CN206303960U - The multi-faceted orthopedic external fixer of vertebral column minimally invasive - Google Patents
The multi-faceted orthopedic external fixer of vertebral column minimally invasive Download PDFInfo
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- CN206303960U CN206303960U CN201620555715.8U CN201620555715U CN206303960U CN 206303960 U CN206303960 U CN 206303960U CN 201620555715 U CN201620555715 U CN 201620555715U CN 206303960 U CN206303960 U CN 206303960U
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- extension tube
- screw
- dextrorotation
- screw base
- handed
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Abstract
The utility model is related to a kind of multi-faceted orthopedic external fixer of vertebral column minimally invasive, and the fixing device includes：Pedicle screw, it is arranged on the first screw base and the second screw base that pedicle of vertebral arch screw is nailed on, first rotary sleeve, it is separately positioned on the first dextrorotation extension tube and the first left-handed extension tube at the first rotary sleeve two ends, second rotary sleeve, it is separately positioned on the second dextrorotation extension tube and the second left-handed extension tube at the second rotary sleeve two ends, the sleeve pipe that the first dextrorotation extension tube end and the first left-handed extension tube end pass through to be respectively provided with is socketed on the first screw base, second dextrorotation extends tube end and the second left-handed extension tube end is respectively arranged with ball cup, second screw base is flexibly connected with ball cup.The structure design of the multi-faceted orthopedic external fixer of vertebral column minimally invasive of the present utility model is relatively reasonable, can reach vertebral column minimally invasive three-dimensional multiple angles and adjusts orthopedic outer fixation, and operation wound is small, convenient and practical, suitable further genralrlization application.
Description
Technical field
The utility model is related to the structure-design technique field of orthopaedics medicine equipment, more specifically to a kind of ridge
The minimally invasive multi-faceted orthopedic external fixer of post.
Background technology
In the prior art, the operation plan that vertebral compression fractures or deformity are used is by incision of skin, by pedicle nail
Centrum is squeezed into, operation in vivo makes the reduction of the fracture or deformity reset, it is necessary to by lesion centrum and phase up and down in above-mentioned operation plan
Incision of skin at adjacent centrum, incisional wound is larger, and patient's recovery time in later stage is more long.For this problem, a kind of knot of exploitation
Structure is reasonable in design, and operation wound is small, and the multi-faceted orthopedic external fixer of convenient and practical vertebral column minimally invasive is those skilled in the art
Technical problem urgently to be resolved hurrily.
Utility model content
Technical problem to be solved in the utility model is：It is existing to overcome the technical problem mentioned in above-mentioned background technology
A kind of reasonable in design is provided, operation wound is small, the multi-faceted orthopedic external fixer of convenient and practical vertebral column minimally invasive.
The utility model solves the technical scheme that its technical problem used：A kind of vertebral column minimally invasive is multi-faceted orthopedic outer solid
Determine device, the fixing device includes：Pedicle screw, be arranged on the first screw base that pedicle of vertebral arch screw nails on and the second screw base,
First rotary sleeve, the first dextrorotation extension tube and the first left-handed extension tube that are separately positioned on the first rotary sleeve two ends, the second rotation
Cover, be separately positioned on the second dextrorotation extension tube and the second left-handed extension tube at the second rotary sleeve two ends, the first dextrorotation extension
The sleeve pipe that tube end and the first left-handed extension tube end pass through to be respectively provided with is socketed on the first screw base, the second dextrorotation extension tube
End and the second left-handed extension tube end are respectively arranged with ball cup, and the second screw base is flexibly connected with ball cup.
Further, for processing is simple and easy installation and removal, the first rotary sleeve described in above-mentioned technical proposal is provided with interior
External screw thread is provided with screw thread, the first dextrorotation extension tube and the first left-handed extension tube, the second rotary sleeve is provided with internal thread, the
External screw thread is provided with two dextrorotation extension tubes and the second left-handed extension tube.
Further, for convenience of installing/dismounting and the multi-faceted orthotic structure of formation, the first screw described in above-mentioned technical proposal
Seat and the second screw base include：The jackscrew that the set hole matched with pedicle screw connects with set hole, the first screw base end sets
It is equipped with the first swivel nut of sleeve pipe clamping, the second screw base end is provided with ball cup socket and connects with the second screw base screw thread
The second swivel nut for connecing.
Further, for convenience of the Minimally Invasive Surgery of the fixing device, the pedicle screw is axial hollow-core construction, preferably
Ground, Minimally Invasive Surgery for convenience of the fixing device simultaneously can directly beat bone cement, and the pedicle screw is axial direction hollow arbor braid side opening
Formula structure.
Further, multi-faceted orthotic structure is formed for convenience, and the second rotary sleeve described in above-mentioned technical proposal and first revolves
Pivoted housing can be separately positioned on the upper side and lower side of pedicle screw, can also be separately positioned on the downside and upside of pedicle screw.
In structure of the present utility model, the first screw base, the first rotary sleeve, the first dextrorotation extension tube, the first left-handed extension
Pipe, sleeve pipe constitute the first adjusting means, the second screw base, the second rotary sleeve, the second dextrorotation extension tube, the second left-handed extension tube,
Ball cup constitute the second adjusting means, wherein, the rotatable setting of two ball cups in the second adjusting means and second rotation
Set, between the second dextrorotation extension tube, the second left-handed extension tube three distance rotatable change set, in the first adjusting means
First screw base can rotate in sleeve pipe, distance between the first rotary sleeve, the first dextrorotation extension tube, the first left-handed extension tube three
Rotatable change set so that the first adjusting means, the second adjusting means combination pedicle screw can be mutually adapted to form many
Plant three-dimensional perspective.
Beneficial effect：Compared with prior art, the knot of the multi-faceted orthopedic external fixer of vertebral column minimally invasive of the present utility model
Structure design is relatively reasonable, can reach vertebral column minimally invasive three-dimensional multiple angles and adjusts orthopedic outer fixation, and operation wound is small, convenient and practical,
Suitable further genralrlization application.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment, needed in being described to embodiment below
The accompanying drawing for using does simply to be introduced, it should be apparent that, for those of ordinary skill in the art, before work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of embodiment one；
Fig. 2 is A-A cross-sectional views in Fig. 1；
Fig. 3 is the one of which three-dimensional perspective structural representation in use of embodiment one；
Fig. 4 is a kind of structural representation of the pedicle screw 1 in embodiment two；
Fig. 5 is another structural representation of the pedicle screw 1 in embodiment two；
Fig. 6 is the structural representation of embodiment three；
Fig. 7 is the structural representation of embodiment three；
In figure, 1. pedicle screw, 2. the first screw base, 3. the second screw base, 4. the first rotary sleeve, 41. first dextrorotation
Extension tube, 42. first left-handed extension tubes, 43. sleeve pipes, 44. first swivel nuts, 5. the second rotary sleeve, 51. second dextrorotation extension tubes,
52. second left-handed extension tubes, 53. ball cups, 54. second swivel nuts, 6. jackscrew.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples, the composition represented by example below it is complete
Portion's content is not limited to necessary to the solution as the utility model described in claim.
Embodiment one
A kind of multi-faceted orthopedic external fixer of vertebral column minimally invasive as shown in figure 1 and 2, the fixing device includes：Two
Pedicle screw 1, the first screw base 2 being arranged on pedicle screw 1 and the second screw base 3, the first rotary sleeve 4, set respectively
Put in the first dextrorotation extension tube 41 at the two ends of the first rotary sleeve 4 and the first left-handed extension tube 42, the second rotary sleeve 5, be respectively provided with
In the second dextrorotation extension tube 51 at the two ends of the second rotary sleeve 5 and the second left-handed extension tube 52, the end of the first dextrorotation extension tube 41
The sleeve pipe 43 that portion and the end of the first left-handed extension tube 42 pass through to be fixedly installed respectively is socketed on the first screw base 2, the second dextrorotation
The end of extension tube 51 and the end of the second left-handed extension tube 52 are respectively arranged with ball cup 53, and the second screw base 3 is lived with ball cup 53
Dynamic connection, the rotary sleeve 4 of second rotary sleeve 5 and first is separately positioned on the upper side and lower side of pedicle screw 1.
