CN102068303A - Pedicle screw - Google Patents
Pedicle screw Download PDFInfo
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- CN102068303A CN102068303A CN201110006471XA CN201110006471A CN102068303A CN 102068303 A CN102068303 A CN 102068303A CN 201110006471X A CN201110006471X A CN 201110006471XA CN 201110006471 A CN201110006471 A CN 201110006471A CN 102068303 A CN102068303 A CN 102068303A
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- afterbody pipe
- nail
- pipe
- groove
- pressure bar
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Abstract
The invention provides a pedicle screw. The pedicle screw comprises a screw body and a screw seat connected with the screw body, wherein the screw seat is equipped with a groove, and the inner side wall of the groove is equipped with an internal thread; the pedicle screw further comprises a tail tube, wherein the inner end of the tail tube is connected with the tail end surface of the screw seat; the extension direction of the tail tube is opposite to that of the screw body; the inner diameter of the tail tube is not less than the outer diameter of an internal thread; the tube wall of the tail tube is equipped with two stick penetration grooves which are oppositely arranged and communicated with a center hole of the tail tube respectively; and the stick penetration grooves stretch along the direction of a center line of the tail tube, and the inner ends of the stick penetration grooves are communicated with the grooves. By adopting the pedicle screw provided by the invention, operations can be conveniently conducted. In addition, the invention further provides a pedicle screw comprising a stick pressing device.
Description
Technical field
The present invention relates to spinal operation equipment, relate in particular to a kind of pedicle nail.
Background technology
Have the history of decades by the mode operative treatment deformity of spine of internal fixation of spine technology; Adopt the internal fixation of spine technology so far the eighties in 20th century from China, from initial Harrington (Ha Shi rod) technology to the Luque vertebral plate of the seventies under fixation with steel wire, arrive the CD internal fixation system again, the internal fixation of spine technology has obtained very big progress.In recent years, along with the development of spinal biomechanics research and material science, to such an extent as to the internal fixation of spine technology has obtained extensive use in operative treatments such as spinal column degenerative disease, tumor of spine, the infection of wound spinal column.
The apparatus that the internal fixation of spine operation is used comprises pedicle nail, rod, pressure bar device, breast-stroke pincers, waves pincers etc.Earlier pedicle nail is fixed on the vertebral body, again rod is installed on the pedicle nail, make pedicle nail and excellent relative fixed; By using pressure bar device, breast-stroke pincers, waving apparatus such as pincers thereby the rod with certain plasticity bend rod, pressure bar, is revolved operation drive pedicle nail such as rod and move, vertebral body is moved again, realization resets to the orthopedic of vertebral body.
Please refer to Fig. 1, Fig. 1 is the structural representation of pedicle nail in the prior art.
Pedicle nail used in the prior art comprises nail seat and nail body, in the implantable spinal column of nail body, the nail seat is provided with U type groove 1, rod can be inserted in the U type groove 1 of pedicle of vertebral arch ailing seat, above the sidewall of groove, be provided with screw thread 2 above the U-lag 1, this screw thread 2 cooperates and rod can be locked with suitable locking nut, realizes the fixing of pedicle nail and rod.
When carrying out the internal fixation of spine operation, select suitable pedicle nail earlier, the nail body of pedicle nail is implanted in the vertebral body of spinal column; Re-use the bottom that corresponding apparatus is pressed onto suitable rod the U type groove 1 of pedicle nail.Since pedicle nail according to reality, can be in and curved implant by the Human Physiology curve state under, a plurality of pedicle nails arrange with the bearing of trend of rod also inconsistent; No matter be to wear rod or the external rod of wearing in the body, it is very difficult that rod is penetrated a plurality of pedicle nails.For U type groove that rod is packed into smoothly, except will using breast-stroke pincers, also must use a large amount of supporting apparatuses such as waving pincers, pressure bar device to carry out pull-rod, pressure bar is operated, with pack into the bottom of U type groove 1 of pedicle nail of rod.After dress rod, pressure bar operation are finished, need carry out the resetting orthopedic operation.In the resetting orthopedic operating process, by revolving operations such as rod, curved rod, rod is carried out pre-bending in the body, also need to cooperate miscellaneous part to strut simultaneously and operation such as pressurization; Make rod produce corresponding deformation, drive pedicle nail, and then drive vertebral body and move, change the spinal column curve, make it can be good at meeting the physiological curve of the expection of human body.
