CN108042193B - Femur double-side positioning steel plate - Google Patents
Femur double-side positioning steel plate Download PDFInfo
- Publication number
- CN108042193B CN108042193B CN201810089265.1A CN201810089265A CN108042193B CN 108042193 B CN108042193 B CN 108042193B CN 201810089265 A CN201810089265 A CN 201810089265A CN 108042193 B CN108042193 B CN 108042193B
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- Prior art keywords
- steel plate
- matched
- gourd
- holes
- positioning
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- 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.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 123
- 239000010959 steel Substances 0.000 title claims abstract description 123
- 210000000689 upper leg Anatomy 0.000 title claims abstract description 17
- 210000000078 claw Anatomy 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 206010016454 Femur fracture Diseases 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 208000010392 Bone Fractures Diseases 0.000 description 10
- 206010017076 Fracture Diseases 0.000 description 10
- 230000035876 healing Effects 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 3
- 210000001694 thigh bone Anatomy 0.000 description 3
- 241000219122 Cucurbita Species 0.000 description 2
- 235000009852 Cucurbita pepo Nutrition 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 208000008924 Femoral Fractures Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003275 diaphysis Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- 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
- 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 or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/74—Devices for the head or neck or trochanter of the femur
- A61B17/742—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck
- A61B17/746—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck the longitudinal elements coupled to a plate opposite the femoral head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8004—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- 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
Landscapes
- 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 a femur double-side positioning steel plate, which comprises a first steel plate and a second steel plate, wherein two sides of the first steel plate and the second steel plate are matched with femur anatomical structures, the first steel plate and the second steel plate are of elastic structures, the middle parts of the elastic structures are outwards tilted, matched threaded holes are formed in the middle parts of the first steel plate and the second steel plate, hook claws are arranged at two ends of the first steel plate and the second steel plate, a plurality of matched gourd-shaped holes are formed in the first steel plate and the second steel plate, the positions of the gourd-shaped holes close to the threaded holes are large holes, a first positioning screw penetrates through the threaded holes, a second positioning screw penetrates through the gourd-shaped holes, the first positioning screw comprises an outer pipe and an inner rod, the inner rod is rotationally connected with the outer pipe, external threads matched with the threaded holes in the second steel plate are formed in the inner rod, and external threads matched with the threaded holes in the first steel plate are formed in the outer pipe; the second set screw includes an external threaded portion and a slender shaft portion. The hook claws at the two ends of the steel plate compress the femur fracture part, so that the operation effect is ensured.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a femur double-side positioning steel plate.
Background
Pressure is applied to the fracture site to aid in healing during the healing of the femoral fracture. The existing femur positioning steel plate is generally fixed on one side, the positioning steel plate is fixed on the femur through a locking screw, and both the steel plate and the fracture end are easy to loosen. The existing femur steel plate is generally fixed by only one-sided steel plate screws, and cannot provide pressure for two sides of a fracture end, so that the healing speed of the fracture end is low, and even internal fixation fails and the fracture end does not heal. In order to make up for the shortages of the treatment means and the surgical instruments for the diaphysis fracture of the femur, the instrument for treating the fracture of the femur with good curative effect and quick healing is urgently needed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the femur double-side positioning steel plates, two positioning steel plates wrap the femur fracture part from two sides and penetrate into the locking screw for fixation, and the locking screw in the middle part can lead the two positioning steel plates to spring open and compress the femur fracture part through the hook claws at the two ends after being completely screwed in, thereby ensuring the operation effect.
