CN113456205B - Disc type wrist joint fusion bone plate and using method thereof - Google Patents
Disc type wrist joint fusion bone plate and using method thereof Download PDFInfo
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- CN113456205B CN113456205B CN202110726469.3A CN202110726469A CN113456205B CN 113456205 B CN113456205 B CN 113456205B CN 202110726469 A CN202110726469 A CN 202110726469A CN 113456205 B CN113456205 B CN 113456205B
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- mounting hole
- hole
- bone plate
- fixing
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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
Abstract
The invention relates to the technical field of medical instruments, and provides a disc type wrist joint fusion bone plate and a using method thereof. The bone fusion plate comprises a disc type fusion bone plate, wherein an anti-falling screw hole is formed in the center of the disc type fusion bone plate, and a first mounting hole, a second mounting hole, a third mounting hole and a fourth mounting hole are formed in the periphery of the anti-falling screw hole at intervals of 90 degrees; the centers of the first mounting hole and the third mounting hole are symmetrical about the center of the anti-falling screw hole, and the centers of the second mounting hole and the fourth mounting hole are symmetrical about the center of the anti-falling screw hole; the second mounting hole, the third mounting hole and the fourth mounting hole are all three hole-shaped structures which are connected in an oval shape, and the first mounting hole is a round hole. The invention has the beneficial effects that: the plurality of oval scallop-shaped fixing holes can realize the adjustment of each angle of the fixing screw, thereby facilitating the operation and increasing the use flexibility of the fusion bone plate; the circular first fixing hole can accurately determine the fixing position.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a disc type wrist joint fusion bone plate and a using method thereof.
Background
The bone fracture plate is a plate-shaped fracture internal fixation device with holes. The bone fracture plate is usually used together with bone screws or bone fracture wires in clinic, and is divided into two types of common bone fracture plates and pressurizing bone fracture plates, and can be made into strip shapes, Y shapes, L shapes, T shapes and the like according to different purposes.
Chinese patent CN209884297U discloses a wrist locking bone fracture plate convenient to fix, which comprises a bone fracture plate, a first fixing lug is installed on the left side of the bone fracture plate, a first mounting hole is opened on the surface of the first fixing lug, a guide hole is opened on the middle surface of the bone fracture plate, a first lightening hole is opened on the left side of the guide hole, and a second lightening hole is opened on the right side of the guide hole. The flange face has been set up, enable fixing bolt to play the effect of auto-lock, it is not hard up to prevent fixing bolt, thereby the stability of coaptation board has been improved, the U type mounting hole has been set up, the angle of the coaptation board is finely tuned to convenient main treatment doctor, avoided hindering the condition emergence of treatment time because of hole site deviation influences the installation of coaptation board, the lightening hole has been set up, avoided because of the coaptation board is overweight, influence patient's daily life, the guiding hole has been set up, make things convenient for main treatment doctor to adjust the angle of coaptation board, select the optimal position installation, thereby patient's recovered speed is improved.
However, the prior art still has the following defects: (1) when the bone fixing device is implanted, the fixing position needs to be adjusted according to the condition of individual bones, the mounting hole of the fixing position influences the selection of the optimal fixing position, the operation difficulty is increased, and the operation time of a doctor is prolonged; the bone fracture plate is fixed in shape and is difficult to be suitable for patients with joint deformity at the wrist; (2) the bone fracture plate is fixed on the surface of the wrist joint, the surface of the bone fracture plate is higher than the surrounding joint surface, and steps are generated, so that the surrounding tissues can possibly generate anisotropic reaction on the bone fracture plate, and the postoperative rehabilitation effect is influenced; (3) when the bone fracture plate is fixed, only one guide hole is formed, the temporary stable structure of the bone fracture plate cannot be provided, and the position of the bone fracture plate is easy to shift in the process of drilling and screwing in a bolt, so that the operation effect is influenced.
Disclosure of Invention
The invention aims to provide a disc type wrist joint fusion bone plate and a using method thereof, which aim to solve the technical problems in the prior art.
In order to realize the purpose, the invention adopts the technical scheme that: a disc type wrist joint fusion bone plate comprises the following components: the disc type fusion bone plate is provided with anti-falling screw holes at the central position, and the peripheral sides of the anti-falling screw holes are respectively provided with a first mounting hole, a second mounting hole, a third mounting hole and a fourth mounting hole which are arranged at the central interval of 90 degrees; the centers of the first mounting hole and the third mounting hole are symmetrical about the center of the anti-falling screw hole, and the centers of the second mounting hole and the fourth mounting hole are symmetrical about the center of the anti-falling screw hole; the structure of the second mounting hole, the third mounting hole and the fourth mounting hole is the same, the second mounting hole, the third mounting hole and the fourth mounting hole are all three hole-shaped structures which are connected in an oval shape, and the first mounting hole is a round hole.