In dress rod, pressure bar and resetting orthopedic operation, utilize the operating process of pedicle nail of the prior art and corresponding apparatus very complicated, thereby increased the difficulty of operation.
Therefore, providing a kind of pedicle nail that conveniently undergos surgery operation is those skilled in the art's technical issues that need to address.
Summary of the invention
The purpose of this invention is to provide a kind of pedicle nail, this pedicle nail can be provided convenience for adorning rod, pressure bar and resetting orthopedic.
For achieving the above object, pedicle nail provided by the present invention comprises nail body and the nail seat that connects with the nail bulk phase, described nail seat is provided with groove, described groove medial wall is provided with female thread, also comprise the afterbody pipe that the inner and described breech face of following closely seat links to each other, the bearing of trend of described afterbody pipe is opposite with the bearing of trend of described nail body; The internal diameter of described afterbody pipe is not less than the external diameter of described female thread, that the tube wall of described afterbody pipe is provided with is relative, communicate with centre bore respectively two wear excellent groove; Described centerline direction extension of wearing excellent groove at described afterbody pipe, and the inner communicates with described groove.
Optionally, described outer end sealing of wearing excellent groove.
Optionally, the outer end portion of described afterbody pipe is provided with two relative U type openings; With the vertical perspective plane of the centrage of described afterbody pipe on, described two U type openings and two are described to wear excellent groove and interlaces; The outer surface of the tube wall of described afterbody pipe has vertical first snap slot of centrage of bearing of trend and described afterbody pipe; Distance between the outer end of described first snap slot and described afterbody pipe is less than the distance between the outer end of the bottom of described U type opening and described afterbody pipe, and greater than the distance between the outer end of described outer end of wearing excellent groove and described afterbody pipe.
Optionally, the outer surface of tube wall of described afterbody pipe is provided with vertical second snap slot of centrage of bearing of trend and described afterbody pipe, and the distance between the outer end of described second snap slot and afterbody pipe is greater than the distance between the outer end of first snap slot and afterbody pipe.
Optionally, the junction of described afterbody pipe and described nail seat is provided with second snap slot, and the bearing of trend of described second snap slot is vertical with the centrage of described afterbody pipe.
Optionally, described outer end of wearing excellent groove is a hatch frame, and the outer surface of described afterbody pipe has the vertical snap slot of centrage of bearing of trend and described afterbody pipe.
Optionally, described afterbody pipe and described nail seat is one-body molded.
Optionally, described afterbody pipe and described nail seat is fixedly linked by welding.
Optionally, also comprise the pressure bar device, described pressure bar device is a tubular structure, and described pressure bar device internal diameter is not less than the external diameter of described afterbody pipe, the tube wall of described afterbody pipe is provided with the card seam towards its inner pawl, also is provided with the latch that matches with described pawl on the inwall of described pressure bar device.
Optionally, described pressure bar device one end face is provided with two relative excellent draw-in grooves.
Pedicle nail provided by the present invention has the body of nail and coupled nail seat, and the nail seat is provided with groove, and the groove medial wall is provided with female thread, and in the inner of the breech face connection afterbody pipe of following closely seat, the bearing of trend of afterbody pipe is opposite with the bearing of trend of nail body; The afterbody pipe is a tubular structure, and the internal diameter of afterbody pipe is not less than the external diameter of female thread, that the tube wall of afterbody pipe is provided with is relative, communicate with centre bore respectively two wear excellent groove; Wear excellent groove and extend at the centerline direction of afterbody pipe, and innerly communicate with groove, the outer surface of tube wall of described afterbody pipe is provided with pawl.Utilize pedicle nail provided by the invention, because pedicle nail has the afterbody pipe of predetermined length, after the nail body is implanted spinal column, the implantation point of pedicle nail can be departed from the outer end of the afterbody pipe of a plurality of pedicle nails, make a plurality of pedicle nails the afterbody pipe the outer end arrangement position with the rod bearing of trend more approaching; Like this, wearing during clubs does, can more easily rod passed successively the wearing in the excellent groove of afterbody pipe of a plurality of pedicle nails, finishing and wear clubs and do.Wearing after rod finishes, rod is moved to the inner of afterbody pipe along wearing excellent groove; Because the groove of the inner of wearing excellent groove and nail communicates, therefore, can successfully rod be pressed onto in the groove of nail seat of pedicle nail; Because the internal diameter of afterbody pipe 4 is not less than the external diameter of female thread 71, locking nut can be passed from the centre bore 11 of afterbody pipe 4, arrive female thread 71 places, lock locking nut again, realize the pre-locking of rod and pedicle nail, make rod and pedicle nail keep relative fixed, finish the installation of rod.In carrying out the pressure bar operation, pedicle nail is swung with rod, thereby can be realized certain resetting orthopedic, for follow-up resetting orthopedic operation provides good prerequisite.Herein, when carrying out resetting orthopedic, can more easily mobile vertebral body by the afterbody pipe, and then facilitate for the resetting orthopedic operation.
For cooperating the architectural feature of above-mentioned pedicle nail, the invention provides pedicle nail and also be provided with the pressure bar device, the tube wall of described afterbody pipe is provided with the card seam towards its inner pawl, described pressure bar device is a tubular structure, pressure bar device internal diameter is not less than the external diameter of the afterbody pipe of above-mentioned pedicle nail, and also is provided with the latch that matches with the pawl of above-mentioned pedicle nail on the inwall of pressure bar device.Like this, in the process of undergoing surgery,, therefore the pressure bar device can be inserted in the outside of the afterbody pipe of pedicle nail, rod be pressed onto in the groove of pedicle of vertebral arch ailing seat by the pressure bar device because the internal diameter of pressure bar device is not less than the external diameter of the afterbody pipe of pedicle nail; By the cooperation of pawl and latch, can make pressure bar device and pedicle nail keep motionless in the precalculated position, thereby for carrying out hold-down bars or other operations provide condition, for the pressure bar operation is provided convenience.
Description of drawings
Fig. 1 is the structural representation of pedicle nail in the prior art;
Fig. 2 is the front view of a kind of specific embodiment of pedicle nail provided by the present invention;
Fig. 3 is the side view of pedicle nail shown in Figure 2;
Fig. 4 is the three-dimensional cutaway view of pedicle nail shown in Figure 2;
Fig. 5 is the structural representation that the afterbody pipe of pedicle nail provided by the present invention is connected with the split of nail seat;
The structural representation of a kind of specific embodiment of the afterbody pipe split processing of the pedicle nail that provides of the present invention is provided Fig. 6;
Fig. 7 is the cutaway view of pressure bar device provided by the present invention.
The specific embodiment
A core of the present invention provides a kind of pedicle nail, and this pedicle nail is provided convenience for dress rod, pressure bar and resetting orthopedic.
In order to make those skilled in the art person understand the present invention program better, the invention will be described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2, Fig. 3 and Fig. 4, Fig. 2 is the front view of pedicle nail provided by the present invention; Fig. 3 is the side view of pedicle nail shown in Figure 2; Fig. 4 is the three-dimensional cutaway view of pedicle nail shown in Figure 2, the figure shows longitudinally cutting after, the perspective view of pedicle nail remainder.
Pedicle nail provided by the present invention comprises nail body 8 and nail seat 7, and the afterbody of nail seat 7 is provided with the groove 72 at its breech face opening, and groove 72 medial walls are provided with female thread 71.Also comprise the afterbody pipe 4 that the inner and described breech face of following closely seat 7 links to each other, afterbody pipe 4 has predetermined length, and its bearing of trend is opposite with the bearing of trend of nail body 8.Afterbody pipe 4 is a tubular structure, and its inner diameter d 1 is not less than the outside diameter d 2 (situation about equating for both shown in the figure) of female thread 71.That the tube wall of afterbody pipe 4 is provided with is relative, communicate with the centre bore 11 of afterbody pipe 4 respectively two wear excellent groove 10; Wear excellent groove 10 and extend at the centerline direction of afterbody pipe 4, and innerly communicate with groove 72, the outer surface of tube wall of afterbody pipe 4 is provided with the card seam towards its inner pawl 5.
When adorning clubs and do, owing to have the afterbody pipe 4 of predetermined length, after nail body 8 is implanted the vertebral body of spinal column, the implantation point of pedicle nail can be departed from the outer end of the afterbody pipe 4 of a plurality of pedicle nails, and then makes the outer end arrangement position and the excellent bearing of trend of afterbody pipe 4 of a plurality of pedicle nails more approaching; Like this, wearing during clubs does, can more easily rod passed successively the wearing in the excellent groove 10 of afterbody pipe 4 of a plurality of pedicle nails, finishing and wear clubs and do.Can carry out the pressure bar operation after finishing wearing rod, utilize suitable apparatus (pressure bar device as described later) to make rod along wearing excellent groove 10 to afterbody pipe 4 inner moving; Because the groove 72 of the inner of wearing excellent groove 10 and nail 7 communicates, therefore, rod successfully can be pressed onto in the groove 72 of nail seat 7 of pedicle nail.The card seam of pawl 5 is towards the inner of afterbody pipe 4, and pawl 5 matches with the latch of aftermentioned pressure bar device; Like this, when rod being pressed into groove 72 or being pressed onto the precalculated position, pawl 5 matches with the latch of pressure bar device and can make pressure bar device and afterbody pipe 4 keep relative fixed, makes rod keep temporary transient locking, thereby for carrying out hold-down bars or other operations provide prerequisite.Because the internal diameter of afterbody pipe 4 is not less than the external diameter of female thread 71, locking nut can be passed from the centre bore 11 of afterbody pipe 4, arrive female thread 71 places, lock locking nut again, realize the pre-locking of rod and pedicle nail.Therefore, this pedicle nail can conveniently be adorned rod and pressure bar operation.
When utilizing the pressure bar device to carry out pressure bar, rod is when wearing excellent groove 10 and move, and rod can also drive pedicle nail and move, and realizes certain orthopedic resetting; Wear after the operation of rod and pressure bar finishes, when carrying out resetting orthopedic, can more easily mobile vertebral body by afterbody pipe 4, and then operate for resetting orthopedic and to facilitate.
In addition, on the afterbody pipe 4, the quantity of pawl 5 and position can be selected according to actual needs.When being provided with a plurality of pawl 5, a plurality of pawls 5 can be worn the outward flange setting of excellent groove 10 along one or two, as shown in Figure 4; A plurality of pawls 5 are provided with and can make pressure bar more convenient to operate along wearing excellent groove 10.Certainly, pawl 5 also can be arranged on other positions of the outer surface of tube wall of afterbody pipe 4.
In the pedicle nail in a kind of specific embodiment provided by the invention, wear the outer end sealing of excellent groove 10, can avoid wearing in the rod motion so on the one hand, rod skids off wears excellent groove 10, can also increase the intensity of afterbody pipe simultaneously, to reach better fixed effect.
When enclosed construction is adopted in the outer end of wearing excellent groove 10, two relative U type openings 9 can be set in the outer end portion of afterbody pipe 4; It is interlaced on the centrage vertical plane of afterbody pipe 4 that two U type openings 9 and two wear excellent groove 10; Vertical first snap slot 3 of centrage of bearing of trend and afterbody pipe 4 is set at the outer surface of tube wall of afterbody pipe 4 simultaneously; Wherein, the distance L 2 between the outer end of first snap slot 3 and afterbody pipe 4 is less than the distance L 1 between the outer end of the bottom of U type opening 9 and afterbody pipe 4, and greater than the distance L 3 between the outer end of outer end of wearing excellent groove 10 and afterbody pipe 4.After operation is finished, the part of two U type opening 9 both sides can be fractureed along first snap slot 3 like this, and then make and wear excellent groove 10 outer ends and convert hatch frame to, the two side portions of wearing excellent groove 10 facilitates in order further to fracture.
Wear the two side portions of excellent groove 10 for the ease of fractureing, further, be provided with distance L between the outer end of centrage vertical second snap slot 6, the second snap slots 6 of bearing of trend and afterbody pipe 4 and afterbody pipe 4 at the outer surface of tube wall of afterbody pipe 4 greater than the distance L 2 between the outer end of first snap slot 3 and afterbody pipe 4.Like this, after the pressure bar operation is finished, can fracture along second snap slot 6 and wear excellent groove 10 two side portions, and then shorten the length of pedicle nail.
Second snap slot 6 can be arranged between the inner of first snap slot 3 and afterbody pipe 4.Preferred embodiment, be that second snap slot 6 is arranged on afterbody pipe 4 and the junction of following closely seat 7, and make the bearing of trend of second snap slot 6 vertical with the centrage of afterbody pipe 4.Like this, when fractureing operation, can fully afterbody pipe 4 be removed, only keep the nail body 8 and the nail seat 7 of pedicle nail, reduce operation back pedicle nail occupation space.
Distance L 2 between the outer end of distance L 1, first snap slot 3 and afterbody pipe 4 between the bottom of the distance L between the outer end of second snap slot 6 and afterbody pipe 4, U type opening 9 and the outer end of afterbody pipe 4 and wear the outer end of excellent groove 10 and the outer end of afterbody pipe 4 between the numerical range of distance L 3 be equipped with, be that afterbody pipe 4 adopts different length, wears the different length of excellent groove 10 employings, above-mentioned distance all can change to some extent, can select according to actual needs.
The setting of above-mentioned first snap slot 3 and second snap slot 6 is not that what only define snap slot is two, and the quantity of snap slot and position can be selected according to practical operation, certainly, under afterbody tube material situation easy to break, snap slot can be set yet.
Under specific circumstances, the outer end that also can wear excellent groove 10 is set to hatch frame.When adopting hatch frame, after operation fractureing of afterbody pipe 4 being operated also can be more convenient.When wearing excellent groove 10 for hatch frame, the outer surface of tube wall of afterbody pipe 4 also can be provided with the vertical snap slot of centrage of bearing of trend and afterbody pipe 4, for the postoperative operation that fractures is provided convenience, and the quantity of snap slot can be provided with according to the needs of reality processing.
The above outer end and the inner all are for nail body 8, and promptly the end near nail body 8 is inner, is the outer end away from an end of following closely body 8.
Please refer to Fig. 5 and Fig. 6, Fig. 5 is the structural representation that the afterbody pipe of pedicle nail provided by the present invention is connected with the split of nail seat, and the structural representation of a kind of specific embodiment of the afterbody pipe split processing of the pedicle nail that provides of the present invention is provided Fig. 6.Described 4 splits of afterbody pipe are processed is meant, at first, the part of afterbody pipe 4 and nail seat 7 are processed as one, another part of afterbody pipe 4 is separately after the processing, with two parts welding of afterbody pipe 4, and then structures such as excellent groove 10, U type opening 9 and pawl 5 are worn in processing.Certainly, also can change machining process according to actual needs.
For ease of the operation of above-mentioned pedicle nail, pedicle nail provided by the invention also comprises the pressure bar device that matches with it.Should be noted that pedicle nail provided by the invention is not limited to match with following pressure bar device, use also can match with other apparatuses.
Please refer to Fig. 7, Fig. 7 is the cutaway view of pressure bar device in the pedicle nail provided by the present invention.
