CN219538469U - Patella fixing plate with hook claw - Google Patents
Patella fixing plate with hook claw Download PDFInfo
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- CN219538469U CN219538469U CN202223099689.7U CN202223099689U CN219538469U CN 219538469 U CN219538469 U CN 219538469U CN 202223099689 U CN202223099689 U CN 202223099689U CN 219538469 U CN219538469 U CN 219538469U
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- patella
- wing
- fixing
- fixing device
- claw
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Abstract
The utility model discloses a patella fixing plate with a hook claw, which comprises: the device comprises a transverse fixing device and a longitudinal fixing device, wherein the transverse fixing device is of an arc-shaped structure, and the transverse fixing device is attached to a curve of a human patella in a first direction; the longitudinal fixing device is in an arc-shaped structure, and the longitudinal fixing device is attached to a curve of the human patella in the second direction; an included angle is formed between the first direction and the second direction; the transverse fixing device is connected with the longitudinal fixing device; the transverse fixing device and the longitudinal fixing device are provided with a plurality of screw holes. The utility model uses the screw hole and the Kirschner nail to be matched and fixed on the patella, and adopts the hook body to hook a part of the patella, thus forming effective fixation.
Description
Technical Field
The utility model belongs to the technical field of medical instrument technology, and particularly relates to a patella fixing plate with a hook claw.
Background
The fracture of the patella lower pole is very common in clinic, often the fracture is smashed, the bone piece is small, the effective fixation is difficult, and the patella lower pole is pulled by the patella ligament, bears great pulling tension, and if the fixation is unreliable, the fracture piece is easily caused to be shifted again in the postoperative rehabilitation exercise stage, and the knee joint function is influenced. The patella claw has certain advantages in the treatment of patella fracture, but the appearance of the patella claw of each person is large in difference, so that the appearance of the patella claw is difficult to be suitable for each patient, especially for the patient with large proximal slope, the patella claw is difficult to install, and unhooking is easy to occur. The steel plate has larger interference to the patellar ligament, and the pain symptoms around the patellar ligament are caused after operation.
Disclosure of Invention
In view of the above, the present utility model aims to provide a patella fixation plate with a claw.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a patella fixation plate with a hook claw, comprising:
the transverse fixing device is in an arc-shaped structure and is attached to the curve of the human patella in the first direction;
the longitudinal fixing device is in an arc-shaped structure and is attached to the curve of the human patella in the second direction;
an included angle is formed between the first direction and the second direction; the transverse fixing device is connected with the longitudinal fixing device; the transverse fixing device and the longitudinal fixing device are provided with a plurality of screw holes.
The patella fixing plate with the claw, wherein the second direction is the length direction of the human body, and the first direction is perpendicular to the second direction.
The patella fixing plate with the claw, wherein the longitudinal fixing device comprises: the left end fixed wing, right end fixed wing and middle part fixed wing, the left end fixed wing with the right end fixed wing is located respectively the both sides of middle part fixed wing, horizontal fixing device connects gradually the middle part of left end fixed wing the middle part of middle part fixed wing and the middle part of right end fixed wing.
The patella fixing plate with the claw comprises a plurality of screw holes which are sequentially distributed along the length direction of the transverse fixing device or the length direction of the longitudinal fixing device, and the screw holes are matched with the k nails.
The patella fixing plate with the claw, wherein one end of the left end fixing wing and one end of the right end fixing wing are connected with hooks, the hooks are in a hook shape, one end of the hooks, which is far away from the left end fixing wing or the right end fixing wing, is hooked on the inner side of the patella of a patient, and the hooked part of the patella is arranged between the hooks and the left end fixing wing or the right end fixing wing.
The patella fixing plate with the claw, wherein the hook body is bent along the bending direction of the left end fixing wing or the right end fixing wing, and the bending radian of the hook body is larger than that of the left end fixing wing or the right end fixing wing.
According to the patella fixing plate with the hook claw, the two ends of the left end fixing wing and the two ends of the right end fixing wing incline towards the direction close to the middle fixing wing.
The patella fixing plate with the claw, wherein the two ends of the left end fixing wing and the two ends of the right end fixing wing incline towards the direction away from the middle fixing wing.
The utility model adopts the technology, so that compared with the prior art, the utility model has the positive effects that:
(1) The utility model uses the screw hole and the Kirschner nail to be matched and fixed on the patella, and adopts the hook body to hook a part of the patella, thus forming effective fixation.
Drawings
Fig. 1 is a schematic view of the patella fixation plate with a finger according to the present utility model.
Fig. 2 is a schematic view of the patella fixation plate with a finger according to the present utility model.
In the accompanying drawings: 1. a lateral fixing device; 2. a longitudinal fixing device; 3. screw holes; 21. a left end fixed wing; 22. a middle fixed wing; 23. a right end fixed wing; 24. a hook.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting. FIG. 1 is a schematic view of a patella fixation plate with a claw according to the present utility model; fig. 2 is a schematic view of the patella fixation plate with a claw according to the present utility model, and referring to fig. 1 to 2, there is shown a patella fixation plate with a claw according to a preferred embodiment, comprising: the device comprises a transverse fixing device 1 and a longitudinal fixing device 2, wherein the transverse fixing device 1 is in an arc-shaped structure, and the transverse fixing device 1 is attached to a curve of a human patella in a first direction; the longitudinal fixing device 2 is attached to the curve of the human patella in the second direction; an included angle is formed between the first direction and the second direction; the transverse fixing device 1 is connected with the longitudinal fixing device 2; both the transverse fixing device 1 and the longitudinal fixing device 2 are provided with a plurality of screw holes 3.
