CN213722159U - Exposure apparatus for placing nail without ray in posterior spinal column - Google Patents
Exposure apparatus for placing nail without ray in posterior spinal column Download PDFInfo
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- CN213722159U CN213722159U CN202022117581.0U CN202022117581U CN213722159U CN 213722159 U CN213722159 U CN 213722159U CN 202022117581 U CN202022117581 U CN 202022117581U CN 213722159 U CN213722159 U CN 213722159U
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- rod
- handle
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- ray
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 abstract description 4
- 241000252185 Cobitidae Species 0.000 abstract 1
- 230000006978 adaptation Effects 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 206010027476 Metastases Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009401 metastasis Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000005198 spinal stenosis Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of surgical instruments, and a backbone way of escape does not have ray and puts exposure apparatus of nail is disclosed, the loach carrying platform comprises a supporting bar, the one end fixedly connected with inflection pole of bracing piece, the spacing groove has all been seted up to the both sides of inflection pole, the other end fixedly connected with handle of bracing piece, anti-skidding line has been seted up to the surface of handle, the handle is kept away from the one end of bracing piece and has been seted up spacing fixed slot, the through hole has been seted up in the axle center of handle, the inside of inflection pole is pegged graft and is had the telescopic link, the one end fixedly connected with exposure head of inflection pole is kept away from to the telescopic link. This exposure apparatus of nail is put to backbone way nonradiation sets up cavity through the inside with the turning pole, and sets up the telescopic link and be connected with the turning pole through supporting the slide bar, adjusts the head through rotating when using, makes the metal steel cable rotate to realize carrying out telescopic control to the telescopic link through the cooperation of screw thread head and screw hole, reached length adjustable effect.
Description
Technical Field
The utility model relates to the technical field of surgical instruments, in particular to an exposure instrument for a posterior spine radiographic nail placement.
Background
The pedicle screw technology has been developed rapidly since the 80 s of the last century, and has been widely applied to the surgical treatment of diseases such as spinal degeneration, vertebral body slippage, spinal stenosis, vertebral body fracture, deformity, bone metastasis, spinal instability and the like. Currently, pedicle screws are one of the most widely used internal fixation instruments in spinal surgery.
In traditional spinal surgery, generally will use and expose the apparatus and open the operation position to make things convenient for the doctor to carry out medical operation, traditional exposure apparatus all is the fixed length, but the patient because the difference of size and physical conditions, its fat thickness has the difference, if uses the medical instrument of fixed length, then can be very inconvenient in the use.
Therefore, the applicant proposes a spine posterior ray-free nail-setting exposure apparatus for solving the problem mentioned in the background art that the conventional machine cannot adjust the length according to the physical condition of the patient.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a spinal column way of escape does not have ray and puts exposure apparatus of nail, possesses advantages such as adjustable, has solved the problem that the traditional device that mentions in the above-mentioned background art can't adjust.
(II) technical scheme
For the purpose of realizing above-mentioned adjustable, the utility model provides a following technical scheme: the utility model provides a spinal column way of escape does not have ray and puts exposure apparatus of nail, includes the bracing piece, the one end fixedly connected with inflection pole of bracing piece, the spacing groove has all been seted up to the both sides of inflection pole, the other end fixedly connected with handle of bracing piece, anti-skidding line has been seted up to the surface of handle, the handle is kept away from the one end of bracing piece and has been seted up spacing fixed slot, the through hole has been seted up in the axle center of handle.
The inside of turning pole is pegged graft and is had the telescopic link, the one end fixedly connected with exposure head of turning pole is kept away from to the telescopic link, the one end fixedly connected with that the telescopic link is close to the turning pole supports the slide bar, the surface left end fixedly connected with stopper that supports the slide bar, the left end set up threaded hole of telescopic link.
The left end swing joint of handle has the regulation head, the right-hand member fixedly connected with of regulation head connects the spacing ring, the right-hand member fixedly connected with metal steel cable of connecting the spacing ring, the tail end of metal steel cable is provided with the thread head.
Preferably, the inside of the turning rod is hollow, and the hollow inside of the turning rod is matched with the distance between the supporting sliding rods.
Preferably, the diameter of the inner wall of the limiting fixing groove is larger than the caliber of the left end of the limiting fixing groove, and the through hole penetrates through the axis of the handle and extends to the inside of the turning rod.
Preferably, the number of the supporting slide bars is two, and the outer surfaces of the two supporting slide bars are lapped with the inner wall of the turning rod.
Preferably, the quantity of stopper is two, two the stopper is located two opposite faces that support the slide bar, just the surface of stopper and the inner wall sliding connection of spacing groove, and the surface level of the surface of stopper and the surface of turning pole.
Preferably, the depth of the threaded hole is equal to the length of the supporting sliding rod, and the outer surface of the connecting limiting ring is in lap joint with the inner wall of the limiting fixing groove.
