CN113197646A - Tibia far-end inner-side bone fracture plate - Google Patents
Tibia far-end inner-side bone fracture plate Download PDFInfo
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- CN113197646A CN113197646A CN202110611943.8A CN202110611943A CN113197646A CN 113197646 A CN113197646 A CN 113197646A CN 202110611943 A CN202110611943 A CN 202110611943A CN 113197646 A CN113197646 A CN 113197646A
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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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- Orthopedic Medicine & Surgery (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a tibia far-end inner side bone fracture plate which comprises a bone fracture plate, wherein the bone fracture plate is divided into a bone fracture plate near end and a bone fracture plate far end, two sides of the bone fracture plate far end are bent inwards, the bone fracture plate near end is sequentially provided with a near-end Kirschner wire hole, a near-end locking hole, a near-end sliding hole, a near-end lower locking hole and a near-end sliding hole I from right to left, a plurality of near-end lower locking holes are arranged, a near-end lower Kirschner wire hole is arranged between adjacent near-end lower locking holes, the bone fracture plate far end is sequentially provided with a far-end locking hole, a far-end Kirschner wire hole, a far-end upper locking hole, a far-end upper Kirschner wire hole and a far-end lower locking hole from right to left, the far-end lower locking holes are distributed in an annular structure, a far-end middle locking hole is arranged in the middle of the annular structure, and a far-end lower locking hole is arranged on the periphery of the far-end lower locking hole. The right end of the near end of the bone fracture plate is designed to be an inclined plane, so that the bone fracture plate can be conveniently inserted, an operator can conveniently operate the bone fracture plate, and soft tissue injury is reduced.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a tibia far-end inner side bone fracture plate.
Background
The fracture of the far end of the tibia refers to that the fracture line is positioned at the far end of the tibia, and is influenced by too few soft tissues at the far end of the tibia of an organism and blood circulation disorder, so that complications such as soft tissue necrosis, healing delay, infection and the like easily occur, and the prognosis is poor. The fracture of the far end of the tibia is a difficult point for clinical fracture treatment, and because the part is lack of muscle coverage, the soft tissue is also thin, and complications such as soft tissue necrosis, fracture nonunion, infection and the like are easy to occur when the fracture occurs. Currently, internal fixation is often used to treat such fractures. However, there are a number of problems with existing bone plates, such as: when the incision is reset, the bone fracture plate can further aggravate local soft tissue injury and increase the risk of postoperative complications; the fixation strength is insufficient, and the fracture end is easy to shift after the load bearing; the bone fracture plate has large volume, damages soft tissues and blood circulation too much and influences fracture healing; the far end and the near end of the bone fracture plate are easy to tilt, and the soft tissue is easy to irritate, so that the postoperative discomfort of a patient is caused. Therefore, a new tibia far-end medial bone plate is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a tibia far-end inner side bone fracture plate to solve the problems mentioned in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: the inner side bone fracture plate of the far end of the tibia comprises a bone fracture plate, wherein the bone fracture plate accords with the anatomical morphology characteristics of the inner side of the far end of the tibia, the bone fracture plate is divided into a near end of the bone fracture plate and a far end of the bone fracture plate, the far end of the bone fracture plate integrally bends upwards relative to the near end of the bone fracture plate, the far end of the bone fracture plate is connected with the near end of the bone fracture plate in a smooth transition mode and is of an integral structure, two sides of the far end of the bone fracture plate bend inwards and is of a cambered surface structure, the near end of the bone fracture plate is provided with a near-end Kirschner wire hole, a near-end locking hole, a near-end sliding hole, a near-end lower locking hole and a near-end sliding hole I in sequence from right to left, the near-end lower locking holes are provided in plurality, near-end lower Kirschner wire holes are provided between adjacent lower locking holes in sequence, the far end of the bone fracture plate is provided with a far end locking hole, a far end Kirschner wire hole, a far end lower locking hole is provided with 5 locking holes from right to left in sequence, the locking device is distributed in an annular structure, a far-end middle locking hole is formed in the middle of the annular structure, far-end lower Kirschner wire holes are formed in the periphery of the far-end lower locking hole, and the far-end lower Kirschner wire holes are distributed along the edge of the far end of the bone fracture plate.
Preferably, the back of the bone fracture plate is provided with arc-shaped grooves, and the arc-shaped grooves are positioned on two sides of the Kirschner wire hole under the near end, two sides of two ends of the near-end sliding hole and two sides of the right end of the near-end sliding hole I.
Preferably, a lead groove is formed between the edge of the back face of the far end of the bone plate and the Kirschner wire hole at the far end, and the lead groove is communicated with the Kirschner wire hole at the far end.
Preferably, the proximal lower locking holes are provided with 9 and are distributed at equal intervals.
Preferably, the diameters of the proximal locking hole, the proximal lower locking hole, the distal upper locking hole and the distal lower locking hole are 3.5mm, and the diameters of the proximal sliding hole and the proximal sliding hole I corresponding to the screw are 3.5 mm.
Preferably, the right end of the proximal end of the bone plate is of a bevel structure.
Preferably, the bone plate has a thickness of 0.15-0.4cm, a length of 15-25cm and a width of 1.2-2.0 cm.
The invention has the technical effects and advantages that: the right end of the near end of the bone fracture plate is designed to be an inclined plane, so that the bone fracture plate can be conveniently inserted, an operator can conveniently operate the bone fracture plate, and soft tissue injury is reduced; the near end of the bone fracture plate is provided with a near-end Kirschner wire hole which can be used for temporarily fixing the bone fracture plate and is convenient for adjusting the position of the near end of the bone fracture plate; the distal end of the bone fracture plate is provided with a distal lower Kirschner wire hole for temporarily fixing the bone fracture plate and pre-judging whether a screw enters an ankle cavity or not; the back of the bone fracture plate is provided with an arc-shaped groove, so that the compression on periosteum is reduced, and the blood circulation at the fracture end is protected; a lead groove is arranged between the edge of the back surface of the far end of the bone fracture plate and the Kirschner wire hole at the far end, so that a suture can conveniently pass through, and the joint capsule and the ligament can be sutured and repaired in the operation; the proximal end of the bone fracture plate is not provided with a combination hole, the locking hole is adopted, the tail part of the locking screw is tightly combined with the locking hole by 360 degrees, the holding force of the locking screw at the proximal end of the bone fracture plate is increased, the required fixing strength is achieved by using the minimum number of locking screws, the principle of fixing a long plate and few screws in the fracture is met, the bone fracture plate can be relatively thinner due to the increase of the fixing strength, the soft tissue is stimulated less, and the volume effect is reduced; the near end of the bone fracture plate is provided with a combined structure in which a near-end Kirschner wire hole, a near-end locking hole and a near-end sliding hole are sequentially arranged, after the Kirschner wire is used for determining the position, a cortical bone screw is screwed into the near-end sliding hole at the near end of the bone fracture plate for pressurization and fixation, and finally a locking screw is screwed into the near-end locking hole at the near end of the bone fracture plate, so that the near end of the bone fracture plate is ensured to; the distal end of the bone fracture plate is provided with a plurality of right locking holes with the diameter of 3.5mm, the locking holes are tightly combined with the locking screws, the holding force of the locking screws on the fracture end is increased, the fracture end is prevented from shifting after load bearing, and the early functional exercise of a patient and the reduction of postoperative complications are facilitated; the Kirschner wire holes are formed among the locking holes of the bone fracture plate, so that the holding force of the point type reduction forceps during reduction and fixation can be increased, and the Kirschner wire holes can be used for temporary fixation and temporary suture fixation of small fracture blocks; the near end of the bone fracture plate is provided with a near-end sliding hole and a near-end sliding hole I, the two sliding holes are matched with each other, so that the position of the bone fracture plate can be better adjusted, the fracture end is dissected and reset, the fracture end is prevented from being separated and displaced due to middle pressurization when the far end of the bone fracture plate and the near end of the bone fracture plate are absolutely fixed, the fault tolerance rate is increased, and the operation efficiency and the repeatability are improved.
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;
fig. 4 is a schematic diagram of the operation of the present invention.
