CN100360092C - Non-blending spinal side bending corrector - Google Patents

Non-blending spinal side bending corrector Download PDF

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Publication number
CN100360092C
CN100360092C CNB2005100867116A CN200510086711A CN100360092C CN 100360092 C CN100360092 C CN 100360092C CN B2005100867116 A CNB2005100867116 A CN B2005100867116A CN 200510086711 A CN200510086711 A CN 200510086711A CN 100360092 C CN100360092 C CN 100360092C
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nail
rod
correcting
blending
spinal
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CN1745723A (en
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王岩
张雪松
王征
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Abstract

The present invention provides a novel device for correcting non-blending spinal side bend, which comprises fixed nails and a plurality of vertebral pedicle nails, which are fixed on a vertebra within the scoliosis range, and correcting rods connected with the fixed nails and the vertebral pedicle nails. The present invention is characterized in that the fixed nails are connected with the correcting rods in a locking way, and the vertebral pedicle nails are connected with the correcting rods in a sliding way. The device overcomes the technical problem of the existing device, can realize the effect of effective one-time correction, has the characteristic that a spine is continuously led to grow towards the normal radian, always keeps the moderate motion range and stress of each vertebral articulation within the fixed range, does not affect the dynamic structure around the spine too much, and has certain three-dimensional correcting effects. The present invention does not need latter multiple-operation regulation, and can be applied to anterior or rear correcting operations as required.

