CN219397533U - Molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate - Google Patents
Molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate Download PDFInfo
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- CN219397533U CN219397533U CN202320478963.7U CN202320478963U CN219397533U CN 219397533 U CN219397533 U CN 219397533U CN 202320478963 U CN202320478963 U CN 202320478963U CN 219397533 U CN219397533 U CN 219397533U
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Abstract
The utility model provides a molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate, which belongs to the technical field of medical appliances and comprises the following components: a bone plate body; the bone fracture plate body is made of molybdenum-rhenium alloy and comprises two outer side strip-shaped plates and two middle connecting plates; the end parts of the two middle connecting plates are connected to form a V-shaped structure; the ends of the two outer strip-shaped plates are respectively and fixedly connected to two ends of the V-shaped structure to form an M-shaped structure; countersunk screw holes are formed in the turning part and the two end parts of the M-shaped structure; a strip-shaped connecting plate is connected between two end parts of the V-shaped structure, and a closed triangular drainage hole is formed by the strip-shaped connecting plate and two middle connecting plates. Compared with the traditional bone plate, the bone plate made of the molybdenum-rhenium alloy material is lighter and thinner, and meanwhile, the influence of the bone plate on MRI imaging can be reduced.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate.
Background
The common fixing methods in craniomaxillofacial surgery mainly comprise a dental arch splint fixing method, a self-solidifying plastic external fixing method, an interjaw ligation fixing method, a self-tapping screw interjaw fixing method, a lag screw fixing method, a wire interbone ligation method, a bone plate fixing method and the like. The bone fracture plate fixing method has good effect, and the general titanium alloy bone fracture plate has the characteristics of good quality strength, hardness and dynamic fatigue, but is applied to the position of the craniomaxillofacial bone fracture plate which needs lower notch, so that the bone fracture plate is slightly insufficient, and the adverse events such as loosening, falling-off and fracture are easy to cause. If the corresponding mechanical and mechanical properties are ensured, the thickness of the titanium alloy craniomaxillofacial bone fracture plate and the height of the matched screw head are obviously increased, and the generated high notch leads to the bad consequences of obvious foreign body sensation, pain and the like after operation of patients. On the other hand, due to the complex modeling of the craniomaxillofacial and the possibly existing various wound parts, the general bone fracture plate cannot have strong universality, and the bone fracture plate is easy to be excessively complicated in variety and is used in the operation confusion. Because of various and complex curved surfaces and curves of craniomaxillofacial surfaces, the traditional bone fracture plate cannot effectively conduct profiling in time in operation, and time and operation difficulty in operation are increased. In addition, titanium alloy bone plates have certain artifacts in MRI imaging, which can interfere with the judgment of the doctor on the soft tissue during and after the operation.
Disclosure of Invention
The utility model aims to provide the M-shaped craniomaxillofacial bone plate of the molybdenum-rhenium alloy, which is applied to the craniomaxillofacial part, has strong universality, high strength, low notch, fatigue resistance, difficult fracture, easy profiling, lower influence on MRI and no abrasion of human tissues at an operation part.
In order to solve the technical problems, the aim of the utility model is realized as follows:
a molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate, comprising: a bone plate body; the bone fracture plate body is made of molybdenum-rhenium alloy and comprises two outer side strip-shaped plates and two middle connecting plates; the end parts of the two middle connecting plates are connected to form a V-shaped structure; the ends of the two outer strip-shaped plates are respectively and fixedly connected to two ends of the V-shaped structure to form an M-shaped structure;
countersunk screw holes are formed in the turning part and the two end parts of the M-shaped structure;
a strip-shaped connecting plate is connected between two end parts of the V-shaped structure, and a closed triangular drainage hole is formed by the strip-shaped connecting plate and two middle connecting plates.
On the basis of the scheme and as a preferable scheme of the scheme, the side edge of the outer side strip plate is a concave cambered surface curve.
On the basis of the scheme and as a preferable scheme of the scheme, the side edge of the strip-shaped connecting plate is a concave cambered surface curve.
