CN108904028B - Improved angle bone fracture plate - Google Patents
Improved angle bone fracture plate Download PDFInfo
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- CN108904028B CN108904028B CN201810383404.1A CN201810383404A CN108904028B CN 108904028 B CN108904028 B CN 108904028B CN 201810383404 A CN201810383404 A CN 201810383404A CN 108904028 B CN108904028 B CN 108904028B
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- Prior art keywords
- plate
- limiting
- hole
- side wall
- baffle
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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
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
- A61B17/8057—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (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
The invention discloses an improved angle bone fracture plate which comprises an upper supporting plate, a lower supporting plate and a connecting part, wherein an upper mounting hole is formed in the upper supporting plate, the lower end of the upper mounting hole penetrates through the side wall of the connecting part, a vertical baffle is abutted against the front end surface of the lower supporting plate, supporting plates are formed on two sides of the lower end of the lower supporting plate, a hinge shaft is inserted in the supporting plates, the lower end of the baffle is inserted and fixed on the hinge shaft, a spline hole is formed in one end of the hinge shaft, and a positioning column is inserted in the spline hole; an upper groove and a lower groove are formed in the upper side wall and the lower side wall of the lower end of the upper mounting hole respectively, a limiting plate is formed at the upper end of the baffle plate and abuts against the lower groove, a limiting hole is formed in the limiting plate, a limiting rod is inserted in the limiting hole, a baffle is formed in the limiting rod, two ends of the pressure spring abut against the baffle and the upper groove respectively, and the upper end of the limiting rod penetrates out of the outer side wall of the connecting portion. The invention can avoid the loosening and the separation of the lag screw.
Description
The technical field is as follows:
the invention relates to the technical field of medical instruments, in particular to an improved angle bone fracture plate.
Background art:
at present, in bone-setting surgery, bone plates are indispensable fixing devices, and most of the bone plates with different shapes and similar functions, such as compression bone plates and transitional bone plates, are adopted as the fixing devices. The existing bone fracture plate is fixed at the fracture part by screws, which solves the problem of stable fixation to different degrees. However, in practical application, another problem still exists, which is mainly reflected in that after long-time fixation, the helical blade or the lag screw can easily move and even fall off, the bone-knitting effect is affected, and hidden troubles in rehabilitation of patients can be caused.
In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create an improved angle bone plate with a new structure, so that the bone plate has more industrial utility value.
The invention content is as follows:
the invention aims to solve the problems in the prior art and provides an improved angle bone fracture plate capable of preventing a lag screw from loosening and separating.
The invention relates to an improved angle bone fracture plate, which comprises an upper supporting plate, a lower supporting plate and a connecting part for connecting the upper supporting plate and the lower supporting plate, a plurality of lower mounting holes are formed on the side wall of the lower supporting plate, a step-shaped upper mounting hole is formed on the upper supporting plate, the lower end of the upper mounting hole penetrates through the side wall of the connecting part, the front end surface of the lower supporting plate is abutted against a vertical baffle, supporting plates are formed on two sides of the lower end of the lower supporting plate, the support plate is inserted with a hinge shaft, the lower end of the baffle is inserted and fixed on the hinge shaft, one end of the hinge shaft is formed with a spline hole, a positioning column is inserted in the spline hole, an external spline matched with the spline hole is formed on the positioning column, a positioning head abutting against the support plate is formed at one end of the positioning column, a magnet layer is arranged on the positioning head, and the magnet layer is adsorbed on the side wall of the support plate;
an upper groove and a lower groove are formed in the upper side wall and the lower side wall of the lower end of the upper mounting hole respectively, a limiting plate is formed in the upper end of the baffle plate and abuts against the lower groove, a limiting hole is formed in the limiting plate, a limiting rod is inserted in the limiting hole, a stop block is formed in the limiting rod, two ends of a pressure spring abut against the stop block and the upper groove respectively, and a pull ring is formed at the upper end of the limiting rod, penetrates out of the upper groove and the outer side wall of the connecting portion.
By means of the technical scheme, when the anti-loosening device is used, the baffle plate is abutted against the lower supporting plate, the lower end of the baffle plate is fixed to the lower end of the lower supporting plate, and the upper end of the baffle plate is fixed to the connecting portion, so that the tension screws in the upper mounting hole and the tension screws in the lower mounting hole can be prevented from loosening and falling off. When the baffle is lifted off to needs, only need pull out the reference column from the articulated shaft hard to remove the location to the articulated shaft, then stimulate the pull ring, make the gag lever post leave the spacing hole on the limiting plate, the pressure spring is compressed simultaneously and is saved elastic potential energy, thereby makes the upper end of baffle break away from connecting portion, then the baffle rotates round the extension board, thereby lift off the baffle from the bottom suspension fagging.
Through the scheme, the improved angle bone fracture plate provided by the invention is used for carrying out optimization and improvement on the bone fracture plate, and can prevent the lag screw from loosening and falling off.
Preferably, a through hole penetrating through the outer side wall of the connecting part is formed in the upper groove, and the limiting rod penetrates through the through hole.
Preferably, the bottom surfaces of the upper groove and the lower groove are parallel to the central axis of the upper mounting hole, and the limiting plate on the baffle plate is parallel to the central axis of the upper mounting hole.
Preferably, the lower mounting holes are vertically and uniformly distributed on the side wall of the lower support plate.
Preferably, the limiting plate on the baffle is inclined.
Preferably, the lower mounting hole is stepped.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Description of the drawings:
the drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of a portion of the structure of FIG. 2;
fig. 4 is a partial sectional structural view of fig. 1.
The specific implementation mode is as follows:
the following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 to 4, the improved angle bone fracture plate of the present invention comprises an upper support plate 11, a lower support plate 12 and a connecting portion 13 connecting the upper support plate 11 and the lower support plate 12, wherein a plurality of lower mounting holes 121 are formed on a side wall of the lower support plate 12, the lower mounting holes 121 are step-shaped, the lower mounting holes 121 are vertically and uniformly distributed on a side wall of the lower support plate 12, a step-shaped upper mounting hole 111 is formed on the upper support plate 11, a lower end of the upper mounting hole 111 penetrates through a side wall of the connecting portion 13, a vertical baffle plate 2 is abutted on a front end surface of the lower support plate 12, support plates 122 are formed on both sides of a lower end of the lower support plate 12, hinge shafts 3 are inserted on the support plates 122, lower ends of the baffle plates 2 are inserted and fixed on the hinge shafts 3, a spline hole 31 is formed at one end of the hinge shafts 3, positioning columns 4 are inserted, the positioning column 4 is formed with an external spline 41 matched with the spline 31 hole, one end of the positioning column 4 is formed with a positioning head 42 abutted against the support plate 122, the positioning head 42 is provided with a magnet layer 5, and the magnet layer 5 is adsorbed on the side wall of the support plate 122.
Referring to fig. 2, an upper groove 112 and a lower groove 113 are respectively formed on upper and lower side walls of a lower end of the upper mounting hole 111, a limiting plate 21 is formed on an upper end of the baffle plate 2, bottom surfaces of the upper groove 112 and the lower groove 113 are both parallel to a central axis of the upper mounting hole 111, the limiting plate 21 is parallel to the central axis of the upper mounting hole 111, the limiting plate 21 is inclined, the limiting plate 21 abuts against the lower groove 113, a limiting hole 211 is formed on the limiting plate 21, a limiting rod 6 is inserted in the limiting hole 211, a stopper 61 is formed on the limiting rod 6, two ends of the pressure spring 7 respectively abut against the stopper 61 and the upper groove 112, a pull ring 62 is formed at an upper end of the limiting rod 6 and penetrates through the upper groove 112 and an outer side wall of the connecting portion 13, a through hole 114 penetrating through an outer side wall of the connecting portion 13 is formed on the upper groove.
In the specific implementation of the invention, the baffle plate 2 is abutted against the lower support plate 12, the lower end of the baffle plate 2 is fixed at the lower end of the lower support plate 12, and the upper end of the baffle plate 2 is fixed on the connecting part 13, so that the tension screws in the upper mounting hole 111 and the tension screws in the lower mounting hole 121 can be prevented from loosening and falling off. When baffle 2 is lifted off to needs, only need pull out with power locating column 4 from articulated shaft 3 to remove the location to articulated shaft 3, then pulling pull ring 62 for gag lever post 6 leaves spacing hole 211 on the limiting plate 21, pressure spring 7 is compressed simultaneously and is stored elastic potential energy, thereby makes the upper end of baffle 21 break away from connecting portion 13, and then baffle 21 rotates around extension board 122, thereby lifts off baffle 21 from lower support plate 12.
In conclusion, the improved angle bone fracture plate provided by the invention is optimized and improved, and the tension screw can be prevented from loosening and falling off.
The present invention provides an improved angle bone plate, which is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and all such changes and substitutions are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. The utility model provides an improved generation angle coaptation board, includes last backup pad (11), bottom suspension fagging (12) and connection go up connecting portion (13) of backup pad (11) and bottom suspension fagging (12), the shaping has a plurality of mounting holes (121) down on the lateral wall of bottom suspension fagging (12), goes up the shaping on backup pad (11) and has step-like last mounting hole (111), the lower extreme of going up the mounting hole runs through the lateral wall of connecting portion (13), its characterized in that: the front end face of the lower supporting plate (12) is abutted against a vertical baffle (2), support plates (122) are formed on two sides of the lower end of the lower supporting plate (12), a hinge shaft (3) is inserted into each support plate, the lower end of the baffle (2) is inserted and fixed onto the hinge shaft (3), a spline hole (31) is formed in one end of the hinge shaft, a positioning column (4) is inserted into the spline hole, an external spline (41) matched with the spline hole (31) is formed in the positioning column, a positioning head (42) abutted against the support plate (122) is formed in one end of the positioning column (4), a magnet layer (5) is arranged on the positioning head, and the magnet layer is adsorbed on the side wall of the support plate (122);
an upper groove (112) and a lower groove (113) are formed in the upper side wall and the lower side wall of the lower end of the upper mounting hole (111) respectively, a limiting plate (21) is formed at the upper end of the baffle plate (2), the limiting plate abuts against the lower groove (113), a limiting hole (211) is formed in the limiting plate (21), a limiting rod (6) is inserted in the limiting hole, a stop block (61) is formed in the limiting rod, two ends of a pressure spring (7) abut against the stop block (61) and the upper groove (112) respectively, and a pull ring (62) is formed at the upper end of the limiting rod (6) through the upper groove (112) and the outer side wall of the connecting portion (13).
