CN203017071U - Internal fixing corrector for scoliosis in growth period - Google Patents
Internal fixing corrector for scoliosis in growth period Download PDFInfo
- Publication number
- CN203017071U CN203017071U CN 201220731356 CN201220731356U CN203017071U CN 203017071 U CN203017071 U CN 203017071U CN 201220731356 CN201220731356 CN 201220731356 CN 201220731356 U CN201220731356 U CN 201220731356U CN 203017071 U CN203017071 U CN 203017071U
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- nail
- pedicle screw
- guiding
- skoliosis
- orthopedic rod
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Abstract
The utility model relates to an internal fixing corrector for scoliosis in a growth period. The tail end of a near end implanting nail (222) of a near end positioning pedicle screw (22) is fixed on a near end part (12) of a correcting bar (10) through a fixing nut (224). The tail end of a guide implanting nail (242) of a guide pedicle screw (24) and a limiting nut (244) form a guide groove (248), so that the guide pedicle screw slides on a central part (14) of the correcting bar. A sliding nut (264) is arranged at the tail end of a far end implanting nail (262) of a far end positioning pedicle screw (26), a rolling embedded top bead (268) at the conical tip of the sliding nut presses against a far end part (16) of the correcting bar with a thin bar body, and the far end implanting nail can slide only along the far end part of the correcting bar towards the direction away from the central part. The internal fixing corrector for the scoliosis in the growth period can avoid multi-times incision adjustment and iatrogenic spontaneous fusion of a scoliosis center area.
Description
Technical field
This utility model relates in a kind of skoliosis fixedly orthosis, relates in particular to a kind of for fixing orthosis in child or the interim skoliosis of adolescent growth.
Background technology
At present for the child who is in trophophase or Adolescent Patients Undergoing Scoliosis Correction, in order not affect growth in stature as far as possible, the general interior fixing orthopedic mode of growth regulating valve that adopts is carried out surgical intervention, but above-mentioned therapeutic modality will carry out cutting operation every half a year again to one-year age, strut and extend internal fixation device to adapt to growth in stature.Repeatedly cutting operation adjustment has obviously increased the misery in the infant surgical intervention, and has increased medical expense; Carry out simultaneously subperiosteum in side protruding centre and peel off and do and repeatedly adjust operation, can increase the possibility that the spontaneity of skoliosis central area rear structure merges, and make this skoliosis to stiff development and skoliosis structure complicated.
The utility model content
The purpose of this utility model is to provide the interior fixedly orthosis of a kind of trophophase skoliosis, can avoid repeatedly cutting adjusting extending interior fixing operation, and can avoid the iatrogenic spontaneous fusion of the protruding central area of side.
This utility model provides in a kind of trophophase skoliosis fixedly orthosis, and it comprises that an Orthopedic rod, a proximally-located pedicle screw, a guiding pedicle screw and a far-end locate pedicle screw.Orthopedic rod has a close end, a central part and a distal portion successively on its bearing of trend, to the direction of distal portion, the barred body of Orthopedic rod distal portion is gradually thin at central part.The proximally-located pedicle screw can be fixed on the close end of Orthopedic rod, and the proximally-located pedicle screw is provided with a near-end and implants nail and the hold-down nut that can be placed in the tail end of near-end implantation nail.The pedicle screw that leads is provided with a guiding and implants nail and the stop nut that can be placed in the tail end of guiding implantation nail, stop nut can be implanted with guiding gathering sill of tail end formation of nail, the central part of Orthopedic rod can navigate within gathering sill, and the guiding pedicle screw can be slided in heart section therein with respect to Orthopedic rod.Far-end location pedicle screw is provided with a far-end and implants nail and the sliding nut that can be placed in the tail end of far-end implantation nail, the end that sliding nut is implanted the tail end of nail towards far-end is provided with a cone, pyramidal tip is embedded with a rotatable decorative pearl on top of an official cap, the decorative pearl on top of an official cap can lean on the distal portion of Orthopedic rod, and far-end implantation nail only can slide towards the direction away from central part along the distal portion of Orthopedic rod.After in above-mentioned trophophase skoliosis, fixedly orthosis is inserted human body, can adapt to the further growth of spinal column, and in the spinal growth process, the orthopedic position of Self-adjustment at any time, improve orthopedic effect, and avoid repeatedly cutting operation adjustment, and the iatrogenic spontaneous fusion of side protruding central area.
Fix in the trophophase skoliosis in orthotic a kind of exemplary embodiment, guiding is implanted on the tail end of following closely has the spacing screw thread that matches with stop nut, forms gathering sill so that stop nut is tightened rear and led between the tail end of implanting nail.Said structure is simple and reliable.
Fix in the trophophase skoliosis in orthotic a kind of exemplary embodiment, the tail end of guiding implantation nail has can roll over the long-tail end, and guiding implantation nail is can be by the hollow pedicle screw of guide pin guiding.Adopt the guiding pedicle screw of said structure and use the mode that guide pin combines with X-ray examination, peel off without subperiosteum and appear and the guiding pedicle screw can be inserted in the pedicle of vertebral arch of skoliosis central area vertebral body, preventing the iatrogenic spontaneous fusion of skoliosis central area, and realize purpose orthopedic and that control in the skoliosis central area.
Fix in orthotic a kind of exemplary embodiment the close end rough surface of Orthopedic rod, the central part of Orthopedic rod and the smooth surface of distal portion in the trophophase skoliosis.Said structure helps the fixing of proximally-located pedicle screw, and help to lead pedicle screw and far-end location pedicle screw do the out position adjustment according to the spinal growth situation, and reduce because of friction form metal fragment may.
Fix in the trophophase skoliosis in orthotic a kind of exemplary embodiment, it comprises an Orthopedic rod, two proximally-located pedicle screws that can be fixed on the Orthopedic rod close end, two guiding pedicle screws that can be fixed on the Orthopedic rod central part, two far-ends that can be connected to the Orthopedic rod distal portion are located pedicle screw.In the trophophase skoliosis of said structure, fixing orthotic orthopedic effect is better.
Hereinafter will be in clear and definite understandable mode, the accompanying drawings preferred embodiment is further described fixing orthotic above-mentioned characteristic, technical characterictic, advantage and implementation thereof in the trophophase skoliosis.
Description of drawings
The following drawings is only done this utility model and is schematically illustrated and explain, does not limit scope of the present utility model.
Fig. 1 is in order to illustrate the decomposition texture of fixing orthotic a kind of exemplary embodiment in the trophophase skoliosis.
The structure of Fig. 2 after in order to the combination of the guiding pedicle screw shown in key diagram 1.
The structure of Fig. 3 after in order to the combination of the far-end shown in key diagram 1 location pedicle screw.
State when Fig. 4 fixes orthotic inserting in order to illustrate in trophophase skoliosis shown in Figure 1.
Fig. 5 is in order to illustrate in trophophase skoliosis shown in Figure 1 the fixedly state of orthosis after the transfer rod operation is corrected.
The state of Fig. 6 when the rectification of fixing orthotic another kind of exemplary embodiment in the trophophase skoliosis to be described.
Fig. 7 is in order to illustrate in trophophase skoliosis shown in Figure 6 the fixedly state of orthosis after the transfer rod operation is corrected.
Fig. 8 is in order to the decomposition texture of the another kind of exemplary embodiment of explanation guiding pedicle screw.
The structure of Fig. 9 after in order to the combination that guiding pedicle screw shown in Figure 8 is described.
Label declaration
10 Orthopedic rods
12 close ends
14 central parts
16 distal portion
22 proximally-located pedicle screws
222 near-ends are implanted nail
224 hold-down nuts
24 guiding pedicle screws
242 guiding are implanted nail
241 spacing screw threads
243 can roll over the long-tail end
244 stop nuts
248 gathering sills
26 far-ends are located pedicle screw
262 far-ends are implanted nail
264 sliding nuts
266 cones
268 decorative pearls on top of an official cap
32 near-end end vertebras
34 addendum cones
36 distal end vertebras.
