CN208693415U - Pedicle screw and nail seat component applied to Minimally Invasive Surgery - Google Patents
Pedicle screw and nail seat component applied to Minimally Invasive Surgery Download PDFInfo
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- CN208693415U CN208693415U CN201820439295.6U CN201820439295U CN208693415U CN 208693415 U CN208693415 U CN 208693415U CN 201820439295 U CN201820439295 U CN 201820439295U CN 208693415 U CN208693415 U CN 208693415U
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- nail seat
- extension sheet
- grafting body
- extension
- grafting
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- 238000002324 minimally invasive surgery Methods 0.000 title claims abstract description 11
- 125000006850 spacer group Chemical group 0.000 claims abstract description 4
- 239000011324 bead Substances 0.000 claims description 22
- 230000014759 maintenance of location Effects 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 17
- 238000009434 installation Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 description 11
- 238000001356 surgical procedure Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012977 invasive surgical procedure Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a kind of pedicle screw applied to Minimally Invasive Surgery and nail seat components, the nail seat component includes nail seat, nail seat includes tail cap ontology and the connector for connecting with rivet nut, tail cap ontology includes the internal thread structure on two leading arms and the interior inner wall for being set to two leading arms that interval is fixedly arranged on connector, the sidewall spacers of two leading arms are arranged to form guide groove, leading arm includes cramping body and grafting body, cramping body is fixedly arranged on connector, and snap slot is equipped between cramping body and grafting body, the in-out end of grafting body is equipped with introduction part;And extension sheet, extension sheet are equipped with card slot, card slot is imported in grafting body by introduction part and is fixed togather with grafting body, is fixedly arranged on extension sheet on leading arm.The nail seat component can be improved the installation convenience of extension sheet and nail seat;When the pedicle screw is applied to Minimally Invasive Surgery, nail seat can be first fixed on backbone predeterminated position by doctor, then extension sheet and nail seat are fixed, and improve procedure efficiency.
Description
Technical field
The utility model relates to the field of medical instrument technology, more particularly to a kind of pedicle of vertebral arch screw applied to Minimally Invasive Surgery
Nail and nail seat component.
Background technique
The open surgery of traditional spinal treatments is set the operations such as stick, pressure bar and is directly carried out in opening, therefore, needs
Big notch is wanted, and big notch will cause permanent injury to some soft tissues of human body, while will lead to post-operative recovery time
It is longer.
The shortcomings that for traditional open surgery, produce mini-invasive incision operative treatment, the therapy mainly by means of
The extension sheet of pedicle screw tail portion, using the extension sheet, can in small notch, a part of extension sheet be located at skin it
Outside, a part be located at skin within so that pressure bar, set clubs work can be carried out under the guiding role of extension sheet, without opening up
Big notch.But when carrying out Minimally Invasive Surgery, general extension sheet need to install traditional pedicle screw with extension sheet with nail seat
Be fixed on backbone together afterwards, by the interference of extension sheet, cause this pedicle screw to fix and position more difficult, it is time-consuming compared with
It is long and higher to surgical operation skill requirement.
Summary of the invention
Based on this, it is necessary to provide a kind of pedicle screw applied to Minimally Invasive Surgery and nail seat component, the nail seat component
It can be improved the installation convenience of extension sheet and nail seat;When the pedicle screw is applied to Minimally Invasive Surgery, doctor can be first by nail
Seat is fixed on backbone predeterminated position, then extension sheet and nail seat are fixed, and improves procedure efficiency.
Its technical solution is as follows:
On the one hand, the application provides a kind of nail seat component of pedicle screw, including nail seat, and the nail seat includes tail cap sheet
Body and connector for connecting with rivet nut, the tail cap ontology include two guiding that interval is fixedly arranged on the connector
Internal thread structure on arm and the interior inner wall for being set to two leading arms, the sidewall spacers setting of two leading arms
Guide groove is formed, the leading arm includes the cramping body being arranged along its length and grafting body, and the cramping body is fixedly arranged on described
On connector, and snap slot is equipped between the cramping body and the grafting body, the in-out end of the grafting body is equipped with introduction part;
And extension sheet, the extension sheet are equipped with card slot, the card slot is imported in the grafting body by the introduction part and is inserted with described
Junctor is fixed togather, and is fixedly arranged on the extension sheet on the leading arm.
Above-mentioned nail seat component, by the way that introduction part is arranged on grafting body, allow extension sheet card slot fast and accurately
It is inserted on grafting body, and is fixed with grafting body, and then extension sheet is fixed on leading arm;Specifically, implementing backbone
In minimal invasive surgical procedures, nail seat can be first set to the predeterminated position of backbone by rivet nut, this process is not because have extension sheet
Interference, installation operating process is relatively convenient, and without using Special Tool, after completing nail seat installation, due on grafting body
Provided with introduction part, and then during installing extension sheet, operator can easily be directed at position and extension sheet is rapidly completed
With the installation of nail seat, then i.e. implementable subsequent procedures process, such as sets stick, pressure bar;After completing related surgical step, need to only it pass through
Snap slot separates cramping body with grafting body, and grafting body and extension sheet are taken out, can be taken extension sheet from grafting body at this time
Out, allow the extension sheet repeat using.
Technical solution is illustrated further below:
In a wherein embodiment, the outer wall of the grafting body is equipped with limiting groove, the card slot of the extension sheet
Side wall is equipped with resilient projection, and institute's resilient projection is clasped with the limiting groove.And then pass through retention bead and limiting groove
Be clasped, so that grafting body is fixed together with extension sheet, due to by be provided with resilient projection, and then carry out grafting body
When separating with extension sheet, the certain separating force elastic bumps that need to only apply are detached due to deformation occurs from limiting groove
Come, realizes the separation of grafting body and extension sheet.
In a wherein embodiment, the side wall of the card slot of the grafting body is equipped with elastic piece, and the elastic piece is equipped with
The retention bead being clasped with the limiting groove, the retention bead match that form the elasticity convex with the elastic piece
Portion.Using on elastic piece be arranged limit convex get up to form resilient projection, convenient for carry out grafting body separated with extension sheet when,
Elastic piece need to be made to deform, retention bead can be made to separate with limiting groove, operate it is more convenient (especially when grafting body with
When cramping body is broken off).
In a wherein embodiment, the outer wall of the grafting body is additionally provided with the guide groove for importing retention bead,
The guide groove is set between the in-out end and the limiting groove of the grafting body, and the depth and opening of the guide groove
Diameter is gradually reduced from the direction of in-out end to the limiting groove of the grafting body.And then by the way that guide groove is arranged,
Convenient for cooperating in guidance retention bead and limiting groove, retention bead is avoided directly radially to bump against with grafting body end portion and cause to limit
Position protrusion is prone to wear out, and does not utilize the reuse of extension sheet.
In a wherein embodiment, the two sidewalls of the grafting body are equipped with limit body, and the two sides of the card slot are equal
Equipped with the limiting slot with limit body limit cooperation.And then pass through the cooperation of limit body and limiting slot, further make grafting body
It is reliable with extension sheet installation, it will not shift easily and the spacing between two extension sheets is made to become larger, lead to leading for extension sheet
It is reduced to precision.
In a wherein embodiment, the rounded structure of the introduction part or chamfering structure and it is set to the grafting
Two end sides of body.
In a wherein embodiment, the fixing end of the grafting body is stupefied equipped with the limit convex for outwardly protruding setting, institute
It is stupefied for limiting and supporting the extension sheet to state limit convex.
In a wherein embodiment, the extension sheet is two and is fixedly arranged on the leading arm respectively, makes two
Diameter between the outer wall of the card slot of the extension sheet is less than or equal to 12mm.So that the diameter of nail seat component is sufficiently small, in turn
Incision size can be further decreased, realizes minimally invasive spine surgical treatment truly.
In a wherein embodiment, the extension sheet includes arcuate guide body, arc connector and is set to described
Extension body between arcuate guide body and the arc connector, the arc connector are equipped with the card slot, the extension body
The spacing between the extension body of structure and two extension sheets is greater than or equal to default spacing in the form of sheets.So that the extension sheet
Both ends it is rigidly good, intermediate rigidity is slightly smaller, and in the case where keeping guiding role, the convenience of stick surgical procedure is worn in raising, and
It can be performed the operation with five sacrum interference problem of waist, the minimal invasion suitable for miniature incision.
On the other hand, present invention also provides a kind of pedicle screws applied to Minimally Invasive Surgery, including above-mentioned nail seat
Component further includes rivet nut, and the rivet nut is fixedly connected or is rotatably connected with nail seat by the connector.
When the pedicle screw is applied to minimally invasive spine surgical, nail seat first can be set to the default of backbone by rivet nut
Position, for this process because of the not interference of extension sheet, installation operating process is relatively convenient, and without using Special Tool, completes
After nail seat installation, due to being provided with introduction part on grafting body, and then during installing extension sheet, operator can be light
Alignment position the installation of extension sheet and nail seat is rapidly completed, then i.e. implementable subsequent procedures process, such as sets stick, pressure bar;It is complete
After related surgical step, only cramping body need to be made to separate with grafting body by snap slot, grafting body and extension sheet are taken out, this
When extension sheet can be taken out from grafting body, allow the extension sheet repeat using.
Detailed description of the invention
Fig. 1 is the assembling schematic diagram of the nail seat component in an embodiment;
Fig. 2 is half assembling schematic diagram of nail seat component shown in FIG. 1;
Fig. 3 is the perspective view of the explosion of nail seat component shown in FIG. 1;
Fig. 4 is the half-sectional schematic cross-sectional view in part of nail seat component shown in FIG. 1;
Fig. 5 is the structural schematic diagram of nail seat shown in FIG. 1;
Fig. 6 is the elevational schematic view of extension sheet shown in FIG. 1.
Description of symbols:
100, nail seat, 110, tail cap ontology, 10, leading arm, 20, internal thread structure, 30, guide groove, 112, cramping body,
114, grafting body, 101, introduction part, 102, limiting groove, 103, guide groove, 104, limit body, 105, limit convex it is stupefied, 116, folding
Fault trough, 120, connector, 200, extension sheet, 210, card slot, 220, elastic piece, 230, retention bead, 240, arcuate guide body,
250, arc connector, 260, extension body.
Specific embodiment
It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the protection scope of the utility model is not limited.
It should be noted that it can be directly another when element is referred to as " being fixedly arranged on ", " being set to " another element
On a element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it be can be
It is directly connected to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "left", "right" and similar statement for illustrative purposes only, be not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
" first ", " second " involved in the utility model do not represent specific quantity and sequence, are only used for title
Differentiation.
As shown in Figure 1, Figure 2 and shown in Fig. 4, in the present embodiment, 100 component of nail seat of the pedicle screw, including nail seat 100,
Nail seat 100 includes tail cap ontology 110 and the connector 120 for connecting with rivet nut, and tail cap ontology 110 includes the interval company of being fixedly arranged on
The internal thread structure 20 on two leading arms 10 and the interior inner wall for being set to two leading arms 10 on junctor 120, two guiding
The sidewall spacers of arm 10 are arranged to form guide groove 30, and leading arm 10 includes the cramping body 112 and grafting body being arranged along its length
114, cramping body 112 is fixedly arranged on connector 120, and snap slot 116, grafting body are equipped between cramping body 112 and grafting body 114
114 in-out end is equipped with introduction part 101;And extension sheet 200, extension sheet 200 are equipped with card slot 210, card slot 210 passes through introduction part
It is fixed togather in 101 importing grafting bodies 114 and with grafting body 114, is fixedly arranged on extension sheet 200 on leading arm 10.