In the figure: 1-bone plate, 2-bone plate near end, 3-bone plate far end, 4-near end Kirschner wire hole, 5-near end locking hole, 6-near end sliding hole, 7-near end lower locking hole, 8-near end sliding hole I, 9-near end lower Kirschner wire hole, 10-far end locking hole, 11-far end Kirschner wire hole, 12-far end upper locking hole, 13-far end upper Kirschner wire hole, 14-far end lower locking hole, 15-far end middle locking hole, 16-far end lower Kirschner wire hole, 17-inclined plane structure, 18-arc groove and 19-lead wire groove.
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 tibia far-end inner side bone fracture plate shown in fig. 1-3 comprises a bone fracture plate 1, wherein the bone fracture plate 1 conforms to the anatomical morphology characteristics of the tibia far-end inner side, the thickness of the bone fracture plate 1 is 0.15-0.4cm, the length of the bone fracture plate 1 is 15-25cm, the width of the bone fracture plate 1 is 1.2-2.0cm, the bone fracture plate 1 is divided into a bone fracture plate near end 2 and a bone fracture plate far end 3, the bone fracture plate near end 2 is far away from an ankle joint, the bone fracture plate far end 3 is close to the ankle joint, the bone fracture plate far end 3 is integrally bent upwards relative to the bone fracture plate near end 2, the bone fracture plate far end and the bone fracture plate near end are connected in a smooth transition mode, the bone fracture plate is of an integrated structure, two sides of the far end 3 are bent inwards and are of an arc surface structure, a near-end kirschner pin hole 4, a near-end locking hole 5, a near-end sliding hole 6, a near-end lower locking hole 7 and a near-end sliding hole I8 are sequentially formed in the near end, a plurality of near-end lower locking holes 7 are formed, near-end lower locking holes 9 are formed between adjacent near-end lower locking holes 7, the far end 3 of the bone plate is sequentially provided with a far-end locking hole 10, a far-end Kirschner wire hole 11, a far-end upper locking hole 12, a far-end upper Kirschner wire hole 13 and a far-end lower locking hole 14 from right to left, the number of the far-end lower locking holes 14 is 5, the far-end lower locking holes are distributed in an annular structure, the middle of the annular structure is provided with a far-end middle locking hole 15, the periphery of the far-end lower locking hole 14 is provided with a far-end lower Kirschner wire hole 16, and the far-end lower Kirschner wire holes 16 are distributed along the edge of the far end 3.
Example 2
The tibia far-end inner side bone fracture plate shown in fig. 1-3 comprises a bone fracture plate 1, wherein the bone fracture plate 1 conforms to the anatomical morphology characteristics of the tibia far-end inner side, the thickness of the bone fracture plate 1 is 0.15-0.4cm, the length of the bone fracture plate 1 is 15-25cm, the width of the bone fracture plate 1 is 1.2-2.0cm, the bone fracture plate 1 is divided into a bone fracture plate near end 2 and a bone fracture plate far end 3, the bone fracture plate near end 2 is far away from an ankle joint, the bone fracture plate far end 3 is close to the ankle joint, the bone fracture plate far end 3 is integrally bent upwards relative to the bone fracture plate near end 2, the bone fracture plate far end and the bone fracture plate near end 2 are connected in a smooth transition mode, the bone fracture plate 1 is of an integral structure and higher in strength, two sides of the bone fracture plate far end 3 are bent inwards and are of a cambered surface structure, the bone fracture plate near end 2 is provided with a near Kirschner wire hole 4, a near end locking hole 5, a near end sliding hole 6, a near end lower locking hole 7 and a near end sliding hole I8 in sequence from right to left, the near-end lower locking holes 7 are provided with 9 and are distributed at equal intervals, near-end lower Kirschner wire holes 9 are formed between the adjacent near-end lower locking holes 7, the near-end lower Kirschner wire holes 9 can increase the holding force when the point-type reduction forceps are reset and fixed, temporary fixation and temporary suture fixation of small bone fracture blocks can be performed by utilizing the Kirschner wire holes, the near-end Kirschner wire holes 4 are positioned on a slope structure 17, the far end 3 of the bone fracture plate is provided with a far-end locking hole 10, a far-end Kirschner wire hole 11, a far-end upper locking hole 12, a far-end upper Kirschner wire hole 13 and a far-end lower locking hole 14 from right to left in sequence, the far-end lower locking holes 14 are provided with 5 and are distributed in an annular structure, the middle part of the annular structure is provided with a far-end