The specific embodiment
Understand for technical characterictic, purpose and effect to utility model have more clearly, now contrast the description of drawings specific embodiment of the present utility model, identical label represents the identical or structural similarity of structure but the identical parts of function in each figure.
For making drawing succinct, only schematically shown the part relevant to this utility model in each figure, they do not represent that it is as the practical structures of product.In addition, succinctly be convenient to understand for making drawing, the parts that have same structure or function in some figure have only schematically illustrated one of them, or have only marked one of them.
In this article, " one " not only represents " only this ", also can represent the situation of " more than ".
Fig. 1 is in order to illustrate the decomposition texture of fixing orthotic a kind of exemplary embodiment in the trophophase skoliosis.As shown in Figure 1, in the trophophase skoliosis fixedly orthosis comprise that an Orthopedic rod 10, a proximally-located pedicle screw 22, a guiding pedicle screw 24 and a far-end locate pedicle screw 26.Wherein, Orthopedic rod 10 has a close end 12, a central part 14 and a distal portion 16 successively on its bearing of trend, wherein at central part 14 to the direction of distal portion 16, the barred body of Orthopedic rod 10 distal portion 16 is gradually thin.Proximally-located pedicle screw 22 can be fixed in the close end 12 of Orthopedic rod 10, and proximally-located pedicle screw 22 is provided with a near-end and implants the hold-down nut 224 that 222 and one of nails can be placed in the tail end of near-end implantation nail 222.
Guiding pedicle screw 24 is provided with 242 and one of a guiding implantation nail can be placed in the stop nut 244 that guiding is implanted the tail end of nail 242, please be simultaneously referring to Fig. 2, can form a gathering sill 248 after stop nut 244 is tightened and between the tail end of guiding implantation nail 242, the central part 14 of Orthopedic rod 10 can navigate within gathering sill 248, so that implanting nail 242, guiding can with respect to Orthopedic rod 10, slide on the central part 14 of Orthopedic rod 10 along the direction of arrow in Fig. 1.
Far-end location pedicle screw 26 is provided with a far-end and implants the sliding nut 264 that 262 and one of nails can be placed in the tail end of far-end implantation nail 262, the end that sliding nut 264 is implanted nail 262 towards far-end is provided with a cone 266, please be simultaneously referring to Fig. 3, the tip of cone 266 is embedded with a rotatable decorative pearl on top of an official cap 268, after tightening sliding nut 264, the decorative pearl on top of an official cap 268 can lean on the distal portion 16 of Orthopedic rod 10, and far-end is implanted nail 262 and can be slided towards the direction away from central part 14 along the distal portion 16 of Orthopedic rod 10, namely slides along the direction of arrow in Fig. 1.
