CN219814279U - Locking plate system for femoral neck fracture treatment - Google Patents
Locking plate system for femoral neck fracture treatment Download PDFInfo
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- CN219814279U CN219814279U CN202222066403.9U CN202222066403U CN219814279U CN 219814279 U CN219814279 U CN 219814279U CN 202222066403 U CN202222066403 U CN 202222066403U CN 219814279 U CN219814279 U CN 219814279U
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- screw
- sliding
- femoral neck
- hole
- neck fracture
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- 208000020089 femoral neck fracture Diseases 0.000 title claims abstract description 36
- 230000001054 cortical effect Effects 0.000 claims description 16
- 208000010392 Bone Fractures Diseases 0.000 abstract description 9
- 206010017076 Fracture Diseases 0.000 abstract description 9
- 230000035876 healing Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002980 postoperative effect Effects 0.000 abstract description 2
- 210000002436 femur neck Anatomy 0.000 description 17
- 210000003739 neck Anatomy 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000000501 femur body Anatomy 0.000 description 1
- 210000002391 femur head Anatomy 0.000 description 1
- 210000000527 greater trochanter Anatomy 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a locking plate system for femoral neck fracture treatment, which belongs to the technical field of femoral neck fracture treatment and comprises the following components: the plate body is provided with a first threaded hole, a sliding hole and a second threaded hole from top to bottom in sequence; a first screw threadedly coupled to the first threaded hole; a second screw threadedly connected to the second threaded hole; and a third screw connected with the sliding hole and axially sliding along the sliding hole. The beneficial effects of the utility model are as follows: after the femoral neck fracture end is closed or cut and reset, the third screw is drilled into to directly pressurize the femoral neck fracture end through the lag screw mode, the first screw and the second screw are respectively locked with corresponding locking holes on the plate body to form a whole, the femoral neck fracture end is supported, the vertical shearing force of the femoral neck fracture end is neutralized, and meanwhile, the whole locking plate system keeps the sliding effect of the far and near femoral neck fracture end, so that continuous sliding pressurization of the postoperative fracture end can be realized, and fracture end healing is promoted.
Description
Technical Field
The utility model belongs to the technical field of femoral neck fracture treatment, and relates to a locking plate system for femoral neck fracture treatment.
Background
The treatment method of the fracture of the femoral neck is divided into conservative treatment and operation treatment, wherein the operation treatment is generally adopted for the unstable fracture of the femoral neck, and the closed or open reduction internal fixation treatment is generally adopted for patients under 60 to 65 years old. Currently, three hollow screw fixing technologies are adopted for internal fixation treatment of femur neck fracture. The needle is inserted from the lower part of the femur tuberosity, passes through the femur tuberosity part and the femur neck to the femur head, and achieves the function of fixing the broken end of the bone.
For example, an utility model patent with application number CN201610357597.4 provides a femoral neck fracture locking and fixing device and method, where the femoral neck fracture locking and fixing device includes a locking plate, a first locking nail, a second locking nail and a third locking nail, the inner side surface of the locking plate matches with the lower shape of the greater trochanter of femur, the locking plate is provided with a first locking hole, a second locking hole and a third locking hole with inclined structures, and the rear ends of the first locking nail, the second locking nail and the third locking nail are respectively connected with the locking plate at the first locking hole, the second locking hole and the third locking hole, and the first locking nail, the second locking nail, the third locking nail and the locking plate form triangular pyramid structures.
In summary, some existing technical schemes are full locking structures, can not realize continuous pressurization after operation, can not be automatically adjusted according to the healing degree of femoral neck fracture, and have a large improvement space.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a locking plate system for treating femoral neck fracture.
The aim of the utility model can be achieved by the following technical scheme: a femoral neck fracture treatment locking plate system comprising:
the plate body is provided with a first threaded hole, a sliding hole and a second threaded hole from top to bottom in sequence;
a first screw threadedly coupled to the first threaded hole;
a second screw threadedly connected to the second threaded hole;
and a third screw connected with the sliding hole and axially sliding along the sliding hole.
In the above locking plate system for femoral neck fracture treatment, one end of the first screw is provided with a first cortical thread and the other end is provided with a first cancellous thread, and the first screw is connected with the first threaded hole through the first cortical thread.
In the above locking plate system for femoral neck fracture treatment, a second cortical thread is provided at an end of the second screw, and the second screw is connected with the second threaded hole through the second cortical thread.
In the above locking plate system for treatment of femoral neck fracture, the third screw may be formed with a sliding portion, the third screw may be slidably connected to the sliding hole through the sliding portion, and an end portion of the third screw may be provided with a second loose thread.
In the above locking plate system for femoral neck fracture treatment, one end of the third screw is provided with a second spongy thread and the other end is provided with a limiting head, the sliding part is located between the limiting head and the second spongy thread, and the limiting head can be in abutting connection with the plate body so as to limit the maximum sliding distance of the third screw.