In order to solve the technical problems, the invention is solved by the following technical scheme: the femur double-side positioning steel plate comprises a first steel plate and a second steel plate, wherein two sides of the first steel plate and the second steel plate are matched with femur anatomical structures, the first steel plate and the second steel plate are of elastic structures with the middle part being tilted outwards, matched threaded holes are formed in the middle of the first steel plate and the second steel plate, hook claws are formed in two ends of the first steel plate and two ends of the second steel plate, a plurality of matched gourd-shaped holes are formed in the first steel plate and the second steel plate, a large hole is formed in the position, close to the threaded holes, of each gourd-shaped hole, a first positioning screw penetrates through the threaded holes, a second positioning screw penetrates through the gourd-shaped holes, the first positioning screw comprises an outer tube and an inner rod, the inner rod is connected with the outer tube in a rotating mode, external threads matched with the threaded holes in the second steel plate are formed in the inner rod, and external threads matched with the threaded holes in the first steel plate are formed in the outer tube; the second positioning screw comprises an external thread part matched with the big hole of the gourd-shaped hole and two thin rod parts matched with the small hole of the gourd-shaped hole. When the bilateral positioning steel plate is used, the hook claws at the two ends of the first steel plate and the second steel plate hook thighbone, the first steel plate and the second steel plate are inwards sprung and penetrate into the first positioning screw, external threads on the outer tube are matched with threaded holes on the first steel plate, external threads on the inner rod are matched with threaded holes on the second steel plate, the second positioning screw penetrates into the large holes of the gourd-shaped hole until the thin rod part is matched with the gourd-shaped hole, at the moment, the inner rod of the first screw is screwed to enable the middle part of the first steel plate and the middle part of the second steel plate to be outwards sprung, the distance between the first steel plate and the second steel plate is controlled through rotation of the inner rod, so that the elastic force of the hook claws is adjusted, the small holes of the first steel plate and the second steel plate moving gourd-shaped hole slide to the thin rod part, and the hook claws inwards squeeze and increase fracture pressure. The two side positioning steel plates wrap the femur fracture part from two sides through the two positioning steel plates and penetrate into the locking screw for fixation, and the locking screw in the middle can lead the two positioning steel plates to spring open and compress the femur fracture part through the hook claws at two ends after being completely screwed in, so that the operation effect is ensured.
In the above technical solution, preferably, a protection cavity is formed outside the threaded hole and the gourd-shaped hole on the second steel plate, and ends of the first positioning screw and the second positioning screw are located in the protection cavity. The structure is adopted to protect the end parts of the first positioning screw and the second positioning screw and prevent the end parts of the first positioning screw and the second positioning screw from penetrating into muscles.
In the above technical solution, preferably, any one group of connecting lines of the gourd holes matched with one second positioning screw are not parallel to each other. The structure is adopted to ensure that the first steel plate and the second steel plate are not easy to separate when being subjected to unidirectional force.
Compared with the prior art, the invention has the following beneficial effects: when the bilateral positioning steel plate is used, the hook claws at the two ends of the first steel plate and the second steel plate hook thighbone, the first steel plate and the second steel plate are inwards sprung and penetrate into the first positioning screw, external threads on the outer tube are matched with threaded holes on the first steel plate, external threads on the inner rod are matched with threaded holes on the second steel plate, the second positioning screw penetrates into the large holes of the gourd-shaped hole until the thin rod part is matched with the gourd-shaped hole, at the moment, the inner rod of the first screw is screwed to enable the middle part of the first steel plate and the middle part of the second steel plate to be outwards sprung, the distance between the first steel plate and the second steel plate is controlled through rotation of the inner rod, so that the elastic force of the hook claws is adjusted, the small holes of the first steel plate and the second steel plate moving gourd-shaped hole slide to the thin rod part, and the hook claws inwards squeeze and increase fracture pressure. The two side positioning steel plates wrap the femur fracture part from two sides through the two positioning steel plates and penetrate into the locking screw for fixation, and the locking screw in the middle can lead the two positioning steel plates to spring open and compress the femur fracture part through the hook claws at two ends after being completely screwed in, so that the operation effect is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a first locking screw according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a second locking screw according to an embodiment of the present invention.
