CN209172485U - 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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- CN209172485U CN209172485U CN201821787791.7U CN201821787791U CN209172485U CN 209172485 U CN209172485 U CN 209172485U CN 201821787791 U CN201821787791 U CN 201821787791U CN 209172485 U CN209172485 U CN 209172485U
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- casing
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- polished rod
- fixed
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Abstract
The utility model discloses a kind of, and the S1 sacroiliac screw based on axle position fluoroscopy techniques is placed in guider, including first sleeve, through equipped with Kirschner wire in the first sleeve, the side of the first sleeve is fixed with the second casing, through equipped with the first polished rod in second casing, one end rotation of first polished rod is socketed with connecting rod, one end of the connecting rod is fixed with third casing, the other end of the connecting rod is fixed with first gear, the side of first polished rod is rotatably connected to second gear, and second gear and first gear are meshed, the upper end of the second gear is fixed with rotor plate.Guide cylinder can be adjusted to accurate location easily and fast by the utility model, and can stablize fixed guide cylinder, prevent occurring the case where shaking in operation, be conducive to accurately carry out setting nail, structure is simple, and medical staff is facilitated to operate, easy to spread.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of S1 sacrum ilium spiral shells based on axle position fluoroscopy techniques
Nail merging guider.
Background technique
In pelvic fracture, the damage for involving posterior ring pelvic is much, such as abarticulation, sacral fracture.Such bone
Folding frequently results in pelvis shakiness, needs to carry out operative treatment.For being damaged without obvious displacement or the posterior ring pelvic resetted of having gone,
Row articulatio sacroiliaca merging screw, which is treated, gradually to be obtained clinic and is widely recognized as, and has scholar to pass through Biomechanics test knot
Fruit supports the stability of the technology.It is the most frequently used that through S1 centrum nail technology is set in percutaneous sacroiliac screw technology, it is comparatively safe.Due to
Posterior ring pelvic anatomical structure is complicated, and around adjoining has important neural blood vessel and internal organs.In clinical practice, percutaneous sacroiliac screw
It sets nail and sets nail deviation ratio in the presence of higher.Since, throughout important neural blood vessel, anatomical structure is complicated around S1 centrum, once it is inclined to set nail
Severe complication may occur for difference.
Area of computer aided image navigation bone surgery be considered being most likely at following minimally invasiveization for realizing bone surgery and
It is intelligent.This technology is applied by many orthopedists.But the equipment cost of its great number be its most of hospital cannot at home
Universal key factor.Some scholars devise a series of percutaneous sacroiliac screw guiding devices, due to being that nail is set in personalization, operation
It is difficult, it is often necessary to it is had an X-rayed when beating, continuous adjustment direction, clinical manipulation is easy unstable, it is still difficult to be promoted, for this purpose,
It is solved the above problems we have proposed a kind of based on the S1 sacroiliac screw of axle position fluoroscopy techniques merging guider.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed is saturating based on axle position
S1 sacroiliac screw depending on technology is placed in guider.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of S1 sacroiliac screw merging guider based on axle position fluoroscopy techniques, including first sleeve, the first sleeve
Interior through equipped with Kirschner wire, the side of the first sleeve is fixed with the second casing, runs through in second casing and is equipped with first
One end rotation of polished rod, first polished rod is socketed with connecting rod, and one end of the connecting rod is fixed with third casing, the company
The other end of extension bar is fixed with first gear, and the side of first polished rod is rotatably connected to second gear, and second gear and
First gear is meshed, and the upper end of the second gear is fixed with rotor plate, and the second gear is equipped with through-hole, and described first
The side of polished rod is equidistantly equipped with multiple blind holes, and the through-hole and blind hole are corresponding, runs through in the through-hole and is equipped with locating rod, and
The lower end of locating rod is through through-hole and extends in blind hole, through equipped with the second polished rod, second light in the third casing
One end of bar is fixed with link block, and the link block is equipped with gap, runs through in the gap and be equipped with guide cylinder, the guide cylinder
It is made of aluminium alloy, the guide cylinder is equipped with the first pilot hole, the second pilot hole and third pilot hole, first guiding
Stainless steel, the interior diameter of first pilot hole have been sticked on one week side wall in hole, the second pilot hole and third pilot hole
Greater than the interior diameter of the second pilot hole, the interior diameter of second pilot hole is greater than the interior diameter of third pilot hole, and described first
Positioning device is equipped on casing, the second casing, third casing and link block.
Preferably, the positioning device includes the spiral shell being arranged on first sleeve, the second casing, third casing and link block
Line through-hole is screwed with positioning knob in four tapped through holes, and one end of four positioning knobs extends through four tapped through holes simultaneously
The side of four tapped through holes is extended to, one end of four positioning knobs is contradicted respectively in Kirschner wire, the first polished rod, the second polished rod
With the side of guide cylinder.
Preferably, the upper end of the second gear is fixed with rotor plate.
Preferably, the guide cylinder is made of aluminium alloy.
Preferably, it has been sticked not on one week side wall in first pilot hole, the second pilot hole and third pilot hole
Become rusty steel.
Preferably, the interior diameter of first pilot hole is greater than the interior diameter of the second pilot hole, second pilot hole
Interior diameter is greater than the interior diameter of third pilot hole.
Compared with prior art, the utility model has the beneficial effects that
1, by the cooperation of first gear, second gear and 3rd sleeve, the second polished rod is enable to rotate, consequently facilitating adjusting
The position for saving guide cylinder, solves the problems, such as that existing guider is inconvenient to operate, guide cylinder can be adjusted to standard easily and fast
True position is conducive to carry out precisely setting nail；
2, by the cooperation of multiple positioning knobs and multiple tapped through holes, guide cylinder can be made to stablize and fixed, solved existing
The problem for having guider clinical manipulation unstable has achieved the purpose that energy stable position, is not in shake, can stablize progress
Set nail.
In conclusion present apparatus structure is simple, guide cylinder can be adjusted to accurate location easily and fast, and make guide cylinder
Stablize and fix, carries out setting nail so as to accurate, stable.
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 vertical view of guider
Figure；
Fig. 2 be the utility model proposes a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques be placed in facing for guider
Figure；
Fig. 3 be the utility model proposes a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques be placed at the A of guider
Enlarged drawing；
Fig. 4 be the utility model proposes a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques be placed at the B of guider
Enlarged drawing.
In figure: 1 positioning knob, 2 first sleeves, 3 Kirschner wires, 4 second casings, 5 first polished rods, 6 third casings, 7 second
Polished rod, 8 rotor plates, 9 first gears, 10 connecting rods, 11 link blocks, 12 guide cylinders, 13 gap, 14 second gears, 15 locating rods,
16 through-holes.
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.1-4, a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques is placed in guider, including first sleeve 2, the
Through Kirschner wire 3 is equipped in sleeve 2, first Kirschner wire 3 is placed on ilium ridge, one end of Kirschner wire 3 is then made to inject first set
In pipe 2, the positioning knob 1 in first sleeve 2 is rotated, the position of fixed first sleeve 2 provides stable support for subsequent operation；
The side of first sleeve 2 is fixed with the second casing 4, runs through in the second casing 4 and is equipped with the first polished rod 5, the first polished rod 5
It stretches in the second casing 4, to be adjustable the position of third casing 6, one end rotation of the first polished rod 5 is socketed with connecting rod
10, one end of connecting rod 10 is fixed with third casing 6, and the other end of connecting rod 10 is fixed with first gear 9, and 9 turns of first gear
It is dynamic that connecting rod 10 and third casing 6 is driven to rotate, thus facilitate the position for adjusting positioning tube 12, the side rotation of the first polished rod 5
It being connected with second gear 14, and second gear 14 and first gear 9 are meshed, the upper end of second gear 14 is fixed with rotor plate 8,
Pinching rotor plate 8 with hand can drive second gear 14 to rotate, and the rotation of second gear 14 can be such that first gear 9 rotates, to adjust
The position of positioning tube 12, second gear 14 are equipped with through-hole 16, and the side of the first polished rod 5 is equidistantly equipped with multiple blind holes, through-hole
16 and blind hole it is corresponding, through being equipped with locating rod 15 in through-hole 16, and the lower end of locating rod 15 through through-hole 16 and extends to blind
In hole, locating rod 15 is injected in blind hole by through-hole 16, fixed second gear 14, thus the position of fixed third casing 16,
Facilitate medical staff to operate, quickly can adjust and be fixed；
Through the second polished rod 7 is equipped in third casing 6, one end of the second polished rod 7 is fixed with link block 11, mobile second light
The second polished rod 7 of bar 7 or rotation, link block 11 are equipped with gap 13, run through in gap 13 and be equipped with guide cylinder 12, to adjust guiding
Cylinder 12 to suitable position, guide cylinder 12 is equipped with the first pilot hole, the second pilot hole and third pilot hole, rotates guide cylinder 12,
It selects suitable pilot hole to carry out setting needle, is equipped with positioning on first sleeve 2, the second casing 4, third casing 6 and link block 11
Device is convenient for fixing, medical staff is facilitated to operate.
In the utility model, positioning device includes being arranged in first sleeve 2, the second casing 4, third casing 6 and link block
Tapped through hole on 11 is screwed with positioning knob 1, rotational positioning knob 1 in four tapped through holes, so that positioning knob 1 be made to move
Dynamic, one end of four positioning knobs 1 extends through four tapped through holes and extends to the side of four tapped through holes, four positioning
One end of knob 1 is contradicted respectively in the side of Kirschner wire 3, the first polished rod 5, the second polished rod 7 and guide cylinder 12, and positioning knob 1 moves
It is dynamic, thus contradict one end of positioning knob 1 in the side of Kirschner wire 3, the first polished rod 5, the second polished rod 7 and guide cylinder 12, into
Row is fixed, and carries out setting needle convenient for medical staff.
