CN204379413U - First sole of the foot wedge joint dorsal plate - Google Patents
First sole of the foot wedge joint dorsal plate Download PDFInfo
- Publication number
- CN204379413U CN204379413U CN201520022910.XU CN201520022910U CN204379413U CN 204379413 U CN204379413 U CN 204379413U CN 201520022910 U CN201520022910 U CN 201520022910U CN 204379413 U CN204379413 U CN 204379413U
- Authority
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- China
- Prior art keywords
- sole
- wedge joint
- foot wedge
- dorsal plate
- foot
- Prior art date
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- Expired - Fee Related
Links
- 210000002683 foot Anatomy 0.000 claims abstract description 93
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 32
- 230000004927 fusion Effects 0.000 claims abstract description 20
- 210000001872 metatarsal bone Anatomy 0.000 claims abstract description 19
- 210000000113 medial cuneiform Anatomy 0.000 claims abstract description 16
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 210000000845 cartilage Anatomy 0.000 abstract description 6
- 201000008482 osteoarthritis Diseases 0.000 abstract description 4
- 241000446313 Lamella Species 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 208000037873 arthrodesis Diseases 0.000 description 3
- 210000004872 soft tissue Anatomy 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008506 pathogenesis Effects 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 206010005963 Bone formation increased Diseases 0.000 description 1
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003789 metatarsus Anatomy 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
This utility model relates to technical field of medical instruments, especially a kind of first sole of the foot wedge joint dorsal plate, comprise: several fixing holes, described first sole of the foot wedge joint dorsal plate is also provided with the sliding eye of bone interblock pressurization when being convenient to the first sole of the foot wedge joint fusion, inside first sole of the foot wedge joint dorsal plate near-end and medial cuneiform bone, surface of bone form matches, and inside the first sole of the foot wedge joint dorsal plate far-end and first metatarsal basilar part, surface of bone form matches.One first sole of the foot wedge joint dorsal plate that this utility model provides, being fixed by articular lamella when being fixed, merging, avoid tradition through the first sole of the foot wedge joint screw fixing means to the first sole of the foot wedge articular surface cartilage destruction, reduce osteoarthritis incidence rate after wound, considerably increase the stability of internal fixtion during the first sole of the foot wedge joint fusion, improve fusion rate.
Description
Technical field
This utility model relates to technical field of medical instruments, especially a kind of first sole of the foot wedge joint dorsal plate.
Background technology
Proposed the first sole of the foot wedge joint fusion first for since orthopedic sufficient intoe, the Lapidus research sufficient intoe pathogenesis of report in 1934 and the first sole of the foot wedge arthrodesis from Albrecht in 1911, the first sole of the foot wedge arthrodesis progressively receives publicity.It is that metatarsus primus adduct deformity and First ray are unstable that Lapidus proposes the potential pathogenesis of intoe, the first sole of the foot wedge arthrodesis can in many planes correct deformity, stablize First ray, there is other advantages not available for intoe orthomorphia.Subsequently between 20 years, Lapidus reports the Long-term of severe intoe in this surgical orthopaedic of application in succession, and improves and specification this art formula technically.
Lapidus art formula comprises the first sole of the foot wedge joint fusion at first and first and second metatarsal basilar part merges.In the evolution in nearly 1st century, many scholars propose modification method of performing the operation, but are intended to generally reduce postoperative the first ray shortened deformity and strengthen fusion site constant intensity.Giannestras, Butson propose respectively, hyperosteogeny inside the first metatarsal head of excision can be implanted and merge articular surface, use Kirschner wire fixation between first and second metatarsal substrate simultaneously.Sangeorzan etc. report proposition, to there is the obvious cripetura patient of the first ray, self-iliac bone grafting can be adopted to recover its length, and intersect fixing with 2 pieces of screws.Afterwards for a long time in, this fixing means is regarded as the fixing goldstandard of Lapidus art formula.But some are needed to the patient of reservation first sole of the foot wedge articular surface cartilage, thisly through the first sole of the foot wedge joint screw fixing means, the first sole of the foot wedge articular surface soft tissue to be destroyed, add the incidence rate of later stage osteoarthritis.In addition for row first sole of the foot wedge joint fusion patient, the poor stability of simple screw internal fixtion, fusion rate is low.
