CN205924154U - Auxiliary pedicle of vertebral arch screw navigation template of skin external individuation wicresoft device of perspective - Google Patents
Auxiliary pedicle of vertebral arch screw navigation template of skin external individuation wicresoft device of perspective Download PDFInfo
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- CN205924154U CN205924154U CN201620666878.3U CN201620666878U CN205924154U CN 205924154 U CN205924154 U CN 205924154U CN 201620666878 U CN201620666878 U CN 201620666878U CN 205924154 U CN205924154 U CN 205924154U
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Abstract
The utility model belongs to the technical field of relate to medical instrument, especially, relate to an auxiliary pedicle of vertebral arch screw navigation template of skin external individuation wicresoft device of perspective, its characterized in that: the navigation template device is by N> = 2 monomer template is constituteed, and individuation guiding hole, spill of middle part bending type one -tenth that the monomer template has the auxiliary guide wicresoft pedicle of vertebral arch screw guide pin entering of perspective are used for the template to be fixed in skin external. The utility model provides a template is placed in external totally, and through supplementary its accuracy that improves of perspective, the template can be connected through the ke shi needle and be whole its stability that improves, also can be appropriate adjustment the on the sagittal position, be fit for the position of difference, the radiation that reduces medical staff and patient simultaneously exposes, and the bed is also less, has the better nature promoted.
Description
Technical field
The invention belongs to technical field of medical instruments, the outer minimally invasive pedicle of vertebral arch of individuation of skin of more particularly, to a kind of perspective auxiliary
Screw navigation template device.
Background technology
Thoracolumbar disk vertebral compression and bursting fracture are the common types of spinal fracture, through system fixing in posterior Pedicle
System is the first-selected measure processing such damage.Because conventional open is put, tack operation wound is larger, tissue dissection scope is relatively wide, operation
In can to surrounding tissue long-time tractive, and affect functional rehabilitation after operation in patients, so recently as vertebral column minimally invasive surgery
Development, percutaneous cervical arc root screw technique for fixing is increasingly subject to pay attention to, the determination in pedicle screw entry point and screw way direction in art
It is the key of this technology, but Thoracolumbar disk anatomical structure is more complicated and makes a variation big, in conventional percutaneous cervical arc root operation often
Underlying nail need to continuously be had an X-rayed, cause medical worker and patient radiation dose to increase, leukemia and skin carcinoma can be led to for a long time
Occur, though the pedicle of vertebral arch of free-hand limited touch puts nail method can reduce perspective, extend operating time, and be harder to meet same
Vertebral body bilateral Screw entrance point and the concordance in direction, affect reset effect.
In addition the outer individuation template of skin currently existing, is that the form outside with skin is template Individual design,
But skin soft tissue activity is big, and receptor site etc. affects, and do not allow to be fixed easily hence it is evident that affecting the accuracy positioning.
Content of the invention
In order to solve above-mentioned technical problem, the present invention provides the outer individuation minimally invasive pedicle screw navigation of the skin of perspective auxiliary
Plate device, makes percutaneous cervical arc root screw implantation in minimally invasive spine surgical accurately, reduce the radiation of patient and medical personnel simultaneously.
The outer minimally invasive pedicle screw of individuation of skin solving one of present invention of above technical problem perspective auxiliary is led
Model plane panel assembly it is characterised in that：Described navigation template device is by N>=3 monomer template composition, monomer template has
The individuation pilot hole that the minimally invasive pedicle screw guide pin of guiding of perspective auxiliary enters, middle part are bent to form a spill, and use
It is fixed on outside skin in template.
Described monomer template both sides are horizontal link structure, indicate and position；It is that navigation is fixing and connection is tied in the middle part of monomer template
Structure, monomer template both sides are connected by template inclined portion structure；
Described individuation pilot hole includes having an X-rayed lower sign spinous process location hole, perspective lower sign pedicle of vertebral arch projection centre positioning
Hole, perspective be lower indicate vertebral body upper limb Kirschner wire location hole and perspective auxiliary lower can suitable adjustment pedicle of vertebral arch hollow screw positioning needle
Pilot hole, indicates pedicle of vertebral arch projection centre location hole in order to indicate pedicle of vertebral arch projection centre positioning needle through perspective is lower under perspective,
In order to indicate vertebral body upper limb positioning needle through perspective is lower, perspective is lower to indicate spinous process to the lower vertebral body upper limb Kirschner wire location hole that indicates of perspective
Location hole is in order to indicate spinous process positioning needle through perspective is lower.
