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CN202446242U - Vertebra pedical nail assembly - Google Patents

Vertebra pedical nail assembly Download PDF

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Publication number
CN202446242U
CN202446242U CN2012200568533U CN201220056853U CN202446242U CN 202446242 U CN202446242 U CN 202446242U CN 2012200568533 U CN2012200568533 U CN 2012200568533U CN 201220056853 U CN201220056853 U CN 201220056853U CN 202446242 U CN202446242 U CN 202446242U
Authority
CN
China
Prior art keywords
nail
fastening means
mounting groove
pedicle
adapter sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN2012200568533U
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Chinese (zh)
Inventor
邱勇
王文波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI TATENG MEDICAL DEVICE CO Ltd
Original Assignee
SHANGHAI TATENG MEDICAL DEVICE CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI TATENG MEDICAL DEVICE CO Ltd filed Critical SHANGHAI TATENG MEDICAL DEVICE CO Ltd
Priority to CN2012200568533U priority Critical patent/CN202446242U/en
Application granted granted Critical
Publication of CN202446242U publication Critical patent/CN202446242U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model discloses a vertebra pedical nail assembly relating to the field of medical equipment. The vertebra pedical nail assembly comprises a vertebra pedical nail and a tail connecting tool thereof, wherein the vertebra pedical nail comprises a nail body connected with a human body and a nail base connected with the nail body, the tail connecting tool is fixedly connected with the nail base, one of the nail base and the tail connecting tool is provided with a groove extending along the axial direction of the nail body, and the other one is provided with a bulge matched and connected with the groove. When the vertebra pedical nail is connected with the tail connecting tool, the groove can effectively guide the direction, thus the deviation between the tail connecting tool and the nail base can be effectively avoided, the connecting efficiency of the tail connecting tool and the nail base is increased, a stable connecting structure is formed, and the convenience and the rapidness are achieved. Meanwhile, the groove and the bulge have simple structure and are easy to process. In addition, the length of the tail connecting tool can be designed according to the demand of the surgery, thus the effect of prolonging the tail of the vertebra pedical nail is conveniently realized, and the surgery restoration is facilitated.

