threads, the first adjusting bolt pushes the first mounting plate to link the second fixing clip to rotate by taking the second rotating shaft as the, the upper end of the pathological change spine of the patient is clamped and fixed by the device under the action of the first fixing clamp and the second fixing clamp, then the lower end of the pathological change spine of the operation patient is wrapped by the third fixing clamp and the fourth fixing clamp by medical staff, and the second adjusting bolt is clockwise rotated and is in threaded connection with the second mounting plate, so that the second adjusting bolt rotates and pushes the second mounting plate to link with the fourth fixing clamp to rotate by taking the fourth rotating shaft as a circle center, the clamping and fixing of the lower end of the pathological change spine of the patient are realized by the device under the action of the third fixing clamp and the fourth fixing clamp, then the second knob is clockwise rotated by the medical staff to realize the extrusion force of the second knob on the fixing frame, thereby the clamping and fixing effects on the first connecting rod are achieved, the upper end of the pathological change spine of the patient is connected and fixed with the fixing frame under the fixing effect on the first connecting rod, then the medical staff rotates the third knob clockwise, so that the third knob applies extrusion force to the adjusting bracket, thereby achieving the clamping and fixing effect to the second connecting rod, realizing the connection and fixing of the lower end of the pathological change spine of the patient and the adjusting bracket by the fixing effect to the second connecting rod, finally achieving the fixing effect to the upper end and the lower end of the pathological change area of the spine of the patient by the above, realizing the function of positioning the pathological change spine part of the patient, facilitating the medical staff to perform the operation treatment on the pathological change spine of the patient through the operation hole, the universal cylinder resetting device for the orthopedic spine operation has the advantages of ingenious structure, strong function, simple operation, time and labor saving, firstly realizing the clamping and fixing of the upper end and the lower end of the pathological change spine of the patient through the design of the clamping mechanism, realizing the positioning function of the pathological change spine of the patient through the mechanism, and adding the, can realize fixed establishment's multi-angle and adjust to the crooked angle of adaptation human backbone makes things convenient for medical personnel to operate, effectively avoids traditional backbone internal fixation ware installation complicated, hinders the problem of operation, alleviates medical personnel's work burden, can be in clinical popularization and application, the effect of first pivot is fixed after making first connecting rod can carry out the rotation of certain angle, with the backbone crookedness of adaptation patient, the effect of third pivot make the second connecting rod can carry out the rotation of certain angle fixed, with the backbone crookedness of adaptation patient.
Drawings
FIG. 1 is a front view of a universal reduction device for use in orthopedic spinal surgery;
FIG. 2 is a cross-sectional view of a universal reduction device for use in orthopedic spinal surgery;
FIG. 3 is a top view of a universal reduction device for use in orthopedic spinal surgery;
FIG. 4 is a left side view of the universal reduction device for orthopedic spine surgery;
FIG. 5 is the right view of the universal column reduction device for orthopedic spinal surgery
Fig. 6 is an enlarged view of the second adjusting bolt.
The fixing frame comprises a fixing frame 1, a first rotating shaft 2, a first connecting rod 3, a first fixing clamp 4, a second rotating shaft 5, a second fixing clamp 6, a sliding groove 7, an adjusting frame 8, a limiting column 9, a third rotating shaft 10, a second connecting rod 11, a third fixing clamp 12, a fourth rotating shaft 13, a fourth fixing clamp 14, a first knob 101, a second knob 102, a third knob 103, an operation hole 104, a first mounting plate 601, a first adjusting bolt 602, a second mounting plate 1401 and a second adjusting bolt 1402.
The following detailed description will be further described in conjunction with the above-identified drawings.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art, that the described embodiments may be practiced without some or all of these specific details, and in other cases, well-known process steps are not described in detail.