As shown in Figure 4, the interior fixedly orthosis of above-mentioned trophophase skoliosis is when reality is used, it can be used on a side of infant vertebra, for example use in Fig. 4 on the vertebra of left side, and proximally-located pedicle screw 22, far-end location pedicle screw 26 is positioned at respectively on two end vertebras 32,36 of the near-end of skoliosis part and far-end, and the pedicle screw 24 that will lead is positioned on skoliosis top vertebra 34 partly.Insert Orthopedic rod 10, make far-end 16 parts of Orthopedic rod 10 reserve certain length, tighten hold-down nut 224, stop nut 244, sliding nut 264(and see also Fig. 1), with fixing Orthopedic rod 10, and can use rotation Orthopedic rod 10 and vertically strut technology, skoliosis is orthopedic, see also Fig. 5.During the infant growth promoter, along with the growth of spinal column, the relative position that is fixed on 26 of supraspinal proximally-located pedicle screw 22, guiding pedicle screw 24 and far-end location pedicle screws also can change at any time.Wherein, for being fixedly connected with, its position with respect to Orthopedic rod 10 can not change the proximally-located pedicle screw 22 that is fixed on near-end end vertebra 32 with Orthopedic rod 10 close ends 12, and namely Orthopedic rod 10 is with respect to the invariant position of near-end end vertebra 32.The guiding pedicle screw 24 that the centre is fixed on top vertebra 34 is connected with Orthopedic rod 10 being connected to slidably of central part 14, after spinal growth, the distance that top vertebra 34 and near-end end vertebra are 32 can be elongated, and the guiding pedicle screw 24 that is fixed on top vertebra 34 will correspondingly slide on Orthopedic rod 10.the far-end location pedicle screw 26 that is fixed on distal end vertebra 36 slidably contacts fixed form with Orthopedic rod 10 distal portion 16 for point-like, be that the embedded decorative pearl on top of an official cap 268 that rolls at cone 266 tips of sliding nut 264 can lean and temporarily be fixed on the distal portion 16 of Orthopedic rod 10 (please simultaneously referring to Fig. 1 and Fig. 3), and the barred body of the distal portion 16 of Orthopedic rod 10 is tapered, along with spinal growth extends, the distance that distal end vertebra 36 and near-end end vertebra are 32 also can constantly be elongated, the far-end implantation nail 262 that is fixed on distal end vertebra 36 will slide towards the direction away from central part 14 along the distal portion 16 of Orthopedic rod 10.
The fixing guiding pedicle screw 24 of orthosis in the skoliosis central area in above-mentioned trophophase skoliosis, can play stronger orthopedic and control action to skoliosis, therefore in the spinal growth process, the originally protruding spinal column of side normal " growth track " prolongation that can provide along Orthopedic rod 10 better.Guiding is implanted nail 242 can make the central part 14 of Orthopedic rod 10 slide therein with the formed gathering sill 248 of stop nut 244, and the gradually carefully design of Orthopedic rod 10 distal portion 16 barred bodies, when locking some contact fixed form with the embedded decorative pearl on top of an official cap 268 that rolls of the sliding nut 264 of far-end location pedicle screw 26, can adapt to the whole orthopedic course for the treatment of of spinal growth phase, avoided repeatedly cutting operation to strut, extend interior fixing adjustment, thereby greatly alleviate the infant misery, also save medical resources effectively; And far-end location pedicle screw 26 with contact fixed form slidably with the locking of the far-end 16 of Orthopedic rod 10 and temporarily fix, can guarantee initial when orthopedic spinal column length with remove rotate effect, provide condition for forming stable " growth track ".
In Fig. 4 and trophophase skoliosis shown in Figure 5 fixedly orthosis only comprise that a proximally-located pedicle screw 22, a guiding pedicle screw 24 and a far-end locate pedicle screw 26.certain difference according to therapeutic scheme, proximally-located pedicle screw 22, the quantity of guiding pedicle screw 24 and far-end location pedicle screw 26 also can be different, as shown in Fig. 6 and Fig. 7, its left and right sides at spinal column all is mounted with in the trophophase skoliosis fixedly orthosis, take in the left side as example, the interior fixedly orthosis of trophophase skoliosis wherein comprises: an Orthopedic rod 10, two proximally-located pedicle screws 22 that can be fixed on Orthopedic rod 10 close ends 12, two guiding pedicle screws 24 that can slide on Orthopedic rod 10 central parts 14, two far-ends that can be connected to the distal portion 16 of Orthopedic rod 10 are located pedicle screw 26.Adopt such scheme can more effectively complete scoliotic orthopaedic treatment.
Guiding illustrated in figures 1 and 2 is implanted on the tail end of nail 242 has the spacing screw thread 241 that matches with stop nut 244, so that stop nut 244 is implanted formation gathering sill 248 between the tail end of nail 242 with guiding after tightening.This structural design is simple, and good reliability certainly according to the difference that designs needs, also can design other structures and make stop nut 244 tighten formation gathering sill 248 between the tail end of rear and guiding implantation nail 242.
Certainly according to the difference that designs needs, guiding pedicle screw 24 also can adopt and be different from structure shown in Figure 2 and shape, for example as Fig. 8 and shown in Figure 9, the tail end of guiding implantation nail 242 has can roll over long-tail end 243, and as shown in Figure 9, described guiding implantation nail 242 is can be by the hollow pedicle screw of guide pin (not shown in FIG.) guiding.Can roll over the screw-in with stop nut 244 of inserting that long-tail end 243 is conducive to Orthopedic rod 10, and can will can roll over long-tail end 243 cracking-offs after screwing in stop nut 244, namely become the tail end that as shown in Figure 2 guiding is implanted nail 242.Guiding pedicle screw 24 is designed to can be by the hollow structure of guide pin guiding, can realize using under the mode that guide pin and X-ray examination combine, peel off the operation technique that appears in the pedicle of vertebral arch that guiding pedicle screw 24 can be inserted skoliosis central area vertebral body without subperiosteum, adopt such design, can prevent iatrogenic spontaneous fusion the in skoliosis central area, thereby avoid the trend of this skoliosis to stiff development and skoliosis structure complicated.
In addition, close end 12 rough surface of Orthopedic rod 10, the central part 14 of Orthopedic rod 10 and the smooth surface of distal portion 16.Adopt such design, can make fixing more firm between proximally-located pedicle screw 22 and Orthopedic rod 10, make guiding pedicle screw 24 and far-end location pedicle screw 26 more smooth with respect to the slip of Orthopedic rod 10, and reduce the formation of small chip in sliding friction.
Adopt in the trophophase skoliosis fixedly orthosis can avoid repeatedly cutting operation to strut, extend interior fixing adjustment, thereby greatly alleviate the infant misery, also save medical resources effectively; And the design of guiding pedicle screw can more effectively be carried out orthopedic to skoliosis and control, and allows simultaneously spinal column to be extended in growth course; And far-end is located locking and temporary transient the fixing of pedicle screw, sliding nut and Orthopedic rod distal portion, can guarantee initial when orthopedic spinal column length and remove rotate effect, provide condition for forming stable " growth track ", simultaneously under the effect of spinal growth power, make " growth track " that spinal column can provide along interior fixedly orthosis to the unidirectional prolongation of far-end.
In this article, " schematically " expression " is served as example, example or explanation ", any diagram, the embodiment that is described in this article " schematically " should be interpreted as a kind of preferred or have more the technical scheme of advantage.
Be to be understood that, although this description is described according to each embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should make description as a whole, technical scheme in each embodiment also can through appropriate combination, form other embodiments that it will be appreciated by those skilled in the art that.
Above listed a series of detailed description is only illustrating for feasibility embodiment of the present utility model; they are not to limit protection domain of the present utility model, all disengaging within equivalent embodiment that this utility model skill spirit does or change all should be included in protection domain of the present utility model.
Claims (5)
1. fixing orthosis in the trophophase skoliosis, it comprises:
An Orthopedic rod (10) is provided with a close end (12), a central part (14) and a distal portion (16) successively on its bearing of trend;
The proximally-located pedicle screw (22) that can be fixed in described close end (12), it is provided with a near-end and implants nail (222) and the hold-down nut (224) that can be placed in the tail end of described near-end implantation nail (222);
To the direction of described distal portion (16), the barred body of described distal portion (16) is gradually thin at described central part (14),
It is characterized in that, the interior fixedly orthosis of described trophophase skoliosis also comprises:
A guiding pedicle screw (24), it is provided with a guiding and implants nail (242) and the stop nut (244) that can be placed in the tail end of described guiding implantation nail (242), described stop nut (244) can be implanted with described guiding a tail end formation gathering sill (248) of nail (242), the central part (14) of described Orthopedic rod (10) can navigate within described gathering sill (248), and making described guiding implant nail (242) can slide along described central part (14); With
a far-end is located pedicle screw (26), it is provided with a far-end and implants nail (262) and the sliding nut (264) that can be placed in the tail end of described far-end implantation nail (262), the end that described sliding nut (264) is implanted nail (262) towards described far-end is provided with a cone (266), the tip of described cone (266) is embedded with a rotatable decorative pearl on top of an official cap (268), the described decorative pearl on top of an official cap (268) can lean on the distal portion (16) of described Orthopedic rod (10), and described far-end is implanted nail (262) and only can be slided towards the direction away from described central part (14) along described distal portion (16).
