CN101966097A - Epiphysis retardant built-in 8-shaped steel plate and application thereof - Google Patents
Epiphysis retardant built-in 8-shaped steel plate and application thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1728—Guides or aligning means for drills, mills, pins or wires for holes for bone plates or plate screws
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8095—Wedge osteotomy devices
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Abstract
The invention relates to an epiphysis retardant built-in 8-shaped steel plate comprising two single-side pore plates, wherein the single-side pore plates are respectively provided with a hinged hole and are connected by a pivot through the hinged holes, and the two single-side pore plates can be assembled into a symmetrical 8-shaped steel plate. The invention also provides an application of the 8-shaped steel plate. The single-side pore plates of the 8-shaped steel plate are connected by hinges, so that a fixed screw does not have outward cutting force because of the arc-shaped structure of bones, and the steel plate implantation position and epiphysis retardant effect are maintained. The 8-shaped steel plate is provided with a gap big enough on the joint of the single-side pore plates to avoid pressing angles, and the steel plate dose not contact with the epiphysis when being implanted, thus avoiding epiphysis press and reducing damage. The animal experiment research proves that the 8-shaped steel plate can effectively control immature epiphysis growth and epiphysis appearance and is a safe and effective medical instrument in the half epiphysis retardant operation mode.
Description
[technical field]
The present invention relates to a kind of medical apparatus and instruments, specifically, is a kind of built-in 8 word steel plate and application thereof of epiphyseal arrest that are used for the treatment of teenager knee joint angulation deformity.
[background technology]
Teenager knee joint angulation deformity is one group of comparatively common lower limb abnormal development, generally comprises coronalplane and becomes the angle to become the angle with sagittal plane, and both can exist simultaneously.The coronalplane angulation deformity mainly contains special sending out in the property knee joint and turns up, turns up in the knee joint that epiphyseal disease such as Blount disease and wound, tumor cause.Sagittal plane becomes the angle generally to show as knee joint to be fixed in the flexing position, often to be secondary to cerebral palsy, spina bifida and other neuromuscular system diseases.The knee joint angulation deformity shows as abnormal gait, the gonalgia and dysfunction clinically, and severe patient can cause that hip joint and ankle joint are unusual.Most disease the childhood period can spontaneous recovery, yet pathologic lower limb angulation deformity treatment in time can cause more serious dysfunction, turning up in its treatment and the benign knee joint, there have to be basic different.
The angle of child's lower limb femur and tibia has physiological variation from neonate, child to teenager, and the angle of neonatal period femur and tibia is considered to normal for 15 °.Lower limb become directly gradually about 18 months, thereafter because of posture and active factor lower limb gradually are slight in knee, also just from that time, under the rectification of human body self, when reaching maturity slight in knee be normally, FTA is generally 4 °-6 ° scope.Physiological and pathologic fundamental difference are that the former correcting process is progressive, and be asymptomatic.Child's lower limb malformation can cause because of factors such as wound, infection, gene, tumor, metabolism or external force.Turn up in the agnogenic knee joint and be named as the special property sent out.
In recent decades, constantly develop for this class treatment of diseases method.Initial Therapeutic Method is to treat to go after the infant growth promoter is finished substantially femur or the orthopaedy of tibia wedge osteotomy, and this method is mainly used in the rectification of epiphyseal plate closure or adult patients knee joint angulation deformity now.Blount had proposed to utilize the growth of epiphysis nail restriction one side epiphyseal plate to correct the imbalance that grow both sides in 1949, had started the retardance of half epiphysis and had ruled the beginning for the treatment of the knee joint angulation deformity by law.The epiphysis nail is widely used in the treatment of all kinds of knee joint angulation deformities since then, but owing to there are a series of complication that take place frequently, as the displacement of epiphysis nail, fracture etc., rectification effect is not ideal enough, thereby in clinical practice, be subjected to certain restriction, the epiphysis screw is used in propositions such as Metaizeau in 1998 can solve the easily problem of displacement, easy fracture of epiphysis nail, but this method screw directly passes epiphyseal plate, epiphyseal plate has been caused the damage of irreversibility, application only limits to the age near the teenager infant in period of maturation stone age, so its range of application is wideless.Also be to have used 8 word steel plates in the domestic operation in this respect, but domestic present use is straight plate 8 word steel plates, can compressing be arranged to epiphysis after implanting, and may cause damage.
