CN204909614U - Treatment tibial plateau fracture's fixing system - Google Patents
Treatment tibial plateau fracture's fixing system Download PDFInfo
- Publication number
- CN204909614U CN204909614U CN201520641123.3U CN201520641123U CN204909614U CN 204909614 U CN204909614 U CN 204909614U CN 201520641123 U CN201520641123 U CN 201520641123U CN 204909614 U CN204909614 U CN 204909614U
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- Prior art keywords
- fracture
- tibial plateau
- treatment
- open type
- annular slab
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Abstract
The utility model discloses a treatment tibial plateau fracture's fixing system, it includes locking plate and a plurality of screw, locking plate is external in tibial plateau fracture department to the tibial plateau of fixed fracture, locking plate is the integrated into one piece structure, and includes open type annular slab and straight board, and the open type annular slab is connected in the one end of straight board, and the open type annular slab encircles and supports tibial plateau fracture department, straightens the other end of board and keeps away from the department in tibial plateau fracture to support fixed tibial plateau's fracture distal end, and all seted up a plurality of screw holes on open type annular slab and straight board, the screw hole that the screw nail goes into to correspond is in order to fix open type annular slab and straight board. The utility model discloses a fixing system can external treatment open tibial plateau fracture or the serious fracture of the closed tibial plateau fracture art soft tissue lesion in district, avoids infecting or downright bad appearance, still can provide sufficient mechanics stability, and the light and handy economical and practical of this system makes things convenient for the patient to live, has just lightened patient's economic burden.
Description
Technical field
This utility model relates to orthopedic medical device field, relates more specifically to a kind of fixed system for the treatment of fracture of the tibial plateau.
Background technology
In medical operating, to open fracture or the serious fracture of art district soft tissue injury, use traditional high by settling the therapeutic modality of inside-fixture to there is the incidence rate of the complication such as postoperative infection, flap necrosis; And apply traditional support arm and can avoid these risks, but there is the shortcomings such as volume is large, heavy, bring much inconvenience to patient.
Have research to point out to have the good feature of mechanical stability by external for locking steel plate, and its volume is little compared with support arm, facilitates patient's daily life, as sleep, clothing, strong side limbs walking etc.Therefore, external locking steel plate arises at the historic moment, and existing external locking steel plate is a kind of screw angle fixture, and the fixing of steel plate does not rely on bone frictional force to realize connection, but relies on the interlocking structure of steel plate self to realize completely.Therefore, external for locking steel plate being used for is treated extremity fracture by domestic and international many medical institutions, and all achieve good clinical efficacy, its application is extensive gradually.
But find in clinical practice, fracture of the tibial plateau is the fracture that proximal tibia involves articular surface, and its classification of fracture is more complicated, treat more difficult when merging soft tissue injury.And fracture of the tibial plateau often involves the interior outside of tibial plateau, inner side and rear outside even, cause during operative treatment, applying current existing straight shape or the external locking steel plate of L shape, or need external multiple locking steel plate, so significantly increase the financial burden of patient.How cost-effective treatment merges the fracture of the tibial plateau of soft tissue injury, and facilitates patient to become a difficult problem for present orthopaedics therapy as far as possible.
Therefore, be necessary the fixed system of the treatment fracture of the tibial plateau that a kind of improvement is provided, merge the fracture of the tibial plateau of soft tissue injury with more economical effective treatment, and alleviate the financial burden of patient.
Utility model content
The purpose of this utility model is to provide a kind of fixed system for the treatment of fracture of the tibial plateau, this fixed system can the open fracture of the tibial plateau of external treatment or the serious fracture of closed operation of fracture of tibial plateau district soft tissue injury, avoid infection or the appearance of necrosis, also can provide enough mechanical stabilities, this system is lightly economical and practical, facilitate minimal invasive treatment, and alleviate the financial burden of patient.
For achieving the above object, this utility model provides a kind of fixed system for the treatment of fracture of the tibial plateau, and it comprises locking steel plate and some screws, and described locking steel plate is placed on fracture of the tibial plateau place, with the tibial plateau of fixing fracture; Described locking steel plate is formed in one structure, and comprise open type annular slab and straight plate, described open type annular slab is connected to one end of described straight plate, described open type annular slab is around support fracture of the tibial plateau place, the other end of described straight plate is away from fracture of the tibial plateau place, to support the fracture far-end of fixed tibial platform; And some screwed holes are all offered on described open type annular slab and straight plate, described screw hammers into corresponding screwed hole with fixing described open type annular slab and straight plate.
Preferably, described open type annular slab is semi-circular plate, and the radius of semi-circular plate is greater than the radius of tibial plateau epimere.
Preferably, described semi-circular plate and described straight plate offer at least one row's screwed hole.
Preferably, inner side and the described straight plate of described semi-circular plate are that hypsokinesis 3-10 ° is connected, and the junction of described semi-circular plate and described straight plate is curved.
Preferably, described screw comprises head, middle part and afterbody, and described afterbody is provided with the screw thread corresponding with screwed hole.
Preferably, described screw is made of titanium, and described head is provided with screw thread, and described head has self tapping.
Preferably, described head comprises tip with anterior, and described tip is provided with the cutting groove with the reverse characteristic of brill certainly.
Preferably, the degree of depth of described front threads is greater than the degree of depth of described tip screw thread, and the density of described tip screw thread is greater than the density of described front threads.
Preferably, the internal diameter at described middle part is less than the internal diameter of described front portion, and the internal diameter at described middle part is identical with the internal diameter size of described tip.
Preferably, the length of described screw is 30-105 millimeter.
Compared with prior art, the fixed system for the treatment of fracture of the tibial plateau of the present utility model is placed on fracture of the tibial plateau place due to described locking steel plate, thus can well be used for treating open fracture or the serious fracture of art district soft tissue injury, and the generation of postoperative infection or downright bad situation can be avoided, expand the scope that it uses, improve therapeutic effect, simultaneously, after Rehabilitation, lay down screw direct for described locking steel plate percutaneous to be taken out outward, without the need to again through operation or anesthesia, simplify therapeutic process, shorten the course for the treatment of; In addition, because described locking steel plate is formed in one structure, and comprise open type annular slab and straight plate, described open type annular slab is connected to one end of described straight plate, described open type annular slab is around support fracture of the tibial plateau place, the other end of described straight plate is away from fracture of the tibial plateau place, thus uses one piece of locking steel plate normally to treat fracture of the tibial plateau, alleviates the financial burden of patient; And described locking steel plate by with multiple screw with the use of enough mechanical stabilities can be provided, be not only conducive to the rehabilitation of patient, and facilitate the daily life of patient.
By following description also by reference to the accompanying drawings, this utility model will become more clear, and these accompanying drawings are for explaining embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of the fixed system of this utility model treatment fracture of the tibial plateau.
Fig. 2 is that the fixed system of this utility model treatment fracture of the tibial plateau fixes the structural representation of the tibial plateau of fracture.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is the left view of Fig. 1.
Fig. 5 is the structural representation of the screw of the fixed system of this utility model treatment fracture of the tibial plateau.
Fig. 6 be in Fig. 5 part B along the part cut-away view of A-A line.
Fig. 7 be in Fig. 5 C part along the part cut-away view of A-A line.
Detailed description of the invention
With reference now to accompanying drawing, describe embodiment of the present utility model, element numbers similar in accompanying drawing represents similar element.As mentioned above, this utility model provides a kind of fixed system for the treatment of fracture of the tibial plateau, this fixed system can the open fracture of the tibial plateau of external treatment or the serious fracture of closed operation of fracture of tibial plateau district soft tissue injury, avoid infection or the appearance of necrosis, also can provide enough mechanical stabilities, this system is lightly economical and practical, facilitates minimal invasive treatment, and alleviates the financial burden of patient.