middle locking hole 15, the periphery of the far-end lower locking hole 14 is provided with a far-end lower Kirschner wire holes 16, and the far-end lower Kirschner wire holes 16 are distributed along the edge of the far end 3, can be inserted into a kirschner wire according to the operation requirement for temporary fixation, reduction of forceps clamps at the fracture end, suture of small bone blocks and the like, a lead groove 19 is arranged between the edge of the back surface of the far end 3 of the bone plate and the lower Kirschner wire hole 16 of the far end, the lead groove 19 is communicated with the lower Kirschner wire hole 16 at the far end, so that a suture can conveniently pass through, and the joint capsule and the ligament can be sutured and repaired in the operation, the back of the bone fracture plate 1 is provided with arc-shaped grooves 18, the arc-shaped grooves 18 are positioned at two sides of the lower Kirschner wire hole 9 at the near end, two sides of two ends of the sliding hole 6 at the near end and two sides of the right end of the sliding hole I8 at the near end, the proximal locking hole 5, the proximal lower locking hole 7, the distal locking hole 10, the distal upper locking hole 12 and the distal lower locking hole 14 have a diameter of 3.5mm, the diameters of the near-end sliding hole 6 and the near-end sliding hole I8 corresponding to the screws are 3.5mm, the cortical bone screw can be screwed in for pressurization and fixation, so that the bone surface is attached to the bone fracture plate 1, and the loss of anatomical reduction of the fracture end is prevented.
The process flow and the working principle of the invention are as follows: a specific fixing mode of a bone fracture plate on the inner side of the far end of a tibia is shown in figure 4, firstly, the fracture end of the coaptation is dissected, the bone fracture plate is placed on the bone surface on the inner side of the far end of the tibia according to the dissecting shape, then a Kirschner wire is inserted into a Kirschner wire hole 16 at the far end on the leftmost side, a single-layer cortical bone is penetrated, perspective is conducted, the bone fracture plate 1 is adjusted to be in a proper position, meanwhile, the Kirschner wire in the Kirschner wire hole 16 at the far end on the leftmost side is prevented from entering an ankle joint cavity, after the position of the far end 3 of the bone fracture plate is determined to be satisfactory, a cortical bone screw is screwed into a far end lower locking hole 14 at the leftmost end, the single-layer cortical bone is penetrated, pressurized and fixed, the far end 3 of the bone fracture plate is attached to the bone surface, and then the Kirschner wire in the Kirschner wire hole 16 at the far end on the leftmost side is pulled out; adjusting the proximal end 2 of the bone fracture plate to be arranged at the middle position of the tibia in the front-back direction, inserting a kirschner wire into a proximal kirschner wire hole 4, penetrating a single-layer cortical bone, performing perspective, screwing a cortical bone screw into a proximal end sliding hole 6 after determining that the proximal end 2 of the bone fracture plate is arranged at the middle position of the tibia in the front-back direction, penetrating a double-layer cortex, pulling out the kirschner wire in the proximal kirschner wire hole 4 before the cortical bone screw in the proximal end sliding hole 6 is screwed, and screwing the cortical bone screw in the proximal end sliding hole 6 while correcting fracture end displacement so as to enable the distal fracture of the tibia to achieve anatomical reduction; after the front and back positions of the bone fracture plate 1 are determined to be satisfied, the cortical bone screws are screwed in the near-end sliding holes I8 to penetrate through the double-layer cortex, the cortical bone screws in the near-end sliding holes 6 are rotated anticlockwise for 1-2 circles before the cortical bone screws in the near-end sliding holes I8 are screwed, so that the fracture ends are prevented from being separated and displaced due to middle pressurization when the near end 2 of the bone fracture plate and the far end 3 of the bone fracture plate are absolutely fixed, the cortical bone screws in the near-end sliding holes 6 are screwed after the cortical bone screws in the near-end sliding holes I8 are screwed, and the anatomical reduction of the far-end fracture of the tibia is confirmed through perspective; then according to the fracture situation, locking screws are screwed into the locking holes at two ends of the fracture line, what needs to be described is that the preferentially locked nail holes are a near-end locking hole 5 (enabling a near-end 2 of the bone fracture plate to be attached