Fig. 4 is a left side view of fig. 1.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description: referring to fig. 1 to 4, the femur double-sided positioning steel plate comprises a first steel plate 1 and a second steel plate 2, wherein two sides of the first steel plate 1 and the second steel plate 2 are matched with femur anatomical structures, the first steel plate 1 and the second steel plate 2 are of elastic structures with the middle parts being tilted outwards, matched threaded holes 3 are formed in the middle parts of the first steel plate 1 and the second steel plate 2, hook claws 4 are formed in two ends of the first steel plate 1 and the second steel plate 2, a plurality of matched gourd-shaped holes 5 are formed in the first steel plate 1 and the second steel plate 2, the positions, close to the threaded holes 3, of the gourd-shaped holes 5 are large holes, first positioning screws 6 are arranged in the threaded holes 3 in a penetrating manner, second positioning screws 7 are arranged in the gourd-shaped holes 5 in a penetrating manner, the first positioning screws 6 comprise an outer pipe 61 and an inner rod 62, the inner rod 62 is connected with the outer pipe 61 in a rotating manner, external threads matched with the threaded holes 3 in the second steel plate 2 are formed in the inner rod 62, and external threads matched with the threaded holes 3 in the first steel plate 1 are formed in the outer pipe 61; the second set screw 7 comprises an external threaded portion 71 which cooperates with the large aperture of the gourd-shaped aperture 5 and two thin shank portions 72 which cooperate with the small aperture of the gourd-shaped aperture 5. When the bilateral positioning steel plate is used, the hook claws at the two ends of the first steel plate and the second steel plate hook thighbone, the first steel plate and the second steel plate are inwards sprung and penetrate into the first positioning screw, external threads on the outer tube are matched with threaded holes on the first steel plate, external threads on the inner rod are matched with threaded holes on the second steel plate, the second positioning screw penetrates into the large holes of the gourd-shaped hole until the thin rod part is matched with the gourd-shaped hole, at the moment, the inner rod of the first screw is screwed to enable the middle part of the first steel plate and the middle part of the second steel plate to be outwards sprung, the distance between the first steel plate and the second steel plate is controlled through rotation of the inner rod, so that the elastic force of the hook claws is adjusted, the small holes of the first steel plate and the second steel plate moving gourd-shaped hole slide to the thin rod part, and the hook claws inwards squeeze and increase fracture pressure. The two side positioning steel plates wrap the femur fracture part from two sides through the two positioning steel plates and penetrate into the locking screw for fixation, and the locking screw in the middle can lead the two positioning steel plates to spring open and compress the femur fracture part through the hook claws at two ends after being completely screwed in, so that the operation effect is ensured.
A protection cavity 21 is formed outside the threaded hole 3 and the gourd-shaped hole 5 on the second steel plate 2, and the ends of the first positioning screw 6 and the second positioning screw 7 are positioned in the protection cavity 21. The structure is adopted to protect the end parts of the first positioning screw and the second positioning screw and prevent the end parts of the first positioning screw and the second positioning screw from penetrating into muscles.
Any group of connecting lines of the gourd holes 5 matched with one second positioning screw 7 are not parallel to each other. The structure is adopted to ensure that the first steel plate and the second steel plate are not easy to separate when being subjected to unidirectional force.
Claims (1)
1. Femur double-side positioning steel plate, its characterized in that: the two sides of the steel plate are matched with femur anatomy structures, the first steel plate (1) and the second steel plate (2) are of elastic structures with the middle part being tilted outwards, the middle parts of the first steel plate (1) and the second steel plate (2) are provided with matched threaded holes (3), the two ends of the first steel plate (1) and the two ends of the second steel plate (2) are respectively provided with a hook claw (4), a plurality of gourd-shaped holes (5) which are matched are respectively arranged on the first steel plate (1) and the second steel plate (2), the positions of the gourd-shaped holes (5) close to the threaded holes (3) are large holes, first positioning screws (6) are arranged in the threaded holes (3) in a penetrating mode, second positioning screws (7) are arranged in the gourd-shaped holes (5) in a penetrating mode, the first positioning screws (6) comprise outer tubes (61) and inner rods (62), the inner rods (62) are connected with the outer tubes (61) in a rotating mode, and the inner rods (62) are provided with the matched threaded holes (3) on the second steel plate (2); the second positioning screw (7) comprises an external thread part (71) matched with a large hole of the gourd-shaped hole (5) and two thin rod parts (72) matched with small holes of the gourd-shaped hole (5), a protection cavity (21) is formed in the outer side of the screw hole (3) and the gourd-shaped hole (5) on the second steel plate (2), the end parts of the first positioning screw (6) and the second positioning screw (7) are positioned in the protection cavity (21), and any group of connecting lines of the gourd-shaped holes (5) matched with one second positioning screw (7) are not parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089265.1A CN108042193B (en) | 2018-01-25 | 2018-01-25 | Femur double-side positioning steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089265.1A CN108042193B (en) | 2018-01-25 | 2018-01-25 | Femur double-side positioning steel plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108042193A CN108042193A (en) | 2018-05-18 |
| CN108042193B true CN108042193B (en) | 2024-03-15 |
Family
ID=62125147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810089265.1A Active CN108042193B (en) | 2018-01-25 | 2018-01-25 | Femur double-side positioning steel plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108042193B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08112290A (en) * | 1993-03-28 | 1996-05-07 | Godefred Iechieru | Surgical operation apparatus for percutaneous connection |
| CN1329878A (en) * | 2001-08-14 | 2002-01-09 | 苏继承 | Internal fixator of interamedullary nail jined with steel plate |
| CN102415913A (en) * | 2011-06-09 | 2012-04-18 | 马丽昕 | Internal fixation device for femoral shaft fracture |
| CN203153924U (en) * | 2013-01-14 | 2013-08-28 | 山东省立医院 | Posterior pelvic ring sacrum minimally invasive internal fixer |
| CN103494637A (en) * | 2013-08-30 | 2014-01-08 | 浙江省中医院 | Clipping and locking bone fracture plate |
| CN204814152U (en) * | 2015-05-26 | 2015-12-02 | 杨勇 | Universal locking plate of thighbone near -end |
| JP2015217263A (en) * | 2014-05-21 | 2015-12-07 | ディトマール・ヴォルター | Osteosynthesis system for multidirectional, angular-stable treatment of fracture of tubular bone comprising intramedullary nail and bone screw |
| CN204909613U (en) * | 2015-07-31 | 2015-12-30 | 杨俊� | Locking plate |
| CN105342682A (en) * | 2015-11-30 | 2016-02-24 | 泰州市人民医院 | Bone fracture plate device for distal femur fracture |
| CN206403865U (en) * | 2016-10-20 | 2017-08-15 | 广州中医药大学第一附属医院 | A kind of femoral fracture positioner |
| CN208573809U (en) * | 2018-01-25 | 2019-03-05 | 宁波市第六医院 | Bilateral femoral positioning plate |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010060090A1 (en) * | 2008-11-24 | 2010-05-27 | Georgia Tech Research Corporation | Systems and methods to affect anatomical structures |
| TWI452992B (en) * | 2011-10-17 | 2014-09-21 | Taichung Veterans General Hospital Vacrs | Interlocking plate system |
| WO2013133886A1 (en) * | 2012-03-08 | 2013-09-12 | Trimed, Incorporated | System and method for treating bone fractures |
| WO2015112991A1 (en) * | 2014-01-27 | 2015-07-30 | Dallis James | Implantable medical device for restoring alignment and stabilizing bone fractures |
| WO2016127522A1 (en) * | 2015-02-09 | 2016-08-18 | 张英泽 | Porous bionic internal fixation apparatus for promoting fracture healing |
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2018
- 2018-01-25 CN CN201810089265.1A patent/CN108042193B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08112290A (en) * | 1993-03-28 | 1996-05-07 | Godefred Iechieru | Surgical operation apparatus for percutaneous connection |
| CN1329878A (en) * | 2001-08-14 | 2002-01-09 | 苏继承 | Internal fixator of interamedullary nail jined with steel plate |
| CN102415913A (en) * | 2011-06-09 | 2012-04-18 | 马丽昕 | Internal fixation device for femoral shaft fracture |
| CN203153924U (en) * | 2013-01-14 | 2013-08-28 | 山东省立医院 | Posterior pelvic ring sacrum minimally invasive internal fixer |
| CN103494637A (en) * | 2013-08-30 | 2014-01-08 | 浙江省中医院 | Clipping and locking bone fracture plate |
| JP2015217263A (en) * | 2014-05-21 | 2015-12-07 | ディトマール・ヴォルター | Osteosynthesis system for multidirectional, angular-stable treatment of fracture of tubular bone comprising intramedullary nail and bone screw |
| CN204814152U (en) * | 2015-05-26 | 2015-12-02 | 杨勇 | Universal locking plate of thighbone near -end |
| CN204909613U (en) * | 2015-07-31 | 2015-12-30 | 杨俊� | Locking plate |
| CN105342682A (en) * | 2015-11-30 | 2016-02-24 | 泰州市人民医院 | Bone fracture plate device for distal femur fracture |
| CN206403865U (en) * | 2016-10-20 | 2017-08-15 | 广州中医药大学第一附属医院 | A kind of femoral fracture positioner |
| CN208573809U (en) * | 2018-01-25 | 2019-03-05 | 宁波市第六医院 | Bilateral femoral positioning plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108042193A (en) | 2018-05-18 |
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