CN113040888B - Ulna coronal process locking plate - Google Patents
Ulna coronal process locking plate Download PDFInfo
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- CN113040888B CN113040888B CN202110295791.5A CN202110295791A CN113040888B CN 113040888 B CN113040888 B CN 113040888B CN 202110295791 A CN202110295791 A CN 202110295791A CN 113040888 B CN113040888 B CN 113040888B
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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
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
- A61B17/8057—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
-
- 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)
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- 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 an ulna coronal process locking plate which comprises transverse locking parts and longitudinal locking parts which are arranged in a crossed mode, wherein the joint surface of each transverse locking part is of an arc-shaped curved surface structure matched with a transverse anatomical structure of a coronal process, the joint surface of each longitudinal locking part is of an arc-shaped curved surface structure matched with a longitudinal anatomical structure of the coronal process, a plurality of locking holes are formed in each of the transverse locking parts and the longitudinal locking parts, and a coronal process tip hook claw capable of acting on a coronal process tip part is connected to the end part of each longitudinal locking part. The invention can effectively fix the apical fracture block through the coronal cusp claw, the action surface of the coronal cusp claw is a coronal surface, and the fixing surfaces of the locking nails locked on the transverse locking part and the longitudinal locking part are sagittal surfaces, therefore, the locking nails of the coronal cusp claw are mutually matched to form a three-dimensional multi-directional fixing structure, the fracture fixing effect can be greatly improved, and the fracture recovery is facilitated.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an ulna coronarium locking plate.
Background
The ulnar coronal process is a key bony structure for elbow joint stabilization. Coronal fracture is often caused by axial stress on the elbow joint and dislocation of the elbow joint. The 58% of the antero-medial structures of the coronary process are not supported by the bony structures of the ulnar metaphysis or diaphysis and are therefore quite susceptible to fracture. Both low energy (falls, torsions of the forearm) and high energy injuries (high bruises, car accidents) can cause fractures of the coronal process and may be accompanied by fractures of the radius head and injuries to the collateral ligament on the elbow joint. Coronary fracture usually requires CT to assist diagnosis, and american elbow trauma specialist O' driscol classifies coronary fractures into 3 types based on their appearance on CT, type I being a fracture of the coronal apex; type II is a coronal antero-medial fracture, where fractures usually add up to sublime (the point of insertion of the anterior collateral ligament in the coronal superior elbow joint on the ulna), and therefore are more damaging to elbow joint stability than type I fractures; type III is a fracture involving more than 50% of the bone mass in the coronal process, which is extremely unstable in the elbow joint due to loss of a large amount of bony stabilization structure in the coronal process. The elbow joint is a very important joint of a human body, is very important for daily work and life, and once the stability of the elbow joint is damaged, the movement of the upper limb and the load are greatly influenced. The coronary fracture has complex fracture types, great treatment difficulty and many complications, and is one of the most challenging orthopedic problems.
Surgical treatment is required for coronary fractures affecting the stability of the elbow joint. The coronary process itself is small, the fracture is usually broken, and the peripheral vascular nerves are more, the operation difficulty is large. The conventional way of fixing the coronal process includes: anchor nail, hollow screw and steel plate. When the coronary fracture block is extremely crushed and can not be fixed by a screw, the coronary fracture block is usually fixed by the screw, but the fixing strength of the screw is low, the anti-pulling capacity is poor, and particularly when the quality of a joint capsule is poor, the joint capsule is easy to lose efficacy, and the fixing effect is not exact. The cannulated screws are used to fix single and large coronal fractures of a fracture fragment, but if this is used, it is better to insert two screws to prevent rotation of the fracture fragment, however, in the case of a smaller fracture fragment, forcing in two screws can easily cause fracture of the fracture fragment and loss of fixation strength. Similarly, even if only one screw is screwed in for a small fracture (especially for coronal protrusion), the fracture may be cracked, and the direction of the screw insertion needs to be studied, and both the maximum bone holding amount and the entering into the joint need to be studied, so the requirement on the technical level is high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the ulna coronal process locking plate which has a good fracture fixing effect on the ulna coronal process, and is simple in structure and convenient to operate.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides an ulna coronal process lockplate, is including the horizontal locking portion and the vertical locking portion that cross arrangement, and the laminating of horizontal locking portion personally submits the arc curved surface structure with the horizontal anatomical structure looks adaptation of coronal process, and the laminating of vertical locking portion personally submits the arc curved surface structure with the vertical anatomical structure looks adaptation of coronal process, all is provided with a plurality of locking holes on horizontal locking portion and the vertical locking portion, and the tip position department of vertical locking portion is connected with the coronal process point that can act on coronal process point portion and colludes the claw.