In a preferred embodiment, the second direction is the direction of the length of the human body, and the first direction and the second direction are perpendicular.
In a preferred embodiment, the longitudinal fixing device 2 comprises: the left end fixed wing 21, the right end fixed wing 23 and the middle fixed wing 22, the left end fixed wing 21 and the right end fixed wing 23 are respectively arranged on two sides of the middle fixed wing 22, and the transverse fixing device 1 is sequentially connected with the middle part of the left end fixed wing 21, the middle part of the middle fixed wing 22 and the middle part of the right end fixed wing 23.
The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the embodiments and the protection scope of the present utility model.
The present utility model has the following embodiments based on the above description:
in a further embodiment of the utility model, a plurality of screw holes 3 are sequentially arranged along the length direction of the transverse fixing device 1 or the length direction of the longitudinal fixing device 2, and the screw holes 3 are matched with the k-nails.
In a further embodiment of the present utility model, one end of the left end fixing wing 21 and one end of the right end fixing wing 23 are connected with hooks 24, the hooks 24 are in a hook shape, one end of the hooks 24 away from the left end fixing wing 21 or the right end fixing wing 23 hooks the inner side of the patella of the patient, and the hooked part of the patella is arranged between the hooks 24 and the left end fixing wing 21 or the right end fixing wing 23.
In a further embodiment of the present utility model, the hooks 24 are bent in a direction in which the left or right fixed wing 21 or 23 is bent, and the hooks 24 are bent to have a greater arc than the left or right fixed wing 21 or 23.
In a further embodiment of the present utility model, both ends of the left end fixing wing 21 and both ends of the right end fixing wing 23 are inclined in a direction approaching the middle fixing wing 22.
In a further embodiment of the present utility model, both ends of the left end fixing wing 21 and both ends of the right end fixing wing 23 are inclined in a direction away from the middle fixing wing 22.
In a preferred embodiment, the transverse fixing device 1 and the longitudinal fixing device 2 are made of bendable materials so as to match the different shapes of the patella of different people.
In a preferred embodiment, the diameter of the k-wire is 2.4mm or 2.7mm.
In a preferred embodiment, the number of lateral fixation means 1 and longitudinal fixation means 2 may be several.
In a preferred embodiment, the hook 24 is provided with a hole for a 1.5mm diameter Kirschner wire to fit through during fixation or suturing of the medial patella.
In a preferred embodiment, the material of the lateral fixation device 1 and the longitudinal fixation device 2 is a memory alloy or a titanium alloy.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (8)
1. A patella fixation plate with a hook claw, comprising:
the transverse fixing device is in an arc-shaped structure and is attached to the curve of the human patella in the first direction;
the longitudinal fixing device is in an arc-shaped structure and is attached to the curve of the human patella in the second direction;
an included angle is formed between the first direction and the second direction; the transverse fixing device is connected with the longitudinal fixing device; the transverse fixing device and the longitudinal fixing device are provided with a plurality of screw holes.
2. The patella fastening plate with a claw according to claim 1, wherein the second direction is a direction of a human body length, and the first direction and the second direction are perpendicular.
3. The patella bearing claw fixing plate according to claim 2, wherein the longitudinal fixing means comprises: the left end fixed wing, right end fixed wing and middle part fixed wing, the left end fixed wing with the right end fixed wing is located respectively the both sides of middle part fixed wing, horizontal fixing device connects gradually the middle part of left end fixed wing the middle part of middle part fixed wing and the middle part of right end fixed wing.
4. The patella fastening plate with a claw according to claim 1, wherein a plurality of screw holes are sequentially arranged along a length direction of the transverse fastening device or a length direction of the longitudinal fastening device, and the screw holes are matched with the k-bolts.
5. A patella fastening plate with a claw according to claim 3, wherein one end of the left end fixing wing and one end of the right end fixing wing are connected with hooks, the hooks are hooked, one end of the hooks away from the left end fixing wing or the right end fixing wing hooks the inner side of the patient's patella, and the hooked portion of the patella is disposed between the hooks and the left end fixing wing or the right end fixing wing.
6. The patella bearing the claw according to claim 5, wherein the hook is curved in a direction in which the left or right fixing wing is curved, the curvature of the hook being greater than the curvature of the left or right fixing wing.
7. The patella fastening plate with a claw according to claim 6, wherein both ends of the left end fixing wing and both ends of the right end fixing wing are inclined in a direction approaching the middle fixing wing.
8. The patella bearing claw fixing plate according to claim 6, wherein both ends of the left end fixing wing and both ends of the right end fixing wing are inclined in a direction away from the middle fixing wing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223099689.7U CN219538469U (en) | 2022-11-22 | 2022-11-22 | Patella fixing plate with hook claw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223099689.7U CN219538469U (en) | 2022-11-22 | 2022-11-22 | Patella fixing plate with hook claw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219538469U true CN219538469U (en) | 2023-08-18 |
Family
ID=87706688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223099689.7U Active CN219538469U (en) | 2022-11-22 | 2022-11-22 | Patella fixing plate with hook claw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219538469U (en) |
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2022
- 2022-11-22 CN CN202223099689.7U patent/CN219538469U/en active Active
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