As shown in FIG., this pressure bar device is a tubular structure, and the inside diameter D 2 of pressure bar device is not less than the outer diameter D 1 of above-mentioned afterbody pipe 4, also is provided with the latch 12 that matches with above-mentioned pawl 5 on the inwall of pressure bar device.Latch 12 can be by flexure strip or other elastomeric elements and pressure bar device the linking to each other of tube wall; Like this, in carrying out the pressure bar operating process, can make latch 12 outwards swing under the effect of pawl 5 tops, to make things convenient for the pressure bar device to lower slider; Elastomeric element can keep latch 12 to move inward trend, to keep at preposition and the cooperating of pawl 5.In addition, bigger at the internal diameter of pressure bar device, and when having suitable dimension, latch 12 and pressure bar device inwall are maintained fixed; Under this situation, when pressure bar, need make the centrage of pressure bar device depart from the centrage of afterbody pipe 4, make latch 12 keep separating, after the pressure bar device arrives the precalculated position, make the translation of pressure bar device again, latch 12 is cooperated with pawl 5 maintenances with pawl 5.
When carrying out the pressure bar operation,, therefore, the pressure bar device can be set to outside the pedicle nail afterbody pipe 4 because the inside diameter D 2 of pressure bar device is not less than the outer diameter D 1 of afterbody pipe 4.The pressure bar device is pressed down, make rod, when needs are located, latch 12 is cooperated, with pawl 5 temporarily with excellent locking along wearing excellent groove.Under the situation that latch 12 and pawl 5 match, just can realize the location of pressure bar device and the temporary transient locking of rod, therefore, the pressure bar device goes for the above-mentioned pedicle nail of the external diameter of afterbody pipe 4 less than the different model of its internal diameter.
In addition, be provided with two relative excellent draw-in grooves 13 at pressure bar device one end face.In the operating process, excellent draw-in groove 13 is used to be stuck in the side of rod, and rod is moved along wearing excellent groove 10.
The latch 12 of pressure bar device can only be provided with one, and when the pressure bar device carried out pressure bar, along with moving down of pressure bar device, the pawl 5 that latch 12 can be different with position on the pressure bar device centerline direction cooperated, equally can be at preposition with the temporary transient locking of rod.Certainly, latch 12 can also be set to a plurality of.
More than a kind of pedicle nail provided by the present invention is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. pedicle nail, comprise nail body and the nail seat that connects with the nail bulk phase, described nail seat is provided with groove, described groove medial wall is provided with female thread, it is characterized in that, also comprise the afterbody pipe that the inner and described breech face of following closely seat links to each other, the bearing of trend of described afterbody pipe is opposite with the bearing of trend of described nail body; The internal diameter of described afterbody pipe is not less than the external diameter of described female thread, that the tube wall of described afterbody pipe is provided with is relative, communicate with centre bore respectively two wear excellent groove; Described centerline direction extension of wearing excellent groove at described afterbody pipe, and the inner communicates with described groove.
2. pedicle nail according to claim 1 is characterized in that, described outer end sealing of wearing excellent groove.
3. pedicle nail according to claim 2 is characterized in that, the outer end portion of described afterbody pipe is provided with two relative U type openings; With the vertical perspective plane of the centrage of described afterbody pipe on, described two U type openings and two are described to wear excellent groove and interlaces; The outer surface of the tube wall of described afterbody pipe has vertical first snap slot of centrage of bearing of trend and described afterbody pipe; Distance between the outer end of described first snap slot and described afterbody pipe is less than the distance between the outer end of the bottom of described U type opening and described afterbody pipe, and greater than the distance between the outer end of described outer end of wearing excellent groove and described afterbody pipe.
4. pedicle nail according to claim 3, it is characterized in that, the outer surface of tube wall of described afterbody pipe is provided with vertical second snap slot of centrage of bearing of trend and described afterbody pipe, and the distance between the outer end of described second snap slot and afterbody pipe is greater than the distance between the outer end of first snap slot and afterbody pipe.
