CN204410950U - Sole of the foot wedge articular lamella - Google Patents
Sole of the foot wedge articular lamella Download PDFInfo
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- CN204410950U CN204410950U CN201420786711.1U CN201420786711U CN204410950U CN 204410950 U CN204410950 U CN 204410950U CN 201420786711 U CN201420786711 U CN 201420786711U CN 204410950 U CN204410950 U CN 204410950U
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- sole
- articular lamella
- foot wedge
- wedge
- foot
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Abstract
This utility model relates to technical field of medical instruments, this utility model discloses a kind of sole of the foot wedge articular lamella, comprise the first sole of the foot wedge articular lamella, second sole of the foot wedge articular lamella, 3rd plate body and the 4th plate body, and described 3rd plate body two ends are connected in the middle of described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella, and described 4th plate body two ends are connected to described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella one end, described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella are respectively equipped with a sliding eye, and described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella are provided with some fixing holes.This utility model steel plate belongs to the low incisura steel plate of anatomical form, adopts anatomical form design, is convenient to anatomical reduction, without the need to steel plate pre-bending in operation, save operating time, avoid bending on the impact of armor plate strength, first, second sole of the foot wedge articular lamella near-end fixing hole is that space multistory type is fixed.
Description
Technical field
This utility model relates to medical instruments field, especially a kind of sole of the foot wedge articular lamella.
Background technology
Lisfrance joint, i.e. tarsometatarsal joints are the joints between front mesopodium, i.e. the joint that formed of first, second, third metatarsal basilar part and corresponding cubitale, and the 4th, the joint that formed of fifth metatarsal bone basilar part and cuboid.Tarsometatarsal joints participates in composition footstep planning longitudinal arch (first metatarsal and medial cuneiform bone), lateral longitudinal arch (the 5th metatarsal and cuboid) and middle crossbows (interior middle ectocuneiform bone and cuboid), plays an important role for the sufficient normal morphology of maintenance.Lisfranc joint injury and tarsometatarsal joints fracture-dislocation are a kind of intraarticular damage of broad sense.
At present clinically for the obvious Lisfranc damage of displacement, advocate open reduction, Titanic micro-plates.Internal fixation material mainly adopts screw, but screw constant intensity is inadequate and unstable, along with the lower functional exercise of postoperative patient heavy burden, easily occurs reset loss or screw extraction, finally causes operative failure.And classical Lisfranc screw needs trans-articular to fix, sole of the foot wedge joint and the thin-skinned bone injury of articulationes intercuneiformes can be increased the weight of further, osteoarthritis risk after increase post-surgical trauma.
Utility model content
The technical problems to be solved in the utility model is: in order to solve the fixing stability of Lisfrance damage and intensity difference problem, this utility model provides a kind of sole of the foot wedge articular lamella, by adopting integrated design, each position skeleton is fixed respectively with the first sole of the foot wedge articular lamella and the second sole of the foot wedge articular lamella, form an overall fixed structure, efficiently solve fixing stability and strength problem.
This utility model is by the following technical solutions:
A kind of sole of the foot wedge articular lamella, comprise the first sole of the foot wedge articular lamella, the second sole of the foot wedge articular lamella, the 3rd plate body and the 4th plate body, and described 3rd plate body two ends are connected in the middle of described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella, and described 4th plate body two ends are connected to described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella one end, described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella are respectively equipped with a sliding eye, and described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella are provided with some fixing holes.
Also comprise a kink, it is located at described first sole of the foot wedge articular lamella and described 4th plate body junction, and described kink is formed after described second sole of the foot wedge articular lamella direction bending.
Described kink is also provided with a fixing hole.
Described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella are equipped with four fixing holes, and described sliding eye both sides are respectively provided with two.
Described sliding eye is located at described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella and described 3rd plate body junction respectively.
Described first sole of the foot wedge articular lamella, the second sole of the foot wedge articular lamella, the 3rd plate body and the 4th plate body are the one in corrosion resistant plate, Titanium board or carbon steel sheet.
This utility model belongs to the low incisura steel plate of anatomical form, both can be used as bridge-type steel plate application, also can be used as and merges steel plate application.When joint fusion, can rejecting articular cartilage after bone grafting, the original anatomical position of bone block can be maintained after Interal fixation.
