CN113197654A - Humerus far-end rear-side bone plate - Google Patents
Humerus far-end rear-side bone plate Download PDFInfo
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- CN113197654A CN113197654A CN202110612230.3A CN202110612230A CN113197654A CN 113197654 A CN113197654 A CN 113197654A CN 202110612230 A CN202110612230 A CN 202110612230A CN 113197654 A CN113197654 A CN 113197654A
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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
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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
- A61B17/808—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)
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- Heart & Thoracic Surgery (AREA)
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Abstract
The invention discloses a humerus far-end back-side bone plate which comprises a bone plate, wherein the bone plate is divided into a bone plate near end, a bone plate middle section and a bone plate far end, the bone plate far end is divided into a head and a far-end connecting section, the head is inwards bent relative to the far-end connecting section, the bending radian accords with the radian of a humerus far-end anatomical structure, the near-end of the bone plate is sequentially provided with a near-end Kirschner wire hole, a near-end locking hole and a near-end sliding hole from top to bottom, the middle section of the bone plate is provided with a plurality of middle-section locking holes and a plurality of middle-section sliding holes from top to bottom, the middle sections of the adjacent middle-section locking holes are provided with a plurality of middle-section Kirschner wire holes, the far end of the bone plate is provided with a far-end locking hole and a plurality of far-end Kirschner wire holes. The bone fracture plate is provided with the near-end sliding hole and the middle-section sliding hole, and cortical screws can be driven into the bone fracture plate in an operation to tightly attach bones to the bone fracture plate, so that the bone fracture plate can be pressurized, and the fracture reduction is facilitated.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a humerus far-end back-side bone plate.
Background
When subjected to external impacts or accumulated strain, the continuity of the bone structure may be completely or partially broken, i.e., a fracture occurs. In order to ensure the connection and fixation of the broken ends of the bones and the normal healing of the fractures, the internal fixation bone fracture plate is used for treatment, and the bone fracture plate at the back side of the far end of the humerus is one of the bone fracture plates. However, the existing humerus far-end posterior bone plate has many disadvantages, such as that the bone plate only has locking holes, and the bone can not be well jointed with the bone plate. Because the head of the screw is provided with threads, when the screw is rotated to a certain degree, the locking screw can be locked with the bone fracture plate, so that the bone fracture plate cannot be continuously driven to move towards the bone. Finally, the bone and the bone fracture plate are only attached or have a distance therebetween, so that the stability of the internal fixing bracket is reduced, the reduction of the fracture is deviated, and the bone healing is influenced; when the humerus far-end back-side bone plate is used, the far-end tilting phenomenon and the phenomenon that the bone surface is not attached can occur, the stability after fixation is reduced, the risk of fracture of the bone plate and screws is increased, and the fracture healing is not facilitated; when the humerus far-end back bone plate is used, inaccurate positioning or no fixing of broken bone blocks can occur in the middle section. In fractures with more relative fracture blocks, due to more fractured bone blocks, all the bone blocks can not be completely fixed by using a bone fracture plate and screws sometimes, so that the phenomena of bone block loss and displacement are generated, and the recovery is not facilitated; when the humerus far-end back-side bone plate is used for treating the humerus far-end fracture accompanied with the torn joint capsule or ligament, a suture line cannot be fixed on the bone plate, and meanwhile, the bone plate cannot be finely adjusted after a screw is driven into the bone plate, and holes need to be drilled again, so that iatrogenic injuries are increased. And the displacement of the fractured end may occur during the operation, resulting in poor prognosis. Therefore, there is a need for a new distal humerus posterior bone plate that solves the above problems.
