CN209422095U - A kind of S1 sacroiliac screw merging guider based on axle position fluoroscopy techniques - Google Patents
A kind of S1 sacroiliac screw merging guider based on axle position fluoroscopy techniques Download PDFInfo
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- CN209422095U CN209422095U CN201821796521.2U CN201821796521U CN209422095U CN 209422095 U CN209422095 U CN 209422095U CN 201821796521 U CN201821796521 U CN 201821796521U CN 209422095 U CN209422095 U CN 209422095U
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- China
- Prior art keywords
- fixedly connected
- guider
- connecting rod
- gear
- guide pipe
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Abstract
The utility model relates to guider technical fields, especially a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques is placed in guider, including first sleeve, Kirschner wire is set in the first sleeve, slide bar is slidably fitted in second casing, first gear is fixed at the top of the slide bar, rotation annulus is equipped with below first gear, rotation annulus is fixedly connected with horizontally disposed first connecting rod, the first connecting rod is fixedly connected with supporting block, the bearing outer ring, which runs through, second gear, spherical shell is fixedly connected at the top of second connecting rod, sphere is slidably connected in the spherical shell, guider is fixedly connected at the top of the third connecting rod.The utility model structure is simple, easy to operate to be, can be oriented to different model S1 sacroiliac screw, moreover it is possible to carry out multi-faceted and multilevel adjusting to guide direction.
Description
Technical field
The utility model relates to guider technical field more particularly to a kind of S1 sacroiliac screws based on axle position fluoroscopy techniques
It is placed in guider.
Background technique
In pelvic fracture, the damage for involving posterior ring pelvic is much, such as sacroiliac dislocation, sacral fracture.It should
Class fracture frequently results in pelvis shakiness, there is the pointer of operative treatment.For without obvious displacement or the posterior ring pelvic resetted of having gone
Damage, the treatment of row femoral neck cannulated screw has gradually obtained clinic and has been widely recognized as, and has scholar to pass through Biomechanics test result
Support the stability of the technology, wherein it is the most frequently used through S1 centrum to set nail technology in percutaneous sacroiliac screw technology, it is comparatively safe.But by
Complicated in posterior ring pelvic anatomical structure, around adjoining has important neural blood vessel and internal organs, in clinical practice, percutaneous sacrum ilium spiral shell
Nail sets nail and sets nail deviation ratio in the presence of higher, and throughout important neural blood vessel around S1 centrum, anatomical structure is complicated, once set nail
Severe complication may occur for deviation.
Area of computer aided image navigation bone surgery be considered being most likely at following minimally invasiveization for realizing bone surgery and
Intelligence, this technology are applied by many orthopedists, but the equipment cost impact of its great number its most of hospital is not at home
The key factor that can be popularized.
Utility model content
Purpose of the utility model is to solve percutaneous sacroiliac screw exists in the prior art, to set nail deviation ratio high, percutaneous
Sacroiliac screw guider material disadvantage at high cost, and a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques proposed is placed in guiding
Device.
To achieve the goals above, the utility model adopts the technical scheme that
Design a kind of S sacroiliac screw merging guider based on axle position fluoroscopy techniques, including first sleeve, the first set
Kirschner wire is set in pipe, first sleeve surface is threaded with the first banking pin that top inserts into the inner portion, first sleeve one
End top is fixedly connected with the second casing, and slide bar is slidably fitted in second casing, and the second sleeve bottom surface screw thread connects
It is connected to the second banking pin that top inserts into the inner portion, first gear is fixed at the top of the slide bar, is equipped with set below first gear
Rotation annulus on slide bar, rotation annulus lower section are equipped with the clamping rings being fixedly connected with slide bar, the rotation circle
One side surface of ring is threaded with the third banking pin that top inserts into the inner portion, and rotation another side surface of annulus is fixedly connected with water
The first connecting rod of flat setting, the first connecting rod end are fixedly connected with supporting block, and the supporting block surface middle part is fixed
It is connected with the connecting column being vertically arranged, the connecting column is fixedly connected with bearing, and the bearing outer ring runs through the company of being secured to
The second gear connect, the second gear mesh together with first gear, and one of the supporting block far from the first connecting rod
End is fixedly connected with horizontally disposed second connecting rod, is fixedly connected with spherical shell, the ball at the top of second connecting rod
Sphere is slidably connected in shape shell, spherical shell screw top is connected with the 4th banking pin that top inserts into the inner portion, separate
Spherical shell one end of second connecting rod is equipped with the third connecting rod that top is run through its outer wall and is fixedly connected with sphere, institute
State and be fixedly connected with guider at the top of third connecting rod, along the guider surface be circumferentially respectively equipped with it is internal through it and and its
The first guide pipe, the second guide pipe and the third guide pipe being fixedly connected.