In an optional embodiment, a first fixing port and a second fixing port are arranged on two sides of the second mounting hole, a third fixing port and a fourth fixing port are arranged on two sides of the third mounting hole, and a fifth fixing port and a sixth fixing port are arranged on two sides of the fourth mounting hole.
In an alternative embodiment, the second, third and fourth mounting holes are scallop-shaped holes as a whole.
In an optional embodiment, a first temporary fixing hole is disposed between the first mounting hole and the fourth mounting hole, a second temporary fixing hole is disposed between the first mounting hole and the second mounting hole, a third temporary fixing hole is disposed between the second mounting hole and the third mounting hole, and a fourth temporary fixing hole is disposed between the third mounting hole and the fourth mounting hole.
In an alternative embodiment, the disc-type fusion bone plate is generally in the shape of a bowl-like cone, and the surface of the disc-type fusion bone plate after fixation is flush with the articular surface.
In another aspect, the invention also provides a method for using the disc type wrist joint fusion bone plate, which comprises the following steps: step 1, breaking the skin and tissue of the wrist of a patient by a scalpel, making a long incision or a T-shaped incision in the longitudinal direction of the midline of the back, exposing the affected part of the patient, temporarily fixing a wrist joint by using a Kirschner wire, finding the center of the joint connection surface of the affected part by using a guide head of a conical reamer, and drilling and grinding the surface of the center to form a bowl-shaped pit with a certain depth and the size matched with that of a disc type fusion bone plate 1; step 2, placing the disc type fusion bone plate in the pit, screwing the disc type fusion bone plate into a bone plate upright post, and inserting appropriate number of Kirschner wires into the first temporary fixing hole, the second temporary fixing hole, the third temporary fixing hole and the fourth temporary fixing hole; step 3, drilling a hole with a certain depth at the first mounting hole by using a drill, screwing a fixing screw with a size matched with that of the first mounting hole, then drilling holes at the third fixing hole and the fourth fixing hole of the third mounting hole, screwing a fixing screw with a proper size, taking out the kirschner wires inserted in the first temporary fixing hole, the second temporary fixing hole, the third temporary fixing hole and the fourth temporary fixing hole after the disc type fusion bone plate is stable, and then drilling holes at the rest hole positions and screwing fixing screws; step 4, screwing all the fixing screws to ensure that a certain pressure exists between the disc type fusion bone plate and the joint surface, finally taking out the bone plate stand column, and screwing in anti-falling screws in the anti-falling screw holes to lock the surrounding fixing screws; and 5, after the disc type fusion bone plate is fixed, the suture treatment can be carried out on the patient, and the operation is completed.
In an alternative embodiment, in step 4, a single set screw cannot be tightened at one time during the screwing in of the set screw 8.
In an alternative embodiment, in step 4, the autologous bone graft is filled in the anti-falling screw hole of the disc type fusion bone plate after the bone plate upright is taken out.
The invention has the beneficial effects that:
(1) the disc type wrist joint fusion bone plate is fixed in the drilled and ground concave pit, after the optimal fixing position is determined, the concave pit only needs to be drilled and ground at the proper position, and then the fusion bone plate is placed in the concave pit, so that the optimal fixing position of the fusion bone plate is not influenced by the shape of the bone of an affected part, the operation time is shortened, the operation difficulty is reduced, and the wide applicability of the bone plate is increased; in addition, each mounting hole integrally in the scallop shape hole comprises a plurality of oval fixing ports, so that the adjustment of each angle of the fixing screw can be realized, the operation is convenient, and the use flexibility of the fusion bone plate is improved; the setting of circular first fixed orifices can accurate definite fixed position.
(2) The disc type wrist joint fusion bone plate is provided with the anti-drop screw hole and the temporary fixing hole, before the fixing screw is screwed in, the vertical column of the bone plate can be screwed in the anti-drop screw hole, the Kirschner wire can be inserted into the temporary fixing hole to form a multi-point stable fixing structure, so that the position of the fusion bone plate is kept unchanged in the subsequent drilling and fixing screw screwing-in processes, after the fixing screw is screwed, the anti-drop screw is screwed in, the peripheral fixing screw can be locked, the fixing screw is prevented from loosening, and the stability of the fusion bone plate is improved;
(3) after the disc type wrist joint fusion bone plate is fixed, the surface of the disc type wrist joint fusion bone plate is equal to the surface of a joint, so that the influence on surrounding tissues is reduced, the risk of rejection reaction is reduced, and the implantation safety of the fusion bone plate is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions 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 it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of the disc-type wrist joint fusion bone plate according to an embodiment of the invention.
Fig. 2 is a schematic structural view of an anti-loosening screw according to an embodiment of the present invention.
