CN211583448U - Mandibular condyle fracture fixing plate - Google Patents
Mandibular condyle fracture fixing plate Download PDFInfo
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- CN211583448U CN211583448U CN201922120989.0U CN201922120989U CN211583448U CN 211583448 U CN211583448 U CN 211583448U CN 201922120989 U CN201922120989 U CN 201922120989U CN 211583448 U CN211583448 U CN 211583448U
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Abstract
The utility model discloses a mandibular condyle fracture fixing plate, which comprises a first fixing plate, a second fixing plate and a third fixing plate which are sequentially connected into a ring; a first opening is formed at the joint of the first fixing plate and the second fixing plate, a second opening is formed at the joint of the first fixing plate and the third fixing plate, and a third opening is formed at the joint of the second fixing plate and the third fixing plate; the mandibular condyle fracture fixing plate is connected to a bone through the first opening, the second opening, and the third opening. The utility model provides a mandibular condyle fracture fixed plate can expose in the limited, fracture fixed region limited condition at the fracture, realizes that reliable connection is fixed between mandibular condyle and the mandibular main part.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to mandibular condyle fracture fixing plate.
Background
In a mandibular condyle fracture surgery, a fixing plate is often installed at a fracture position of the mandibular condyle to fixedly couple the mandibular condyle and the mandibular body.
The common fixing plates for fixing the mandibular condyle are generally in a strip-shaped structure, if the fracture part of the mandibular condyle is relatively close to the upper part and the area of the fracture fixing part is relatively limited, there is not enough space for placing two strip-shaped fixing plates, and generally, when the condyle fracture usually needs to install two fixing plates crossing over the fracture line, the mandibular condyle main body and the mandibular condyle can be reliably connected and fixed, so that the difficulty and time for performing the operation are increased, and the complications caused by the operation can be increased.
The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mandibular condyle fracture fixed plate, aims at improving the structure of mandibular condyle fracture fixed plate, in the limited condition of fracture fixed area, realizes reliable connection between mandibular condyle and the mandibular main part and fixes.
In order to achieve the purpose, the utility model provides a mandibular condyle fracture fixing plate, which comprises a first fixing plate, a second fixing plate and a third fixing plate which are sequentially connected into a ring;
a first opening is formed at the joint of the first fixing plate and the second fixing plate, a second opening is formed at the joint of the first fixing plate and the third fixing plate, and a third opening is formed at the joint of the second fixing plate and the third fixing plate;
the mandibular condyle fracture fixing plate is connected to a bone through the first opening, the second opening, and the third opening.
In an embodiment of the present invention, the first fixing plate, the second fixing plate and the third fixing plate are integrally formed;
and/or, the first fixed plate, the second fixed plate and the third fixed plate are all arranged in a long strip shape, and the first fixed plate, the second fixed plate and the third fixed plate are sequentially connected to form a triangular ring.
In an embodiment of the present invention, an included angle between the second fixing plate and the third fixing plate is defined as α, and α < 90 °.
In an embodiment of the present invention, the length of the first fixing plate is smaller than the length of the second fixing plate;
and/or the length of the first fixing plate is smaller than that of the third fixing plate;
and/or the length of the second fixing plate is equal to that of the third fixing plate.
In an embodiment of the present invention, the mandibular condyle fracture fixing plate further includes a fourth fixing plate connected to a junction of the second fixing plate and the third fixing plate;
the fourth fixing plate is provided with a fourth opening, and the fourth fixing plate is connected with the skeleton through the fourth opening.
In an embodiment of the present invention, the width of the fourth fixing plate is greater than the width of any one of the first fixing plate, the second fixing plate and the third fixing plate.
In an embodiment of the present invention, a fourth protruding portion is formed at an end of the fourth fixing plate away from the second fixing plate, and the fourth protruding portion is opened at the fourth hole.
In an embodiment of the present invention, the fourth fixing plate is disposed in a rectangular shape, and the second fixing plate and the third fixing plate are symmetrically disposed along a central line of the fourth fixing plate.
In an embodiment of the present invention, a straight line defining a center of the second opening and a center line of the fourth opening is L, and the first opening and the third opening are symmetrically disposed along the straight line L.
In an embodiment of the present invention, a first protrusion is formed at a connection portion of the first fixing plate and the second fixing plate, and the first opening is formed in the first protrusion;
and/or a second convex part is formed at the joint of the first fixing plate and the third fixing plate, and the second opening is formed in the second convex part;
and/or a third convex part is formed at the joint of the second fixing plate and the third fixing plate, and the third opening is formed in the third convex part.
The utility model discloses technical scheme is through making first fixed plate, second fixed plate and third fixed plate connect gradually and become the ring, offers first trompil in the junction of first fixed plate and second fixed plate, offers the second trompil in the junction of first fixed plate and third fixed plate, offers the third trompil in the junction of second fixed plate and third fixed plate, and wherein, first trompil, second trompil and third trompil all are used for the installation and fix mandibular condyle fracture fixed plate. Therefore, one end of the mandibular condyle fracture fixing plate can be fixed on the mandibular condyle through the matching of the screw and any opening, the other end of the mandibular condyle fracture fixing plate can be fixed on the mandibular condyle through the matching of the screw and the remaining two openings, and the first opening, the second opening and the third opening are arranged in a non-parallel manner, so that the mandibular condyle and the mandibular condyle can be reliably and stably connected and fixed under the conditions that the fracture exposure is limited and the mandibular condyle fixing area is limited.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of the mandibular condyle fracture fixing plate of the present invention;
fig. 2 is a schematic structural view of the mandibular condyle fracture fixing plate in fig. 1 in cooperation with a mandibular condyle of a human body.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. Throughout this document, "and/or" is meant to include three juxtaposed aspects, exemplified by "A and/or B," including either the A aspect, or the B aspect, or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a mandibular condyle fracture fixing plate for mandibular condyle 9 fracture operation is connected the mandibular condyle and is fixed with the mandibular main part.
In the embodiment of the present invention, referring to fig. 1 and combining with fig. 2, the mandibular condyle fracture fixing plate includes a first fixing plate 1, a second fixing plate 2 and a third fixing plate 3 which are sequentially connected to form a ring; a first opening 5 is formed at the joint of the first fixing plate 1 and the second fixing plate 2, a second opening 6 is formed at the joint of the first fixing plate 1 and the third fixing plate 3, and a third opening 7 is formed at the joint of the second fixing plate 2 and the third fixing plate 3; the mandibular condyle fracture fixing plate is connected to the bone through the first opening 5, the second opening 6 and the third opening 7.
In the present embodiment, when the mandibular condyle 9 is fractured, the fracture cut 91 is generated on the mandibular condyle 9, which causes the mandibular condyle 9 to separate from the mandibular main body, and it is necessary to connect the mandibular condyle 9 and the mandibular main body by crossing the fracture cut 91 through the mandibular condyle fracture fixing plate and simultaneously connecting the mandibular condyle 9 and the mandibular main body to fix the mandibular condyle 9 to the mandibular main body. Generally, in order to facilitate the operation, the mandibular condyle fracture fixing plate is mounted on the lateral surfaces of the mandibular condyle main body and the mandibular condyle 9, and is mounted and fixed on the bone mainly by screws, bolts, etc. to ensure the connection between the mandibular condyle fracture fixing plate and the bone to be stable and reliable.
The first fixing plate 1, the second fixing plate 2 and the third fixing plate 3 may be made of titanium so as to have good adaptability to human tissues and not to cause rejection reaction. The first fixing plate 1, the second fixing plate 2 and the third fixing plate 3 are connected end to form a ring. The first fixing plate 1, the second fixing plate 2, and the third fixing plate 3 may be integrally formed to enhance the overall structural strength of the mandibular condyle 9. Of course, the first fixing plate 1, the second fixing plate 2, and the third fixing plate 3 may be formed separately and then connected by laser welding or the like, which is not limited herein.