Preferably, the guider is made of aluminum.
Preferably, first guide pipe, the second guide pipe and third guide pipe are made of stainless steel.
The utility model proposes a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques be placed in guider, beneficial effect exists
In:
It 1, can be to the S1 of different model by the way that the first guide pipe, the second guide pipe and third guide pipe is arranged in guider
Sacroiliac screw carries out guiding implantation, increases the suitability of guider；
2, by the cooperation of spherical shell and sphere, the third connecting rod being fixedly connected with sphere can be rotated,
The rotation of guider is realized indirectly, and the angle of the first guide pipe, the second guide pipe and third guide pipe on adjustable guide can
Carry out the implantation of S1 sacroiliac screw multi-angle；By first gear, second gear, bearing and the mutual cooperation for rotating annulus, can incite somebody to action
Guider is allocated to different horizontal positions, so that guider can carry out guiding implantation to S1 sacroiliac screw to different level position,
Above structure, which can be realized, in more planes and multi-direction to carry out guiding implantation to S1 sacroiliac screw.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques be placed in the structure of guider
Schematic diagram；
Fig. 2 be the utility model proposes a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques be placed in guider and be oriented to
The top view of device.
In figure: first sleeve 1, Kirschner wire 2, the first banking pin 3, the second casing 4, slide bar 5, the second banking pin 6, first
Gear 7, rotation annulus 8, clamping rings 9, third banking pin 10, first connecting rod 11, supporting block 12, connecting column 13, bearing 14,
Second gear 15, the second connecting rod 16, spherical shell 17, sphere 18, the 4th banking pin 19, third connecting rod 20, guider
21, the first guide pipe 22, the second guide pipe 23, third guide pipe 24.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques is placed in guider, including first sleeve 1, the
Kirschner wire 2 is set in sleeve 1,1 surface of first sleeve is threaded with the first banking pin 3 that top inserts into the inner portion, the
It is fixedly connected with the second casing 4 at the top of 1 one end of sleeve, slide bar 5,4 bottom table of the second casing are slidably fitted in the second casing 4
Face is threaded with the second banking pin 6 that top inserts into the inner portion.First sleeve 1 can be limited in kirschner by the first banking pin 3
Position on needle 2 can carry out the adjusting of horizontal position, by the way that the cunning being slidably mounted on the second casing 4 is arranged to guider 21
Bar 5, the height of adjustable guide 21.
It is fixed with first gear 7 at the top of slide bar 5, is equipped with the rotation annulus 8 being sleeved on slide bar 5 below first gear 7,
The clamping rings 9 being fixedly connected with slide bar 5 is equipped with below rotation annulus 8, rotation 8 one side surface of annulus is threaded with top and stretches
Entering its internal third banking pin 10, the rotation another side surface of annulus 8 is fixedly connected with horizontally disposed first connecting rod 11,
11 end of first connecting rod is fixedly connected with supporting block 12, and 12 surface middle part of supporting block is fixedly connected with the connecting column being vertically arranged
13, connecting column 13 is fixedly connected with bearing 14, and 14 outer ring of bearing, which is run through, the second gear 15 being firmly connected with it, the second tooth
Wheel 15 meshes together with first gear 7.When needing to adjust the level orientation of guider 21, the third that comes loose banking pin 10 is dialled
Action-oriented device 21, at this point, guider 21 drives third connecting rod 20 mobile, so that sphere 18, spherical shell 17, second connect
Extension bar 16 and supporting block 12 and then move, and supporting block 12 is mobile to drive connecting column 13, bearing 14 mobile, due to rotation annulus 8
Restriction effect, second gear 15 move in a circle around first gear 7, so that guider 21 can be adjusted to desired horizontal position
It sets.