FIG. 3 is a first structural diagram of a disc type wrist joint fusion bone plate fixing screw according to an embodiment of the present invention.
FIG. 4 is a second structural diagram of a disc type wrist joint fusion bone plate fixing screw according to an embodiment of the present invention.
FIG. 5 is a third schematic structural diagram of a disc type wrist joint fusion bone plate fixing screw provided by an embodiment of the invention.
Wherein, the reference numbers in the figures are: the fusion bone plate comprises a disc type fusion bone plate 1, an anti-falling screw hole 2, a first mounting hole 3, a second mounting hole 4, a first fixing port 401, a second fixing port 402, a third mounting hole 5, a third fixing port 501, a fourth fixing port 502, a fourth mounting hole 6, a fifth fixing port 601, a sixth fixing port 602, an anti-falling screw 7, a fixing screw 8, a first temporary fixing hole 9, a second temporary fixing hole 10, a third temporary fixing hole 11 and a fourth temporary fixing hole 12.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
Example one
Referring to fig. 1-5, the present embodiment provides a disc-type wrist fusion bone plate, including: the disc type fusion bone plate 1 is characterized in that the whole disc type fusion bone plate 1 is in a bowl-shaped conical shape, the surface of the disc type fusion bone plate 1 after being fixed is flush with the surface of a joint, the height difference between the surface of the fusion bone plate and the surface of the joint is reduced, the rejection reaction risk is reduced, and the postoperative joint fusion is facilitated. An anti-falling screw hole 2 is arranged at the central position of the disc type fusion bone plate 1, and a first mounting hole 3, a second mounting hole 4, a third mounting hole 5 and a fourth mounting hole 6 which are arranged at the central interval of 90 degrees are respectively arranged on the peripheral side of the anti-falling screw hole 2; the centers of the first mounting hole 3 and the third mounting hole 5 are symmetrical about the center of the anti-falling screw hole 2, and the centers of the second mounting hole 4 and the fourth mounting hole 6 are symmetrical about the center of the anti-falling screw hole 2.
Specifically, the structures of the second mounting hole 4, the third mounting hole 5 and the fourth mounting hole 6 are the same, the second mounting hole 4, the third mounting hole 5 and the fourth mounting hole 6 are three hole-shaped structures connected in an oval shape, a first fixing port 401 and a second fixing port 402 are arranged on two sides of the second mounting hole 4, a third fixing port 501 and a fourth fixing port 502 are arranged on two sides of the third mounting hole 5, and a fifth fixing port 601 and a sixth fixing port 602 are arranged on two sides of the fourth mounting hole 6. Preferably, the second mounting hole 4, the third mounting hole 5 and the fourth mounting hole 6 are integrally formed into scallops, which enables a doctor to selectively screw in one or two fixing screws 8 according to the actual disease condition or wound degree of a patient, so as to fasten the disc type wrist bone fracture plate, and adjust the angles of the fixing screws 8 according to the actual condition, so as to achieve better treatment effect, as shown in fig. 4-5.
Further, the first mounting hole 3 is a circular hole, and the first mounting hole 3 is a starting hole for placing the first fixing screw 8, which determines the accuracy of placing it to fix the fixing screw 8. In addition, a first temporary fixing hole 9 is formed between the first mounting hole 3 and the fourth mounting hole 6, a second temporary fixing hole 10 is formed between the first mounting hole 3 and the second mounting hole 4, a third temporary fixing hole 11 is formed between the second mounting hole 4 and the third mounting hole 5, and a fourth temporary fixing hole 12 is formed between the third mounting hole 5 and the fourth mounting hole 6. The kirschner wires can be inserted into the four temporary fixing holes, the kirschner wires and the stand columns form a temporary multi-point stable structure, and the position of the bone fracture plate is kept unchanged when the holes are drilled and the fixing screws 8 are placed.
Finally, the anti-loosening screw 7 is of a cover-shaped structure, as shown in fig. 3, after the other fixing screws 8 are screwed in and fastened, the anti-loosening screw 7 can be screwed in, and after the other fixing screws are fastened, the cover-shaped structure can play a role in locking the other screws to prevent the other fixing screws 8 from loosening.