2. The improved angled bone plate of claim 1, wherein: a through hole (114) penetrating through the outer side wall of the connecting part (13) is formed in the upper groove (112), and the limiting rod (6) penetrates through the through hole (114).
3. The improved angled bone plate of claim 1, wherein: the bottom surfaces of the upper groove (112) and the lower groove (113) are parallel to the central axis of the upper mounting hole (111), and the limiting plate (21) on the baffle plate (2) is parallel to the central axis of the upper mounting hole (111).
4. The improved angled bone plate of claim 1, wherein: the lower mounting holes (121) are vertically and uniformly distributed on the side wall of the lower support plate (12).
5. The improved angled bone plate of claim 1, wherein: and the limiting plate (21) on the baffle plate (2) is obliquely arranged.
6. The improved angled bone plate of claim 1, wherein: the lower mounting hole (121) is stepped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383404.1A CN108904028B (en) | 2018-04-26 | 2018-04-26 | Improved angle bone fracture plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383404.1A CN108904028B (en) | 2018-04-26 | 2018-04-26 | Improved angle bone fracture plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108904028A CN108904028A (en) | 2018-11-30 |
| CN108904028B true CN108904028B (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810383404.1A Active CN108904028B (en) | 2018-04-26 | 2018-04-26 | Improved angle bone fracture plate |
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| Country | Link |
|---|---|
| CN (1) | CN108904028B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006098906A1 (en) * | 2005-03-11 | 2006-09-21 | Synthes (U.S.A.) | Translational plate with spring beam retainer |
| CN101111199A (en) * | 2004-12-06 | 2008-01-23 | 新特斯有限责任公司 | Translational plate with cover blocking system |
| CN101249018A (en) * | 2008-03-31 | 2008-08-27 | 中国人民解放军第三军医大学第二附属医院 | Waist five-vertebra and lumbosacral one-vertebra anterior internal fixation steel plate |
| CN101370439A (en) * | 2005-03-11 | 2009-02-18 | 新特斯有限责任公司 | Translational hinged door plate system |
| CN201481535U (en) * | 2009-07-21 | 2010-05-26 | 邹鸿星 | Static hip fracture fixing plate |
| CN201755246U (en) * | 2010-07-15 | 2011-03-09 | 田鹏 | Changeable biological-type proximal femur steel plate |
-
2018
- 2018-04-26 CN CN201810383404.1A patent/CN108904028B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101111199A (en) * | 2004-12-06 | 2008-01-23 | 新特斯有限责任公司 | Translational plate with cover blocking system |
| WO2006098906A1 (en) * | 2005-03-11 | 2006-09-21 | Synthes (U.S.A.) | Translational plate with spring beam retainer |
| CN101370439A (en) * | 2005-03-11 | 2009-02-18 | 新特斯有限责任公司 | Translational hinged door plate system |
| CN101249018A (en) * | 2008-03-31 | 2008-08-27 | 中国人民解放军第三军医大学第二附属医院 | Waist five-vertebra and lumbosacral one-vertebra anterior internal fixation steel plate |
| CN201481535U (en) * | 2009-07-21 | 2010-05-26 | 邹鸿星 | Static hip fracture fixing plate |
| CN201755246U (en) * | 2010-07-15 | 2011-03-09 | 田鹏 | Changeable biological-type proximal femur steel plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108904028A (en) | 2018-11-30 |
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Effective date of registration: 20191125 Address after: 523000 room 06, Room 203, building 1, No. 5, Songshan Lake section, Songshan Lake Avenue, Songshan Lake Park, Dongguan City, Guangdong Province Applicant after: Dongguan Jinyue Information Technology Co., Ltd. Address before: 523000 Guangdong province Dongguan City Songshan Lake high tech Industrial Zone Building 406 industrial development productivity Applicant before: Dongguan Lianzhou Intellectual Property Operation Management Co.,Ltd. |
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Effective date of registration: 20200806 Address after: No.11, District 6, Nanshan village, Luoyang street, Luqiao District, Taizhou City, Zhejiang Province Applicant after: Taizhou Fuya Electric Machinery Co., Ltd Address before: 523000 room 06, Room 203, building 1, No. 5, Songshan Lake section, Songshan Lake Avenue, Songshan Lake Park, Dongguan City, Guangdong Province Applicant before: Dongguan Jinyue Information Technology Co.,Ltd. |
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