Above-mentioned 100 component of nail seat, by the way that introduction part 101 is arranged on grafting body 114, so that the card slot 210 of extension sheet 200
It can fast and accurately be inserted on grafting body 114, and be fixed with grafting body 114, and then extension sheet 200 is fixed on guiding
On arm 10;Specifically, as shown in Figures 1 to 4, during implementing minimally invasive spine surgical, nail seat 100 first can be passed through into rivet nut
It is set to the predeterminated position of backbone, this process is because of the interference without extension sheet 200, and installation operating process is relatively convenient, and nothing
Special Tool need to be used, after completing the installation of nail seat 100, due to being provided with introduction part 101 on grafting body 114, and then is being installed
During extension sheet 200, operator can easily be directed at the installation that extension sheet 200 Yu nail seat 100 is rapidly completed in position, so
It is afterwards implementable subsequent procedures process, such as carries out setting stick using guide groove 30, carries out pressure bar and locking using internal thread structure 20;It is complete
After related surgical step, only cramping body 112 need to be made to separate with grafting body 114 by snap slot 116, by grafting body 114 with prolong
Lengthy motion picture 200 takes out, and can take out extension sheet 200 from grafting body 114 at this time, which is repeated
It uses.
The outer wall of grafting body 114 is equipped with limiting groove 102, and the side wall of the card slot 210 of extension sheet 200 is equipped with resilient projection
(not shown), institute's resilient projection are clasped with limiting groove 102;And then pass through the card of retention bead 230 and limiting groove 102
Snap fit close, so that grafting body 114 is fixed together with extension sheet 200, due to by be provided with resilient projection, and then progress grafting
When body 114 is separated with extension sheet 200, the certain separating force elastic bumps that need to only apply are due to deformation occurs from limiting groove
102 detach, and realize the separation of grafting body 114 and extension sheet 200.
Specific in the present embodiment, as shown in Figures 4 to 6, the side wall of the card slot 210 of grafting body 114 is equipped with elastic piece
220, elastic piece 220 is equipped with the retention bead 230 being clasped with limiting groove 102, retention bead 230 and 220 phase of elastic piece
Cooperatively form resilient projection;Form resilient projection using retention bead 230 is arranged on elastic piece 220, convenient for carry out it is slotting
When junctor 114 is separated with extension sheet 200, only elastic piece 220 need to be made to deform, retention bead 230 and limiting groove can be made
102 separation operate more convenient (especially when grafting body 114 and cramping body 112 are broken off).
It of courses, in other embodiments, which can be realized by flexible protrusion, such as rubber bumps
Deng, can also setting reset spring or elastic slice by way of come realize protrusion elastic reset.
In addition, leading as shown in fig. 6, the outer wall of grafting body 114 is additionally provided with the guide groove 103 for importing retention bead 230
It is set between the in-out end of grafting body 114 and limiting groove 102 to slot 103, and the depth of guide groove 103 and opening diameter are big
The direction of the small in-out end from grafting body 114 to limiting groove 102 is gradually reduced;And then by setting guide groove 103, it is convenient for
Guide retention bead 230 and limiting groove 102 to cooperate, avoid retention bead 230 directly radially bump against with 114 end of grafting body and
Cause retention bead 230 to be prone to wear out, does not utilize the reuse of extension sheet 200.Further, the retention bead 230 is removable
It unloads and is set on elastic piece 220, and then the service life of extension sheet 200 can be extended by replacement retention bead 230.
Based on any of the above embodiments, as shown in Figures 5 and 6, the two sidewalls of grafting body 114 are equipped with limit body
104, the two sides of card slot 210 are equipped with the limiting slot with the limit cooperation of limit body 104;And then pass through limit body 104 and limiting slot
Cooperation, further make grafting body 114 and extension sheet 200 installed reliably, will not shift easily and make two extension sheets 200
Between spacing become larger, cause the guiding accuracy of extension sheet 200 to reduce.
Based on any of the above embodiments, as shown in figure 5, the rounded structure of introduction part 101 or chamfering structure and setting
It is placed in two end sides of grafting body 114;And then it is realized using rounded structure and chamfering structure and forms introduction part on grafting body 114
101, convenient for accurately being docked with card slot 210.Further, the thickness of introduction part 101 is less than the diameter of card slot 210, easily facilitates
Grafting body 114 is inserted into card slot 210.
