CN113197633A - Posterior ankle bone fracture plate - Google Patents
Posterior ankle bone fracture plate Download PDFInfo
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- CN113197633A CN113197633A CN202110439237.XA CN202110439237A CN113197633A CN 113197633 A CN113197633 A CN 113197633A CN 202110439237 A CN202110439237 A CN 202110439237A CN 113197633 A CN113197633 A CN 113197633A
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- bone fracture
- fracture plate
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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
- A61B17/8061—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, 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 a posterior ankle bone fracture plate which comprises a bone fracture plate body, wherein the bone fracture plate body is divided into a near-end bone fracture plate and a far-end bone fracture plate, the far-end bone fracture plate is of an arc structure and extends towards curves on two sides, the near-end bone fracture plate and the far-end bone fracture plate are in smooth transition connection, a near-end Kirschner wire hole, a near-end locking hole, a sliding hole, a near-end locking hole I and a sliding hole I are sequentially formed in the middle of the near-end bone fracture plate from top to bottom, a near-end Kirschner wire hole I is formed between adjacent near-end locking holes I, an upper far-end locking hole is formed in the middle of the upper end of the far-end bone fracture plate, a far-end locking hole is formed in the periphery of the far-end bone fracture plate, a far-end Kirschner wire hole is formed between adjacent far-end locking holes, and the locking hole angles of the far-end locking holes are in the tangent direction of the highest point of the far-end tibia far-end joint surface in an ankle joint. The far end of the bone fracture plate extends to the curved surfaces at two sides, and is provided with six locking holes which are relatively uniformly distributed, so that the bone fracture plate can be suitable for simple and complex fracture of the posterior ankle.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a posterior ankle bone fracture plate.
Background
The fracture of the posterior lip of the tibia is the fracture of the posterior part of the distal articular surface of the tibia, and is clinically called ankle fracture of the posterior ankle of the ankle joint. Clinically, most of fractures of the posterior lip of the tibia are caused by violent sprain of the ankle joint. The treatment scheme of the ankle fracture needs to be formulated according to the size of the fracture block of the patient. If the fracture piece is involved in damaging the far-end joint surface of the tibia beyond 1/3, the patient needs to perform surgical treatment to fix the ankle joint in time so as to avoid dislocation of the ankle joint. The fixing scheme of the rear ankle fracture is different in clinic, no standard treatment scheme exists, and the currently used 1/3 tubular bone fracture plate, T-shaped plate, rear ankle supporting bone fracture plate and micro locking bone fracture plate can not fix the comminuted fracture of the rear ankle; although the novel posterior ankle anatomical locking bone plate can fix the comminuted fracture of the posterior ankle, the novel posterior ankle anatomical locking bone plate has the problems of insufficient fixing strength, easiness in putting screws into joint cavities and the like.
Disclosure of Invention
The invention aims to provide a posterior ankle bone plate to solve the problems in the background art. In order to achieve the purpose, the invention provides the following technical scheme: a posterior ankle bone fracture plate, which comprises a bone fracture plate body, wherein the whole bone fracture plate body is of a T-shaped structure, the bone fracture plate body is divided into a near-end bone fracture plate and a far-end bone fracture plate, the far-end bone fracture plate is of an arc-shaped structure and extends towards curves at two sides, the near-end bone fracture plate and the far-end bone fracture plate are connected in a smooth transition mode and are of an integral structure, a near-end Kirschner wire hole, a near-end locking hole, a sliding hole, a near-end locking hole I and a sliding hole I are sequentially formed in the middle of the near-end bone fracture plate from top to bottom, a near-end Kirschner wire hole I is formed between adjacent near-end locking holes I, the middle part of the upper end of the far-end bone fracture plate is provided with a far-end upper locking hole, the periphery of the upper edge of the far-end bone fracture plate is provided with a plurality of far-end locking holes, a far-end Kirschner wire hole is arranged between adjacent far-end locking holes, the locking hole angle directions of the distal locking hole and the locking hole on the distal end are parallel to the tangent line of the highest point of the ankle joint surface.
Preferably, the back surface of the near-end bone plate is provided with grooves, and the grooves are positioned at two sides of the near-end bone plate.
