An orthopedic surgical device

Abstract

The application provides an orthopedic surgery device, which comprises a first assembly and a second assembly; the first assembly comprises a first conical part, a threaded part and an adductor part which are sequentially connected, a first inner cavity is arranged in the first assembly, the first inner cavity sequentially penetrates the first conical part, the threaded part and the adductor part, and a hexagonal socket is arranged at one end of the adductor part away from the threaded part; the second assembly comprises a second conical part, a hexagonal coupling part and a rod body which are sequentially connected, a second inner cavity is arranged in the second assembly, the second inner cavity sequentially penetrates the second conical part, the hexagonal coupling part and the rod body; the second assembly is embeddedly connected to the hexagonal socket of the first assembly through the hexagonal coupling part, and the second conical part is embedded into the first inner cavity. The device has good stability, avoids the risk of breakage and avoids slipping during screwing.

Description

Technical Field

[0001] This application relates to the field of orthopedic surgical technology, and in particular to an orthopedic surgical device. Background Technology

[0002] Current orthopedic surgeries require inserting nails into the bone after drilling holes. However, once the nails are inserted, they are prone to slipping or falling out during twisting, resulting in poor stability and a risk of breakage during the twisting process. Utility Model Content

[0003] In view of the aforementioned problems, this application is made to provide an orthopedic surgical device that overcomes or at least partially solves the aforementioned problems, comprising:

[0004] An orthopedic surgical device, comprising a first assembly and a second assembly;

[0005] The first assembly includes a first conical part, a threaded part, and an inward part connected in sequence. The first assembly has a first inner cavity that passes through the first conical part, the threaded part, and the inward part in sequence. The inward part has an internal hexagonal groove at the end away from the threaded part.

[0006] The second assembly includes a second conical component, an external hexagonal connector, and a rod connected in sequence. The second assembly has a second inner cavity that passes through the second conical component, the external hexagonal connector, and the rod in sequence.

[0007] The second assembly is embedded in the internal hexagonal groove of the first assembly via the external hexagonal connector, and the second conical member is embedded in the first internal cavity.

[0008] Furthermore, the diameter of the first inner cavity is greater than 2 mm.

[0009] Furthermore, the diameter of the second inner cavity is greater than 2 mm.

[0010] Furthermore, it also includes a needle body, which sequentially penetrates the second inner cavity and the first inner cavity.

[0011] Furthermore, the diameter of the needle body is 2 mm.

[0012] Furthermore, the needle body is a Kirschner wire.

[0013] Furthermore, the taper of the first conical component is between 0.5° and 1°.

[0014] Furthermore, the taper of the second conical component is between 0.5° and 1°.

[0015] Furthermore, the first assembly is made of titanium alloy.

[0016] Furthermore, the material of the second assembly is titanium alloy.

[0017] This application has the following advantages:

[0018] In the embodiments of this application, compared with the prior art where "current orthopedic surgery requires inserting nails into the bone after drilling, but after the nails are inserted into the bone, they are prone to slippage or falling out during twisting, resulting in poor stability and a risk of breakage during twisting," this application provides a solution to prevent nails from easily falling out and becoming unstable. Specifically, an orthopedic surgical device includes a first assembly and a second assembly. The first assembly includes a first conical part, a threaded part, and an inwardly retracting part connected in sequence. The first assembly has a first inner cavity that passes through the first conical part, the threaded part, and the inwardly retracting part in sequence. The inwardly retracting part has an internal hexagonal groove at one end away from the threaded part. The second assembly includes a second conical part, an external hexagonal connector, and a rod connected in sequence. The second assembly has a second inner cavity that passes through the second conical part, the external hexagonal connector, and the rod in sequence. The second assembly is embedded in the internal hexagonal groove of the first assembly through the external hexagonal connector, and the second conical part is embedded in the first inner cavity. The first and second assemblies solve the problem that "current orthopedic surgeries require inserting nails into the bone after drilling holes, but after the nails are inserted into the bone, they are prone to slipping or falling out during twisting, resulting in poor stability and the risk of breakage during twisting." The first and second assemblies achieve good stability, avoid the risk of breakage, and prevent slipping during twisting. Attached Figure Description