The first opening 5 is formed in the joint of the first fixing plate 1 and the second fixing plate 2, the second opening 6 is formed in the joint of the first fixing plate 1 and the third fixing plate 3, and the third opening 7 is formed in the joint of the second fixing plate 2 and the third fixing plate 3. The mandibular condyle fracture fixation plate may be fixed to the bone by screws or bolts or the like in cooperation with the first, second and third openings 5, 6, 7. When the mandibular condyle fracture fixing plate is used, one end of the mandibular condyle fracture fixing plate can be fixed on one side of the fracture cut 91, namely on the mandibular condyle 9, by matching screws, bolts and the like with the second opening 6; and the other end of the mandibular condyle fracture fixing plate is fixed on the other side of the fracture cut 91, namely on the mandibular body, by screws, bolts, etc. in cooperation with the first opening 5 and the third opening 7. Therefore, the mandibular condyle fracture fixing plate is not only connected with the mandibular condyle 9 and the mandibular main body, but also forms a fixed fulcrum on the mandibular condyle 9 through the matching of screws, bolts and the like with the first opening 5, the second opening 6 and the third opening 7, forms two fixed fulcrums on the mandibular main body, and the three fixed fulcrums determine a plane, thereby effectively preventing the mandibular condyle fracture fixing plate from rotating after being installed on the bone.
In the scheme of the embodiment, the first fixing plate 1, the second fixing plate 2 and the third fixing plate 3 are sequentially connected to form a ring, the first opening 5 is formed at the joint of the first fixing plate 1 and the second fixing plate 2, the second opening 6 is formed at the joint of the first fixing plate 1 and the third fixing plate 3, and the third opening 7 is formed at the joint of the second fixing plate 2 and the third fixing plate 3, wherein the first opening 5, the second opening 6 and the third opening 7 are all used for installing and fixing a mandibular condyle fracture fixing plate. Therefore, one end of the mandibular condyle fracture fixing plate can be fixed on the mandibular condyle 9 through the matching of the screw and any opening, the other end of the mandibular condyle fracture fixing plate can be fixed on the mandibular condyle body through the matching of the screw and the remaining two openings, and the first opening 5, the second opening 6 and the third opening 7 are arranged in a non-parallel manner, so that the mandibular condyle 9 and the mandibular condyle body can be reliably and stably connected and fixed under the conditions that the fracture exposure is limited and the mandibular condyle fixing area is limited.
In an embodiment of the present invention, referring to fig. 1 and combining with fig. 2, the first fixing plate 1, the second fixing plate 2 and the third fixing plate 3 are an integrally formed structure; and/or, the first fixing plate 1, the second fixing plate 2 and the third fixing plate 3 are all arranged in a strip shape, and the first fixing plate 1, the second fixing plate 2 and the third fixing plate 3 are sequentially connected to form a triangular ring.
In this embodiment, the first fixing plate 1, the second fixing plate 2, and the third fixing plate 3 are integrally formed, so that the overall structural strength of the mandibular condyle 9 can be enhanced, and a more stable and reliable connection fixing effect between the mandibular condyle 9 and the mandibular main body can be realized.
And when first fixed plate 1, second fixed plate 2 and third fixed plate 3 are rectangular shape setting, and first fixed plate 1, second fixed plate 2 and third fixed plate 3 connect gradually and form a triangle-shaped ring when, because the structural stability of triangle-shaped on biomechanics is favorable to promoting the structural stability and the support intensity of mandible condyle fracture fixed plate to promote the reliability of the connection fixation of mandible condyle 9 and mandible main part.
In an embodiment of the present invention, as shown in fig. 1, an included angle between the second fixing plate 2 and the third fixing plate 3 is defined as α, and α < 90 °.
In this embodiment, when the included angle between the second fixing plate 2 and the third fixing plate 3 is an acute angle, the outward opening angle of the second fixing plate 2 and the third fixing plate 3 can be made smaller, so that the overall width and the volume of the mandibular condyle fracture fixing plate can be reduced, and the installation difficulty of the mandibular condyle fracture fixing plate and the size of the surgical incision and the surgical field in the mandibular condyle 9 fracture surgery can be reduced.
In an embodiment of the present invention, as shown in fig. 1, the length of the first fixing plate 1 is smaller than the length of the second fixing plate 2; and/or the length of the first fixing plate 1 is less than that of the third fixing plate 3; and/or the length of the second fixing plate 2 is equal to the length of the third fixing plate 3.
In this embodiment, since the first fixing plate 1 largely determines the width of the mandibular condyle fracture fixing plate, the length of the first fixing plate 1 is limited to be smaller than the lengths of the second fixing plate 2 and the third fixing plate 3, and the width of the mandibular condyle fracture fixing plate is also smaller, which is beneficial to reducing the overall width and volume of the mandibular condyle fracture fixing plate, and reducing the installation difficulty of the mandibular condyle fracture fixing plate and the size of the surgical incision and the surgical field in the mandibular condyle 9 fracture surgery.
When the length of the second fixing plate 2 is equal to that of the third fixing plate 3, from the aspect of biomechanics, the structural stability of the mandibular condyle fracture fixing plate and the stress balance on the second fixing plate 2 and the third fixing plate 3 can be further improved, and the stability of the mandibular condyle fracture fixing plate in the process of connecting and fixing the mandibular condyle and the mandibular main body is ensured.
In an embodiment of the present invention, referring to fig. 1 and fig. 2, the mandibular condyle fracture fixation plate further includes a fourth fixation plate 4, and the fourth fixation plate 4 is connected to a joint of the second fixation plate 2 and the third fixation plate 3; the fourth fixing plate 4 is provided with a fourth opening 8, and the fourth fixing plate 4 is connected with the bone through the fourth opening 8.
In this embodiment, the fourth fixing plate 4 may be made of titanium, one end of the fourth fixing plate is connected to the joint of the second fixing plate 2 and the third fixing plate 3, and a fourth opening 8 is formed in one end of the fourth fixing plate 4 far away from the second fixing plate 2. The fourth fixing plate 4 can be fixed on the bone by screws, bolts, etc. matching with the fourth opening 8.
When the mandibular condyle fracture fixing plate is used, one end of the mandibular condyle fracture fixing plate can be fixed on one side of the fracture cut mark 91, namely on the mandibular condyle 9, through the matching of screws, bolts and the like with the second opening 6 and the fourth opening 8; and the other end of the mandibular condyle fracture fixing plate is fixed on the other side of the fracture cut 91, namely on the mandibular body, by screws, bolts, etc. in cooperation with the first opening 5 and the third opening 7. Therefore, the mandibular condyle fracture fixing plate is not only connected with the mandibular condyle 9 and the mandibular main body, but also forms two fixing fulcrums on the mandibular condyle 9 and two fixing fulcrums on the mandibular condyle main body through the matching of screws, bolts and the like with the first opening 5, the second opening 6, the third opening 7 and the fourth opening 8, thereby effectively preventing the mandibular condyle fracture fixing plate from rotating after being installed on the bone. Therefore, the reliability of the mandibular condyle fracture fixing plate in connecting and fixing the mandibular condyle 9 and the mandibular main body is further improved.
In an embodiment of the present invention, referring to fig. 1 and fig. 2, the width of the fourth fixing plate 4 is greater than the width of any one of the first fixing plate 1, the second fixing plate 2 and the third fixing plate 3.
In this embodiment, when the mandibular condyle fracture fixing plate is actually installed, the fourth fixing plate 4 can be installed on the mandibular condyle 9 by screws or bolts matching with the second opening 6 and the fourth opening 8, because the mandibular condyle 9 is relatively slender, and when the width of the fourth fixing plate 4 is greater than the width of any one of the first fixing plate 1, the second fixing plate 2 and the third fixing plate 3, the contact area between the fourth fixing plate 4 and the mandibular condyle 9 can be increased as much as possible, so as to increase the connection and fixation stability between the mandibular condyle 9 and the mandibular body as much as possible.
In an embodiment of the present invention, as shown in fig. 1, a fourth protrusion 41 is formed at an end of the fourth fixing plate 4 away from the second fixing plate 2, and the fourth opening 8 is opened at the fourth protrusion 41.