In the above locking plate system for treating femoral neck fracture, the sliding hole is a waist-shaped hole, and the third screw is movable along the length direction of the waist-shaped hole.
In the above-mentioned locking plate system for femoral neck fracture treatment, the number of the first threaded holes and the first screws are two and are respectively arranged in a one-to-one correspondence manner, the sliding holes and the two first threaded holes are distributed in a triangular shape, and the two first threaded holes are respectively positioned at the upper left side and the upper right side of the sliding holes.
In the above-mentioned locking plate system for treating fracture of neck of femur, the number of the second threaded holes and the second screws are two and are respectively arranged in a one-to-one correspondence manner, and the sliding holes and the two second threaded holes are distributed in a straight line from top to bottom in sequence.
Compared with the prior art, the utility model has the beneficial effects that:
1. after the femoral neck fracture end is closed or cut and reset, the third screw is drilled into to directly pressurize the femoral neck fracture end through the lag screw mode, the first screw and the second screw are respectively locked with corresponding locking holes on the plate body to form a whole, the femoral neck fracture end is supported, the vertical shearing force of the femoral neck fracture end is neutralized, and meanwhile, the whole locking plate system keeps the sliding effect of the far and near femoral neck fracture end, so that continuous sliding pressurization of the postoperative fracture end can be realized, and fracture end healing is promoted.
2. One end of the third screw is fixedly connected with the femoral head neck through the first spongy thread, the third screw is slidably connected with the sliding hole through the sliding part, and the third screw cannot continuously move towards the femoral neck when the limiting head is in abutting connection with the plate body.
3. The third screw can move along the length direction of the waist-shaped hole, the center of the femoral neck is more convenient for the third screw to be driven into, and the up-down, front-back position and inclination angle of the third screw relative to the sliding hole are adjusted according to different femoral necks.
Drawings
Fig. 1 is a side view of the femoral neck fracture treatment locking plate system of the present utility model.
Fig. 2 is a front view of the plate body of the present utility model.
Fig. 3 is a front view of the first, second and third screws of the present utility model.
100, a plate body; 110. a first threaded hole; 120. a sliding hole; 130. a second threaded hole; 200. a first screw; 210. a first cortical thread; 220. a first cancellous thread; 300. a second screw; 310. a second cortical thread; 400. a third screw; 410. a sliding part; 420. a second cancellous thread; 430. a limiting head.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
As shown in fig. 1-3, a femoral neck fracture treatment locking plate system comprising: plate 100, first screw 200, second screw 300, and third screw 400.
The plate body 100 is provided with a first threaded hole 110, a sliding hole 120 and a second threaded hole 130 from top to bottom, and the sliding hole 120 is located between the first threaded hole 110 and the second threaded hole 130.
Wherein a first screw 200 is threadedly coupled to the first threaded hole 110, the first screw 200 being used to drill into and fix the femoral tuberosity and thus the fracture site.
Wherein a second screw 300 is screwed with the second screw hole 130, and the second screw 300 is used to screw into the femoral body to support the plate body 100.
Wherein, the third screw 400 is connected with the sliding hole 120 and can slide along the axial direction, the third screw 400 is used for drilling into the neck of the femoral head, and the third screw 400 slides along the sliding hole 120 along with the healing of the fracture part.
More specifically, the angles of the first screw hole 110, the sliding hole 120, and the second screw hole 130 with respect to the horizontal direction are all set to 130 °, and the angle at which the head and/or tail of the plate body 100 is turned outward in the vertical direction is set to 6 °.
In this embodiment, after the reduction of the fractured femur neck end is closed or cut, the third screw 400 is drilled to directly pressurize the fractured femur neck end in the form of a lag screw, and the first screw 200 and the second screw 300 are respectively locked with the corresponding locking holes on the plate body 100 to form a whole, so as to support the fractured femur neck end, neutralize the vertical shearing force of the fractured femur neck end, and meanwhile, the whole locking plate system retains the sliding effect of the far and near fractured femur neck end, so that the continuous sliding pressurization of the fractured femur neck end after operation can be realized, and the healing of the fractured femur neck end is promoted.
As shown in fig. 1, 2 and 3, on the basis of the above embodiment, one end of the first screw 200 is provided with a first cortical thread 210 and the other end is provided with a first cancellous thread 220, and the first screw 200 is connected to the first threaded hole 110 through the first cortical thread 210.
In the present embodiment, one end of the first screw 200 is connected to the first screw hole 110 through the first cortical thread 210, and the other end of the first screw 200 is fixedly connected to the femoral tuberosity through the first cancellous thread 220.
As shown in fig. 1, 2 and 3, in the above embodiment, a second cortical thread 310 is provided at an end of the second screw 300, and the second screw 300 is connected to the second threaded hole 130 through the second cortical thread 310.
In the present embodiment, one end of the second screw 300 is connected to the second screw hole 130 through the second cortical thread 310, and the other end of the second screw 300 is directly driven into the femoral body to support the plate body 100.