Utility model content
The technical problems to be solved in the utility model is: in order to overcome in prior art, some need reservation first sole of the foot wedge articular surface cartilage patient, through the first sole of the foot wedge joint screw fixing means to the first sole of the foot wedge articular surface soft tissue destruction, increase the incidence rate of later stage osteoarthritis; And during row first sole of the foot wedge joint fusion, simple screw internal fixtion poor stability, the problem that fusion rate is low.This utility model provides a kind of first sole of the foot wedge joint dorsal plate, being fixed by articular lamella when being fixed, merging, avoid tradition through the first sole of the foot wedge joint screw fixing means to the first sole of the foot wedge articular surface cartilage destruction, reduce osteoarthritis incidence rate after wound, considerably increase the stability of internal fixtion during the first sole of the foot wedge joint fusion, improve fusion rate.
This utility model solves the technical scheme that its technical problem adopts:
A kind of first sole of the foot wedge joint dorsal plate, comprise: several fixing holes, for the first sole of the foot wedge joint dorsal plate is fixed on first metatarsal and medial cuneiform bone, described first sole of the foot wedge joint dorsal plate is also provided with the sliding eye of bone interblock pressurization when being convenient to the first sole of the foot wedge joint fusion, the geometry of space form of described first sole of the foot wedge joint dorsal plate and first metatarsal and medial cuneiform bone contact surface and first metatarsal and medial cuneiform bone configuration of surface match, namely the first sole of the foot wedge joint dorsal plate near-end and medial cuneiform bone dorsal part surface of bone form match, first sole of the foot wedge joint dorsal plate far-end and first metatarsal basilar part dorsal part surface of bone form match.
Particularly, the position in the first sole of the foot wedge joint when position of described sliding eye is fixed on first metatarsal and medial cuneiform bone with the first sole of the foot wedge joint dorsal plate is corresponding, and described sliding eye is positioned at the first sole of the foot wedge joint dorsal plate far-end.
As preferably, described first sole of the foot wedge joint dorsal plate near-end is at least provided with two fixing holes, and described first sole of the foot wedge joint dorsal plate far-end is at least provided with a fixing hole.
As preferably, described first sole of the foot wedge joint dorsal plate near-end is provided with two fixing holes, and described first sole of the foot wedge joint dorsal plate far-end is provided with a fixing hole.
Particularly, described first sole of the foot wedge joint dorsal plate is low incisura corrosion resistant plate, low incisura titanium plate or low incisura carbon steel sheet.
The beneficial effects of the utility model are: one first sole of the foot wedge joint dorsal plate that this utility model provides, allows fine motion between the first sole of the foot wedge articular surface when fixing as bridge-type plate, both retained the first sole of the foot wedge articular surface cartilage, play again the effect of restriction joint motion.When fixing as the first sole of the foot wedge joint fusion plate, bone grafting after removal articular surface cartilage, uses the first sole of the foot wedge joint dorsal plate far-end sliding eye to realize pressurizeing between the first sole of the foot wedge articular surface, improves fusion rate; This first sole of the foot wedge joint dorsal plate designs for anatomical form, is convenient to anatomical reduction, without the need in art again to the first sole of the foot wedge joint dorsal plate pre-bending, avoid bending in art to affect the first sole of the foot wedge joint dorsal plate intensity; First sole of the foot wedge joint dorsal plate design is fully according to the design of Asia human body anatomical curvature simultaneously, thickness of slab 1.8mm; Adopt the high-strength material designs such as rustless steel, pure titanium or carbon steel, be convenient to early stage passive exercise; Concealed edges designs, and adopts the screw head of a nail lower than bone plate designs simultaneously, reduces and stimulate surrounding soft tissue.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Fig. 1 is one first sole of the foot wedge joint dorsal plate of this utility model embodiment 1;
Fig. 2 is the upward view of Fig. 1;
In figure: 1. fixing hole, 2. sliding eye, 3. contact surface, 4. the first sole of the foot wedge joint dorsal plate near-end, 5.
First sole of the foot wedge joint dorsal plate far-end.
Detailed description of the invention
By reference to the accompanying drawings this utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with this utility model.