Further, an inner hook claw capable of acting on the inner side of the coronal process is connected on the inner side end of the transverse locking part.
Furthermore, the coronal cusp hook claw is of a forked structure.
Furthermore, the crown-shaped sharp hook comprises a first hook part and a second hook part which are arranged in parallel, and the interval between the first hook part and the second hook part is 1 mm-3 mm.
Further, the longitudinal locking portion is provided with a coupling hole.
Furthermore, a gram-type pinhole is arranged at the joint position of the transverse locking part and the inner side hook claw.
Furthermore, the joint surface of the transverse locking part is provided with a notch which can be matched with the gram-type needle hole so as to be convenient for suturing the ligament.
Furthermore, the transverse locking part and the longitudinal locking part are obliquely crossed, and the longitudinal locking part inclines 10-15 degrees to the ruler side relative to the transverse locking part.
Further, the transverse locking part, the longitudinal locking part, the coronary cusp hook claw and the inner side hook claw are all made of titanium alloy materials.
Furthermore, the transverse locking part, the longitudinal locking part, the crown-shaped sharp hook claw and the inner side hook claw are of an integrally formed structure.
The technical scheme has the following advantages or beneficial effects:
in the ulna coronoid process locking plate of the invention, the crosswise arranged transverse locking parts and the longitudinal locking parts are mutually matched to form a locking plate main body structure, and can be locked at the ulna coronoid process fracture part through a plurality of locking nails, a crown cusp hook claw which can act on the crown cusp part is connected at the end part of the longitudinal locking part, the coronal cusp claw can effectively fix the apical fracture block, and the action surface of the coronal cusp claw is a coronal surface, and the fixing surface of each locking nail locked on the transverse locking part and the longitudinal locking part is a sagittal plane, therefore, each locking nail of the coronal cusp claw is mutually matched to form a three-dimensional multi-azimuth fixing structure, compared with the prior mode of singly using the locking nail for fixing, the three-dimensional multi-azimuth fixing structure can greatly improve the fracture fixing effect so as to be beneficial to fracture recovery.
Drawings
Fig. 1 is a schematic structural view showing a state in which an ulnar coronal locking plate and a locking nail are engaged with each other according to a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of an ulnar coronal process locking plate according to a first embodiment of the present invention.
Fig. 3 is another perspective view of the ulnar coronal locking plate according to the first embodiment of the present invention.
FIG. 4 is a schematic structural diagram of the locking plate for ulnar coronal process in accordance with the first embodiment of the present invention.
Fig. 5 is a schematic perspective view of an ulnar coronal process locking plate according to a second embodiment of the present invention.
Description of reference numerals:
1. the locking device comprises a transverse locking part, 2, a longitudinal locking part, 3, a locking hole, 4, a crown sharp hook, 5, an inner hook, 11, a gram-type pinhole, 12, a notch, 21, a combining hole, 41, a first hook part, 42 and a second hook part.
Detailed Description
The invention is further described with reference to the following figures and examples.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example one
Referring to fig. 1 to 4, an embodiment of the present invention provides an ulna coronal process locking plate, which includes a transverse locking portion 1 and a longitudinal locking portion 2 that are arranged in an intersecting manner, wherein an attaching surface of the transverse locking portion 1 is an arc-shaped curved surface structure adapted to a transverse anatomical structure of a coronal process, an attaching surface of the longitudinal locking portion 2 is an arc-shaped curved surface structure adapted to a longitudinal anatomical structure of the coronal process, a plurality of locking holes 3 are respectively formed in the transverse locking portion 1 and the longitudinal locking portion 2, and a coronal process tip hook 4 capable of acting on the coronal process tip is connected to an end position of the longitudinal locking portion 2. It can be understood that, in this embodiment, the crosswise arranged transverse locking parts 1 and the longitudinal locking parts 2 cooperate with each other to form a locking plate body structure, and can be locked at the ulna coronal process fracture site by a plurality of locking nails, and at the same time, a crown cusp hook 4 which can act on the crown cusp part is connected with the end part position of the longitudinal locking part 2, the coronal cusp hook claw 4 can effectively fix the apical fracture block, and the action surface of the coronal cusp hook claw 4 is a coronal surface, and the fixing plane of each locking nail locked on the transverse locking part 1 and the longitudinal locking part 2 is a sagittal plane, therefore, the locking nails of the coronal cusp hook claw 4 are mutually matched to form a three-dimensional multi-azimuth fixing structure, compared with the prior single locking nail fixing mode, the three-dimensional multi-azimuth fixing structure can greatly improve the fracture fixing effect, so as to be beneficial to fracture recovery. And the ulna coronal process locking plate has a simpler integral structure, the fixing process of the coronal process cusp hook claw 4 is quick and convenient, and the coronal process cusp part can be hooked only by bending, so that the operation efficiency of the operation is favorably ensured.
Referring to fig. 1 and 2, in a preferred embodiment, an inner hook 5 acting on the inner side of the coronal protrusion is connected to the inner side of the transverse locking portion 1. It can be understood that, in the present embodiment, since the inner side end of the transverse locking portion 1 is provided with the inner side hook 5, in practical use, the sublime (high-rise knot) can be sufficiently fixed by the cooperation of the inner side hook 5 and the adjacent locking nail, thereby avoiding the risk that the fixing structure of the previous single locking nail may fail (especially when the fracture block is small), the inner side hook 5 can well form the encircling fixation on the inner side of the coronal process, compared with the existing anchor repairing mode, the fixing effect can be improved by the cooperation of the inner side hook 5 and the adjacent locking nail, and the elbow joint is not easy to be stiff. Meanwhile, the inner side claw 5 and the coronal cusp claw 4 are mutually matched to form a double reinforcing structure, so that the fracture fixation effect is greatly improved, and the stable and good recovery of the fracture part is ensured.
Referring to fig. 1 and 2, in a preferred embodiment, the coronal prong 4 is a bifurcated structure. Preferably, the crown-shaped cusp claw 4 comprises a first claw part 41 and a second claw part 42 which are arranged in parallel, and the interval between the first claw part 41 and the second claw part 42 is 1 mm-3 mm. It can be understood that, because the coronal apical protruding hook claw 4 is configured to be a bifurcated structure, in the actual operation process, the operator can bend and pull the coronal apical protruding hook claw 4 more easily, so that the coronal apical protruding hook claw 4 can be more stably fixed at the position of the coronal apical protruding portion, which is beneficial to improving the operation convenience and the operation efficiency.
Referring to fig. 1 and 2, in a preferred embodiment, the longitudinal locking portion 2 is provided with a coupling hole 21. In this embodiment, the coupling hole 21 is a conventional one, and may be formed by intersecting a locking hole having a screw structure and a sliding long hole having no screw structure, so that the operator can adjust the longitudinal locking position of the ulnar coronal locking plate without losing bone mass.
Referring to fig. 1 to 4, in a preferred embodiment, a kirschner pin hole 11 is formed at a junction position of the transverse locking portion 1 and the inner hook 5. Preferably, the abutting surface of the transverse locking part 1 is provided with a notch 12 which can be matched with the gram-type pinhole 11 to facilitate the ligament suturing. It can be understood that during the operation, the kirschner pin is inserted through the kirschner pin hole 11 for temporary fixation, and meanwhile, the torn ligament can be conveniently sutured through the notch 12 on the binding surface of the transverse locking part 1, which is intersected with the kirschner pin hole 11.