The location hole of the setting auxiliary perspective of this some holes in the present invention, middle supraspinous hole is fixing template action.
Indicate pedicle of vertebral arch projection centre location hole under described perspective and be 2, be symmetrically positioned in perspective lower sign spinous process navigation hole
Both sides, the lower vertebral body upper limb Kirschner wire location hole that indicates of perspective, for the insertion of horizontal both sides, is respectively arranged on left horizontal even sidepiece and right horizontal company
Sidepiece.
Described perspective is lower to indicate spinous process location hole bottom in the middle part of template, hole open at one end upside in the middle part of template
Face, one end downside in the middle part of template；The lower pedicle of vertebral arch projection centre location hole that indicates of perspective is located at template inclined portion structure, hole
Open at one end is located at template inclined portion upper side, other end downside in the middle part of template；Perspective is lower to indicate vertebral body upper limb Kirschner wire
, located at template inclined portion upper side and near top end, other end level is located at horizontal even end side surface for location hole open at one end；Perspective is auxiliary
Help down and the pedicle of vertebral arch hollow screw of suitably adjustment can position needle guide hole and be located at that navigation is fixing and attachment structure and the horizontal structure that links
Junction, with the inclined angle of individuation athwart template upper surface and template lower surface.
Described navigation is fixing and attachment structure bottom is provided with fixing spinous process location hole, passes perpendicularly through navigation and fixes and connect knot
Structure upper surface and navigation are fixed and attachment structure lower surface, fix in order to strengthen positioning, are not involved in Fluoroscopy location.
Described fixing spinous process location hole number 1-3.
Described perspective auxiliary lower can suitable adjustment pedicle of vertebral arch hollow screw positioning needle guide hole number>=2.
Described horizontal link structure upper surface is provided with instruction block.
Described loose pattern thickness of slab 14-16mm.
Described perspective is lower indicate spinous process location hole, perspective lower indicate pedicle of vertebral arch projection centre location hole, perspective is lower indicates vertebra
Body upper limb Kirschner wire location hole and perspective auxiliary is lower the pedicle of vertebral arch hollow screw of suitably adjustment can position the aperture of needle guide hole and be
2.1mm, fits in through 2mm diameter Kirschner wire.
In the present invention monomer template edge also can Passivation Treatment, to avoid weighing skin wounded.
Combine the individuation skin external mold panel assembly of perspective auxiliary in the present invention, by fluoroscopy during operation auxiliary positioning, solve
Template, with the problem of the mobile change of skin, in addition also increases the positioning needle being fixed on spinous process, prevents from moving.
Plate device in the present invention makes percutaneous accurately place and easily fix, and plate device is disposed entirely within outside skin,
Otch is not needed to place when in art, in addition design spinous process positioning needle strengthens locating effect.
Plate device in the present invention is fully seated in vitro, improves its accuracy by perspective auxiliary, template can be led to
Cross Kirschner wire and be connected as overall its stability of raising it is also possible to suitable being adjusted in sagittal plain, be suitable for different bodies
Position；Reduce the radiation exposure of medical worker and patient simultaneously, also less on bed, there is preferable replicability.
In the present invention, navigation template device is suitable for needing the single operation vertebral body of the puncture pedicle of vertebral arch root of individuation, such as
Pvp or pkp performs the operation, but is particularly suited for youngster, because youthful single vertebral fracture, needs fixation to close on sections, so
Need to fix 3 or more vertebral bodys.
