CN206303964U - Combined type backbone puts nail guide plate - Google Patents
Combined type backbone puts nail guide plate Download PDFInfo
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- CN206303964U CN206303964U CN201620837393.6U CN201620837393U CN206303964U CN 206303964 U CN206303964 U CN 206303964U CN 201620837393 U CN201620837393 U CN 201620837393U CN 206303964 U CN206303964 U CN 206303964U
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- pilot sleeve
- substrate
- screw
- guide plate
- combined type
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Abstract
Nail guide plate is put the utility model discloses a kind of combined type backbone, including substrate, substrate is provided with the laminating locating surface fitted for quadrate bone face after the spinous process and vertebral plate with backbone, substrate is provided with more than one group All-in-One guidance set, All-in-One guidance set includes the screw pilot sleeve being fixed on substrate and the guide pin pilot sleeve being sheathed in screw pilot sleeve, and the axis of screw pilot sleeve and the axis of guide pin pilot sleeve overlap.The utility model have simple structure, be easy to make, it is easy to operate, put that nail accuracy is high, can shorten operating time, reduce fluoroscopy during operation frequency and dose of radiation, and meet conventional the advantages of put nail flow.
Description
Technical field
The utility model is related to surgery assistor tool technical field, and in particular to a kind of combined type backbone puts nail guide plate.
Background technology
In Via Posterior Spinal Approach pedicle screw-rod internal fixation, be previously most frequently be naked eyes judge, it is free-hand put nail method,
The success of operation relies primarily on the clinical experience and subjective sensation of patient, occur the possibility of screw way position and anisotropy compared with
Greatly.With the development and the application in Orthopedic Clinical work of 3D printing technique, occur in that for Via Posterior Spinal Approach pedicle screw-rod
The auxiliary of internal fixation puts nail guide plate so that the accuracy for putting nail is greatly improved.However, percutaneously being led in the guide plate of application at present
Plate is due to skin and the movable property of hypodermis so that its accuracy is not good；The guide plate requirement of laminating bone surface will be tough on spine
Band, the stop of interspinal ligaments are all peeled off, then guide plate are inserted on spinous process, on the one hand, its wound is big, on the other hand, is inserted in spine
Not good, influence accuracy is attached after prominent.Additionally, the effect of guide plate is to set up screw way, the pedicle of vertebral arch screw during actually nail is entered
Nail can occur side movement in screw way, can also influence accuracy.Therefore, prior art need to be improved.
Utility model content
The technical problems to be solved in the utility model is to overcome the shortcomings of that prior art is present, there is provided a kind of simple structure,
Be easy to make, it is easy to operate, put that nail accuracy is high, operating time can be shortened, fluoroscopy during operation frequency and dose of radiation is reduced and accorded with
Close the conventional combined type backbone for putting nail flow and put nail guide plate.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of combined type backbone puts nail guide plate, including substrate, and the substrate is provided with for after the spinous process and vertebral plate with backbone
The laminating locating surface of quadrate bone face laminating, the substrate is provided with more than one group All-in-One guidance set, the All-in-One guiding group
Part includes the screw pilot sleeve being fixed on substrate and the guide pin pilot sleeve being sheathed in screw pilot sleeve, the spiral shell
The axis of the axis and guide pin pilot sleeve of following closely pilot sleeve overlaps.
Combinations of the above formula backbone puts nail guide plate, it is preferred that the screw pilot sleeve or screw pilot sleeve and base
Plate is provided with the lateral fluting removed along screw pilot sleeve radial direction for pedicle screw.
Combinations of the above formula backbone puts nail guide plate, it is preferred that the guide pin pilot sleeve is provided with and is laterally recessed at described
The slide unit being slidably matched on screw pilot sleeve axial direction.
Combinations of the above formula backbone puts nail guide plate, it is preferred that it is detachable that the outside of the screw pilot sleeve is arranged with one
Outer sleeve.
Combinations of the above formula backbone puts nail guide plate, it is preferred that be provided between the screw pilot sleeve and substrate one with
Upper reinforcement strut.
Combinations of the above formula backbone puts nail guide plate, it is preferred that treat operative region according to the laminating locating surface of the substrate
SCT data, using the curved surface of 3D printer printing shaping, the curved surface and backbone plan to implement the spinous process and vertebra of operation vertebra
Quadrate bone face is fitted completely after plate, and ensures that substrate can not be slided on spinous process, vertebral plate when pressurizeing fixed.
Combinations of the above formula backbone puts nail guide plate, it is preferred that the substrate is provided with two groups and is respectively used to from vertebra both sides
Put the All-in-One guidance set of nail.
Combinations of the above formula backbone puts nail guide plate, it is preferred that the substrate is provided with least one set of being used for from vertebra side
Put the All-in-One guidance set of nail.
Combinations of the above formula backbone puts nail guide plate, it is preferred that the substrate and/or screw pilot sleeve are provided with and supply kirschner
Pin is passed through and is fixed on epispinal auxiliary positioning hole so that combined type backbone is put into nail guide plate.
Compared with prior art, the utility model has the advantage of：The utility model combined type backbone puts nail guide plate to be made
Used time, baseplate-laminating is fixed on patient and positioned and fixed after quadrate bone face formation after the spinous process and vertebral plate of operation vertebra, using spiral shell
Lateral fluting on nail pilot sleeve and substrate is accurately positioned entry point, and the bone of entry point is broken with Kirschner wire or open circuit device
After cortex, guide pin pilot sleeve is set in screw pilot sleeve and is fixed using detatachable external sleeve ring, be directed to pilot pin
Pedicle of vertebral arch is pierced along guide pin pilot sleeve uniform pressurization, bone passage is set up, guide location pin is exited, then extract detatachable external sleeve
Ring, guide pin pilot sleeve, pierce pedicle screw the bone that pedicle of vertebral arch has built up and lead to along screw pilot sleeve uniform pressurization
In road, after pedicle screw inserts pedicle of vertebral arch certain depth, equivalent to screw cap close to after screw pilot sleeve upper limb, nail will be put
Guide plate is integrally removed, then pedicle screw is entirely within along the screw hole on pedicle of vertebral arch.Put using the combined type backbone
When putting nail, whole process does not need multiple bearing to nail guide plate, puts nail guide plate and only need to once fit and is positioned at spinous process and vertebral plate bone face,
Follow-up guide-localization pin puncture is completed using the guiding of guide pin pilot sleeve and screw pilot sleeve and put nail, can avoid
Screw orientation is subjected to displacement on the basis of guide location pin direction when guide location pin inserts pedicle screw again after extracting, energy
The accuracy for putting nail is enough greatly improved, and operating time can be shortened, improve procedure efficiency, reduce unnecessary fluoroscopy during operation.
The combined type backbone put nail guide plate simple structure, be easy to make, it is easy to operate.
Brief description of the drawings
Fig. 1 is that combined type backbone puts the structural representation that nail guide plate laminating is fixed on backbone surface.
Fig. 2 is the dimensional structure diagram that combined type backbone puts nail guide plate.
Fig. 3 is the decomposition texture schematic diagram that combined type backbone puts nail guide plate.
Fig. 4 is the dimensional structure diagram that screw pilot sleeve is connected on substrate.
Marginal data：
1st, substrate；2nd, screw pilot sleeve；21st, lateral fluting；3rd, guide pin pilot sleeve；31st, slide unit；4th, detatachable external sleeve
Ring；5th, strut is strengthened.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figures 1 to 4, the combined type backbone of the present embodiment puts nail guide plate, including substrate 1, substrate 1 be provided with for
The laminating locating surface of quadrate bone face laminating after the spinous process and vertebral plate of backbone, substrate 1 is provided with more than one group for setting up screw way and auxiliary
Helping the All-in-One guidance set for inserting pedicle screw, All-in-One guidance set includes screw pilot sleeve 2 and guide pin fairlead
Cylinder 3, the internal diameter of screw pilot sleeve 2 is identical with the external diameter of guide pin pilot sleeve 3 and the external diameter of pedicle screw, guide pin fairlead
The internal diameter of cylinder 3 is identical with the diameter of guide pin, and screw pilot sleeve 2 is fixed on substrate 1, and guide pin pilot sleeve 3 is sheathed on screw
In pilot sleeve 2, it can slide axially and be inserted in screw pilot sleeve 2 or taken out from screw pilot sleeve 2, and guide pin is oriented to
The axis that sleeve 3 is sheathed on the axis of screw pilot sleeve 2 and guide pin pilot sleeve 3 after screw pilot sleeve 2 overlaps.The combination
Formula backbone put nail guide plate when in use, make substrate 1 fit be fixed on patient's vertebra perform the operation spinous process and vertebral plate bone face formed calmly
Position and fixation, entry point is accurately positioned using the lateral fluting 21 on screw pilot sleeve 2 and substrate 1, and with Kirschner wire or
After open circuit device breaks the cortex of bone of entry point, guide pin pilot sleeve 3 is set in screw pilot sleeve 2 and using detachable outer
The collar 4 is fixed, and is directed to pilot pin and is pierced pedicle of vertebral arch along the uniform pressurization of guide pin pilot sleeve 3, sets up bone passage, exits guiding
Pilot pin, then detatachable external sleeve ring 4, guide pin pilot sleeve 3 are extracted, by pedicle screw along the uniform pressurization of screw pilot sleeve 2
Pierce in the bone passage that pedicle of vertebral arch has built up, after pedicle screw inserts pedicle of vertebral arch certain depth, connect equivalent to screw cap
After the nearly upper limb of screw pilot sleeve 2, nail guide plate will be put and integrally removed, then by pedicle screw along the screw hole whole on pedicle of vertebral arch
Insert.Using the combined type backbone put nail guide plate put nail when, whole process does not need multiple bearing, put nail guide plate only need one
Secondary laminating is positioned at spinous process and vertebral plate bone face, you can complete follow-up using the guiding of guide pin pilot sleeve 3 and screw pilot sleeve 2
Guide-localization pin puncture and put nail, guide location pin can be avoided to extract after when inserting pedicle screw again screw orientation in guiding
Pilot pin is subjected to displacement on the basis of direction, can greatly improve the accuracy for putting nail, and can shorten operating time, improves hand
Art efficiency, reduces unnecessary fluoroscopy during operation.The combined type backbone put nail guide plate simple structure, be easy to make, it is easy to operate.
Further, screw pilot sleeve 2 or screw pilot sleeve 2 and substrate 1 are provided with for pedicle screw along screw
The lateral fluting 21 that the radial direction of pilot sleeve 2 is removed, by setting the lateral fluting 21, is oriented in pedicle screw along screw
After sleeve 2 inserts pedicle of vertebral arch certain depth, nail guide plate will be put and integrally torn to side, pedicle screw can be made laterally to slot 21
Nail guide plate is put in abjection, realizes that pedicle screw is separated with nail guide plate is put, and now need to will only put nail guide plate and integrally remove, you can will
Pedicle screw is entirely within, without pedicle screw is taken out after insert again, operating procedure can not only be saved, enter
One step shortens operating time, and pedicle screw once to be inserted and put nail precision and firm after pedicle screw is inserted beneficial to improving
Property.
The screw pilot sleeve 2 of the present embodiment is connected to the edge inner side of substrate 1, therefore in screw pilot sleeve 2 and base
Slotted simultaneously on plate 1 and form lateral fluting 21,21 movements are separated with nail guide plate is put so that pedicle screw can laterally slot.
In other embodiments, if screw pilot sleeve 2 is connected to the edge of substrate 1, need to only open lateral on screw pilot sleeve 2
Fluting 21.
In the present embodiment, guide pin pilot sleeve 3 is provided with and is slided on the axial direction of screw pilot sleeve 2 with laterally fluting 21
The slide unit 31 of cooperation, when guide pin pilot sleeve 3 is inserted in screw pilot sleeve 2, slide unit 31 inserts lateral fluting 21 and will be laterally
Fluting 21 is filled up, and by slide unit 31 and the mutual restriction effect of lateral fluting 21, can be strengthened guide pin pilot sleeve 3 and be led in screw
To the positioning in sleeve 2, beneficial to the accuracy for improving guide-localization pin puncture with put nail.
Further, the outside of screw pilot sleeve 2 is arranged with a detatachable external sleeve ring 4, can prevent from putting nail guide plate and bone
When face is fitted, human muscular tissue promotes guide pin pilot sleeve 3 to deviate from screw pilot sleeve 2.
In the present embodiment, a reinforcement strut 5 is provided between screw pilot sleeve 2 and substrate 1, screw guiding can be strengthened
The steadiness that sleeve 2 is connected with substrate 1, it is ensured that screw pilot sleeve 2 is not rocked during use, additionally, strengthen strut 5 may be used also
Avoid putting the nail guide plate strength of materials not enough problem of the displacement that deforms.When substrate 1 is provided with two or more screw fairlead
During cylinder 2, can also between two adjacent screw pilot sleeves 2 connection reinforcement strut 5, can equally play enhancing connection steady
The effect of solidity.
The laminating locating surface of the present embodiment substrate 1 is to treat that the CT data of operative region are printed using 3D printer according to backbone
The curved surface of shaping, it is ensured that laminating locating surface treats that the spinous process of operative region and vertebral plate bone face are fitted completely with backbone, not by patient spine
The individuation differentia influence of prominent and lamina surface shape.
In the present embodiment, substrate 1 is provided with two groups of All-in-One guidance sets for being respectively used to from backbone both sides put nail.
In other embodiments, more than the one group All-in-One guidance set for from backbone side put nail can be also provided with substrate 1.
Namely put nail guide plate can be designed as bilateral simultaneously aid in put nail, be also designed to one side single centrum or multiple centrum simultaneously
Auxiliary puts nail.
In the present embodiment, substrate 1 and/or screw pilot sleeve 2 are provided with to be passed through for Kirschner wire and are put with by combined type backbone
Nail guide plate is fixed on epispinal auxiliary positioning hole, is inserted in vertebra through the auxiliary positioning hole using Kirschner wire, can make to put nail
Guide plate entirety secure fit is in bone face without being moved.
The preparation method that a kind of combinations thereof formula backbone puts nail guide plate, comprises the following steps：
（A）Treating operative site spinal segments carries out three-D CT scanning, obtains original CT data；
（B）Original CT data is processed using medical image processing software, reconstructs 1:The spinal three-dimensional mould of 1 size
Type；Above-mentioned medical image processing software is existing conventional software, for example, mimics.Spinal three-dimensional model is in the medical image
The operations such as 360 ° of rotations, tomography observation, virtualization and addition can be carried out on treatment software；
（C）Simulated on spinal three-dimensional model using medical image processing software and insert pedicle screw or lateral mass spiral shell
Nail, is fully located at when in lateral mass, pedicle of vertebral arch and centrum, mark entry point, screw orientation from all directions observation pedicle screw
And screw length and diameter；
（D）Design substrate 1, extracts the spinous process and lamina surface outline data for intending inserting pedicle screw or lateral mass screw
Information, carries out the laminating locating surface that surface fitting obtains substrate 1, and the laminating locating surface is fitted completely with corresponding bone surface；
（E）Entry point, screw orientation and the screw length and diameter information marked according to step C, design on substrate 1
Go out All-in-One guidance set, including band is laterally slotted 21 screw pilot sleeve 2, the guide pin pilot sleeve 3 with slide unit 31；Set again
Count out reinforcement strut 5 and auxiliary fixing hole；
（F）Substrate 1 and All-in-One guidance set are processed using 3D printing equipment.
Nail guide plate is put due to combined type backbone inversely to be weighed according to patient spine anatomic landmark using medical image processing software
Organizational system is made, and prints machine-shaping using 3D printing technique, accurately can quickly determine pedicle screw or lateral mass spiral shell
Nail entry point and screw way direction, and not by patient's spinous process and the individuation differentia influence of lamina surface shape, can guarantee that laminating is fixed
The accuracy of position, so that it is guaranteed that putting the accuracy of nail.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment.To those of ordinary skill in the art, the gained under the premise of the utility model technology design is not departed from
To modifications and variations also should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of combined type backbone puts nail guide plate, including substrate（1）, the substrate（1）It is provided with for the spinous process and vertebra with backbone
The laminating locating surface of quadrate bone face laminating after plate, it is characterised in that：The substrate（1）It is provided with more than one group All-in-One guiding group
Part, the All-in-One guidance set includes being fixed in substrate（1）On screw pilot sleeve（2）And it is sheathed on screw fairlead
Cylinder（2）In guide pin pilot sleeve（3）, the screw pilot sleeve（2）Axis and guide pin pilot sleeve（3）Axis weight
Close.
2. combined type backbone according to claim 1 puts nail guide plate, it is characterised in that：The screw pilot sleeve（2）Or
Person's screw pilot sleeve（2）And substrate（1）It is provided with for pedicle screw along screw pilot sleeve（2）It is lateral that radial direction is removed
Fluting（21）.
3. combined type backbone according to claim 2 puts nail guide plate, it is characterised in that：The guide pin pilot sleeve（3）If
Have and the lateral fluting（21）In screw pilot sleeve（2）The slide unit being slidably matched on axial direction（31）.
4. combined type backbone according to claim 3 puts nail guide plate, it is characterised in that：The screw pilot sleeve（2）'s
Outside is arranged with a detatachable external sleeve ring（4）.
5. combined type backbone according to claim 1 puts nail guide plate, it is characterised in that：The screw pilot sleeve（2）With
Substrate（1）Between be provided with more than one and strengthen strut（5）.
6. combined type backbone according to claim 1 puts nail guide plate, it is characterised in that：The substrate（1）Laminating positioning
The SCT data of operative region are treated according to face, using the curved surface of 3D printer printing shaping, the curved surface is planned to implement with backbone
Quadrate bone face is fitted completely after the spinous process and vertebral plate of operation vertebra, and ensures that substrate can not on spinous process, vertebral plate when pressurizeing fixed
Slide.
7. combined type backbone according to claim 1 puts nail guide plate, it is characterised in that：The substrate（1）It is provided with two groups
It is respectively used to from vertebra both sides put the All-in-One guidance set of nail.
8. combined type backbone according to claim 1 puts nail guide plate, it is characterised in that：The substrate（1）It is provided with least
One group of All-in-One guidance set for being used to from vertebra side put nail.
9. combined type backbone according to claim 1 puts nail guide plate, it is characterised in that：The substrate（1）And/or screw is led
To sleeve（2）It is provided with to be passed through for Kirschner wire and is fixed on epispinal auxiliary positioning hole so that combined type backbone is put into nail guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620837393.6U CN206303964U (en) | 2016-08-04 | 2016-08-04 | Combined type backbone puts nail guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620837393.6U CN206303964U (en) | 2016-08-04 | 2016-08-04 | Combined type backbone puts nail guide plate |
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| Publication Number | Publication Date |
|---|---|
| CN206303964U true CN206303964U (en) | 2017-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620837393.6U Active CN206303964U (en) | 2016-08-04 | 2016-08-04 | Combined type backbone puts nail guide plate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137373A (en) * | 2016-08-04 | 2016-11-23 | 湖南坤昇三维科技有限公司 | Combination type spinal column puts nail guide plate and preparation method thereof |
| CN109662773A (en) * | 2018-11-21 | 2019-04-23 | 自贡市第四人民医院(自贡市急救中心) | A kind of combined type individuation sacroiliac screw navigation template and production method |
| CN110251246A (en) * | 2019-07-19 | 2019-09-20 | 丁焕文 | A kind of scoliosis orthopedic Split Positioning device |
| CN112869863A (en) * | 2021-01-20 | 2021-06-01 | 李智多 | Vertebral lamina-spinous process type guide plate for assisting placement of lumbar cortical bone screw |
-
2016
- 2016-08-04 CN CN201620837393.6U patent/CN206303964U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137373A (en) * | 2016-08-04 | 2016-11-23 | 湖南坤昇三维科技有限公司 | Combination type spinal column puts nail guide plate and preparation method thereof |
| CN109662773A (en) * | 2018-11-21 | 2019-04-23 | 自贡市第四人民医院(自贡市急救中心) | A kind of combined type individuation sacroiliac screw navigation template and production method |
| CN110251246A (en) * | 2019-07-19 | 2019-09-20 | 丁焕文 | A kind of scoliosis orthopedic Split Positioning device |
| CN110251246B (en) * | 2019-07-19 | 2024-01-16 | 丁焕文 | Orthopedic split type locator of scoliosis |
| CN112869863A (en) * | 2021-01-20 | 2021-06-01 | 李智多 | Vertebral lamina-spinous process type guide plate for assisting placement of lumbar cortical bone screw |
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