Referring to fig. 3, in a preferred embodiment, the transverse locking portions 1 and the longitudinal locking portions 2 are obliquely crossed, and the longitudinal locking portions 2 are inclined 10-15 ° to the ruler side relative to the transverse locking portions 1. It can be understood that the longitudinal locking part 2 is configured to incline 10-15 degrees to the ulna side relative to the transverse locking part 1, so that the whole ulna locking plate can be more attached to the anatomical structure of the ulna coronal process, the attachment tightness of the transverse locking part 1 and the longitudinal locking part 2 with the ulna coronal process is favorably improved, and the fixing effect is further improved.
Referring to fig. 2, in a preferred embodiment, the transverse locking portion 1, the longitudinal locking portion 2, the crown-shaped cusp hook 4 and the inner hook 5 are made of titanium alloy material. And the transverse locking part 1, the longitudinal locking part 2, the crown-shaped sharp hook claw 4 and the inner side hook claw 5 are of an integrally formed structure.
Referring to fig. 2, in a preferred embodiment, the transverse locking portions 1 and the longitudinal locking portions 2 have a thickness of 1mm to 2 mm.
Referring to fig. 2, in a preferred embodiment, the transverse locking portion 1 is formed with 3 to 5 locking holes 3, and the longitudinal locking portion 2 is formed with 1 to 6 locking holes 3. Specifically, in an actual production process, the lengths of the transverse locking portions 1 and the longitudinal locking portions 2 may be adaptively adjusted so as to open a preset number of locking holes 3 on the transverse locking portions 1 and the longitudinal locking portions 2, respectively.
Referring to fig. 1 to 4, in a preferred embodiment, the inner hook 5 is bent backward relative to the transverse locking portion 1, and the crown-shaped sharp hook 4 is bent backward relative to the longitudinal locking portion 2.
Example two
Referring to fig. 5, the present embodiment is different from the first embodiment only in that the opening position of the combining hole 21 on the longitudinal locking portion 2 is different, specifically, the opening position of the combining hole 21 on the longitudinal locking portion 2 is not at the longitudinal and transverse connection point of the transverse locking portion 1 and the longitudinal locking portion 2 in the first embodiment, but the combining hole 21 in the present embodiment is at the longitudinal and transverse connection point of the transverse locking portion 1 and the longitudinal locking portion 2. However, it should be understood by those skilled in the art that in other embodiments, the combination hole 21 may be opened at other positions of the longitudinal locking portion 2, and is not limited to the specific embodiments disclosed in the first and second embodiments.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and these modifications or substitutions do not make the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention, so that all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.
Claims (6)
1. An ulnar coronal locking plate, comprising: comprises transverse locking parts (1) and longitudinal locking parts (2) which are arranged in a cross way, the joint surface of the transverse locking parts (1) is an arc-shaped curved surface structure matched with the transverse anatomical structure of the coronal process, the joint surface of the longitudinal locking parts (2) is an arc-shaped curved surface structure matched with the longitudinal anatomical structure of the coronal process, a plurality of locking holes (3) are arranged on the transverse locking parts (1) and the longitudinal locking parts (2), the end part position of the longitudinal locking parts (2) is connected with a coronal cusp hook claw (4) which can act on the coronal cusp part, the inner side end of the transverse locking parts (1) is connected with an inner side hook claw (5) which can act on the inner side of the coronal process, a gram-type pinhole (11) is arranged at the joint position of the transverse locking parts (1) and the inner side hook claw (5), a notch (12) which can be matched with the gram-type pinhole (11) to be convenient for suturing ligaments is arranged on the joint surface of the transverse locking parts (1), the transverse locking part (1) and the longitudinal locking part (2) are obliquely and crosswise arranged, and the longitudinal locking part (2) inclines 10-15 degrees to the ruler side relative to the transverse locking part (1).
2. The ulnar coronal locking plate of claim 1, wherein: the coronal cusp hook claw (4) is of a forked structure.
3. The ulnar coronal locking plate of claim 2, wherein: the crown-shaped sharp hook claw (4) comprises a first hook claw part (41) and a second hook claw part (42) which are arranged in parallel, and the interval between the first hook claw part (41) and the second hook claw part (42) is 1 mm-3 mm.
4. The ulnar coronal locking plate of claim 1, wherein: the longitudinal locking part (2) is provided with a combination hole (21).
5. The ulnar coronal locking plate as described in any one of claims 1 to 4, wherein: the transverse locking part (1), the longitudinal locking part (2), the coronary cusp hook claw (4) and the inner side hook claw (5) are all made of titanium alloy materials.
6. The ulnar coronal locking plate of claim 5, wherein: the transverse locking part (1), the longitudinal locking part (2), the coronary cusp hook claw (4) and the inner side hook claw (5) are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110295791.5A CN113040888B (en) | 2021-03-19 | 2021-03-19 | Ulna coronal process locking plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110295791.5A CN113040888B (en) | 2021-03-19 | 2021-03-19 | Ulna coronal process locking plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113040888A CN113040888A (en) | 2021-06-29 |
| CN113040888B true CN113040888B (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110295791.5A Active CN113040888B (en) | 2021-03-19 | 2021-03-19 | Ulna coronal process locking plate |
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| CN (1) | CN113040888B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0400322D0 (en) * | 2001-06-08 | 2004-02-11 | Mayo Foundation | No title |
| CN204683750U (en) * | 2015-05-13 | 2015-10-07 | 刘观燚 | Columnae medialis angle steel plat before coronoid process of ulna |
| CN204723163U (en) * | 2015-06-01 | 2015-10-28 | 张荣峰 | A kind of radius blade plate |
| CN207477546U (en) * | 2017-04-20 | 2018-06-12 | 西安市红会医院 | A kind of coronoid process of ulna dissection bone plate |
| CN207520190U (en) * | 2017-03-29 | 2018-06-22 | 常州华森医疗器械有限公司 | A kind of hook ulna far-end locking bone plate |
| CN110200691A (en) * | 2018-02-28 | 2019-09-06 | 上海市第六人民医院 | Ankle anatomical form band hook plate after a kind of |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8439918B2 (en) * | 2008-12-02 | 2013-05-14 | Suspension Orthopaedic Solutions, Inc. | Ulna fixation |
| CN201847763U (en) * | 2010-10-18 | 2011-06-01 | 厦门大博颖精医疗器械有限公司 | Ulna olecranon plate |
| CN211355823U (en) * | 2019-09-12 | 2020-08-28 | 无锡市第九人民医院 | Olecranon anatomical hook steel plate with loop capable of being combined with suture technology |
-
2021
- 2021-03-19 CN CN202110295791.5A patent/CN113040888B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0400322D0 (en) * | 2001-06-08 | 2004-02-11 | Mayo Foundation | No title |
| CN204683750U (en) * | 2015-05-13 | 2015-10-07 | 刘观燚 | Columnae medialis angle steel plat before coronoid process of ulna |
| CN204723163U (en) * | 2015-06-01 | 2015-10-28 | 张荣峰 | A kind of radius blade plate |
| CN207520190U (en) * | 2017-03-29 | 2018-06-22 | 常州华森医疗器械有限公司 | A kind of hook ulna far-end locking bone plate |
| CN207477546U (en) * | 2017-04-20 | 2018-06-12 | 西安市红会医院 | A kind of coronoid process of ulna dissection bone plate |
| CN110200691A (en) * | 2018-02-28 | 2019-09-06 | 上海市第六人民医院 | Ankle anatomical form band hook plate after a kind of |
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| Publication number | Publication date |
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| CN113040888A (en) | 2021-06-29 |
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