Chinese patent literature CN:201316311Y, on JIUYUE 30th, open day, disclose a kind of bone surgery U-shaped staple.This utility model discloses a kind of bone surgery U-shaped staple.Be made up of two pointed nail lower limbs of titanium alloy and middle titanium alloy shaped form connector, it is inverted U-shaped that global shape is, and is used for epiphyseal plate and fixes and osteoarthrosis deformity, trauma operation, but about sectional 8 word steel plates, yet there are no report.
[summary of the invention]
The objective of the invention is at deficiency of the prior art, provide a kind of epiphyseal arrest built-in 8 word steel plates.
One purpose more of the present invention is that the purposes of the built-in 8 word steel plates of epiphyseal arrest is provided.
For achieving the above object, the technical scheme that the present invention takes is: the built-in 8 word steel plates of a kind of epiphyseal arrest, comprise two one-sided orifice plates, be respectively equipped with hinge hole on the described one-sided orifice plate, connect two one-sided orifice plates by pivot by hinge hole, described two one-sided orifice plates can be assembled into symmetrical 8 word steel plates.
Described pivot is fixed by the mode of screw rod and nut.
Described pivot is fixed by the mode of screw rod and jump ring.
Described one-sided orifice plate centre bore to the distance of pivot hole is 6-10mm.
Described one-sided orifice plate centre bore to the distance of pivot hole is 6mm, 8mm or 10mm.
Described symmetrical 8 word steel plates are meant that two one-sided orifice plate centre bores are identical to the distance of pivot hole.
Two one-sided orifice plate centre bores of described symmetrical 8 word steel plates to the distance of pivot hole is respectively 6mm-6mm, 8mm-8mm or 10mm-10mm.
Described two one-sided orifice plates respectively have a breach below hinge hole, connect back formation and exempt to press the angle.
For realizing above-mentioned second purpose, the technical scheme that the present invention takes is: 8 word steel plates are as the application of medical apparatus and instruments in treatment knee joint angulation deformity disease.
The invention has the advantages that:
1,8 word steel plates are sectional, are equipped with plurality of specifications, carry out multiple combination.
2, the one-sided orifice plate of 8 word steel plates has adopted the type of attachment of hinge, makes hold-down screw can outside cutting force not arranged because of the arc structure of bone, has kept the effect of steel plate implantation position and epiphyseal arrest.
3,8 word steel plates leave enough big space in one-sided orifice plate junction, promptly exempt to press the angle, and steel plate does not contact with epiphysis when implanting, and do not cause the epiphysis compressing, reduce damage.
Proving through animal experiment study that 4,8 word steel plates can play an effective role in the control to immature epiphyseal growth, skeleton profile, is safe and effective medical apparatus and instruments in the half epiphyseal arrest modus operandi.
[description of drawings]
Accompanying drawing 1 is the structural representation by screw rod and the fixed 8 word steel plates of nut.
Accompanying drawing 2 is the structural representations by draw-in groove screw rod and the fixed 8 word steel plates of jump ring.
Accompanying drawing 3 is left views of 8 word steel plates after assembling is finished.
Accompanying drawing 4 is structural representations of symmetrical 8 word steel plate 6mm-6mm combination.
Accompanying drawing 5 is structural representations of asymmetric 8 word steel plate 6mm-8mm combination.
Accompanying drawing 6 is structural representations of 8 character matrix plates of 8 word steel plate operation tools.
Accompanying drawing 7 is structural representations of the template clamp of 8 word steel plate operation tools
Accompanying drawing 8 is working state figures of the template clamp of 8 word steel plate operation tools.
Accompanying drawing 9 is structural representations of the adjustable angle formula diplopore footpath guide instrument of 8 word steel plate operation tools.
Accompanying drawing 10 is structural representations of the angle regulator of 8 word steel plate operation tools.
Accompanying drawing 11 is the local enlarged diagrams at the A place of accompanying drawing 9.
[specific embodiment]
Below in conjunction with accompanying drawing the specific embodiment provided by the invention is elaborated.
The Reference numeral and the ingredient that relate in the accompanying drawing are as follows:
1.8 word steel plate 11. first one-sided orifice plates
12. second one-sided orifice plate 111. first hinge holes
121. second hinge hole, 13. screw rods
131. screw thread 14. nuts
15. draw-in groove screw rod 151. draw-in grooves
16. jump ring 17. exempts to press the angle
112. the first one-sided orifice plate breach 122. second one-sided orifice plate breach
2.8 character matrix plate 21. first template orifice plates
22. the second template orifice plate, 221. location pin holes
222. template groove 23. template pivots
3. template clamp 31. clamp heads
311. head projection 32. clamp handles
4. adjustable angle formula diplopore footpath guide instrument 41. angle regulators
411. hue angle knob 4111. positioning needle passages
412. graduated tile 413. angle pointers
414. rotating shaft 415. attachment screws
416. diplopore footpath guide instrument contiguous block 417. fastening bolts
42. pilot sleeve 421. guiding ducts
43. connecting device 44. positioning needles
5. osteoepiphyseal line 51. osteoepiphyseal lines one side
52. osteoepiphyseal line opposite side
By screw rod and the fixed 8 word steel plates of nut
Please refer to accompanying drawing 1, accompanying drawing 1 is the structural representation by screw rod and the fixed 8 word steel plates of nut.Described 8 word steel plates 1 comprise first one-sided orifice plate 11, the second one-sided orifice plate 12, screw rod 13 and nut 14, have designed first hinge hole 111 and second hinge hole 121 on described one-sided orifice plate 1 and the one-sided orifice plate 2 respectively.The head of screw rod 13 is threaded 131, and nut 14 is circular.Be connected two one-sided orifice plates by first hinge hole 111 with second hinge hole 121 with nut 14 by screw rod 13.Make first hinge hole 111 and second hinge hole 121 coaxial during assembling, insert screw rod 13, the nut 14 of screwing at screw thread 131 places, then 1 assembling of 8 word steel plates is finished.
By screw rod and the fixed 8 word steel plates of jump ring
Please refer to accompanying drawing 2, accompanying drawing 2 is the structural representations by draw-in groove screw rod and the fixed 8 word steel plates of jump ring.Described 8 word steel plates 1 comprise first one-sided orifice plate 11, the second one-sided orifice plate 12, draw-in groove screw rod 15 and jump ring 16, have designed first hinge hole 111 and second hinge hole 121 respectively on the described first one-sided orifice plate 11 and the second one-sided orifice plate 12.The head of draw-in groove screw rod 15 has draw-in groove 151.Be connected two one-sided orifice plates by first hinge hole 111 with second hinge hole 121 with jump ring 16 by draw-in groove screw rod 15.Make first hinge hole 111 and second hinge hole 121 coaxial during assembling, insert draw-in groove screw rod 15,151 places load onto jump ring 16 at draw-in groove, and then 1 assembling of 8 word steel plates is finished.
Need to prove, the first one-sided orifice plate 11 of 8 word steel plates 1 has a breach below first hinge hole 111, the i.e. first one-sided orifice plate breach 112, the second one-sided orifice plate 12 also has a breach below second hinge hole 121, i.e. after second one-sided orifice plate breach 122, the 8 word steel plates, 1 assembling is finished, the first one-sided orifice plate breach 112 and the second one-sided orifice plate breach 122 common circular-arc breach of forming, promptly exempt to press angle 17, please refer to accompanying drawing 3, accompanying drawing 3 is left views of 8 word steel plates 1 after assembling is finished.Exempt to press angle 17 to make 8 word steel plates 1 leave enough big space at hinge fraction, steel plate does not contact with epiphysis when implanting, and does not cause the epiphysis compressing, reduces damage.
The 8 word steel plates combination of different size specification
The first one-sided orifice plate 11 of 8 word steel plates 1 comprises 3 kinds of different dimensions respectively with the second one-sided orifice plate 12, and promptly centre bore is respectively 6mm to the distance of pivot hole, and 8mm and 10mm, these orifice plates can combine 8 word steel plates 1 of 6 kinds of different sizes altogether.The doctor selects different combinations of pairs according to the actual size of patient's epiphysis both sides in these 6 kinds of group modes.
(1) symmetrical 8 word steel plate 6mm-6mm combination
Please refer to accompanying drawing 4, accompanying drawing 4 is structural representations of symmetrical 8 word steel plate 6mm-6mm combination.During installation, preferred dimension is the first one-sided orifice plate 11 of 6mm and the second one-sided orifice plate 12 of 6mm, assembles according to the installation method of embodiment 1, can form symmetrical 8 word steel plate 6mm-6mm combination.
(2) symmetrical 8 word steel plate 8mm-8mm combination
During installation, preferred dimension is the first one-sided orifice plate 11 of 8mm and the second one-sided orifice plate 12 of 8mm, assembles according to the installation method of embodiment 1, can form symmetrical 8 word steel plate 8mm-8mm combination.
(3) symmetrical 8 word steel plate 10mm-10mm combination
During installation, preferred dimension is the first one-sided orifice plate 11 of 10mm and the second one-sided orifice plate 12 of 10mm, assembles according to the installation method of embodiment 1, can form symmetrical 8 word steel plate 10mm-10mm combination.
(4) asymmetric 8 word steel plate 6mm-8mm combination
Please refer to accompanying drawing 5, accompanying drawing 5 is structural representations of asymmetric 8 word steel plate 6mm-8mm combination.During installation, preferred dimension is the first one-sided orifice plate 11 of 6mm and the second one-sided orifice plate 12 of 8mm, assembles according to the installation method of embodiment 1, can form asymmetric 8 word steel plate 6mm-8mm combination.
(5) asymmetric 8 word steel plate 6mm-10mm combination
During installation, preferred dimension is the first one-sided orifice plate 11 of 6mm and the second one-sided orifice plate 12 of 10mm, assembles according to the installation method of embodiment 1, can form asymmetric 8 word steel plate 6mm-10mm combination.
(6) asymmetric 8 word steel plate 8mm-10mm combination
During installation, preferred dimension is the first one-sided orifice plate 11 of 8mm and the second one-sided orifice plate 12 of 10mm, assembles according to the installation method of embodiment 1, can form asymmetric 8 word steel plate 8mm-10mm combination.
The operation tool of 8 word steel plates
The operation tool of the built-in 8 word steel plates of epiphyseal arrest is special erecting tools of a cover that the size according to 8 word steel plates 1 and 8 character matrix plates 2 designs, and can guarantee that 8 word steel plates 1 implant accurately and rapidly, and can reduce the damage to patient's epiphysis.
Described operation tool comprises: 8 character matrix plates (Fig. 6), template clamp (Fig. 7) and adjustable angle formula diplopore footpath guide instrument (Fig. 9), be furnished with an angle regulator (Figure 10) on the guide instrument of described adjustable angle formula diplopore footpath.
(1) 8 character matrix plate 2
Please refer to accompanying drawing 6, accompanying drawing 6 is structural representations of 8 character matrix plates of 8 word steel plate operation tools.8 character matrix plates 2 are identical with the dimensions of 8 word steel plates 1, also can dismantle and assemble, comprise that two location pin holes 221 are arranged on the first template orifice plate 21, the second template orifice plate 22 and template pivot 23, the second template orifice plates 22, being held has two template grooves 222 on the face.The assemble method of 8 character matrix plates 2 is identical with 8 word steel plates 1, can select supporting template group to dress up symmetry or asymmetric template according to the specification of the required 8 word steel plates 1 of operation.The first template orifice plate 21 of 8 character matrix plates 2 comprises 3 kinds of different dimensions respectively with the second template orifice plate 22, being centre bore is respectively 6mm to the distance of pivot hole, 8mm and 10mm, these orifice plates can combine 8 character matrix plates 2 of 6 kinds of different sizes altogether, comprise symmetrical 8 character matrix plate 6mm-6mm combination, symmetrical 8 character matrix plate 8mm-8mm combination, symmetrical 8 character matrix plate 10mm-10mm combination, asymmetric 8 character matrix plate 6mm-8mm combination, asymmetric 8 character matrix plate 6mm-10mm combination, asymmetric 8 character matrix plate 8mm-10mm combination.The doctor selects different combinations of pairs according to the actual size of patient's epiphysis both sides in these 6 kinds of group modes.
(2) the template clamp 3
Please refer to accompanying drawing 7, accompanying drawing 7 is structural representations of the template clamp of 8 word steel plate operation tools.As shown in the figure, template clamp 3 comprises clamp head 31 and clamp handle 32, and the end of clamp head 31 has a head projection 311.Please refer to accompanying drawing 8, accompanying drawing 8 is working state figures of the template clamp of 8 word steel plate operation tools.As shown in the figure, template clamp 3 is in that to sting when tight 31 liang of pincers of its template header just parallel, and its distance is the distance that 8 character matrix plates 2 are held two faces.Two head projections 311 of clamp head 31 withstand on two template grooves 222 that are held on the face of 8 character matrix plates 2 just.
(3) adjustable angle formula diplopore footpath guide instrument 4
Please refer to accompanying drawing 9, accompanying drawing 9 is structural representations of the adjustable angle formula diplopore footpath guide instrument of 8 word steel plate operation tools.Adjustable angle formula diplopore footpath guide instrument 4 comprises angle regulator 41, two pilot sleeves 42, connecting device 43 and positioning needles 44.Described two pilot sleeves 42 and " π " shape structure of connecting device 43 common formations, fix an angle regulator 41 on two pilot sleeves 42 respectively, the inner hollow of pilot sleeve forms guiding duct 421, two guiding duct 421 aperture differences are convenient to use when different bore diameter.
For fear of damaging epiphysis tissue and accurate pilot hole, this design has utilized angle regulator 41 to regulate, and makes the centrage of positioning needle 44 and the centrage of boring that definite angle be arranged.Wherein on the angle regulator 41 angle index is arranged, can rotate and transfer to suitable angle.Please refer to accompanying drawing 10, accompanying drawing 10 is structural representations of the angle regulator of 8 word steel plate operation tools.Described angle regulator 41 is provided with hue angle knob 411, graduated tile 412 and rotating shaft 414, connect by attachment screw 415, angle pointer 413 is screwed on hue angle knob 411, the integral body that connects is fixed on the diplopore footpath guide instrument contiguous block 416 by four screws on the graduated tile 412, is fixed on the pilot sleeve 42 of diplopore footpath guide instrument by diplopore footpath guide instrument contiguous block 416.Fastening bolt 417 can make angle regulator 41 be fixed on accurate position on the pilot sleeve 42.
Please refer to accompanying drawing 11, accompanying drawing 11 is the local enlarged diagrams at the A place of accompanying drawing 9.Before the operation, at first according to the distortion degree of patient's osteoepiphyseal line both sides, select the 8 word steel plates 1 and 8 character matrix plates 2 of appropriate size, during use, behind the operative incision on the skeleton that exposes specific part insert positioning needle 44, place 8 character matrix plates 2 by the location pin hole on 8 character matrix plates 2 221, on angle regulator 41, adjust the required angle of punching, by the pilot sleeve 42 of the positioning needle passage 4111 on the angle regulator 41, by 421 punchings of the guiding duct on the pilot sleeve 42, in like manner play another boring with target drill along positioning needle 44 placement guide instruments, take out 8 character matrix plates 2, place 8 word steel plates 1, add behind the screw fasteningly, sew on operative incision with screwdriver.
Please refer to accompanying drawing 12, accompanying drawing 12 is the working state figures after 8 word steel plates are fixed.Need to prove, the dimensions of 8 word steel plates 1 is determined by osteoepiphyseal line one side 51 of osteoepiphyseal line 5 and the distortion degree of osteoepiphyseal line opposite side 52, during use, the pivot center line of 8 word steel plates 1 and osteoepiphyseal line 5 are substantially in a plane, this 8 word steel plates 1 can be avoided originally can't adapting to the repeat surgery that the actual bone condition of different patients causes owing to fixing specification to greatest extent, alleviate the patient suffering.
The zooscopy of 8 word steel plates, half epiphyseal arrest
(1) experimental data and method:
30 (60 knee joints) are the New Zealand white rabbit in 46 ages in week only, be divided into 2 groups at random, each 15,8 word steel plates are inserted (periosteum is outer) side proximal tibia epiphysis two ends for first group, to the skidding sham-operation in contrast, the execution animal was got local pathology after 3 weeks, the X sheet was taken in the back, and second group is divided into 2 subgroups (A subgroup and B subgroup) at random, difference 7 (A subgroup) and 8 rabbits (B subgroup), 8 word steel plates are inserted proximal tibia epiphysis two ends, and (the A subgroup is that periosteum is implanted outward; The B subgroup is that subperiosteum is implanted), take out 8 word steel plates after all taking the X sheet after 3 weeks, take once more after 6 weeks and put to death animal behind the X sheet and get local pathology.All animals need not braking in the operation back.
(2) result
All rabbit postoperatives are not seen local untoward reaction, and the knee joint activity does not have obvious change.
First group of X sheet shows the key angle (ALDA) of New Zealand white rabbit proximal tibia articular surface, is 84 °-88 ° before the art, average 86 °, implant 8 word steel plates after 3 all ALDA angles be reduced to 56 °-61 °, average 58 ° (P＜0.05).Pathological examination shows that 8 word steel plates implantation back 3 all growth plate cell proliferation activities still exist.
Second group of A subgroup X sheet shows the key angle (ALDA) of New Zealand white rabbit proximal tibia articular surface, is 85 °-87 ° before the art, average 85 °, implant 8 word steel plate ALDA3 after week angle be reduced to 53 °-60 °, average 56 ° (P＜0.05).Pathological examination shows the movable existence of growth plate cell proliferation; The ALDA angle is improved as 65 °-72 ° after 6 weeks, and average 68 ° (P＜0.05), pathological examination shows the movable existence of growth plate cell proliferation.
Second group of B subgroup X sheet shows the key angle (ALDA) of New Zealand white rabbit proximal tibia articular surface, be 84 °-89 ° before the art, average 83 °, implant 8 word steel plate ALDA3 after week angle be reduced to 42 °-49 °, average 45 ° (P＜0.05), pathological examination shows that the activity of growth plate cell proliferation obviously reduces than other groups, and has the small amount of bone bridge to form; The ALDA angle is improved as 48 °-54 ° after 6 weeks, and average 51 ° (P＜0.05), pathological examination shows that growth plate still has the bone bridge to form, cell proliferation is movable to be existed.
(3) conclusion
Need not periosteum stripping when using 8 word steel plates to implant, easy to operation, postoperative need not braking, can play an effective role in the control to immature epiphyseal growth, skeleton profile, and be to carry out the safe and effective modus operandi of half epiphyseal arrest.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the inventive method; can also make some improvement and replenish, these improvement and replenish and also should be considered as protection scope of the present invention.
Claims (9)
1. the built-in 8 word steel plates of epiphyseal arrest comprise two one-sided orifice plates, it is characterized in that, are respectively equipped with hinge hole on the described one-sided orifice plate, connect two one-sided orifice plates by pivot by hinge hole, and described two one-sided orifice plates can be assembled into symmetrical 8 word steel plates.
2. 8 word steel plates according to claim 1 is characterized in that described pivot is fixed by the mode of screw rod and nut.
3. 8 word steel plates according to claim 1 is characterized in that described pivot is fixed by the mode of screw rod and jump ring.
4. according to the arbitrary described 8 word steel plates of claim 1-3, it is characterized in that described one-sided orifice plate centre bore to the distance of pivot hole is 6-10mm.
5. 8 word steel plates according to claim 4 is characterized in that, described one-sided orifice plate centre bore to the distance of pivot hole is 6mm, 8mm or 10mm.
6. 8 word steel plates according to claim 5 is characterized in that, described symmetrical 8 word steel plates are meant that two one-sided orifice plate centre bores are identical to the distance of pivot hole.
7. 8 word steel plates according to claim 6 is characterized in that, two one-sided orifice plate centre bores of described symmetrical 8 word steel plates to the distance of pivot hole is respectively 6mm-6mm, 8mm-8mm or 10mm-10mm.
8. 8 word steel plates according to claim 7 is characterized in that, described two one-sided orifice plates respectively have a breach below hinge hole, connect back formation and exempt to press the angle.
According to the arbitrary described 8 word steel plates of claim 1-8 as the application of medical apparatus and instruments in treatment knee joint angulation deformity disease.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010507540A CN101966097B (en) | 2010-10-15 | 2010-10-15 | Epiphysis retardant built-in 8-shaped steel plate and application thereof |
| PCT/CN2010/078658 WO2012048481A1 (en) | 2010-10-15 | 2010-11-12 | Internally installed 8-shaped plate for epiphysiodesis and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010507540A CN101966097B (en) | 2010-10-15 | 2010-10-15 | Epiphysis retardant built-in 8-shaped steel plate and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101966097A true CN101966097A (en) | 2011-02-09 |
| CN101966097B CN101966097B (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010507540A Expired - Fee Related CN101966097B (en) | 2010-10-15 | 2010-10-15 | Epiphysis retardant built-in 8-shaped steel plate and application thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101966097B (en) |
| WO (1) | WO2012048481A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012048480A1 (en) * | 2010-10-15 | 2012-04-19 | 上海交通大学医学院附属新华医院 | Surgical tool for installing epiphysiodesis internal 8-shaped steel plate |
| WO2012048482A1 (en) * | 2010-10-15 | 2012-04-19 | 上海交通大学医学院附属新华医院 | Internal unsymmetrical 8-shaped steel plate for epiphysiodesis and application thereof |
| CN106539615A (en) * | 2016-10-25 | 2017-03-29 | 天津市新中医疗器械有限公司 | A kind of child's bone malformation is orthopedic to use eight letter stencils |
| CN108836460A (en) * | 2018-04-25 | 2018-11-20 | 中国人民解放军总医院 | A kind of four side butterfly steel plates for the locking of children's epiphysis |
| CN112451074A (en) * | 2020-11-23 | 2021-03-09 | 代景笋 | Combined bone fracture plate for orthopedic trauma |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11123117B1 (en) | 2011-11-01 | 2021-09-21 | Nuvasive, Inc. | Surgical fixation system and related methods |
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| CN200973745Y (en) * | 2006-11-15 | 2007-11-14 | 林斌 | Steel plate for fixing acromion and clavicle according to the joint micro-moving anatomical characteristics |
| CN201123842Y (en) * | 2007-12-20 | 2008-10-01 | 周建明 | Exterior fixing rack system |
| CN201814645U (en) * | 2010-10-15 | 2011-05-04 | 上海交通大学医学院附属新华医院 | Built-in epiphysis arrest splayed steel plate |
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| US20060142767A1 (en) * | 2004-12-27 | 2006-06-29 | Green Daniel W | Orthopedic device and method for correcting angular bone deformity |
| CN201426768Y (en) * | 2009-07-16 | 2010-03-24 | 王其信 | Malformed bone fixing plate |
| CN201831942U (en) * | 2010-10-15 | 2011-05-18 | 上海交通大学医学院附属新华医院 | Asymmetrical 8-shaped steel plate internally provided with osteoepiphysis block |
| CN101972166B (en) * | 2010-10-15 | 2012-07-04 | 上海交通大学医学院附属新华医院 | Surgical tool for mounting internal epiphyseal arrest figure-8 steel plate |
| CN201814646U (en) * | 2010-10-15 | 2011-05-04 | 上海交通大学医学院附属新华医院 | Operation tool for installing epiphysis retardation built-in 8-shaped steel plate |
| CN101953711B (en) * | 2010-10-15 | 2012-04-18 | 上海交通大学医学院附属新华医院 | Asymmetric eight-figure steel plate built in epiphyseal arrest and application thereof |
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2010
- 2010-10-15 CN CN201010507540A patent/CN101966097B/en not_active Expired - Fee Related
- 2010-11-12 WO PCT/CN2010/078658 patent/WO2012048481A1/en active Application Filing
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| CN2228332Y (en) * | 1995-03-20 | 1996-06-05 | 中国人民解放军南京军区南京总医院 | Wave-shaped fracture-setting plate |
| CN200973745Y (en) * | 2006-11-15 | 2007-11-14 | 林斌 | Steel plate for fixing acromion and clavicle according to the joint micro-moving anatomical characteristics |
| CN201123842Y (en) * | 2007-12-20 | 2008-10-01 | 周建明 | Exterior fixing rack system |
| CN201814645U (en) * | 2010-10-15 | 2011-05-04 | 上海交通大学医学院附属新华医院 | Built-in epiphysis arrest splayed steel plate |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012048480A1 (en) * | 2010-10-15 | 2012-04-19 | 上海交通大学医学院附属新华医院 | Surgical tool for installing epiphysiodesis internal 8-shaped steel plate |
| WO2012048482A1 (en) * | 2010-10-15 | 2012-04-19 | 上海交通大学医学院附属新华医院 | Internal unsymmetrical 8-shaped steel plate for epiphysiodesis and application thereof |
| CN106539615A (en) * | 2016-10-25 | 2017-03-29 | 天津市新中医疗器械有限公司 | A kind of child's bone malformation is orthopedic to use eight letter stencils |
| CN108836460A (en) * | 2018-04-25 | 2018-11-20 | 中国人民解放军总医院 | A kind of four side butterfly steel plates for the locking of children's epiphysis |
| CN112451074A (en) * | 2020-11-23 | 2021-03-09 | 代景笋 | Combined bone fracture plate for orthopedic trauma |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012048481A1 (en) | 2012-04-19 |
| CN101966097B (en) | 2012-09-05 |
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