CN111150478B - Biomedical degradable magnesium alloy bone fracture plate - Google Patents
Biomedical degradable magnesium alloy bone fracture plate Download PDFInfo
- Publication number
- CN111150478B CN111150478B CN202010002483.4A CN202010002483A CN111150478B CN 111150478 B CN111150478 B CN 111150478B CN 202010002483 A CN202010002483 A CN 202010002483A CN 111150478 B CN111150478 B CN 111150478B
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- China
- Prior art keywords
- plate
- connecting plate
- patient
- plates
- clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 208000010392 Bone Fractures Diseases 0.000 title claims abstract description 32
- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- 208000027418 Wounds and injury Diseases 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract 3
- 210000000988 bone and bone Anatomy 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 241001449342 Chlorocrambe hastata Species 0.000 claims description 3
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 239000012620 biological material Substances 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims 1
- 230000006378 damage Effects 0.000 description 6
- 208000014674 injury Diseases 0.000 description 6
- 239000003814 drug Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 208000006670 Multiple fractures Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- 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
- A61B17/8023—Variable length plates adjustable in both directions
Abstract
The invention relates to a biomedical degradable magnesium alloy bone fracture plate, which relates to the technical field of bone fracture plates and comprises substrate components and reinforcing components, wherein a plurality of substrate components are vertically connected in series, and the reinforcing components are symmetrically arranged at the left side and the right side of the substrate components; it splices the installation through the base plate subassembly of establishing ties for the coaptation board is whole to be installed according to patient's concrete wound condition, can obtain the coaptation board that accords with patient operation requirement fast, makes the patient can accept the treatment sooner, guarantees that the patient wound condition is stable.
Description
Technical Field
The invention relates to the technical field of bone fracture plates, in particular to a biomedical degradable magnesium alloy bone fracture plate.
Background
The bone fracture plate is a medical auxiliary instrument for reinforcing broken bones, and when the bone fracture plate is used, the bone fracture plate needs to be embedded into the body of a patient with fracture to support and reinforce the broken bones of the patient, so that the wound of the patient is convenient to stabilize, and the recovery speed of the patient is accelerated.
Bone fracture plate among the prior art adopts integrated into one piece's technique to cast, for the patient that adapts to different injuries, before using the bone fracture plate to treat, need carry out the customization of bone fracture plate according to patient's concrete injury, this waiting time extension before making patient's art makes patient's injury worsen easily, and the bone fracture plate among the prior art need demolish after two years time of postoperative, this makes the patient need carry out the secondary operation, needs to improve.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides a biomedical degradable magnesium alloy bone fracture plate which is reasonable in design and convenient to use.
In order to achieve the purpose, the invention adopts the technical scheme that: the reinforcing component is symmetrically arranged at the left side and the right side of the substrate component;
the base plate assembly comprises a base plate and a connecting plate, wherein the connecting plate is symmetrically and fixedly arranged on the left side and the right side of the base plate, a slot is formed in the upper end of the connecting plate, a plug board is fixedly arranged at the lower end of the connecting plate, the plug board at the lower end of the connecting plate is movably inserted into the slot at the upper end of the connecting plate adjacently arranged at the lower side, a clamping block is fixedly arranged on one side edge of the plug board, which is far away from the base plate, a clamping groove is formed in the inner side wall of one side, which is far away from the base plate, in the slot, and the clamping block is movably clamped in the clamping groove;
the reinforcement component contain pterygoid lamina, nut bolt, wherein the fixed lower extreme that keeps away from a side of bottom plate on the connecting plate that sets up of pterygoid lamina, the back lateral wall of pterygoid lamina flushes the setting with the back lateral wall of connecting plate, has seted up the bolt hole on the pterygoid lamina, nut bolt is worn to be equipped with by the downthehole activity of bolt, has seted up the spacing groove on the preceding side of the inside wall of bolt hole, nut bolt's front end inlays to be established at the spacing inslot.
Furthermore, the flashboard on the cover be equipped with the sealing washer, and the sealing washer is fixed to be set up on the lower lateral wall of connecting plate, the sealing washer clamp is established between two connecting plates of adjacent setting from top to bottom.
Further, the lower extreme rear side of connecting plate be provided with the reinforcing plate, seted up the mounting groove on the lower extreme rear side wall of connecting plate, both ends are inserted respectively in the mounting groove of the connecting plate of establishing in the left and right sides about the reinforcing plate, the fixed dog that is provided with on the preceding lateral wall of reinforcing plate, the dog supports to establish on the inside wall of connecting plate.
Furthermore, an isolation film is covered and arranged on the rear side wall of the connecting plate.