Preferably, the end surface of the proximal bone plate is of a bevel structure.
Preferably, a lead groove is formed in the edge of the back face of the far-end bone fracture plate and is communicated with a far-end Kirschner wire hole in the periphery of the far-end bone fracture plate.
Preferably, the groove is of a semicircular structure.
Preferably, the number of the proximal locking holes I is 4, and the proximal locking holes I are positioned between the sliding holes I and are distributed at equal intervals from top to bottom.
Preferably, the number of the distal locking holes is 5, and the distal locking holes are uniformly distributed along the distal bone plate.
Preferably, the edge of the bone plate body is of a smooth curved surface structure, and the bottom of the far-end bone plate body is of a linear structure.
The invention has the technical effects and advantages that: the width and the curvature of the device are designed according to the anatomical form of the surface of the posterior ankle, and the device is an anatomical locking plate, can be tightly attached to the bone surface without shaping in the operation, and can not reduce the strength of the bone fracture plate and prolong the operation time; the adjacent locking holes of the bone fracture plate are spaced at a certain distance, so that the bone fracture plate has strong integrity and high strength, and the risk of failure of internal fixation after operation is reduced; the far end of the bone fracture plate extends to the curved surfaces at the two sides, and is provided with six locking holes which are relatively uniformly distributed, so that the bone fracture plate can be suitable for simple and complex fracture of the posterior ankle; the bone fracture plate is also thinned at the ankle joint, so that the friction of tendons at the rear side of the tibia can be reduced, and the irritation to soft tissues is reduced; a semicircular groove is formed between the locking holes, so that the compression on periosteum is reduced, and the blood circulation at the fracture end is protected; the near end of the bone fracture plate is designed to be an inclined surface, so that the bone fracture plate can be inserted conveniently, the operation of an operator is facilitated, and the irritation of soft tissues is reduced; the edge of the near end of the bone fracture plate is designed into a curved surface, so that friction with soft tissues is reduced, and discomfort after operation is reduced; the bottom of the far-end bone fracture plate of the bone fracture plate is contacted with the lip part of the rear ankle, and the straight line design is adopted to restore the fracture of the joint surface of the rear ankle, stabilize the lip part of the rear ankle and provide anatomical reduction; the bone fracture plate is provided with two sliding holes and can be used for sliding adjustment of the bone fracture plate, so that the bone fracture plate is tightly attached to the bone surface, and the ankle joint is favorably dissected and reset; the edge of the back of the far-end bone fracture plate is provided with a lead groove, so that a suture can conveniently pass through, and a small bone block can be conveniently sutured in the operation or a joint capsule can be conveniently repaired; the two ends of the bone fracture plate are provided with Kirschner wire holes which can be used for temporary fixation; the Kirschner wire hole at the lowest end of the far-end bone fracture plate can help an operator to judge whether the bone fracture plate is placed at a proper position and whether the far-end locking screw enters the joint cavity; six fixed locking holes of angle that relatively evenly distributed on the distal end coaptation board, and these locking hole directions are parallel with the tangent line of ankle joint face peak, the art person need not to consider the direction of any locking screw, only need select the hole that needs to twist locking screw from six locking holes, alright directly twist locking screw according to the angle that the locking hole has been fixed, save operation time, and the mistake is twisted the probability reduction in articular cavity with locking screw, it is not high to requirements such as art person's experience and operation skill, and can reach the operation effect that the homogeneity is stable, be convenient for the doctor at different levels of hospitals operate at different levels, be favorable to the comprehensive popularization of product. .
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a rear view of the present invention;
fig. 3 is a side view of the present invention.
In the figure: the bone fracture plate comprises a bone fracture plate body 1, a proximal bone fracture plate 2, a distal bone fracture plate 3, a proximal Kirschner wire hole 4, a proximal locking hole 5, a sliding hole 6, a proximal locking hole I, a sliding hole I, a proximal Kirschner wire hole I, a distal locking hole 10, a distal locking hole 11, a distal Kirschner wire hole 12, a lead wire groove 13, a groove 14, an arc line 15 and a slope surface 16.