Example two
Referring to fig. 1-5, the present embodiment provides a method for using a disc-type wrist fusion bone plate, which includes the following steps:
step 4, screwing all the fixing screws 8, ensuring that a certain pressure exists between the disc type fusion bone plate 1 and the joint surface, and promoting the fusion of the joint, wherein a single screw cannot be screwed down at one time in the screwing-in process of the fixing screws 8, so that the stress concentration phenomenon on the joint surface is prevented, the damage to the joint surface is reduced, and all the fixing screws 8 are screwed down, ensuring that a certain pressure exists between the fusion bone plate and the joint surface, and promoting the fusion of the joint; finally, taking out the bone plate stand column, filling the autologous bone graft into the anti-falling screw hole 2 of the disc type fusion bone plate 1 after taking out the bone plate stand column, and screwing in an anti-falling screw 7 in the anti-falling screw hole 2 for locking a peripheral fixing screw 8;
and step 5, after the disc type fusion bone plate 1 is fixed, the suture treatment can be carried out on the patient, and the operation is completed. X-ray examination is carried out regularly to observe the fusion condition of the affected part.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (2)
1. A disc type wrist joint fusion bone plate comprises the following components: the fusion bone plate comprises a disc type fusion bone plate (1), wherein an anti-falling screw hole (2) is formed in the center of the disc type fusion bone plate (1), and a first mounting hole (3), a second mounting hole (4), a third mounting hole (5) and a fourth mounting hole (6) which are arranged at the center of the anti-falling screw hole (2) at intervals of 90 degrees are formed in the peripheral side of the anti-falling screw hole respectively; the centers of the first mounting hole (3) and the third mounting hole (5) are symmetrical about the center of the anti-falling screw hole (2), and the centers of the second mounting hole (4) and the fourth mounting hole (6) are symmetrical about the center of the anti-falling screw hole (2); the second mounting hole (4), the third mounting hole (5) and the fourth mounting hole (6) are identical in structure, the second mounting hole (4), the third mounting hole (5) and the fourth mounting hole (6) are all three hole-shaped structures which are connected in an oval shape, and the first mounting hole (3) is a round hole;
a first fixing port (401) and a second fixing port (402) are arranged on two sides of the second mounting hole (4), a third fixing port (501) and a fourth fixing port (502) are arranged on two sides of the third mounting hole (5), and a fifth fixing port (601) and a sixth fixing port (602) are arranged on two sides of the fourth mounting hole (6);
the second mounting hole (4), the third mounting hole (5) and the fourth mounting hole (6) are integrally scallop-shaped; the fixing device is characterized in that a first temporary fixing hole (9) is formed between the first mounting hole (3) and the fourth mounting hole (6), a second temporary fixing hole (10) is formed between the first mounting hole (3) and the second mounting hole (4), a third temporary fixing hole (11) is formed between the second mounting hole (4) and the third mounting hole (5), and a fourth temporary fixing hole (12) is formed between the third mounting hole (5) and the fourth mounting hole (6).
2. The disc-type wrist joint fusion bone plate according to claim 1, characterized in that the whole body of the disc-type fusion bone plate (1) is in a bowl-shaped conical shape, and the fixed surface of the disc-type fusion bone plate (1) is flush with the joint surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110726469.3A CN113456205B (en) | 2021-06-29 | 2021-06-29 | Disc type wrist joint fusion bone plate and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110726469.3A CN113456205B (en) | 2021-06-29 | 2021-06-29 | Disc type wrist joint fusion bone plate and using method thereof |
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| CN113456205A CN113456205A (en) | 2021-10-01 |
| CN113456205B true CN113456205B (en) | 2022-09-20 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008511421A (en) * | 2004-09-02 | 2008-04-17 | ジンテス ゲゼルシャフト ミット ベシュレンクテル ハフツング | Translational carriage mounting device |
| CN101835437A (en) * | 2007-08-20 | 2010-09-15 | 纽文思公司 | Surgical fixation system and related methods |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102293681A (en) * | 2011-08-25 | 2011-12-28 | 尚鹏 | Rotary stop type anterior cervical inner fixing device |
| CN205649539U (en) * | 2016-04-13 | 2016-10-19 | 北京贝思达生物技术有限公司 | All -round universal band wire locking hone lamella |
| US20180140312A1 (en) * | 2016-11-21 | 2018-05-24 | Arthrosurface, Inc. | Devices, apparatuses, kits, and methods for alignment guide and fusion disk |
| CN109171931A (en) * | 2018-10-10 | 2019-01-11 | 大泗医疗生物科技有限公司 | Merge lockplate and wrist fusion structure |
| CN110123433A (en) * | 2019-05-15 | 2019-08-16 | 山东新华联合骨科器材股份有限公司 | A kind of internal fixing system for anterior cervical vertebrae |
| CN213283293U (en) * | 2020-08-27 | 2021-05-28 | 天津市威曼生物材料有限公司 | Anterior cervical steel plate |
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2021
- 2021-06-29 CN CN202110726469.3A patent/CN113456205B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008511421A (en) * | 2004-09-02 | 2008-04-17 | ジンテス ゲゼルシャフト ミット ベシュレンクテル ハフツング | Translational carriage mounting device |
| CN101835437A (en) * | 2007-08-20 | 2010-09-15 | 纽文思公司 | Surgical fixation system and related methods |
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