Furthermore, the connecting plate is provided with an embedding hole.
Furthermore, a filling groove is formed in the bottom plate, and a filling block is embedded in the filling groove.
The working principle of the invention is as follows: when the bone cutting device is installed, a proper number of base plate assemblies are selected according to the length of bones required to be supported by a patient, the base plate assemblies are connected in series, the upper connecting plate is inserted into the slot on the lower connecting plate through the inserting plate, when the inserting plate is inserted into the slot, the clamping block abuts against the outer side edge of the slot, the lower end phases of the connecting plates on two sides are extruded in the middle to generate elastic deformation, after the inserting plate is inserted into the slot, the clamping block is clamped into the clamping slot, the connecting plate recovers, and the inserting plate cannot be pulled out of the slot, the bottom plate and the connecting plate are covered at the broken bone of the patient, the wing plate is attached to the side wall of the bones of the patient, the nut bolt is inserted into the bolt hole on the wing plate, the nut bolt is screwed into the bones of the patient, the spearheads of the nut bolts are clamped into the limiting grooves, the mounting is completed, and the wound of the patient is sutured; within two years of the post-operation, the device placed in the patient can be completely degraded without taking out the device after the secondary operation.
After adopting the structure, the invention has the beneficial effects that:
1. the serially-arranged substrate assemblies are connected with the slots through the inserting plates, so that the bone fracture plates with proper lengths can be installed and connected according to the actual injured situation of the patient, the bone fracture plate is suitable for patients with different injuries, customization is not needed, preoperative preparation time is saved, and the patient can be treated more quickly;
2. the connecting plates connected in series are limited and fixed through the clamping blocks and the clamping grooves, and the connecting plates are fixed on the skeleton of a patient through the screw caps and the bolts, so that the number of the connecting pieces of the whole bone fracture plate is reduced, the bone fracture plate is convenient to degrade quickly, and the degraded particle residues are few.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a bottom view of fig. 1.
Fig. 3 is a sectional view a-a in fig. 1.
Fig. 4 is an enlarged view of a portion B in fig. 1.
Fig. 5 is a schematic view of a connection structure of an insert board and a slot in the present invention.
Description of reference numerals:
the device comprises a base plate component 1, a bottom plate 1-1, a connecting plate 1-2, slots 1-3, inserting plates 1-4, clamping blocks 1-5, clamping grooves 1-6, a reinforcing component 2, wing plates 2-1, bolt holes 2-2, nut bolts 2-3, limiting grooves 2-4, sealing rings 3, reinforcing plates 4, mounting grooves 5, stop blocks 6, isolating membranes 7, embedding holes 8, filling grooves 9 and filling blocks 10.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, the present embodiment includes a substrate assembly 1 and a reinforcing assembly 2, wherein the two substrate assemblies 1 are connected in series, and the reinforcing assembly 2 is symmetrically disposed on the left and right sides of the substrate assembly 1;
the base plate component 1 comprises a bottom plate 1-1 and connecting plates 1-2, wherein the left side edge and the right side edge of the bottom plate 1-1 are symmetrically and integrally formed with the connecting plates 1-2, the upper end of the connecting plate 1-2 is provided with a slot 1-3, the lower end of the connecting plate 1-2 is integrally formed with an inserting plate 1-4, the inserting plate 1-4 at the lower end of the connecting plate 1-2 is movably inserted into the slot 1-3 at the upper end of the connecting plate 1-2 adjacently arranged at the lower side, a sealing ring 3 is sleeved on the inserting plate 1-4, the sealing ring 3 is fixedly adhered to the lower side wall of the connecting plate 1-2, the sealing ring 3 is clamped between the two connecting plates 1-2 adjacently arranged at the upper side and the lower side, the sealing ring 3 fills the gap between the two connecting plates 1-2 after the inserting plate 1-4 is inserted into the slot 1-3, prevent muscle tissue from growing between the gaps of the two connecting plates 1-2 during the