This utility model adopts anatomical form design, be convenient to anatomical reduction, without the need to steel plate pre-bending in operation, save operating time, avoid bending on the impact of armor plate strength, first, second sole of the foot wedge articular lamella near-end fixing hole is that space multistory type is fixed, and fixes medial cuneiform bone and second metatarsal bone basilar part, have stronger hold to inner side, intermediate cuneiform bone, second metatarsal bone basilar part by kink place fixing hole.Steel plate and screw designs fully take into account Asia human body anatomical curvature design, Anatomical Reconstruction arch of foot in art is fixedly convenient in multi-joint face, sliding eye is for bone interblock pressurization during sole of the foot wedge joint fusion, for joint fusion provides better stability, the screw head of a nail reduces soft tissue irritation lower than steel plate design and concealed edges design, and this utility model is conducive to early postoperation functional exercise.This utility model is applicable to Lisfrance damage, is also applicable to sole of the foot midtarsal joints inflammation, pes cavus patient.When this utility model uses as bridge-type steel plate, articular surface cartilage can be retained, avoid the further destruction of classical Lisfranc screw anti-pode wedge joint and the thin-skinned bone of articulationes intercuneiformes, reduce the incidence rate of osteoarthritis after wound, play again the effect of restriction joint motion.When this utility model uses as fusion steel plate, bone grafting after removal articular surface cartilage, and adopt sliding eye to realize pressurizeing between sole of the foot wedge articular surface, or coordinate lag screw, can greatly improve joint fusion rate.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Fig. 1 is the structural representation of this utility model sole of the foot wedge articular lamella.
Detailed description of the invention
By reference to the accompanying drawings this utility model is described in further detail now.These accompanying drawings are rough schematic view, and only in a schematic way this utility model basic structure is described, therefore it only shows the formation relevant with this utility model.
Embodiment 1: as shown in Figure 1, a kind of sole of the foot wedge articular lamella, comprise the first sole of the foot wedge articular lamella 1, second sole of the foot wedge articular lamella 2, 3rd plate body 3 and the 4th plate body 4, and described 3rd plate body 3 two ends are connected in the middle of described first sole of the foot wedge articular lamella 1 and described second sole of the foot wedge articular lamella 2, and described 4th plate body 4 two ends are connected to described first sole of the foot wedge articular lamella 1 and described second sole of the foot wedge articular lamella 2 one end, described first sole of the foot wedge articular lamella 1 and described second sole of the foot wedge articular lamella 2 are respectively equipped with a sliding eye 5, and described first sole of the foot wedge articular lamella 1 and described second sole of the foot wedge articular lamella 2 are provided with some fixing holes 6.
Described sliding eye 5 is located at described first sole of the foot wedge articular lamella 1 and described second sole of the foot wedge articular lamella 2 and described 3rd plate body 3 junction respectively.
This utility model also comprises a kink 7, and it is located at described first sole of the foot wedge articular lamella 1 and described 4th plate body 4 junction, and described kink 7 is formed after described second sole of the foot wedge articular lamella direction bending, described kink 7 is also provided with a fixing hole 6.
Described first sole of the foot wedge articular lamella 1 and described second sole of the foot wedge articular lamella 2 are equipped with four fixing holes 6, and described sliding eye 5 both sides are respectively provided with two.
Described first sole of the foot wedge articular lamella 1, second sole of the foot wedge articular lamella 2, 3rd plate body 3, 4th plate body 4 and kink 7 also can be other materials for rustless steel osteotomy plate, and thickness of slab 1.8mm, first sole of the foot wedge articular lamella is provided with the fixing hole of two fixing medial cuneiform bones near the 4th plate body side, first sole of the foot wedge articular lamella is provided with the fixing hole of two fixing first metatarsals near the 3rd plate body side, second sole of the foot wedge articular lamella is provided with the fixing hole of two fixing intermediate cuneiform bones near the 4th plate body side, second sole of the foot wedge articular lamella is provided with the fixing hole of two fixing second metatarsal bones near the 3rd plate body side, kink 7 place is provided with a fixing hole, for fixing medial cuneiform bone and second metatarsal bone basilar part, it is fixing that sliding eye is used for pressurization between metatarsal and cubitale.
When this utility model is as sole of the foot wedge joint fusion plate, structure is identical with the structure of sole of the foot wedge joint bridge-type plate.
In this embodiment, sole of the foot wedge articular lamella is fully according to the design of Asia human body anatomical curvature, thickness of slab 1.8mm, for being provided with female thread in the fixing hole of fixation steel plate, fixing hole can with diameter 2.7mm lock screw or diameter be 2.7mm non-locking screw or the two combine screw with the use of the configuration of, fixing hole, its head of a nail is lower than steel plate, and adopt concealed edges design, avoid Post operation steel plate or screw incisura too high, reduce soft tissue irritation.And adopting the high-strength material such as plate design and rustless steel, pure titanium or carbon steel, sliding eye is designed with to be beneficial between metatarsal and cubitale and pressurizes, and for joint fusion provides better stability, is convenient to early postoperation functional exercise, improves fusion rate.
When this utility model uses as bridge-type steel plate, allow fine motion between sole of the foot wedge articular surface, both articular surface cartilage had been retained, avoid the further destruction of classical Lisfranc screw anti-pode wedge joint and the thin-skinned bone of articulationes intercuneiformes, reduce the incidence rate of osteoarthritis after wound, play again the effect of restriction joint motion.
When using as fusion steel plate, sequence Lisfranc joint, two, inner side is fixed simultaneously, bone grafting after removal articular surface cartilage, and adopts sliding eye to realize pressurizeing between sole of the foot wedge articular surface, or coordinates lag screw, can greatly improve joint fusion rate.
The synthetism face of fusion plate of the present utility model matches with each bone surface form that contacts, without the need in art to steel plate pre-bending, greatly save operating time, avoid bending on the impact of armor plate strength.Between the lateral wall of two sliding eyes, increase by the 3rd plate body, this is made to merge slab integral more firmly stable, also enhance the firmness of the second sole of the foot wedge articular lamella and the first sole of the foot wedge articular lamella, shorten the recovery time after corrective surgery, fixing hole coordinates hollow screw to fix, and further enhancing stability.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content in description, must determine its technical scope according to right.
Claims (6)
1. a sole of the foot wedge articular lamella, it is characterized in that: comprise the first sole of the foot wedge articular lamella, the second sole of the foot wedge articular lamella, the 3rd plate body and the 4th plate body, and described 3rd plate body two ends are connected in the middle of described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella, and described 4th plate body two ends are connected to described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella one end, described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella are respectively equipped with a sliding eye, and described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella are provided with some fixing holes.
2. sole of the foot wedge articular lamella according to claim 1, is characterized in that: comprise a kink, and it is located at described first sole of the foot wedge articular lamella and described 3rd plate body junction, and described kink is formed after described second sole of the foot wedge articular lamella direction bending.
3. sole of the foot wedge articular lamella according to claim 2, is characterized in that: described kink is also provided with a fixing hole.
4. sole of the foot wedge articular lamella according to claim 1, is characterized in that: described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella are equipped with four fixing holes, and described sliding eye both sides are respectively provided with two.
5. sole of the foot wedge articular lamella according to claim 1, is characterized in that: described sliding eye is located at described first sole of the foot wedge articular lamella and described second sole of the foot wedge articular lamella and described 3rd plate body junction respectively.
6. as the sole of the foot wedge articular lamella in claim 1 to 5 as described in any one, it is characterized in that: described first sole of the foot wedge articular lamella, the second sole of the foot wedge articular lamella, the 3rd plate body, the 4th plate body and kink are the one in rustless steel osteotomy plate, pure titanium osteotomy plate or carbon steel osteotomy plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420786711.1U CN204410950U (en) | 2014-12-12 | 2014-12-12 | Sole of the foot wedge articular lamella |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420786711.1U CN204410950U (en) | 2014-12-12 | 2014-12-12 | Sole of the foot wedge articular lamella |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204410950U true CN204410950U (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420786711.1U Active CN204410950U (en) | 2014-12-12 | 2014-12-12 | Sole of the foot wedge articular lamella |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104490460A (en) * | 2015-01-13 | 2015-04-08 | 上海斯地德商务咨询中心 | First tread wedge joint plate |
| CN104546102A (en) * | 2015-01-12 | 2015-04-29 | 常州华森医疗器械有限公司 | Lisfrance joint injury fusion plate |
| CN109288573A (en) * | 2018-09-30 | 2019-02-01 | 创美得医疗器械（天津）有限公司 | The double fixedly locked synthetism structure of distal fibular A type fracture |
-
2014
- 2014-12-12 CN CN201420786711.1U patent/CN204410950U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104546102A (en) * | 2015-01-12 | 2015-04-29 | 常州华森医疗器械有限公司 | Lisfrance joint injury fusion plate |
| CN104490460A (en) * | 2015-01-13 | 2015-04-08 | 上海斯地德商务咨询中心 | First tread wedge joint plate |
| CN109288573A (en) * | 2018-09-30 | 2019-02-01 | 创美得医疗器械（天津）有限公司 | The double fixedly locked synthetism structure of distal fibular A type fracture |
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