to the bone surface), a near-end lower locking hole 7 (enabling the bone fracture plate 1 to be attached to the bone surface) adjacent to a near-end sliding hole I8, a far-end lower locking hole 14 at the leftmost end (enabling a far-end 3 of the bone fracture plate to be attached to the bone surface), then according to the fracture situation, locking screws with proper quantity and positions are screwed into the locking holes at two ends of the fracture line, so that the far-end fracture of the tibia is fixed, finally, all Kirschner pins and cortical screws are removed, and the cortical screws in the far-end lower locking holes 14 at the leftmost end are replaced by the locking screws; the final fixation is maintained at both ends of the fracture line using the appropriate number and location 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 (7)
1. The utility model provides an inboard coaptation board of shin bone distal end, includes the coaptation board, its characterized in that: the bone fracture plate is characterized by being in accordance with the anatomical form characteristics of the inner side of the far end of the tibia, the bone fracture plate is divided into a near end of the bone fracture plate and a far end of the bone fracture plate, the far end of the bone fracture plate is integrally bent upwards relative to the near end of the bone fracture plate, the far end of the bone fracture plate is connected with the near end of the bone fracture plate in a smooth transition mode and is of an integral structure, two sides of the far end of the bone fracture plate are bent inwards and are of an arc surface structure, a near-end Kirschner wire hole, a near-end locking hole, a near-end sliding hole, a near-end lower locking hole and a near-end sliding hole I are sequentially formed in the near end of the bone fracture plate from right to left, a plurality of near-end lower locking holes are formed in adjacent near-end lower locking holes, a far end upper Kirschner wire hole and a far end lower locking hole are sequentially formed in the far end of the bone fracture plate from right to left, 5 far-end lower locking holes are distributed in an annular structure, and a far-end middle locking hole is formed in the middle of the annular structure, the periphery of the far-end lower locking hole is provided with far-end lower Kirschner wire holes which are distributed along the edge of the far end of the bone fracture plate.
2. A distal medial tibial plate according to claim 1, wherein: the back of the bone fracture plate is provided with arc-shaped grooves, and the arc-shaped grooves are positioned on two sides of a Kirschner wire hole under the near end, two sides of two ends of a near-end sliding hole and two sides of the right end of the near-end sliding hole I.
3. A distal medial tibial plate according to claim 1, wherein: a wire leading groove is formed between the edge of the back face of the far end of the bone fracture plate and the Kirschner wire hole at the far end, and the wire leading groove is communicated with the Kirschner wire hole at the far end.
4. A distal medial tibial plate according to claim 1, wherein: the locking hole is equipped with 9 under the near-end, and the equidistance distributes.
5. A distal medial tibial plate according to claim 1, wherein: the diameters of the near-end locking hole, the near-end lower locking hole, the far-end upper locking hole and the far-end lower locking hole are 3.5mm, and the diameters of the near-end sliding hole and the near-end sliding hole I corresponding to the screws are 3.5 mm.
6. A distal medial tibial plate according to claim 1, wherein: the right end of the near end of the bone fracture plate is of an inclined plane structure.
7. A distal medial tibial plate according to claim 1, wherein: the thickness of the bone plate is 0.15-0.4cm, the length is 15-25cm, and the width is 1.2-2.0 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110611943.8A CN113197646A (en) | 2021-06-01 | 2021-06-01 | Tibia far-end inner-side bone fracture plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110611943.8A CN113197646A (en) | 2021-06-01 | 2021-06-01 | Tibia far-end inner-side bone fracture plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113197646A true CN113197646A (en) | 2021-08-03 |
Family
ID=77023826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110611943.8A Withdrawn CN113197646A (en) | 2021-06-01 | 2021-06-01 | Tibia far-end inner-side bone fracture plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113197646A (en) |
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2021
- 2021-06-01 CN CN202110611943.8A patent/CN113197646A/en not_active Withdrawn
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| 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 |