Brief description
Fig. 1 is the combination schematic diagram of navigation template device and Kirschner wire in the present invention
Fig. 2-3 is the combination schematic diagram of navigation template device and Thoracolumbar disk bone in the present invention
Fig. 4-5 is the three-dimensional structure diagram of monomer template in the present invention
Wherein in figure be specifically identified as follows:1. have an X-rayed lower sign pedicle of vertebral arch projection centre location hole, 2. under perspective auxiliary
Can suitable adjustment pedicle of vertebral arch hollow screw positioning needle guide hole, 3. have an X-rayed lower indicate spinous process location hole, 4. have an X-rayed and lower indicate vertebra
Body upper limb Kirschner wire location hole, 5. fixing spinous process location hole, 6. indicate block, 7. horizontal link structure (left horizontal even 7-1, right horizontal even 7-2),
8. template edge, 9. has an X-rayed lower sign pedicle of vertebral arch projection centre positioning needle, indicates spinous process positioning needle, under 11. perspectives under 10. having an X-rayed
Indicate vertebral body upper limb positioning needle, 12. navigation are fixed and attachment structure, 13. template inclined portion structures (template inclined portion upper side 13-1),
Bottom (upper side 14-1, downside 14-2 in the middle part of template in the middle part of template), 15. template upper surfaces, 16. templates in the middle part of 14. templates
Lower surface, 17. Thoracolumbar disk bones, 18. enter nail pipe, 19. horizontal even end side surface
Specific embodiment
The present invention is further illustrated below to use specific embodiment：
Embodiment 1
The outer individuation minimally invasive pedicle screw navigation template device of skin of perspective auxiliary is made up of the monomer template of N=3, single
Body template has the individuation pilot hole of guiding minimally invasive pedicle screw guide pin entrance of perspective auxiliary, middle part is bent to form one
Spill, and be fixed on outside skin for template.Spill design meets vertebral body spinous process and pedicle screw not in uniform level face, is easy to
Fixing operation.
Monomer template both sides are horizontal link structure, indicate and position；It is that navigation is fixed and attachment structure in the middle part of monomer template, single
Body template both sides are connected by template inclined portion structure.Wherein, individuation pilot hole includes having an X-rayed lower sign spinous process location hole, thoroughly
Depending on lower sign pedicle of vertebral arch projection centre location hole, perspective lower sign can be suitable under vertebral body upper limb Kirschner wire location hole and perspective auxiliary
The pedicle of vertebral arch hollow screw positioning needle guide hole of adjustment, the lower pedicle of vertebral arch projection centre location hole that indicates of perspective is in order to through under perspective
Indicate pedicle of vertebral arch projection centre positioning needle, the lower vertebral body upper limb Kirschner wire location hole that indicates of perspective is in order to indicate vertebral body through perspective is lower
Upper limb positioning needle, the lower spinous process location hole that indicates of perspective is in order to indicate spinous process positioning needle through perspective is lower.This some holes in the present invention
The location hole of setting auxiliary perspective, middle supraspinous hole is fixing template action.
Perspective is lower to indicate spinous process location hole cooperation Fluoroscopy location, disposes Fluoroscopy location Kirschner wire.
Indicate pedicle of vertebral arch projection centre location hole under perspective and be 2, be symmetrically positioned in perspective lower sign spinous process navigation hole both sides,
The lower vertebral body upper limb Kirschner wire location hole that indicates of perspective, for the insertion of horizontal both sides, is respectively arranged on left horizontal even sidepiece and right horizontal even sidepiece.
Perspective lower sign spinous process location hole bottom in the middle part of template, hole open at one end upper side in the middle part of template, one
End downside in the middle part of template；The lower pedicle of vertebral arch projection centre location hole that indicates of perspective is located at template inclined portion structure, hole opening
One end is located at template inclined portion upper side, other end downside in the middle part of template；Perspective is lower to indicate vertebral body upper limb Kirschner wire positioning
, located at template inclined portion upper side and near top end, other end level is located at horizontal even end side surface for hole open at one end；Under perspective auxiliary
The pedicle of vertebral arch hollow screw of suitably adjustment can position needle guide hole and be located at that navigation is fixing and attachment structure and the horizontal connection linking structure
Place, with the inclined angle of individuation athwart template upper surface and template lower surface.
