CN101536929A - Pedicle screw positioning device and positioning method thereof - Google Patents
Pedicle screw positioning device and positioning method thereof Download PDFInfo
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- CN101536929A CN101536929A CN200910038581A CN200910038581A CN101536929A CN 101536929 A CN101536929 A CN 101536929A CN 200910038581 A CN200910038581 A CN 200910038581A CN 200910038581 A CN200910038581 A CN 200910038581A CN 101536929 A CN101536929 A CN 101536929A
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- pedicle screw
- spinous process
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- guide pipes
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- 238000000034 method Methods 0.000 title claims abstract description 76
- 230000004807 localization Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 210000003484 anatomy Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010019909 Hernia Diseases 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000037182 bone density Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
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Abstract
The invention discloses a pedicle screw positioning device and a positioning method thereof. The device comprises a spinous process clamp, a connecting rod and two pedicle screw guide pipes, wherein the front end of the spinous process clamp is provided with two opposite clamps, the connecting rod is connected with the spinous process clamp, the two pedicle screw guide pipes are respectively symmetrically arranged at both ends of the connecting rod, and an angular adjustment device is arranged between the both ends of the connecting rod and the two pedicle screw guide pipes. The positioning method at least comprises the following steps: a, adjusting angles of the two pedicle screw guide pipes relative to the connecting rods; b, tightly clamping a spinous process by the spinous process clamp and adjusting an angle of the spinous process clamp relative to a pedicle; and c, respectively inserting pedicle screws into the pedicle screw guide pipes and feeding the pedicle screws under the guide action of the pedicle screw guide pipes. The invention can accurately position the pedicle screws, is more convenient for operative manipulation, lessens hurt to patients and improves the safety and the controllability of operations.
Description
Technical field
The present invention relates to a kind of pedicle screw positioning device and localization method.
Background technology
As shown in Figure 1, for the patient of intervertebral disk hernia, spinal canal stenosis or vertebra wound, general commonly used running into need be squeezed into two pedicle nails 3 on vertebra 1, in traditional clinical operation process, be to determine entry point and needle angle by rule of thumb by the doctor, the craftsmenship of operation is very high, grasps difficulty; On the other hand, in the traditional operation process, need repeatedly use equipment such as C type arm that the patient is carried out photo, and equipment such as C type arm cause to a certain degree damage to the patient; Once more, traditional operation whether success not only depends on patient's individual factors, and as anatomical structure, vertebral body form and the bone density of vertebral body, the state when also depending on the experience of operator and operation causes the safety and the controllability of performing the operation low.
Summary of the invention
The object of the present invention is to provide a kind of pedicle screw positioning device and localization method, the present invention can position the pedicle of vertebral arch pin accurately, and more convenient operation during operation reduces the damage to the patient, has also improved the safety and the controllability of operation.
Its technical scheme is as follows:
A kind of pedicle screw positioning device, this device comprises spinous process folder, connecting rod and two pedicle screw guide pipes, the front end of spinous process folder is provided with two relative intermediate plates, connecting rod is connected with the spinous process folder, two pedicle screw guide pipes are symmetricly set on the two ends of connecting rod respectively, are provided with angular adjustment apparatus between the two ends of connecting rod and two pedicle screw guide pipes.
Adopt aforementioned pedicle screw positioning device, its localization method comprises the steps: a1 at least, adjusts two pedicle screw guide pipes with respect to the angle between the connecting rod; B, spinous process is clipped on the spinous process clamps, and adjust the angle of spinous process folder with respect to pedicle of vertebral arch; C, pedicle nail is inserted in the pedicle screw guide pipes respectively, and under the guide effect of pedicle screw guide pipes inserting needle.Owing to adopted pedicle of vertebral arch pin positioner that the pedicle of vertebral arch pin is led, when operation, reduce the difficulty of doctor's operation among the present invention, can determine entry point and needle angle accurately, also improved the safety and the controllability of operation; After adopting pedicle screw positioning device, the number of times of equipment such as use C type arm still less reduces the damage to the patient.
Further technical scheme of the present invention is:
The rear end of described spinous process folder extends back to form and holds bar, and in clamping, position fixing process, the doctor can hold this and hold the bar position, the convenient extracting.