Preferably, the diameter of the metal steel rope is matched with that of the through hole, the metal steel rope penetrates through the through hole and extends into the threaded hole, the threaded head is in threaded connection with the inner wall of the threaded hole, and the length of the threaded head is matched with the depth of the threaded hole.
Compared with the prior art, the utility model provides a spinal column back-way does not have ray and puts exposure apparatus of nail possesses following beneficial effect:
1. this exposure apparatus of nail is put to backbone way nonradiation sets up cavity through the inside with the turning pole, and sets up the telescopic link and be connected with the turning pole through supporting the slide bar, adjusts the head through rotating when using, makes the metal steel cable rotate to realize carrying out telescopic control to the telescopic link through the cooperation of screw thread head and screw hole, reached length adjustable effect.
2. This exposure apparatus of nail is put to backbone way of lack ray sets up two support slide bars through the one end at the telescopic link to be connected through stopper and turn pole inside, after the operation, can dismantle the telescopic link and get off and change after the restraint that can make the stopper drop the spacing groove through pressing down the stopper, avoided changing whole device, reached the effect of saving the cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the support rod of the present invention;
FIG. 3 is a schematic view of the telescopic rod of the present invention;
fig. 4 is a schematic view of the structure of the adjusting head of the present invention.
Wherein: 1. a support bar; 2. a turning rod; 3. a limiting groove; 4. a handle; 5. anti-skid lines; 6. a limiting fixing groove; 7. a through hole; 8. a telescopic rod; 9. exposing the head; 10. supporting the sliding rod; 11. a limiting block; 12. a threaded hole; 13. an adjustment head; 14. connecting a limiting ring; 15. a metal steel cord; 16. and (4) a thread head.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a spine posterior ray-free nail exposure apparatus comprises a support rod 1, one end of the support rod 1 is fixedly connected with a turning rod 2, the turning rod 2 is hollow, the hollow inside of the turning rod 2 is matched with the space between support slide rods 10, both sides of the turning rod 2 are provided with limiting grooves 3, the limiting grooves 3 are used for limiting the expansion range of an expansion rod 8 by matching with the support slide rods 10, the other end of the support rod 1 is fixedly connected with a handle 4, the handle 4 is used for being conveniently taken by a user, the outer surface of the handle 4 is provided with anti-skid threads 5, the anti-skid threads 5 are used for increasing friction so as to prevent the occurrence of hand slippage during use, one end of the handle 4, which is far away from the support rod 1, is provided with a limiting fixing groove 6, the limiting fixing groove 6 is used for fixing an adjusting head 13, so that the adjusting head 13 can not be separated from a device while rotating, the diameter of the inner wall of the limiting fixing groove 6 is larger than the caliber of the left end of the limiting fixing groove 6, a through hole 7 is formed in the axis of the handle 4, and the through hole 7 penetrates through the axis of the handle 4 and extends to the inside of the turning rod 2.
The inside of the turning rod 2 is inserted with a telescopic rod 8, the length adjustment of the telescopic rod 8 realizes the adaptation according to the body types of different patients, one end of the telescopic rod 8 far away from the turning rod 2 is fixedly connected with an exposure head 9, the exposure head 9 is used for contacting with the skin of the patient, thereby exposing the operation position of the patient, and facilitating the operation of medical personnel, one end of the telescopic rod 8 close to the turning rod 2 is fixedly connected with a support slide bar 10, the support slide bar 10 is used for supporting the telescopic rod 8, thereby improving the stress bearing capacity of the telescopic rod 8 while fixing the telescopic rod 8, the number of the support slide bars 10 is two, the outer surfaces of the two support slide bars 10 are lapped with the inner wall of the turning rod 2, the left end of the outer surface of the support slide bar 10 is fixedly connected with a limit block 11, the limit block 11 is used for matching with the limit groove 3 to limit the moving range of the telescopic rod 8, and the number of the limit blocks 11 is two, two stopper 11 are located two opposite faces that support slide bar 10, and the surface of stopper 11 and the inner wall sliding connection of spacing groove 3, and the surface of stopper 11 and the surface level of turning pole 2, threaded hole 12 is seted up to the left end of telescopic link 8, and threaded hole 12 is used for cooperating with thread head 16 to telescopic effect can be realized to telescopic link 8 when thread head 16 rotates, and the degree of depth of threaded hole 12 equals with the length that supports slide bar 10.
The left end swing joint of handle 4 has regulation head 13, the right-hand member fixedly connected with of regulation head 13 connects spacing ring 14, regulation head 13 is connected in the inside of spacing fixed slot 6 through connecting spacing ring 14, the surface of connecting spacing ring 14 and the inner wall overlap joint of spacing fixed slot 6, the right-hand member fixedly connected with wire cable 15 of connecting spacing ring 14, use wire cable 15 just can distort along with the curve of through-hole 7, wire cable 15's diameter and through-hole 7's diameter looks adaptation, and wire cable 15 runs through-hole 7 and extends to the inside of screw hole 12, wire cable 15's tail end is provided with thread head 16, thread head 16 and the inner wall threaded connection of screw hole 12, and the length of thread head 16 and the degree of depth looks adaptation of screw hole 12.