Navigation fixation and attachment structure bottom are provided with fixing spinous process location hole, passing perpendicularly through in navigation fixation and attachment structure
Surface and navigation are fixed and attachment structure lower surface, fix in order to strengthen positioning, are not involved in Fluoroscopy location.
Fixing spinous process navigation hole number 3, template thickness 14mm, perspective auxiliary lower can suitable adjustment pedicle of vertebral arch hollow screw
Positioning needle guide hole number 10, loose pattern thickness of slab 14mm or 16mm.Perspective auxiliary lower can suitably adjustment the hollow spiral shell of pedicle of vertebral arch
Nail positioning needle guide hole can also increase to more than 10, it is possible to reduce Fluoroscopy location number of times, can directly adjust in different ducts
Whole, operate in more convenient Rhizoma Atractylodis Macrocephalae.
Indicate spinous process location hole, perspective lower sign pedicle of vertebral arch projection centre location hole under having an X-rayed, have an X-rayed lower sign on vertebral body
Edge Kirschner wire location hole and perspective auxiliary lower can suitably adjustment pedicle of vertebral arch hollow screw position the aperture of needle guide hole for
2.1mm, fits in through 2mm diameter Kirschner wire.Spinous process table is shallow, in pedicle of vertebral arch low level.Can avoid shifting with Kirschner wire fixation.
Embodiment 2
The outer individuation minimally invasive pedicle screw navigation template device of skin of perspective auxiliary is made up of the monomer template of N=4, single
Body template has the individuation pilot hole of guiding minimally invasive pedicle screw guide pin entrance of perspective auxiliary, middle part is bent to form one
Spill, and be fixed on outside skin for template.
Monomer template both sides are horizontal link structure, indicate and position；It is that navigation is fixed and attachment structure in the middle part of monomer template, mould
Plate both sides are connected by template inclined portion structure.Wherein, individuation pilot hole includes having an X-rayed lower sign spinous process location hole, under perspective
Indicate pedicle of vertebral arch projection centre location hole, perspective lower sign can suitably adjust under vertebral body upper limb Kirschner wire location hole and perspective auxiliary
Pedicle of vertebral arch hollow screw positioning needle guide hole, the lower pedicle of vertebral arch projection centre location hole that indicates of perspective is in order to indicate through perspective is lower
Pedicle of vertebral arch projection centre positioning needle, the lower vertebral body upper limb Kirschner wire location hole that indicates of perspective is in order to indicate vertebral body upper limb through perspective is lower
Positioning needle, the lower spinous process location hole that indicates of perspective is in order to indicate spinous process positioning needle through perspective is lower.The setting of this some holes in the present invention
The location hole of auxiliary perspective, middle supraspinous hole is fixing template action.
Indicate pedicle of vertebral arch projection centre location hole under perspective and be 2, be symmetrically positioned in perspective lower sign spinous process navigation hole both sides,
The lower vertebral body upper limb Kirschner wire location hole that indicates of perspective, for the insertion of horizontal both sides, is respectively arranged on left horizontal even sidepiece and right horizontal even sidepiece.
Perspective lower sign spinous process location hole bottom in the middle part of template, hole open at one end upper side in the middle part of template, one
End downside in the middle part of template；The lower pedicle of vertebral arch projection centre location hole that indicates of perspective is located at template inclined portion structure, hole opening
One end is located at template inclined portion upper side, other end downside in the middle part of template；Perspective is lower to indicate vertebral body upper limb Kirschner wire positioning
, located at template inclined portion upper side and near top end, other end level is located at horizontal even end side surface for hole open at one end；Under perspective auxiliary
The pedicle of vertebral arch hollow screw of suitably adjustment can position needle guide hole and be located at that navigation is fixing and attachment structure and the horizontal connection linking structure
Place, with the inclined angle of individuation athwart template upper surface and template lower surface.
Navigation fixation and attachment structure bottom are provided with fixing spinous process location hole, passing perpendicularly through in navigation fixation and attachment structure
Surface and navigation are fixed and attachment structure lower surface, fix in order to strengthen positioning, are not involved in Fluoroscopy location.The horizontal surface that connects is provided with
Instruction block.
Fixing spinous process navigation hole number 3, loose pattern thickness of slab 15mm, perspective auxiliary lower can suitably adjustment pedicle of vertebral arch hollow
Screw positions needle guide hole number 5.
Indicate spinous process location hole, perspective lower sign pedicle of vertebral arch projection centre location hole under having an X-rayed, have an X-rayed lower sign on vertebral body
Edge Kirschner wire location hole and perspective auxiliary is lower the pedicle of vertebral arch hollow screw of suitably adjustment can position the aperture of needle guide hole and be
2.1mm, fits in through 2mm diameter Kirschner wire.Template edge also can Passivation Treatment, to avoid weighing skin wounded.
Beneficial effect in the present invention：
1. guide minimally invasive putting that operating time, the spoke of perspective number of times, minimizing medical worker and patient during nail, can be significantly reduced
Penetrate dosage, reduce intraoperative hemorrhage；
2. minimally invasive putting is guided to follow closely accuracy and the concordance significantly improving pedicle screw compared with traditional operation；Compared with optical navigation
Underlying nail is guided also to have more preferable concordance.
3. guiding is put to follow closely and is had application and promotional value in minimally invasive spine surgical it is easy to basic hospital is promoted.
In the present invention, the monomer method for preparing template of plate device is as follows：
(1) segmentation of threedimensional model and foundation
Pre-operative patients row 64 row CT (Siemens Company, Germany) scanning；The condition of scanning：Voltage 120kV, electric current 150mA, layer
Thick 0.625mm, matrix 512 512；The data of collection stores in dicom format；In Mimics14.11, (Materialise is public
Department, Belgium) import original Dicom formatted data in software.
Fixed-segment needed for being selected by " Crop project " instrument is reduced modeling scope and improves desin speed；
" Thresholding " instrument obtains original illiteracy of Thoracolumbar disk and covers；" Regiongrowing " instrument reduces and changes above-mentioned illiteracy cover (figure
4)；" Calcuate 3D " instrument on cover is covered with this and sets up threedimensional model.
(2) design of the minimally invasive guide pin of standard
In Mimics software " Medcad " menu, the cylinder of diameter 2.1mm is inserted in simulation, and this cylinder represents empty
Intend the minimally invasive pedicle screw guide pin inserted.Virtual guide pin be enough to lower condition in Mimics software fullness in the epigastrium and abdomen：①“Online
In guide pin entry point horizontal resection, standard anteroposterior position simulation X-ray film guide pin is located at pedicle of vertebral arch and projects outer ledge Reslice ", left
3 pieces of right side Screw entrance point is distributed on the same line；2. " Online Reslice " passes through pedicle of vertebral arch level completely in guide pin
Cutting, standard anteroposterior position simulation X-ray film guide pin is located at pedicle of vertebral arch and projects inside edge；3. observe in threedimensional model, sagittal plain spiral shell
Follow closely parallel into the upper soleplate of nail direction and vertebral body, same vertebral body pedicle screw entry point is with to enter to follow closely direction left and right sides symmetrical.
(3) the lower positioning needle of perspective auxiliary and the optional design simulating minimally invasive guide pin
The outer individuation template of skin is not with the formalness of skin for template construct, therefore needs auxiliary with reference to perspective
Help the position that just can determine that template in art, therefore we devise positioning needle three parallel to vertebral body upper limb, by spinous process and
The positioning needle at bilateral pedicle of vertebral arch center three, six roots of sensation Fluoroscopy location pin altogether, positioning needle diameter 2.1mm；We also allow for not
With position and skin thickness impact so devising some screw ways parallel to the minimally invasive guide pin of standard, screw way diameter 2.1mm, on
State screw way to preserve with stl file with positioning needle and vertebral body three bit model.
(3) design of template and printing
The design procedure of template is as follows：1. in Geomagic Studio 2013 software (Geomagic company, the U.S.)