Described two intermediate plates are movable to be provided with, and is provided with the intermediate plate lock at described spinous process folder front end, and this intermediate plate lock is pressed on described intermediate plate rear side and described intermediate plate is played locking action.When clamping, two intermediate plates lay respectively at the both sides of spinous process, after the spinous process folder is determined with respect to the angle of spinous process, can two intermediate plates be locked by the intermediate plate lock, in order to avoid the spinous process folder is loosening, the intermediate plate lock can be tubulose, and cooperates with the spinous process folder by female thread, during the pivoted-jaw clip lock, the intermediate plate lock forwards promotes and two intermediate plates is clamped spinous process.
Described angular adjustment apparatus is a graduated disc, can show relative angle between connecting rod two ends and two pedicle screw guide pipes by graduated disc, and can adjust accordingly.
The two ends of described connecting rod respectively are provided with two lateral plates, and two lateral plates of connecting rod end form fork configuration; Described two pedicle screw guide pipes are hinged on respectively on the lateral plate at described connecting rod two ends, and described graduated disc and described pedicle screw guide pipes are fixed and inserted in the fork configuration of connecting rod end; Be provided with adjustment screw on one of them lateral plate of described each end of connecting rod, this adjustment screw is pressed on the described graduated disc.When adjusting angle, unclamp adjustment screw, graduated disc (and pedicle screw guide pipes) can rotate with respect to connecting rod, after angle adjustment puts in place, tightens adjustment screw and adjustment screw is pressed on graduated disc on the lateral plate of connecting rod end and graduated disc (and pedicle screw guide pipes) is fixing.Adjustment to the graduated disc angle calculates by scanning, and finishes in advance before operation.
The both sides of described connecting rod and spinous process folder connecting portion are equipped with length adjustment device, and the distance between this length adjustment device presss from both sides with spinous process in order to two pedicle screw guide pipes adjusting both sides is to adapt to patient's different physiological structures; As for the child, because vertebral body is less, so the distance between both sides pedicle screw guide pipes and the spinous process folder is less, and for the adult, the distance between both sides pedicle screw guide pipes and the spinous process folder is bigger.Concrete structure can be: described connecting rod comprises sheathed trocar sheath, interior loop bar mutually, on trocar sheath, be provided with lock screw, on interior loop bar, be provided with scale, the length that interior loop bar can slide and regulate connecting rod on trocar sheath, after adjusting puts in place, can lock by lock screw.
Described pedicle screw positioning device also comprise at least one independently, can be laid in the locating mesh at spinous process place, further, described locating mesh is two, locating mesh is a wire netting, is provided with the identifier of metal in the grid.When operation, the both sides that two locating mesh are inserted spinous process respectively, earlier to the patient scan (can see during scanning locating mesh and on identifier), on scanning device, can determine the angle of spinous process folder with respect to spinous process, identifier mainly is convenient identification, when scanning, can on scanning device, show, when the spinous process folder clamps, can determine angle accurately.
Used scanning device can be C type arm or X line projectoscope among the present invention, also can adopt existing other scanning device, and this is a prior art.
In sum, the present invention has following advantage:
1, in the operation process, more convenient to the location of pedicle of vertebral arch pin, simple to operate;
2, the location of pedicle of vertebral arch pin is more accurate, and the safety and the controllability of operation are higher;
3, minimizing is to patient's RADI.
Description of drawings
Fig. 1 is the state diagram of pedicle of vertebral arch stylus printer when going into vertebra;
Fig. 2 is the structure chart of pedicle screw positioning device of the present invention;
Fig. 3 is the johning knot composition of pedicle screw guide pipes and connecting rod;
Fig. 4 is the state diagram when adopting pedicle screw positioning device of the present invention to squeeze into pedicle nail;
Fig. 5 is among Fig. 4, and spinous process is clipped in the partial enlarged drawing when clamping on the spinous process;
Fig. 6 is the side view of Fig. 5;
Description of reference numerals:
1, vertebra, 2, spinous process, 3, pedicle nail, 4, spinous process folder, 5, intermediate plate, 6, connecting rod, 7, lock screw, 8, pedicle screw guide pipes, 9, graduated disc, 10, hold bar, 11, lateral plate, 12, hinged nail, 13, adjustment screw, 14, locating mesh, 15, the intermediate plate lock, 16, interior loop bar, 17, trocar sheath.