Disclosure of Invention
The present invention has been made to solve the problems occurring in the background art, and an object of the present invention is to provide a distal posterior humerus plate. In order to achieve the purpose, the invention provides the following technical scheme: a bone plate at the back side of the far end of a humerus comprises a bone plate, wherein the bone plate is divided into a bone plate near end, a bone plate middle section and a bone plate far end, the bone plate far end is divided into a head and a far end connecting section, the head is inwards bent relative to the far end connecting section, and the bent radian accords with the radian of a humerus far end anatomical structure, the far end connecting section is bent towards one side relative to the bone plate middle section, the far end connecting section is connected with a smooth curved surface of the bone plate middle section, a near end Kirschner wire hole, a near end locking hole and a near end sliding hole are sequentially formed in the bone plate near end from top to bottom, a middle section locking hole and a middle section sliding hole are formed in the bone plate middle section from top to bottom, a plurality of middle section locking holes are formed, the directions of pore passages are fixed, a middle section Kirschner wire hole is formed in the middle part of the adjacent middle section locking holes, and arc-shaped notches are formed in two sides between the near end sliding hole and the adjacent middle section locking hole, the bone fracture plate is characterized in that a plurality of far-end locking holes and a plurality of far-end Kirschner wire holes are formed in the far end of the bone fracture plate and are distributed along the far end of the bone fracture plate from top to bottom in a staggered mode, and the far-end locking holes are adjacent to the middle-section sliding holes.
Preferably, the back of the middle section 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 of the middle section and on the upper side and the lower side of the sliding hole of the middle section.
Preferably, a lead groove is formed between the lower edge of the back face of the head part and the distal Kirschner wire hole at the lowermost end.
Preferably, there are 9 middle section locking holes, and the equidistance distributes.
Preferably, the number of the distal locking holes and the number of the distal Kirschner wire holes are 5, and the lower 3 distal locking holes and the distal Kirschner wire holes are positioned on the head.
Preferably, the edge of the bone plate is a smooth cambered surface structure.
Preferably, the bone plate has a thickness of 0.2-0.45cm, a length of 8-28cm and a width of 1.0-1.25 cm.
The invention has the technical effects and advantages that: the bone fracture plate is provided with the near-end sliding hole and the middle-section sliding hole, so that a bone can be tightly attached to the bone fracture plate by driving in a cortical bone screw in the operation, the bone fracture plate is pressurized, the bone is pulled, and the fracture reduction is facilitated; in addition, the positions of the bone fracture plate and the bone can be accurately adjusted through fine adjustment of the near-end sliding hole and the middle-section sliding hole in the operation, so that reduction and fixation of the fracture are facilitated; the middle section kirschner wire holes alternating with the middle section locking holes are formed in the middle section of the bone fracture plate, so that the problem that temporary fixation is carried out, or small bone blocks are not located and are not easy to fix can be solved. And the thin kirschner wire has little damage to the bone, and can be pulled out and driven into the adjusting position again. The middle section kirschner wire holes are alternately arranged in the middle section locking holes, so that the middle section kirschner wire holes can be selectively used during surgery, and a better fixing effect is achieved. Meanwhile, the kirschner wire holes in the middle section can be threaded, when the comminuted fracture occurs, the bone blocks can be wrapped by using the suture and then pass through the kirschner wire holes in the middle section to be fixed on the bone fracture plate, so that the recovery of a patient is facilitated; the suture groove is designed at the edge of the Kirschner wire hole at the far end of the lowest end, when the joint capsule or the ligament is sutured and repaired, the suture can penetrate out of the suture groove, then the joint capsule or the ligament is sutured and fixed on the bone fracture plate, the reduction of fracture and the healing of the joint capsule and the ligament are facilitated, and the suture groove has important significance for recovering the function of the elbow joint; the locking hole on the bone fracture plate adopts a pure locking hole structure, the application of combining the locking hole and a universal locking hole is cancelled, and the direction of a screw in the pure locking hole is designed according to the anatomical characteristics of humerus, so that an operator only needs to drive in the direction appointed by an original sleeve without considering the direction of the screw in the operation, the selectivity of an operator is reduced, the operation repeatability is increased, and the angle stability is obviously increased because the locking screw is in 360-degree contact with the locking hole on the bone fracture plate; set up the arc breach in both sides between the coaptation board near-end, coaptation board middle section, when patient has the humerus deformity, the accessible changes the form of coaptation board near-end, under the condition that does not influence fixed strength notably, accomplishes the double-skin matter of coaptation board near-end and fixes. And the arc-shaped notch can be conveniently and transversely bent, so that double-skin fixation of the near end of the bone fracture plate is realized, and the fixation strength is ensured.
