CN204260804U - Spinal osteotomy reset guide device - Google Patents
Spinal osteotomy reset guide device Download PDFInfo
- Publication number
- CN204260804U CN204260804U CN201420658947.7U CN201420658947U CN204260804U CN 204260804 U CN204260804 U CN 204260804U CN 201420658947 U CN201420658947 U CN 201420658947U CN 204260804 U CN204260804 U CN 204260804U
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- CN
- China
- Prior art keywords
- rotating shaft
- connection block
- arc
- guide device
- reset guide
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
This utility model provides a kind of spinal osteotomy reset guide device, comprise an arc-shaped slide rail and two poles, the upper end of described pole is operating side, and lower end is provided with the connecting portion for being connected with human vertebrae, and the operating side of two poles is connected with the two ends of arc-shaped slide rail respectively; In this utility model, two upper each covers of pole have a sleeve pipe, sleeve pipe is fixedly connected with the first rotating shaft, the first rotating shaft is rotatably mounted with Connection Block, Connection Block is provided with the second rotating shaft rotationally; Second rotating shaft and the first rotating shaft perpendicular, the two ends of described arc-shaped slide rail are separately fixed in the second rotating shaft, between described first rotating shaft and Connection Block, are respectively equipped with lock part between the second rotating shaft and Connection Block.This utility model can tackle different surgery situation by the mechanical connection between various parts; In addition, this utility model also effectively ensure that reset guide accuracy and precision, improve operation safety, return doctor perform the operation time operation add facility.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly relates to a kind of for the osteotomy reset guide device in spinal operation.
Background technology
Along with the development of modern medicine, some surgical technics are constantly developed or perfect.Spinal osteotomy is a kind of surgery operating technology being mainly used in treating severe deformity of spine, its development comparatively early, the orthomorphia of patients with ankylosing spondylitis is just applied in 1945, nowadays this technology is still widely used in the orthopedic of spinal surgery, and its scope of application is also far away from ankylosing spondylitis.Along with the continuous innovation of diagnostic equipment and operating theater instruments, spinal osteotomy technology have also been obtained significant progress.Now, spinal osteotomy is mainly used in the class deformity of spine patients such as serious lateral bending because congenital, the cause of disease such as wound or metabolic cause, rear convex and unstability.The cardinal principle of spinal osteotomy in operation, reaches correction deformity by a part of osseous tissue excising spinal column and recovers the object of spine balance, in spinal osteotomy operation, need various different instrument to complete whole operation.Wherein, very accurate position relationship is needed when resetting to osteotomy place, but in most cases to rely on the technical merit of doctor in the prior art, this brings certain limitation to operation, in addition effect and the safety of operation can also be affected, so need a kind of device be specifically designed to for intravertebral reduction in spinal osteotomy operation.
Utility model content
The technical problems to be solved in the utility model is that providing a kind of improves operation safety, and spinal osteotomy reset guide device easy to use, to overcome the above-mentioned defect of prior art.
In order to solve the problems of the technologies described above, this utility model adopts following technical scheme: a kind of spinal osteotomy reset guide device, comprise an arc-shaped slide rail and two poles, the upper end of described pole is operating side, lower end is provided with the connecting portion for being connected with human vertebrae, and the operating side of two poles is connected with the two ends of arc-shaped slide rail respectively.
Preferably, two upper each covers of pole have a sleeve pipe, sleeve pipe is fixedly connected with the first rotating shaft, the first rotating shaft is rotatably mounted with Connection Block, Connection Block is provided with the second rotating shaft rotationally; Second rotating shaft and the first rotating shaft perpendicular, the two ends of described arc-shaped slide rail are separately fixed in the second rotating shaft, between described first rotating shaft and Connection Block, are respectively equipped with lock part between the second rotating shaft and Connection Block.
Further, described lock part comprises a turncap and a spacing ring, described turncap is connected with the first rotating shaft, the second shaft thread, described spacing ring slidably but be enclosed within the first rotating shaft, the second rotating shaft un-rotatably, and described spacing ring is between Connection Block and turncap, the end face of described spacing ring side relative to described Connection Block is respectively equipped with the projection and groove that cooperatively interact, when spacing ring is pressed on Connection Block by described turncap, relatively rotating by locking between described Connection Block and the first rotating shaft, the second rotating shaft.
Further, described projection and groove are tooth-shape structure.
Preferably, the operating side of described pole is also connected with handle.
Preferably, described connecting portion is rod-like structure, and the lower end of described pole and the centre position of connecting portion fix.
Further, one end of described two connecting portions is oppositely arranged.
Further, one end that two connecting portions are relative is inner, and the other end is outer end, and the upper end of described pole tilts to the outer end of connecting portion, and after the connecting portion of two poles is connected with human vertebrae, the operating side of two poles is open-shaped.
Preferably, described arc-shaped slide rail comprises the arc track and arc shaped slider that match, and the inner of arc track and arc shaped slider is slidably matched mutually, and arc track is connected with the operating side of two poles respectively with the outer end of arc shaped slider.
As mentioned above, a kind of spinal osteotomy reset guide of this utility model device, has following beneficial effect:
This utility model by the first rotating shaft, the second rotating shaft, Connection Block, mating reaction can the installation of very convenient arc-shaped slide rail and two poles between sleeve pipe, can tackle different surgery situation; This utility model can prevent arc track and arc shaped slider from moving the generation of situations such as having some setbacks, stuck when sliding by the regulating action of the first rotating shaft and the second rotating shaft effectively.This utility model is in use except the motion between arc track and arc shaped slider, and other are and are rigidly connected, and therefore effectively ensure that accuracy and the precision of reset guide; This utility model is easy to use, Stability Analysis of Structures, not only increases operation safety, and the operation of returning doctor adds facility, effectively improves the work efficiency of doctor.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is top view of the present utility model.
Fig. 3 is three-dimensional view of the present utility model.
Fig. 4 is the enlarged drawing at A place in Fig. 3.
Fig. 5 is the embodiment schematic diagram of lock part in this utility model.
Fig. 6 is operation principle schematic diagram of the present utility model.
Fig. 7 is duty three-dimensional view of the present utility model.
In figure: 1 arc-shaped slide rail 11 arc track 12 arc shaped slider
111 spacing preiection 121 groove 2 poles
21 operating side 22 connecting portion 3 Connection Blocks
31 first rotating shaft 32 second rotating shaft 33 sleeve pipes
34 lock part 311 plane 341 turncaps
342 spacing ring 343 tooth-shape structure 4 handles
5 vertebra 6 bone screw
Detailed description of the invention
The structure that Figure of description illustrates, ratio, size etc., content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of this utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that this utility model can produce and the object that can reach, all should still drop in scope that technology contents that this utility model discloses can contain.Simultaneously, quote in this description as " on ", D score, "front", "rear", the term such as " centre ", also only for ease of understanding of describing, and be not used to limit the enforceable scope of this utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of this utility model.
Be a kind of spinal osteotomy reset guide of this utility model device as Figure 1-Figure 5, it comprises an arc-shaped slide rail 1 and two poles 2, the upper end of described pole 2 is operating side 21, the operating side 21 of connecting portion 22, two poles 2 that lower end is provided with for being connected with human vertebrae is connected with the two ends of arc-shaped slide rail 1 respectively.In the present embodiment, described arc-shaped slide rail 1 comprises match arc track 11 and arc shaped slider 12, the inner of arc track 11 and arc shaped slider 12 is slidably matched mutually, the outer end of arc track 11 is connected with the operating side 21 of a pole 2, and the outer end of arc shaped slider 12 is connected with the operating side 21 of another pole 2.After the connecting portion 22 on two poles 2 connects from two sections of different vertebras of human body respectively, two operating sides 21 are open-shaped, and two operating sides 21 can be done relative motion by the effect of arc track 11 and arc shaped slider 12, and then complete osteotomy reset work.
As shown in Figure 3, Figure 4, on two poles 2, each cover has a sleeve pipe 33, sleeve pipe 33 is fixedly connected with the first rotating shaft 31, first rotating shaft 31 is rotatably mounted with Connection Block 3, described Connection Block 3 is provided with rotationally the second rotating shaft 32, second rotating shaft 32 and the first rotating shaft 31 perpendicular, in the present embodiment, described arc track 11 is fixed in second rotating shaft 32, arc shaped slider 12 is fixed in another second rotating shaft 32, be provided with lock part 34 between described first rotating shaft 31 and Connection Block 3, between described second rotating shaft 32 and Connection Block 3, be provided with lock part 34; Can, by the first rotating shaft 31, second rotating shaft 32 and Connection Block 3 locking, the first rotating shaft 31, second rotating shaft 32 all can not be rotated relative to Connection Block 3 by the effect of lock part 34.
The first rotating shaft 31 in this utility model and the second rotating shaft 32 mainly play regulating action: when two the first rotating shafts 31 are in rotatable state relative to Connection Block 3, Connection Block 3 can move around the first rotating shaft 31 with arc-shaped slide rail 1, and then adjustment arc-shaped slide rail 1 position, so that the operation of operation; When two the second rotating shafts 32 are in rotatable state relative to Connection Block 3, one of them second rotating shaft 32 can be rotated with arc track 11, another second rotating shaft 32 can be rotated with arc shaped slider 12, the cooperation between arc track 11 and arc shaped slider 12 can be adjusted by the rotary action of two the second rotating shafts 32, make the slip between arc track 11 and arc shaped slider 12 more smooth and easy, the phenomenon such as prevent the motion that may exist inconvenient, even stuck.In addition, because this utility model is first be fixed on the vertebra of human body by two poles 2 when reality uses, then arc track 1 is arranged on two poles 2 with two Connection Blocks 3 and the sleeve pipe 33 that is connected with Connection Block 3, so can also conveniently be matched with pole 2 by sleeve pipe 33 by the matching relationship between Connection Block 3, first rotating shaft 31, second rotating shaft 32 when mounted, namely facilitate the installation of arc-shaped slide rail 1 and two poles 2.Allow coordinating to install and being more prone to of arc-shaped slide rail 1 and pole 2 by the effect of the first rotating shaft 31 and the second rotating shaft 32 in the present embodiment, and can make adjustment according to the practical situation of vertebra during operation, meet the needs of operation greatly.When performing the operation, the first rotating shaft 31, second rotating shaft 32 in this utility model is all in lockup state, to ensure the carrying out of osteotomy reset working stability.
Lock part 34 described in this utility model can have numerous embodiments, and the first rotating shaft 31 is identical with the fit structure of lock part 34 with lock part 34, second rotating shaft 32, so be only described with the first rotating shaft 31 below.Such as described lock part 34 is limit bolts, and described Connection Block 3 is provided with multiple through hole, and described first rotating shaft 31 is provided with multiple hole relative with through hole on Connection Block 3, and limit bolt first through base 3, then is located in the first rotating shaft 31 to realize locking; Described lock part 34 can also be key, the inwall of described Connection Block 3 and the outer wall of the first rotating shaft 31 offer many elongated slots offered vertically respectively, a hole can be formed after the elongated slot on Connection Block 3 aligns with the elongated slot in the first rotating shaft 31, key is inserted in hole and realizes locking.Preferred implementation in this utility model is: as shown in Figure 3-Figure 5, described lock part 34 comprises turncap 341 and a spacing ring 342, described turncap 341 is threaded with the first rotating shaft 31, described spacing ring 342 can slide but cannot be enclosed within the first rotating shaft 31 rotationally, and described spacing ring 342 is between Connection Block 3 and turncap 341, described spacing ring 342 is respectively equipped with on the end face of the described relative side of Connection Block 3 projection and groove that cooperatively interact, when described turncap 341 to promote because of rotating spacing ring 342 move to Connection Block 3 side time, described spacing ring 342 can be pressed on and Connection Block 3 allow projection and fit depressions, also just make can not produce relative rotation between Connection Block 3 and the first rotating shaft 31, realize the locking to the first rotating shaft 31, described second rotating shaft 32 is identical with structural principle with the embodiment between the first rotating shaft 31 and Connection Block 3 with the embodiment between Connection Block 3.In this utility model, projection between described spacing ring 342 and Connection Block 3 and groove can have one group, also many groups can be had, match for the ease of spacing ring 342 and Connection Block 3, in the present embodiment preferably, described projection and groove are tooth-shape structure 343, and further, described tooth-shape structure 343 is distributed on the end face of Connection Block 3 side relative to spacing ring 342 ringwise, guarantee that the torsion between spacing ring 342 and Connection Block 3 is evenly distributed further, ensure working stability and service life.
As Fig. 4, shown in Fig. 5, for the first rotating shaft 31, lock part 34 mounting means in the present embodiment is: be first enclosed within by spacing ring 342 in first rotating shaft 31, then the first rotating shaft 31 is located on Connection Block 3, one end that first rotating shaft 31 passes is fixedly connected with sleeve pipe 33 outer wall, finally being threaded connection by turncap 341 is spun in the first rotating shaft 31, under normality, turncap 341 can not screw in dark, guarantee that spacing ring 342 is not locked with Connection Block 3 to coordinate, first rotating shaft 31 freely can be rotated on Connection Block 31, when needs locking first rotating shaft 31 and Connection Block 3, operate turncap 341 again spacing ring 342 is promoted to carry out locking to Connection Block 3 side.
In this utility model, can not implement structure in relative rotation between the spacing ring 342 of described lock part 34 and the first rotating shaft 31, second rotating shaft 32 has multiple, is only described with the first rotating shaft 31 below.Such as the first rotating shaft 31 is provided with the elongated slot offered vertically, and spacing ring 342 is provided with the projection matched with elongated slot.In the present embodiment, as shown in Figure 5, the outer wall of described first rotating shaft 31 is provided with plane 311 vertically, in order to make torsion balance, described plane 311 is provided with two, the axisymmetrical of two relative first rotating shafts 31 of plane 311, shape and first rotating shaft 31 of described spacing ring 342 adapt, and then prevent itself and the first rotating shaft 31 from relatively rotating.
In the present embodiment, the operating side 21 of described pole 2 is also connected with handle 4, can the arm of force be increased by handle 4, in addition, handle 4 can also arranging rubber sleeve or helicitic texture is set, increasing the frictional force between itself and palm, preventing doctor's palm when operating from skidding.
Connecting portion 22 described in the present embodiment is rod-like structure, and the lower end of described pole 2 and the centre position of connecting portion 22 fix, and connecting portion 22 has nail, and connecting portion 22 is arranged on vertebra by bone screw and Bolt-hole fits.Further, for the ease of operation and installation, one end of described two connecting portions 22 is oppositely arranged.In the present embodiment preferably, for the ease of operation, one end that two connecting portions 22 are relative be the inner, the other end is outer end, the upper end of described pole 2 tilts to the outer end of connecting portion 22, and after the connecting portion 22 of two poles 2 is connected with human vertebrae, the operating side 21 of two poles 22 is open-shaped.
In the present embodiment, as shown in Figure 2, the inner of described arc track 11 is provided with spacing preiection 111, and described arc shaped slider 12 has groove 121 along bending direction, described spacing preiection 111 matches with described groove 121, and then prevents arc track 11 to be separated with arc shaped slider 12 disengagement.Arc track 11 described in the present embodiment and arc shaped slider 12 are all provided with multiple cross bar, so, groove 121 on arc shaped slider 12 is provided with multiple and is all opened on cross bar, and the end of the inner of described arc shaped slider 12 does not have groove, and then prevents arc shaped slider 12 from skidding off arc track.
Composition graphs 1-Fig. 7, using method of the present utility model and principle are:
One, two poles 2 being fixed on centre by connecting portion 22 has on two vertebras 5 of osteotomy, and connecting portion 22 is fixed on vertebra 5 by bone screw 6, and during installation, the operating portion 21 of two poles 2 is open-shaped;
Two, all lock parts 34 are opened, the first rotating shaft 31, second rotating shaft 32 is allowed to be in rotatable state, sleeve pipe 33 is also in can rotary state, adjustable state is all between arc track 11 and Connection Block 3, between arc shaped slider 12 and Connection Block 3, be enclosed within by sleeve pipe 33 on operating side 21, operating side 21 is stretched out from sleeve pipe 33;
Three, handle 4 is arranged on operating side 21 that pole 2 stretches out from sleeve pipe 33;
Four, the turncap 341 of all lock parts 34 is rotated, first rotating shaft 31, second rotating shaft 32 all can not be rotated relative to Connection Block 3, namely be now between all parts and be rigidly connected, because rigidly connected relation, so there will not be deviation in subsequent reset process, so good guide effect can be played;
Five, as shown in Figure 7, doctor operates two handles 4, two poles 2 are driven to do relative motion on two handles 4, there is the vertebra 5 of osteotomy to draw close to centre by two centres and fit, osteotomy place is eliminated, so far complete the reset guide at spinal osteotomy place, after resetting, doctor proceeds other operation techniques.
In sum, a kind of spinal osteotomy reset guide of this utility model device, can solve reset difficulty in osteotomy place in spinal osteotomy operation, locate inaccurate problem.So this utility model effectively overcomes practical problems more of the prior art thus has very high value and use meaning.
Above-mentioned embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting this utility model.This utility model also has many aspects can improve under the prerequisite of overall thought, all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or change for person skilled in the art scholar.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that this utility model discloses, must be contained by claim of the present utility model.
Claims (9)
1. a spinal osteotomy reset guide device, it is characterized in that: comprise an arc-shaped slide rail (1) and two poles (2), the upper end of described pole (2) is operating side (21), lower end is provided with the connecting portion (22) for being connected with human vertebrae, and the operating side (21) of two poles (2) is connected with the two ends of arc-shaped slide rail (1) respectively.
2. spinal osteotomy reset guide device according to claim 1, it is characterized in that: two pole (2) Shang Getao have a sleeve pipe (33), sleeve pipe (33) is fixedly connected with the first rotating shaft (31), first rotating shaft (31) is rotatably mounted with Connection Block (3), Connection Block (3) is provided with rotationally the second rotating shaft (32); Second rotating shaft (32) is perpendicular with the first rotating shaft (31), the two ends of described arc-shaped slide rail (1) are separately fixed in the second rotating shaft (32), between described first rotating shaft (31) and Connection Block (3), are respectively equipped with lock part (34) between the second rotating shaft (32) and Connection Block (3).
3. spinal osteotomy reset guide device according to claim 2, it is characterized in that: described lock part (34) comprises a turncap (341) and a spacing ring (342), described turncap (341) and the first rotating shaft (31), second rotating shaft (32) is threaded, described spacing ring (342) slidably but be enclosed within the first rotating shaft (31) un-rotatably, in second rotating shaft (32), and described spacing ring (342) is positioned between Connection Block (3) and turncap (341), described spacing ring (342) is respectively equipped with on the end face of described Connection Block (3) relative side the projection and groove that cooperatively interact, when spacing ring (342) is pressed on Connection Block (3) by described turncap (341), described Connection Block (3) and the first rotating shaft (31), relatively rotating by locking between the second rotating shaft (32).
4. spinal osteotomy reset guide device according to claim 3, is characterized in that: described projection and groove are tooth-shape structure (343).
5. spinal osteotomy reset guide device according to claim 1, is characterized in that: the operating side (21) of described pole (2) is also connected with handle (4).
6. spinal osteotomy reset guide device according to claim 1, is characterized in that: described connecting portion (22) is rod-like structure, and the lower end of described pole (2) and the centre position of connecting portion (22) fix.
7. spinal osteotomy reset guide device according to claim 6, is characterized in that: one end of described two connecting portions (22) is oppositely arranged.
8. spinal osteotomy reset guide device according to claim 7, it is characterized in that: the relative one end of two connecting portions (22) is for inner, the other end is outer end, the upper end of described pole (2) tilts to the outer end of connecting portion (22), after the connecting portion (22) of two poles (2) is connected with human vertebrae, the operating side (21) of two poles (22) is open-shaped.
9. spinal osteotomy reset guide device according to claim 1, it is characterized in that: described arc-shaped slide rail (1) comprises the arc track (11) and arc shaped slider (12) that match, the inner of arc track (11) and arc shaped slider (12) is slidably matched mutually, and arc track (11) is connected with the operating side (21) of two poles (2) respectively with the outer end of arc shaped slider (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420658947.7U CN204260804U (en) | 2014-11-05 | 2014-11-05 | Spinal osteotomy reset guide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420658947.7U CN204260804U (en) | 2014-11-05 | 2014-11-05 | Spinal osteotomy reset guide device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204260804U true CN204260804U (en) | 2015-04-15 |
Family
ID=52795710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420658947.7U Withdrawn - After Issue CN204260804U (en) | 2014-11-05 | 2014-11-05 | Spinal osteotomy reset guide device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204260804U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105615965A (en) * | 2014-11-05 | 2016-06-01 | 上海三友医疗器械有限公司 | Reduction guide device for spinal osteotomy |
| CN107440777A (en) * | 2017-08-09 | 2017-12-08 | 中国人民解放军第二军医大学第二附属医院 | A kind of anterior approach rotates orthopedic vertebrae strutting device |
-
2014
- 2014-11-05 CN CN201420658947.7U patent/CN204260804U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105615965A (en) * | 2014-11-05 | 2016-06-01 | 上海三友医疗器械有限公司 | Reduction guide device for spinal osteotomy |
| CN105615965B (en) * | 2014-11-05 | 2018-05-25 | 上海三友医疗器械股份有限公司 | Spinal osteotomy reset guide device |
| CN107440777A (en) * | 2017-08-09 | 2017-12-08 | 中国人民解放军第二军医大学第二附属医院 | A kind of anterior approach rotates orthopedic vertebrae strutting device |
| CN107440777B (en) * | 2017-08-09 | 2020-05-08 | 中国人民解放军第二军医大学第二附属医院 | Cervical anterior rotation orthopedic vertebral body spreader |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201807 Jiading District Jia Tang Road, Shanghai, No. 1988 Patentee after: Shanghai Sanyou medical equipment Limited by Share Ltd Address before: 201807 Jiading District Jia Tang Road, Shanghai, No. 1988 Patentee before: Shanghai Sanyou Medical Devices Co., Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150415 Effective date of abandoning: 20180525 |