Description

The pedicle nail assembly
Technical field
This utility model relates to medical instruments field, particularly relates to a kind of pedicle nail assembly.
Background technology
The internal fixation of spine The Application of Technology has had the history of decades.It is generally acknowledged that internal fixation of spine truly starts from the 1950's; PaulHarrington is for correcting scoliosis and keep that orthopedic to have developed first kind of way of escape internal fixation system be Harrington system (Ha Shi rod), and reported the clinical practice result in 1962.In the seventies in 20th century, along with " segmental internal fixation of spine " theoretical generation, the once once fashionable whole world of Luque internal fixation system of going in ring; Thereafter C-D (Cotrel-Dubousset) internal fixation system has been born in the eighties in 20th century.Along with the development of spinal biomechanics research and material science, the internal fixation of spine technology has obtained huge advance made, to such an extent as in operative treatments such as spinal column degenerative disease, tumor of spine, the infection of wound spinal column, obtained extensive use.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of a kind of typical pedicle nail in the prior art; Fig. 2 is the structural representation of a kind of typical afterbody fastening means in the prior art.
At present, our modal pedicle nail assembly comprises nail seat 11, nail body 12 and afterbody fastening means 13, wherein, on the screw nail seat 11 oblong slots 111 is arranged, and oblong slots 111 is positioned on 11 two flat horizontal surfaces of nail seat.In the operation process; In order to be connected with nail body 12; Afterbody fastening means 13 uses a long sleeve pipe 131 of dehiscing and an overcoat 132 usually; Bearing of trend to nail body 12 pushes away overcoat 132, and the endoporus of overcoat 132 is dehiscing of compressible long sleeve pipe 131, and the boss 1311 of long sleeve pipe 131 is linked to each other with nail body 12 through oblong slots 111.
Receive the implant design limit, there are following problem in pedicle nail and afterbody fastening means 13 thereof in operation:
1, connect difficulty, afterbody fastening means 13 very difficult aligning with nail seat 11 are joined;
2, afterbody fastening means 13 complex structures need multilayer sleeve to operate;
3, afterbody fastening means 13 takes up room greatly, is unfavorable for that the doctor operates.
Therefore, how simplifying the structure of afterbody fastening means, reduce the connection difficulty of pedicle nail, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of pedicle nail assembly, and its pedicle nail and its afterbody fastening means are simple in structure, easy to connect, can effectively reduce the difficulty that is connected of pedicle nail and its afterbody fastening means.
For realizing above-mentioned utility model purpose; This utility model provides a kind of pedicle nail assembly; Comprise pedicle nail and afterbody fastening means thereof, said pedicle nail comprises nail body that is connected with human body and the nail seat that is connected with said nail body, and said afterbody fastening means is fixedly connected with said nail seat; Said nail seat has the axially extended groove along said nail body with said afterbody fastening means, and another person has the convexity that is connected with said groove fit.
Preferably, said nail seat circumferentially have flat horizontal surface and a periphery, said flat horizontal surface and said periphery are arranged alternately; Said nail seat is said flat horizontal surface with the mating surface of said afterbody fastening means.
Preferably, the outer wall of said nail seat also is provided with first mounting groove that radially extends, and the outlet of this first mounting groove is said periphery; Said afterbody fastening means comprises the elastic piece structure that adapter sleeve is inboard with being located at said adapter sleeve; The stiff end of this elastic piece structure is fixedly connected with said adapter sleeve; Free end is provided with boss, and said boss cooperates with said first mounting groove, and the inner surface of said adapter sleeve cooperates with said flat horizontal surface.
Preferably, the said boss axial flaring pyramidal structure upwards of serving as reasons down.
Preferably, said adapter sleeve has tubular-shaped structures, and the number of said flat horizontal surface and said periphery is two, and the number of said first mounting groove and said elastic piece structure also is two.
Preferably, said adapter sleeve has semi-circular structure, and the number of said first mounting groove and said elastic piece structure is one.
Preferably, said nail seat also has second mounting groove of being located at said flat horizontal surface, and this second mounting groove is parallel with the said first mounting groove bearing of trend.
The pedicle nail assembly that this utility model provided; Comprise pedicle nail and afterbody fastening means thereof; Said pedicle nail comprises nail body that is connected with human body and the nail seat that is connected with said nail body, and said afterbody fastening means is fixedly connected with said nail seat, and different with prior art is; Said nail seat has the axially extended groove along said nail body with said afterbody fastening means, and another person has the convexity that is connected with said groove fit.When pedicle nail is connected the work connection with afterbody; With relatively protruding, along axially being combined together of nail body, groove can effectively lead with groove; Can effectively avoid the deviation between afterbody fastening means and the nail seat; Improve afterbody fastening means and the joint efficiency of following closely seat, form stable syndeton, convenient and swift.Simultaneously, groove and convexity are all simple in structure, are easy to processing.In addition, the length of afterbody fastening means can be convenient to realize that the pedicle nail afterbody prolongs effect according to the design of operation needs, makes things convenient for operative reduction.
A kind of preferred embodiment in, said nail seat circumferentially have flat horizontal surface and a periphery, said flat horizontal surface and said periphery are arranged alternately; Said nail seat is said flat horizontal surface with the mating surface of said afterbody fastening means.When pedicle nail cooperated with the afterbody fastening means, the mating surface on the nail seat was a flat horizontal surface, and then the afterbody fastening means also is a flat horizontal surface, and then both joint faces can fit tightly, and guarantee to connect closely, increase both cooperation areas, improve both bonding strengths.