As Fig. 1, shown in Fig. 2, a kind of first sole of the foot wedge joint dorsal plate, for corrosion resistant plate, its thickness is 1.8mm, comprise the first sole of the foot wedge joint dorsal plate near-end 4 and the first sole of the foot wedge joint dorsal plate far-end 5, first sole of the foot wedge joint dorsal plate near-end 4 is provided with two fixing holes 1, first sole of the foot wedge joint dorsal plate far-end 5 is provided with a fixing hole 1, first sole of the foot wedge joint dorsal plate is also provided with the sliding eye 2 of bone interblock pressurization when being convenient to the first sole of the foot wedge joint fusion, the position in the first sole of the foot wedge joint when position and the articular lamella of sliding eye 2 are fixed on first metatarsal and medial cuneiform bone is corresponding, sliding eye 2 is positioned at the first dorsal plate far-end 5 place, sole of the foot wedge joint, the geometry of space form of the first sole of the foot wedge joint dorsal plate and first metatarsal and medial cuneiform bone contact surface 3 and first metatarsal and medial cuneiform bone configuration of surface match, namely the first sole of the foot wedge joint dorsal plate near-end 4 matches with medial cuneiform bone dorsal part surface of bone form, and the first sole of the foot wedge joint dorsal plate far-end 5 matches with first metatarsal basilar part dorsal part surface of bone form.
When carrying out the first sole of the foot wedge facet fusion surgery, first sole of the foot wedge joint dorsal plate near-end 4 is provided with two fixing holes 1, for fixing medial cuneiform bone, first sole of the foot wedge joint dorsal plate far-end 5 is provided with a fixing hole 1, for fixing first metatarsal basilar part, wherein sliding eye 2 is for bone interblock pressurization during the first sole of the foot wedge joint fusion, for the first sole of the foot wedge joint fusion provides the stability of more leading and leaning on.In order to avoid the incisura of postoperative first sole of the foot wedge joint dorsal plate or screw is too high, two kinds of screws of locking 2.7mm and non-locking 2.7mm can be selected.
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 (5)
1. a sole of the foot wedge joint dorsal plate, it is characterized in that comprising: several fixing holes (1), for the first sole of the foot wedge joint dorsal plate is fixed on first metatarsal and medial cuneiform bone, described first sole of the foot wedge joint dorsal plate is also provided with the sliding eye (2) of bone interblock pressurization when being convenient to the first sole of the foot wedge joint fusion, the geometry of space form of described first sole of the foot wedge joint dorsal plate and first metatarsal and medial cuneiform bone contact surface (3) and first metatarsal and medial cuneiform bone configuration of surface match, namely the first sole of the foot wedge joint dorsal plate near-end (4) and medial cuneiform bone dorsal part surface of bone form match, first sole of the foot wedge joint dorsal plate far-end (5) and first metatarsal basilar part dorsal part surface of bone form match.
2. the first sole of the foot wedge joint dorsal plate as claimed in claim 1, it is characterized in that: the position in the first sole of the foot wedge joint when position of described sliding eye (2) is fixed on first metatarsal and medial cuneiform bone with the first sole of the foot wedge joint dorsal plate is corresponding, described sliding eye (2) is positioned at the first dorsal plate far-end (5) place, sole of the foot wedge joint.
3. the first sole of the foot wedge joint dorsal plate as claimed in claim 1, it is characterized in that: described first sole of the foot wedge joint dorsal plate near-end (4) is at least provided with two fixing holes (1), described first sole of the foot wedge joint dorsal plate far-end (5) is at least provided with a fixing hole (1).
4. the first sole of the foot wedge joint dorsal plate as claimed in claim 1, it is characterized in that: described first sole of the foot wedge joint dorsal plate near-end (4) is provided with two fixing holes (1), described first sole of the foot wedge joint dorsal plate far-end (5) is provided with a fixing hole (1).
5. the first sole of the foot wedge joint dorsal plate as claimed in claim 1, is characterized in that: described first sole of the foot wedge joint dorsal plate is low incisura corrosion resistant plate, low incisura titanium plate or low incisura carbon steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022910.XU CN204379413U (en) | 2015-01-13 | 2015-01-13 | First sole of the foot wedge joint dorsal plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022910.XU CN204379413U (en) | 2015-01-13 | 2015-01-13 | First sole of the foot wedge joint dorsal plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204379413U true CN204379413U (en) | 2015-06-10 |
Family
ID=53352174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520022910.XU Expired - Fee Related CN204379413U (en) | 2015-01-13 | 2015-01-13 | First sole of the foot wedge joint dorsal plate |
Country Status (1)
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| CN (1) | CN204379413U (en) |
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- 2015-01-13 CN CN201520022910.XU patent/CN204379413U/en not_active Expired - Fee Related
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