Detailed Description
In the description of the present invention, it should be noted that unless otherwise specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
Example 1
The posterior ankle bone fracture plate shown in fig. 1-3 comprises a bone fracture plate body 1, wherein the whole bone fracture plate body 1 is of a T-shaped structure, the bone fracture plate body 1 is divided into a near-end bone fracture plate 2 and a far-end bone fracture plate 3, the far-end bone fracture plate 3 is of an arc-shaped structure and extends towards curves at two sides, the near-end bone fracture plate 2 and the far-end bone fracture plate 3 are in smooth transition connection and are of an integral structure, the middle part of the near-end bone fracture plate 2 is sequentially provided with a near-end Kirschner wire hole 4, a near-end locking hole 5, a sliding hole 6, a near-end locking hole I7 and a sliding hole I8 from top to bottom, a near-end Kirschner wire hole I9 is arranged between adjacent near-end locking holes I7, the near-end Kirschner wire hole 4 can be used for temporary fixation, the sliding hole 6 is used for temporarily pressurizing and fixing the near end of the bone fracture plate through a cortical bone screw, so that the bone surface is attached to the near-end of the bone fracture plate, and is also used for adjusting the position of the bone fracture plate, the insertion of the proximal kirschner wire hole I9 into the kirschner wire can be used for temporary fixation of special-shaped fracture or the vicinity of fracture line, the near-end locking hole I7 is screwed into a locking screw for fixing the bone fracture plate and the fracture end, the sliding hole I8 is screwed into a cortical screw, is used for accurately adjusting the position of the bone fracture plate and simultaneously pressurizing to ensure that the bone surface is attached to the far end of the bone fracture plate, the middle part of the upper end of the far end bone fracture plate 3 is provided with a far end upper locking hole 10, a plurality of far-end locking holes 11 are arranged on the far-end bone fracture plate 3 along the periphery, far-end Kirschner wire holes 12 are arranged between the adjacent far-end locking holes 11, the distal Kirschner wire hole 12 can be inserted with a Kirschner wire according to the operation requirement for temporary fixation, reduction of forceps jaws at the fracture end, suture of small bone blocks and the like, and can also be inserted with the Kirschner wire to penetrate through double layers of cortex, so as to judge whether the bone fracture plate is placed at a proper position and whether a locking screw enters a joint cavity; the locking hole 10 on the far end and the locking hole 11 on the far end are used for screwing in locking screws to fix the fracture of the ankle, and the radian of the rear side surface of the ankle joint of each person is approximate no matter how tall and slim the ankle joint is, so the locking hole angles of the locking hole 11 on the far end and the locking hole 10 on the far end are parallel to the tangent line of the highest point of the ankle joint surface along the direction, the length of the bone fracture plate body 1 is 4-9cm, the width is 1-3.5cm, the thickest part is 2-2.5mm, the thinnest part is 1.5-2mm, the bending part of the junction of the near end and the far end of the T-shaped structure is about 2mm, and the thickness of the far end part is about 1.5-2mm uniformly.
Example 2
The posterior ankle bone plate shown in fig. 1-3 comprises a bone plate body 1, wherein the whole bone plate body 1 is of a T-shaped structure, the edge of the bone plate body is of a smooth curved surface structure, friction between the bone plate body and soft tissue is reduced, discomfort after operation is reduced, the bone plate body 1 is divided into a near-end bone plate 2 and a far-end bone plate 3, the far-end bone plate 3 is of an arc-shaped structure and extends towards curves on two sides, the near-end bone plate 2 and the far-end bone plate 3 are connected in a smooth transition mode and are of an integral structure, the upper end surface of the near-end bone plate 2 is of a bevel structure 16 so as to facilitate insertion of the bone plate, operation of a person is facilitated, soft tissue irritation is reduced, a near-end Kirschner wire hole 4, a near-end locking hole 5, a sliding hole 6, a near-end locking hole I7 and a sliding hole I8 are sequentially formed in the middle of the near-end bone plate 2 from top to bottom, a near-end Kirschner wire hole I9 is formed between adjacent near-end locking holes I7, the near-end Kirschner wire holes 4 can be used for temporary fixation, the sliding holes 6 are used for temporarily pressurizing and fixing the near end of the bone fracture plate through cortical bone screws to ensure that the bone surface is jointed with the near end of the bone fracture plate and the position of the bone fracture plate is also adjusted, the