As shown in fig. 1, 2, 3, 4, 5, and 6, the universal cylinder reduction device for orthopedic spine surgery comprises a fixed frame 1, a first rotating shaft 2, a first connecting rod 3, a first fixing clamp 4, a second rotating shaft 5, a second fixing clamp 6, a sliding chute 7, an adjusting frame 8, a limiting column 9, a third rotating shaft 10, a second connecting rod 11, a third fixing clamp 12, a fourth rotating shaft 13, a fourth fixing clamp 14, a first knob 101, a second knob 102, a third knob 103, an operation hole 104, a first mounting plate 601, a first adjusting bolt 602, a second mounting plate 1401, and a second adjusting bolt 1402, wherein the first rotating shaft 2 penetrates through the left side of the fixed frame 1, the first rotating shaft 2 is rotatably connected with the fixed frame 1, the first connecting rod 3 penetrates through the first rotating shaft 2, the first connecting rod 3 is rotatably connected with the first rotating shaft 2, the first fixing clamp 4 is located at the rear end of the bottom of the first connecting rod 3, the first fixing clamp 4 is integrally connected with the first connecting rod 3, the second rotating shaft 5 penetrates through the front side of the bottom end in the first connecting rod 3, the second rotating shaft 5 is rotatably connected with the first connecting rod 3, the second fixing clamp 6 penetrates through the second rotating shaft 5, the second fixing clamp 6 is rotatably connected with the second rotating shaft 5, the sliding grooves 7 are positioned at the front end and the rear end in the fixing frame 1, the sliding grooves 7 are integrally connected with the fixing frame 1, the adjusting frame 8 is positioned at the right side in the fixing frame 1, the adjusting frame 8 is movably connected with the fixing frame 1, the limiting columns 9 are positioned at the front end and the rear end on the left side of the adjusting frame 8, the limiting columns 9 are welded with the adjusting frame 8, the limiting columns 9 are slidably connected with the fixing frame 1, the third rotating shaft 10 penetrates through the right side of the adjusting frame 8, and the third rotating shaft 10 is rotatably connected with the adjusting frame 8, the second connecting rod 11 penetrates through the third rotating shaft 10, the second connecting rod 11 is connected with the third rotating shaft 10 in a rotating mode, the third fixing clamp 12 is located at the rear end of the bottom of the second connecting rod 11, the third fixing clamp 12 is integrally connected with the second connecting rod 11, the fourth rotating shaft penetrates through 13 and penetrates through the front side of the bottom end inside the second connecting rod 11, the fourth rotating shaft 13 is connected with the second connecting rod 11 in a rotating mode, the fourth fixing clamp 14 penetrates through the fourth rotating shaft 13, the fourth fixing clamp 14 is connected with the fourth rotating shaft 13 in a rotating mode, a first knob 101 penetrates through the outer side of the limiting column 9, the first knob 101 is connected with the limiting column 9 in a threaded mode, a first mounting plate 601 is further arranged on the front side of the upper end of the second fixing clamp 6, the first mounting plate 601 is connected with the second fixing clamp 6 in a welding mode, and a first adjusting bolt 602 penetrates through the first mounting plate 601, the first adjusting bolt 602 is in threaded connection with the first mounting plate 601, and the first adjusting bolt 602 is rotatably connected with the first connecting rod 3, a second knob 102 is also penetrated through the front end of the first rotating shaft 2, the second knob 102 is connected with the first rotating shaft 2 through screw threads, a third knob 103 penetrates through the front end of the third rotating shaft 10, the third knob 103 is in threaded connection with the third rotating shaft 10, a second mounting plate 1401 is arranged at the front side of the upper end of the fourth fixing clamp 14, the second mounting plate 1401 is connected with the fourth fixing clamp 14 in a welding way, a second adjusting bolt 1402 penetrates through the second mounting plate 1401, the second adjusting bolt 1402 is connected with the second mounting plate 1401 in a threaded manner, the second adjusting bolt 1402 is rotatably connected with the second connecting rod 11, an operation hole 104 is further arranged between the fixed frame 1 and the adjusting frame 8, and the operation hole 104 is a through hole.
This a universal resetting means of cylinder for orthopedics backbone operation, during the use, medical personnel at first according to the length in patient's backbone pathological change region, adjust the length of the device, operate as follows, medical personnel can pull adjusting bracket 8, make adjusting bracket 8 drive spacing post 9 remove left or right along the direction of spout 7, when adjusting bracket 8 removed medical personnel required position, medical personnel clockwise rotate first knob 101, make first rotation 101 carry out the extrusion force to mount 1, thereby realize that mount 1 links to each other fixedly with adjusting bracket 8, after the length control of the device finishes, medical personnel reuse first fixation clamp 4 and second fixation clamp 6 parcel surgery patient's backbone upper end, and clockwise rotate first adjusting bolt 602, because of first adjusting bolt 602 and first mounting panel 601 threaded connection, so first adjusting bolt 602 promotes first mounting panel 601 linkage second fixation clamp 6 in one side of rotation and uses second pivot 5 as the centre of a circle to advance The device is rotated to clamp and fix the upper end of the pathological spine of a patient through the action of the first fixing clamp 4 and the second fixing clamp 6, then medical staff wraps the lower end of the pathological spine of the surgical patient through the third fixing clamp 12 and the fourth fixing clamp 14 and rotates the second adjusting bolt 1402 clockwise, as the second adjusting bolt 1402 is in threaded connection with the second mounting plate 1401, the second adjusting bolt 1402 rotates and pushes the second mounting plate 1401 to link with the fourth fixing clamp 14 to rotate around the fourth rotating shaft 13, the clamping and fixing of the lower end of the pathological spine of the patient are realized through the action of the third fixing clamp 12 and the fourth fixing clamp 14, then the medical staff rotates the second knob 102 clockwise to enable the second knob 102 to apply extrusion force to the fixing frame 1, so that the clamping and fixing effect on the first connecting rod 3 is achieved, and through the fixing effect on the first connecting rod 3, the upper end of the pathological change spine of the patient is connected and fixed with the fixing frame 1, then the medical staff rotates the third knob 103 clockwise to enable the third knob 103 to apply extrusion force to the adjusting frame 8, so that the clamping and fixing effect on the second connecting rod 11 is achieved, the lower end of the pathological change spine of the patient is connected and fixed with the adjusting frame 8 through the fixing effect on the second connecting rod 11, finally, the fixing effect on the upper end and the lower end of the pathological change area of the spine of the patient is achieved through the fixing effect on the patient, the pathological change spine position of the patient is located, the medical staff can conveniently perform operation treatment on the pathological change spine of the patient through the operation hole 104, the first rotating shaft 2 is used for enabling the first connecting rod 3 to be fixed after rotating at a certain angle so as to adapt to the curvature of the spine of the patient, and the third rotating shaft 10 is used for enabling the second connecting rod 11 to be fixed after rotating at, to accommodate the curvature of the patient's spine.
The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.