It is simultaneously directed above-mentioned stl file；2. it is close to the template of skin by Geomagic Studio software design, template thickness 15mm,
Boundary-passivated avoid oppress skin；3. " drawing a circle " instrument is used to delete the inner core of virtual screw way 2.1mm, this inner core is minimally invasive vertebra
The navigation passage of pedicle screw guide pin；4. use " drawing a circle " instrument to delete the inner core of Fluoroscopy location pin 2.1mm, this inner core is simultaneously
Kirschner needle passageway for auxiliary template Fluoroscopy location in art；5. for ease of fixing outside the skin of template, the devising of our individuations
Puncture the Kirschner wire entering spinous process；6. template becomes an entirety by longitudinal Kirschner wire, so both can reduce its rolling
Dynamic raising accuracy, can also carry out a range of regulation in position chanP to minimally invasive guide pin simultaneously；7. in template surface
The name of upper design patient and sections labelling, are easy to difference in art.
Above-mentioned digital model is saved as the incoming 3D printer of STL formatted file (3D SYSTEMS company, the U.S.) enter
Row 3D is in kind to be printed, and printed material is resin material (3D SYSTEMS company, the U.S.).
Process in art for the navigation template device of the present invention：
In art interior fixation be long-armed single pedicle screw system (Beijing City Fule Technology Development Co., Ltd, in
State), after general anesthesia, patient takes the ventricumbent position of hanging abdominal part.Centered on hindering vertebra using C-arm X-ray machine, standard normotopia takes the photograph piece, confirms
Spinous process is located at the center of left and right sides pedicle of vertebral arch projection join line.Body surface marking hinders vertebra and the adjacent upper limb of pleurocentrum end to end, each vertebra
The line of body spinous process and the line of left and right sides pedicle of vertebral arch projection.3 pieces of diameter 2mm Kirschner wire is selected to respectively penetrate the horizontal stroke of above-mentioned each template
To Fluoroscopy location hole, then select 3 pieces to penetrate longitudinal Fluoroscopy location hole to be connected as each template one overall, standard normotopia is taken the photograph piece and confirmed thoroughly
(laterally perspective Kirschner wire is located at each vertebral body upper limb, longitudinal perspective Kirschner wire is located at respectively to reach Design requirement depending on Kirschner wire
Spinous process line and both sides pedicle of vertebral arch projection centre line), use shorter diameter 2mm Kirschner wire to be driven into spinous process and pasted with operation viscosity
Film is fixed.
By above-mentioned normotopia take the photograph piece on the basis of substantially suitable pilot hole is selected on plate device, percutaneous are driven into diameter successively
2mm Kirschner wire amounts to 6 pieces, and after reaching sclerotin, piece is taken the photograph in row positive side position, selects to close on pilot hole adjustment positioning kirschner according to X-ray film
Pin, until the Kirschner wire being driven into is adjusted to normotopia and reaches pedicle of vertebral arch projecting edge, side position (is set with preoperative with vertebral body, soleplate is parallel
Meter is identical), continue to be driven into Kirschner wire so as to when needlepoint side position reaches vertebral body rear wall, normotopia is located inside pedicle of vertebral arch projection, continues
It is driven into kernig sign to enter 1/3 before vertebral body.Put into expansion sleeve and protection sleeve step by step along positioning Kirschner wire successively, use hollow screw tap
Expand screw way along positioning Kirschner wire, select suitable diameter and the long-armed single pedicle screw of length to be screwed into vertebra along positioning Kirschner wire
Body, inserts 6 pieces altogether, and the screw length hindering vertebra selection is slightly shorter.Suitably adjust the angle of operation table, vertebra is hindered by Postural reduction.
Carry out pre-bending by the pitman of Wu's superfine method choice appropriate length, pitman is sequentially inserted into 3 pieces of long-armed singles by otch percutaneous
Nail bottom.Insert screw tail cap, suitable distraction reduction vertebral body is simultaneously locked, and fracture nail tail, art finishes.
Navigation template device in the present invention seem construction relative complex, but preparation the used time not long, disclosure satisfy that clinic
Operation requires, and has generalization.This group patient extracts data from being admitted to hospital and can complete in 12h to stencil marking.For not having
The basic hospital of 3D printer and stencil design ability also can pass through interconnection path, uploads initial data, outsourcing design template and
3D is in kind to be printed, and is then sent to by logistics express delivery.Becoming increasingly popular with 3D printing, the printing cost of current template is not
Height, affects less on the financial burden of patient, and application template can provide more technical guarantees for operative doctor on the contrary, gradually
Improve its technology, reduce complication for patients, so that patient is benefited.
Effect example 1
Patient male, 35 years old, is chief complaint and is sought medical advice with " flank pain activity difficulty 3+ hour ".Before 3+ hour, patient Yin Che
Misfortune wound causes flank pain activity difficulty to be admitted to hospital.Clear-headed after wound, no vomiting and chest and abdomen pain, do not do double lower limb numbness powerless.Training is examined
Look into：Spinal column, in breast waist section kyphosis deformity, kowtows tenderness substantially, waist activity is substantially limited.DR and CT that be admitted to hospital points out：Waist 2 vertebral body is quick-fried
Fragility is fractured.AD：Waist 2 vertebral body bursting fracture.
Improve correlation Preoperative Method after being admitted to hospital, no definitely after operation taboo, plan to implement the minimally invasive pedicle screw fixation of the way of escape.
In the preoperative importing Mimics software by patient's original CT data, make this patent introduction " has an X-rayed individuation outside the skin of auxiliary micro-
Wound pedicle screw navigation template " simultaneously prints material object by 3D printer.This plate device, Fluoroscopy location rear mold is applied in art
Panel assembly can be fixed on outside skin well, no moves；Pass through in art plate device " perspective auxiliary lower can suitable adjustment vertebral arch
Root hollow screw positions needle guide hole ", can safety insert hollow screw positioning needle, and smoothly insert hollow Pediculus arcus vertebrae screw
Fixing pathological changes vertebral body.Operating time, compared with 2 hours positioning under conventional mammogram, 2.5 under optical navigation hour, shorten to 1 hour
Left and right.Perspective number of times and intraoperative hemorrhage also significantly reduce compared with aforesaid way.Postoperative CT examination, pedicle of vertebral arch cortex do not broken through by screw,
The success of all screw disposable punctures, sagittal plane screw placement angle, screw sagittal plane angle are poor, Screw entrance point difference in height, spiral shell
Nail leaning angle difference etc. is " excellent ".Postoperative 1 year check screw non-loosening, union of fracture is good, and patient does not tell special discomfort.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. perspective auxiliary the outer individuation minimally invasive pedicle screw navigation template device of skin it is characterised in that：Described navigation template
Device is by N>=3 monomer template composition, monomer template has the guiding minimally invasive pedicle screw guide pin entrance of perspective auxiliary
Individuation pilot hole, middle part are bent to form a spill, and are fixed on outside skin for template.
2. the outer individuation minimally invasive pedicle screw navigation template device of skin of perspective auxiliary according to claim 1, it is special
Levy and be：Described monomer template both sides are horizontal link structure (7), indicate and position；It is that navigation is fixed and connected in the middle part of monomer template
Structure (12), monomer template both sides are connected by template inclined portion structure (13)；
Described individuation pilot hole includes having an X-rayed lower sign spinous process location hole (3), perspective lower sign pedicle of vertebral arch projection centre positioning
Hole (1), perspective be lower indicate under vertebral body upper limb Kirschner wire location hole (4) and perspective auxiliary can suitable adjustment pedicle of vertebral arch hollow screw
Positioning needle guide hole (2), lower pedicle of vertebral arch projection centre location hole (1) that indicates of perspective is in order to indicate pedicle of vertebral arch projection through perspective is lower
Center locating pin (9), perspective is lower to indicate vertebral body upper limb Kirschner wire location hole (4) in order to indicate vertebral body upper limb positioning through perspective is lower
Pin (11), the lower spinous process location hole (3) that indicates of perspective is in order to indicate spinous process positioning needle (10) through perspective is lower.
3. the outer individuation minimally invasive pedicle screw navigation template device of skin of perspective auxiliary according to claim 2, it is special
Levy and be：Described perspective lower sign pedicle of vertebral arch projection centre location hole (1) is 2, is symmetrically positioned in the lower spinous process that indicates of perspective and positions
Hole (3) both sides, perspective is lower to indicate vertebral body upper limb Kirschner wire location hole (4) for the insertion of horizontal both sides, is respectively arranged on left horizontal company (7-1)
Sidepiece and right horizontal company (7-2) sidepiece.
4. the outer individuation minimally invasive pedicle screw navigation template device of skin of the perspective auxiliary according to Claims 2 or 3, its
It is characterised by：Described perspective is lower to indicate spinous process location hole (3) bottom (14) in the middle part of template, and hole open at one end is in template
Portion's upper side (14-1), one end downside (14-2) in the middle part of template；Perspective is lower to indicate pedicle of vertebral arch projection centre location hole (1)
Positioned at template inclined portion structure (13) place, located at template inclined portion upper side (13-1), the other end is in the middle part of template for hole open at one end
Downside (14-2)；Perspective is lower to indicate vertebral body upper limb Kirschner wire location hole (4) open at one end located at template inclined portion upper side (13-
1) and near top end, other end level is located at horizontal even end side surface (19)；Perspective auxiliary lower can suitably adjustment pedicle of vertebral arch hollow
Screw positions needle guide hole (2) and is located at navigate fixing and attachment structure (12) and the horizontal junction linking structure (7), with individuation
Inclined angle athwart template upper surface (15) and template lower surface (16).
5. the outer individuation minimally invasive pedicle screw navigation template device of skin of the perspective auxiliary according to Claims 2 or 3, its
It is characterised by：Described navigation is fixing and attachment structure (12) bottom is provided with fixing spinous process location hole (5), passes perpendicularly through navigation and fixes
And attachment structure (12) upper surface and fixing and attachment structure (12) lower surface that navigates.
6. the outer individuation minimally invasive pedicle screw navigation template device of skin of perspective auxiliary according to claim 5, it is special
Levy and be：Described fixing spinous process location hole (5) number 1-3.
7. the outer individuation minimally invasive pedicle screw navigation template device of skin of the perspective auxiliary according to Claims 2 or 3, its
It is characterised by：Described perspective auxiliary lower can suitable adjustment pedicle of vertebral arch hollow screw positioning needle guide hole (2) number>=2.
8. the outer individuation minimally invasive pedicle screw navigation template device of skin of perspective auxiliary according to claim 2, it is special
Levy and be：Described horizontal link structure (7) upper surface is provided with instruction block (6).
9. the outer individuation minimally invasive pedicle screw navigation template device of skin of perspective auxiliary according to claim 1, it is special
Levy and be：Described loose pattern thickness of slab 14-16mm.
10. the outer individuation minimally invasive pedicle screw navigation template device of skin of perspective auxiliary according to claim 2, it is special
Levy and be：Pedicle of vertebral arch projection centre location hole (1), perspective subscript is indicated under described perspective lower sign spinous process location hole (3), perspective
Show vertebral body upper limb Kirschner wire location hole (4) and perspective auxiliary lower can suitable adjustment pedicle of vertebral arch hollow screw positioning needle guide hole
(2) aperture is 2.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620666878.3U CN205924154U (en) | 2016-06-29 | 2016-06-29 | Auxiliary pedicle of vertebral arch screw navigation template of skin external individuation wicresoft device of perspective |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620666878.3U CN205924154U (en) | 2016-06-29 | 2016-06-29 | Auxiliary pedicle of vertebral arch screw navigation template of skin external individuation wicresoft device of perspective |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106037921A (en) * | 2016-06-29 | 2016-10-26 | 自贡市第四人民医院 | Perspectivity-assisted skin-outer individual minimally-invasive pedicle screw navigation template device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037921A (en) * | 2016-06-29 | 2016-10-26 | 自贡市第四人民医院 | Perspectivity-assisted skin-outer individual minimally-invasive pedicle screw navigation template device |
| CN106037921B (en) * | 2016-06-29 | 2018-04-03 | 自贡市第四人民医院 | Have an X-rayed the minimally invasive pedicle screw navigation template device of the outer individuation of skin of auxiliary |
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