Description

Non-blending spinal side bending corrector
Technical field
The present invention relates to a kind of inner fixing device for the treatment of scoliosis, particularly a kind of inner fixing device for the treatment of the scoliosis patient who has growth potential.
Background technology
The skoliosis deformity has a strong impact on patient's outward appearance, the function of internal organs, and social adaptation, even life-span, so need operation to correct under the brace situation of failing to respond to any medical treatment.Modus operandi still fixedly adds spinal fusion for the scoliosis patient such as the too early implementation spinal instrumentation that have growth potential mainly based on converged fixed at present, then can have a strong impact on the normal development and the growth of infant.Present way is the spinal growth valve technology of controllability, the row spinal fusion of delaying.But fixed apparatus need regularly strut, prolong, and with the growth of continuous adaptation infant spinal column, reaches continuous corrigent effect.
The stage in the later stage of the spinal growth valve apparatus for correcting of existing controllability struts operation all to be needed repeatedly to anaesthetize and perform the operation, and has great risk and harmful effect; And can not be in time, reasonably the growth according to infant realizes preferable adjustment.After adjusting each time, whole device still is in a stationary state, and degeneration appears in dynamic structure around the spinal column easily, and the back line structure of spinal column also takes place by spontaneous fusion the easily.In addition, because fixing point is few, span is big, needs to wear for a long time the brace protection after the operation, is easy to occur the phenomenon that broken nail, disconnected rod or nail are deviate from.With normally used ISOLA apparatus for correcting is example, and the ISOLA apparatus for correcting adopts the twin shaft mode that is connected in series, and comprises that two strut rod, and an end of every support stick is fixed on the end vertebra position of the upper and lower side of spinal column, and the other end is at the centre position overlap joint and be fixed together.Strut in the operation in the later stage, need its intermediary overlap is all exposed, could realize the adjustment of length, and just need carry out in the every 3-6 of patient month and adjust operation next time.Similarly structure is corrected scoliotic plate rod system in addition, and its design is to adopt vertebral lamina hook or pedicle hook to be connected on the stainless plate rod in conjunction with the becket of pedicle screw afterbody, allows certain spinal growth in fixed range.
Summary of the invention
The purpose of this invention is to provide a kind of novel non-blending spinal side bending corrector; overcome the technical problem of existing apparatus; both can realize an effective rectification effect; have the characteristics of guiding spinal column that continue again to normal radian growth; the range of activity and the stress of the appropriateness of each vertebra joint in the fixed range have been remained simultaneously; the dynamic structure influence is lacked around the spinal column, and certain three-dimensional correction effect is arranged.The present invention does not need the later stage adjustment of repeatedly performing the operation, and uses in pro-road or the way of escape corrective procedure as required.
Technical scheme of the present invention is:
A kind of non-blending spinal side bending corrector, comprise and be fixed on epicentral staple and a plurality of pedicle nail in the skoliosis scope, also comprise the rectification rod that is connected with a plurality of pedicle nails with described staple, it is characterized in that, described staple is connected for locking with described rectification rod, and described a plurality of pedicle nails and described rectification rod are for being slidingly connected.
The described rod of correcting is for carrying out the super-elasticity material rod that shape memory is handled, recovers to realize side translation and sagittal plane rectification effect to shape memory under body temperature by the shape of physiologic radian or doctor's setting at low temperatures.
Described super-elasticity material rod is titanium alloy or Nitinol rod.
Described pedicle nail is 3~5.
The upper end of described super-elasticity material rod is provided with length in reserve, and is provided with in the end and prevents deviating from lock nut.
Described pedicle nail comprises nail body, nail tail and the head of a nail that connects successively, and the nail body that screw thread is arranged in the bottom is fixed on the interior vertebral body of skoliosis scope, and top is connected with described nail tail bottom; The U-shaped upper shed is arranged on the top of described nail tail, and by the described head of a nail that is threaded; Described rectification rod is arranged in the U-shaped upper shed on described nail tail top, forms and realizes and keep the unidirectional nail excellent sliding connection structure of spinal column to the growth of physiological curved guide.
Described nail tail is relatively turnable being rotationally connected with the nail body, the U-shaped upper shed on described nail tail top is done axial rotation with the change of shape of correcting in the excellent orthopedic process, all the time the described rectification that is slidingly matched is excellent, forms the excellent sliding connection structure of universal nail of realizing being maintained fixed the suitable mobility of sections.
Described staple lower end is fixed on the spinal column hypomere fixedly on the vertebra, and fixedlying connected of excellent direction and rotation corrected with lower end formation Stability Analysis of Structures, the may command of correcting rod in described staple upper end.
Described staple, pedicle nail and rectification rod are implanted by the Minimally Invasive Surgery of percutaneous or traditional open surgery, are arranged on the preceding road or the way of escape.
The material of described staple, pedicle nail and lock nut is titanium alloy or medical stainless steel.
Technique effect of the present invention is:
Non-blending spinal side bending corrector of the present invention is by adopting epicentral staple and the locking mechanism of correcting rod in the skoliosis scope, guaranteed to correct rod and be fixed in the physiology curvature in vertebra other position and direction, by adopting a plurality of pedicle nails and the sliding connection structure of correcting rod in the skoliosis scope, guaranteed the effective translation corrective force of offside convex ridge post, and by correcting the certain adjustment length of rod upper end reservation, to adapt to the growth of patient's spinal column.In optimal technical scheme of the present invention, correcting rod is super-elasticity material rod, and the shape of setting by physiologic radian or doctor is carried out the shape memory processing at low temperatures, is easy to finish whole connection and implantation.After the implantation, super-elasticity material rod is whole to be recovered to shape memory under body temperature, can realize the side translation effect and the sagittal plane rectification effect of needs reliably, avoided putting the stress concentration of indivedual nails in the rod motion, effectively avoided spinal injury, reduce the operating time, also reduced operating time and blood loss volume during the operation simultaneously.Simultaneously, super-elasticity material rod is being kept the stable stress to the physiologic radian recovery in vivo all the time, make spinal column guided bone under this stress grow, and finally make the patient can adopt this technology to obtain satisfied rectification and control merely, and do not need to carry out again the amalgamation operation, or only carry out amalgamation operation relatively more among a small circle.In optimal technical scheme of the present invention, the nail tail of pedicle nail is designed to relatively turnable being rotationally connected with the nail body, make the U-shaped upper shed on nail tail top do corresponding rotation with the change of shape of correcting in the excellent orthopedic process, remain and excellent being slidingly matched of described rectification, form the excellent sliding connection structure of universal nail of realizing being maintained fixed the suitable mobility of sections.This technical scheme has further guaranteed to correct in side translation and the sagittal plane correcting process effect that is slidingly connected of rod and pedicle nail, has reduced the contact stress of the two, for postoperative lasting rectification provides reliable assurance.
The present invention has following advantage:
1. can select the preceding road or the way of escape to fix according to patient's situation;
2. do not need operation adjustment repeatedly, the development of infant scoliosis is in time corrected, the corrective therapy effect increases substantially;
3. the range of activity that has kept the appropriateness of fixed-segment, and aprowl continue the physiological stress that automatic correction deformity has kept fixed-segment, reduced the fixed-segment degeneration of dynamic structure on every side;
4. owing to the implantation of correcting rod under the low temperature is very easy, can realize the single unit system rectification, various chambeies mirror and Wicresoft operate all can be in conjunction with application;
5. the long term of final non-fusion spinal column or short segment fusion spinal column, the influence for the spinal column regression was that existing apparatus can't be realized.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 corrects the back structural representation for the present invention;
Fig. 3 is a pedicle nail structural representation of the present invention.
Be labeled as in the accompanying drawing:
1-corrects rod; The 2-staple; 3 (3A, 3B, 3C)-pedicle nails; The 4-lock nut; 31-follows closely body; 32-follows closely tail; The 33-head of a nail.
The specific embodiment
Describe technical scheme of the present invention in detail below in conjunction with accompanying drawing.
Fig. 1~3 are structural representation of the present invention.As shown in Figure 1, non-blending spinal side bending corrector of the present invention comprises staple 2, pedicle nail 3 and corrects rod 1.Staple 2 is fixed on the spinal column hypomere fixedly on the vertebra, and staple is fixed between breast section and the waist section usually, and fixedlys connected with the lower end of correcting rod 1, constitutes the nail rod locking syndeton that Stability Analysis of Structures, may command are corrected excellent 1 direction and rotation.Pedicle nail 3 is fixed on the vertebral body of skoliosis scope successively, and is slidingly connected with correcting rod 1 successively, constitutes to realize and keep the nail rod sliding connection structure of spinal column to the growth of physiological curved guide.More particularly, staple 2 and pedicle nail 3 are two covers, are separately fixed at the both sides of lopsided spinal column, and correcting rod 1 is two, are connected with pedicle nail 3 with the fixed staple 2 in the both sides of lopsided spinal column respectively, form whole non-blending spinal side bending corrector.Be fixed on hypomere fixedly the staple on the vertebra 2 guaranteed to correct rod 1 with the locking mechanism of correcting rod 1 and be fixed in the physiology curvature in vertebra other position and direction, be fixed on pedicle nail 3 and the sliding connection structure of correcting rod 1 in the skoliosis scope, guaranteed the effective translation corrective force of offside convex ridge post.The upper end of correcting rod 1 also is reserved with certain adjustment length, continues corrigent space for the growth of infant spinal column provides, and can spontaneously adjust according to the growth of infant.
In optimal technical scheme of the present invention, correct rod 1 and adopt super-elasticity material rod.After rectification rod 1 carries out the shape memory processing by the shape of physiologic radian or doctor's setting at low temperatures, be adjusted to the side convex form of infant spinal column again, therefore be easy to finish the integral body connection and the implantation of rectification rod 1.After rectification rod 1 was implanted, owing to correct the inherent character of excellent 1 super-elasticity material, excellent integral body was recovered to shape memory under body temperature, had realized the side translation effect and the sagittal plane rectification effect that need reliably.Technique scheme of the present invention has thoroughly been avoided in the traditional operation stress concentration of indivedual nails in the planting-peg process, has avoided spinal injury, has reduced the operating time, has also reduced operating time and blood loss volume during the operation simultaneously.After implant surgery is finished, correct rod 1 and in patient's body, keeping stable stress all the time to the physiologic radian recovery, make spinal column guided bone under this stress grow, and finally make the patient can adopt this technology to obtain satisfied rectification and control merely, and do not need to carry out again the amalgamation operation, or only carry out amalgamation operation relatively more among a small circle.The present invention makes more science, safer of corrective procedure, and the postoperative rectification effect of operation neutralization significantly improves.Clinical operation shows, uses operating time of the present invention to reduce 15~25% than the operating time that uses traditional instruments, and the patient's bleeding amount reduces 20~30% in the operation.Fig. 2 is the structural representation of the present invention after correcting.
In optimal technical scheme of the present invention, pedicle nail 3 is made up of the nail body 31 that connects successively, nail tail 32 and the head of a nail 33, as shown in Figure 3.Nail body 31 bottoms are provided with screw thread, are used for fixing on the vertebral body in the skoliosis scope, and its top is rotationally connected with the bottom of nail tail 32; The U-shaped upper shed is arranged on the top of nail tail 32, is used for implanting correcting rod 1, and top both can slide rectification rod 1 by the head of a nail 33 that is threaded in the U-shaped upper shed, can prevent to correct rod 1 again and deviate from.Nail body 31 can adopt multiple mode with nail being connected of tail 32, as snap fit, make the U-shaped upper shed do corresponding rotation with the change of shape of correcting in the rod 1 orthopedic process, its opening is all the time along the length direction of correcting rod 1, guarantee and correct being slidingly matched of rod 1, form the excellent sliding connection structure of universal nail that is maintained fixed the suitable mobility of sections.Technique scheme effectively reduces the resistance of correcting in the rod 1 orthopedic process, and the corrective force of correcting rod 1 is delivered on the spinal column effectively, has improved rectification effect.Behind corrective procedure, whole device is in an active relatively state, the range of activity that has promptly kept the appropriateness of fixed-segment, and aprowl continue to adjust the physiological stress of fixed-segment, reduce the fixed-segment degeneration of dynamic structure on every side, therefore spontaneous fusion phenomenon can not occur.
Technical scheme of the present invention also efficiently solves the contradiction between fixing point and spontaneous the fusion.Traditional apparatus for correcting fixing point is few, and span is big, needs to wear for a long time the brace protection after the operation, is easy to occur the phenomenon that broken nail, disconnected rod or nail are deviate from.But increase the stationary state that fixing point has then been strengthened whole device, aggravated the degeneration of dynamic structure around the spinal column, make behind the spinal column line structure that the spontaneous probability that merges takes place and strengthen.The present invention can increase fixing point on the one hand owing to adopted the excellent sliding connection structure of universal nail, improves rectification effect, has kept the range of activity of the appropriateness of fixed-segment on the other hand again, can not influence the spinal column degeneration of dynamic structure on every side.Simultaneously, a plurality of fixing points have been strengthened and have been imposed on the stress that spinal column recovers to physiologic radian, make spinal column guided bone growth under this stress, and the last part patient can adopt this technology to obtain satisfied rectification and control merely, and the amalgamation operation need not carried out, or carry out amalgamation operation relatively more among a small circle.
The preferred pedicle nail 3 of the present invention is 3~5, and present embodiment adopts 3,3A as shown in Figure 1 and Figure 2,3B, 3C.Staple 2 can adopt traditional spinal fixation system.For preventing that correcting excellent 1 upper end deviates from, present embodiment also is provided with lock nut 4 in the end of correcting rod 1.Staple 2, pedicle nail 3 and lock nut 4 can adopt titanium alloy or medical stainless steel goods.
Non-blending spinal side bending corrector of the present invention can be implanted by the Minimally Invasive Surgery of percutaneous, also can adopt traditional open surgery to implant, and can be used for the preceding road or the way of escape and corrects.
Be the explanation of the specific embodiment of the invention only below, in any form the present invention do not made restriction.Should be pointed out that for a person skilled in the art, can also make a lot of relevant distortion and improvement according to guiding theory of the present invention, but these all will fall into protection scope of the present invention.

Claims (7)

1. non-blending spinal side bending corrector, comprise and be fixed on epicentral staple and a plurality of pedicle nail in the skoliosis scope, also comprise the rectification rod that is connected with a plurality of pedicle nails with described staple, described staple is connected for locking with described rectification rod, described a plurality of pedicle nail and described rectification rod are for being slidingly connected, described pedicle nail comprises nail body, nail tail and the head of a nail that connects successively, the nail body that screw thread is arranged in the bottom is fixed on the interior vertebral body of skoliosis scope, and top is connected with described nail tail bottom; The upper shed of ∪ shape is arranged on the top of described nail tail, and by the described head of a nail that is threaded; Described rectification rod is arranged in the ∪ shape upper shed on described nail tail top, form and realize and keep the unidirectional nail excellent sliding connection structure of spinal column to the growth of physiological curved guide, the described rod of correcting carries out the shape memory processing for the shape of setting by physiologic radian or doctor at low temperatures, under body temperature, recover to realize side translation and the corrigent super-elasticity material of sagittal plane rod to shape memory, it is characterized in that described nail tail and nail body are relatively turnable being rotationally connected, the ∪ shape upper shed on described nail tail top is done axial rotation with the change of shape of correcting in the excellent orthopedic process, all the time the described rectification that is slidingly matched is excellent, forms the excellent sliding connection structure of universal nail of realizing being maintained fixed the suitable mobility of sections.
2. non-blending spinal side bending corrector as claimed in claim 1 is characterized in that, described super-elasticity material rod is titanium alloy or Nitinol rod.
3. non-blending spinal side bending corrector as claimed in claim 1 or 2 is characterized in that, the upper end of described super-elasticity material rod is provided with length in reserve, and is provided with in the end and prevents deviating from lock nut.
4. non-blending spinal side bending corrector as claimed in claim 1 or 2 is characterized in that, described pedicle nail is 3~5.
5. non-blending spinal side bending corrector as claimed in claim 1 or 2, it is characterized in that, described staple lower end is fixed on the spinal column hypomere fixedly on the vertebra, and fixedlying connected of excellent direction and rotation corrected with lower end formation Stability Analysis of Structures, the may command of correcting rod in described staple upper end.
6. non-blending spinal side bending corrector as claimed in claim 1 or 2 is characterized in that, described staple, pedicle nail and rectification rod are implanted by the Minimally Invasive Surgery of percutaneous or traditional open surgery, are arranged on the preceding road or the way of escape.
7. non-blending spinal side bending corrector as claimed in claim 3 is characterized in that, the material of described staple, pedicle nail and lock nut is titanium alloy or medical stainless steel.
CNB2005100867116A 2005-10-26 2005-10-26 Non-blending spinal side bending corrector Expired - Fee Related CN100360092C (en)

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CN100360092C true CN100360092C (en) 2008-01-09

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101828953B (en) * 2009-03-13 2012-07-04 藏磊 Special apparatus for correcting scoliosis deformity in growth period
CN103892897B (en) * 2012-12-27 2016-10-19 藏磊 Orthosis is fixed in trophophase skoliosis
CN106310610A (en) * 2016-10-21 2017-01-11 上海交通大学医学院附属新华医院 Physiotherapeutic scoliosis specific exercise method
CN108236492B (en) * 2016-12-26 2022-04-12 贺新宁 Nail rod correction bracket assembly for scoliosis
CN107137138A (en) * 2017-06-01 2017-09-08 成都贝施美生物科技有限公司 A kind of spinal joint inner fixing device
CN110338898B (en) * 2018-04-03 2022-08-30 泰兴市康森爱特传动设备科技有限公司 Auxiliary adjustable bending plate for orthopedic implanted scoliosis operation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1041274A (en) * 1988-09-17 1990-04-18 姜延洲 Internal marmem fixator for spine orthopaedy
CN1201646A (en) * 1998-06-08 1998-12-16 叶启彬 Plate-rod apparatus for correcting scoliosis
US6280442B1 (en) * 1999-09-01 2001-08-28 Sdgi Holdings, Inc. Multi-axial bone screw assembly
CN2478557Y (en) * 2001-04-19 2002-02-27 李茂林 Sliding lateral curvature orthopedic instrument
US6554831B1 (en) * 2000-09-01 2003-04-29 Hopital Sainte-Justine Mobile dynamic system for treating spinal disorder
CN1596836A (en) * 2004-09-13 2005-03-23 王岩 Spinal column side convex three-dimentional correcting device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1041274A (en) * 1988-09-17 1990-04-18 姜延洲 Internal marmem fixator for spine orthopaedy
CN1201646A (en) * 1998-06-08 1998-12-16 叶启彬 Plate-rod apparatus for correcting scoliosis
US6280442B1 (en) * 1999-09-01 2001-08-28 Sdgi Holdings, Inc. Multi-axial bone screw assembly
US6554831B1 (en) * 2000-09-01 2003-04-29 Hopital Sainte-Justine Mobile dynamic system for treating spinal disorder
CN2478557Y (en) * 2001-04-19 2002-02-27 李茂林 Sliding lateral curvature orthopedic instrument
CN1596836A (en) * 2004-09-13 2005-03-23 王岩 Spinal column side convex three-dimentional correcting device

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