One end of supporting block 12 far from first connecting rod 11 is fixedly connected with horizontally disposed second connecting rod 16, and second
It is fixedly connected with spherical shell 17 at the top of connecting rod 16, sphere 18,17 top of spherical shell are slidably connected in spherical shell 17
It is threaded with the 4th banking pin 19 that top inserts into the inner portion, 17 one end of spherical shell far from the second connecting rod 16 is equipped with top
The third connecting rod 20 for running through its outer wall and being fixedly connected with sphere 18 is held, is fixedly connected with guiding at the top of third connecting rod 20
Device 21, guider 21 is made of aluminum, along 21 surface of guider be circumferentially respectively equipped with through it is internal and be firmly connected with it the
One guide pipe 22, the second guide pipe 23 and third guide pipe 24, the first guide pipe 22, the second guide pipe 23 and third guide pipe 24
It is made of stainless steel.It is fixedly connected with spherical shell 17 at the top of the second connecting rod 16, is slidably connected in spherical shell 17
Sphere 18, after unscrewing the 4th banking pin 19, the first guide pipe 22, the second guide pipe 23 and third is adjusted in rotation guider 21
The angle of guide pipe 24 and horizontal position tightens the 4th banking pin 19 again, achievees the purpose that adjust and plants nail angle.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (3)
1. a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques is placed in guider, including first sleeve (1), it is characterised in that:
It is set with Kirschner wire (2) in the first sleeve (1), first sleeve (1) surface is threaded with that top inserts into the inner portion
One banking pin (3), first sleeve (1) one end top are fixedly connected with the second casing (4), sliding peace in second casing (4)
Equipped with slide bar (5), the second casing (4) bottom surface is threaded with the second banking pin (6) that top inserts into the inner portion, the cunning
It is fixed with first gear (7) at the top of bar (5), the rotation annulus (8) being sleeved on slide bar (5), institute is equipped with below first gear (7)
State the clamping rings (9) for being equipped with below rotation annulus (8) and being fixedly connected with slide bar (5), (8) the one side surface spiral shell of rotation annulus
Line is connected with the third banking pin (10) that top inserts into the inner portion, and rotation annulus (8) another side surface is fixedly connected with level and sets
The first connecting rod (11) set, first connecting rod (11) end are fixedly connected with supporting block (12), the supporting block (12)
Surface middle part is fixedly connected with the connecting column (13) being vertically arranged, and the connecting column (13) is fixedly connected with bearing (14), described
Through there is the second gear (15) being firmly connected with it, the second gear (15) is nibbled with first gear (7) for bearing (14) outer ring
It is combined, one end of the supporting block (12) far from the first connecting rod (11) is fixedly connected with horizontally disposed second connection
Bar (16), the second connecting rod (16) top are fixedly connected with spherical shell (17), and sliding connects in the spherical shell (17)
It is connected to sphere (18), spherical shell (17) screw top is connected with the 4th banking pin (19) that top inserts into the inner portion, far from institute
State the second connecting rod (16) spherical shell (17) one end be equipped with top through its outer wall and be fixedly connected with sphere (18) the
Three connecting rods (20), third connecting rod (20) top is fixedly connected with guider (21), along the guider (21) surface
It is circumferentially respectively equipped with through the first guide pipe (22), the second guide pipe (23) and third guiding that it is internal and is firmly connected with it
It manages (24).
2. a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques according to claim 1 is placed in guider, feature exists
In: the guider (21) is made of aluminum.
3. a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques according to claim 1 is placed in guider, feature exists
In: first guide pipe (22), the second guide pipe (23) and third guide pipe (24) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821796521.2U CN209422095U (en) | 2018-11-02 | 2018-11-02 | A kind of S1 sacroiliac screw merging guider based on axle position fluoroscopy techniques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821796521.2U CN209422095U (en) | 2018-11-02 | 2018-11-02 | A kind of S1 sacroiliac screw merging guider based on axle position fluoroscopy techniques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209422095U true CN209422095U (en) | 2019-09-24 |
Family
ID=67967948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821796521.2U Expired - Fee Related CN209422095U (en) | 2018-11-02 | 2018-11-02 | A kind of S1 sacroiliac screw merging guider based on axle position fluoroscopy techniques |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209422095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113907859A (en) * | 2021-09-07 | 2022-01-11 | 上海市第十人民医院 | Auxiliary sacroiliac joint screw navigation nail placing device |
-
2018
- 2018-11-02 CN CN201821796521.2U patent/CN209422095U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113907859A (en) * | 2021-09-07 | 2022-01-11 | 上海市第十人民医院 | Auxiliary sacroiliac joint screw navigation nail placing device |
| CN113907859B (en) * | 2021-09-07 | 2023-10-13 | 上海市第十人民医院 | Auxiliary screw placement device for sacroiliac joint screw navigation |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190924 Termination date: 20201102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |