CN218606794U - Femoral neck fixing nail - Google Patents
Femoral neck fixing nail Download PDFInfo
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- CN218606794U CN218606794U CN202222476987.7U CN202222476987U CN218606794U CN 218606794 U CN218606794 U CN 218606794U CN 202222476987 U CN202222476987 U CN 202222476987U CN 218606794 U CN218606794 U CN 218606794U
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- staple
- nail
- cavity
- thread
- femoral neck
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Abstract
The utility model relates to the technical field of medical equipment, and a thighbone neck staple is disclosed, including staple mechanism, still include: the side surface of the nail core mechanism is in threaded connection with the inner wall of the fixed nail mechanism, the fixed nail mechanism comprises a fixed nail body, a first external thread is arranged on the side surface of the fixed nail body, a cavity is formed in the center of the fixed nail body, an internal thread is formed in the side surface of the cavity, the side surface of the nail core body is movably connected with the side surface of the cavity, and a second external thread is formed in the side surface of the nail core body corresponding to the position of the internal thread; the utility model discloses a nut and first thread fit make the staple body to the fracture department after that pressurizes and resets, insert the cavity with the staple body in to through second external screw thread and interior thread connection, fix nail core body and staple body, improve thighbone neck staple intensity, reduce the risk of thighbone neck staple rupture, be favorable to improving the intensity of thighbone neck staple.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically relates to a femoral neck staple.
Background
The femur, also known as thigh bone, thigh bone and bar, is the longest tubular bone of a human body, the upper end of the femur, namely the femur head and the acetabulum, form a hip joint, the lower end of the femur, the patella and the upper end of the tibia form a knee joint, support the weight of the whole body, and the fracture of the neck of the femur is the most common injury of the hip, the incidence of the fracture of the neck of the femur is only second to the fracture of the distal end of the radius in the whole body fracture, most of the fractures of the neck of the femur have obvious displacement, and the fracture is unstable because the lever action of the part is large, so most of the fractures need surgical treatment, in order to avoid the dislocation of the fracture, the fracture can be fixed by using a fixing nail in the process of accelerating the bone recovery.
The prior art is not enough: the existing bone neck fixing nail is hollow, so that a product can be positioned conveniently during an operation, but the hollow design causes the product to have lower strength and be broken easily.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defects of the prior art, the utility model provides a femoral neck staple to solve the problem that exists among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a femoral neck fixation nail comprising a fixation nail mechanism and further comprising: the side of the nail core mechanism is in threaded connection with the inner wall of the fixing nail mechanism, the fixing nail mechanism comprises a fixing nail body, first external threads are arranged on the side of the fixing nail body, a cavity is formed in the center of the fixing nail body, internal threads are formed in the side of the cavity, the nail core mechanism comprises a nail core body, the side of the nail core body is movably connected with the side of the cavity, second external threads are formed in the position, corresponding to the internal threads, of the side of the nail core body, and the side of the internal threads is in threaded connection with the side of the second external threads.
Further, the one end fixedly connected with big hood of staple body, first hexagonal hole has been seted up on the top of big hood, the one end of refill body is fixed even to have little hood, second hexagonal hole has been seted up on the top of little hood.
Furthermore, the internal thread is located near one end of big hood, and the length of first external screw thread is half of staple body length.
Furthermore, the first hexagonal hole and the second hexagonal hole are standard hexagonal holes, and the small top cap can be completely accommodated in the large top cap.
Furthermore, the fixing nail mechanism and the nail core mechanism are both made of magnesium alloy.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a nut and first external screw-thread fit make the staple body to the fracture department after pressurizing and reseing, insert the cavity with the staple body in to through second external screw thread and internal thread threaded connection, fix nail core body and staple body, improve thighbone neck staple intensity, reduce the risk of thighbone neck staple rupture, be favorable to improving the intensity of thighbone neck staple.
Drawings
Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is a schematic structural view of the staple mechanism of the present invention;
fig. 3 is a schematic structural view of the mandrel mechanism of the present invention.
The reference signs are: 1. a staple securing mechanism; 101. a staple body; 102. a cavity; 103. a first external thread; 104. an internal thread; 105. a large top cap; 106. a first hexagonal hole; 2. a mandrel mechanism; 201. a mandrel body; 202. a small top cap; 203. a second hexagonal hole; 204. a second external thread.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present invention, and in addition, the forms of the structures described in the following embodiments are merely examples, and the present invention relates to a femoral neck fixing nail which is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of the present invention.
Referring to fig. 1 to 3, the utility model provides a femoral neck staple, including staple mechanism 1, its characterized in that still includes: the core nail mechanism 2, the side of core nail mechanism 2 and the inner wall threaded connection of staple mechanism 1, staple mechanism 1 includes staple body 101, the side of staple body 101 is equipped with first external screw thread 103, cavity 102 has been seted up at the center of staple body 101, internal thread 104 has been seted up to the side of cavity 102, core nail mechanism 2 includes core nail body 201, the side of core nail body 201 and the side swing joint of cavity 102, second external screw thread 204 has been seted up to the side of core nail body 201 corresponding internal screw thread 104's position, the side of internal screw thread 104 and the side threaded connection of second external screw thread 204, insert core nail body 201 in the hole that femoral neck fracture department bored in advance, use supporting nut and the cooperation of first external screw thread 103, slowly tighten the nut fixes fracture department, after fixed, insert core nail body 201 in the cavity 102, rotate staple body 101 and make second external screw thread 204 and internal screw thread 104 threaded connection fix core nail body 201.
Wherein, the one end fixedly connected with big hood 105 of staple body 101, first hexagonal hole 106 has been seted up on the top of big hood 105, and the one end fixed connection of refill body 201 has little hood 202, and second hexagonal hole 203 has been seted up on the top of little hood 202.
Wherein, the internal thread 104 is positioned near one end of the big top cap 105, and the length of the first external thread 103 is half of the length of the fixing nail body 101.
Wherein, first hexagonal hole 106 and second hexagonal hole 203 are standard hexagonal holes, and little hood 202 can be fully accomodate big hood 105 in, and first hexagonal hole 106 and the hexagonal hole 203 of standard hexagonal hole facilitate the use hexagonal spanner to operate staple mechanism 1 and nail core mechanism 2.
The fixing nail mechanism 1 and the nail core mechanism 2 are both made of magnesium alloy, magnesium ions released by the magnesium alloy can promote the in vitro growth of osteoblasts, the bone tissue healing capacity is improved, and meanwhile, the fixing nail mechanism and the nail core mechanism have high tensile strength and fracture toughness.
The utility model discloses a theory of operation: insert the nail core body 201 in the hole that femoral neck fracture department bored earlier, use supporting nut and the cooperation of first external screw thread 103, insert six arris spanners in first six arris holes 106, slowly screw up the nut and fix the fracture department, after fixed the completion, insert cavity 102 with staple body 101 from the bottom of first six arris holes 106 in, insert six arris spanners in the six arris holes 203 of second, rotate six arris spanners and drive nail core body 201 and rotate, make second external screw thread 204 and internal thread 104 threaded connection fix nail core body 201.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a femoral neck staple, includes staple mechanism (1), its characterized in that still includes: the nail core mechanism (2), the side of nail core mechanism (2) and the inner wall threaded connection of staple mechanism (1), staple mechanism (1) is including staple body (101), the side of staple body (101) is equipped with first external screw thread (103), cavity (102) have been seted up at the center of staple body (101), internal thread (104) have been seted up to the side of cavity (102), nail core mechanism (2) is including nail core body (201), the side of nail core body (201) and the side swing joint of cavity (102), second external screw thread (204) have been seted up to the side of nail core body (201) corresponding the position of internal thread (104), the side of internal thread (104) and the side threaded connection of second external screw thread (204).
2. A femoral neck fixation nail as in claim 1, wherein: the one end fixedly connected with big hood (105) of staple body (101), first hexagonal hole (106) have been seted up on the top of big hood (105), the fixed company of one end of nail core body (201) has little hood (202), second hexagonal hole (203) have been seted up on the top of little hood (202).
3. A femoral neck fixation nail as in claim 1, wherein: the internal thread (104) is positioned at one end close to the large top cap (105), and the length of the first external thread (103) is half of the length of the fixing nail body (101).
4. A femoral neck fixation nail as in claim 2, wherein: the first hexagonal hole (106) and the second hexagonal hole (203) are standard hexagonal holes, and the small top cap (202) can be completely received in the large top cap (105).
5. A femoral neck fixation nail as in claim 1, wherein: the fixing nail mechanism (1) and the nail core mechanism (2) are both made of magnesium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222476987.7U CN218606794U (en) | 2022-09-19 | 2022-09-19 | Femoral neck fixing nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222476987.7U CN218606794U (en) | 2022-09-19 | 2022-09-19 | Femoral neck fixing nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218606794U true CN218606794U (en) | 2023-03-14 |
Family
ID=85465977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222476987.7U Active CN218606794U (en) | 2022-09-19 | 2022-09-19 | Femoral neck fixing nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218606794U (en) |
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2022
- 2022-09-19 CN CN202222476987.7U patent/CN218606794U/en active Active
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