CN211534735U - Spine vertebral body dilator - Google Patents
Spine vertebral body dilator Download PDFInfo
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- CN211534735U CN211534735U CN201922389399.8U CN201922389399U CN211534735U CN 211534735 U CN211534735 U CN 211534735U CN 201922389399 U CN201922389399 U CN 201922389399U CN 211534735 U CN211534735 U CN 211534735U
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Abstract
The utility model belongs to the technical field of chest lumbar vertebrae clinical treatment equipment technique and specifically relates to a backbone centrum struts ware, indulge including first and put sleeve, second and put the sleeve. The utility model discloses a backbone centrum struts ware comes swing joint two to indulge and puts sleeve and two racks through four adjusting part, it adjusts to drive the translation through the upset handle on the adjusting part drive adjusting gear rotation, indulge on putting the sleeve through single, it can freely adjust this longitudinal sleeve's rotation angle to put adjusting part cooperation down, installation elasticity upset locking device fixes spacingly to adjusting part's position on adjusting part, the internal thread through-hole of seting up built-in external screw thread check rod on adjusting part is utilized simultaneously, it is fixed with the spacing tooth's socket meshing of indulging on the flexible vaulting pole to drive flexible locating piece inward translation through the external screw thread check rod, thereby strut length to the ware fixes, make its application scope promote greatly, and easy operation is convenient, and is nimble changeable.
Description
Technical Field
The utility model belongs to the technical field of chest lumbar vertebrae clinical therapy equipment technique and specifically relates to a spine centrum struts ware.
Background
When the vertebral body dilator is generally used for thoracic lumbar vertebra and vertebral body injury, the vertebral body is distracted and reset, and meanwhile, the vertebral body can be corrected, so that the existing clinical vertebral column vertebral body distracter is unstable in distraction, easy to slip and incapable of being locked; the vertebral body can be expanded only simply, and the vertebral body can not be expanded, compressed and shaped by matching with the pedicle screw, so that the application range is single; large volume, heavy weight and large operation wound.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problems of the prior art, an improved spine vertebral body spreader is provided.
The utility model provides a technical scheme that its technical problem adopted is: a spine vertebral body distracter comprises a first longitudinal sleeve, a second longitudinal sleeve, a first upper adjusting component fixedly arranged on the first longitudinal sleeve, a first lower adjusting component, a second upper adjusting component fixedly arranged on the second longitudinal sleeve, a second lower adjusting component, an upper rack transversely connected inside the first upper adjusting component and the second upper adjusting component, and a lower rack transversely connected inside the first lower adjusting component and the second lower adjusting component, wherein telescopic support rods are respectively inserted into the first longitudinal sleeve and the second longitudinal sleeve, the upper ends of the first upper adjusting component, the first lower adjusting component, the second upper adjusting component and the second lower adjusting component are respectively provided with an upward convex integrated movable support, an adjusting gear meshed with the rack at the corresponding position is arranged on the inner side of the movable support, and a turning handle for controlling the rotation of the adjusting gear is arranged on the outer side of the movable support, the first upper adjusting assembly, the first lower adjusting assembly, the second upper adjusting assembly and the second lower adjusting assembly are provided with internal thread through holes internally provided with external thread locking rods, and the front surfaces of the first upper adjusting assembly, the first lower adjusting assembly, the second upper adjusting assembly and the second lower adjusting assembly are movably connected with an elastic overturning locking device.
Further, in order to conveniently lock the internal telescopic length, the first longitudinal sleeve and the second longitudinal sleeve are provided with telescopic through holes with built-in telescopic positioning blocks on the inner side faces of the longitudinal sleeves, the external thread locking rod is inserted into the telescopic positioning block through a rotating shaft of an integrated structure of the inner end to control the telescopic positioning block to perform telescopic translation in the telescopic through holes, the telescopic support rod corresponds to the outer side faces of the telescopic positioning blocks and is provided with longitudinal limiting tooth grooves, the inner side faces of the telescopic positioning blocks are provided with limiting tooth surfaces matched with the longitudinal limiting tooth grooves, and the telescopic positioning blocks are meshed and fixed with the longitudinal limiting tooth grooves on the telescopic support rod through inward translation.