In the present embodiment, when the aperture of the fourth opening 8 is designed to be larger, the fourth opening 8 can be matched with a thicker screw or bolt, which is beneficial to more stable installation and fixation between the mandibular condyle fracture fixing plate and the mandibular condyle 9. However, in order to reduce the material waste and the volume of the mandibular condyle fracture fixation plate as much as possible, the width of the fourth fixation plate 4 should be reduced as much as possible, so that on the premise of ensuring that the fourth fixation plate 4 has sufficient connection and support strength, a fourth protrusion 41 is disposed at one end of the fourth fixation plate 4 away from the second fixation plate 2, and then a fourth opening 8 with a relatively large aperture is formed in the fourth protrusion 41, so as to satisfy both the structural strength of the fourth fixation plate 4 itself and the requirement of sufficient stability in mounting and fixing the fourth fixation plate 4.
In other embodiments, the outer edge of the fourth protrusion 41 is further provided with a cambered surface, so that the outer edge of the fourth protrusion 41 is smooth enough, and the corner structure is not generated, which may damage human tissues.
In an embodiment of the present invention, as shown in fig. 1, the fourth fixing plate 4 is disposed in a strip shape, and the second fixing plate 2 and the third fixing plate 3 are symmetrically disposed along a central line of the fourth fixing plate 4.
In this embodiment, the fourth fixing plate 4 is connected to the second fixing plate 2 and the third fixing plate 3 at the same time, and the second fixing plate 2 and the third fixing plate 3 are symmetrically arranged along the central line of the fourth fixing plate 4, so that the torque between the second fixing plate 2 and the fourth fixing plate 4 is equivalent to the torque between the third fixing plate 3 and the fourth fixing plate 4, the structural stability of the mandibular condyle fracture fixing plate is further improved, and the balance of the stress on the second fixing plate 2 and the third fixing plate 3 is favorable for improving the connection and fixation stability of the mandibular condyle 9 and the mandibular main body through the mandibular condyle fracture fixing plate
In an embodiment of the present invention, as shown in fig. 1, a straight line where a line connecting the center of the second opening 6 and the center of the fourth opening 8 is defined as L, and the first opening 5 and the third opening 7 are symmetrically disposed along the straight line L.
In this embodiment, because the first opening 5, the second opening 6, the third opening 7, and the fourth opening 8 are all used for matching screws or screws to install and fix the mandibular condyle fracture fixation plate, when the first opening 5 and the third opening 7 are symmetrically arranged along the straight line where the central connecting line of the second opening 6 and the fourth opening 8 is located, the stress on the screws matched with the first opening 5 and the third opening 7 is equivalent, and the problems of unbalanced stress on the screws or screws and loosening of the screws or screws are not easy to occur.
In an embodiment of the present invention, as shown in fig. 1, a first protrusion 12 is formed at a connection portion of the first fixing plate 1 and the second fixing plate 2, and the first opening 5 is opened at the first protrusion 12; and/or a second convex part 13 is formed at the joint of the first fixing plate 1 and the third fixing plate 3, and the second opening 6 is opened on the second convex part 13; and/or a third convex part 23 is formed at the joint of the second fixing plate 2 and the third fixing plate 3, and the third opening 7 is opened in the third convex part 23.
In the present embodiment, when the apertures of the first opening 5, the second opening 6 and the third opening 7 are designed to be relatively large, the openings can be matched with relatively thick screws or bolts, which is beneficial to more stable installation and fixation between the mandibular condyle fracture fixing plate and the mandibular condyle 9. However, the widths of the first, second and third fixing plates 1, 2 and 3 should be reduced as much as possible for the purpose of reducing the waste of material and reducing the volume of the mandibular condylar fracture fixing plate as much as possible. Therefore, on the premise of ensuring that the first fixing plate 1, the second fixing plate 2 and the third fixing plate 3 have sufficient connection and support strength, the first convex portion 12 is arranged at the joint of the first fixing plate 1 and the second fixing plate 2, and then the first convex portion 12 is provided with the first opening 5 with a relatively large aperture, so that the requirement that the first fixing plate 1 and the second fixing plate 2 are sufficiently and stably installed and fixed is met while the first fixing plate 1 and the second fixing plate 2 have sufficient structural strength. Similarly, the second protrusion 13 is arranged to satisfy the requirement of sufficient stability in mounting and fixing the first fixing plate 1 and the third fixing plate 3 while the first fixing plate 1 and the third fixing plate 3 have sufficient structural strength; the third protrusion 23 is provided to satisfy the requirement of sufficient stability in mounting and fixing the second fixing plate 2 and the third fixing plate 3 while the second fixing plate 2 and the third fixing plate 3 have sufficient structural strength.