When the device is used, the depth of an operation opening of a patient is determined through measurement, then the adjusting head 13 is rotated to drive the metal steel rope 15 to rotate, the rotating metal steel rope 15 drives the threaded head 16, and therefore the threaded head 16 is matched with the threaded hole 12 to enable the telescopic rod 8 to stretch out and draw back, and the device is matched with the body of the patient.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a spinal posterior approach is nonradiative to put exposure apparatus of nail, includes bracing piece (1), its characterized in that: one end of the supporting rod (1) is fixedly connected with a turning rod (2), two sides of the turning rod (2) are respectively provided with a limiting groove (3), the other end of the supporting rod (1) is fixedly connected with a handle (4), the outer surface of the handle (4) is provided with anti-skidding threads (5), one end of the handle (4), far away from the supporting rod (1), is provided with a limiting fixing groove (6), and the axis of the handle (4) is provided with a through hole (7);
a telescopic rod (8) is inserted into the turning rod (2), an exposure head (9) is fixedly connected to one end, far away from the turning rod (2), of the telescopic rod (8), a supporting slide rod (10) is fixedly connected to one end, close to the turning rod (2), of the telescopic rod (8), a limiting block (11) is fixedly connected to the left end of the outer surface of the supporting slide rod (10), and a threaded hole (12) is formed in the left end of the telescopic rod (8);
the left end swing joint of handle (4) has regulation head (13), the right-hand member fixedly connected with of adjusting head (13) connects spacing ring (14), the right-hand member fixedly connected with metal steel cable (15) of connecting spacing ring (14), the tail end of metal steel cable (15) is provided with thread head (16).
2. The spinal posterior ray-free staple exposing instrument of claim 1, wherein: the interior of the turning rod (2) is hollow, and the hollow interior of the turning rod (2) is matched with the space between the supporting sliding rods (10).
3. The spinal posterior ray-free staple exposing instrument of claim 1, wherein: the diameter of the inner wall of the limiting fixing groove (6) is larger than the caliber of the left end of the limiting fixing groove (6), and the through hole (7) penetrates through the axis of the handle (4) and extends to the inside of the turning rod (2).
4. The spinal posterior ray-free staple exposing instrument of claim 1, wherein: the number of the supporting slide bars (10) is two, and the outer surfaces of the two supporting slide bars (10) are in lap joint with the inner wall of the turning rod (2).
5. The spinal posterior ray-free staple exposing instrument of claim 1, wherein: the quantity of stopper (11) is two, two stopper (11) are located two opposite faces that support slide bar (10), just the surface of stopper (11) and the inner wall sliding connection of spacing groove (3), and the surface level of the surface of stopper (11) and turning pole (2).
6. The spinal posterior ray-free staple exposing instrument of claim 1, wherein: the depth of the threaded hole (12) is equal to the length of the support sliding rod (10), and the outer surface of the connection limiting ring (14) is in lap joint with the inner wall of the limiting fixing groove (6).
7. The spinal posterior ray-free staple exposing instrument of claim 1, wherein: the diameter of the metal steel rope (15) is matched with that of the through hole (7), the metal steel rope (15) penetrates through the through hole (7) and extends to the inside of the threaded hole (12), the threaded head (16) is in threaded connection with the inner wall of the threaded hole (12), and the length of the threaded head (16) is matched with the depth of the threaded hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022117581.0U CN213722159U (en) | 2020-09-24 | 2020-09-24 | Exposure apparatus for placing nail without ray in posterior spinal column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022117581.0U CN213722159U (en) | 2020-09-24 | 2020-09-24 | Exposure apparatus for placing nail without ray in posterior spinal column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213722159U true CN213722159U (en) | 2021-07-20 |
Family
ID=76845798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022117581.0U Expired - Fee Related CN213722159U (en) | 2020-09-24 | 2020-09-24 | Exposure apparatus for placing nail without ray in posterior spinal column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213722159U (en) |
-
2020
- 2020-09-24 CN CN202022117581.0U patent/CN213722159U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221216 Address after: 300 Guangzhou road, Nanjing, Jiangsu Province 210000 Patentee after: JIANGSU PROVINCE HOSPITAL(The First Affiliated Hospital of Nanjing Medical University) Address before: No. 50 Zhongling Street, Xuanwu District, Nanjing City, Jiangsu Province, 210000 Patentee before: Nanjing Shuangjian Medical Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 |
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| CF01 | Termination of patent right due to non-payment of annual fee |