It in the utility model, is positioned, is then made gram in use, first squeezing into the Kirschner wire 3 of one piece of 2.5mm on ilium ridge
Family name's needle 3 injects in first sleeve 2, adjusts first sleeve 2 to suitable position, the positioning knob 1 rotated in first sleeve 2 is consolidated
Fixed, mobile first polished rod 5 adjusts the position of third casing 6, and the positioning knob 1 rotated on the second casing 4 fixes the first polished rod 5,
Rotation rotor plate 8 then drives second gear 14 to rotate, and the rotation of second gear 14 rotates first gear 9, and first gear 9 passes through
Connecting rod 10 drives third casing 6 to turn to suitable position, and locating rod 15 is injected in blind hole by through-hole 16 and is fixed, and moves
Dynamic second polished rod 7 adjusts the position of link block 11, and the positioning knob 1 rotated on third casing 6 fixes the second polished rod 7, and rotation is led
To cylinder 12, to adjust the position of first positioning hole, second location hole and third location hole, convenient selection according to demand is suitable
Screw, and in introitus pelvis position and outlet position confirmation position and screw length.
More than, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, according to the utility model
Technical solution and its utility model design be subject to equivalent substitution or change, should all cover the protection scope of the utility model it
It is interior.
Claims (6)
1. a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques is placed in guider, including first sleeve (2), it is characterised in that:
Through Kirschner wire (3) are equipped in the first sleeve (2), the side of the first sleeve (2) is fixed with the second casing (4), institute
It states through the first polished rod (5) are equipped in the second casing (4), one end rotation of first polished rod (5) is socketed with connecting rod (10),
One end of the connecting rod (10) is fixed with third casing (6), and the other end of the connecting rod (10) is fixed with first gear
(9), the side of first polished rod (5) is rotatably connected to second gear (14), and second gear (14) and first gear (9) phase
Engagement, the second gear (14) are equipped with through-hole (16), and the side of first polished rod (5) is equidistantly equipped with multiple blind holes,
The through-hole (16) is corresponding with blind hole, runs through in the through-hole (16) and is equipped with locating rod (15), and the lower end of locating rod (15)
It through through-hole (16) and extends in blind hole, through equipped with the second polished rod (7), second polished rod in the third casing (6)
(7) one end is fixed with link block (11), and the link block (11) is equipped with gap (13), is run through in the gap (13) and is equipped with
Guide cylinder (12), the guide cylinder (12) are equipped with the first pilot hole, the second pilot hole and third pilot hole, the first sleeve
(2), positioning device is equipped on the second casing (4), third casing (6) and link block (11).
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 positioning device includes being arranged on first sleeve (2), the second casing (4), third casing (6) and link block (11)
Tapped through hole is screwed with positioning knob (1) in four tapped through holes, and one end of four positioning knobs (1) extends through four spiral shells
Line through-hole and the side for extending to four tapped through holes, one end of four positioning knobs (1) are contradicted respectively in Kirschner wire (3),
The side of one polished rod (5), the second polished rod (7) and guide cylinder (12).
3. a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques according to claim 1 is placed in guider, feature exists
In the upper end of the second gear (14) is fixed with rotor plate (8).
4. a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques according to claim 1 is placed in guider, feature exists
In the guide cylinder (12) is made of aluminium alloy.
5. a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques according to claim 1 is placed in guider, feature exists
In having sticked stainless steel on one week side wall in first pilot hole, the second pilot hole and third pilot hole.
6. a kind of S1 sacroiliac screw based on axle position fluoroscopy techniques according to claim 1 is placed in guider, feature exists
It is greater than the interior diameter of the second pilot hole in the interior diameter of, first pilot hole, the interior diameter of second pilot hole is greater than the
The interior diameter of three pilot holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821787791.7U CN209172485U (en) | 2018-11-01 | 2018-11-01 | 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 |
|---|---|---|---|
| CN201821787791.7U CN209172485U (en) | 2018-11-01 | 2018-11-01 | A kind of S1 sacroiliac screw merging guider based on axle position fluoroscopy techniques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209172485U true CN209172485U (en) | 2019-07-30 |
Family
ID=67362909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821787791.7U Expired - Fee Related CN209172485U (en) | 2018-11-01 | 2018-11-01 | A kind of S1 sacroiliac screw merging guider based on axle position fluoroscopy techniques |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209172485U (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
- 2018-11-01 CN CN201821787791.7U patent/CN209172485U/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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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: 20190730 Termination date: 20201101 |