In the structure of the present embodiment, the first screw base 2, the first rotary sleeve 4, the first dextrorotation extension tube 41, first is left-handed prolongs
Long tube 42, sleeve pipe 43 constitute the first adjusting means, and the second screw base 3, the second rotary sleeve 5, the second dextrorotation extension tube 51, second are left
Rotation extension tube 52, ball cup 53 constitute the second adjusting means, wherein, two ball cups 53 in the second adjusting means it is rotatable
The rotatable change of distance sets between setting and the second rotary sleeve 5, the second dextrorotation extension tube 51, three of the second left-handed extension tube 52
Put, the first screw base 2 in the first adjusting means can rotate in sleeve pipe 43, the first rotary sleeve 4, the first dextrorotation extension tube 41,
The rotatable change of distance is set between the three of first left-handed extension tube 42 so that the first adjusting means, the second adjusting means knot
Closing pedicle screw 1 can be mutually adapted to form various three-dimensional perspectives.When in use, pedicle screw 1 leads to the structure of the present embodiment
After too small otch squeezes into centrum, the first adjusting means is put into the downside of pedicle screw 1, the second adjusting means is put into pedicle of vertebral arch screw
The upside of nail 1, then tightened by jackscrew 6, pedicle screw 1 is fixed with the first adjusting means, the second adjusting means, the axle of sleeve pipe 43
Angle is axially formed to pedicle screw 1, on the first rotary sleeve 4, the second adjusting means in the first adjusting means of rotation
Second rotary sleeve 5 so that the hypotelorism of the pedicle screw 1 that the two ends of the first adjusting means and the second adjusting means are fixed or
Increase, as shown in Figure 3, convenient and practical, suitable further genralrlization application.
Embodiment two
The present embodiment is that on the basis of above-described embodiment one, first rotary sleeve 4 is provided with internal thread, the first dextrorotation
External screw thread is provided with the left-handed extension tube 42 of extension tube 41 and first, the second rotary sleeve 5 is provided with internal thread, the second dextrorotation
External screw thread is provided with the left-handed extension tube 52 of extension tube 51 and second；First screw base 2 and the second screw base 3 include：With
The set hole of the matching of pedicle screw 1 with cover the jackscrew 6 that connects of hole, the end of the first screw base 2 is provided with the of the clamping of sleeve pipe 43
One swivel nut 44, the end of the second screw base 3 is provided with the second swivel nut that ball cup 53 is socketed and is threadedly coupled with the second screw base 3
54, it is actually needed according to formality, pedicle screw 1 may be designed as solid construction, for convenience of the Minimally Invasive Surgery of the fixing device, institute
It is axial hollow-core construction (as shown in Figure 4) to state pedicle screw 1, or the Minimally Invasive Surgery of the fixing device and can directly be beaten for convenience
Bone cement, the pedicle screw 1 is axial hollow arbor braid side-hole structure, and side opening is in circumferentially distributed (such as Fig. 5 of screw thread front half section
It is shown).
Embodiment three
As shown in Figure 6, the structure of the present embodiment is on the basis of embodiment two, the first adjusting means to be put into vertebral arch
The upside of root screw 1, the second adjusting means is put into the downside of pedicle screw 1, can equally realize the first adjusting means, the second regulation
Device combination pedicle screw 1 is mutually adapted to form the multi-faceted orthopedic outer fixed structure of various three-dimensional perspectives.In addition, without departing from
Under the technical solution of the utility model concept thereof, can be designed as the technical solution of the utility model by those skilled in the art
The upper side and lower side of pedicle screw 1 is respectively mounted the first adjusting means or is respectively mounted the second adjusting means, or is designed as only in vertebral arch
The first adjusting means or the second adjusting means (as shown in Figure 7) are installed in the upside of root screw 1, are capable of achieving to form various three-dimensional perspectives
Multi-faceted orthopedic outer fixed structure, convenient and practical, suitable further genralrlization application.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (4)
1. the multi-faceted orthopedic external fixer of a kind of vertebral column minimally invasive, it is characterized in that：The fixing device includes：Hollow pedicle of vertebral arch screw
Follow closely, be arranged on the first screw base that pedicle of vertebral arch screw nails on and the second screw base, the first rotary sleeve, be separately positioned on the first rotary sleeve
The first dextrorotation extension tube and the first left-handed extension tube at two ends, the second rotary sleeve, be separately positioned on the second rotary sleeve two ends
Two dextrorotation extension tubes and the second left-handed extension tube, the first dextrorotation extension tube end and the first left-handed extension tube end are by dividing
The sleeve pipe not set is socketed on the first screw base, and the second dextrorotation extension tube end and the second left-handed extension tube end are respectively provided with
There is ball cup, the second screw base is flexibly connected with ball cup；First screw base and the second screw base include：With pedicle of vertebral arch
The jackscrew that the set hole of screw mates connects with set hole, the first screw base end is provided with the first swivel nut of sleeve pipe clamping, second
Screw base end is provided with the second swivel nut being threadedly coupled by ball cup socket and with the second screw base.
