CN105997210B - A kind of multi-faceted orthopedic external fixer of vertebral column minimally invasive - Google Patents
A kind of multi-faceted orthopedic external fixer of vertebral column minimally invasive Download PDFInfo
- Publication number
- CN105997210B CN105997210B CN201610403282.9A CN201610403282A CN105997210B CN 105997210 B CN105997210 B CN 105997210B CN 201610403282 A CN201610403282 A CN 201610403282A CN 105997210 B CN105997210 B CN 105997210B
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- China
- Prior art keywords
- screw
- extension tube
- dextrorotation
- minimally invasive
- rotary sleeve
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The present invention relates to a kind of multi-faceted orthopedic external fixer of vertebral column minimally invasive, which includes：Pedicle screw, the first screw base and the second screw base nailed in pedicle of vertebral arch screw is set, 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 both 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 both ends, first dextrorotation extends tube end and the first left-handed extension tube end is socketed in by the casing being respectively set on the first screw base, second dextrorotation extends tube end and the second left-handed extension pipe end section is not provided 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 invention 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 for further genralrlization application.
Description
Technical field
It is micro- more specifically to a kind of backbone the present invention relates to the structure-design technique field of orthopaedics medical instrument
Create multi-faceted orthopedic external fixer.
Background technology
In the prior art, operation plan used by vertebral compression fractures or deformity is by incision of skin, by pedicle nail
Centrum is squeezed into, operation in vivo makes the reduction of the fracture or deformity reset, and in above-mentioned operation plan, needs lesion centrum and phase up and down
Incision of skin at adjacent centrum, incisional wound is larger, and patient's recovery time in later stage is longer.For this problem, a kind of knot is developed
Structure reasonable design, 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.
Invention content
The technical problem to be solved by the present invention is to：To overcome the technical issues of being mentioned in above-mentioned background technology, now provide
A kind of reasonable in design, operation wound is small, the multi-faceted orthopedic external fixer of convenient and practical vertebral column minimally invasive.
The technical solution adopted by the present invention to solve the technical problems is：A kind of multi-faceted orthopedic outer fixed dress of vertebral column minimally invasive
It sets, which includes：The first screw base nailed in pedicle of vertebral arch screw and the second screw base, first is arranged in pedicle screw
Rotary sleeve, the first dextrorotation extension tube for being separately positioned on the first rotary sleeve both ends and the first left-handed extension tube, are divided the second rotary sleeve
The second dextrorotation extension tube and the second left-handed extension tube at the second rotary sleeve both ends is not set, and first dextrorotation extends tube end
Be socketed on the first screw base by the casing being respectively set with the first left-handed extension tube end, the second dextrorotation extend tube end and
Second left-handed extension pipe end section is not provided with ball cup, and the second screw base is flexibly connected with ball cup.
Further, simple and easy for assemble or unload to process, the first rotary sleeve described in above-mentioned technical proposal is provided with interior
It is both provided with external screw thread in screw thread, the first dextrorotation extension tube and the first left-handed extension tube, the second rotary sleeve is provided with internal thread, the
It is both provided with external screw thread in two dextrorotation extension tubes and the second left-handed extension tube.
Further, for convenience of installing and 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：With pedicle screw matched sets of holes, the jackscrew that is connected to sets of holes, the first screw base end is set
It is equipped with the first swivel nut for being clamped casing, the second screw base end set has ball cup socket and connects with the second screw base screw thread
The second swivel nut connect.
Further, for convenience of the Minimally Invasive Surgery of the fixing device, the pedicle screw is axial hollow-core construction, preferably
Ground, for convenience of the fixing device Minimally Invasive Surgery and can directly beat bone cement, the pedicle screw is axial hollow arbor braid side opening
Formula structure.
Further, multi-faceted orthotic structure is formed for convenience, the second rotary sleeve described in above-mentioned technical proposal and the first rotation
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 the structure of the present invention, the first screw base, the first rotary sleeve, the first dextrorotation extension tube, the first left-handed extension tube, set
Pipe forms the first regulating device, the second screw base, the second rotary sleeve, the second dextrorotation extension tube, the second left-handed extension tube, ball cup
Form the second regulating device, wherein the rotatable setting of two ball cups in the second regulating device and the second rotary sleeve, second
The rotatable variation of distance is arranged between dextrorotation extension tube, the second left-handed extension tube three, the first spiral shell in the first regulating device
Nail seat can rotate in casing, and distance revolves between the first rotary sleeve, the first dextrorotation extension tube, the first left-handed extension tube three
Transformationization is arranged so that the first regulating device, the second regulating device combination pedicle screw can be mutually adapted to form a variety of three-dimensionals
Angle.
Advantageous effect：Compared with prior art, the structure of the multi-faceted orthopedic external fixer of vertebral column minimally invasive of the invention is set
It counts relatively reasonable, can reach vertebral column minimally invasive three-dimensional multiple angles and adjust orthopedic outer fixation, operation wound is small, convenient and practical, suitable
Further genralrlization application.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, it needs to use in below describing embodiment
Attached drawing do and simply introduce, it should be apparent that, for those of ordinary skill in the art, in the premise for not paying labour
Under, it can also be obtained according to these attached drawings other accompanying drawings.
Fig. 1 is the structural schematic diagram 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 schematic diagram of embodiment one in use；
Fig. 4 is a kind of structural schematic diagram of the pedicle screw 1 in embodiment two；
Fig. 5 is another structural schematic diagram of the pedicle screw 1 in embodiment two；
Fig. 6 is the structural schematic diagram of embodiment three；
Fig. 7 is the structural schematic diagram of embodiment three；
In figure, 1. pedicle screws, 2. first screw bases, 3. second screw bases, 4. first rotary sleeves, 41. first dextrorotation
Extension tube, 42. first left-handed extension tubes, 43. casings, 44. first swivel nuts, 5. second rotary sleeves, 51. second dextrorotation extension tubes,
52. the second left-handed extension tube, 53. ball cups, 54. second swivel nuts, 6. jackscrews.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples, in the whole of the composition represented by following example
Appearance is not limited to necessary to the solution as the invention described in the claims.
Embodiment one
A kind of multi-faceted orthopedic external fixer of vertebral column minimally invasive, the fixing device as shown in attached drawing 1,2 include：Two vertebras
Pedicle screw 1, the first screw base 2 being arranged on pedicle screw 1 and the second screw base 3, are respectively set first rotary sleeve 4
In the first dextrorotation extension tube 41 at 4 both ends of the first rotary sleeve and the first left-handed extension tube 42, the second rotary sleeve 5, it is separately positioned on
The second dextrorotation extension tube 51 at 5 both ends of the second rotary sleeve and the second left-handed extension tube 52,41 end of the first dextrorotation extension tube
It is socketed on the first screw base 2 by the casing 43 being fixedly installed respectively with 42 end of the first left-handed extension tube, the second dextrorotation is prolonged
51 end of long tube and 52 end of the second left-handed extension tube are respectively arranged with ball cup 53, the second screw base 3 and 53 activity of ball cup
Connection, second rotary sleeve, 5 and first rotary sleeve 4 are 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, casing 43 form the first regulating device, and the second screw base 3, the second rotary sleeve 5, the second dextrorotation extension tube 51, second are left
Revolve extension tube 52, ball cup 53 forms the second regulating device, wherein two ball cups 53 in the second regulating device it is rotatable
Be arranged and the second rotary sleeve 5, the second dextrorotation extension tube 51,52 three of the second left-handed extension tube between the rotatable variation of distance set
Set, the first screw base 2 in the first regulating device can rotate in casing 43, the first rotary sleeve 4, the first dextrorotation extension tube 41,
The rotatable variation setting of distance between first left-handed extension tube, 42 three so that the first regulating device, the second regulating device knot
Closing pedicle screw 1 can be mutually adapted to form a variety of three-dimensional perspectives.When in use, pedicle screw 1 is logical for the structure of the present embodiment
It crosses after small notch squeezes into centrum, the first regulating device is put into 1 downside of pedicle screw, the second regulating device is put into pedicle of vertebral arch screw
1 upside of nail, then tightened by jackscrew 6, so that pedicle screw 1 is fixed with the first regulating device, the second regulating device, 43 axis of casing
It is axially formed angle to pedicle screw 1, on the first rotary sleeve 4, the second regulating device in the first regulating device of rotation
Second rotary sleeve 5 so that the hypotelorism of the fixed pedicle screw in the both ends of the first regulating device and the second regulating device 1 or
It increases, it is as shown in Fig. 3, convenient and practical, suitable for further genralrlization application.
Embodiment two
The present embodiment is that on the basis of the above embodiment 1, first rotary sleeve 4 is provided with internal thread, the first dextrorotation
External screw thread is both provided in extension tube 41 and the first left-handed extension tube 42, the second rotary sleeve 5 is provided with internal thread, the second dextrorotation
It is both provided with external screw thread in extension tube 51 and the second left-handed extension tube 52；First screw base 2 and the second screw base 3 include：With
Pedicle screw 1 matched sets of holes, the jackscrew 6 that is connected to sets of holes, 2 end set of the first screw base has be clamped casing 43
One swivel nut 44,3 end set of the second screw base have 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 are 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 Fig. 6, the structure of the present embodiment is that first regulating device is put into vertebral arch on the basis of embodiment two
1 upside of root screw, the second regulating device are put into 1 downside of pedicle screw, and the first regulating device, the second adjusting equally may be implemented
Device combination pedicle screw 1 is mutually adapted to form the multi-faceted orthopedic outer fixed structure of a variety of three-dimensional perspectives.In addition, without departing from
Under technical scheme of the present invention concept thereof, technical scheme of the present invention can be designed as in pedicle of vertebral arch screw by those skilled in the art
It follows closely 1 the upper side and lower side to be respectively mounted the first regulating device or be respectively mounted the second regulating device, or is designed as only on pedicle screw 1
The first regulating device or the second regulating device (as shown in Figure 7) are installed in side, can be achieved to form a variety of three-dimensional perspectives multi-faceted strong
The outer fixed structure of shape, it is convenient and practical, suitable for further genralrlization application.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (5)
1. a kind of multi-faceted orthopedic external fixer of vertebral column minimally invasive, it is characterized in that：The fixing device includes：Pedicle screw is set
It sets the first screw base nailed in pedicle of vertebral arch screw and the second screw base, the first rotary sleeve, be separately positioned on the first rotary sleeve both ends
The first dextrorotation extension tube and the first left-handed extension tube, the second rotary sleeve, be separately positioned on the second right of the second rotary sleeve both ends
Extension tube and the second left-handed extension tube are revolved, first dextrorotation extends tube end and the first left-handed extension tube end by setting respectively
The casing set is socketed on the first screw base, and the second dextrorotation extends tube end and the second left-handed extension pipe end section is not provided with ball
Headstock, the second screw base are flexibly connected with ball cup.