The specific embodiment
Extremely shown in Figure 6 as Fig. 1, a kind of pedicle screw positioning device, this device comprises spinous process folder 4, connecting rod 6 and two pedicle screw guide pipes 8, the front end of spinous process folder 4 is provided with two relative intermediate plates 5, connecting rod 6 is connected with spinous process folder 4, two pedicle screw guide pipes 8 are symmetricly set on the two ends of connecting rod 6 respectively, are provided with angular adjustment apparatus between the two ends of connecting rod 6 and two pedicle screw guide pipes 8.
Wherein, described angular adjustment apparatus is a graduated disc 9, presss from both sides 4 front ends at spinous process and is provided with intermediate plate lock 15, and this intermediate plate lock 15 is pressed on intermediate plate 5 rear sides and to 5 locking actions of intermediate plate; The rear end of spinous process folder 4 extends back to form and holds bar 10; Described connecting rod 6 comprises sheathed trocar sheath 17, interior loop bar 16 mutually, on trocar sheath 17, be provided with lock screw 7, on interior loop bar 16, be provided with scale, the length that interior loop bar 16 can slide and regulate connecting rod 6 on trocar sheath 17, after adjusting puts in place, can lock by lock screw 7; The two ends of described connecting rod 6 respectively are provided with two lateral plates 11, and two lateral plates 11 of connecting rod 6 ends form fork configuration; Two pedicle screw guide pipes 8 are hinged on respectively on the lateral plate 11 at connecting rod 6 two ends, and graduated disc 9 is fixed with pedicle screw guide pipes 8 and inserted in the fork configuration of connecting rod 6 ends, and graduated disc 9 is hinged with lateral plate 11 by hinged nail 12; Be provided with adjustment screw 13 on one of them lateral plate 11 of connecting rod 6 each end, this adjustment screw 13 is pressed on the graduated disc 9; This pedicle screw positioning device also comprise two independently, can be laid in the locating mesh 14 at spinous process 2 places, locating mesh 14 is a wire netting, different positions is provided with different metal identification symbol (not shown)s in the grid.
Adopt aforementioned pedicle screw positioning device, its localization method is:
A1, by C type arm the patient is carried out art before CT, MR check scanning, understand physiology, the anatomical structure of patient's vertebra 1, measure two pedicle nails 3 simultaneously and intend advancing to follow closely angle, and adjust two pedicle screw guide pipes 8 with respect to the angle between the connecting rod 6 by this angle in advance, tighten adjustment screw 13 and adjustment screw 13 is pressed on graduated disc 9 on the lateral plate 11 of connecting rod 6 ends and graduated disc 9 (and pedicle screw guide pipes 8) is fixing;
B, the both sides of in the art two locating mesh 14 being inserted spinous process 2 respectively, to the patient scan (can see during scanning locating mesh 14 and on identifier), on scanning device, can determine spinous process folder 4 angles with respect to pedicle of vertebral arch, by this angle spinous process folder 4 is clamped on spinous process 2, and (identifier mainly is convenient identification to adjust spinous process folder 4 angles with respect to pedicle of vertebral arch, when scanning, can on scanning device, show, when spinous process folder 4 clamps, can determine angle accurately), after spinous process folder 4 is determined with the angle of spinous process 2, can be by 15 lockings of intermediate plate lock;
C, pedicle nail 3 is inserted respectively in the pedicle screw guide pipes 8, and under the guide effect of pedicle screw guide pipes 8 inserting needle, pedicle nail 3 is squeezed into vertebra 1.
Owing to adopted pedicle of vertebral arch pin positioner that the pedicle of vertebral arch pin is led, when operation, reduce the difficulty of doctor's operation in the present embodiment, can determine entry point and needle angle accurately, also improved the safety and the controllability of operation; After adopting pedicle screw positioning device, the number of times of equipment such as use C type arm still less reduces the damage to the patient.
Be preferred embodiment of the present invention only below, do not limit protection scope of the present invention with this; Any replacement and the improvement done on the basis of not violating the present invention's design all belong to protection scope of the present invention.
Claims (12)
1, a kind of pedicle screw positioning device, it is characterized in that, this device comprises spinous process folder, connecting rod and two pedicle screw guide pipes, the front end of spinous process folder is provided with two relative intermediate plates, connecting rod is connected with the spinous process folder, two pedicle screw guide pipes are symmetricly set on the two ends of connecting rod respectively, are provided with angular adjustment apparatus between the two ends of connecting rod and two pedicle screw guide pipes.
2, pedicle screw positioning device according to claim 1 is characterized in that, the rear end of described spinous process folder extends back to form and holds bar.
3, pedicle screw positioning device according to claim 1 is characterized in that, described two intermediate plates are movable to be provided with, and is provided with the intermediate plate lock at described spinous process folder front end, and this intermediate plate lock is pressed on described intermediate plate rear side and described intermediate plate is played locking action.
4, pedicle screw positioning device according to claim 1 is characterized in that described angular adjustment apparatus is a graduated disc, and the two ends of described connecting rod respectively are provided with two lateral plates, and two lateral plates of connecting rod end form fork configurations; Described two pedicle screw guide pipes are hinged on respectively on the lateral plate at described connecting rod two ends, and graduated disc and described pedicle screw guide pipes are fixed and inserted in the fork configuration of connecting rod end; Be provided with adjustment screw on one of them lateral plate of described each end of connecting rod, this adjustment screw is pressed on the graduated disc.
5, pedicle screw positioning device according to claim 1 is characterized in that, the both sides of described connecting rod and spinous process folder connecting portion are equipped with length adjustment device.
6, as pedicle screw positioning device as described in each in the claim 1 to 5, it is characterized in that, described pedicle screw positioning device also comprise at least one independently, can be laid in the locating mesh at spinous process place.
7, as pedicle screw positioning device as described in the claim 6, it is characterized in that described locating mesh is two, locating mesh is a wire netting, is provided with the identifier of metal in the grid.
8, a kind of pedicle nail localization method is characterized in that, this method comprises the steps: at least
9, a1, two pedicle screw guide pipes of adjustment are with respect to the angle between the connecting rod;
10, b, spinous process be clipped on the spinous process clamp, and adjust the angle of spinous process folder with respect to pedicle of vertebral arch;
C, pedicle nail is inserted in the pedicle screw guide pipes respectively, and under the guide effect of pedicle screw guide pipes inserting needle.
11, as pedicle nail localization method as described in the claim 8, it is characterized in that before aforementioned a1 step, also having a step:
A0, elder generation are scanned the patient, and determine two angles between the pedicle nail according to scanning result, and regulate setting by angular adjustment apparatus.
12, as pedicle nail localization method as described in the claim 8, it is characterized in that, in aforementioned b step, be provided with locating mesh, earlier the patient is scanned, and regulate spinous process according to scanning result and be clipped in angle when clamping on the spinous process at patient's spinous process place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100385817A CN101536929B (en) | 2009-04-13 | 2009-04-13 | Pedicle screw positioning device and positioning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100385817A CN101536929B (en) | 2009-04-13 | 2009-04-13 | Pedicle screw positioning device and positioning method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101536929A true CN101536929A (en) | 2009-09-23 |
| CN101536929B CN101536929B (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100385817A Expired - Fee Related CN101536929B (en) | 2009-04-13 | 2009-04-13 | Pedicle screw positioning device and positioning method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101828966A (en) * | 2010-04-28 | 2010-09-15 | 郑明辉 | Positioning device of percutaneous lumbar intervertebral disc operation path and positioning method |
