CN110801272A - Internal fixing plate for anterior cervical and thoracic regions - Google Patents
Internal fixing plate for anterior cervical and thoracic regions Download PDFInfo
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- CN110801272A CN110801272A CN201911091706.2A CN201911091706A CN110801272A CN 110801272 A CN110801272 A CN 110801272A CN 201911091706 A CN201911091706 A CN 201911091706A CN 110801272 A CN110801272 A CN 110801272A
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- 210000000115 thoracic cavity Anatomy 0.000 title claims abstract description 24
- 210000000038 chest Anatomy 0.000 claims abstract description 48
- 238000001356 surgical procedure Methods 0.000 abstract description 7
- 238000005452 bending Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
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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
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- Orthopedic Medicine & Surgery (AREA)
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- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Abstract
The invention relates to a neck and chest section anterior internal fixation plate, which has the innovation points that: including the fixed plate body, the middle part of fixed plate body is equipped with observation window, and the width at fixed plate body both ends varies, the fixed plate body is including each other as an organic whole and have coaxial neck section and chest section, the neck section has first screw hole, and the chest section has the second screw hole, first screw hole and second screw hole are located observation window's both sides, the curved surface is dissected for the cervical vertebra centrum to the medial surface of neck section, the curved surface is dissected for the thoracic vertebra centrum to the medial surface of chest section, the width of neck section tip is less than chest section tip width. The invention not only can be used in the neck and chest surgery, but also is very convenient to operate, and fills the blank of the internal fixation system in the current anterior cervical and chest surgery.
Description
Technical Field
The invention relates to an internal fixing plate, in particular to an internal fixing plate for an anterior cervical and thoracic region, and belongs to the technical field of instruments for orthopedics.
Background
Currently, no internal fixation system is available on the market, which is needed for anterior approach surgery to the cervical and thoracic regions. The utility model provides an among the traditional anterior cervical and thoracic surgery process use is anterior cervical fixing plate, such shortcoming is: because the cervical vertebra centrum is little, the big characteristic of thoracic vertebra centrum, the anatomical surface of way fixed plate before the neck can not more laminate with the neck chest section centrum surface, consequently, needs the way fixed plate before the excessive pre-bending neck, makes it can conveniently use in the way operation before the neck chest section, but the way fixed plate before the excessive pre-bending neck will destroy whole plate type structure, makes it take place deformation to and influence holistic rigidity intensity, can appear disconnected board risk even.
Meanwhile, the neck and chest section is positioned behind the rib, so that the surgical implantation steel plate and the locking anti-retreat mechanism are required to avoid the rib, tools can be obliquely inserted into a path from top to bottom, the traditional tools are required to be locked in the right direction when the anti-retreat mechanism is locked, the traditional tools are not suitable for use in the neck and chest section surgical process, and the operation is very difficult due to the fact that the traditional tools are very troublesome.
Disclosure of Invention
The purpose of the invention is: the neck and chest section anterior internal fixation plate can be used in the neck and chest section operation, is very convenient to operate, and fills the blank of the current internal fixation system in the neck and chest operation.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a neck chest section way interior fixation plate, its innovation point lies in: comprises a fixing plate body, wherein the middle part of the fixing plate body is provided with an observation window, the widths of the two ends of the fixing plate body are different,
the fixing plate body comprises a neck section and a chest section which are mutually integrated and have the same axis, the neck section is provided with a first screw hole, the chest section is provided with a second screw hole, the first screw hole and the second screw hole are positioned at two sides of the observation window,
the inner side surface of the neck section is a cervical vertebra centrum anatomical curved surface, the inner side surface of the chest section is a thoracic vertebra centrum anatomical curved surface, and the width of the end part of the neck section is smaller than that of the end part of the chest section.
In the technical scheme, a first screw locking plate is arranged on the neck section and on the inner side of the first screw hole, the first screw locking plate is in sliding fit with the neck section, a first screw limiting protrusion is arranged at one end of the first screw locking plate along the length direction of the first screw locking plate, and the first screw limiting protrusion is located on one side close to the first screw hole.
In the technical scheme, the first screw holes are two screw holes which are both provided with notches, the neck section is provided with two first guiding limit slotted holes which are mutually communicated with the corresponding first screw holes, and a first connecting plate is arranged between the two first guiding limit slotted holes, the first screw locking plate is arranged on the first connecting plate, the two sides of the first connecting plate along the length direction are provided with a first guide bar and a first limit groove, the two ends of the bottom of the first screw locking plate are respectively provided with a first guide slide block, the two first guide slide blocks are respectively positioned in the corresponding first guide limit groove holes, the inner side wall of each first guide slide block is provided with a first guide bar groove, the first guide bar is arranged in the first guide bar groove to push the first connecting plate, the first guide bar of the first connecting plate is in sliding fit with the first guide bar groove of the first guide sliding block, and then the first guide sliding block can be clamped into the first limiting groove.
In the above technical scheme, the surface of the first screw locking plate and the surface of the outer side surface of the neck section are on the same plane, the other end of the first screw locking plate along the length direction of the first screw locking plate is provided with a first pushing opening, and the first connecting plate is provided with a first avoiding pit arranged corresponding to the first pushing opening of the first locking plate.
In the above technical scheme, the bottom of the first screw locking plate is provided with a first positioning protrusion, the first connecting plate is provided with a first positioning hole, the first connecting plate is pushed, and the first positioning protrusion is clamped into the first positioning hole.
In the above technical scheme, a second screw locking plate is arranged on the chest section and on the inner side of the second screw hole, the second screw locking plate is in sliding fit with the chest section, a second screw limiting protrusion is arranged at one end of the second screw locking plate along the length direction of the second screw locking plate, and the second screw limiting protrusion is located on one side close to the second screw hole.
In the technical scheme, the second screw holes are two and are both provided with notches, the chest section is provided with two second guiding limit slotted holes which are mutually communicated with the corresponding second screw holes, and a second connecting plate is arranged between the two second guiding limit slotted holes, the second screw locking plate is arranged on the second connecting plate, the two sides of the second connecting plate along the length direction are provided with a second guide bar and a second limit groove, the two ends of the bottom of the second screw locking plate are respectively provided with a second guide slide block, the two second guide slide blocks are respectively positioned in the corresponding second guide limit groove holes, the inner side wall of each second guide slide block is provided with a second guide bar groove, the second guide bar is arranged in the second guide bar groove to push the second connecting plate, and the second guide bar of the second connecting plate is in sliding fit with the second guide bar groove of the second guide sliding block, and then the second guide sliding block can be clamped into the second limiting groove.
In the above technical scheme, the surface of the second screw locking plate and the surface of the outer side surface of the chest section are in the same plane, the other end of the second screw locking plate along the length direction thereof is provided with a second pushing notch, and the second connecting plate is provided with a second avoiding pit arranged corresponding to the second pushing notch of the second locking plate.
In the above technical scheme, a second positioning protrusion is arranged at the bottom of the second screw locking plate, the second connecting plate is provided with a second positioning hole, the second connecting plate is pushed, and the second positioning protrusion is clamped into the second positioning hole.
In the above technical solution, the first screw hole and the second screw hole of the fixing plate body are respectively provided with a screw, and the observation window is a circular observation window, or a square observation window, or a oval observation window.
The invention has the positive effects that: after the internal fixation plate for the anterior cervical and thoracic sections is adopted, the internal fixation plate comprises a fixation plate body, an observation window is arranged in the middle of the fixation plate body, the widths of two ends of the fixation plate body are different, the fixation plate body comprises a neck section and a chest section which are mutually integrated and have the same axis, the neck section is provided with a first screw hole, the chest section is provided with a second screw hole, the first screw hole and the second screw hole are positioned at two sides of the observation window, the inner side surface of the neck section is an anatomical curved surface of a cervical vertebra centrum, the inner side surface of the chest section is an anatomical curved surface of a thoracic vertebra, and the width of the end part of the neck section is smaller than the width of the end part of the chest section. The thoracic vertebra and cervical vertebra fixing plate can be attached to the surfaces of the cervical vertebra and the thoracic vertebra, and not only can the whole plate type structure be prevented from being damaged and deformed, but also the rigidity strength can be ensured, the plate breaking condition in the prior art can be avoided, meanwhile, the operation of a doctor is facilitated, and the operation safety is improved.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a schematic top view of FIG. 1;
FIG. 3 is a bottom view schematic of FIG. 1;
FIG. 4 is a schematic sectional view A-A of FIG. 1;
FIG. 5 is a schematic cross-sectional view B-B of FIG. 1;
FIG. 6 is a schematic cross-sectional view C-C of FIG. 1;
fig. 7 is a schematic structural view of the fixing plate body of fig. 1;
FIG. 8 is a schematic structural view of the first screw locking plate of FIG. 1;
FIG. 9 is a schematic perspective view of FIG. 8;
FIG. 10 is a schematic view of the second screw locking plate of FIG. 1;
FIG. 11 is a schematic perspective view of FIG. 10;
fig. 12 is a perspective view of the present invention with a screw.
Detailed Description
The invention is further illustrated, but not limited, by the following examples in connection with the accompanying drawings.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, an internal fixation plate for the anterior segment of the neck and chest comprises a fixation plate body 1, wherein an observation window 2 is arranged in the middle of the fixation plate body 1, the widths of two ends of the fixation plate body 1 are different, the fixation plate body 1 is a trapezoidal plate as a whole,
the fixing plate body 1 comprises a neck section 11 and a chest section 12 which are mutually integrated and have coaxial lines, the neck section 11 is provided with a first screw hole 3, the chest section 12 is provided with a second screw hole 4, the first screw hole 3 and the second screw hole 4 are positioned at two sides of the observation window 2,
the medial surface of neck section 11 is cervical vertebra centrum anatomical curvature 111, the medial surface of chest section 12 is thoracic vertebra centrum anatomical curvature 121, thoracic vertebra centrum anatomical curvature 121 will be greater than cervical vertebra centrum anatomical curvature 111, and like this, the width of the 11 tip of neck section is less than 12 tip widths of chest section, cervical vertebra centrum anatomical curvature 111 of neck section 11 can laminate with the cervical vertebra centrum, and thoracic vertebra centrum anatomical curvature 121 of chest section 12 can laminate with the thoracic vertebra centrum.
As shown in fig. 1 and 12, in order to facilitate the locking of the screw when the present invention is used, a first screw locking plate 5 is disposed on the neck section 11 and inside the first screw hole 3, the first screw locking plate 5 is in sliding fit with the neck section 11, and one end of the first screw locking plate 5 along the length direction thereof has a first screw limiting protrusion 51, and the first screw limiting protrusion 51 is located at a side close to the first screw hole 3. The first screw limit projection 51 is an arc-shaped limit projection. During the use, twist the screw in first screw hole 3 and fix on the cervical vertebra centrum, promote first screw locking plate 5 for first screw spacing arch 51 can offset with the screw in the first screw hole 3, prevents that the screw from taking place to rotate, moving back the nail.
As shown in fig. 1, 5 and 7, in order to make the structure of the present invention more reasonable, the first screw hole 3 has two screw holes each having a notch, the neck section 11 has two first guiding and limiting slot holes 112 mutually communicated with the corresponding first screw hole 3, and a first connecting plate 113 is disposed between the two first guiding and limiting slot holes 112, the first screw locking plate 5 is disposed on the first connecting plate 113, the first connecting plate 113 is provided with a first guiding strip 114 and a first limiting slot 115 along both sides of the length direction thereof, both ends of the bottom of the first screw locking plate 5 are respectively provided with a first guiding sliding block 52, the two first guiding sliding blocks 52 are respectively located in the corresponding first guiding and limiting slot holes 112, the inner side wall of each first guiding sliding block 52 is provided with a first guiding strip slot 53, the first guiding strip 114 is disposed in the first guiding strip slot 53, when in use, a screw is screwed into the first screw hole 3 and fixed on the cervical vertebra, promote first connecting plate 113, first conducting bar 114 of first connecting plate 113 and first conducting bar groove 53 sliding fit of first direction slider 52, first screw locking plate 5 removes first connecting plate 113 relatively, enables first direction slider 52 card and goes into first spacing groove 115, fixes a position first screw locking plate 5, and first screw spacing arch 51 can offset with the screw in the first screw hole 3, prevents that the screw from taking place to rotate, moving back the nail.
As shown in fig. 1, in order to facilitate pushing the first screw locking plate, a surface of the first screw locking plate 5 and a surface of an outer side surface of the neck section 11 are located on the same plane, the other end of the first screw locking plate 5 along the length direction thereof has a first pushing gap 54, and the first connecting plate 113 is provided with a first avoiding recess 116 arranged corresponding to the first pushing gap 54 of the first locking plate 5.
As shown in fig. 5 and 8, in order to implement dual positioning for the first screw locking plate 5 and prevent the screw locking plate from moving and losing effectiveness for screw locking, a first positioning protrusion 55 is disposed at the bottom of the first screw locking plate 5, the first connecting plate 113 has a first positioning hole 117, the first connecting plate 113 is pushed, and the first positioning protrusion 55 is clamped into the first positioning hole 117. After the first screw locking plate 5 is pushed, the first guiding sliding block 52 is clamped into the first limiting groove 115, and the first positioning protrusion 55 is clamped into the first positioning hole 117.
