CN113197645A - Ulna far-end inner-side bone fracture plate - Google Patents
Ulna far-end inner-side bone fracture plate Download PDFInfo
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- CN113197645A CN113197645A CN202110611942.3A CN202110611942A CN113197645A CN 113197645 A CN113197645 A CN 113197645A CN 202110611942 A CN202110611942 A CN 202110611942A CN 113197645 A CN113197645 A CN 113197645A
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- wrist
- kirschner wire
- hole
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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)
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses an ulna far-end inner side bone fracture plate which comprises a bone fracture plate, wherein the bone fracture plate is divided into a near wrist joint part, a middle section and a far wrist joint part, the near wrist joint part is provided with a near wrist Kirschner wire hole, a near wrist locking hole, a near wrist Kirschner wire hole and a near wrist lower locking hole from top to bottom, the middle section is provided with a middle Kirschner wire hole and a middle locking hole from top to bottom, the middle Kirschner wire holes and the middle locking holes are distributed on the middle section in an up-down staggered manner, the lower part of the near wrist lower locking hole is adjacent to the middle Kirschner wire hole, and the far wrist joint part is provided with a far wrist sliding hole, a far wrist locking hole and a far wrist Kirschner wire hole from top to bottom. The width and the curvature of the bone fracture plate are designed according to the anatomical structure of the inner side of the distal end of the ulna, and the bone fracture plate is an anatomical locking plate, so that the bone fracture plate can be tightly attached to the bone cortex without shaping in an operation, the strength of the bone fracture plate can not be reduced, and the operation time can not be prolonged.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an ulna far-end inner side bone fracture plate.
Background
Distal ulna fractures are one of the common types of fractures, including ulnar styloid fractures. When the ulna styloid process fracture is serious, internal fixation treatment through a bone fracture plate is needed. However, the existing ulna distal end bone fracture plate has many disadvantages when treating the ulna styloid fracture, such as: the distal end of the bone fracture plate is not provided with the Kirschner wire hole, so that temporary positioning and temporary fixing cannot be performed, small bone blocks or ligaments and the like can be sutured, the bone fracture plate is easy to shift during fixing, the positions of the bone fracture plate and a fracture end need to be adjusted for many times in an operation, the operation is long, the fixing effect is poor and the like; the body of the bone fracture plate is not provided with a Kirschner wire hole, and the comminuted fracture or the small bone block cannot be fixed and the fracture end can be temporarily fixed and reset by using a point-type reset forceps clamp; the near end of the bone fracture plate is not provided with the Kirschner wire hole, so that whether the near end position of the bone fracture plate is positioned in the middle of the ulna or not can not be fixed and positioned temporarily; the bone fracture plate is not provided with an independent sliding hole, so that the fracture end cannot be finely adjusted through slight sliding in the operation, and bones cannot be more attached to the bone fracture plate. Therefore, a new ulna distal medial bone plate is needed to solve the above problems for the fixation of the ulna styloid fracture.
Disclosure of Invention
The invention aims to provide an ulna far-end inner side bone fracture plate to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: an ulna far-end inner side bone fracture plate comprises a bone fracture plate, wherein the bone fracture plate is divided into a near wrist joint part, a middle section and a far wrist joint part, the near wrist joint part is of an arc-shaped structure, two sides of the near wrist joint part are bent inwards and accord with the characteristics of an ulna styloid anatomical structure, the near wrist joint part is provided with a near wrist Kirschner wire hole, a near wrist locking hole, a near wrist Kirschner wire hole and a near wrist locking hole from top to bottom, the number of the near wrist Kirschner wire holes is 3, the near wrist locking holes are positioned above and on the left side and the right side of the near wrist locking hole, the cross sections of the middle section and the far wrist joint part are both arc surface designs and accord with the ulna styloid anatomical structure, the middle section is provided with a middle Kirschner wire hole and a middle locking hole from top to bottom, the middle Kirschner wire holes and the middle locking holes are all provided with a plurality of the middle Kirschner wire holes in a staggered distribution from top to bottom, the lower part of the near wrist locking hole is adjacent to the middle Kirschner wire hole, the far wrist joint part is provided with a far wrist sliding hole, a far wrist locking hole and a far wrist Kirschner wire hole from top to bottom.
Preferably, a lead groove is formed between the edge of the back face of the wrist joint part and the wrist Kirschner wire hole, and the lead groove is communicated with the wrist Kirschner wire hole.
Preferably, 6 middle Kirschner wire holes and 6 middle locking holes are arranged, and the middle Kirschner wire holes and the middle locking holes which are adjacent are distributed at equal intervals.
Preferably, the diameters of the proximal wrist locking hole, the proximal sub-wrist locking hole, the middle locking hole and the distal wrist locking hole are 2.7mm, the diameters of the proximal wrist kirschner wire hole and the proximal sub-wrist kirschner wire hole are 1.0mm, and the diameters of the middle kirschner wire hole and the distal wrist kirschner wire hole are 1.5 mm.
Preferably, the bone plate edge is a smooth curved surface structure.
Preferably, the bone plate has a thickness of 1.5-2.5mm, a length of 2.5-9cm and a width of 0.5-0.9 cm.
The invention has the technical effects and advantages that: the width and the curvature of the bone fracture plate are designed according to the anatomical structure of the inner side of the distal end of the ulna, and the bone fracture plate is an anatomical locking plate, can be tightly attached to the cortex of the bone without shaping in an operation, and can not reduce the strength of the bone fracture plate or 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 bone fracture plate is provided with Kirschner wire holes and locking holes in the proximal wrist joint part, the middle section and the distal wrist joint part, the hole channels are distributed relatively uniformly, and the bone fracture plate is suitable for simple and complex fractures of the distal end of an ulna; the bone fracture plate is thinned and in an arc shape at the position closest to the ulna styloid process and is attached to the bone surface when being inserted, so that the friction injury of tendons, ligaments and soft tissues is reduced; the whole cross section of the bone fracture plate is designed into an arc shape, the curvature radius of the radian is different according to different anatomical characteristics of the inner side of the distal end of the ulna, so that the bone fracture plate can be inserted and better attached to the bone surface, the operation of an operator is facilitated, and the operation time and the wound are reduced; the edge of the bone plate is designed into a curved surface, so that the bone plate is more attached to the ulna, the friction with soft tissues is reduced, the discomfort after operation is reduced, and the early functional exercise and rehabilitation treatment are facilitated; the bone fracture plate is provided with the single far wrist sliding holes, the positions of the far wrist sliding holes are reasonably distributed, the bone fracture plate can be used for accurately adjusting the far and near positions of the bone fracture plate, the most appropriate installation position of the bone fracture plate is determined, the bone surface is more attached to the bone fracture plate through the action of pulling force, and the fine adjustment of the fracture end can better complete anatomical reduction; the bone plate is provided with a distal wrist Kirschner wire hole at the distal wrist joint part, and the Kirschner wire is placed to penetrate through the single cortex of the ulna so as to finely adjust the position of the bone plate and help to fix the bone plate in the middle of the ulna; the middle section of the bone fracture plate is provided with a middle kirschner wire hole which can be used for fixing special fracture (such as broken bone) or temporary fixation near a fracture line; the bone fracture plate is provided with Kirschner wires in the proximal wrist Kirschner wire holes at the proximal ulna styloid process, so that an operator can judge whether the bone fracture plate is placed at a proper position and whether the embedded screws enter the joint cavity, and when the joint capsule has a tear or a broken bone block, the proximal wrist Kirschner wire holes can assist in suturing the joint capsule, the ligament and the ossicle; the middle Kirschner wire hole in the middle section of the bone fracture plate and the far wrist sliding hole in the far wrist joint part can be used for temporarily fixing the bone fracture plate, so that the position of the bone fracture plate can be accurately adjusted, cortical bone screws are placed in the far wrist sliding holes to be pressed and fixed after the position of the bone fracture plate is determined by cooperative adjustment, and then the locking screws can be placed in the far wrist sliding holes to complete the operation. Meanwhile, the far wrist sliding hole can also use a common screw to draw the ulna, so that different angle stabilities are provided for fracture reduction and fixation, and early functional exercise is facilitated; the far wrist joint part of the bone plate is provided with a far wrist sliding hole, a far wrist locking hole and a far wrist Kirschner wire hole, a Kirschner wire is placed in the far wrist Kirschner wire hole to facilitate the determination of the position of the far wrist joint part, the far wrist sliding hole assists in further fixing the far wrist joint part and pressurizing to enable the far wrist joint part to be attached to the bone surface, and finally a locking screw is placed in the far wrist locking hole to be stably locked and fixed. The parts of the far wrist joint are mutually matched to be fixed, so that the operation time of an operating doctor is reduced, and the occurrence of repeated drilling is avoided.