In other embodiments, the first opening 5, the second opening 6, the third opening 7 and the fourth opening 8 have the same aperture size, and the first opening 5, the second opening 6, the third opening 7 and the fourth opening 8 have the same aperture size, so that the procedure and cost for forming the openings with different apertures on the mandibular condyle fracture fixing plate can be saved. Meanwhile, the structure strength and the stress of the mandibular condyle fracture fixing plate at each opening are relatively balanced.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The mandibular condyle fracture fixing plate is characterized by comprising a first fixing plate, a second fixing plate and a third fixing plate which are sequentially connected into a ring;
a first opening is formed at the joint of the first fixing plate and the second fixing plate, a second opening is formed at the joint of the first fixing plate and the third fixing plate, and a third opening is formed at the joint of the second fixing plate and the third fixing plate;
the mandibular condyle fracture fixing plate is connected to a bone through the first opening, the second opening, and the third opening.
2. The mandibular condyle fracture fixation plate of claim 1, wherein said first fixation plate, said second fixation plate, and said third fixation plate are integrally formed structures;
and/or, the first fixed plate, the second fixed plate and the third fixed plate are all arranged in a long strip shape, and the first fixed plate, the second fixed plate and the third fixed plate are sequentially connected to form a triangular ring.
3. The mandibular condyle fracture fixation plate of claim 1, wherein the angle between the second fixation plate and the third fixation plate is defined as α, α < 90 °.
4. The mandibular condyle fracture fixation plate of claim 1, wherein the length of said first fixation plate is less than the length of said second fixation plate;
and/or the length of the first fixing plate is smaller than that of the third fixing plate;
and/or the length of the second fixing plate is equal to that of the third fixing plate.
5. The mandibular condyle fracture fixation plate of any one of claims 1 to 4, further comprising a fourth fixation plate connected to the junction of the second fixation plate and the third fixation plate;
the fourth fixing plate is provided with a fourth opening, and the fourth fixing plate is connected with the skeleton through the fourth opening.
6. The mandibular condyle fracture fixation plate of claim 5, wherein a width of the fourth fixation plate is greater than a width of any of the first, second, and third fixation plates.
7. The mandibular condyle fracture fixing plate of claim 5, wherein a fourth convex portion is formed at an end of the fourth fixing plate remote from the second fixing plate, and the fourth opening is opened at the fourth convex portion.
8. The mandibular condyle fracture fixation plate of claim 7, wherein said fourth fixation plate is elongated and said second fixation plate and said third fixation plate are symmetrically disposed along a midline of said fourth fixation plate.
9. The mandibular condyle fracture fixing plate of claim 7, wherein a line connecting the center of said second opening and the center of said fourth opening is defined as L, and said first opening and said third opening are symmetrically disposed along the line L.
10. The mandibular condyle fracture fixing plate of any one of claims 1 to 4, wherein a first convex portion is formed at a junction of the first fixing plate and the second fixing plate, and the first opening is opened at the first convex portion;
and/or a second convex part is formed at the joint of the first fixing plate and the third fixing plate, and the second opening is formed in the second convex part;
and/or a third convex part is formed at the joint of the second fixing plate and the third fixing plate, and the third opening is formed in the third convex part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922120989.0U CN211583448U (en) | 2019-11-29 | 2019-11-29 | Mandibular condyle fracture fixing plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922120989.0U CN211583448U (en) | 2019-11-29 | 2019-11-29 | Mandibular condyle fracture fixing plate |
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| CN211583448U true CN211583448U (en) | 2020-09-29 |
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| CN201922120989.0U Active CN211583448U (en) | 2019-11-29 | 2019-11-29 | Mandibular condyle fracture fixing plate |
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Effective date of registration: 20210719 Address after: 100044 12th floor, 22 Zhongguancun South Street, Haidian District, Beijing Patentee after: An Jingang Address before: Room 620, yard 122, Mafang village, Nankou Town, Changping District, Beijing 102200 Patentee before: Beijing Chuangming future technology development Co.,Ltd. |