near-end Kirschner wire holes I9 are inserted into the Kirschner wires and can be used for temporarily fixing special-shaped fractures or the positions near fracture lines, 4 near-end locking holes I7 are arranged between the sliding holes 6 and the sliding holes I8 and are distributed at equal intervals from top to bottom, locking screws can be screwed in the near-end Kirschner wire holes I8 to be used for fixing the bone fracture plate and the fracture ends, the cortical bone screws are screwed in the middle of the sliding holes I8 to accurately adjust the position of the bone fracture plate and pressurize simultaneously to ensure that the bone surface is jointed with the far end of the bone fracture plate, semicircular grooves 14 are formed in the back surface of the near-end bone fracture plate 2, and are positioned at two sides of the near-end bone fracture plate 2, so as to reduce the compression to periosteum, protecting the blood circulation of a fracture end, wherein 1 far-end upper locking hole 10 is formed in the middle of the upper end of a far-end bone fracture plate 3, 5 far-end locking holes 11 are formed in the periphery of the far-end bone fracture plate 3 and are uniformly distributed along the far-end bone fracture plate 3, far-end Kirschner wire holes 12 are formed between every two adjacent far-end locking holes 11, 5 Kirschner wire holes 12 are formed in the far-end Kirschner wire holes 12 as shown in the figure, Kirschner wires can be inserted into the far-end Kirschner wire holes 12 on two sides of the middle of the far-end bone fracture plate 3 according to the operation requirement for temporary fixation, fracture end clamp reduction, small bone block suture and the like, and 2 far-end Kirschner wire holes 12 in the bottom of the far-end bone fracture plate 3 can be inserted into the Kirschner wires to penetrate through a double-layer cortex, so that whether the bone fracture plate is placed at a proper position and whether a locking screw enters a joint cavity or not is judged; the locking hole 10 on the far end and the locking hole 11 on the far end are used for screwing in locking screws to fix the rear ankle fracture, and no matter how tall and thin, the radian of the rear side surface of each ankle joint of each person is approximate, so the angle directions of the locking holes of the locking hole 11 on the far end and the locking hole 10 on the far end are parallel to the tangent line of the highest point of the ankle joint surface, the edge of the back surface of the far end bone fracture plate 3 is provided with a lead wire groove 13, the lead wire groove 13 is communicated with the far end Kirschner wire hole 12 of the far end bone fracture plate 3 along the periphery to facilitate the passing of a suture, small bone blocks or repair joint capsules are sutured in the operation, and the bottom of the far end bone fracture plate 3 is a linear structure 15 so as to repair the rear ankle joint surface fracture and stabilize the lip part of the rear ankle to provide anatomical reduction.
The process flow and the working principle of the invention are as follows: firstly dissecting the near end of the fracture end, then placing the bone plate body 1 on the surface of the posterior ankle bone according to the dissecting shape, then inserting a Kirschner wire into any one of 2 distal Kirschner wire holes 12 at the bottom of the distal bone plate 3, performing perspective, adjusting the bone plate body 1 at a proper position, preventing a locking screw from entering a joint cavity, screwing a cancellous bone screw into a distal locking hole 11 in the middle of the bottom of the distal bone plate 3 after determining the upper position and the lower position of the bone plate body 1, penetrating through a double-layer cortex, pressurizing and fixing to enable the bone plate to be attached to the bone surface, and then removing the Kirschner wire in the distal Kirschner wire holes 12; adjusting a near-end bone fracture plate 2 to be arranged at the middle position of the inner side and the outer side of the tibia, inserting a Kirschner wire into a near-end Kirschner wire hole 4, penetrating a single-layer cortex, performing perspective observation, screwing a cortical bone screw into a sliding hole 6 after determining that the bone fracture plate is arranged at the middle position of the inner side and the outer side of the tibia, penetrating the double-layer cortex, pulling out the Kirschner wire in the near-end Kirschner wire hole 4 before the cortical bone screw is not screwed, and screwing the cortical bone screw while correcting displacement; after the position of the bone plate is determined, the cortical bone screw is screwed in the sliding hole I8 to penetrate through the double-layer cortex, the cortical bone screw in the sliding hole 6 is rotated anticlockwise for half a circle before the cortical bone screw is screwed in, so that the fracture end is prevented from being separated and displaced due to middle pressurization when the far end and the near end of the bone plate are absolutely fixed, and the cortical bone screw in the sliding hole 6 is screwed down after the cortical bone screw in the sliding hole I8 is screwed down; performing fluoroscopy and confirming the anatomical reduction of the ankle joint surface; then according to the fracture situation, locking screws are screwed into the locking holes at two ends of the fracture line, and it is to be noted that the holes which are preferentially locked are a near-end locking hole 5 (the most near end of the bone plate, the bone plate is attached to the bone surface and replaces the action of cortical screws in the sliding holes 6), a far-end locking hole 11 at the bottom of the far-end bone plate 3 (the most far end of the bone plate, the bone plate is attached to the bone surface and is close to the ankle joint to support the ankle joint surface to form a bamboo raft effect), a near-end locking hole I7 (the curved design part of the bone plate, the bone surface is attached to the bone plate and replaces the action of cortical screws in the sliding holes I8) and finally all Kirschner pins, cortical screws and cancellous screws are removed, and the two ends of the fracture line are maintained to be finally fixed by using the appropriate number of locking screws.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a back ankle coaptation board, includes the coaptation board body, its characterized in that: the whole T-shaped structure that is of the bone fracture plate body, the bone fracture plate body is divided into a near-end bone fracture plate and a far-end bone fracture plate, the far-end bone fracture plate is of an arc structure and extends towards curves on two sides, the near-end bone fracture plate and the far-end bone fracture plate are connected in a smooth transition mode and are of an integrated structure, a near-end Kirschner wire hole, a near-end locking hole, a sliding hole, a near-end locking hole I and a sliding hole I are sequentially formed in the middle of the near-end bone fracture plate from top to bottom, a near-end Kirschner wire hole I is formed between adjacent near-end locking holes I, an upper far-end locking hole is formed in the middle of the upper end of the far-end bone fracture plate, a plurality of far-end locking holes are formed in the far-end bone fracture plate along the periphery, a far-end Kirschner wire hole is formed between adjacent far-end locking holes, and the locking hole angles of the far-end upper locking holes are along the tangent direction of the highest point of the far-end tibia far-end joint surface in the ankle joint.
2. A posterior ankle bone plate according to claim 1, wherein: the back of the near-end bone fracture plate is provided with grooves which are positioned at two sides of the near-end bone fracture plate.
3. A posterior ankle bone plate according to claim 1, wherein: the end face of the near-end bone fracture plate is of an inclined plane structure.
4. A posterior ankle bone plate according to claim 1, wherein: and a lead groove is formed in the edge of the back face of the far-end bone fracture plate and is communicated with a far-end Kirschner wire hole on the periphery of the far-end bone fracture plate.
5. A posterior ankle bone plate according to claim 2, wherein: the groove is of a semicircular structure.
6. A posterior ankle bone plate according to claim 1, wherein: the number of the near-end locking holes I is 4, the near-end locking holes I are located between the sliding holes and the sliding holes I, and the near-end locking holes I are distributed at equal intervals from top to bottom.
7. A posterior ankle bone plate according to claim 1, wherein: the number of the far-end locking holes is 5, and the far-end locking holes are uniformly distributed along the far-end bone fracture plate.
8. A posterior ankle bone plate according to claim 1, wherein: the edge of the bone fracture plate body is of a smooth curved surface structure, and the bottom of the far-end bone fracture plate body is of a linear structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110439237.XA CN113197633A (en) | 2021-04-22 | 2021-04-22 | Posterior ankle bone fracture plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110439237.XA CN113197633A (en) | 2021-04-22 | 2021-04-22 | Posterior ankle bone fracture plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113197633A true CN113197633A (en) | 2021-08-03 |
Family
ID=77028009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110439237.XA Withdrawn CN113197633A (en) | 2021-04-22 | 2021-04-22 | Posterior ankle bone fracture plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113197633A (en) |
-
2021
- 2021-04-22 CN CN202110439237.XA patent/CN113197633A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210803 |
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| WW01 | Invention patent application withdrawn after publication |