recovery period of the wound of a patient, a clamping block 1-5 is integrally formed on one side edge of the inserting plate 1-4 far away from the bottom plate 1-1, a clamping groove 1-6 is formed on the inner side wall of one side of the inserting groove 1-3 far away from the bottom plate 1-1, the clamping block 1-5 is movably clamped in the clamping groove 1-6, a reinforcing plate 4 is arranged on the rear side of the lower end of the connecting plate 1-2, an installing groove 5 is formed on the rear side wall of the lower end of the connecting plate 1-2, the left end and the right end of the reinforcing plate 4 are respectively inserted in the installing grooves 5 of the connecting plates 1-2 on the left side and the right side, a stop block 6 is integrally formed on the front side wall of the reinforcing plate 4, the stop block 6 is abutted on the inner side wall of the connecting plates 1-2, after the upper connecting plate 1-2 and the lower connecting plate 1-2 are connected, when the bone fracture plate is installed, the reinforcing plate 4 is abutted against the left connecting plate 1-2 and the right connecting plate 1-2, so that the two connecting plates 1-2 can be prevented from being extruded towards the middle to enable the clamping blocks 1-5 to be separated from the clamping grooves 1-6, and the connecting plates 1-2 connected up and down can be prevented from falling off;
the back side wall of the connecting plate 1-2 is covered with an adhesive and is provided with an isolating membrane 7, the isolating membrane 7 is padded between the patient bone and the connecting plate 1-2 to prevent the bone tissue from growing and adhering on the connecting plate 1-2 when the wound of the patient recovers, the connecting plate 1-2 is provided with an embedded hole 8, before the bone fracture plate wound is sutured, the embedding hole 8 is embedded with the auxiliary treatment medicine, so that the medicine is convenient to be left in the wound of a patient, the medicine is convenient to permeate the auxiliary treatment from the inside of the wound of the patient, the bottom plate 1-1 is provided with a filling groove 9, a filling block 10 is embedded in the filling groove 9, the filling block 10 is made of a quickly degradable biological material, in the early stage, the filling block 10 can enhance the strength of the bottom plate 1-1, and in the rehabilitation stage of a patient, the filling block 10 can degrade before the bottom plate 1-1, so that the overall degradation speed of the bone fracture plate is increased;
the reinforcing component 2 comprises wing plates 2-1 and nut bolts 2-3, wherein the wing plates 2-1 are integrally formed at the lower end of one side edge of the connecting plate 1-2 far away from the bottom plate 1-1, the rear side wall of the wing plates 2-1 is flush with the rear side wall of the connecting plate 1-2, the wing plates 2-1 are provided with bolt holes 2-2, the nut bolts 2-3 are movably arranged in the bolt holes 2-2 in a penetrating mode, the front side edge of the inner side wall of the bolt holes 2-2 is provided with limiting grooves 2-4, and the front ends of the nut bolts 2-3 are embedded in the limiting grooves 2-4.
The working principle of the specific embodiment is as follows: when the device is installed, a proper number of base plate assemblies 1 are selected according to the length of a bone supported by a patient, the base plate assemblies 1 are connected in series, the upper connecting plate 1-2 is inserted into a slot 1-3 on the lower connecting plate 1-2 through an inserting plate 1-4, when the inserting plate 1-4 is inserted into the slot 1-3, a clamping block 1-5 is propped against the outer side edge of the slot 1-3, the lower end phases of the connecting plates 1-2 on two sides are extruded to generate elastic deformation, after the inserting plate 1-4 is inserted into the slot 1-3, the clamping block 1-5 is clamped into a clamping slot 1-6, the connecting plate 1-2 recovers, the inserting plate 1-4 cannot be pulled out from the slot 1-3, the bottom plate 1-1 and the connecting plate 1-2 are covered at the broken bone of the patient, and the wing plate 2-1 is attached to the side wall of the bone of the patient, inserting a nut bolt 2-3 into a bolt hole 2-2 on a wing plate 2-1, screwing the nut bolt 2-3 into a bone of a patient, clamping a spearhead of the nut bolt 2-3 into a limiting groove 2-4, completing attachment, and suturing a wound of the patient; within two years of the post-operation, the device placed in the patient can be completely degraded without taking out the device after the secondary operation.