Claims (6)

1. The universal cylinder resetting device for the orthopedic spinal surgery is characterized by comprising a fixing frame, a first rotating shaft, a first connecting rod, a first fixing clamp, a second rotating shaft, a second fixing clamp, a sliding groove, an adjusting frame, a limiting column, a third rotating shaft, a second connecting rod, a third fixing clamp, a fourth rotating shaft and a fourth fixing clamp, wherein the fixing frame is U-shaped, the U-shaped opening is towards the right, the first rotating shaft penetrates through the left side of the fixing frame and is rotationally connected with the left side of the fixing frame, the first rotating shaft penetrates through the first connecting rod, the first connecting rod is rotationally connected with the first rotating shaft, the first fixing clamp is positioned at the rear end of the bottom of the first connecting rod, the first fixing clamp is integrally connected with the first connecting rod, the second rotating shaft penetrates through the front side of the bottom end inside the first connecting rod, the second rotating shaft is rotationally connected with the first connecting rod, and the second rotating shaft penetrates through the second fixing clamp, the second fixing clamp is rotationally connected with the second rotating shaft, the sliding grooves are positioned at the front end and the rear end inside the fixing frame, the front end and the rear end of the left side of the adjusting frame are positioned in the sliding grooves of the fixing frame, the adjusting frame is movably connected with the fixing frame, the limiting post is positioned at the front end and the rear end of the left side of the adjusting frame, the limiting post is welded with the adjusting frame and is slidably connected with the fixing frame, the third rotating shaft penetrates through the right side of the adjusting frame, the third rotating shaft penetrates through the second connecting rod, the second connecting rod is rotationally connected with the third rotating shaft, the third fixing clamp is positioned at the rear end of the bottom of the second connecting rod, the third fixing clamp is integrally connected with the second connecting rod, the fourth rotating shaft penetrates through the front side of the bottom inside the second connecting rod, and the fourth rotating shaft is rotationally connected with the second connecting rod, the fourth rotating shaft penetrates through the fourth fixing clamp, and the fourth fixing clamp is rotatably connected with the fourth rotating shaft; a first knob penetrates through the outer side of the limiting column and is in threaded connection with the limiting column; a first mounting plate is further arranged on the front side of the upper end of the second fixing clamp and is connected with the second fixing clamp in a welding mode; first adjusting bolt has still been run through to first mounting panel inside, first adjusting bolt and first mounting panel screw thread link to each other, just first adjusting bolt rotate with first connecting rod and link to each other.
2. The universal column reduction device for orthopedic spinal surgeries according to claim 1, wherein a second knob is further penetrated through the front end of the first rotating shaft and is in threaded connection with the first rotating shaft.
3. The universal column repositioning device for orthopedic spinal surgeries as claimed in claim 2, wherein a third knob is further inserted through the front end of the third rotating shaft, and the third knob is connected with the third rotating shaft by screw threads.
4. The universal cylinder reduction device for orthopedic spinal surgeries as claimed in claim 3, wherein the front side of the upper end of the fourth fixation clamp is further provided with a second mounting plate, and the second mounting plate is welded with the fourth fixation clamp.
5. The universal cylinder reduction device for orthopedic spinal surgeries according to claim 4, wherein a second adjusting bolt penetrates through the second mounting plate, the second adjusting bolt is in threaded connection with the second mounting plate, and the second adjusting bolt is in rotational connection with the second connecting rod.
6. The universal reduction device of column for orthopedic spinal surgery of claim 5, wherein an operation hole is further provided between the fixing frame and the adjusting frame, and the operation hole is a through hole.
CN201810853463.0A 2018-07-30 2018-07-30 Cylinder Universal Reduction Device for Orthopedic Spine Surgery Expired - Fee Related CN108938067B (en)

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CN110141352A (en) * 2019-05-20 2019-08-20 杜瑞 A kind of ankle surgery Jower tibiofibular joint replacement and fixation guider
CN112155669A (en) * 2020-10-12 2021-01-01 常州安康医疗器械有限公司 Liquid guiding type ultrasonic knife head

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Publication number Priority date Publication date Assignee Title
US5454810A (en) * 1990-02-05 1995-10-03 Pohl; Anthony P. External fixation device
US7785353B2 (en) * 2005-02-02 2010-08-31 Syberspine Limited Integral, articulated, pedicle screw and longitudinal member for spinal osteosynthesis
US8162984B2 (en) * 2009-02-20 2012-04-24 K2M, Inc. Forced growth axial growing spine device
CN201524131U (en) * 2009-11-17 2010-07-14 李京珍 Rib fracture reduction fixing device
CN204121142U (en) * 2014-10-27 2015-01-28 毕宏政 Multi-angle screw positioner
CN205286505U (en) * 2015-11-27 2016-06-08 周建明 Transverse connection device for spinal internal fixation
CN106806086B (en) * 2017-02-20 2018-08-03 史迎春 A kind of children humeral supracondylar fracture resetting apparatus

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Granted publication date: 20210326