CN209751199U - Fixing steel plate for fixing posterior cruciate ligament avulsion fracture of knee joint - Google Patents
Fixing steel plate for fixing posterior cruciate ligament avulsion fracture of knee joint Download PDFInfo
- Publication number
- CN209751199U CN209751199U CN201821995253.7U CN201821995253U CN209751199U CN 209751199 U CN209751199 U CN 209751199U CN 201821995253 U CN201821995253 U CN 201821995253U CN 209751199 U CN209751199 U CN 209751199U
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- Prior art keywords
- steel plate
- cruciate ligament
- knee joint
- hook
- plate hook
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Abstract
the utility model belongs to the technical field of orthopedic medical instruments, and discloses a fixing steel plate for fixing posterior cruciate ligament avulsion fracture of knee joint, which is provided with a steel plate hook with the length of about 2 cm; the steel plate hook with the length of about 2cm is provided with a front end of the steel plate hook, and the end part of the steel plate hook with the length of about 2cm is provided with an end part of the steel plate hook; an angle node of 10 degrees is arranged between the front end of the steel plate hook with the length of about 2cm and the steel plate. The steel plate is provided with a 3.5mm steel plate screw hole, the 3.5mm steel plate screw hole is connected with a screw by 2.7mm, the steel plate is attached to the tibia and is specified by the screw, the front end of the steel plate hook penetrates through the basal part of the cruciate ligament, and the front end of the steel plate hook is pressed on the upper end of the bone block. The utility model discloses the cooperation is used than the less screw fixation of conventional screw (2.7 mm), can reach fine fixed action.
Description
Technical Field
The utility model belongs to the technical field of orthopedics medical instrument, especially, relate to a fixed steel sheet of fixed knee joint back cruciate ligament tears nature fracture of taking off.
Background
Currently, the current state of the art commonly used in the industry is such that:
In the prior art, hollow nails with the diameter of 3.5mm or 4.5mm are mainly used for fixing the fractured bone blocks clinically, or rivets with threads are used for suturing and fixing the fractured parts, and no special steel plate is used for fixing the fractured bones clinically.
In summary, the problems of the prior art are as follows:
cruciate ligament avulsion nature fracture behind knee joint, the hollow nail of diameter 3.5mm or 4.5mm of often adopting carries out fracture internal fixation and handles, perhaps use the tape line rivet to sew up the processing, because of considering partial fracture piece size is different, the screw needs to punch on the bone piece and fixes, there is the risk of crushing the bone piece and sewing up fixed insecure, the postoperative generally needs to use the gypsum to assist external fixation braking 4 weeks, treat to get rid of that the gypsum external fixation back patient can have different degrees knee joint to stretch out to bend the activity restricted usually, need carry out the knee joint function recovery in the certain time and take exercise, resume normal activity of knee joint.
The difficulty and significance for solving the technical problems are as follows:
The knee joint posterior cruciate ligament of present design tears nature fracture steel sheet, can all press the bone piece that the size is indefinite under the steel sheet, uses the diameter to carry out the fixed processing once more for the solid screw that 2.7mm is littleer simultaneously, has solved the fixed not firm type of fracture piece that hollow screw and rivet appear, and the postoperative need not to carry out gypsum external fixation braking simultaneously and has handled, has reduced the limited risk of knee joint function.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides a fixed steel sheet of fixed knee joint posterior cruciate ligament tears nature fracture of taking off.
The utility model discloses a realize like this, a fixed steel sheet of fixed knee joint back cruciate ligament avulsion nature fracture is provided with:
A steel plate hook with the length of about 2 cm;
The steel plate hook with the length of about 2cm is provided with a front end of the steel plate hook, and the end part of the steel plate hook with the length of about 2cm is provided with an end part of the steel plate hook;
An angle node of 10 degrees is arranged between the front end of the steel plate hook with the length of about 2cm and the steel plate;
furthermore, the steel plate is provided with a 3.5mm steel plate screw hole, and the 3.5mm steel plate screw hole is connected with the screw by 2.7mm through threads.
Further, the steel plate is attached to the tibia and fixed by screws.
furthermore, the front end of the steel plate hook penetrates through the base part of the cruciate ligament, and the front end of the steel plate hook is pressed on the upper end of the bone block.
Furthermore, the thickness of the steel plate is 2.7mm, and the width of the steel plate is 7.5 mm.
In summary, the advantages and positive effects of the invention are:
The utility model discloses the cooperation is used than the less screw fixation of conventional screw (2.7 mm), can reach fine fixed action.
Drawings
Fig. 1 is a schematic structural view of a fixing steel plate for fixing posterior cruciate ligament avulsion fracture of knee joint according to the embodiment of the present invention.
Fig. 2 is a schematic view of a steel plate structure provided by the embodiment of the present invention.
fig. 3 is a schematic view of a screw structure provided by an embodiment of the present invention.
Fig. 4 is a schematic structural view of fixation of a cruciate ligament avulsion fracture steel plate after fixation of a knee joint according to an embodiment of the present invention.