Furthermore, in order to conveniently independently lock the positions of the assemblies, the elastic overturning locking device comprises a front overturning adjusting block movably connected to the front of the first upper adjusting assembly, the first lower adjusting assembly, the second upper adjusting assembly and the second lower adjusting assembly through a rotating shaft, a rear locking block arranged at the rear side of the first upper adjusting assembly, the first lower adjusting assembly, the second upper adjusting assembly and the second lower adjusting assembly, and a transverse linkage rod used for connecting the front overturning adjusting block and the rear locking block, wherein the front rear sides of the first upper adjusting assembly, the first lower adjusting assembly, the second upper adjusting assembly and the second lower adjusting assembly are provided with arc-shaped adjusting holes matched with the transverse linkage rod to overturn.
Furthermore, in order to reduce cost and facilitate assembly and adjustment, the first upper adjusting component, the first lower adjusting component, the second upper adjusting component and the second lower adjusting component are the same in size.
Further, in order to improve the locking safety, the lower end of the arc-shaped adjusting hole is provided with a bottom limiting clamping groove.
Furthermore, in order to facilitate overturning and storage, the connecting end of the overturning handle is provided with a lateral mounting groove with a built-in longitudinal rotating shaft, and the overturning handle longitudinally penetrates through the rotating shaft at the front end of the adjusting gear and is axially and movably connected with the adjusting gear through the longitudinal rotating shaft inside the lateral mounting groove.
The beneficial effects of the utility model are that, the utility model discloses a backbone centrum distractor comes swing joint two to indulge and puts sleeve and two racks through four adjusting part, it drives the translation regulation to drive adjusting gear rotation through the upset handle on the adjusting part, on indulging on putting the sleeve through single, it can freely adjust this indulge telescopic rotation angle of putting to put adjusting part cooperation down, installation elasticity upset locking device comes to fix spacing to adjusting part's position on adjusting part, utilize the internal thread through-hole of seting up built-in external screw thread check rod on adjusting part simultaneously, it is fixed with the spacing tooth's socket meshing of indulging on the flexible vaulting pole of flexible locating piece inward translation through the external screw thread check rod drive, thereby the vaulting pole length to the distractor is fixed, make its application scope promote greatly, easy operation is convenient, it is nimble changeable.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view of the first longitudinally-arranged sleeve connection end of the present invention.
In the drawing, 1, a first longitudinally-arranged sleeve, 2, a second longitudinally-arranged sleeve, 3, a first upper adjusting component, 4, a first lower adjusting component, 5, a second upper adjusting component, 6, a second lower adjusting component, 7, an upper rack, 8, a lower rack, 9, a telescopic stay bar, 10, a movable support, 11, an adjusting gear, 12, a turnover handle, 13, an external thread locking rod, 14, an internal thread through hole, 15, a telescopic positioning block, 16, a telescopic through hole, 17, a longitudinally-arranged limiting tooth groove, 18, a front turnover adjusting block, 19, a rear locking block, 20, a transverse linkage rod, 21, an arc adjusting hole, 22, a bottom limiting clamping groove and 23, and a lateral mounting groove are arranged.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The vertebral column vertebral body distracter shown in fig. 1 and fig. 2 comprises a first longitudinal sleeve 1, a second longitudinal sleeve 2, a first upper adjusting component 3 fixedly arranged on the first longitudinal sleeve 1, a first lower adjusting component 4, a second upper adjusting component 5 fixedly arranged on the second longitudinal sleeve 2, a second lower adjusting component 6, an upper rack 7 transversely connected inside the first upper adjusting component and the second upper adjusting component and a lower rack 8 transversely connected inside the first lower adjusting component and the second lower adjusting component, telescopic supporting rods 9 are respectively inserted inside the first longitudinal sleeve 1 and the second longitudinal sleeve 2, the upper ends of the first upper adjusting component 3, the first lower adjusting component 4, the second upper adjusting component 5 and the second lower adjusting component 6 are respectively provided with an integral movable support 10 protruding upwards, an adjusting gear 11 meshed with the racks at corresponding positions is arranged inside the movable support 10, the outer side of the movable support 10 is provided with a turnover handle 12 for controlling the rotation of the adjusting gear 11, an internal thread through hole 14 of a built-in external thread locking rod 13 is formed in the first upper adjusting component 3, the first lower adjusting component 4, the second upper adjusting component 5 and the second lower adjusting component 6, and the front surfaces of the first upper adjusting component 3, the first lower adjusting component 4, the second upper adjusting component 5 and the second lower adjusting component 6 are movably connected with an elastic turnover locking device.
Furthermore, in order to lock the internal telescopic length conveniently, the inner side surfaces of the first longitudinal sleeve 1 and the second longitudinal sleeve 2 are provided with telescopic through holes 16 with built-in telescopic positioning blocks 15, the external thread locking rod 13 is inserted into the telescopic positioning blocks 15 through an inner end integrated structure rotating shaft to control the telescopic positioning blocks 14 to telescopically translate in the telescopic through holes 16, the telescopic support rod 9 corresponding to the outer side surfaces of the telescopic positioning blocks 15 is provided with a longitudinal limiting tooth groove 17, the inner side surface of the telescopic positioning block 15 is provided with a limiting tooth surface matched with the longitudinal limiting tooth groove 17, the telescopic positioning blocks 15 are meshed and fixed with the longitudinal limiting tooth grooves 17 on the telescopic support rod 9 through inward translation, further, in order to independently lock the positions of the components conveniently, the elastic overturning locking device comprises a first upper adjusting component 3, a first lower adjusting component 4, a second upper adjusting component 3, a second lower, The front overturning adjusting block 18 of the front of the second upper adjusting component 5 and the second lower adjusting component 6, the rear locking block 19 arranged at the rear side of the first upper adjusting component 3, the first lower adjusting component 4, the second upper adjusting component 5 and the second lower adjusting component 6 and the transverse linkage rod 20 used for connecting the front overturning adjusting block 18 and the rear locking block 19, and the front rear sides of the first upper adjusting component 3, the first lower adjusting component 4, the second upper adjusting component 5 and the second lower adjusting component 6 are provided with arc-shaped adjusting holes 21 matched with the transverse linkage rod 20 to overturn.
Further, for reduce cost, conveniently assemble the regulation, first overhead regulating assembly 3, first lower regulating assembly 4, second overhead regulating assembly 5 are the same with the 6 size of second lower regulating assembly, and further, in order to promote the locking security, the spacing draw-in groove 22 in bottom has been seted up to arc regulation hole 21 lower extreme.
Further, accomodate for the convenience of overturning, the side direction mounting groove 23 of built-in vertical pivot is seted up to upset handle 12 link, upset handle 12 vertically runs through 11 front ends pivots of adjusting gear and 11 axial swing joint of adjusting gear through the inside vertical pivot of side direction mounting groove 23, the utility model discloses a backbone centrum struts ware comes swing joint two through four adjusting part and indulges and put sleeve and two racks, drives adjusting gear 11 rotation through the upset handle 12 on the adjusting part and comes the translation regulation, through single indulge on putting the sleeve, lower adjusting part cooperatees and can freely adjust this indulge telescopic flip angle, installation elasticity upset locking device on adjusting part comes to fix spacingly to adjusting part's position, utilizes the internal thread through-hole 14 of seting built-in external screw thread check lock bar 13 on adjusting part simultaneously, drives the inboard translation of flexible locating piece 15 and the spacing tooth's socket 17 meshes of indulging on the flexible vaulting pole 9 through external screw thread check lock The length of the support rod of the spreader is fixed, so that the application range of the spreader is greatly expanded, and the spreader is simple, convenient, flexible and changeable to operate.
The utility model discloses backbone centrum struts ware, its function can cooperate sleeve and pedicle of vertebral arch nail to the chest lumbar vertebrae centrum strut with the operation of compression, it is orthopedic to reach the backbone, and the centrum is carried and is carried purposes such as reseing. The spreader comprises two racks and two sleeves of 4 handles, 4 handles can be arbitrarily and singly spread and compressed, various angles and distances can be adjusted to support the function of the sleeve lengthening arm, and the spreader can be matched with minimally invasive surgery.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a backbone centrum struts ware, indulge including first indulge and put sleeve (1), sleeve (2) are put to the second, fixed mounting indulges first overhead adjusting part (3) of putting on sleeve (1), first adjusting part (4) put down, fixed mounting indulges second overhead adjusting part (5) of putting on sleeve (2) at the second, adjusting part (6) are put down to the second, transverse connection is first, the inside overhead rack (7) of second overhead adjusting part and transverse connection are first, the inside lower rack (8) of second underneath adjusting part, characterized by: the first longitudinal sleeve (1) and the second longitudinal sleeve (2) are internally provided with telescopic support rods (9) in an inserted mode, the upper ends of the first upper adjusting component (3), the first lower adjusting component (4), the second upper adjusting component (5) and the second lower adjusting component (6) are respectively provided with an integral movable support (10) protruding upwards, the inner side of the movable support (10) is provided with an adjusting gear (11) meshed with a rack at a corresponding position, the outer side of the movable support (10) is provided with a turnover handle (12) used for controlling the rotation of the adjusting gear (11), the first upper adjusting component (3), the first lower adjusting component (4), the second upper adjusting component (5) and the second lower adjusting component (6) are provided with inner thread through holes (14) internally provided with outer thread locking rods (13), and the first upper adjusting component (3) and the second upper adjusting component (2) are respectively provided with telescopic support rods (9) in an inserted mode, The front surfaces of the first lower adjusting component (4), the second upper adjusting component (5) and the second lower adjusting component (6) are movably connected with an elastic overturning locking device.
2. The spinal vertebral body distractor of claim 1, wherein: first indulge and put sleeve (1) and second indulge and put telescopic through-hole (16) of seting up built-in flexible locating piece (15) on putting sleeve (2) medial surface, external screw thread check lock pole (13) insert flexible locating piece (15) internal control through integrative structure pivot of medial extremity and stretch out and draw back the translation in flexible through-hole (16) inside, flexible vaulting pole (9) correspond and stretch out and draw back and set up on locating piece (15) lateral surface and indulge and put spacing tooth's socket (17), flexible locating piece (15) on have and indulge and put spacing tooth's socket (17) matched with spacing tooth face, flexible locating piece (15) through inwards translating with stretch out and draw back the spacing tooth's socket (17) meshing of indulging on vaulting pole (9).
3. The spinal vertebral body distractor of claim 1, wherein: the elastic overturning locking device comprises a front overturning adjusting block (18) movably connected with the front of the first upper adjusting component (3), the first lower adjusting component (4), the second upper adjusting component (5) and the second lower adjusting component (6) through a rotating shaft, a rear locking block (19) arranged at the rear side of the first upper adjusting component (3), the first lower adjusting component (4), the second upper adjusting component (5) and the second lower adjusting component (6) and a transverse linkage rod (20) used for connecting the front overturning adjusting block (18) and the rear locking block (19), the front side of the rear side of the first upper adjusting component (3), the first lower adjusting component (4), the second upper adjusting component (5) and the second lower adjusting component (6) is provided with an arc-shaped adjusting hole (21) which is matched with the transverse linkage rod (20) to overturn.
4. The spinal vertebral body distractor of claim 1, wherein: the first upper adjusting component (3), the first lower adjusting component (4), the second upper adjusting component (5) and the second lower adjusting component (6) are the same in size.
5. A spinal vertebral distractor according to claim 3, wherein: the lower end of the arc-shaped adjusting hole (21) is provided with a bottom limiting clamping groove (22).
6. The spinal vertebral body distractor of claim 1, wherein: the side direction mounting groove (23) of built-in longitudinal direction pivot are seted up to upset handle (12) link, upset handle (12) vertically run through adjusting gear (11) front end pivot and adjusting gear (11) axial swing joint through the inside longitudinal direction pivot of side direction mounting groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922389399.8U CN211534735U (en) | 2019-12-26 | 2019-12-26 | Spine vertebral body dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922389399.8U CN211534735U (en) | 2019-12-26 | 2019-12-26 | Spine vertebral body dilator |
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| Publication Number | Publication Date |
|---|---|
| CN211534735U true CN211534735U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922389399.8U Active CN211534735U (en) | 2019-12-26 | 2019-12-26 | Spine vertebral body dilator |
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| CN (1) | CN211534735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401953A (en) * | 2020-10-20 | 2021-02-26 | 广东施泰宝医疗科技有限公司 | Temporary distraction fixing device for vertebroplasty |
-
2019
- 2019-12-26 CN CN201922389399.8U patent/CN211534735U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401953A (en) * | 2020-10-20 | 2021-02-26 | 广东施泰宝医疗科技有限公司 | Temporary distraction fixing device for vertebroplasty |
| CN112401953B (en) * | 2020-10-20 | 2022-08-05 | 广东施泰宝医疗科技有限公司 | Temporary distraction fixing device for vertebroplasty |
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