In another preferred embodiment, the outer wall of said nail seat also is provided with first mounting groove that radially extends, and the outlet of this first mounting groove is said periphery; Said afterbody fastening means comprises the elastic piece structure that adapter sleeve is inboard with being located at said adapter sleeve; The stiff end of this elastic piece structure is fixedly connected with said adapter sleeve; Free end is provided with boss, and said boss cooperates with said first mounting groove, and the inner surface of said adapter sleeve cooperates with said flat horizontal surface.The afterbody fastening means in the middle of the inner surface that elastic piece structure is positioned at adapter sleeve and the outer surface of nail seat, and moves with adapter sleeve when groove slides, under the elastic force effect of elastic piece structure, to the periphery of the nail seat suitable distance that squints.After adapter sleeve moves certain distance; The free-ended boss of shell fragment arrives the first mounting groove position, and under the bounce effect of elastic piece structure, boss snaps in first mounting groove; Locking adapter sleeve and the relative position of following closely seat make the afterbody fastening means effectively be fixedly connected with pedicle nail.This connected mode is simple to operation, and is high with joint efficiency, and Stability Analysis of Structures in case connect reliably after connecting completion, can effectively improve the reliability of pedicle nail assembly.
Description of drawings
Fig. 1 is the structural representation of a kind of typical pedicle nail in the prior art;
Fig. 2 is the structural representation of a kind of typical afterbody fastening means in the prior art;
Fig. 3 provides the perspective view of a kind of specific embodiment of pedicle nail assembly for this utility model;
Fig. 4 is the structural representation of first kind of specific embodiment of pedicle nail that this utility model provides;
Fig. 5 provides the schematic cross-section of first kind of specific embodiment of afterbody fastening means for this utility model;
Fig. 6 provides the schematic cross-section of second kind of specific embodiment of afterbody fastening means for this utility model;
Fig. 7 is the schematic cross-section that afterbody fastening means shown in Figure 6 is connected with the nail seat;
Fig. 8 provides the vertical view of a kind of specific embodiment of nail seat for this utility model;
Fig. 9 provides the structural representation of first kind of specific embodiment of afterbody fastening means for this utility model;
Figure 10 provides the structural representation of second kind of specific embodiment of afterbody fastening means for this utility model;
Figure 11 is the structural representation of second kind of specific embodiment of pedicle nail that this utility model provides;
Figure 12 is the perspective view of pedicle nail shown in Figure 11.
The specific embodiment
The core of this utility model provides a kind of pedicle nail assembly, and its pedicle nail and its afterbody fastening means are simple in structure, easy to connect, can effectively reduce the difficulty that is connected of pedicle nail and its afterbody fastening means.
The upper and lower noun of locality that waits that this paper is related is that the relative position when in running order is that benchmark defines with the pedicle nail assembly, and for down, the residing position of afterbody fastening means is last near the residing position of nail body of tissue; Simultaneously, the inside and outside noun of locality that waits that this paper is related is that the radial center with the nail body is that datum mark defines, near nail body center be in, away from nail body center be outside.The noun of locality that should be appreciated that among this paper to be adopted should not limit the protection domain of this patent.
In order to make those skilled in the art person understand this utility model scheme better, this utility model is done further to specify below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 3 and Fig. 4, Fig. 3 provides the perspective view of a kind of specific embodiment of pedicle nail assembly for this utility model; Fig. 4 is the structural representation of first kind of specific embodiment of pedicle nail that this utility model provides.
The pedicle nail assembly that this utility model provided; Comprise pedicle nail 2 and afterbody fastening means 3 thereof; Pedicle nail 2 comprises nail body 21 that is connected with tissue and the nail seat 22 that is connected with nail body 21, and afterbody fastening means 3 is fixedly connected with nail seat 22, and different with prior art is; Nail seat 22 has along the axially extended groove 4 of nail body 21 with afterbody fastening means 3 one, and another person has the convexity 5 that is connected with groove 4.Afterbody fastening means 3 has opening to individual following U type groove 34, and it is relative that nail seat 22 has last U type groove 23, two U type channel openings that opening makes progress, and can hold the Ha Shi rod and penetrate, and along the passage that two U type grooves form, and presses fit in the last U type groove 23 of nail 22.Simultaneously, the upper end of afterbody fastening means 3 has cavity 33, and other implant in the operation process and kit can get in the nail seat 22 along cavity 33.
Please refer to Fig. 5 to Fig. 7, Fig. 5 provides the schematic cross-section of first kind of specific embodiment of afterbody fastening means for this utility model; Fig. 6 provides the schematic cross-section of second kind of specific embodiment of afterbody fastening means for this utility model; Fig. 7 is the schematic cross-section that afterbody fastening means shown in Figure 6 is connected with the nail seat.
Afterbody fastening means 3 shown in Figure 5 is provided with groove 4; Afterbody fastening means 3 shown in Figure 6 is provided with protruding 5; Nail seat 22 shown in Figure 7 is provided with the groove 4 that cooperates with shown in Figure 6 protruding 5, and obviously, the nail seat 22 that cooperates with afterbody fastening means 3 shown in Figure 5 should have protruding 5.Above-mentioned two kinds of pedicle nail assemblies all can satisfy the requirement of this utility model, all should be within the protection domain of this utility model.
When pedicle nail 2 is connected the work connection with afterbody; Groove 4 is relative with protruding 5, and along axially being combined together of nail body 21, groove 4 can effectively lead; Can effectively avoid the deviation between afterbody fastening means 3 and the nail seat 22; Improve afterbody fastening means 3 and the joint efficiency of following closely seat 22, form stable syndeton, convenient and swift.
Simultaneously, groove 4 is all simple in structure with protruding 5, is easy to processing.In addition, the length of afterbody fastening means 3 can be convenient to realize that pedicle nail 2 afterbodys prolong effect according to the design of operation needs, makes things convenient for operative reduction.
Please refer to Fig. 8, Fig. 8 provides the vertical view of a kind of specific embodiment of nail seat for this utility model.
In a kind of concrete embodiment, nail seat 22 circumferentially have flat horizontal surface 221 and a periphery 222, flat horizontal surface 221 is arranged alternately with periphery 222; Nail seat 22 is a flat horizontal surface 221 with the mating surface of afterbody fastening means 3.When pedicle nail 2 cooperated with afterbody fastening means 3, the mating surface on the nail seat 22 was a flat horizontal surface 221, and then afterbody fastening means 3 also is a flat horizontal surface 221; Then both joint faces can fit tightly; Guarantee to connect closely, increase both cooperation areas, improve both bonding strengths.
Please refer to Fig. 9 and Figure 10, Fig. 9 provides the structural representation of first kind of specific embodiment of afterbody fastening means for this utility model; Figure 10 provides the structural representation of second kind of specific embodiment of afterbody fastening means for this utility model.
Further, the outer wall of nail seat 22 also is provided with first mounting groove 223 that radially extends, and the outlet of this first mounting groove 223 is a periphery 222; Afterbody fastening means 3 comprises adapter sleeve 31 and the elastic piece structure 32 of being located at adapter sleeve 31 inboards; The stiff end of this elastic piece structure 32 is fixedly connected with adapter sleeve 31; Free end is provided with boss 321, and boss 321 cooperates with first mounting groove 223, and the inner surface of adapter sleeve 31 cooperates with flat horizontal surface 221.When afterbody fastening means 3 slides along groove 4, in the middle of the inner surface that elastic piece structure 32 is positioned at adapter sleeve 31 and the outer surface of nail seat 22, and move, under the elastic force effect of elastic piece structure 32, to the periphery of the nail seat 22 suitable distance that squints with adapter sleeve 31.After adapter sleeve 31 moves certain distance; The free-ended boss 321 of shell fragment arrives first mounting groove, 223 positions; Under the bounce effect of elastic piece structure 32; Boss 321 snaps in first mounting groove 223, and locking adapter sleeve 31 and the relative position of following closely seat 22 make afterbody fastening means 3 effectively be fixedly connected with pedicle nail 2.This connected mode is simple to operation, and is high with joint efficiency, and Stability Analysis of Structures in case connect reliably after connecting completion, can effectively improve the reliability of pedicle nail assembly.
Concrete, the axial flaring pyramidal structure that above-mentioned boss 321 can be served as reasons down and made progress.When afterbody fastening means 3 is installed; Its lower end elder generation and the last end in contact of following closely seat 22; Be the lower end of elastic piece structure 32 and the last end in contact of nail seat 22 then, the lower end of boss 321 is littler than the upper end, wedges more easily between adapter sleeve 31 and the nail seat 22; Reduce adapter sleeve 31 and the difficulty that is connected of following closely seat 22, improve joint efficiency.
In first kind of concrete embodiment, the adapter sleeve 31 that this utility model provided is tubular-shaped structures, is enclosed within the periphery (as shown in Figure 9) of nail seat 22 as sleeve pipe.The periphery of this moment nail seat 22 be crisscross arranged two peripheries 222 and two flat horizontal surfaces 221; Be provided with one first mounting groove 223 on each periphery 222; It is corresponding one by one with two first mounting grooves 223 respectively that the inside of adapter sleeve 31 is provided with two elastic piece structures, 32, two elastic piece structures 32, snaps in one first mounting groove 223 after the boss 321 of each elastic piece structure 32 is installed; At the staple seat 22 and adapter sleeve 31 simultaneously of making progress in the week of mount pad, structure is more solid and reliable.
In second kind of concrete embodiment; Adapter sleeve 31 can be semi-circular structure (shown in figure 10); Be that adapter sleeve 31 cooperates with a periphery 222, its inboard elastic piece structure 32 cooperates with first mounting groove 223 on the nail seat 22, equally can fixed operating sleeve 31 and nail 22.
Obviously, the number of periphery 222 and flat horizontal surface 221 also can get final product along the circumferential uniform distribution of following closely seat 22 for a plurality of, and flat horizontal surface 221 all can be used as the mating surface of adapter sleeve 31 and nail seat 22, and convexity 5 and groove 4 are combined together; Periphery 222 all can be used as joint face, and the boss 321 and first mounting groove 223 of elastic piece structure 32 linked together.Concrete structure can be decided according to the installation needs.
In addition, first mounting groove 223 can be the circular groove that certain depth is arranged, and also can be through hole, if can with boss 321 matching and fixing, just can satisfy this utility model requirement, all should be in the protection domain of this utility model.
Can do to improve further to above-mentioned pedicle nail 2.
Please refer to Figure 11 and Figure 12, Figure 11 is the structural representation of second kind of specific embodiment of pedicle nail that this utility model provides; Figure 12 is the perspective view of pedicle nail shown in Figure 11.
A kind of preferred embodiment in, the nail seat 22 that this utility model provided can also be offered second mounting groove 224 on flat horizontal surface 221, and second mounting groove 224 is parallel with first mounting groove, 223 bearing of trends.Second mounting groove 224 can increase a fixed support point on flat horizontal surface 221; When pedicle nail 2 is connected with tissue; This fixed support point can utilize other setting tool to be mated; Be not limited to afterbody fastening means 3 when pedicle nail 2 is installed and fix, thus the suitability of increase pedicle nail 2.
And; In the 3 fixed whiles of afterbody fastening means; Can also increase a new secure mounting arrangements through second mounting groove 224; Utilize new secure mounting arrangements and afterbody fastening means 3 respectively from radial and axial fixing pedicle nail 2 simultaneously, thereby effectively increase the constant intensity of pedicle nail 2, improve the fixed efficiency and the reliability of pedicle nail 2.
More than the pedicle nail assembly that this utility model provided has been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of this utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of this utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from this utility model principle, can also carry out some improvement and modification to this utility model, these improvement and modification also fall in the protection domain of this utility model claim.

Claims (7)

1. pedicle nail assembly; Comprise pedicle nail and afterbody fastening means thereof; Said pedicle nail comprises nail body that is connected with human body and the nail seat that is connected with said nail body, and said afterbody fastening means is fixedly connected with said nail seat, it is characterized in that; Said nail seat has the axially extended groove along said nail body with said afterbody fastening means, and another person has the convexity that is connected with said groove fit.
2. pedicle nail assembly according to claim 1 is characterized in that, said nail seat circumferentially have flat horizontal surface and a periphery, said flat horizontal surface and said periphery are arranged alternately; Said nail seat is said flat horizontal surface with the mating surface of said afterbody fastening means.
3. pedicle nail assembly according to claim 2 is characterized in that, the outer wall of said nail seat also is provided with first mounting groove that radially extends, and the outlet of this first mounting groove is said periphery; Said afterbody fastening means comprises the elastic piece structure that adapter sleeve is inboard with being located at said adapter sleeve; The stiff end of this elastic piece structure is fixedly connected with said adapter sleeve; Free end is provided with boss, and said boss cooperates with said first mounting groove, and the inner surface of said adapter sleeve cooperates with said flat horizontal surface.
4. pedicle nail assembly according to claim 3 is characterized in that, the axial flaring pyramidal structure that said boss is served as reasons down and made progress.
5. pedicle nail assembly according to claim 4 is characterized in that said adapter sleeve has tubular-shaped structures, and the number of said flat horizontal surface and said periphery is two, and the number of said first mounting groove and said elastic piece structure also is two.
6. pedicle nail assembly according to claim 4 is characterized in that said adapter sleeve has semi-circular structure, and the number of said first mounting groove and said elastic piece structure is one.
7. according to each described pedicle nail assembly of claim 3 to 6, it is characterized in that said nail seat also has second mounting groove of being located at said flat horizontal surface, this second mounting groove is parallel with the said first mounting groove bearing of trend.
CN2012200568533U 2012-02-21 2012-02-21 Vertebra pedical nail assembly Withdrawn - After Issue CN202446242U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102525637A (en) * 2012-02-21 2012-07-04 上海拓腾医疗器械有限公司 Pedicle screw component
CN102920502A (en) * 2012-11-09 2013-02-13 上海三友医疗器械有限公司 Extension sheets of pedicle screw tail, expander, and tamper reset rod
CN105358080A (en) * 2013-05-13 2016-02-24 尼奥医疗公司 Orthopedic implant kit
US12127776B2 (en) 2019-07-02 2024-10-29 Neo Medical Sa Method, device, and system for preventing lateral stress on bone structures resulting from off-axis forces caused by screw driver and screw extender
US12414803B2 (en) 2019-03-26 2025-09-16 Neo Medical Sa System for tightening an orthopedic set screw at two different torque levels

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102525637A (en) * 2012-02-21 2012-07-04 上海拓腾医疗器械有限公司 Pedicle screw component
CN102525637B (en) * 2012-02-21 2014-11-12 上海三友医疗器械有限公司 Pedicle screw component
CN102920502A (en) * 2012-11-09 2013-02-13 上海三友医疗器械有限公司 Extension sheets of pedicle screw tail, expander, and tamper reset rod
CN105358080A (en) * 2013-05-13 2016-02-24 尼奥医疗公司 Orthopedic implant kit
US10058355B2 (en) 2013-05-13 2018-08-28 Neo Medical S.A. Orthopedic implant kit
EP2996591B1 (en) * 2013-05-13 2020-11-04 Neo Medical SA Orthopedic implant kit
US10888356B2 (en) 2013-05-13 2021-01-12 Neo Medical S.A. Orthopedic implant kit
US12396760B2 (en) 2013-05-13 2025-08-26 Neo Medical S.A. Orthopedic implant kit
US12414803B2 (en) 2019-03-26 2025-09-16 Neo Medical Sa System for tightening an orthopedic set screw at two different torque levels
US12127776B2 (en) 2019-07-02 2024-10-29 Neo Medical Sa Method, device, and system for preventing lateral stress on bone structures resulting from off-axis forces caused by screw driver and screw extender

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Shanghai Sanyou Medical Devices Co., Ltd.

Assignor: Shanghai Tateng Medical Device Co.,Ltd.

Contract record no.: 2013310000032

Denomination of utility model: Extension tube and connector, as well as extension tube component and pedicle screw assembly

Granted publication date: 20120926

License type: Exclusive License

Record date: 20130507

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20120926

Effective date of abandoning: 20141112

RGAV Abandon patent right to avoid regrant