In the figure: 1. steel plate hooks; 2. a steel plate front end; 3. an angle node of 10 °; 4. the end part of the steel plate hook; 5. steel plate screw holes; 6. a steel plate; 7. a screw; 8. bone blocks; 9. a tibia; 10. posterior cruciate ligaments of knee joint; and a strap 11.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, the fixing steel plate for fixing the torn fracture of cruciate ligament behind knee joint provided by the embodiment of the present invention comprises: the steel plate hook comprises a steel plate hook 1, an angle node 3 with the front end of the steel plate hook being 2 degrees or 10 degrees, an end part 4 of the steel plate hook, a steel plate screw hole 5, a steel plate 6, a screw 7, a bone block 8, a tibia 9, a knee joint posterior cruciate ligament 10 and a binding band 11.
Steel plate hook 1 is provided with steel plate hook front end 2, 1 tip of steel plate hook is provided with steel plate hook tip 4, be provided with 10 angle node 3 between steel plate hook front end 2 and the steel sheet 6, steel sheet 6 opens there is steel sheet screw hole 5, connect through knee joint back cruciate ligament 10 between the human bone, bone piece 8 is located shin bone 9, steel plate hook front end 2 passes cruciate ligament basilar part, 2 pressfittings of steel plate hook front end are in bone piece 8 upper ends, screw 7 passes through the screw and is connected with steel sheet screw hole 5, 6 steel sheets are attached on shin bone 9, and fix with bandage 11.
As a preferred embodiment of the present invention, the steel plate hook 1 is about 2cm long.
As the preferred embodiment of the utility model, the front end 2 of the steel plate hook can hook the bone block.
As a preferred embodiment of the present invention, the 10 ° angle node 3 is designed according to the human anatomy.
As the preferred embodiment of the utility model, the steel plate 6 is a titanium alloy steel plate with a thickness of 2.7mm and a width of 7.5 mm.
As a preferred embodiment of the present invention, the steel plate screw hole 5 is 3.5 mm.
as a preferred embodiment of the present invention, the screw 7 is 2.7 mm.
As a preferred embodiment of the present invention, the bone pieces 8 represent bone pieces of torn fractures of the posterior cruciate ligament of the knee joint.
The utility model discloses a theory of operation does:
During the operation, show shin bone knee joint rear side, and show distal end's knee joint back cruciate ligament 10, use the pincers that reset with the bone piece that fracture nature fracture was hit in the knee joint back cruciate ligament tear-off nature fracture steel sheet and reset the back, pass the steel sheet hook front end 2 of this design's knee joint back cruciate ligament tear-off nature fracture steel sheet through cruciate ligament basilar part, push down the fracture piece, need not to carry out the moulding processing of steel sheet because of this steel sheet design has 10 angle node 3 in the art, save time, see the fracture and reset good back under the perspective, use the drill bit to form the screw passageway in steel sheet top 2.7 mm's screw hole 5, twist 2.7 mm's screw 7 afterwards and fix, the steel sheet distal end uses 3.5 mm's screw 7 to be fixed in.
the above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a fixed steel sheet of fixed knee joint posterior cruciate ligament avulsion nature fracture which characterized in that, fixed knee joint posterior cruciate ligament avulsion nature fracture's fixed steel sheet be provided with:
A steel plate hook with the length of about 2 cm;
The steel plate hook with the length of about 2cm is provided with a front end of the steel plate hook, and the end part of the steel plate hook with the length of about 2cm is provided with an end part of the steel plate hook;
an angle node of 10 degrees is arranged between the front end of the steel plate hook with the length of about 2cm and the steel plate;
The steel plate is provided with a 3.5mm steel plate screw hole, and the 3.5mm steel plate screw hole is connected with the screw by 2.7mm through threads.
2. The fixation plate for fixation of posterior cruciate ligament avulsion fracture of knee joint according to claim 1, wherein said plate is attached to tibia and bound with a binding band.
3. The fixation plate for posterior cruciate ligament avulsion fracture of knee joint according to claim 1, wherein the front end of said steel plate hook passes through the basal part of the cruciate ligament, and the front end of the steel plate hook is pressed on the upper end of the bone block.
4. the fixation steel plate for fixation of posterior cruciate ligament avulsion fracture of knee joint according to claim 1, wherein said steel plate is a titanium alloy steel plate with a thickness of 2.7mm and a width of 7.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821995253.7U CN209751199U (en) | 2018-11-30 | 2018-11-30 | Fixing steel plate for fixing posterior cruciate ligament avulsion fracture of knee joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821995253.7U CN209751199U (en) | 2018-11-30 | 2018-11-30 | Fixing steel plate for fixing posterior cruciate ligament avulsion fracture of knee joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209751199U true CN209751199U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821995253.7U Expired - Fee Related CN209751199U (en) | 2018-11-30 | 2018-11-30 | Fixing steel plate for fixing posterior cruciate ligament avulsion fracture of knee joint |
Country Status (1)
| Country | Link |
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| CN (1) | CN209751199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111904570A (en) * | 2020-09-21 | 2020-11-10 | 山东大学齐鲁医院(青岛) | Fixing structure for tibial tubercle fracture |
-
2018
- 2018-11-30 CN CN201821995253.7U patent/CN209751199U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111904570A (en) * | 2020-09-21 | 2020-11-10 | 山东大学齐鲁医院(青岛) | Fixing structure for tibial tubercle fracture |
| CN111904570B (en) * | 2020-09-21 | 2022-03-01 | 山东大学齐鲁医院(青岛) | Fixing structure for tibial tubercle fracture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20201130 |