On the basis of the scheme and as a preferable scheme of the scheme, the outer side strip-shaped plate, the middle connecting plate and the strip-shaped connecting plate are integrally formed.
On the basis of the scheme and as a preferable scheme of the scheme, the countersunk head screw hole is a round countersunk head hole.
On the basis of the scheme and as a preferable scheme of the scheme, the outer side strip-shaped plate and the tip of the V-shaped structure are connected with a fixed plate; the fixing plate, the outer strip-shaped plate and the middle connecting plate are surrounded to form a triangular area; a reticular structure is arranged in the triangular region; the mesh openings of the reticular structure are clamped with drug carriers.
On the basis of the scheme and as a preferable scheme of the scheme, the mesh structure is made of molybdenum-rhenium alloy and is integrally formed with the bone fracture plate body; the medicine carrier is made of silicon rubber.
The beneficial effects of the utility model are as follows: the bone fracture plate body is made of molybdenum-rhenium alloy, so that the bone fracture plate has higher mechanical properties such as strength, ductility, hardness, fatigue resistance and the like, and has excellent biocompatibility and very low MRI influence. The bone fracture plate has the advantages that the bone fracture plate is high in universality due to the structure and the light and thin size, the shape, the angle and the position can be adjusted and contoured according to different actual demands of patients, the bone fracture plate can be more applied to different wound positions through adjustment and adaptation, and the requirements of mechanical properties and healing can be better met. By arranging the countersunk head screw holes on the bone fracture plate, the screw heads are prevented from protruding out of the bone fracture plate, and damage to human tissues is avoided. Simultaneously, the thinner incision with lower size is helpful for relieving the pain of patients and promoting the wound to recover and heal as soon as possible. Drainage holes are formed in the bone fracture plate, so that a doctor can conveniently conduct drainage operation. The bone fracture plate body is provided with a reticular structure and is clamped into a medicine carrier, so that the bone fracture plate can carry medicine to promote the rehabilitation of patients; because the medicine carrier is clamped in the mesh holes of the mesh structure, the kind of medicine, the clamping positions and the clamping quantity can be specifically selected according to the wound in practice, and the medicine can be flexibly used according to symptoms.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. an outer strip plate; 2. the middle part is connected with a plate; 3. countersunk head screw holes; 4. a strip-shaped connecting plate; 5. drainage holes; 6. a fixing plate; 7. a mesh structure; 8. a pharmaceutical carrier.
Detailed Description
The utility model will be further described with reference to the drawings and specific examples.
As shown in fig. 1, a molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate comprises: a bone plate body; the bone fracture plate body is made of molybdenum-rhenium alloy and comprises two outer side strip plates 1 and two middle connecting plates 2; the end parts of the two middle connecting plates 2 are connected to form a V-shaped structure; the ends of the two outer side strip-shaped plates 1 are respectively and fixedly connected to two ends of the V-shaped structure to form an M-shaped structure.
The side edges of the outer side strip plates 1 are concave cambered surface curves, so that a structure with large ends and small middle parts is formed.
Furthermore, countersunk head screw holes 3 are arranged at the turning parts and the two end parts of the M-shaped structure so as to fix the bone fracture plate body by screws. Preferably, the countersunk head screw hole 3 is a round countersunk head hole, so that the shadow of the screw head can be hidden, and the screw head is prevented from protruding out of the bone plate, so that the damage to human tissues is avoided.
The two ends of the V-shaped structure are connected with a strip-shaped connecting plate 4, and a closed triangular drainage hole 5 is formed by the strip-shaped connecting plate 4 and the two middle connecting plates 2, so that a doctor can conduct drainage operation.
The side edges of the strip-shaped connecting plates 4 are concave cambered surface curves, so that the strip-shaped connecting plates 4 are of a structure with wide ends and narrow middle parts.
Specifically, the outer strip-shaped plate 1, the middle connecting plate 2 and the strip-shaped connecting plate 4 are integrally formed and are made of molybdenum-rhenium alloy materials. Molybdenum-rhenium alloy is molybdenum-based molybdenum alloy with 2% -5% of rhenium added. The rhenium is added with molybdenum, so that the plasticity of the molybdenum can be improved, and the strength of the molybdenum can be improved, and the molybdenum belongs to solid solution strengthening alloy. The molybdenum-rhenium alloy bone plate body is lighter and thinner than the titanium alloy bone plate, has better universality, has excellent biocompatibility and very low MRI influence, and can avoid the occurrence of artifacts which can interfere the judgment of doctors on soft tissues in and after the operation.
Further, the outer side strip-shaped plate 1 with V-shaped structure point is connected with fixed plate 6, fixed plate 6 with outer side strip-shaped plate 1 with middle part link plate 2 is around forming the triangle area, be provided with mesh structure 7 in the triangle area, the joint has medicine carrier 8 in the mesh of mesh structure 7, makes the bone fracture plate have the function of carrying release medicine, can accelerate patient's recovery. Specifically, the number of the fixing plates 6 is two, and the two fixing plates correspond to the two outer side strip-shaped plates 1 respectively.
Preferably, the mesh structure 7 is made of molybdenum-rhenium alloy, and is integrally formed with the bone plate body, and the drug carrier 8 is made of silicone rubber. In practice, the type and the quantity of the self-defined medicaments can be defined according to the wounds of patients, and the positions of the self-defined medicament carriers 8 clamped into the meshes and the clamped quantity can realize the synchronous action of multiple medicaments and improve the rehabilitation speed. Wherein, the drug carrier 8 made of silicone rubber is manually clamped into the mesh holes according to the information of the wound before implantation.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (7)
1. A molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate, comprising: a bone plate body; the bone fracture plate body is made of molybdenum-rhenium alloy and comprises two outer side strip-shaped plates (1) and two middle connecting plates (2); the end parts of the two middle connecting plates (2) are connected to form a V-shaped structure; the ends of the two outer side strip-shaped plates (1) are respectively and fixedly connected to two ends of the V-shaped structure to form an M-shaped structure;
countersunk head screw holes (3) are formed in the turning positions and the two end parts of the M-shaped structure;
a strip-shaped connecting plate (4) is connected between two end parts of the V-shaped structure, and a closed triangular drainage hole (5) is formed by the strip-shaped connecting plate and the two middle connecting plates (2).
2. The molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate according to claim 1, wherein the lateral side of the outer strip-shaped plate (1) is a concave cambered surface curve.
3. The molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate according to claim 1, wherein the side edge of the strip-shaped connecting plate (4) is a concave cambered surface curve.
4. The molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate according to claim 1, wherein the outer strip plate (1), the middle connecting plate (2) and the strip connecting plate (4) are integrally formed.
5. The molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate according to claim 1, wherein the countersunk screw holes (3) are circular with countersunk holes.
6. The molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate according to claim 1, wherein the outer strip plate (1) and the V-shaped structural tip are connected with a fixing plate (6); the fixing plate (6), the outer strip-shaped plate (1) and the middle connecting plate (2) surround to form a triangular area; a mesh structure (7) is arranged in the triangular region; the mesh openings of the mesh structure (7) are clamped with a drug carrier (8).
7. The molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate according to claim 6, wherein the mesh structure (7) is made of molybdenum-rhenium alloy and is integrally formed with the bone plate body; the medicine carrier (8) is made of silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320478963.7U CN219397533U (en) | 2023-03-06 | 2023-03-06 | Molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320478963.7U CN219397533U (en) | 2023-03-06 | 2023-03-06 | Molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate |
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| CN219397533U true CN219397533U (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320478963.7U Active CN219397533U (en) | 2023-03-06 | 2023-03-06 | Molybdenum-rhenium alloy M-shaped craniomaxillofacial bone plate |
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| CN (1) | CN219397533U (en) |
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- 2023-03-06 CN CN202320478963.7U patent/CN219397533U/en active Active
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