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 both provided in the first dextrorotation extension tube and the first left-handed extension tube, and the second rotation is arranged
It is equipped with internal thread, external screw thread is both provided in 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：First spiral shell
Nail seat and the second screw base include：With pedicle screw matched sets of holes, the jackscrew that is connected to sets of holes, the first screw base end
It is provided with the first swivel nut for being clamped casing, the second screw base end set has ball cup socket and and the second screw base screw thread
Second swivel nut of connection.
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-core construction.
5. 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 |
|---|---|---|---|
| CN201610403282.9A CN105997210B (en) | 2016-06-08 | 2016-06-08 | A kind of multi-faceted orthopedic external fixer of vertebral column minimally invasive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610403282.9A CN105997210B (en) | 2016-06-08 | 2016-06-08 | A kind of multi-faceted orthopedic external fixer of vertebral column minimally invasive |
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| Publication Number | Publication Date |
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| CN105997210A CN105997210A (en) | 2016-10-12 |
| CN105997210B true CN105997210B (en) | 2018-10-12 |
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| CN201610403282.9A Active CN105997210B (en) | 2016-06-08 | 2016-06-08 | A kind of multi-faceted orthopedic external fixer of vertebral column minimally invasive |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691556B (en) * | 2016-11-18 | 2023-07-04 | 周海东 | Fracture multidirectional reduction external fixator |
| CN108814695B (en) * | 2018-05-30 | 2020-11-06 | 宋晓飞 | Orthopedic department spine minimally invasive multi-azimuth orthopedic external fixing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5702452A (en) * | 1995-01-23 | 1997-12-30 | Sofamor S.N.C. | Spinal osteosynthesis device with median hook and vertebral anchoring support |
| CN200948163Y (en) * | 2006-09-08 | 2007-09-19 | 王文军 | External Fixer for the recovering of knotty vertebral column |
| CN202223324U (en) * | 2011-10-12 | 2012-05-23 | 常州迪恩医疗器械有限公司 | External fixing system for treatment of kyphosis |
| CN202235639U (en) * | 2011-10-12 | 2012-05-30 | 常州迪恩医疗器械有限公司 | Fixing system for scoliosis treatment |
| CN206303960U (en) * | 2016-06-08 | 2017-07-07 | 常州迪恩医疗器械有限公司 | The multi-faceted orthopedic external fixer of vertebral column minimally invasive |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990002527A1 (en) * | 1988-09-09 | 1990-03-22 | Australian Defence Industries Pty. Limited | Spinal distractor |
| CN205163218U (en) * | 2015-12-08 | 2016-04-20 | 邵阳市中医医院 | Chest lumbar vertebrae compressibility fracture percutaneous wicresoft struts resetting means |
-
2016
- 2016-06-08 CN CN201610403282.9A patent/CN105997210B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5702452A (en) * | 1995-01-23 | 1997-12-30 | Sofamor S.N.C. | Spinal osteosynthesis device with median hook and vertebral anchoring support |
| CN200948163Y (en) * | 2006-09-08 | 2007-09-19 | 王文军 | External Fixer for the recovering of knotty vertebral column |
| CN202223324U (en) * | 2011-10-12 | 2012-05-23 | 常州迪恩医疗器械有限公司 | External fixing system for treatment of kyphosis |
| CN202235639U (en) * | 2011-10-12 | 2012-05-30 | 常州迪恩医疗器械有限公司 | Fixing system for scoliosis treatment |
| CN206303960U (en) * | 2016-06-08 | 2017-07-07 | 常州迪恩医疗器械有限公司 | The multi-faceted orthopedic external fixer of vertebral column minimally invasive |
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| CN105997210A (en) | 2016-10-12 |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 213000 Changzhou, Jiangsu new North District, Jinsha River Road, No. 10 Applicant after: Dean medical technology Ltd Address before: 213000 Changzhou, Jiangsu new North District, Jinsha River Road, No. 10 Applicant before: Changzhou Dean Medical Machinery Co., Ltd. |
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| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Fang Zhigang Inventor after: Li Wang Inventor before: Fang Zhigang Inventor before: Li Wang Inventor before: Huang Wendi |