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 middle section, 4-bone plate far end, 5-head, 6-far end connecting section, 7-near end Kirschner wire hole, 8-near end locking hole, 9-near end sliding hole, 10-middle section locking hole, 11-middle section sliding hole, 12-middle section Kirschner wire hole, 13-arc notch, 14-far end locking hole, 15-far end Kirschner wire hole, 16-arc groove and 17-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 distal humerus posterior bone plate shown in fig. 1 to 3 comprises a bone plate 1, the edge of the bone plate 1 has a smooth arc structure, the bone plate 1 has a thickness of 0.2 to 0.45cm, a length of 8 to 28cm and a width of 1.0 to 1.25cm, the bone plate 1 is divided into a proximal bone plate 2, a middle bone plate 3 and a distal bone plate 4, the distal bone plate 4 is divided into a head 5 and a distal connecting section 6, the head 5 is inwardly bent with respect to the distal connecting section 6 with a curvature conforming to the anatomical structure of the distal humerus, the distal connecting section 6 is bent to one side with respect to the middle bone plate 3, the distal connecting section 6 is connected with the middle bone plate 3 with a smooth curved surface, the proximal end 2 is sequentially provided with a proximal kirschner pin hole 7, a proximal locking hole 8 and a proximal sliding hole 9 from top to bottom, the middle bone plate 3 is provided with a middle locking hole 10 and a middle sliding hole 11 from top to bottom, the middle section locking hole 10 is provided with a plurality of, and specific quantity can be selected according to the length model of bone plate 1, the pore canal direction of middle section locking hole 10 is fixed, and open in the middle part of adjacent middle section locking hole 10 has middle section kirschner wire hole 12, open the both sides between near-end sliding hole 9 and its adjacent middle section locking hole 10 has arc breach 13, it has distal end locking hole 14 and distal end kirschner wire hole 15 to open on the bone plate distal end 4, distal end locking hole 14 and distal end kirschner wire hole 15 are from top to bottom along the crisscross distribution of bone plate distal end 4, distal end locking hole 14 is adjacent with middle section sliding hole 11.
Example 2
The distal humerus posterior bone plate shown in fig. 1 to 3 includes a bone plate 1, the bone plate 1 has a thickness of 0.2 to 0.45cm, a length of 8 to 28cm and a width of 1.0 to 1.25cm, the bone plate 1 is divided into a proximal bone plate 2, a middle bone plate 3 and a distal bone plate 4, the distal bone plate 4 is divided into a head 5 and a distal connecting section 6, the head 5 is inwardly bent with respect to the distal connecting section 6 with a curvature conforming to a curvature of a distal anatomical structure of humerus, the distal connecting section 6 is bent to one side with respect to the middle bone plate 3, the distal connecting section 6 is smoothly curved-connected to the middle bone plate 3, the proximal bone plate 2 has proximal k-wire holes 7, proximal locking holes 8 and proximal sliding holes 9 in order from top to bottom, the middle bone plate 3 has middle locking holes 10 and middle sliding holes 11 in order from top to bottom, the middle section locking holes 10 are arranged in 9 numbers and distributed at equal intervals, the hole passage directions of the middle section locking holes 10 are fixed and are designed according to the anatomical characteristics of humerus, therefore, an operator only needs to drive in according to the original sleeve direction without considering the screw direction in the operation, the selectivity of an operator is reduced, the operation repeatability is improved, the middle section Kirschner wire holes 12 are formed in the middle parts of the adjacent middle section locking holes 10, the back surface of the middle section 3 of the bone fracture plate is provided with arc-shaped grooves 16, the arc-shaped grooves 16 are positioned on the two sides of the middle section Kirschner wire holes 12 and the upper and lower sides of the middle section sliding holes 11, the compression on periosteum can be reduced, the blood circulation of a fracture end is protected, the arc-shaped notches 13 are formed in the two sides between the near-end sliding hole 9 and the adjacent middle section locking hole 10, the arc-shaped notches 13 can facilitate the bending of the bone fracture plate 1, bones can be better attached to the bone fracture plate 1, and the double-skin fixation of the near-end 2 is realized, the surgical difficulty is reduced, the repeatability is improved, the far end 4 of the bone plate is provided with far end locking holes 14 and far end Kirschner wire holes 15, the number of the far end locking holes 14 and the number of the far end Kirschner wire holes 15 are 5, the far end locking holes 14 and the far end Kirschner wire holes 15 are distributed along the far end 4 of the bone plate from top to bottom in a staggered mode, the lower 3 far end locking holes 14 and the far end Kirschner wire holes 15 are located on the head 5, the far end locking holes 14 are adjacent to the middle section sliding holes 11, a lead wire groove 17 is formed between the lower edge of the back of the head 5 and the far end Kirschner wire holes 15 at the lowest end, and a suture after a joint capsule or a ligament is sutured can penetrate into the far end Kirschner wire holes 15 from the lead wire grooves 17, so that the fixation is convenient.
The process flow and the working principle of the invention are as follows: a specific fixing mode of a distal humerus rear-side bone plate is shown in figure 4, firstly, a fracture end is dissected and closed, the bone plate 1 is placed on the bone surface of the rear side of the distal humerus according to the dissecting shape, a Kirschner wire hole is punched in a distal Kirschner wire hole 15 at the lowest end, a single-layer cortical bone is penetrated, perspective is conducted, the bone plate 1 is adjusted to be in a proper position, meanwhile, the Kirschner wire is prevented from entering an elbow joint cavity, after the position of the distal end 4 of the bone plate is determined to be satisfactory, a cortical bone screw is screwed in a distal locking hole 14 at the lowest end, the single-layer cortical bone is penetrated, pressurized and fixed, so that the distal end 4 of the bone plate is attached to the bone surface, and then the Kirschner wire in the distal Kirschner wire hole 15 at the lowest end is pulled out; adjusting the proximal end 2 of the bone fracture plate to be arranged at the middle position of the rear side of the middle section of the humerus, driving a Kirschner wire into a proximal Kirschner wire hole 7, penetrating single-layer cortical bone, performing perspective, screwing a cortical bone screw into a proximal sliding hole 9 after determining that the bone fracture plate 1 is arranged at the middle position of the rear side of the humerus, penetrating double-layer cortical bone, pulling out the Kirschner wire in the proximal Kirschner wire hole 7 before screwing the cortical bone screw, and screwing the cortical bone screw in the proximal sliding hole 9 while correcting the displacement of the fracture end so as to ensure that the proximal end 2 of the bone fracture plate is attached to the bone surface and the distal fracture of the humerus to achieve anatomical reduction; after the internal and external positions of the bone fracture plate 1 are determined to be satisfied, the cortical bone screw is screwed in the middle section sliding hole 11 to penetrate through the double-layer cortical bone, before the cortical bone screw in the middle section sliding hole 11 is screwed, the cortical bone screw in the near end sliding hole 9 is screwed out for 1-2 circles anticlockwise, so that the fracture end is prevented from being separated and displaced due to middle pressurization when the near end 2 of the bone fracture plate and the far end 4 of the bone fracture plate are absolutely fixed, after the cortical bone screw in the middle section sliding hole 11 is screwed, the cortical bone screw in the near end sliding hole 9 is screwed, perspective is carried out, and anatomical reduction of the far end fracture of the humerus is determined; then according to the fracture situation, locking screws are screwed into the locking holes at two ends of the fracture line, and what needs to be described is that the preferentially locked nail holes are a near-end locking hole 8 (enabling the near end 2 of the bone plate to be attached to the bone surface and replacing the action of cortical screws in a near-end sliding hole 9), a lowest middle-section locking hole 10 (enabling the middle section 3 of the bone plate to be attached to the bone surface and replacing the action of cortical screws in a middle-section sliding hole 11), a far-end locking hole 14 (enabling the far end 4 of the bone plate to be attached to the bone surface and enabling the locking holes to be close to the elbow joint and supporting the far-end joint surface of the humerus), then according to the fracture situation, the locking screws with proper quantity and position are screwed into the locking holes at two ends of the fracture line to fix the far-end fracture of the humerus, finally all kirschner pins and cortical screws are removed, and the cortical screws in the lowest far-end locking hole 14 are replaced by the locking screws; the final fixation is maintained at both ends of the fracture line using a suitable 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 (7)
1. A distal humerus posterior bone plate comprises a bone plate, and is characterized in that: the bone fracture plate is divided into a bone fracture plate near end, a bone fracture plate middle section and a bone fracture plate far end, the bone fracture plate far end is divided into a head and a far end connecting section, the head is inwards bent relative to the far end connecting section, the bending radian accords with the radian of a humerus far end anatomical structure, the far end connecting section is bent towards one side relative to the bone fracture plate middle section, the far end connecting section is connected with a smooth curved surface of the bone fracture plate middle section, the bone fracture plate near end is sequentially provided with a near end Kirschner wire hole, a near end locking hole and a near end sliding hole from top to bottom, the bone fracture plate middle section is provided with a plurality of middle section locking holes and a plurality of middle section sliding holes from top to bottom, the directions of pore passages are fixed, the middle sections of adjacent middle section locking holes are provided with middle section Kirschner wire holes, arc-shaped notches are arranged at two sides between the near end sliding holes and the adjacent middle section locking holes, and the bone fracture plate far end is provided with a far end locking hole and a far end Kirschner wire hole, the distal locking holes and the distal Kirschner wire holes are formed in multiple numbers and are distributed in a staggered mode from top to bottom along the distal end of the bone fracture plate, and the distal locking holes are adjacent to the middle section sliding holes.
2. The distal humerus posterior bone plate of claim 1, wherein: the back of the middle section of the bone fracture plate is provided with arc-shaped grooves which are positioned at two sides of the Kirschner wire hole of the middle section and at the upper side and the lower side of the sliding hole of the middle section.
3. The distal humerus posterior bone plate of claim 1, wherein: and a lead groove is formed between the lower edge of the back surface of the head part and the distal Kirschner wire hole at the lowest end.
4. The distal humerus posterior bone plate of claim 1, wherein: the middle section locking hole is equipped with 9, and the equidistance distributes.
5. The distal humerus posterior bone plate of claim 1, wherein: the number of the far-end locking holes and the number of the far-end Kirschner wire holes are 5, and the lower 3 far-end locking holes and the far-end Kirschner wire holes are formed in the head.
6. The distal humerus posterior bone plate of claim 1, wherein: the edge of the bone fracture plate is of a smooth cambered surface structure.
7. The distal humerus posterior bone plate of claim 1, wherein: the thickness of the bone plate is 0.2-0.45cm, the length is 8-28cm, and the width is 1.0-1.25 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110612230.3A CN113197654A (en) | 2021-06-01 | 2021-06-01 | Humerus far-end rear-side bone plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110612230.3A CN113197654A (en) | 2021-06-01 | 2021-06-01 | Humerus far-end rear-side bone plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113197654A true CN113197654A (en) | 2021-08-03 |
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ID=77024066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110612230.3A Withdrawn CN113197654A (en) | 2021-06-01 | 2021-06-01 | Humerus far-end rear-side bone plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113197654A (en) |
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2021
- 2021-06-01 CN CN202110612230.3A patent/CN113197654A/en not_active Withdrawn
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| PB01 | Publication | ||
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Application publication date: 20210803 |