Incorporated by reference to reference to figure 1 and Fig. 2.As shown in the figure, the fixed system for the treatment of fracture of the tibial plateau of the present utility model, comprise locking steel plate 100 and some screws 400, described locking steel plate is placed on tibial plateau 101 fracture (see Fig. 2), with the tibial plateau 101 of fixing fracture, the structure and described locking steel plate 100 is formed in one, thus make the fixed system for the treatment of fracture of the tibial plateau of the present utility model can be used for the open fracture of the tibial plateau of external treatment or the serious fracture of closed operation of fracture of tibial plateau district soft tissue injury, and the appearance of soft tissue infection of art district or downright bad situation can be avoided over the course for the treatment of, accelerate the rehabilitation of patient.Wherein, described locking steel plate 100 comprises open type annular slab 200 and straight plate 300; And described open type annular slab 200 is connected to one end of described straight plate 300, described open type annular slab 200 is around support tibial plateau 101 fracture (see Fig. 2), thus can the sclerite at the place such as inner side, outside, rear outside, rear inner side of fixed tibial platform 101 by coordinating of the screwed hole 401 of described open type annular slab 200 and screw 400, thus enough mechanical stabilities can be provided to tibial plateau, be beneficial to stable fracture and union of fracture.The other end of described straight plate 300 is away from tibial plateau 101 fracture; to support the fracture far-end of fixed tibial platform 101; thus described open type annular slab 200 coordinates to provide enough support degrees to tibial plateau 101 with described straight plate 300; make fixing of tibial plateau 101 more stable; be beneficial to union of fracture, also facilitate the daily routines between convalescence simultaneously.Described open type annular slab 200 with straight plate 300 all offer some screwed holes 401, and described screw 400 hammers into corresponding screwed hole 401 with fixing described open type annular slab 200 and straight plate 100.In addition, in preferred implementation of the present utility model, described open type annular slab 200 is semi-circular plate, and the radius of semi-circular plate is greater than the radius (see Fig. 2) of tibial plateau epimere, to make described semi-circular plate 200 can wrap up described tibial plateau 101 completely, to provide enough support degrees.Further, described semi-circular plate 200 and described straight plate 300 offer at least one row's screwed hole 401; As shown in the figure, in this utility model, described straight plate 300 offers row's screwed hole 401, described semi-circular plate 200 offers two row's screwed holes 401; Apparently, be not limited in this mode, in order to the tibial plateau 101 allowing the better fixed support of described locking steel plate 100 fracture, described screwed hole 401 can arrange more accordingly.
From the above, the fixed system for the treatment of fracture of the tibial plateau of the present utility model uses a locking steel plate 100 to be placed on treatment tibial plateau 101 fracture can treat open fracture of the tibial plateau or closed fracture of the tibial plateau and the serious patient of art district soft tissue injury effectively, and the appearance of soft tissue infection of art district or downright bad situation can be avoided over the course for the treatment of, accelerate the rehabilitation of patient, also significantly reduce the financial burden of patient simultaneously; Meanwhile, after Rehabilitation, laying down screw 400 can take out direct for described locking steel plate 100 percutaneous outward, without the need to again through operation or anesthesia, simplifies therapeutic process, shortens the course for the treatment of.
Please combine again with reference to figure 3 and Fig. 4, specifically describe the fixed system of this utility model treatment fracture of the tibial plateau further.The inner side of described semi-circular plate 200 is connected (as shown in Figure 4) in hypsokinesis 3-10 ° with described straight plate 300, thus making described and described semi-circular plate 200 more firmly can support the fracture of tibial plateau 101, the fracture far-end of tibial plateau 101 then firmly supported by described straight plate 300.And the junction curved (as shown in Figure 3) of described semi-circular plate 200 and described straight plate 300, thus shorten and straight plate 300 and the distance of tibial plateau 101, add the stability of fracture fixation, be beneficial to maintenance and the union of fracture of fracture.
Please combine again with reference to figure 5-7, describe the concrete structure of the screw 400 of the fixed system of this utility model treatment fracture of the tibial plateau.Described screw 400 comprises afterbody 430, head 420 and middle part 410, and described head 420 is provided with the screw thread 402 corresponding with screwed hole 401.Thus can described locking steel plate 100 be locked fixing by described screw 400, enough mechanical stabilities are provided; And described screw 400 only head 420 is provided with screw thread, stress can be avoided to concentrate, and fine motion can be provided, be beneficial to growth of spur, accelerate the rehabilitation of patient.Wherein, described afterbody 430 conically (see Fig. 5), so that described screw 400 hammers into external locking steel plate 100, and described afterbody 430 is provided with screw thread 402, and described screw thread 402 coordinates to lock described steel plate 100 with described screwed hole 401.Described middle part 410 between described afterbody 430 and head 420, and wherein said middle part 410 is not provided with screw thread, and it has the axial stress that rigidity can bear expection, also has crooking ability to a certain degree, is beneficial to callus and generates, accelerate the rehabilitation of patient.Described screw 400 is made of titanium, and titanium has biocompatibility, can not affect the normal rehabilitation of tibial plateau 101 after screw 400 is tufted into; And described head 420 has self tapping, not only have from brill characteristic but also can tapping be avoided, be beneficial to inserting of screw 400.As shown in Figure 5, described head 420 comprises tip 422 and anterior 421, and described tip 422 is provided with the reverse cutting groove 423 from boring, thus the head 420 of described screw 400 has second, and from boring, characteristic is also namely reverse bores characteristic certainly, be conducive to the area of new bone of wearing out when screw 400 takes out around cortical bone, after being convenient to Rehabilitation, dismantle described locking steel plate 100.As shown in Figures 6 and 7, the degree of depth of described anterior 421 screw threads 402 is greater than the degree of depth of described tip 422 screw thread 402, and the density of described tip 422 screw thread 402 is greater than the density of described anterior 421 screw threads 402, thus the applicable cortex of screw thread 402 of tip 422 is fixed, the applicable spongiosa of screw thread 402 of anterior 421 is fixed, to meet the characteristic of tibial plateau sclerotin.The internal diameter at described middle part 410 is less than the described internal diameter of anterior 421, and the internal diameter at described middle part 410 is identical with the internal diameter size of described tip 422, and in preferred implementation of the present utility model, the internal diameter 1mm less of the described internal diameter of anterior 421 at described middle part 410; Have an appointment the gap of 0.5mm in both sides in the screw conduits of nearside cortex, said middle part 410, there is certain activity space, thus be conducive to the growth of callus, decrease middle part 410 and concentrate with the stress of afterbody 430, avoid middle part 410 and the fracture of afterbody 430 and the generation of stress fracture.
In addition, in preferred embodiment of the present utility model, the length of described screw 400 is 30-105 millimeter, certainly actual use in be not limited in this, can according to the concrete condition of each patient flexible choice for use; Wherein, the length of screw 400 and the corresponding length in other each portion as shown in table 1 below.
| Screw length (mm) | Middle part (mm) | Anterior (mm) | Tip (mm) |
| 30 | 7 | 9 | 10 |
| 35 | 12 | 9 | 10 |
| 40 | 17 | 9 | 10 |
| 45 | 18 | 9 | 14 |
| 50 | 23 | 9 | 14 |
| 55 | 24 | 13 | 14 |
| 60 | 25 | 17 | 14 |
| 65 | 27 | 20 | 14 |
| 70 | 32 | 20 | 14 |
| 75 | 32 | 25 | 14 |
| 80 | 37 | 25 | 14 |
| 85 | 37 | 30 | 14 |
| 90 | 37 | 35 | 14 |
| 95 | 37 | 40 | 14 |
| 100 | 37 | 45 | 14 |
| 105 | 37 | 50 | 14 |
Table 1
As mentioned above, the fixed system for the treatment of fracture of the tibial plateau of the present utility model is cooperatively interacted by described locking steel plate 100 and each screw 400, use one piece of locking steel plate 100 external treatment can open fracture of the tibial plateau or closed fracture of the tibial plateau, alleviate the financial burden of patient; By external described locking steel plate 100, well can be used for treating open fracture or the serious fracture of art district soft tissue injury, and the generation of postoperative infection or soft tissue necrosis situation can be avoided, expand the scope that it uses, improve therapeutic effect; And described locking steel plate 100 by with multiple screw 400 with the use of enough mechanical stabilities can be provided, be not only conducive to the rehabilitation of patient, and facilitate the daily life of patient, after also facilitating Rehabilitation, remove described locking steel plate 100.
More than in conjunction with most preferred embodiment, this utility model is described, but this utility model is not limited to the embodiment of above announcement, and should contain various carry out according to essence of the present utility model amendment, equivalent combinations.
Claims (10)
1. treat a fixed system for fracture of the tibial plateau, it is characterized in that, comprise locking steel plate and some screws, described locking steel plate is placed on fracture of the tibial plateau place, with the tibial plateau of fixing fracture; Described locking steel plate is formed in one structure, and comprise open type annular slab and straight plate, described open type annular slab is connected to one end of described straight plate, described open type annular slab is around support fracture of the tibial plateau place, the other end of described straight plate is away from fracture of the tibial plateau place, to support the fracture far-end of fixed tibial platform; And some screwed holes are all offered on described open type annular slab and straight plate, described screw hammers into corresponding screwed hole with fixing described open type annular slab and straight plate.
2. the fixed system for the treatment of fracture of the tibial plateau as claimed in claim 1, it is characterized in that, described open type annular slab is semi-circular plate, and the radius of semi-circular plate is greater than the radius of tibial plateau epimere.
3. the fixed system for the treatment of fracture of the tibial plateau as claimed in claim 2, is characterized in that, described semi-circular plate and described straight plate offer at least one row's screwed hole.
4. the fixed system for the treatment of fracture of the tibial plateau as claimed in claim 3, it is characterized in that, inner side and the described straight plate of described semi-circular plate are that hypsokinesis 3-10 ° is connected, and the junction of described semi-circular plate and described straight plate is curved.
5. the fixed system for the treatment of fracture of the tibial plateau as claimed in claim 3, it is characterized in that, described screw comprises head, middle part and afterbody, and described afterbody is provided with the screw thread corresponding with screwed hole.
6. the fixed system for the treatment of fracture of the tibial plateau as claimed in claim 5, it is characterized in that, described screw is made of titanium, and described head is provided with screw thread, and described head has self tapping.
7. treat the fixed system of fracture of the tibial plateau as claimed in claim 6, it is characterized in that, described head comprises tip with anterior, and described tip is provided with the cutting groove with the reverse characteristic of brill certainly.
8. the fixed system for the treatment of fracture of the tibial plateau as claimed in claim 7, it is characterized in that, the degree of depth of described front threads is greater than the degree of depth of described tip screw thread, and the density of described tip screw thread is greater than the density of described front threads.
9. the fixed system for the treatment of fracture of the tibial plateau as claimed in claim 8, it is characterized in that, the internal diameter at described middle part is less than the internal diameter of described front portion, and the internal diameter at described middle part is identical with the internal diameter size of described tip.
10. the fixed system for the treatment of fracture of the tibial plateau as claimed in claim 9, it is characterized in that, the length of described screw is 30-105 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641123.3U CN204909614U (en) | 2015-08-24 | 2015-08-24 | Treatment tibial plateau fracture's fixing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641123.3U CN204909614U (en) | 2015-08-24 | 2015-08-24 | Treatment tibial plateau fracture's fixing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204909614U true CN204909614U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520641123.3U Withdrawn - After Issue CN204909614U (en) | 2015-08-24 | 2015-08-24 | Treatment tibial plateau fracture's fixing system |
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| Country | Link |
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| CN (1) | CN204909614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105213000A (en) * | 2015-08-24 | 2016-01-06 | 蒋俊威 | The fixed system for the treatment of fracture of the tibial plateau |
-
2015
- 2015-08-24 CN CN201520641123.3U patent/CN204909614U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105213000A (en) * | 2015-08-24 | 2016-01-06 | 蒋俊威 | The fixed system for the treatment of fracture of the tibial plateau |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151230 Effective date of abandoning: 20170405 |