2. the multi-faceted orthopedic external fixer of a kind of vertebral column minimally invasive according to claim 1, it is characterized in that：First rotation
Pivoted housing is provided with internal thread, and external screw thread is provided with the first dextrorotation extension tube and the first left-handed extension tube, and the second rotation is arranged
Internal thread is equipped with, external screw thread is provided with the second dextrorotation extension tube and the second left-handed extension tube.
3. the multi-faceted orthopedic external fixer of a kind of vertebral column minimally invasive according to claim 1, it is characterized in that：The pedicle of vertebral arch
Screw is axial hollow-core construction.
4. the multi-faceted orthopedic external fixer of a kind of vertebral column minimally invasive according to claim 1, it is characterized in that：The pedicle of vertebral arch
Screw is axial hollow arbor braid side-hole structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620555715.8U CN206303960U (en) | 2016-06-08 | 2016-06-08 | The multi-faceted orthopedic external fixer of vertebral column minimally invasive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620555715.8U CN206303960U (en) | 2016-06-08 | 2016-06-08 | The multi-faceted orthopedic external fixer of vertebral column minimally invasive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206303960U true CN206303960U (en) | 2017-07-07 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620555715.8U Expired - Fee Related CN206303960U (en) | 2016-06-08 | 2016-06-08 | The multi-faceted orthopedic external fixer of vertebral column minimally invasive |
Country Status (1)
| Country | Link |
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| CN (1) | CN206303960U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105997210A (en) * | 2016-06-08 | 2016-10-12 | 常州迪恩医疗器械有限公司 | Spine minimally-invasive multi-azimuth orthopedic external fixing device |
| CN107550619A (en) * | 2017-10-24 | 2018-01-09 | 南阳市中心医院 | A kind of orthopaedics fractured leg resetting means |
| CN111759434A (en) * | 2020-05-26 | 2020-10-13 | 常州集硕医疗器械有限公司 | Clamping equipment for internal fixation of spine and working method of clamping equipment |
-
2016
- 2016-06-08 CN CN201620555715.8U patent/CN206303960U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105997210A (en) * | 2016-06-08 | 2016-10-12 | 常州迪恩医疗器械有限公司 | Spine minimally-invasive multi-azimuth orthopedic external fixing device |
| CN105997210B (en) * | 2016-06-08 | 2018-10-12 | 迪恩医疗科技有限公司 | A kind of multi-faceted orthopedic external fixer of vertebral column minimally invasive |
| CN107550619A (en) * | 2017-10-24 | 2018-01-09 | 南阳市中心医院 | A kind of orthopaedics fractured leg resetting means |
| CN107550619B (en) * | 2017-10-24 | 2020-09-25 | 南阳市中心医院 | Leg fracture resetting device for orthopedics department |
| CN111759434A (en) * | 2020-05-26 | 2020-10-13 | 常州集硕医疗器械有限公司 | Clamping equipment for internal fixation of spine and working method of clamping equipment |
| CN111759434B (en) * | 2020-05-26 | 2021-04-06 | 常州集硕医疗器械有限公司 | Clamping equipment for internal fixation of spine and working method of clamping equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 Changzhou, Jiangsu new North District, Jinsha River Road, No. 10 Patentee after: Dean medical technology Ltd Address before: 213000 Changzhou, Jiangsu new North District, Jinsha River Road, No. 10 Patentee before: Changzhou Dean Medical Machinery Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20210608 |
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| CF01 | Termination of patent right due to non-payment of annual fee |