[0019] To more clearly illustrate the technical solution of this application, the drawings used in the description of this application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of an orthopedic surgical device provided in one embodiment of this application;

[0021] Figure 2 This is a schematic diagram of the first assembly structure of an orthopedic surgical device according to an embodiment of this application;

[0022] Figure 3 This is a schematic diagram of the second assembly structure of an orthopedic surgical device provided in one embodiment of this application.

[0023] In the attached figures: 1. First assembly; 2. Second assembly; 3. First conical part; 4. Threaded part; 5. Inward part; 6. Internal hexagonal groove; 7. Second conical part; 8. External hexagonal connector; 9. Rod body; 10. First inner cavity; 11. Second inner cavity. Detailed Implementation

[0024] To make the objectives, features, and advantages of this application more apparent and understandable, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0025] Reference Figure 1-3 The diagram shows a structural schematic of an orthopedic surgical device according to an embodiment of this application;

[0026] An orthopedic surgical device includes a first assembly 1 and a second assembly 2;

[0027] The first assembly 1 includes a first conical part 3, a threaded part 4 and an inward part 5 connected in sequence. The first assembly 1 has a first inner cavity 10, which passes through the first conical part 3, the threaded part 4 and the inward part 5 in sequence. The inward part 5 has an internal hexagonal groove 6 at one end away from the threaded part 4.

[0028] The second assembly 2 includes a second conical part 7, an external hexagonal connector 8 and a rod 9 connected in sequence. The second assembly 2 has a second inner cavity 11, which passes through the second conical part 7, the external hexagonal connector 8 and the rod 9 in sequence.

[0029] The second assembly 2 is embedded in the internal hexagonal groove 6 of the first assembly 1 via the external hexagonal connector 8, and the second conical member 7 is embedded in the first internal cavity 10.

[0030] In the embodiments of this application, compared with the prior art where "current orthopedic surgery requires inserting nails into the bone after drilling, but after the nails are inserted into the bone, they are prone to slippage or falling out during twisting, resulting in poor stability and a risk of breakage during twisting," this application provides a solution to prevent nails from easily falling out and becoming unstable. Specifically, it is an orthopedic surgical device, including a first assembly 1 and a second assembly 2; the first assembly 1 includes a first conical member 3, a threaded member 4, and an inwardly retracting member 5 connected in sequence, and the first assembly 1 has a first inner cavity 10. The first conical component 3, the threaded component 4, and the inwardly tapered component 5 are sequentially connected. The inwardly tapered component 5 has an internal hexagonal groove 6 at the end away from the threaded component 4. The second assembly 2 includes a second conical component 7, an external hexagonal connector 8, and a rod body 9 connected in sequence. The second assembly 2 has a second inner cavity 11, which sequentially passes through the second conical component 7, the external hexagonal connector 8, and the rod body 9. The second assembly 2 is embedded in the internal hexagonal groove 6 of the first assembly 1 through the external hexagonal connector 8, and the second conical component 7 is embedded in the first inner cavity 10. The first assembly 1 and the second assembly 2 solve the problem that "current orthopedic surgery requires inserting nails into the bone after drilling, but after the nails are inserted into the bone, they are prone to slippage or falling out during twisting, resulting in poor stability and a risk of breakage during twisting." The second assembly 1 and the second assembly 2 achieve good stability, avoid the risk of breakage, and prevent slippage during twisting.

[0031] The following will further describe an orthopedic surgical device in this exemplary embodiment.

[0032] In one embodiment of this utility model, the thread pitch of the threaded component 4 is consistent.

[0033] In one embodiment of this utility model, the first assembly 1 specifically functions as a self-tapping screw. In a specific embodiment, it is used in orthopedic surgery to drive it into the bone of the human body. After being driven into the bone by the first conical part, it is rotated by the threaded part 4. That is, the first conical part is tightened in the bone, which will generate bone fragments. The threaded part 4 moves the bone fragments toward the inward-facing part 5, so that the first assembly 1 is fixed in the bone. It is commonly used for ligament treatment.

[0034] In one embodiment of this utility model, the length of the contact surface is increased by the connection between the internal hexagonal groove 6 of the first assembly 1 and the external hexagonal connector 8 of the second assembly 2, thereby avoiding the problem of easy breakage during the tightening process.

[0035] In one embodiment of this utility model, the rod 9 is used for positioning, that is, coaxial guidance.

[0036] In one embodiment of the present invention, the diameter of the first inner cavity 10 is greater than 2 mm. In a specific embodiment, the first inner cavity 10 is connected to the second inner cavity 11.

[0037] In one embodiment of the present invention, the diameter of the second inner cavity 11 is greater than 2 mm. In a specific embodiment, the first inner cavity 10 and the second inner cavity 11 are connected.

[0038] In one embodiment of the present invention, a needle body is also included, which passes through the second inner cavity 11 and the first inner cavity 10 in sequence. In a specific embodiment, the needle body enters from the second inner cavity 11 of the second assembly 2 and exits from the first inner cavity 10 of the first assembly 1.

[0039] In one embodiment of this utility model, the diameter of the needle body is 2mm.

[0040] In one embodiment of this utility model, the needle body is a Kirschner needle.

[0041] In one embodiment of this utility model, the taper of the first conical member 3 is between 0.5° and 1°.

[0042] In one embodiment of the present invention, the taper of the second conical member 7 is between 0.5° and 1°.

[0043] In one embodiment of this utility model, the first assembly 1 is made of titanium alloy; it should be noted that titanium alloy is only a preferred option in one embodiment of this application, and it can be replaced with other materials with the same hardness as needed.

[0044] In one embodiment of this utility model, the material of the second assembly 2 is titanium alloy; it should be noted that titanium alloy is only a preferred option in one embodiment of this application, and it can be replaced with other materials with the same hardness as needed.

[0045] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0046] Although preferred embodiments of the present application have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the embodiments of the present application.

[0047] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or terminal device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or terminal device. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or terminal device that includes said element.

[0048] The above provides a detailed description of an orthopedic surgical device provided in this application. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. An orthopedic surgical device, characterized by, The first assembly and the second assembly are connected to each other through the hexagonal recess and the hexagonal connector. The first assembly comprises a first conical part, a threaded part and an inner-receiving part connected in sequence, and a first inner cavity is arranged in the first assembly and penetrates the first conical part, the threaded part and the inner-receiving part in sequence. The second assembly comprises a second conical part, a hexagonal connector and a rod connected in sequence, and a second inner cavity is arranged in the second assembly and penetrates the second conical part, the hexagonal connector and the rod in sequence. The second assembly is embeddedly connected to the hexagonal recess of the first assembly through the hexagonal connector, and the second conical part is embedded into the first inner cavity.

2. The orthopedic surgical device of claim 1, wherein, The diameter of the first inner cavity is greater than 2 mm.

3. The orthopedic surgical device of claim 1, wherein, The diameter of the second inner cavity is greater than 2 mm.

4. The orthopedic surgical device of claim 1, wherein, A needle is further arranged and penetrates the second inner cavity and the first inner cavity in sequence.

5. The orthopedic surgical device of claim 4, wherein, The diameter of the needle is 2 mm.

6. The orthopedic surgical device of claim 4, wherein, The needle is a Kirschner wire.

7. The orthopedic surgical device of claim 1, wherein, The taper of the first conical part is between 0.5° and 1°.

8. The orthopedic surgical device of claim 1, wherein, The taper of the second conical part is between 0.5° and 1°.

9. The orthopedic surgical device of claim 1, wherein, The material of the first assembly is titanium alloy.

10. The orthopedic surgical device of claim 1, wherein, The material of the second assembly is titanium alloy.

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