Humerus fracture setting assembly

Abstract

The utility model provides a humerus fracture setting assembly, which relates to the technical field of medical instruments and comprises a plurality of bone cement nails and a bone setting plate. An assembling part is arranged at the upper end of the bone fracture plate, multiple assembling holes penetrating through the front surface and the rear surface of the assembling part are formed in the assembling part and used for connecting the bone cement nails, and the length directions of any two assembling holes are different, so that after the multiple bone cement nails and the multiple assembling holes are correspondingly installed, the bone cement nails can be connected with the bone fracture plate. And the plurality of bone cement nails face different directions.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a humeral osteosynthesis component. Background Art

[0002] Humerus fracture is a common form of injury in orthopedic clinics and can be fixed with a bone plate. However, the existing bone plates have insufficient holding force, which can easily cause the bone plates to fall off. Utility Model Content

[0003] The utility model aims to provide a humeral bone fracture component to alleviate the technical problem that the existing humeral bone fracture plate is easy to fall off.

[0004] In a first aspect, the utility model provides a humeral osteosynthesis assembly, comprising:

[0005] Bone cement nails, the number of the bone cement nails is multiple;

[0006] A bone plate, wherein the upper end of the bone plate has an assembly portion, and the assembly portion is provided with assembly holes that penetrate the front and rear surfaces thereof, and the assembly holes are used to connect the bone cement nails. There are multiple assembly holes, and the length directions of any two of the assembly holes are different, so that after the multiple bone cement nails are installed correspondingly to the multiple assembly holes, the multiple bone cement nails face different directions.

[0007] Furthermore, a coordinate system is established with the midpoint of the front face of the assembly portion as the origin, the width direction of the front face of the assembly portion as the x-axis, and the length direction as the y-axis, and each quadrant of the coordinate system has at least one assembly hole.

[0008] Furthermore, the included angles between any two of the assembly holes and the front face of the assembly portion are different;

[0009] And / or, the projections of the extended lines of the central axes of any two of the assembly holes on the front face of the assembly portion have different angles with the x-axis;

[0010] And / or, the projections of the extended lines of the central axes of any two of the assembly holes on the front side of the assembly portion have different angles with the y-axis.

[0011] Furthermore, along the width direction of the assembly portion, the assembly holes arranged on one side of the middle position of the assembly portion are symmetrical with the assembly holes arranged on the other side.

[0012] Furthermore, the number of the assembly holes ranges from 8 to 12.

[0013] Furthermore, the bone cement nail has a hollow cavity, the top end of the bone cement nail has an inlet connected to the cavity, and the side wall of the bone cement nail has an outlet.

[0014] Furthermore, the number of the bone cement nails is greater than the number of the assembly holes;

[0015] At least one outlet of the bone cement nail is located between the middle position and the tail end thereof;

[0016] At least one outlet of the bone cement nail is located between its middle position and the head end.

[0017] Furthermore, the outlet is arranged in a spiral shape around the axis of the bone cement nail.

[0018] Furthermore, the number of the outlets is at least two, and at least two of the outlets are spaced apart along the length direction of the bone cement nail;

[0019] The bone cement nail comprises a plug, and the plug is used for selectively blocking the outlet.

[0020] Furthermore, the plug is threadably connected to the outlet.

[0021] The utility model has at least the following advantages or beneficial effects:

[0022] The humerus osteosynthesis component provided by the utility model comprises: a bone cement nail and a bone fracture plate, wherein the number of the bone cement nails is multiple; the upper end of the bone fracture plate is provided with an assembly portion, the assembly portion is provided with assembly holes penetrating the front and rear surfaces thereof, the assembly holes are used to connect the bone cement nails, the number of the assembly holes is multiple, and the length directions of any two of the assembly holes are different, so that after the multiple bone cement nails are correspondingly installed with the multiple assembly holes, the multiple bone cement nails face different directions.

[0023] Because the length directions of the assembly holes arranged on the assembly part are different, when the bone cement nail is connected to the assembly hole, the multiple bone cement nails face different directions, and the multiple bone cement nails are connected to the humerus in a divergent claw-shaped structure, which has a greater holding force and higher connection stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 A schematic diagram of a humeral osteosynthesis assembly provided by an embodiment of the utility model;

[0026] Figure 2A front view of a humeral osteosynthesis assembly provided by an embodiment of the utility model;

[0027] Figure 3 A schematic diagram of a bone cement nail of a humeral osteosynthesis assembly provided by an embodiment of the utility model;

[0028] Figure 4 A schematic diagram of another bone cement nail of a humeral osteosynthesis assembly provided by an embodiment of the utility model;

[0029] Figure 5 A schematic diagram of another bone cement nail of a humeral osteosynthesis assembly provided by an embodiment of the utility model;

[0030] Figure 6 A schematic diagram of another bone cement nail of a humeral osteosynthesis assembly provided in an embodiment of the utility model.

[0031] Icons: 100 - bone plate; 200 - bone cement nail; 210 - outlet; 220 - plug. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0033] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0035] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0036] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0037] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] like Figure 1 As shown, the humeral bone fracture assembly provided by the present invention comprises: a bone cement nail 200 and a bone fracture plate 100, wherein the number of the bone cement nails 200 is multiple. The structures of the bone cement nails 200 can be the same or different.

[0039] The upper end of the bone plate 100 has a mounting portion, and the lower end is a handle connected to the mounting portion.

[0040] The assembly portion is provided with assembly holes that penetrate through its front and rear surfaces, and the assembly holes are used to connect the bone cement nails 200. There are multiple assembly holes, and the length directions of any two assembly holes are different, so that after the multiple bone cement nails 200 are installed correspondingly to the multiple assembly holes, the multiple bone cement nails 200 face different directions. Because the length directions of the various assembly holes provided on the assembly portion are different, when the bone cement nails 200 are connected to the assembly holes, the multiple bone cement nails 200 face different directions, and the multiple bone cement nails 200 are connected to the humerus in a divergent claw-shaped structure, which has a greater holding force and a higher connection stability.

[0041] The assembly holes can be evenly arranged at various positions of the assembly part, so that the force on the bone cement nail 200 at various positions is more balanced. For example, a coordinate system is established with the midpoint of the front of the assembly part as the origin, the width direction of the front of the assembly part as the x-axis, and the length direction as the y-axis, and each quadrant of the coordinate system has at least one assembly hole.

[0042] like Figure 2 As shown, in order to improve the holding force, the angles between any two of the assembly holes and the front of the assembly part are different, so that the pitch angles of the bone cement nail 200 are different. The angles between the projections of the extended lines of the central axes of any two of the assembly holes on the front of the assembly part and the x-axis are different; the angles between the projections of the extended lines of the central axes of any two of the assembly holes on the front of the assembly part and the y-axis are different, that is, in the top view direction, the circumferential positions of the bone cement nails 200 are different.

[0043] In this embodiment, along the width direction of the assembly portion, the assembly holes arranged on one side of the middle position of the assembly portion are symmetrical with the assembly holes arranged on the other side. Figure 2 As shown, from top to bottom, the angle formed by the bone cement nail 200 on the left side of the symmetry plane and the symmetry plane can range from 8° to 18°, 15° to 25°, 10° to 20°, 0° to 5°, and 0° to 10°, respectively.

[0044] The number of the assembly holes may range from 8 to 12.

[0045] In order to inject bone cement, the bone cement nail 200 has a hollow cavity, a top end of which has an inlet connected to the cavity, and a side wall of which has an outlet 210. Bone cement can be injected into the humerus through the bone cement nail 200.

[0046] The number of the bone cement nails 200 is greater than the number of the assembly holes, and the number of the bone cement nails 200 may be twice the number of the assembly holes.

[0047] like Figure 4 As shown, at least one outlet 210 of the bone cement nail 200 is located between the middle position and the tail end thereof, so that the bone cement injection position is closer to the inside of the humerus.

[0048] like Figure 3 As shown, at least one outlet 210 of the bone cement nail 200 is located between the middle position and the head end, so that the bone cement injection position is closer to the outer wall of the humerus. According to the patient's condition, an appropriate bone cement nail 200 is selected to better fill the bone cement.

[0049] like Figure 5As shown, the outlet 210 is arranged in a spiral shape around the axis of the bone cement nail 200. For patients with more severe osteoporosis, a bone cement nail 200 with a radial spiral outlet 210 can be selected. When the bone cement is injected, the bone cement can be radially overflowed along a longer path, so that the bone cement is more evenly distributed in the osteoporotic area, thereby improving the holding force of the bone cement nail 200.

[0050] In one possible implementation, Figure 6 As shown, the number of the outlets 210 is at least two, and at least two of the outlets 210 are spaced apart along the length direction of the bone cement nail 200 ; the bone cement nail 200 includes a plug 220 , and the plug 220 is used to selectively block the outlet 210 .

[0051] Before surgery, the outlet 210 that is not needed can be blocked with the plug 220. The plug 220 and the outlet 210 can be threadedly connected, leaving only the required outlet 210 open, so that the bone cement nail 200 can adapt to different osteoporosis areas.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A humeral osteosynthesis component, characterized in that: include: Bone cement nails (200), the number of the bone cement nails (200) is multiple; A bone fracture plate (100), wherein the upper end of the bone fracture plate (100) has an assembly portion, the assembly portion is provided with assembly holes penetrating the front and rear surfaces thereof, the assembly holes are used to connect the bone cement nails (200), the number of the assembly holes is multiple, and the length directions of any two of the assembly holes are different, so that after the multiple bone cement nails (200) are installed corresponding to the multiple assembly holes, the multiple bone cement nails (200) face different directions; A coordinate system is established with the midpoint of the front face of the assembly portion as the origin, the width direction of the front face of the assembly portion as the x-axis, and the length direction as the y-axis, and each quadrant of the coordinate system has at least one assembly hole.

2. The humeral osteosynthesis component according to claim 1, characterized in that: The included angles between any two of the assembly holes and the front face of the assembly portion are different; And / or, the projections of the extended lines of the central axes of any two of the assembly holes on the front face of the assembly portion have different angles with the x-axis; And / or, the projections of the extended lines of the central axes of any two of the assembly holes on the front side of the assembly portion have different angles with the y-axis.

3. The humeral osteosynthesis component according to claim 1, characterized in that: Along the width direction of the assembly portion, the assembly holes arranged on one side of the middle position of the assembly portion are symmetrical with the assembly holes arranged on the other side.

4. The humeral osteosynthesis component according to claim 1, characterized in that: The number of the assembly holes ranges from 8 to 12.

5. The humeral osteosynthesis component according to any one of claims 1 to 4, characterized in that: The bone cement nail (200) has a hollow cavity, a top end thereof has an inlet connected to the cavity, and a side wall thereof has an outlet (210).

6. The humeral osteosynthesis component according to claim 5, characterized in that: The number of the bone cement nails (200) is greater than the number of the assembly holes; At least one outlet (210) of the bone cement nail (200) is located between the middle position and the tail end thereof; At least one outlet (210) of the bone cement nail (200) is located between its middle position and the head end.

7. The humeral osteosynthesis component according to claim 5, characterized in that: The outlet (210) is arranged in a spiral shape around the axis of the bone cement nail (200).

8. The humeral osteosynthesis component according to claim 5, characterized in that: The number of the outlets (210) is at least two, and at least two of the outlets (210) are arranged at intervals along the length direction of the bone cement nail (200); The bone cement nail (200) comprises a plug (220), and the plug (220) is used to selectively block the outlet (210).

9. The humeral osteosynthesis component according to claim 8, characterized in that: The plug (220) is threadedly connected to the outlet (210).

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