5. pedicle nail according to claim 3 is characterized in that, the junction of described afterbody pipe and described nail seat is provided with second snap slot, and the bearing of trend of described second snap slot is vertical with the centrage of described afterbody pipe.
6. pedicle nail according to claim 1 is characterized in that, described outer end of wearing excellent groove is a hatch frame, and the outer surface of described afterbody pipe has the vertical snap slot of centrage of bearing of trend and described afterbody pipe.
7. according to each described pedicle nail of claim 1-6, it is characterized in that described afterbody pipe and described nail seat are one-body molded.
8. according to each described pedicle nail of claim 1-6, it is characterized in that described afterbody pipe and described nail seat are fixedly linked by welding.
9. according to each described pedicle nail of claim 1-6, it is characterized in that, also comprise the pressure bar device, described pressure bar device is a tubular structure, described pressure bar device internal diameter is not less than the external diameter of described afterbody pipe, the tube wall of described afterbody pipe is provided with the card seam towards its inner pawl, also is provided with the latch that matches with described pawl on the inwall of described pressure bar device.
10. pedicle nail according to claim 9 is characterized in that, described pressure bar device one end face is provided with two relative excellent draw-in grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110006471 CN102068303B (en) | 2011-01-13 | 2011-01-13 | Pedicle screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110006471 CN102068303B (en) | 2011-01-13 | 2011-01-13 | Pedicle screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102068303A true CN102068303A (en) | 2011-05-25 |
| CN102068303B CN102068303B (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110006471 Active CN102068303B (en) | 2011-01-13 | 2011-01-13 | Pedicle screw |
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| Country | Link |
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| CN (1) | CN102068303B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670295A (en) * | 2012-06-04 | 2012-09-19 | 上海拓腾医疗器械有限公司 | Internal fixation device of spine |
| CN103070725A (en) * | 2013-01-14 | 2013-05-01 | 北京市富乐科技开发有限公司 | Minimally invasive extension jib pedicle screw |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060030839A1 (en) * | 2004-07-21 | 2006-02-09 | Solco Biomedical Co., Ltd. | Pedicle screw and operating device thereof |
| US20070088357A1 (en) * | 2005-10-18 | 2007-04-19 | Sdgi Holdings, Inc. | Adjustable bone anchor assembly |
| CN101147693A (en) * | 2007-11-05 | 2008-03-26 | 周跃 | Percutaneous cervical arc root screw internal fixing system |
| CN101803944A (en) * | 2010-03-26 | 2010-08-18 | 王春 | pedicle screw |
| CN201930059U (en) * | 2011-01-13 | 2011-08-17 | 邱勇 | Vertebral pedicle screw |
-
2011
- 2011-01-13 CN CN 201110006471 patent/CN102068303B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060030839A1 (en) * | 2004-07-21 | 2006-02-09 | Solco Biomedical Co., Ltd. | Pedicle screw and operating device thereof |
| US20070088357A1 (en) * | 2005-10-18 | 2007-04-19 | Sdgi Holdings, Inc. | Adjustable bone anchor assembly |
| CN101147693A (en) * | 2007-11-05 | 2008-03-26 | 周跃 | Percutaneous cervical arc root screw internal fixing system |
| CN101803944A (en) * | 2010-03-26 | 2010-08-18 | 王春 | pedicle screw |
| CN201930059U (en) * | 2011-01-13 | 2011-08-17 | 邱勇 | Vertebral pedicle screw |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670295A (en) * | 2012-06-04 | 2012-09-19 | 上海拓腾医疗器械有限公司 | Internal fixation device of spine |
| CN102670295B (en) * | 2012-06-04 | 2015-01-07 | 上海三友医疗器械有限公司 | Internal fixation device of spine |
| CN103070725A (en) * | 2013-01-14 | 2013-05-01 | 北京市富乐科技开发有限公司 | Minimally invasive extension jib pedicle screw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102068303B (en) | 2013-04-03 |
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