CN209253083U - Hoffa fracture fixed steel plate - Google Patents
Hoffa fracture fixed steel plate Download PDFInfo
- Publication number
- CN209253083U CN209253083U CN201820639272.XU CN201820639272U CN209253083U CN 209253083 U CN209253083 U CN 209253083U CN 201820639272 U CN201820639272 U CN 201820639272U CN 209253083 U CN209253083 U CN 209253083U
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- Prior art keywords
- steel plate
- fixed
- condyle
- locking
- plate
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Abstract
It fractures the utility model discloses a kind of Hoffa and locks fixation steel plate, the reconstruction locking steel plate of distal femur postartis fixing end including strip, 7 locking screw holes are evenly equipped on the reconstruction locking steel plate, described one end for rebuilding locking steel plate is the condyle surface fixing end for fixed interior condyle surface or ectocondyle surface, condyle surface fixing end is equipped with 4 condyle surface fixed plates, each condyle surface fixed plate is strip, each condyle surface fixed plate is respectively positioned on described the same side for rebuilding locking steel plate, each condyle surface fixed plate is equipped with locking screw hole, the reconstruction locking steel plate is wholely set with each condyle surface fixed plate, the thickness for rebuilding locking steel plate is greater than the thickness of each condyle surface fixed plate.The shearing force of condyle of femur can be fought using the fixed Hoffa fracture of the Hoffa fracture fixed steel plate combination cancellous bone screw.
Description
Technical field
The utility model relates to manufacture technology field of medical appliance more particularly to a kind of Hoffa fracture fixed steel plates.
Background technique
Hoffa described the intra-articular external condyle coronal shear fractures of distal femur, Gu Guguyuanduanguan in 1904 for the first time
External condyle coronal shear fractures in section are named as Hoffa fracture.Hofa fracture incidence in limbs fracture is lower, Hoffa
Fracture belongs to intra-articular unstable fracture.Treatment for Hoffa fracture, it is now to advocate row open reduction and Kirschner wire fixation more, Gu
Determining mode mainly has: Kirschner wire, screw, and side supporting plate adds anteroposterior position screw etc..
But the above methods of internal fixation is defective, specific as follows: Kirschner wire resistance to plucking output capacity is weak, the easy withdraw of the needle, loosens, except anxious
It examines and generally does not advocate to use outside open operation；More document report is using at least 2 pieces of 6.5mm cancellous bone screws or hollow screw
The vertical fixed Hoffa fracture of fracture face pulling force, disadvantage is that sclerite can only be fixed, is insufficiently resistant to knee joint and bends and stretches
When sagittal plane shearing force and the interior stress that turns up, therefore simple screw is fixed with higher failure rate；Hollow screw combines side
Supporting plate can reach more strong fixation to Hoffa fracture, and the steel plate specifically used has T-shape steel plate, " L " fashioned iron
Plate, condyle plate, reconstruction plate etc.,
It is placed on the outside of condyle of femur through moulding, but above-mentioned steel plate is fractured not directed to Hoffa and specially designed, steel plate is using
Moulding repeatedly is needed in the process, extends operating time, and bending repeatedly, distortion when because of steel plate moulding, will lead to steel plate
Mechanical property reduce, increase Plate break risk；Due to being limited by plate profile, 1 can only be squeezed into fracture distal end~
2 pieces of screws, interior fixation are also not strong enough, it is often necessary to increase hollow screw and reinforce fixing, increase operating time and increase operation
Damage.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of Hoffa fracture fixed steel plates, use the Hoffa
The fixed Hoffa fracture of fracture fixed steel plate combination cancellous bone screw can fight the shearing force of condyle of femur.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of Hoffa fracture fixed steel plate, including
The reconstruction locking steel plate of the distal femur postartis fixing end of strip is evenly equipped with 7 locking screw holes, institute on the reconstruction locking steel plate
Stating and rebuilding one end of locking steel plate is for the condyle surface fixing end on condyle surface or ectocondyle surface in fixing, and the condyle surface is fixed
End is equipped with 4 condyle surface fixed plates, and each condyle surface fixed plate is strip, and each condyle surface fixed plate is respectively positioned on
It is described rebuild locking steel plate the same side, each condyle surface fixed plate be equipped with locking screw hole, the reconstructions locking steel plate and
Each condyle surface fixed plate is wholely set, and the thickness for rebuilding locking steel plate is greater than the thickness of each condyle surface fixed plate
Degree.
As an improvement mode, arbitrary neighborhood two it is described locking screw holes between spacing be 0.7~1.5 centimetre.
As an improvement mode, it is described rebuild locking steel plate length be 9.5 centimetres.
As an improvement mode, it is described rebuild locking steel plate with a thickness of 3 millimeters, the thickness of condyle surface fixed plate
Degree is 1 millimeter.
As an improvement mode, the angle between two condyle surface fixed plates of arbitrary neighborhood is 15 degree, described
The angle rebuild between locking steel plate and an adjacent condyle surface fixed plate is 30 degree.
As an improvement mode, be equipped with lock screw in the locking screw hole.
As an improvement mode, the condyle fixing end for rebuilding locking steel plate to the fixed backboard in each condyle surface
From direction bending.
As an improvement mode, steel plate screwhole diameter be 3.5mm.
Acquired technical effect by adopting the above technical scheme are as follows:
The Hoffa fracture fixed steel plate can save the time generated due to moulding steel plate repeatedly in operation so that steel plate with
Condyle of femur fixation it is more firm, be fixed by lock screw, do not need generally to increase other fixations, can save operating time and
Reduce surgical injury.Cutting for condyle of femur can be fought using the fixed Hoffa fracture of the Hoffa fracture fixed steel plate combination lock screw
Shear force, and it is fixed reliable, so that patient early stage is carried out loaded exercise.
Since the spacing between the arbitrary neighborhood two locking screw holes is 0.7~1.5 centimetre, worn by cancellous bone screw
Locking screw hole is crossed Hoffa fracture is fixed.
Due to it is described rebuild locking steel plate with a thickness of 3 millimeters, condyle surface fixed plate with a thickness of 1 millimeter, condyle table
The opposite thickness for rebuilding locking steel plate of the thickness of face fixed plate is small, can by the fixed plate benging in condyle surface to ectocondyle surface in femur
It fits fracture to be fixed.
Due to being equipped with lock screw in the locking screw hole, lock screw passes through locking screw hole and fracture is fixed.
It, can since the condyle fixing end for rebuilding locking steel plate is bent to the direction deviated from each condyle surface fixed plate
The fixation of larger amplitude is carried out to condyle of femur.
Detailed description of the invention
Fig. 1 is the structure sectional view of the utility model embodiment；
In figure, 1- rebuilds locking steel plate, 11- condyle surface fixing end, 2- condyle surface fixed plate, 3- locking screw hole.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of Hoffa fracture fixed steel plate, the reconstruction locking steel plate 1 including strip rebuild locking steel plate 1
Length be preferably 9.5 centimetres, the thickness for rebuilding locking steel plate 1 is preferably 3 millimeters, rebuilds uniformly distributed 7 lockings on locking steel plate 1
Screw hole 3, steel plate screwhole diameter are preferably 3.5mm, lock in screw hole 3 and are equipped with lock screw.
Spacing between arbitrary neighborhood two locking screw holes 3 is preferably 0.7~1.5 centimetre.Rebuild one end of locking steel plate 1
For the condyle surface fixing end 11 for fixed interior condyle surface or ectocondyle surface, condyle surface fixing end 11 is equipped with 4 condyle surfaces and fixes
Plate 2, the thickness of condyle surface fixed plate 2 are preferably 1 millimeter.Each condyle surface fixed plate 2 is strip, each condyle surface fixed plate 2
It is respectively positioned on the same side for rebuilding locking steel plate 1, each condyle surface fixed plate 2 is equipped with locking screw hole 3, and steel plate screwhole diameter is preferably
3.5mm.Lock screw is equipped in locking screw hole 3.Spacing between arbitrary neighborhood two locking screw holes 3 is preferably 0.7~1.5
Centimetre.Angle between two condyle surface fixed plates 2 of arbitrary neighborhood is preferably 15 degree, rebuilds locking steel plate 1 and adjacent condyle table
Angle between face fixed plate 2 is 30 degree.In the present embodiment, condyle surface fixed plate 2 is equipped with 4, and condyle surface fixed plate 2 can root
Increase and decrease according to actual needs.It rebuilds locking steel plate 1 to be wholely set with each condyle surface fixed plate 2, the thickness for rebuilding locking steel plate 1 is greater than
The thickness of each condyle surface fixed plate 2.In order to carry out the fixation of larger amplitude to condyle of femur, the condyle surface for rebuilding locking steel plate 1 is solid
Fixed end 11 is bent to the direction deviated from each condyle surface fixed plate 2.
The application method of the Hoffa fracture fixed steel plate are as follows:
After being attached to the distal femur of fracture patient after the reconstruction locking steel plate 1 of the Hoffa fracture fixed steel plate is bent
On condyle, then condyle surface fixed plate 2 is bent, condyle surface fixed plate 2 is made to be attached in the femur of fracture (outer) condyle surface,
The shape of each condyle surface fixed plate 2 can be trimmed between bending, so that the shape and fracture of condyle bending fixed plate 2
The shape on (outer) condyle surface is adapted in femur, is then passed through each locking screw hole 3 with fixing screws and is consolidated to Hoffa fracture
It is fixed.The fixed form can effectively antagonize the shearing force of condyle of femur, fixed reliable.
The utility model provides a kind of special internal fixation apparatus for treatment Hoffa fracture, can significantly improve clinical treatment
Hoffa fracture effect, is preferably many patients service.
Claims (8)
1. a kind of Hoffa fracture fixed steel plate, which is characterized in that the reconstruction of the distal femur postartis fixing end including strip locks
Steel plate, is evenly equipped with 7 locking screw holes on the reconstruction locking steel plate, and described one end for rebuilding locking steel plate is for condyle in fixed
The condyle surface fixing end on surface or ectocondyle surface, condyle surface fixing end are equipped with 4 condyle surface fixed plates, each condyle table
Face fixed plate is strip, and each condyle surface fixed plate is respectively positioned on described the same side for rebuilding locking steel plate, each condyle table
Face fixed plate is equipped with locking screw hole, and the reconstruction locking steel plate is wholely set with each condyle surface fixed plate, the reconstruction
The thickness of locking steel plate is greater than the thickness of each condyle surface fixed plate.
2. Hoffa fracture fixed steel plate as described in claim 1, which is characterized in that the arbitrary neighborhood two locking screw holes
Between spacing be 0.7~1.5 centimetre.
3. Hoffa fracture fixed steel plate as described in claim 1, which is characterized in that it is described rebuild locking steel plate length be
9.5 centimetre.
4. Hoffa fracture fixed steel plate as described in claim 1, which is characterized in that it is described rebuild locking steel plate with a thickness of 3
Millimeter, condyle surface fixed plate with a thickness of 1 millimeter.
5. Hoffa fracture fixed steel plate as described in claim 1, which is characterized in that the arbitrary neighborhood two condyle surfaces are solid
Angle between fixed board is 15 degree, and the angle rebuild between locking steel plate and adjacent condyle surface fixed plate is 30
Degree.
6. Hoffa fracture fixed steel plate as described in claim 1, which is characterized in that be equipped with locking in the locking screw hole
Screw.
7. Hoffa fracture fixed steel plate as described in claim 1, which is characterized in that the condyle for rebuilding locking steel plate is fixed
It holds to the direction deviated from each condyle surface fixed plate and is bent.
8. Hoffa fracture fixed steel plate as described in claim 1, which is characterized in that the locking screwhole diameter is 3.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820639272.XU CN209253083U (en) | 2018-04-28 | 2018-04-28 | Hoffa fracture fixed steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820639272.XU CN209253083U (en) | 2018-04-28 | 2018-04-28 | Hoffa fracture fixed steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209253083U true CN209253083U (en) | 2019-08-16 |
Family
ID=67555909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820639272.XU Expired - Fee Related CN209253083U (en) | 2018-04-28 | 2018-04-28 | Hoffa fracture fixed steel plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209253083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114209408A (en) * | 2021-12-18 | 2022-03-22 | 浙江大学 | Locking steel plate for locking, reconstructing and locking distal lateral condyle fracture of femur |
-
2018
- 2018-04-28 CN CN201820639272.XU patent/CN209253083U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114209408A (en) * | 2021-12-18 | 2022-03-22 | 浙江大学 | Locking steel plate for locking, reconstructing and locking distal lateral condyle fracture of femur |
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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 |
Granted publication date: 20190816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |