CN209422074U - A kind of spinal column correction bar attachment device for capableing of flexible modulation installation site - Google Patents
A kind of spinal column correction bar attachment device for capableing of flexible modulation installation site Download PDFInfo
- Publication number
- CN209422074U CN209422074U CN201820572387.1U CN201820572387U CN209422074U CN 209422074 U CN209422074 U CN 209422074U CN 201820572387 U CN201820572387 U CN 201820572387U CN 209422074 U CN209422074 U CN 209422074U
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- China
- Prior art keywords
- connector sleeve
- installation site
- internal lock
- attachment device
- capableing
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Abstract
The utility model discloses a kind of spinal column correction bar attachment device for capableing of flexible modulation installation site, it is fixed including internal lock, outer connector sleeve and locking nut, the fixed axial setting pilot hole of the internal lock, the fixed one end setting of the internal lock clamps conehead, axially disposed elastic notch on the clamping conehead, the inner conical surface adaptability of the male cone (strobilus masculinus) for clamping conehead and outer connector sleeve cooperates, connecting hole is provided on the outer connector sleeve, the end face detent fit for moveing freely end and locking nut of the outer connector sleeve, the locking nut cooperates with the fixed outer surface thread of internal lock, bayonet is arranged in the fixed outer surface of the internal lock.The internal locking of the utility model, which covers upper pilot hole, to be slided up and down along Orthopedic rod; installation site and link position can freely be adjusted; can be attached by media such as connecting ropes between connecting hole can be flexibly connected Orthopedic rod; make the connection between Orthopedic rod that there is extendable room, protects the growth potential of backbone matrix.
Description
Technical field
The utility model belongs to technical field of medical equipment, is related to that a kind of structure is simple, easy to use can flexibly adjust
Save the spinal column correction bar attachment device of installation site.
Background technique
Human spine during the growth process, when centrum develop existing defects when, in fact it could happen that scoliosis, hunchback, backbone
The deformities such as preceding prominent, scheuermann kyphosis, the cubical content that scoliosis normally results in thoracic cavity, abdominal cavity and pelvis reduce, also
The growth that height may be limited, it is larger to the adverse effect of human body.Therefore, in medical domain, how effectively to child and blueness
Juvenile scoliosis carries out orthopedic being always the problem of those skilled in the art pay close attention to.Currently, the used therapeutic scheme of backbone correcting
Main process it is as follows: according to the vertebral column development situation of patient, carry out preoperative preparation；By performing the operation rod-shaped correction
Item is implanted into human body, and is fixed with backbone correction item with nail stick, usually fixes a correction item the two sides of backbone are each, to
Backbone is grown along the channeling direction of correction item, to play the role of correcting backbone, finally, suture operation is open.
Backbone correcting is to be connected two Orthopedic rods with hard metal bar at present, can make Orthopedic rod in this way and consolidate
Form a frame structure between fixed nail, be limit the flexibility and growth potential of backbone, meanwhile, existing spinal orthosis
Connector tend not to freely adjust link position, it is restricted relatively strong in surgical procedure, influence surgical effect, human body generated
Injury, influences backbone normal growth, therefore researches and develops a kind of spinal column correction bar attachment device tool for capableing of flexible modulation installation site
It is significant, flexible connection rope can be cooperated to be attached Orthopedic rod, make the connection between Orthopedic rod that there is extendable room,
Protect the growth potential of backbone matrix.
Summary of the invention
Flexible modulation installation site simple, easy to use of capableing of that the purpose of this utility model is to provide a kind of structures
Spinal column correction bar attachment device.
The purpose of this utility model is achieved in that connector sleeve fixed including internal lock, outer and locking nut, the internal lock
Fixed axial setting pilot hole, the fixed one end setting of the internal lock clamp conehead, axially disposed pine on the clamping conehead
The inner conical surface adaptability of tight notch, the male cone (strobilus masculinus) for clamping conehead and outer connector sleeve cooperates, and is provided on the outer connector sleeve
Connecting hole, the end face detent fit for moveing freely end and locking nut of the outer connector sleeve, the locking nut and internal lock
Bayonet is arranged in fixed outer surface thread cooperation, the fixed outer surface of the internal lock.
The internal locking of the utility model, which covers upper pilot hole, to be slided up and down along Orthopedic rod, and installation position can be freely adjusted
It sets and link position avoids the position for being not suitable for placing excessive volume instrument in human body while facilitating operation to carry out；Internal locking
The cooperation of set, outer connector sleeve and locking nut is ingenious, and locking operation is convenient, and securely, matrix material is small, reduces instrument pair for locking
The injury of human body can be attached by media such as connecting ropes and can be flexibly connected to Orthopedic rod between connecting hole, make to rectify
Connection between shape stick has extendable room, protects the growth potential of backbone matrix.The utility model structure is simple, and when operation makes
With conveniently, not only overall volume is small, can adjust link position, reduces the injury to human body.
Detailed description of the invention
Fig. 1 is the utility model sectional structure chart；
Fig. 2 is the right view structure chart of Fig. 1；
Fig. 3 uses assembly relation structure chart with what Orthopedic rod cooperated for the utility model；
In figure: 1- internal lock is fixed, 11- pilot hole, the elastic notch of 12-, 121- lead-over groove, 111- bayonet, the outer connector sleeve of 2-,
21- connecting hole, 3- locking nut, 4- Orthopedic rod.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings, but must not add in any way to the utility model
With limitation, made any changes and modifications are instructed based on the utility model, belong to the protection scope of the utility model.
As shown in Fig. 1 ~ 3, the utility model includes that internal lock fixed 1, outer connector sleeve 2 and locking nut 3, the internal lock are fixed
1 axial setting pilot hole 11, one end setting of the internal lock fixed 1 clamp conehead 10, set on the clamping conehead 10 along axial direction
Set elastic notch 12, the inner conical surface adaptability cooperation of the male cone (strobilus masculinus) for clamping conehead 10 and outer connector sleeve 2, the outer connector sleeve
Connecting hole 21, the end face detent fit for moveing freely end Yu locking nut 3 of the outer connector sleeve 2, the lock are provided on 2
The outer surface thread of tight nut 3 and internal lock fixed 1 cooperates, and bayonet 111 is arranged in the outer surface of the internal lock fixed 1.Locking nut 3
With internal lock it is fixed be threadedly engaged can external connection set 2 pushed, so that the inner conical surface of outer connector sleeve 2 is generated pressure to conehead is clamped
Power forces clamping conehead to compress inwardly, to clamp to the Orthopedic rod 4 in pilot hole 11, plays positioning function.
The open end of the elastic notch 12 is concordant with the only large end face of head 10 is clamped, and the length of the elastic notch 12 is big
In the length of outer connector sleeve 2.When locking Orthopedic rod, it is more laborsaving to turn clamping screw.
The inner end of the elastic notch 12 is set as lead-over groove 121, and the width of the lead-over groove 121 is elastic 12 slot of notch
1 ~ 3 times of mouth width degree, the end arc transition of the lead-over groove 121.The width of lead-over groove is greater than elastic slot opening, makes outer connection
Set locks it more easily, and the end arc transition of lead-over groove reduces the local stress of interface, makes to be not easy in its course of work
Cracked equal damage.
The connecting hole 21 has inlet end and an outlet end on outer connector sleeve 2.
The input end is to the line at outer 2 center of connector sleeve and outlet end to the folder between the line at outer 2 center of connector sleeve
Angle is 10 ° ~ 35 °.Stablize the Orthopedic rod focus of work of working condition, it is not easy to be in the presence of shaking.
The aperture of the connecting hole 21 is 2 ~ 4mm.
The cone angle a for clamping conehead 10 is 10 ° ~ 30 °, the inner conical surface angle and clamping conehead 10 of the outer connector sleeve 2
Angle of taper it is identical.
The bayonet 111 is the platform of 1 periphery fixed lower than internal lock, and the radial line that the vertical internal lock of flat surface is fixed,
The bayonet 111 is arranged in far from the one end for clamping conehead 10 on interior lock sleeve 1, and the bayonet 111 is about in internal lock fixed 1
The symmetrical parallel setting of the heart is a pair of.To fix internal lock with tool fixed for facilitating when locking or unclamping Orthopedic rod for bayonet.
The elastic notch 12 is arranged three along the even circumferential of outer connector sleeve 2.Stress while laborsaving in use process
Also uniformly, Orthopedic rod can be clamped uniformly.
The locking nut 3 is titanium alloy stop nut.
Utility model works principle and the course of work:
Pilot hole 11 on the internal lock of the utility model fixed 1 can be slided up and down along Orthopedic rod 4, can freely adjust peace
Holding position and link position avoid the position for being not suitable for placing excessive volume instrument in human body while facilitating operation to carry out；It is interior
Lock sleeve 1, outer connector sleeve 2 and the cooperation of locking nut 3 are ingenious, keep locking operation convenient, and securely, matrix material is small, subtracts for locking
Small injury of the instrument to human body can be attached by media such as connecting ropes and can be carried out to Orthopedic rod 4 between connecting hole 21
Flexible connection makes the connection between Orthopedic rod have extendable room, protects the growth potential of backbone matrix.In use, using spanner
Equal utensils clamp the bayonet 111 on internal lock fixed 1, and clamping locking nut 3 with other fixture can be tightened or unclamped, from
And reaches the positioning of the clamping to Orthopedic rod 4 or unclamp.
Claims (10)
1. one kind is capable of the spinal column correction bar attachment device of flexible modulation installation site, it is characterized in that: include internal lock fixed (1),
Outer connector sleeve (2) and locking nut (3), the internal lock fixed (1) axially setting pilot hole (11), the internal lock fixed (1)
One end setting clamps conehead (10), axially disposed elastic notch (12) on the clamping conehead (10), the clamping conehead
(10) the inner conical surface adaptability of male cone (strobilus masculinus) and outer connector sleeve (2) cooperates, and is provided with connecting hole on the outer connector sleeve (2)
(21), the end face detent fit for moveing freely end Yu locking nut (3) of the outer connector sleeve (2), the locking nut (3)
Cooperate with the outer surface thread of internal lock fixed (1), bayonet (111) are arranged in the outer surface of the internal lock fixed (1).
2. the spinal column correction bar attachment device according to claim 1 for capableing of flexible modulation installation site, it is characterized in that: institute
The open end for stating elastic notch (12) is concordant with the large end face of conehead (10) is clamped, and the length of the elastic notch (12) is greater than outer
The length of connector sleeve (2).
3. the spinal column correction bar attachment device according to claim 1 or 2 for capableing of flexible modulation installation site, feature
Be: the inner end of the elastic notch (12) is set as lead-over groove (121), and the width of the lead-over groove (121) is elastic notch
(12) 1 ~ 3 times of width of rebate, the end arc transition of the lead-over groove (121).
4. the spinal column correction bar attachment device according to claim 1 for capableing of flexible modulation installation site, it is characterized in that: institute
State connecting hole (21) has inlet end and an outlet end on outer connector sleeve (2).
5. the spinal column correction bar attachment device according to claim 4 for capableing of flexible modulation installation site, it is characterized in that: institute
The line and outlet end to the angle between the line at outer connector sleeve (2) center for stating input end to outer connector sleeve (2) center are 10 °
~35°。
6. the spinal column correction bar attachment device according to claim 4 or 5 for capableing of flexible modulation installation site, feature
Be: the aperture of the connecting hole (21) is 2 ~ 4mm.
7. the spinal column correction bar attachment device according to claim 1 or 2 for capableing of flexible modulation installation site, feature
Be: the cone angle a for clamping conehead (10) is 10 ° ~ 30 °, the inner conical surface angle and clamping conehead (10) of the outer connector sleeve (2)
Angle of taper it is identical.
8. the spinal column correction bar attachment device according to claim 1 for capableing of flexible modulation installation site, it is characterized in that: institute
State the platform that bayonet (111) are (1) periphery fixed lower than internal lock, and the radial line that the vertical internal lock of flat surface is fixed, the card
Mouth (111) is arranged on interior lock sleeve (1) far from the one end for clamping conehead (10), and the bayonet (111) is fixed (1) about internal lock
Central symmetry a pair is arranged in parallel.
9. the spinal column correction bar attachment device according to claim 3 for capableing of flexible modulation installation site, it is characterized in that: institute
The even circumferential that elastic notch (12) is stated along outer connector sleeve (2) is arranged three.
10. the spinal column correction bar attachment device according to claim 3 for capableing of flexible modulation installation site, it is characterized in that:
The locking nut (3) is titanium alloy stop nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820572387.1U CN209422074U (en) | 2018-04-20 | 2018-04-20 | A kind of spinal column correction bar attachment device for capableing of flexible modulation installation site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820572387.1U CN209422074U (en) | 2018-04-20 | 2018-04-20 | A kind of spinal column correction bar attachment device for capableing of flexible modulation installation site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209422074U true CN209422074U (en) | 2019-09-24 |
Family
ID=68000387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820572387.1U Expired - Fee Related CN209422074U (en) | 2018-04-20 | 2018-04-20 | A kind of spinal column correction bar attachment device for capableing of flexible modulation installation site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209422074U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108542484A (en) * | 2018-04-20 | 2018-09-18 | 昆明医科大学第二附属医院 | A kind of spinal column correction bar attachment device for capableing of flexible modulation installation site |
| CN113017812A (en) * | 2021-02-26 | 2021-06-25 | 仉建国 | Broken rod connector and system |
-
2018
- 2018-04-20 CN CN201820572387.1U patent/CN209422074U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108542484A (en) * | 2018-04-20 | 2018-09-18 | 昆明医科大学第二附属医院 | A kind of spinal column correction bar attachment device for capableing of flexible modulation installation site |
| CN113017812A (en) * | 2021-02-26 | 2021-06-25 | 仉建国 | Broken rod connector and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190924 |