As shown in fig. 1, 2 and 3, in the above embodiment, the third screw 400 is formed with a sliding portion 410, the third screw 400 is slidably connected to the sliding hole 120 through the sliding portion 410, and an end portion of the third screw 400 is provided with a second loose thread 420, wherein the sliding portion 410 is a polish rod portion on the third screw 400.
In the present embodiment, one end of the third screw 400 is fixedly coupled to the femoral head neck through the first loose thread 220 and the third screw 400 is slidably coupled to the sliding hole 120 through the sliding portion 410.
As shown in fig. 1, 2 and 3, on the basis of the above embodiment, one end of the third screw 400 is provided with a second loose thread 420 and the other end is provided with a limiting head 430, the sliding portion 410 is located between the limiting head 430 and the second loose thread 420, and the limiting head 430 may be in abutting connection with the plate 100 so as to limit the maximum sliding distance of the third screw 400.
In the present embodiment, the third screw 400 is slidably connected to the sliding hole 120 through the sliding portion 410, and the third screw 400 cannot continue to move toward the femoral neck when the stopper 430 is in abutting connection with the plate body 100.
As shown in fig. 1, 2 and 3, the sliding hole 120 is formed as a waist-shaped hole, and the third screw 400 is movable along the length direction of the waist-shaped hole.
In the present embodiment, the third screw 400 can move along the length direction of the waist-shaped hole, and the third screw 400 can be driven into the center of the femoral neck more conveniently, and the up-down, front-back position and inclination angle of the third screw 400 relative to the sliding hole 120 can be adjusted according to different femoral necks.
As shown in fig. 1, 2, and 3, the number of the first threaded holes 110 and the number of the first screws 200 are two and are respectively arranged in a one-to-one correspondence manner, the sliding holes 120 and the two first threaded holes 110 are distributed in a triangle shape, and the two first threaded holes 110 are respectively positioned at the upper left and upper right of the sliding holes 120 and are arranged according to the femoral bone protrusion shape.
As shown in fig. 1, 2, and 3, based on the above embodiment, the number of the second threaded holes 130 and the number of the second screws 300 are two and are respectively set in a one-to-one correspondence manner, and the sliding holes 120 and the two second threaded holes 130 are sequentially distributed in a straight line from top to bottom, and are arranged according to the shape of the femur body.
Claims (6)
1. A femoral neck fracture treatment locking plate system comprising:
the plate body is provided with a first threaded hole, a sliding hole and a second threaded hole from top to bottom in sequence;
a first screw threadedly coupled to the first threaded hole;
a second screw threadedly connected to the second threaded hole;
a third screw connected to the sliding hole and axially slidable along the sliding hole;
the third screw is provided with a sliding part, the third screw is slidably connected with the sliding hole through the sliding part, and the end part of the third screw is provided with a second loose thread;
one end of the third screw is provided with a second loose thread, the other end of the third screw is provided with a limiting head, the sliding part is positioned between the limiting head and the second loose thread, and the limiting head can be in abutting connection with the plate body so as to limit the maximum sliding distance of the third screw.
2. A femoral neck fracture treatment locking plate system as defined in claim 1, wherein: one end of the first screw is provided with a first cortical thread and the other end of the first screw is provided with a first spongy thread, and the first screw is connected with the first threaded hole through the first cortical thread.
3. A femoral neck fracture treatment locking plate system as defined in claim 1, wherein: the end of the second screw is provided with a second cortical thread, and the second screw is connected with the second threaded hole through the second cortical thread.
4. A femoral neck fracture treatment locking plate system as defined in claim 1, wherein: the sliding hole is a waist-shaped hole, and the third screw can move along the length direction of the waist-shaped hole.
5. A femoral neck fracture treatment locking plate system as in claims 1 or 4, wherein: the number of the first threaded holes and the number of the first screws are two and are respectively arranged in a one-to-one correspondence mode, the sliding holes and the two first threaded holes are distributed in a triangular mode, and the two first threaded holes are respectively located at the upper left side and the upper right side of the sliding holes.
6. A femoral neck fracture treatment locking plate system as in claims 1 or 4, wherein: the number of the second threaded holes and the number of the second screws are two and are respectively arranged in a one-to-one correspondence mode, and the sliding holes and the two second threaded holes are distributed in a straight line from top to bottom in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222066403.9U CN219814279U (en) | 2022-08-05 | 2022-08-05 | Locking plate system for femoral neck fracture treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222066403.9U CN219814279U (en) | 2022-08-05 | 2022-08-05 | Locking plate system for femoral neck fracture treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219814279U true CN219814279U (en) | 2023-10-13 |
Family
ID=88250604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222066403.9U Active CN219814279U (en) | 2022-08-05 | 2022-08-05 | Locking plate system for femoral neck fracture treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219814279U (en) |
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2022
- 2022-08-05 CN CN202222066403.9U patent/CN219814279U/en active Active
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