| CN101972165A (en) * | 2010-11-18 | 2011-02-16 | 王铁铸 | X-ray-film-based method for locating coordinates of pedicle screws |
| CN102715947A (en) * | 2012-07-03 | 2012-10-10 | 张春霖 | Following type spine self-positioning navigation operation machine hand and positioning method thereof |
| WO2012140569A3 (en) * | 2011-04-08 | 2012-12-27 | Università Di Pisa | Drilling mask for implanting a transpedicular screw |
| CN106937883A (en) * | 2017-04-11 | 2017-07-11 | 福建医科大学附属协和医院 | Based on the percutaneous microchannel Cervical vertebra pedicle nail guiding locator of CT data three-dimensionals |
| CN109549692A (en) * | 2019-01-21 | 2019-04-02 | 王昶 | A kind of spinal vertebral bilateral vertebral pedicle puncture navigator fix bone cement injector |
| CN109700521A (en) * | 2019-01-29 | 2019-05-03 | 苏州点合医疗科技有限公司 | One kind creating vertebral canal plastic operation device to wearing to decline |
| CN114305641A (en) * | 2021-12-27 | 2022-04-12 | 慈溪市人民医院医疗健康集团(慈溪市人民医院) | Pedicle screw advances nail angle measuring subassembly |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5437669A (en) * | 1993-08-12 | 1995-08-01 | Amei Technologies Inc. | Spinal fixation systems with bifurcated connectors |
| CN2678586Y (en) * | 2004-01-09 | 2005-02-16 | 叶保国 | Nail grafting guider for pedicle of vertebral arch |
| CN2776329Y (en) * | 2005-03-29 | 2006-05-03 | 朱瑜琪 | Vertebral arch root screw nail fixator |
| CN201404283Y (en) * | 2009-04-13 | 2010-02-17 | 郑明辉 | Locating device of vertebral pedicle nail |
-
2009
- 2009-04-13 CN CN2009100385817A patent/CN101536929B/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101828966B (en) * | 2010-04-28 | 2012-02-01 | 郑明辉 | Positioning device of percutaneous lumbar intervertebral disc operation path |
| CN101828966A (en) * | 2010-04-28 | 2010-09-15 | 郑明辉 | Positioning device of percutaneous lumbar intervertebral disc operation path and positioning method |
| CN101972165A (en) * | 2010-11-18 | 2011-02-16 | 王铁铸 | X-ray-film-based method for locating coordinates of pedicle screws |
| CN101972165B (en) * | 2010-11-18 | 2012-07-04 | 王铁铸 | X-ray-film-based method for locating coordinates of pedicle screws |
| WO2012140569A3 (en) * | 2011-04-08 | 2012-12-27 | Università Di Pisa | Drilling mask for implanting a transpedicular screw |
| CN102715947B (en) * | 2012-07-03 | 2015-12-09 | 张春霖 | The self-align navigating surgery robot arm of follow-up spine |
| CN102715947A (en) * | 2012-07-03 | 2012-10-10 | 张春霖 | Following type spine self-positioning navigation operation machine hand and positioning method thereof |
| CN106937883A (en) * | 2017-04-11 | 2017-07-11 | 福建医科大学附属协和医院 | Based on the percutaneous microchannel Cervical vertebra pedicle nail guiding locator of CT data three-dimensionals |
| CN106937883B (en) * | 2017-04-11 | 2023-07-25 | 福建医科大学附属协和医院 | CT data-based three-dimensional percutaneous micro-channel lower cervical pedicle screw guiding and positioning device |
| CN109549692A (en) * | 2019-01-21 | 2019-04-02 | 王昶 | A kind of spinal vertebral bilateral vertebral pedicle puncture navigator fix bone cement injector |
| CN109700521A (en) * | 2019-01-29 | 2019-05-03 | 苏州点合医疗科技有限公司 | One kind creating vertebral canal plastic operation device to wearing to decline |
| CN109700521B (en) * | 2019-01-29 | 2023-11-24 | 苏州点合医疗科技有限公司 | Opposite-penetrating minimally invasive vertebral canal forming device |
| CN114305641A (en) * | 2021-12-27 | 2022-04-12 | 慈溪市人民医院医疗健康集团(慈溪市人民医院) | Pedicle screw advances nail angle measuring subassembly |
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| CN101536929B (en) | 2011-05-11 |
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Effective date of registration: 20160614 Address after: Rui building Luo Sha Development Zone 527300 Guangdong province Yunfu city 7 floor, No. 702 Patentee after: Yunfu good care medical Polytron Technologies Inc. Address before: 510515, No. 1063, Sha Tai Road, Jing Jing District, Baiyun District, Guangdong, Guangzhou Patentee before: Zheng Minghui |
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Effective date of registration: 20170213 Address after: Guangdong province Dongguan City Gaobu town 523000 three Tang Lu Sun Science and Technology Park A Building 2 floor B District Patentee after: GUANGDONG HAOYIHU MEDICAL TECHNOLOGY CO.,LTD. Address before: Rui building Luo Sha Development Zone 527300 Guangdong province Yunfu city 7 floor, No. 702 Patentee before: Yunfu good care medical Polytron Technologies Inc. |
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