As shown in fig. 1 and 12, in order to facilitate the use of the present invention, the screw can be locked, a second screw locking plate 6 is disposed on the chest section 12 and inside the second screw hole 4, the second screw locking plate 6 is in sliding fit with the chest section 12, and one end of the second screw locking plate 6 along the length direction thereof has a second screw limiting protrusion 61, and the second screw limiting protrusion 61 is disposed on one side close to the second screw hole 4. The second screw limiting protrusion 61 is an arc-shaped limiting protrusion. During the use, twist the screw in the second screw hole 4 and fix on the thoracic vertebrae centrum, promote second screw locking plate 6 for the spacing arch 61 of second screw can offset with the screw in the second screw hole 4, prevents that the screw from taking place to rotate, moving back the nail.
As shown in fig. 6 and 7, in order to make the structure of the present invention more reasonable, the second screw hole 4 has two screw holes each having a notch, the chest section 12 has two second guiding and limiting slot holes 122 mutually communicated with the corresponding second screw holes 4, a second connecting plate 123 is disposed between the two second guiding and limiting slot holes 122, the second screw locking plate 6 is disposed on the second connecting plate 123, the second connecting plate 123 is provided with a second guiding strip 124 and a second limiting slot 125 along both sides of the length direction thereof, both ends of the bottom of the second screw locking plate 6 are respectively provided with a second guiding sliding block 62, the two second guiding sliding blocks 62 are respectively disposed in the corresponding second guiding and limiting slot holes 122, the inner side wall of each second guiding sliding block 62 is provided with a second guiding strip slot 63, the second guiding strip 124 is disposed in the second guiding strip slot 64, when in use, the screw is screwed into the first screw hole 3 and fixed on the vertebral body, promote second connecting plate 123, second conducting bar 124 of second connecting plate 123 and second conducting bar groove 63 sliding fit of second direction slider 62, second screw locking plate 6 removes for second connecting plate 123, enables second direction slider 62 card and goes into second spacing inslot 125, fixes a position second screw locking plate 6, and second screw spacing arch 61 can offset with the screw in the second screw hole 4, prevents that the screw from taking place to rotate, moving back the nail.
As shown in fig. 7 and 10, in order to facilitate pushing the second screw locking plate, the surface of the second screw locking plate 6 and the surface of the outer side surface of the chest segment 12 are located on the same plane, the other end of the second screw locking plate 6 along the length direction thereof has a second pushing notch 64, and the second connecting plate 123 is provided with a second avoiding recess 126 arranged corresponding to the second pushing notch 64 of the second locking plate 6.
As shown in fig. 10, in order to perform double positioning on the second screw locking plate 6 and prevent the screw locking plate from moving and losing the screw locking effect, a second positioning protrusion 65 is disposed at the bottom of the second screw locking plate 6, the second connecting plate 123 has a second positioning hole 127, the second connecting plate 123 is pushed, the second positioning protrusion 65 is clamped into the second positioning hole 127, the second guiding slider 62 is clamped into the second limiting groove 125, and the second positioning protrusion 65 is clamped into the second positioning hole 127.
As shown in fig. 12, screws 7 are provided in the first screw hole 3 and the second screw hole 4 of the fixation plate body 1, respectively, for the sake of more convenient use.
As shown in fig. 1, for the convenience of operating and observing by the doctor, the observation window 2 is a circular observation window, or a square observation window, or a waist-round observation window.
The invention relates to an internal fixation system which is used in a cervical and thoracic anterior surgery, in the surgery process, namely, a neck section 11 of a fixation plate body 1 is positioned at a cervical vertebra centrum part, a cervical vertebra centrum anatomical curved surface of the neck section 11 can be attached to the cervical vertebra centrum, a chest section 12 is positioned at a thoracic vertebra centrum part, and a thoracic vertebra centrum anatomical curved surface of the chest section can be attached to a thoracic vertebra centrum, screws are respectively screwed into a first screw hole 3 and a second screw hole 4, so that the screws in different screw holes are respectively fixed on the cervical vertebra centrum and the thoracic vertebra, then screw locking plates are respectively pushed, screw limiting bulges of the screw locking plates are abutted against corresponding screws while the screw locking plates are locked, the screws are prevented from rotating and withdrawing, the internal fixation system replaces the prior art that the cervical anterior fixation plate is used in the thoracic anterior surgery without excessively pre-bending the fixation plate body, the invention can ensure that the whole plate type structure can not be damaged or deformed, can ensure the rigidity strength, can not break the plate in the prior art, is convenient for a doctor to operate and also improves the safety of the operation.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a way internal fixation board before neck chest section which characterized in that: comprises a fixing plate body (1), wherein the middle part of the fixing plate body (1) is provided with an observation window (2), the widths of the two ends of the fixing plate body (1) are different,
the fixing plate body (1) comprises a neck section (11) and a chest section (12) which are mutually integrated and have the same axis, the neck section (11) is provided with a first screw hole (3), the chest section (12) is provided with a second screw hole (4), the first screw hole (3) and the second screw hole (4) are positioned at two sides of the observation window (2),
the inner side surface of the neck section (11) is a cervical vertebra centrum anatomical curved surface (111), the inner side surface of the chest section (12) is a thoracic vertebra centrum anatomical curved surface (121), and the width of the end part of the neck section (11) is smaller than that of the end part of the chest section (12).
2. A cervico-thoracic segment anterior internal fixation plate of claim 1, wherein: neck section (11) are gone up and are located the inboard of first screw hole (3) and be equipped with first screw locking board (5), first screw locking board (5) and neck section (11) sliding fit, and first screw locking board (5) have first screw spacing arch (51) along its length direction's one end, first screw spacing arch (51) are located the one side that is close to first screw hole (3).
3. A cervico-thoracic anterior internal fixation plate as recited in claim 2, wherein: the first screw hole (3) is provided with two screw holes which are both provided with openings, the neck section (11) is provided with two first guide limiting slotted holes (112) which are mutually communicated with the corresponding first screw holes (3), a first connecting plate (113) is arranged between the two first guide limiting slotted holes (112), the first screw locking plate (5) is arranged on the first connecting plate (113), two sides of the first connecting plate (113) along the length direction are provided with a first guide strip (114) and a first limiting groove (115), two ends of the bottom of the first screw locking plate (5) are respectively provided with a first guide sliding block (52), the two first guide sliding blocks (52) are respectively positioned in the corresponding first guide limiting slotted holes (112), the inner side wall of each first guide sliding block (52) is provided with a first guide strip groove (53), the first guide strip (114) is arranged in the first guide strip groove (53), and pushing the first connecting plate (113), and enabling the first guide sliding block (52) to be clamped into the first limiting groove (115) after a first guide bar (114) of the first connecting plate (113) is in sliding fit with the first guide bar groove (53) of the first guide sliding block (52).
4. A cervico-thoracic segment anterior internal fixation plate of claim 3, wherein: the surface of the first screw locking plate (5) and the surface of the outer side face of the neck section (11) are located on the same plane, the other end of the first screw locking plate (5) in the length direction is provided with a first pushing notch (54), and a first avoiding pit (116) which is arranged corresponding to the first pushing notch (54) of the first locking plate (5) is arranged on the first connecting plate (113).
5. A cervico-thoracic segment anterior internal fixation plate of claim 3, wherein: first screw locking plate (5) bottom is equipped with first locating protrusion (55), first connecting plate (113) have first locating hole (117), promote first connecting plate (113), first locating protrusion (55) card is gone into in first locating hole (117).
6. A cervico-thoracic segment anterior internal fixation plate of claim 1, wherein: the chest section (12) is provided with a second screw locking plate (6) on the inner side of the second screw hole (4), the second screw locking plate (6) is in sliding fit with the chest section (12), one end of the second screw locking plate (6) in the length direction is provided with a second screw limiting protrusion (61), and the second screw limiting protrusion (61) is positioned on one side close to the second screw hole (4).
7. A cervico-thoracic segment anterior internal fixation plate of claim 6, wherein: the second screw holes (4) are provided with two screw holes which are both provided with openings, the chest section (12) is provided with two second guide limiting slotted holes (122) which are mutually communicated with the corresponding second screw holes (4), a second connecting plate (123) is arranged between the two second guide limiting slotted holes (122), the second screw locking plate (6) is arranged on the second connecting plate (123), the two sides of the second connecting plate (123) along the length direction are provided with a second guide strip (124) and a second limiting groove (125), the two ends of the bottom of the second screw locking plate (6) are respectively provided with a second guide sliding block (62), the two second guide sliding blocks (62) are respectively positioned in the corresponding second guide limiting slotted holes (122), the inner side wall of each second guide sliding block (62) is provided with a second guide strip groove (63), and the second guide strip (124) is arranged in a second guide strip groove (64), and the second connecting plate (123) is pushed, and the second guide strip (124) of the second connecting plate (123) is in sliding fit with the second guide strip groove (63) of the second guide sliding block (62) and then the second guide sliding block (62) can be clamped into the second limiting groove (125).
8. A cervico-thoracic segment anterior internal fixation plate of claim 7, wherein: the surface of the second screw locking plate (6) and the surface of the outer side face of the chest section (12) are located on the same plane, a second pushing notch (64) is formed in the other end of the second screw locking plate (6) in the length direction, and a second avoiding concave pit (126) which is arranged corresponding to the second pushing notch (64) of the second locking plate (6) is formed in the second connecting plate (123).
9. A cervico-thoracic segment anterior internal fixation plate of claim 7, wherein: the bottom of the second screw locking plate (6) is provided with a second positioning protrusion (65), the second connecting plate (123) is provided with a second positioning hole (127) to push the second connecting plate (123), and the second positioning protrusion (65) is clamped in the second positioning hole (127).
10. A cervico-thoracic segment anterior internal fixation plate of claim 1, wherein: screws (7) are respectively arranged in the first screw hole (3) and the second screw hole (4) of the fixing plate body (1), and the observation window (2) is a circular observation window, or a square observation window, or a waist-round observation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911091706.2A CN110801272A (en) | 2019-11-10 | 2019-11-10 | Internal fixing plate for anterior cervical and thoracic regions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911091706.2A CN110801272A (en) | 2019-11-10 | 2019-11-10 | Internal fixing plate for anterior cervical and thoracic regions |
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| Publication Number | Publication Date |
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| CN110801272A true CN110801272A (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911091706.2A Pending CN110801272A (en) | 2019-11-10 | 2019-11-10 | Internal fixing plate for anterior cervical and thoracic regions |
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| US20110106159A1 (en) * | 2008-06-05 | 2011-05-05 | Seaspine, Inc. | Spinal fixation plate assembly |
| US20150245859A1 (en) * | 2012-10-19 | 2015-09-03 | Deroyal Industries, Inc. | Cervical Plate With Retaining Clip |
| CN205758686U (en) * | 2016-06-02 | 2016-12-07 | 武汉德骼拜尔外科植入物有限公司 | A kind of cervical anterior bone plate system |
| CN110101447A (en) * | 2019-05-22 | 2019-08-09 | 西安市红会医院 | A kind of special fixing device meeting cervical spine chest section anatomy and biomethanics |
| CN211460478U (en) * | 2019-11-10 | 2020-09-11 | 迪恩医疗科技有限公司 | Internal fixing plate for anterior cervical and thoracic sections |
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2019
- 2019-11-10 CN CN201911091706.2A patent/CN110801272A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050075633A1 (en) * | 2003-10-02 | 2005-04-07 | Thomas Ross | Anterior cervical plate |
| US20100049256A1 (en) * | 2007-01-30 | 2010-02-25 | Dong Myung Jeon | Anterior cerivcal plating system |
| US20110106159A1 (en) * | 2008-06-05 | 2011-05-05 | Seaspine, Inc. | Spinal fixation plate assembly |
| US20150245859A1 (en) * | 2012-10-19 | 2015-09-03 | Deroyal Industries, Inc. | Cervical Plate With Retaining Clip |
| CN205758686U (en) * | 2016-06-02 | 2016-12-07 | 武汉德骼拜尔外科植入物有限公司 | A kind of cervical anterior bone plate system |
| CN110101447A (en) * | 2019-05-22 | 2019-08-09 | 西安市红会医院 | A kind of special fixing device meeting cervical spine chest section anatomy and biomethanics |
| CN211460478U (en) * | 2019-11-10 | 2020-09-11 | 迪恩医疗科技有限公司 | Internal fixing plate for anterior cervical and thoracic sections |
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Effective date of registration: 20220923 Address after: No.10 Jinshajiang Road, Xinbei District, Changzhou City, Jiangsu Province 213000 Applicant after: DEAN MEDICAL TECHNOLOGY CO.,LTD. Applicant after: SHANGHAI CHANGZHENG Hospital Address before: No.10 Jinshajiang Road, Xinbei District, Changzhou City, Jiangsu Province 213000 Applicant before: DEAN MEDICAL TECHNOLOGY CO.,LTD. Applicant before: Xiao Jianru |