2. fixing orthosis in trophophase skoliosis as claimed in claim 1, wherein, has the spacing screw thread (241) that matches with described stop nut (244) on the tail end of described guiding implantation nail (242), implant formation described gathering sill (248) between the tail end of following closely (242) so that described stop nut (244) is tightened rear and described guiding.
3. fixing orthosis in trophophase skoliosis as claimed in claim 1, wherein, the tail end that described guiding is implanted nail (242) has can roll over long-tail end (243), and described guiding to implant nail (242) be the hollow pedicle screw that can be led by guide pin.
4. fixing orthosis in skoliosis as claimed in claim 1, wherein, close end (12) rough surface of described Orthopedic rod (10), the central part (14) of described Orthopedic rod (10) and the smooth surface of distal portion (16).
5. fixing orthosis in trophophase skoliosis as claimed in claim 1, wherein, it comprises:
A described Orthopedic rod (10);
Two described proximally-located pedicle screws (22), it can be fixed on the close end (12) of described Orthopedic rod (10);
Two described guiding pedicle screws (24), it can slide at the central part (14) of described Orthopedic rod (10); With
Two described far-ends are located pedicle screw (26), and it can be connected to the distal portion (16) of described Orthopedic rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220731356 CN203017071U (en) | 2012-12-27 | 2012-12-27 | Internal fixing corrector for scoliosis in growth period |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220731356 CN203017071U (en) | 2012-12-27 | 2012-12-27 | Internal fixing corrector for scoliosis in growth period |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203017071U true CN203017071U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220731356 Expired - Lifetime CN203017071U (en) | 2012-12-27 | 2012-12-27 | Internal fixing corrector for scoliosis in growth period |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203017071U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892897A (en) * | 2012-12-27 | 2014-07-02 | 藏磊 | Internal fixation orthosis for growing stage scoliosis |
| CN104799929A (en) * | 2015-05-25 | 2015-07-29 | 首都医科大学附属北京朝阳医院 | Internally fixed orthotics of growing-stage scoliosis |
| CN111278373A (en) * | 2017-10-24 | 2020-06-12 | 马亚·卡瓦利·塔杜·保罗 | Guiding device for fixing and puncturing a sliding blade of a dynamic implant |
-
2012
- 2012-12-27 CN CN 201220731356 patent/CN203017071U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892897A (en) * | 2012-12-27 | 2014-07-02 | 藏磊 | Internal fixation orthosis for growing stage scoliosis |
| CN103892897B (en) * | 2012-12-27 | 2016-10-19 | 藏磊 | Orthosis is fixed in trophophase skoliosis |
| CN104799929A (en) * | 2015-05-25 | 2015-07-29 | 首都医科大学附属北京朝阳医院 | Internally fixed orthotics of growing-stage scoliosis |
| CN111278373A (en) * | 2017-10-24 | 2020-06-12 | 马亚·卡瓦利·塔杜·保罗 | Guiding device for fixing and puncturing a sliding blade of a dynamic implant |
| CN111278373B (en) * | 2017-10-24 | 2023-10-03 | 马亚·卡瓦利·塔杜·保罗 | Guiding device for fixation and penetration of a sliding blade of a dynamic implant |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130626 Effective date of abandoning: 20161012 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |