CN208958302U - A kind of proximal tibia rear side round end locking steel plate - Google Patents
A kind of proximal tibia rear side round end locking steel plate Download PDFInfo
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- CN208958302U CN208958302U CN201821006605.1U CN201821006605U CN208958302U CN 208958302 U CN208958302 U CN 208958302U CN 201821006605 U CN201821006605 U CN 201821006605U CN 208958302 U CN208958302 U CN 208958302U
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- steel plate
- rear side
- round end
- end locking
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Abstract
The utility model provides a kind of proximal tibia rear side round end locking steel plate, round end locking steel plate is integrally formed on rear side of the proximal tibia, it is followed successively by straight trip portion, curved portion from bottom to top, and it is set to outside bone block fixed plate and tibial insertion of posterior cruciate ligament fixed plate after the shin bone in the curved portion, wherein: the straight trip portion matches with shaft of tibia anatomical structure, and several circular screw holes are longitudinally equipped in the straight trip portion；The curved portion is integrally connected to above the straight trip portion, and the bending radius of arc is 45mm, and the curved portion is equipped with several circular screw holes；Broken place is equipped in outside bone block fixed plate and tibial insertion of posterior cruciate ligament fixed plate after the shin bone.Round end locking steel plate on rear side of the proximal tibia of the utility model can according to circumstances need fracture on rear side of fixed tibial platform, help to improve the use scope and service performance of fixation steel plate, more fitting bone anatomy.
Description
Technical field
The utility model relates to round end locking steel plates on rear side of medical instruments field more particularly to a kind of proximal tibia.
Background technique
Fracture of tibial plateau is one of most common fracture in knee joint trauma.Knee joint turns over violence by inside/outside and is hit
It hits, or compresses violence etc. caused by falling and can lead to fracture of tibial malleolus.Since fracture of tibial plateau is typical joint in-seam
Folding, processing will have a huge impact knee joint function with prognosis.Meanwhile to be frequently accompanied by joint soft for fracture of tibial plateau
The damage of bone, knee ligament or meniscus, missed diagnosis and deals with improperly and all may cause deformity of knee, the line of force or stabilization
Problem leads to the obstacle of function of joint.Thus, diagnosis and processing for fracture of tibial plateau are in knee joint trauma surgery
Important topic.
In traditional fracture fixation mode, 2-3 block fracture steel is used generally according to the concrete condition of fracture of tibial plateau
Plate is fixed.However this fixed form will lead to steel plate and not be bonded with fracture site shape, further result in fracture fixation
Place's deformation.
It is well known that Proximal tibia fracture is such as dealt with improperly, the life and work after necessarily affecting patient's wound.
Chinese patent CN102525631A discloses a kind of for outer after the tibial plateau of fracture at posterior cruciate ligament of knee stop
Flank bone plate, side strip portion can be covered in bone face at posterior cruciate ligament of knee stop and effectively be fixed to it, handle at hook-shaped
There is certain radian in shape part, can attach good, main strip portion and shin with metaphysis when treating complex tibial plateau fracture
Outer rim attaches good after bone platform.However in practical application, the case where needing synthetism, is inconsistent, after the tibial plateau of the patent
Outside bone plate cannot be correspondingly adjusted according to different fracture situations well to be preferably bonded fracture site, thus
It will affect the effect of synthetism.
Utility model content
The technical problem to be solved by the utility model is in view of the drawbacks of the prior art, after a kind of proximal tibia is provided
Side round end locking steel plate can according to circumstances need fracture on rear side of fixed tibial platform, help to improve the use of fixation steel plate
Range and service performance, more fitting bone anatomy.
The utility model uses following technical scheme to solve above-mentioned technical problem:
A kind of proximal tibia rear side round end locking steel plate, the proximal tibia rear side round end locking steel plate are integrally formed,
Be followed successively by straight trip portion, curved portion from bottom to top, and after the shin bone being set in the curved portion outside bone block fixed plate and after
Ligamentaum cruciatum shin bone stop fixed plate, in which:
The straight trip portion matches with shaft of tibia anatomical structure, and several circular screws are longitudinally equipped in the straight trip portion
Hole；
The curved portion is integrally connected to above the straight trip portion, and the bending radius of arc is 45mm, the curved portion
It is equipped with several circular screw holes；
Broken place is equipped in outside bone block fixed plate and tibial insertion of posterior cruciate ligament fixed plate after the shin bone.
In order to further optimize the above technical scheme, the technical measures that the utility model is taken further include:
Further, the broken place is equipped with groove milling.
Further, the groove milling is set to the proximal tibia rear side round end locking steel plate towards the one of tibial plateau
Side.
Further, the straight trip portion with a thickness of 4mm；Outside bone block fixed plate and posterior cruciate ligament of knee shin after the shin bone
Bone stop fixed plate with a thickness of 3.3mm；The curved portion is in the transition structure of upper-thin-lower-thick, with straight trip portion junction
With a thickness of 4mm, with the shin bone after outside bone block fixed plate and tibial insertion of posterior cruciate ligament fixed plate with a thickness of
3.3mm；The depth of the groove milling is 0.8mm.
Further, outside bone block fixed plate is integrally connected to the side of the curved portion after the shin bone, with the arc
Shape portion, straight trip portion generally L shape；The tibial insertion of posterior cruciate ligament fixed plate is integrally connected to the upper of the curved portion
Portion, with the curved portion, straight trip portion generally " I " shape.
Further, the tibial insertion of posterior cruciate ligament fixed plate is arcuate structure, and the bending radius of arc is 13mm.
Further, the tibial insertion of posterior cruciate ligament fixed plate is opposite with the bending direction of the curved portion.
Further, the lateral length of the curved portion is greater than the lateral length in the straight trip portion, and the curved portion has
Having a bending radius is the lateral radian of 47mm.
Further, one is respectively provided in outside bone block fixed plate and tibial insertion of posterior cruciate ligament fixed plate after the shin bone
Circular screw hole.
Further, the entirety a length of 82 ± 0.5mm, width 34mm of the proximal tibia rear side round end locking steel plate；Institute
State a length of 37.5mm in straight trip portion；A length of 31.5mm of the curved portion；Outside bone block fixed plate is a length of after the shin bone
8.5mm；A length of 11.5mm of the tibial insertion of posterior cruciate ligament fixed plate.
The utility model is had the following technical effect that compared with prior art using above technical scheme
1) outside bone block fixed plate and tibial insertion of posterior cruciate ligament fixed plate, Neng Gougen after broken shin bone are provided with
Fracture on rear side of fixed tibial platform is needed according to situation, helps to improve the use scope and service performance of fixation steel plate.
It 2), can be when screw be fixed, according to different human body using the steel plate curved portion for being slightly less than human body bone block radian
Bone block shape is preferably bonded the structure of bone shin platform bone block, makes to fix more closely.
Detailed description of the invention
Fig. 1 is that the front view structure of the preferred embodiment of round end locking steel plate on rear side of a kind of proximal tibia of the utility model is shown
It is intended to；
Fig. 2 is the right side structural representation of Fig. 1；
Fig. 3 is the cross section view in the direction B-B in Fig. 1；
Appended drawing reference therein are as follows:
1- straight trip portion；2- curved portion；Outside bone block fixed plate after 3- shin bone；4- tibial insertion of posterior cruciate ligament fixed plate；
5- screw hole；The broken place 6-；7- groove milling.
Specific embodiment
The technical solution of the utility model is described in further detail with reference to the accompanying drawing.
Referring to figures 1-3, round end locking steel plate on rear side of a kind of proximal tibia, integrated molding obtain, whole a length of 82 ±
0.5mm, width 34mm；It is followed successively by straight trip portion 1, curved portion 2 from bottom to top, and after the shin bone being set in curved portion 2 outside
Side seam block fixed plate 3 and tibial insertion of posterior cruciate ligament fixed plate 4, in which:
Straight trip portion 1 matches with shaft of tibia anatomical structure, with a thickness of 4mm, length 37.5mm, and bottom width is 13 ±
0.5mm；The fore-and-aft distance being longitudinally equipped in the centre symmetry line in straight trip portion 1 between 2 circular screw holes, 5,2 screw holes 5
For 16mm, distance of the screw hole 5 of lower section apart from 1 bottom of straight trip portion is 8.5mm, and the aperture of screw hole 5 is 5.0mm, and screw is worn
Screw hole 5 is crossed for the straight trip portion 1 of round end locking steel plate on rear side of proximal tibia to be fixed on shaft of tibia；
Curved portion 2 is integrally connected to 1 top of straight trip portion, and the bending radius of arc is 45mm, the arc under the bending radius
2 radian of shape portion is slightly less than the radian of tibial plateau and shaft of tibia transition position, and principle is: steel plate is when fixed by screw, spiral shell
Pressure when nail is tightened internally makes steel plate curve inwardly, thus, the steel plate curved portion 2 for being slightly less than human body bone block radian being capable of root
According to the bone block shape of different human body, it is preferably bonded the structure of bone shin platform bone block, makes to fix more closely；The length of curved portion 2
Degree is 31.5mm, and thickness is in the transition structure of upper-thin-lower-thick, with 1 junction of straight trip portion with a thickness of outside after 4mm and shin bone
Bone block fixed plate 3 and tibial insertion of posterior cruciate ligament fixed plate 4 with a thickness of 3.3mm；The lateral length of curved portion 2 is greater than straight trip
The lateral length in portion 1, and it is the lateral radian of 47mm, the table of the transverse direction radian and shaft of tibia that curved portion 2, which has a bending radius,
Face radial arc is similar, and effect is that steel plate curved portion 2 is enabled to be preferably bonded human tibia body structure, makes to fix more
Closely；1 circular screw hole 5 is equipped at the position in straight trip portion 1 in curved portion 2, the aperture of screw hole 5 is 5.0mm,
It on the same line with the screw hole 5 in straight trip portion 1, and is 8.5mm at a distance from the screw hole 5 above straight trip portion 1；In curved portion
2 are equipped with upper and lower 2 row screw at the position of outside bone block fixed plate 3 and tibial insertion of posterior cruciate ligament fixed plate 4 after shin bone
Hole 5, in which: lower row is equipped with the circular screw hole 5 of 3 laterally homogeneous arrangements, and the aperture of screw hole 5 is 5.0mm, 3 screws
Lateral distance between hole 5 is 8mm, and the distance between 3 screw holes 5 and 2 lower section screw hole 5 of curved portion are 13.5mm；Upper row
Circular screw hole 5 equipped with 2 even arrangements of transverse direction, the aperture of screw hole 5 are 5.0mm, between 2 screw holes 5 laterally away from
From for 8mm, the distance between 2 screw holes 5 and lower row's screw hole 5 are 9.5mm；Bolts through bolt holes 5 are to be used for shin bone
The curved portion 2 of proximal rearward round end locking steel plate is fixed on proximal tibia；
It is equipped with broken place 6 in outside bone block fixed plate 3 and tibial insertion of posterior cruciate ligament fixed plate 4 after shin bone, it should
Broken place 6 is specifically configured to: outside bone block fixed plate 3 and tibial insertion of posterior cruciate ligament fixed plate 4 and arc after shin bone
The groove milling 7 that a depth is 0.8mm is respectively equipped at the position that portion 2 connects, groove milling 7 is set to round end locking steel on rear side of proximal tibia
Plate is towards the side of tibial plateau, in use, medical staff can be handed over by medical calm by outside bone block fixed plate 3 after shin bone and afterwards
Fork ligament shin bone stop fixed plate 4 is cut from groove milling 7, such as: when outside bone block needs fixed after shin bone, then after leaving shin bone
Outside bone block fixed plate 3 then cuts off posterior cruciate ligament of knee shin bone and stops when the bone block of tibial insertion of posterior cruciate ligament does not need be fixed
Point fixed plate 4, it is simple and convenient, the use scope and service performance of fixation steel plate are helped to improve, 7 structure of single side groove milling can
It avoids the place of fractureing from leaving burr, helps to maintain the slickness of steel plate and joint place of fracturing；Wherein, outside bone block is fixed after shin bone
The specific structure of plate 3 and tibial insertion of posterior cruciate ligament fixed plate 4 are as follows: bone block fixed plate 3 length in outside is 8.5mm after shin bone,
Its side for being integrally connected to curved portion 2, with curved portion 2, the generally L shape of straight trip portion 1；Tibial insertion of posterior cruciate ligament is fixed
4 length of plate is 11.5mm, the top of curved portion 2 is integrally connected to, with curved portion 2, straight trip portion 1 generally " I " shape；After intersect
Ligament shin bone stop fixed plate 4 is arcuate structure, the bending direction of arc and the bending direction of steel plate curved portion 2 on the contrary, its
The bending radius of arc is 13mm；It is respectively set in outside bone block fixed plate 3 and tibial insertion of posterior cruciate ligament fixed plate 4 after shin bone
There is a circular screw hole 5, in which: the aperture of the screw hole 5 after shin bone in outside bone block fixed plate 3 is 5.0mm, with curved portion
The lateral distance that the screw hole 5 after the shin bone at 3 position of outside bone block fixed plate is arranged on 2 is 8mm, fore-and-aft distance 1mm；Afterwards
The aperture of screw hole 5 in ligamentaum cruciatum shin bone stop fixed plate 4 is 5.0mm.
As can be seen from the above embodiments, round end locking steel plate on rear side of a kind of proximal tibia of the utility model, being provided with can roll over
Outside bone block fixed plate and tibial insertion of posterior cruciate ligament fixed plate after disconnected shin bone can according to circumstances need fixed tibial flat
Fracture, helps to improve the use scope and service performance of fixation steel plate on rear side of platform；Using the steel for being slightly less than human body bone block radian
Plate curved portion, according to the bone block shape of different human body, can be preferably bonded the knot of bone shin platform bone block when screw is fixed
Structure makes to fix more closely.
Specific embodiment of the utility model is described in detail above, but it is only used as example, the utility model
It is not restricted to particular embodiments described above.To those skilled in the art, any that this practical is equal
Modifications and substitutions are also all among the scope of the utility model.Therefore, the institute under the spirit and scope for not departing from the utility model
The equal transformation and modification of work, should all cover in the scope of the utility model.
Claims (10)
1. round end locking steel plate on rear side of a kind of proximal tibia, which is characterized in that round end locking steel plate is on rear side of the proximal tibia
It is integrally formed, is followed successively by straight trip portion (1), curved portion (2) from bottom to top, and after the shin bone being set on the curved portion (2)
Outside bone block fixed plate (3) and tibial insertion of posterior cruciate ligament fixed plate (4), in which:
The straight trip portion (1) matches with shaft of tibia anatomical structure, and several circular screws are longitudinally equipped on the straight trip portion (1)
Hole (5)；
The curved portion (2) is integrally connected to above the straight trip portion (1), and the bending radius of arc is 45mm, the arc
Portion (2) is equipped with several circular screw holes (5)；
Broken place is equipped in outside bone block fixed plate (3) and tibial insertion of posterior cruciate ligament fixed plate (4) after the shin bone
(6)。
2. round end locking steel plate on rear side of proximal tibia according to claim 1, which is characterized in that the broken place (6)
Equipped with groove milling (7).
3. round end locking steel plate on rear side of proximal tibia according to claim 2, which is characterized in that groove milling (7) setting
Round end locking steel plate is towards the side of tibial plateau on rear side of the proximal tibia.
4. round end locking steel plate on rear side of proximal tibia according to claim 2 or 3, which is characterized in that the straight trip portion (1)
With a thickness of 4mm；After the shin bone outside bone block fixed plate (3) and tibial insertion of posterior cruciate ligament fixed plate (4) with a thickness of
3.3mm；The curved portion (2) is in the transition structure of upper-thin-lower-thick, with straight trip portion (1) junction with a thickness of 4mm, with
After the shin bone outside bone block fixed plate (3) and tibial insertion of posterior cruciate ligament fixed plate (4) with a thickness of 3.3mm；The milling
The depth of slot (7) is 0.8mm.
5. round end locking steel plate on rear side of proximal tibia according to claim 1, which is characterized in that outer side seam after the shin bone
Block fixed plate (3) is integrally connected to the side of the curved portion (2), with the curved portion (2), straight trip portion (1) generally " L "
Shape；The tibial insertion of posterior cruciate ligament fixed plate (4) is integrally connected to the top of the curved portion (2), with the curved portion
(2), straight trip portion (1) generally " I " shape.
6. round end locking steel plate on rear side of proximal tibia according to claim 1 or 5, which is characterized in that intersect after described tough
Band shin bone stop fixed plate (4) is arcuate structure, and the bending radius of arc is 13mm.
7. round end locking steel plate on rear side of proximal tibia according to claim 6, which is characterized in that the posterior cruciate ligament of knee shin
Bone stop fixed plate (4) is opposite with the bending direction of the curved portion (2).
8. round end locking steel plate on rear side of proximal tibia according to claim 1, which is characterized in that the curved portion (2)
Lateral length is greater than the lateral length of the straight trip portion (1), and it is the transverse direction of 47mm that the curved portion (2), which has a bending radius,
Radian.
9. round end locking steel plate on rear side of proximal tibia according to claim 1, which is characterized in that outer side seam after the shin bone
A circular screw hole (5) is respectively provided in block fixed plate (3) and tibial insertion of posterior cruciate ligament fixed plate (4).
10. round end locking steel plate on rear side of proximal tibia according to claim 1, which is characterized in that after the proximal tibia
The entirety a length of 82 ± 0.5mm, width 34mm of side round end locking steel plate；A length of 37.5mm of the straight trip portion (1)；The arc
A length of 31.5mm in portion (2)；A length of 8.5mm of outside bone block fixed plate (3) after the shin bone；The posterior cruciate ligament of knee shin bone stops
A length of 11.5mm of point fixed plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821006605.1U CN208958302U (en) | 2018-06-28 | 2018-06-28 | A kind of proximal tibia rear side round end locking steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821006605.1U CN208958302U (en) | 2018-06-28 | 2018-06-28 | A kind of proximal tibia rear side round end locking steel plate |
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| Publication Number | Publication Date |
|---|---|
| CN208958302U true CN208958302U (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821006605.1U Active CN208958302U (en) | 2018-06-28 | 2018-06-28 | A kind of proximal tibia rear side round end locking steel plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220125045A (en) * | 2021-03-04 | 2022-09-14 | 주식회사 제일메디칼코퍼레이션 | Tibial plateau leveling osteotomy plate |
-
2018
- 2018-06-28 CN CN201821006605.1U patent/CN208958302U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220125045A (en) * | 2021-03-04 | 2022-09-14 | 주식회사 제일메디칼코퍼레이션 | Tibial plateau leveling osteotomy plate |
| KR102591828B1 (en) | 2021-03-04 | 2023-10-23 | 주식회사 제일메디칼코퍼레이션 | Tibial plateau leveling osteotomy plate |
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