CN105055008A - Anterior screw plate device capable of being lengthened - Google Patents
Anterior screw plate device capable of being lengthened Download PDFInfo
- Publication number
- CN105055008A CN105055008A CN201510561807.7A CN201510561807A CN105055008A CN 105055008 A CN105055008 A CN 105055008A CN 201510561807 A CN201510561807 A CN 201510561807A CN 105055008 A CN105055008 A CN 105055008A
- Authority
- CN
- China
- Prior art keywords
- screw
- hold
- hole
- pressed against
- blade plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7043—Screws or hooks combined with longitudinal elements which do not contact vertebrae with a longitudinal element fixed to one or more transverse elements which connect multiple screws or hooks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
- A61B17/7067—Devices bearing against one or more spinous processes and also attached to another part of the spine; Tools therefor
Abstract
The invention discloses an anterior screw plate device capable of being lengthened. The anterior screw plate device comprises a supporting mesh column connected between an upper vertebral body and a lower vertebral body, holding clamps capable of moving up and down along the supporting mesh column are connected to the upper portion and the lower portion of the supporting mesh column respectively, bone fracture plates are connected to the holding clamps through fixing screws which are arranged on the bone fracture plates in a penetrating mode and can limit the positions of the holding clamps, bone screw holes are formed in the upper portions of the bone fracture plates, and bone screws capable of fixing the bone fracture plates to the vertebral bodies are arranged in the bone screw holes in a penetrating mode. The anterior screw plate device has the advantages that in an operation, the length can be adjusted in time, and the connection of the bone fracture plates is firm.
Description
Technical field
The present invention relates to one and can extend front traffic stud panel assembly.
Background technology
Patient is because when traffic accident or other reasons cause Vertebral body damage serious, the pyramidal portion damaged is needed to remove, install at the pyramidal portion removed and support net post, support the two ends up and down of net post withstand respectively above and below vertebral body, again by blade plate by above and below vertebral body connect, the length of blade plate is greater than the length of the vertebral body of damage, and the top of blade plate is connected to top vertebral body upper and lower part by two bone screws is connected on the vertebral body of below by bone screw.There is following shortcoming in this reinforcing mode: 1. blade plate only has three length models, in art, if patient's osteoporosis is serious, after on the spongy bone that the bone screw on blade plate is fixed on vertebral body, bone screw easily occur loosen even lost efficacy, add the slight illness of patient; 2. the length of blade plate is generally definite value, is namely divided into the blade plate of different model, and the bone screw upper-lower height position on blade plate can not be moved, and bone screw thus can not be made to enter by optimum position, easily causes blade plate to connect unstable phenomenon; 3., if run into the excision of overlength pathological changes, the longest blade plate can not meet requirements of operation.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned defect, provide in a kind of art immediately can adjust length and blade plate be connected firmly extend front traffic stud panel assembly.
In order to solve the problems of the technologies described above, the front traffic stud panel assembly that extends provided comprises the support net post be connected between hypocentrum, its construction features is: the upper and lower of described support net post be connected to can slide up and down along it hold clip tightly, hold tightly on clip and be connected with blade plate, blade plate is held tightly on clip by installing thereon and the hold-down screw holding clip restriction position tightly can being connected to, blade plate top is provided with bone screw hole, and being coated with in bone screw hole can by plate fixation at epicentral bone screw.
Hold clip tightly and there is the through hole that can pass for support net post, the outside of holding clip tightly is provided with certainly the through axial cut-outs to described through hole outside to inside, hold portion's section that clip is positioned at axial cut-outs both sides tightly and form two connecting platforms that can recline with blade plate inner surface, described hold-down screw is screwed onto in the fixing screw hole of connecting platform, wherein the connecting platform of side is provided with the deep gouge extended internally from its outer surface, the limit wall of deep gouge sidepiece forms outwardly convex edge, the outwardly height in convex edge is higher than the outer surface of described connecting platform, the connecting platform of this side is also provided be communicated with described deep gouge and be arranged in parallel with described through hole limit wall and extends to the elasticity gap of fixing screw hole.
Blade plate is provided with the screw mounting hole penetrated for hold-down screw, and the inner wall section surface of screw mounting hole is sphere, and hold-down screw has screw head and the section of being threaded, and screw head has the round end sphere matched with the inner wall section surface of described spherically shape.
Blade plate be provided with lay respectively at screw mounting hole sidepiece be pressed against screwed hole, be pressed against in screwed hole be connected with the screw head outer surface that can be pressed against described hold-down screw be pressed against screw.
Be pressed against screw and comprise the thread segment being screwed onto and being pressed against in screwed hole, what the front end of thread segment outwardly formed the screw head front-end surface that can compress described hold-down screw is pressed against convex edge, is pressed against convex edge and is provided with at least one can penetrate screw mounting hole breach for hold-down screw.
The transverse cross sectional face of blade plate is that middle part arc is outwardly arranged, be fixed on epicentral bone screw blade plate and be provided with the bone screw hole penetrated for bone screw, the inner wall section surface of bone screw hole is sphere, the head of described bone screw has the round end sphere matched with the inner wall section surface of described spherically shape, and screw is pressed against in the synthetism described blade plate being connected with the head exterior surface that can be pressed against described bone screw.
In sum, the present invention has in art and immediately can adjust length and the advantage that is connected firmly of blade plate.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail:
Fig. 1 is the structural representation of prior art;
Fig. 2 is the structural representation of an embodiment of the present invention;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is the structural representation analysed and observe along A-A line in Fig. 2;
Fig. 5 is the structural representation analysed and observe along B-B line in Fig. 2;
Fig. 6 is the structural representation analysed and observe along C-C line in Fig. 3;
Fig. 7 is the structural representation of using state of the present invention.
Detailed description of the invention
As shown in Figure 1, before carrying out during road vertebral body fixing operation, the vertebral body damaged centre is removed, implant and support net post 1, the vertebral body that the vertebral body of top is withstood at top, lower end props up below supporting net post 1, support the arranged outside synthetism connecting plate 10 of net post 1, the length of synthetism connecting plate 10 and the position of screw hole are definite value, it can only implant synthetism connected nail 11 according to fixing position, the implantation position of the serious or synthetism connected nail 11 of patient's osteoporosis and direction undesirable time, have a strong impact on the rehabilitation of patient.
Shown in Fig. 2, The present invention gives a kind of embodiment extending front traffic stud panel assembly, it comprises the support net post 1 be connected between hypocentrum, support the upper and lower of net post 1 be connected to can slide up and down along it hold clip 2 tightly, hold tightly on clip 2 and be connected with blade plate 4, blade plate 4 is held tightly on clip by installing thereon and the hold-down screw 3 holding clip 2 tightly and limit position can being connected to, blade plate 4 top is provided with bone screw hole 5, is coated with and blade plate 4 can be fixed on epicentral bone screw 6 in bone screw hole 5.
As shown in Figures 2 to 6, hold clip 2 tightly and there is the through hole that can pass for support net post, the outside of holding clip 2 tightly is provided with certainly the through axial cut-outs 21 to described through hole outside to inside, hold portion's section that clip 2 is positioned at axial cut-outs both sides tightly and form two connecting platforms 22 that can recline with blade plate inner surface, described hold-down screw is screwed onto in the fixing screw hole of connecting platform 22, wherein the connecting platform 22 of side is provided with the deep gouge 23 extended internally from its outer surface, the limit wall of deep gouge 23 sidepiece forms outwardly convex edge 24, the outwardly height in convex edge 24 is higher than the outer surface of described connecting platform, the connecting platform 22 of this side is also provided be communicated with described deep gouge and be arranged in parallel with described through hole limit wall and extends to the elasticity gap 25 of fixing screw hole, by above-mentioned setting, when screwing hold-down screw, can make to hold clip 2 tightly is firmly being fixed on support net post, it not only can be made not move up and down, the setting in above-mentioned convex edge and elasticity gap can make hold-down screw there will not be and move back nail phenomenon.Blade plate 4 is provided with the screw mounting hole 41 penetrated for hold-down screw 3, the inner wall section surface of screw mounting hole 41 is sphere, hold-down screw 3 has screw head 31 and the section of being threaded 32, and screw head 31 has the round end sphere 311 matched with the inner wall section surface of described spherically shape.Blade plate 4 be provided with lay respectively at screw mounting hole 41 sidepiece be pressed against screwed hole, be pressed against in screwed hole be connected with screw head 31 outer surface that can be pressed against described hold-down screw 3 be pressed against screw 7.Be pressed against screw 7 and comprise the thread segment 71 being screwed onto and being pressed against in screwed hole, what the front end of thread segment 71 outwardly formed screw head 31 front-end surface that can compress described hold-down screw 3 is pressed against convex edge 72, be pressed against convex edge 72 and be provided with at least one can penetrate screw mounting hole 41 breach 721 for hold-down screw 3, by above-mentioned mating spherical surfaces can adjust flexibly to make hold-down screw 3 into nail direction stretch to appropriate location, and by the convex edge of being pressed against screw hold-down screw can be stretched into angle orientation, ensure to there will not be the loosening phenomenon of moving back nail phenomenon and hold-down screw.
As shown in Figure 3 and Figure 6, the transverse cross sectional face of blade plate 4 is that middle part arc is outwardly arranged, be fixed on epicentral bone screw 6, blade plate 4 is provided with the bone screw hole 8 penetrated for bone screw 6, the inner wall section surface of bone screw hole 8 is sphere, the head of described bone screw 6 has the round end sphere 61 matched with the inner wall section surface of described spherically shape, screw 9 is pressed against in the synthetism described blade plate 4 being connected with the head exterior surface that can be pressed against described bone screw 6, this synthetism concrete structure of being pressed against screw 9 is identical with the above-mentioned structure being pressed against screw, do not repeat them here, operate for convenience and avoid the inserting end being pressed against screw to continue to stretch into and lean vertebral body, the above-mentioned screw that is pressed against can adopt the structure be rotatably connected on blade plate 4, specifically, blade plate 4 arranges stepped hole, the two ends of stepped hole are the bigger hole of diameter, centre is the smaller hole of diameter, be pressed against screw and there is the outer convex edge being arranged in outside macropore, be arranged in the internal ring edge of inner side macropore and be rotatably assorted at the cylinder of medial small hole, outer convex edge has at least one place breach, effect is pressed against by what rotate that this is pressed against that screw realizes that outer convex edge docks bone screw, this structure does not illustrate in an embodiment.。
As shown in Figure 7, during use, the blade plate of top can be connected on the vertebral body of top, by holding the position sliding up and down adjustment blade plate of clip tightly, namely adjust suitable transverse direction to enter to follow closely angle, due to the mating spherical surfaces between bone screw and blade plate, can universally adjust into nail angle, namely can arbitrarily angled tilt into nail, same reason, the connecting plate of below also can adjust and realize the best and enter nail, thus facilitates operating theatre staff and grasps the best and enter to follow closely angle, to be conducive between blade plate with vertebral body firm is connected, and contributes to the quick recovery of patient.
The present invention is not restricted to the described embodiments, and the art personnel, replaces all in protection scope of the present invention based on the equivalent variations of concrete structure in the present invention and parts.
Claims (6)
1. one kind can extend front traffic stud panel assembly, comprise the support net post (1) be connected between hypocentrum, it is characterized in that: the upper and lower of described support net post (1) be connected to can slide up and down along it hold clip (2) tightly, hold tightly on clip (2) and be connected with blade plate (4), blade plate (4) is held tightly on clip by installing thereon and the hold-down screw (3) holding clip (2) restriction position tightly can being connected to, blade plate (4) top is provided with bone screw hole (5), be coated with in bone screw hole (5) and blade plate (4) can be fixed on epicentral bone screw (6).
2. according to claim 1ly extend front traffic stud panel assembly, it is characterized in that: described in hold that clip (2) has tightly can for supporting the net post through hole that pass, the outside of holding clip (2) tightly is provided with certainly the through axial cut-outs (21) to described through hole outside to inside, hold portion's section that clip (2) is positioned at axial cut-outs both sides tightly and form two connecting platforms (22) that can recline with blade plate inner surface, described hold-down screw is screwed onto in the fixing screw hole of connecting platform (22), wherein the connecting platform (22) of side is provided with the deep gouge (23) extended internally from its outer surface, the limit wall of deep gouge (23) sidepiece forms outwardly convex edge (24), the outwardly height in convex edge (24) is higher than the outer surface of described connecting platform, the connecting platform (22) of this side is also provided be communicated with described deep gouge and be arranged in parallel with described through hole limit wall and extends to the elasticity gap (25) of fixing screw hole.
3. according to claim 2ly extend front traffic stud panel assembly, it is characterized in that: described blade plate (4) is provided with the screw mounting hole (41) penetrated for hold-down screw (3), the inner wall section surface of screw mounting hole (41) is sphere, hold-down screw (3) has screw head (31) and the section of being threaded (32), and screw head (31) has the round end sphere (311) matched with the inner wall section surface of described spherically shape.
4. according to claim 3ly extend front traffic stud panel assembly, it is characterized in that: described blade plate (4) be provided with lay respectively at screw mounting hole (41) sidepiece be pressed against screwed hole, be pressed against in screwed hole be connected with screw head (31) outer surface that can be pressed against described hold-down screw (3) be pressed against screw (7).
5. anterior cervical vertebrae pedicle of vertebral arch plate fixation system according to claim 4, it is characterized in that: described in be pressed against screw (7) and comprise the thread segment (71) being screwed onto and being pressed against in screwed hole, what the front end of thread segment (71) outwardly formed screw head (31) front-end surface that can compress described hold-down screw (3) is pressed against convex edge (72), is pressed against convex edge (72) and is provided with at least one hold-down screw (3) can be supplied to penetrate the breach (721) of screw mounting hole (41).
6. according to any one of claim 1-5, extend front traffic stud panel assembly, it is characterized in that: the transverse cross sectional face of described blade plate (4) is that middle part arc is outwardly arranged, be fixed on epicentral bone screw (6) blade plate (4) and be provided with the bone screw hole (8) penetrated for bone screw (6), the inner wall section surface of bone screw hole (8) is sphere, the head of described bone screw (6) has the round end sphere (61) matched with the inner wall section surface of described spherically shape, screw (9) 2 is pressed against in the synthetism described blade plate (4) being connected with the head exterior surface that can be pressed against described bone screw (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510561807.7A CN105055008A (en) | 2015-09-07 | 2015-09-07 | Anterior screw plate device capable of being lengthened |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510561807.7A CN105055008A (en) | 2015-09-07 | 2015-09-07 | Anterior screw plate device capable of being lengthened |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105055008A true CN105055008A (en) | 2015-11-18 |
Family
ID=54484707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510561807.7A Pending CN105055008A (en) | 2015-09-07 | 2015-09-07 | Anterior screw plate device capable of being lengthened |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105055008A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040068318A1 (en) * | 2002-10-02 | 2004-04-08 | Coates Bradley J. | Modular intervertebral prosthesis system |
| CN2675068Y (en) * | 2003-12-23 | 2005-02-02 | 中国人民解放军第九五医院 | Atlas and axis posterior internal fixation device |
| US20080015704A1 (en) * | 2006-06-28 | 2008-01-17 | Ulrich Gmbh & Co.Kg | Vertebral implant |
| CN101557767A (en) * | 2006-11-02 | 2009-10-14 | 华沙整形外科股份有限公司 | Uni-directional ratcheting bone plate assembly |
| CN202136407U (en) * | 2011-07-09 | 2012-02-08 | 李郁松 | Physiological inner fixing device for subtotal resection of single vertebral body of anterior cervical spine |
| CN202437397U (en) * | 2011-11-11 | 2012-09-19 | 兰州大学 | Fixable titanium mesh |
| CN202776644U (en) * | 2012-10-18 | 2013-03-13 | 胡勇 | Second cervical vertebra displacer with fusion structure |
| CN203280474U (en) * | 2013-01-16 | 2013-11-13 | 天津市威曼生物材料有限公司 | Adjustable porous fusion device with lock |
| CN204500928U (en) * | 2014-12-27 | 2015-07-29 | 中国人民解放军第四军医大学 | A kind of lateral connector assembly assembled, connect spinal column fixing rod |
| CN205031349U (en) * | 2015-09-07 | 2016-02-17 | 徐嘉炜 | Traffic stud board device before can prolonging |
-
2015
- 2015-09-07 CN CN201510561807.7A patent/CN105055008A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040068318A1 (en) * | 2002-10-02 | 2004-04-08 | Coates Bradley J. | Modular intervertebral prosthesis system |
| CN2675068Y (en) * | 2003-12-23 | 2005-02-02 | 中国人民解放军第九五医院 | Atlas and axis posterior internal fixation device |
| US20080015704A1 (en) * | 2006-06-28 | 2008-01-17 | Ulrich Gmbh & Co.Kg | Vertebral implant |
| CN101557767A (en) * | 2006-11-02 | 2009-10-14 | 华沙整形外科股份有限公司 | Uni-directional ratcheting bone plate assembly |
| CN202136407U (en) * | 2011-07-09 | 2012-02-08 | 李郁松 | Physiological inner fixing device for subtotal resection of single vertebral body of anterior cervical spine |
| CN202437397U (en) * | 2011-11-11 | 2012-09-19 | 兰州大学 | Fixable titanium mesh |
| CN202776644U (en) * | 2012-10-18 | 2013-03-13 | 胡勇 | Second cervical vertebra displacer with fusion structure |
| CN203280474U (en) * | 2013-01-16 | 2013-11-13 | 天津市威曼生物材料有限公司 | Adjustable porous fusion device with lock |
| CN204500928U (en) * | 2014-12-27 | 2015-07-29 | 中国人民解放军第四军医大学 | A kind of lateral connector assembly assembled, connect spinal column fixing rod |
| CN205031349U (en) * | 2015-09-07 | 2016-02-17 | 徐嘉炜 | Traffic stud board device before can prolonging |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151118 |