Based on any of the above embodiments, as shown in Figures 4 and 5, the fixing end of grafting body 114 is equipped with and outwardly protrudes
The limit convex of setting stupefied 105, limit convex stupefied 105 are realized grafting body 114 and are extended for limiting and supporting extension sheet 200
The abutting of 200 end of piece, which limits, to be fixed.
Based on any of the above embodiments, extension sheet 200 is two and is fixedly arranged on leading arm 10 respectively, makes two
Diameter between the outer wall of the card slot 210 of a extension sheet 200 is less than or equal to 12mm.So that the diameter of 100 component of nail seat is enough
It is small, and then incision size can be further decreased, realize minimally invasive spine surgical treatment truly.Specific to the present embodiment
In, the outer wall shape of the card slot 210 of extension sheet 200 and the shape of limit convex stupefied 105 are adapted with the shape of cramping body 112,
So that the junction of extension sheet 200 and grafting body 114 seamlessly transits, soft tissue is prevented plowing from.The card slot of two extension sheets 200
Diameter between 210 outer wall can be 12mm, 11mm, 10mm.
Further, as shown in Figure 1, extension sheet 200 includes arcuate guide body 240, arc connector 250 and is set to arc
Extension body 260 between shape guide way 240 and arc connector 250, arc connector 250 are equipped with card slot 210, extension body 260
The spacing between the extension body 260 of structure and two extension sheets 200 is greater than or equal to default spacing in the form of sheets.So that the extension
The both ends of piece 200 are rigidly good, and intermediate rigidity is slightly smaller, in the case where keeping guiding role, improve the convenience for wearing stick surgical procedure
Property, and can solve five sacrum interference problem of waist, the minimal invasion suitable for miniature incision is performed the operation.The default spacing can be according to vertebral arch
The size of root screw requires and wears stick requirement to be designed, such as 10mm~16mm;Specifically, which is that nail seat follows closely tail
Spacing, therefore, between the merging extension sheet which can be convenient, to conveniently set stick.
In another embodiment, a kind of pedicle screw applied to Minimally Invasive Surgery is also provided, including above-mentioned 100 groups of nail seat
Part, further includes rivet nut (not shown), and rivet nut is fixedly connected or is rotatably connected with nail seat 100 by connector 120.
When the pedicle screw is applied to minimally invasive spine surgical, nail seat 100 first can be set to backbone by rivet nut
Predeterminated position, for this process because of the interference without extension sheet 200, installation operating process is relatively convenient, and without using extraordinary work
Tool, after completing the installation of nail seat 100, due to being provided with introduction part 101 on grafting body 114, and then in the mistake of installation extension sheet 200
Cheng Zhong, operator can easily be directed at the installation that extension sheet 200 Yu nail seat 100 is rapidly completed in position, after then i.e. implementable
Continuous surgical procedure, such as sets stick, pressure bar;After completing related surgical step, only it need to make cramping body 112 and grafting by snap slot 116
Body 114 separates, and grafting body 114 and extension sheet 200 are taken out, can take out extension sheet 200 from grafting body 114, make at this time
The extension sheet 200 can repeat using.
It should be noted that fixation can be attached by integrally formed technology between the rivet nut and nail seat 100, it can also
It is fixed in a manner of through welding etc.;When the two requires can be rotated, any one existing rotatable vertebra can be used
The connection type of pedicle screw is attached.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of nail seat component of pedicle screw characterized by comprising
Nail seat, the nail seat include tail cap ontology and the connector for connecting with rivet nut, and the tail cap ontology includes that interval is solid
The internal thread structure on two leading arms and the interior inner wall for being set to two leading arms on the connector, two
The sidewall spacers of a leading arm are arranged to form guide groove, and the leading arm includes the cramping body being arranged along its length and inserts
Junctor, the cramping body are fixedly arranged on the connector, and snap slot is equipped between the cramping body and the grafting body, described
The in-out end of grafting body is equipped with introduction part;And
Extension sheet, the extension sheet are equipped with card slot, the card slot by the introduction part importing grafting body and with it is described
Grafting body is fixed togather, and is fixedly arranged on the extension sheet on the leading arm.
2. nail seat component according to claim 1, which is characterized in that the outer wall of the grafting body is equipped with limiting groove, institute
The side wall for stating the card slot of extension sheet is equipped with resilient projection, and institute's resilient projection is clasped with the limiting groove.
3. nail seat component according to claim 2, which is characterized in that the side wall of the card slot of the grafting body is equipped with elasticity
Piece, the elastic piece are equipped with the retention bead being clasped with the limiting groove, the retention bead and the elastic piece phase
Cooperatively form the resilient projection.
4. nail seat component according to claim 2 or 3, which is characterized in that the outer wall of the grafting body is additionally provided with for leading
Enter the guide groove of retention bead, the guide groove is set between the in-out end and the limiting groove of the grafting body, and institute
The depth and opening diameter size for stating guide groove are gradually reduced from the direction of in-out end to the limiting groove of the grafting body.
5. nail seat component according to claim 1, which is characterized in that the two sidewalls of the grafting body are equipped with limit body,
The two sides of the card slot are equipped with the limiting slot with limit body limit cooperation.
6. nail seat component according to claim 1, which is characterized in that the rounded structure of the introduction part or chamfering structure,
And it is set to two end sides of the grafting body.
7. nail seat component according to claim 1, which is characterized in that the fixing end of the grafting body is equipped with to outwardly protrude and set
The limit convex set is stupefied, and the limit convex is stupefied for limiting and supporting the extension sheet.
8. according to claim 1 to 3 and 5 to 7 described in any item nail seat components, which is characterized in that the extension sheet be two,
And be fixedly arranged on the leading arm respectively, it is less than or equal to the diameter between the outer wall of the card slot of two extension sheets
12mm。
9. nail seat component according to claim 8, which is characterized in that the extension sheet includes arcuate guide body, arc company
Junctor and the extension body being set between the arcuate guide body and the arc connector, the arc connector are equipped with described
Card slot, the extension body in the form of sheets the spacing between the extension body of structure and two extension sheets be greater than or equal to it is default between
Away from.
10. a kind of pedicle screw applied to Minimally Invasive Surgery, which is characterized in that including as described in any one of claim 1 to 9
Nail seat component, further include rivet nut, the rivet nut is fixedly connected or is rotatably connected with nail seat by the connector.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820439295.6U CN208693415U (en) | 2018-03-29 | 2018-03-29 | Pedicle screw and nail seat component applied to Minimally Invasive Surgery |
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Application Number | Priority Date | Filing Date | Title |
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CN201820439295.6U CN208693415U (en) | 2018-03-29 | 2018-03-29 | Pedicle screw and nail seat component applied to Minimally Invasive Surgery |
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Publication Number | Publication Date |
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CN208693415U true CN208693415U (en) | 2019-04-05 |
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ID=65911984
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110169815A (en) * | 2019-05-15 | 2019-08-27 | 迪恩医疗科技有限公司 | A kind of rigidity extension sheet and pedicle nail |
-
2018
- 2018-03-29 CN CN201820439295.6U patent/CN208693415U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110169815A (en) * | 2019-05-15 | 2019-08-27 | 迪恩医疗科技有限公司 | A kind of rigidity extension sheet and pedicle nail |
CN110169815B (en) * | 2019-05-15 | 2022-03-18 | 迪恩医疗科技有限公司 | Rigid extension sheet and pedicle screw |
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CB03 | Change of inventor or designer information |
Inventor after: Wu Chunhui Inventor after: Gao Yajun Inventor after: Cong Haichen Inventor before: Zhang Xuesong Inventor before: Wu Chunhui Inventor before: Gao Yajun Inventor before: Cong Haichen |
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CB03 | Change of inventor or designer information |