After adopting above-mentioned structure, this embodiment beneficial effect does:
1. the serially connected substrate assembly 1 is connected with the slots 1-3 through the inserting plates 1-4, so that a bone fracture plate with a proper length can be installed and connected according to the actual condition of injury of a patient, the bone fracture plate is suitable for patients with different injury conditions, customization is not needed, preoperative preparation time is saved, and the patient can be treated more quickly;
2. the serially connected connecting plates 1-2 are limited and fixed with the clamping grooves 1-6 through the clamping blocks 1-5, and the connecting plates 1-2 are fixed on the skeleton of a patient through the nut bolts 2-3, so that the number of connecting pieces of the whole bone fracture plate is reduced, the bone fracture plate is convenient to degrade quickly, and the degraded bone fracture plate has few particle residues.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (1)
1. The utility model provides a biomedical degradable magnesium alloy coaptation board which characterized in that: the reinforcing component comprises a substrate component (1) and a reinforcing component (2), wherein a plurality of substrate components (1) are arranged in series from top to bottom, and the reinforcing component (2) is symmetrically arranged at the left side and the right side of the substrate components (1);
the base plate component (1) comprises a bottom plate (1-1) and connecting plates (1-2), wherein the left side edge and the right side edge of the bottom plate (1-1) are symmetrically and fixedly provided with the connecting plates (1-2), the upper end of the connecting plate (1-2) is provided with slots (1-3), the lower end of the connecting plate (1-2) is fixedly provided with inserting plates (1-4), the inserting plates (1-4) at the lower end of the connecting plate (1-2) are movably inserted into the slots (1-3) at the upper end of the connecting plate (1-2) which is adjacently arranged at the lower side, one side edge of the inserting plate (1-4) far away from the bottom plate (1-1) is fixedly provided with clamping blocks (1-5), and the inner side wall of one side of the inserting groove (1-3) far away from the bottom plate (1-1) is provided with clamping grooves (1-6), the clamping blocks (1-5) are movably clamped in the clamping grooves (1-6);
the reinforcing component (2) comprises wing plates (2-1) and nut bolts (2-3), wherein the wing plates (2-1) are fixedly arranged at the lower end of one side edge of the connecting plate (1-2) far away from the bottom plate (1-1), the rear side walls of the wing plates (2-1) are flush with the rear side walls of the connecting plate (1-2), the wing plates (2-1) are provided with bolt holes (2-2), the nut bolts (2-3) are movably arranged in the bolt holes (2-2) in a penetrating mode, limiting grooves (2-4) are formed in the front side edges of the inner side walls of the bolt holes (2-2), and the front ends of the nut bolts (2-3) are embedded in the limiting grooves (2-4);
the plug board (1-4) is sleeved with a sealing ring (3), the sealing ring (3) is fixedly arranged on the lower side wall of the connecting board (1-2), and the sealing ring (3) is clamped between the two connecting boards (1-2) which are adjacently arranged up and down;
a reinforcing plate (4) is arranged on the rear side of the lower end of the connecting plate (1-2), an installation groove (5) is formed in the rear side wall of the lower end of the connecting plate (1-2), the left end and the right end of the reinforcing plate (4) are respectively inserted into the installation grooves (5) of the connecting plates (1-2) on the left side and the right side, a stop block (6) is fixedly arranged on the front side wall of the reinforcing plate (4), and the stop block (6) abuts against the inner side wall of the connecting plate (1-2);
an isolation film (7) is covered on the rear side wall of the connecting plate (1-2);
the connecting plate (1-2) is provided with an embedded hole (8);
the bottom plate (1-1) is provided with a filling groove (9), a filling block (10) is embedded in the filling groove (9), the filling block (10) is made of a rapidly degradable biological material, and the filling block (10) can be degraded before the bottom plate (1-1);
the working principle is as follows: when the device is installed, a proper number of base plate assemblies (1) are selected according to the length of bones required to be supported by a patient, the base plate assemblies (1) are connected in series, the upper connecting plate (1-2) is inserted into the slot (1-3) on the lower connecting plate (1-2) through the inserting plate (1-4), when the inserting plate (1-4) is inserted into the slot (1-3), the clamping block (1-5) is abutted against the outer side edge of the slot (1-3), the lower end phases of the connecting plates (1-2) on two sides are subjected to intermediate extrusion to generate elastic deformation, when the inserting plate (1-4) is inserted into the slot (1-3), the clamping block (1-5) is clamped into the clamping groove (1-6), the connecting plate (1-2) recovers, and the inserting plate (1-4) cannot be pulled out of the slot (1-3), covering a bottom plate (1-1) and a connecting plate (1-2) at a broken bone of a patient, attaching a wing plate (2-1) to the side wall of the bone of the patient, inserting a nut bolt (2-3) into a bolt hole (2-2) in the wing plate (2-1), screwing the nut bolt (2-3) into the bone of the patient, clamping a spearhead of the nut bolt (2-3) into a limiting groove (2-4), completing the attachment, and suturing a wound of the patient; within two years of the post-operation, the device placed in the patient can be completely degraded without taking out the device after the secondary operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010002483.4A CN111150478B (en) | 2020-01-02 | 2020-01-02 | Biomedical degradable magnesium alloy bone fracture plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010002483.4A CN111150478B (en) | 2020-01-02 | 2020-01-02 | Biomedical degradable magnesium alloy bone fracture plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111150478A CN111150478A (en) | 2020-05-15 |
| CN111150478B true CN111150478B (en) | 2022-04-05 |
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| CN202010002483.4A Expired - Fee Related CN111150478B (en) | 2020-01-02 | 2020-01-02 | Biomedical degradable magnesium alloy bone fracture plate |
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| Publication number | Publication date |
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| CN111150478A (en) | 2020-05-15 |
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