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-a bone fracture plate, 2-a proximal wrist joint part, 3-a middle section, 4-a distal wrist joint part, 5-a proximal wrist Kirschner wire hole, 6-a proximal wrist locking hole, 7-a proximal wrist Kirschner wire hole, 8-a proximal sub-wrist locking hole, 9-a middle Kirschner wire hole, 10-a middle locking hole, 12-a distal wrist sliding hole, 13-a distal wrist locking hole, 14-a distal wrist Kirschner wire hole and 15-a 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
An ulna distal end inner side bone fracture plate shown in figures 1-3 comprises a bone fracture plate 1, wherein the bone fracture plate 1 is 1.5-2.5mm thick, 2.5-9cm long and 0.5-0.9cm wide, the bone fracture plate 1 is divided into a proximal wrist joint part 2, a middle section 3 and a distal wrist joint part 4, the proximal wrist joint part 2 is of an arc structure, the two sides of the proximal wrist joint part are bent inwards to meet the anatomical features of an ulna styloid process, the proximal wrist joint part 2 is provided with a proximal wrist Kirschner wire hole 5, a proximal wrist locking hole 6, a proximal wrist lower Kirschner wire hole 7 and a proximal wrist lower locking hole 8 from top to bottom, the proximal wrist Kirschner wire holes 7 are provided with 3 and are positioned above and on the left and right sides of the proximal wrist locking hole 6, the middle section 3 and the distal wrist joint part 4 are both of arc surface designs to meet the anatomical features of an ulna, the middle section 3 is provided with a middle Kirschner wire hole 9 and a middle locking hole 10 from top to bottom, the middle Kirschner wire holes 9 and the middle locking holes 10 are arranged in a plurality and are distributed on the middle section 3 in an up-and-down staggered manner, the lower part of the near wrist lower locking hole 8 is adjacent to the middle Kirschner wire hole 9, and the far wrist joint part 4 is provided with a far wrist sliding hole 12, a far wrist locking hole 13 and a far wrist Kirschner wire hole 14 from top to bottom.
Example 2
The ulna far-end inner side bone fracture plate shown in figures 1-3 comprises a bone fracture plate 1, wherein the bone fracture plate 1 is 1.5-2.5mm thick, 2.5-9cm long and 0.5-0.9cm wide, the edge of the bone fracture plate 1 is of a smooth curved surface structure, friction injuries and foreign body feelings of tendons, ligaments and soft tissues are reduced, the bone fracture plate 1 is divided into a near wrist joint part 2, a middle section 3 and a far wrist joint part 4, the near wrist joint part 2 is of an arc-shaped structure, two sides of the near wrist joint part are bent inwards and designed to be thinner, the characteristics of an ulna styloid anatomy structure are met, the friction injuries of the tendons, the ligaments and the soft tissues are reduced, a near wrist Kirschner wire hole 5, a near wrist locking hole 6, a near wrist Kirschner wire hole 7 and a near wrist locking hole 8 are arranged on the near wrist joint part 2 from top to bottom, the near wrist Kirschner wire holes 7 are 3 and are arranged above and on the near wrist locking hole 6 and on the left side and the right side, the proximal wrist Kirschner wire hole 5 and the proximal wrist lower Kirschner wire hole 7 can temporarily fix the bone fracture plate 1 in the operation, judge whether the position of the bone fracture plate 1 is proper, position the joint surface to judge whether a screw enters a joint cavity, assist in fixing a small bone block and clamp the fracture end to facilitate anatomical reduction, a lead wire groove 15 is formed between the edge of the back surface of the proximal wrist joint part 2 and the proximal wrist Kirschner wire hole 5, the lead wire groove 15 is communicated with the proximal wrist Kirschner wire hole 7 to facilitate the suture repair and fixation of a lead wire when a joint capsule or ligament is torn or the small bone block cannot be fixed by the screw, the sections of the middle section 3 and the distal wrist joint part 4 are both designed into arc surfaces, the middle section is in accordance with the ulna backbone anatomical structure and uniform in thickness, the strength of the bone fracture plate 1 can be ensured, the middle Kirschner wire hole 9 and the middle locking hole 10 are formed from top to bottom, the middle Kirschner wire hole 9 can assist in temporary reduction and temporary reduction in the operation to fix broken bone blocks or point type clamp reduction of the fracture end, middle ke shi needle hole 9 and middle locking hole 10 all are equipped with 6, and crisscross equidistance distributes on interlude 3 from top to bottom more makes things convenient for the stable fixed of garrulous bone piece, and dispersion stress reduces secondary fracture's risk simultaneously, 8 below and middle ke shi needle hole 9 are adjacent near wrist under the wrist, far wrist joint part 4 from the top down has far wrist sliding hole 12, far wrist locking hole 13 and far wrist ke shi needle hole 14, near wrist locking hole 6, near wrist under locking hole 8, middle locking hole 10 and far wrist locking hole 13's diameter is 2.7mm, near wrist ke shi needle hole 5 and near wrist under ke shi needle hole 7 diameter are 1.0mm, middle ke shi needle hole 9 and far wrist ke shi needle hole 14 diameter are 1.5 mm.
The process flow and the working principle of the invention are as follows: a specific fixing mode of an ulna far-end inner side bone fracture plate is shown in figure 4, firstly, the fracture end of the coaptation is dissected, the bone fracture plate 1 is placed at the fracture part according to the dissecting shape, a Kirschner wire is placed in an uppermost near wrist Kirschner wire hole 5 in the operation to temporarily fix the bone fracture plate 1, whether the position of a near wrist joint part 2 of the bone fracture plate 1 is satisfactory or not is determined, a cortical screw is placed in a near wrist locking hole 6 to primarily fix the position of the near wrist joint part 2 at the far end of the ulna, the Kirschner wire in the uppermost near wrist Kirschner wire hole 5 is pulled out, the Kirschner wire is placed in a far wrist Kirschner wire hole 14 for temporarily fixing and finely adjusting the far wrist joint part 4, when the position of the far wrist joint part 4 is determined to be positioned at the middle of the ulna, the cortical screw is placed in a far wrist sliding hole 12 to further pressurize and fix the positions of the far wrist joint part 4 and the bone, so that the far wrist joint part 4 is jointed with the bone, pulling out the Kirschner wires in the Kirschner wire holes 14 at the far wrist, selecting the middle Kirschner wire holes 9 at the two ends of the fracture line to further clamp the fracture end according to the position of the fracture, preliminarily fixing and dissecting the fracture end to be reset, selecting the locking holes (the middle locking hole 10 or the locking hole 8 under the near wrist) closest to the two middle Kirschner wire holes 9, putting locking screws into the locking holes 2, and dissecting the fracture at the moment and preliminarily stabilizing the fracture; finally, according to the fracture condition, a proper number of locking screws are arranged in proper positions of the locking holes of the bone fracture plate; the cortical screws in the tunnel are replaced with locking screws and the cortical screws in the distal wrist sliding holes 12 are removed.
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 (6)
1. The utility model provides an inboard coaptation board of ulna distal end, includes the coaptation board, its characterized in that: the bone fracture plate is divided into a near wrist joint part, a middle section and a far wrist joint part, wherein the near wrist joint part is of an arc structure, two sides of the near wrist joint part are bent inwards to meet the anatomical characteristics of an ulna styloid process, the near wrist joint part is provided with a near wrist Kirschner wire hole, a near wrist locking hole, a near wrist Kirschner wire hole and a near wrist lower locking hole from top to bottom, the number of the near wrist Kirschner wire holes is 3, the near wrist joint part is positioned above and on the left side and the right side of the near wrist locking hole, the cross sections of the middle section and the far wrist joint part are both arc surface designs to meet the anatomical structure of an ulna diaphysis, the middle section is provided with a middle Kirschner wire hole and a middle locking hole from top to bottom, the middle Kirschner wire holes and the middle locking holes are distributed on the middle section in a vertically staggered manner, the lower part of the near wrist is adjacent to the middle Kirschner wire hole, and the far wrist joint part is provided with a far wrist sliding hole from top to bottom, a wrist sliding hole, A distal wrist locking hole and a distal wrist k-wire hole.
2. An ulnar distal medial plate as defined in claim 1 wherein: and a lead groove is formed between the edge of the back of the wrist-near joint part and the wrist-near Kirschner wire hole and is communicated with the wrist-near Kirschner wire hole.
3. An ulnar distal medial plate as defined in claim 1 wherein: the middle Kirschner wire holes and the middle locking holes are respectively provided with 6 holes, and the adjacent middle Kirschner wire holes and the middle locking holes are distributed at equal intervals.
4. An ulnar distal medial plate as defined in claim 1 wherein: the diameters of the near wrist locking hole, the near sub-wrist locking hole, the middle locking hole and the far wrist locking hole are 2.7mm, the diameters of the near wrist Kirschner wire hole and the near sub-wrist Kirschner wire hole are 1.0mm, and the diameters of the middle Kirschner wire hole and the far wrist Kirschner wire hole are 1.5 mm.
5. An ulnar distal medial plate as defined in claim 1 wherein: the edge of the bone plate is of a smooth curved surface structure.
6. An ulnar distal medial plate as defined in claim 1 wherein: the thickness of the bone plate is 1.5-2.5mm, the length is 2.5-9cm, and the width is 0.5-0.9 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110611942.3A CN113197645A (en) | 2021-06-01 | 2021-06-01 | Ulna far-end inner-side bone fracture plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110611942.3A CN113197645A (en) | 2021-06-01 | 2021-06-01 | Ulna far-end inner-side bone fracture plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113197645A true CN113197645A (en) | 2021-08-03 |
Family
ID=77024349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110611942.3A Withdrawn CN113197645A (en) | 2021-06-01 | 2021-06-01 | Ulna far-end inner-side bone fracture plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113197645A (en) |
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2021
- 2021-06-01 CN CN202110611942.3A patent/CN113197645A/en not_active Withdrawn
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| Date | Code | Title | Description |
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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 |