CN220938140U - Inward pressurizing fixed bone fracture plate for treating bicondylar tibial plateau fracture - Google Patents
Inward pressurizing fixed bone fracture plate for treating bicondylar tibial plateau fracture Download PDFInfo
- Publication number
- CN220938140U CN220938140U CN202322045405.4U CN202322045405U CN220938140U CN 220938140 U CN220938140 U CN 220938140U CN 202322045405 U CN202322045405 U CN 202322045405U CN 220938140 U CN220938140 U CN 220938140U
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- CN
- China
- Prior art keywords
- bone plate
- bolt
- fixing
- tibial plateau
- fracture
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- 208000010392 Bone Fractures Diseases 0.000 title claims abstract description 31
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 57
- 210000002303 tibia Anatomy 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 11
- 238000007906 compression Methods 0.000 abstract description 11
- 210000003205 muscle Anatomy 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000004936 stimulating effect Effects 0.000 abstract 1
- 206010017076 Fracture Diseases 0.000 description 17
- 230000000638 stimulation Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 241001227561 Valgus Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 210000000629 knee joint Anatomy 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 241000469816 Varus Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002082 fibula Anatomy 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000007246 mechanism Effects 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
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses an inward pressurizing fixed bone plate for treating a bicondylar tibial plateau fracture, which comprises an outer bone plate, wherein the outer bone plate is integrally in an L-shaped structure and is attached to the outer side of a fractured tibia of a patient; six first fixing holes are formed in the distal end and the proximal end of the outer bone plate in total; the medial bone plate is of a T-shaped structure as a whole, and is attached to the inner side of fractured tibia of a patient. This inwards pressurization fixed bone fracture plate of treatment bicondylar tibial plateau fracture adopts novel structural design, utilizes outside bone plate and inside bone plate to closely paste the cracked shin bone position of patient in the in-process of using, later utilizes set screw and compression bolt to fix, and all parts of device adopt absorbable material to make, so can be degraded by the human body and absorb, need not carry out the secondary operation and take out to compression bolt's head and afterbody inlay inside the bone plate, avoid stimulating patient's muscle tissue.
Description
Technical Field
The utility model relates to the technical field of orthopedic medical instruments, in particular to an inward pressurizing fixed bone fracture plate for treating a bicondylar tibial plateau fracture.
Background
The fracture of the tibial plateau is mostly caused by high-energy injury, takes the fracture and/or collapse of the articular surface of the tibial plateau as the basic characteristics, is usually caused by the axial external force of the lower limb and the varus or valgus injury of the knee joint together, and accounts for about 1-2% of the total number of adult fracture and 8% of the senile fracture. Because of the 7 degree physiologic valgus angle of the knee joint, the injury mechanism is also common in lateral violence, and therefore fractures involving the lateral platform account for about 90%. The key point of the tibial plateau fracture treatment is to reduce and fix the fracture block, and provide a stable mechanical environment for the reduced bone block, which plays a vital role in fracture healing.
In the prior art, chinese patent with the authority of bulletin number of CN212547138U discloses a bone plate for the outer side of a tibia platform, and particularly relates to the field of medical appliances; the side hook comprises a plate body, side wings and side hooks, wherein a plurality of screw holes are formed in the plate body, the side hooks capable of crossing the small ends of fibula are arranged on the side parts of the top end of the plate body, the side wings are arranged on the other side of the plate body, the screw holes are also formed in the side wings, and the directions of the side wings and the side hooks are opposite. The utility model aims to improve the internal fixation strength of fracture, reduce the fracture block better and provide firm fixation for the early functional exercise of the patient with tibial plateau fracture after operation;
But in actual use, in order to reach better fixed effect, need increase the compression bolt on the basis of original screw, and the compression bolt needs to wear out the tibia, and the nut and the coaptation board laminating effect of compression bolted connection are relatively poor in traditional device, so can cause certain stimulation to the patient to traditional hiring board adopts the titanium alloy material, need carry out the secondary operation and take out it.
Disclosure of utility model
The utility model aims to provide an inward pressurizing fixed bone fracture plate for treating a bicondylar tibial plateau fracture, which aims to solve the problems that the proposed device in the background art prominently stimulates muscle tissues of a patient and needs a secondary operation extraction device.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an inwards-pressurized fixed bone plate for treating a bicondylar tibial plateau fracture, comprising an outer bone plate, an inner bone plate, a first set screw, a second set screw, a pressurized bolt, a bolt head assembly and a bolt tail assembly, and further comprising:
The outer bone plate is integrally in an L-shaped structure, is attached to the outer side of a fractured tibia of a patient, and is provided with six first fixing holes at the distal end and the proximal end;
The medial bone plate is integrally in a T-shaped structure, the medial bone plate is attached to the inner side of fractured tibia of a patient, and six second fixing holes are formed in the distal end and the proximal end of the medial bone plate.
Preferably, the outer bone plate, the inner bone plate, the first set screw, the second set screw, the compression bolt, the bolt head assembly and the bolt tail assembly are all made of magnesium alloy-hydroxyapatite absorbable materials which can be absorbed and degraded in human body, so that a secondary operation extraction device is not needed.
Preferably, the first fixing screw penetrates through the first fixing hole to extend into the tibia for fixing, and the second fixing screw penetrates through the second fixing hole to extend into the tibia for fixing.
Preferably, the first fixing screws and the second fixing screws are obliquely and alternately distributed, so that mutual interference between the first fixing screws and the second fixing screws is avoided.
Preferably, the pressurizing bolt penetrates through the tibia of the patient through the middle two first fixing holes and the second fixing holes at the upper end, and the front end and the rear end of the pressurizing bolt are respectively provided with a bolt head assembly and a bolt tail assembly.
Preferably, the rear ends of the bolt head assembly and the bolt tail assembly are both arranged in a circular truncated cone-shaped structure, so that the bolt head assembly and the bolt tail assembly are conveniently embedded into the first fixing hole and the second fixing hole, and the circular truncated cone device can be better embedded into the fixing hole, so that the stimulation to muscle tissues of a patient is reduced.
Compared with the prior art, the utility model has the beneficial effects that: this inwards pressurization fixed bone plate of treatment bicondylar tibia platform fracture adopts novel structural design, utilizes outside bone plate and inside bone plate to closely paste patient cracked tibia position at the in-process of using, later utilizes set screw and compression bolt to fix, and all parts of device adopt absorbable material to make, so can be degraded by the human body and absorb, need not carry out the secondary operation and take out to compression bolt's head and afterbody inlay inside the bone plate, avoid amazing patient's musculature, its specific content is as follows:
1. the fixing screws are implanted in a staggered mode of an inclined structure, adjacent fixing screws are not affected, interference between the screws is avoided, and the device is made of magnesium alloy-hydroxyapatite absorbable materials which can be degraded and absorbed by human bodies.
2. The compression bolt and the bolt head component and the bolt tail component are matched for use, and the bolt head component and the bolt tail component are all arranged to be of a round table-shaped structure, so that the compression bolt can be embedded into the fixing holes of the outer side bone plate and the inner side bone plate during installation, and the stimulation to ending muscle tissues is reduced.
Drawings
FIG. 1 is an overall exploded view of the present utility model;
FIG. 2 is a schematic view of the lateral bone plate of the present utility model in a three-dimensional orientation;
FIG. 3 is a schematic view of a medial bone plate in a three-dimensional orientation according to the present utility model;
FIG. 4 is a schematic top view of the overall structure of the present utility model;
FIG. 5 is a schematic perspective view of a compression bolt according to the present utility model;
FIG. 6 is a schematic cross-sectional perspective view of a bolt tail assembly according to the present utility model.
In the figure: 1. a lateral bone plate; 2. a medial bone plate; 3. a first fixing hole; 4. a second fixing hole; 5. a first set screw; 6. a second set screw; 7. a pressing bolt; 8. a bolt head assembly; 9. bolt tail assembly.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution: an inward pressurizing fixed bone plate for treating a bicondylar tibial plateau fracture, which comprises a lateral bone plate 1, a medial bone plate 2, a first set screw 5, a second set screw 6, a pressurizing bolt 7, a bolt head assembly 8 and a bolt tail assembly 9, and further comprises: the outer bone plate 1 is of an L-shaped structure as a whole, the outer bone plate 1 is attached to the outer side of a fractured tibia of a patient, and six first fixing holes 3 are formed in the distal end and the proximal end of the outer bone plate 1; the inner side bone plate 2 is of a T-shaped structure as a whole, the inner side bone plate 2 is attached to the inner side of fractured tibia of a patient, and six second fixing holes 4 are formed in the far end and the near end of the inner side bone plate 2;
The outer bone plate 1, the inner bone plate 2, the first fixing screw 5, the second fixing screw 6, the pressurizing bolt 7, the bolt head component 8 and the bolt tail component 9 are all made of magnesium alloy-hydroxyapatite absorbable materials, the first fixing screw 5 penetrates through the first fixing hole 3 to stretch into the tibia to be fixed, the second fixing screw 6 penetrates through the second fixing hole 4 to stretch into the tibia to be fixed, the first fixing screw 5 and the second fixing screw 6 are obliquely and alternately distributed, mutual interference between the two is avoided, the pressurizing bolt 7 penetrates through the tibia of a patient through the middle two first fixing holes 3 and the second fixing holes 4 at the upper end, the bolt head component 8 and the bolt tail component 9 are respectively arranged at the front end and the rear end of the pressurizing bolt 7, the bolt head component 8 and the rear end of the bolt tail component 9 are both in a round table-shaped structure, and the bolt head component 8 and the bolt tail component 9 are conveniently embedded into the first fixing hole 3 and the second fixing hole 4;
In the use process of the device, the outer bone plate 1 and the inner bone plate 2 are attached to the fractured tibia position of a patient by utilizing an operation, then the first fixing screw 5 and the second fixing screw 6 are respectively inserted into the tibia through the first fixing hole 3 and the second fixing hole 4, so that the whole device is fixed, then the pressurizing bolt 7 is inserted into the two corresponding first fixing holes 3 and the second fixing holes 4, then the bolt tail assembly 9 is installed at the tail of the pressurizing bolt 7 in a threaded mode, and finally the bolt tail assembly 9 is embedded into the second fixing hole 4, so that the stimulation to muscle tissues of the patient is reduced.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An inwards-pressurized fixed bone fracture plate for treating a bicondylar tibial plateau fracture comprises an outer bone plate (1), an inner bone plate (2), a first set screw (5), a second set screw (6), a pressurized bolt (7), a bolt head assembly (8) and a bolt tail assembly (9), and is characterized by further comprising:
The outer bone plate (1) is of an L-shaped structure as a whole, the outer bone plate (1) is attached to the outer side of a fractured tibia of a patient, and six first fixing holes (3) are formed in the distal end and the proximal end of the outer bone plate (1) in total;
The inside bone plate (2) wholly is "T" font structure, inside bone plate (2) laminating is inboard at patient cracked tibia, six second fixed orifices (4) have equally been offered to inside bone plate (2) distal end and proximal end.
2. An inwardly pressurized fixation bone plate for treating a bicondylar tibial plateau fracture as claimed in claim 1, wherein: the outer bone plate (1), the inner bone plate (2), the first fixing screw (5), the second fixing screw (6), the pressurizing bolt (7), the bolt head component (8) and the bolt tail component (9) are all made of magnesium alloy-hydroxyapatite absorbable materials.
3. An inwardly pressurized fixation bone plate for treating a bicondylar tibial plateau fracture as claimed in claim 1, wherein: the first fixing screw (5) penetrates through the first fixing hole (3) to extend into the tibia for fixing, and the second fixing screw (6) penetrates through the second fixing hole (4) to extend into the tibia for fixing.
4. An inwardly pressurized fixation bone plate for treating a bicondylar tibial plateau fracture as claimed in claim 3, wherein: the first fixing screws (5) and the second fixing screws (6) are obliquely and alternately distributed, so that mutual interference between the first fixing screws and the second fixing screws is avoided.
5. An inwardly pressurized fixation bone plate for treating a bicondylar tibial plateau fracture as claimed in claim 1, wherein: the pressurizing bolt (7) penetrates through the middle of the upper end of the pressurizing bolt, the first fixing hole (3) and the second fixing hole (4) penetrate through the tibia of the patient, and the front end and the rear end of the pressurizing bolt (7) are respectively provided with a bolt head assembly (8) and a bolt tail assembly (9).
6. An inwardly pressurized fixation bone plate for treating a bicondylar tibial plateau fracture as claimed in claim 5, wherein: the rear ends of the bolt head assembly (8) and the bolt tail assembly (9) are both in a truncated cone-shaped structure, so that the bolt head assembly (8) and the bolt tail assembly (9) can be conveniently embedded into the first fixing hole (3) and the second fixing hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322045405.4U CN220938140U (en) | 2023-08-01 | 2023-08-01 | Inward pressurizing fixed bone fracture plate for treating bicondylar tibial plateau fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322045405.4U CN220938140U (en) | 2023-08-01 | 2023-08-01 | Inward pressurizing fixed bone fracture plate for treating bicondylar tibial plateau fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220938140U true CN220938140U (en) | 2024-05-14 |
Family
ID=90974213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322045405.4U Active CN220938140U (en) | 2023-08-01 | 2023-08-01 | Inward pressurizing fixed bone fracture plate for treating bicondylar tibial plateau fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220938140U (en) |
-
2023
- 2023-08-01 CN CN202322045405.4U patent/CN220938140U/en active Active
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