CN219963032U - Cervical vertebra joint resetting device - Google Patents
Cervical vertebra joint resetting device Download PDFInfo
- Publication number
- CN219963032U CN219963032U CN202321051649.7U CN202321051649U CN219963032U CN 219963032 U CN219963032 U CN 219963032U CN 202321051649 U CN202321051649 U CN 202321051649U CN 219963032 U CN219963032 U CN 219963032U
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- China
- Prior art keywords
- bar
- adjusting rod
- supporting seat
- rod
- limiting mechanism
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- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000009467 reduction Effects 0.000 claims description 5
- 206010041591 Spinal osteoarthritis Diseases 0.000 claims 3
- 208000036319 cervical spondylosis Diseases 0.000 claims 3
- 208000005801 spondylosis Diseases 0.000 claims 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 206010029174 Nerve compression Diseases 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 208000007356 Fracture Dislocation Diseases 0.000 description 1
- 206010061223 Ligament injury Diseases 0.000 description 1
- 206010069689 Spinal column injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000004446 longitudinal ligament Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 208000020431 spinal cord injury Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The cervical vertebra joint resetting device effectively solves the problems of scattered accessories and inconvenient operation of the resetting device; the device comprises a supporting seat, wherein supporting rods are respectively hinged to the left side and the right side of the supporting seat, a lantern ring is fixedly connected to the middle of the supporting seat, a threaded sleeve rod is connected to the inner threads of the lantern ring, the threaded sleeve rod penetrates through the supporting seat, a first adjusting rod is inserted into the threaded sleeve rod, and a prying screw is fixedly connected to the bottom of the first adjusting rod; the lower end of the stay bar is fixedly connected with a fixing plate, a locating hole is formed in the fixing plate, a bar-shaped groove is formed in the stay bar, a second adjusting rod is arranged in the bar-shaped groove, a fixing screw is arranged at the lower end of the second adjusting rod, and the fixing screw is inserted into the locating hole; the support rod is rotatably connected with a rack, the outer side of the lantern ring is sleeved with a limiting mechanism, and the rack acts in the limiting mechanism; the limiting mechanism limits the opening and closing angles of the stay bars to the locking of the racks.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a cervical vertebra joint resetting device.
Background
Cervical vertebra fracture dislocation is a common type of cervical vertebra injury, often combined with intervertebral disc in front of cervical vertebra, anterior longitudinal ligament injury and nerve compression, often combined with articular process interlocking in back of cervical vertebra, and is usually required to be reset and fixed through operation. The purpose of the surgery is three points: 1. relieving nerve compression, mainly from intervertebral disc tissue in front of the vertebral canal and from the joint process of posterior cross locking; 2. restoring the normal sequence of cervical vertebrae, namely dislocation reset and joint process interlocking release; 3. reconstructing cervical vertebra stability, namely anterior cervical fusion.
In order to achieve the purpose of the operation, at home and abroad, the combined operation mode of front and back is mainly adopted, namely, the loosening and decompression between the dislocation vertebrae are completed through the front, then the vertebrae are restored by removing or picking the articular processes through the rear of the vertebrae to release the interlocking of the joints, and finally the front of the vertebrae is fused to reconstruct the stability of the vertebrae. Such a surgical mode is not only extremely traumatic, but also requires extremely high surgical skill for the operator. Meanwhile, as the articular processes of the twist lock at the rear are cut off, the stability of the cervical vertebra can be affected to a certain extent, and the risk of dislocation aggravation and spinal cord injury exists in the process of turning the patient to go into the next operation approach.
In order to solve the problem of joint reduction through an anterior operation, a plurality of simple instruments such as a spreader are needed, and at present, a plurality of simple instruments capable of assisting in spreading the joints are also available, so that spreading of the upper joint and the lower joint and prying and pulling of the dislocation joint are mainly realized; however, in actual operation, there is still a problem,
1. the integration level of the instrument is not enough, accessories are more and scattered, and when the operation is performed on the front way, one operator is difficult to operate;
2. when the self-tapping screw is put into the centrum joint, a sleeve or a screwdriver is needed to be additionally used, so that the operation is affected.
Disclosure of Invention
Aiming at the situation, the utility model aims to overcome the defects of the prior art and provide the cervical vertebra joint resetting device, which effectively solves the problems of scattered accessories and inconvenient operation of the resetting device.
The technical scheme includes that the device comprises a supporting seat, wherein supporting rods are hinged to the left side and the right side of the supporting seat respectively, a lantern ring is fixedly connected to the middle of the supporting seat, a threaded sleeve rod is connected to the lantern ring in a threaded manner, the threaded sleeve rod penetrates through the supporting seat, a first adjusting rod is inserted into the threaded sleeve rod, and a prying screw is fixedly connected to the bottom of the first adjusting rod; the lower end of the stay bar is fixedly connected with a fixing plate, a locating hole is formed in the fixing plate, a bar-shaped groove is formed in the stay bar, a second adjusting rod is arranged in the bar-shaped groove, a fixing screw is arranged at the lower end of the second adjusting rod, and the fixing screw is inserted into the locating hole; the support rod is rotatably connected with a rack, the outer side of the lantern ring is sleeved with a limiting mechanism, and the rack acts in the limiting mechanism; the limiting mechanism limits the opening and closing angles of the stay bars to the locking of the racks.
Preferably, the middle part of the stay bar is bent inwards in an arc shape, and the two ends of the stay bar are expanded outwards.
Preferably, the fixing plate is L-shaped, and the positioning holes are formed in the horizontal plate surface of the fixing plate.
Preferably, a groove is arranged on the outer side of the lantern ring; the limiting mechanism comprises a circular ring, the circular ring is positioned in the groove, two connecting pieces which are symmetrical with each other in the center of the circular ring are arranged on the circular ring, through holes are formed in the connecting pieces, clamping teeth are arranged in the through holes, and racks penetrate through the through holes on the corresponding sides and are blocked by the clamping teeth.
Preferably, a stop block is arranged in the groove, a limit groove is formed in the inner wall of the circular ring, and the stop block is positioned in the limit groove to limit the rotation angle of the circular ring.
Preferably, a torsion spring is arranged in the circular ring.
Preferably, handles for operation are respectively arranged at the upper ends of the stay bars, the first adjusting rod, the second adjusting rod and the threaded sleeve rod.
Compared with the prior art, the telescopic expansion device has the advantages that the structure is ingenious, the operation is convenient, the expansion of the upper vertebral body and the lower vertebral body is realized through the hinged cooperation of the supporting seat and the two supporting rods, the first adjusting rod which is convenient to operate is movably arranged on each supporting rod, the operation of using a screwdriver is omitted, and one person can finish the connection of the fixing screw and the vertebral body.
Through set up lantern ring and screw thread loop bar in the center of supporting seat, rotatory screw thread loop bar can let its reciprocates to utilize screw thread loop bar to adjust the lifting of pole with the second, realize dislocation centrum's reset, the practicality is strong.
Drawings
FIG. 1 is a schematic diagram of a primary view of the present utility model.
Fig. 2 is a schematic structural view of the support base and the stay bar of the present utility model.
Fig. 3 is a schematic structural view of the adjusting lever of the present utility model.
Fig. 4 is a schematic structural view of the supporting seat and the limiting mechanism of the present utility model.
Fig. 5 is a cross-sectional view of the entire present utility model.
Fig. 6 is a cross-sectional view of the support base and spacing mechanism of the present utility model.
Reference numerals in the schematic drawings illustrate:
1. a support base; 2. a brace rod; 3. a collar; 4. a threaded sleeve rod; 5. a first adjusting lever; 6. picking up the screw; 7. a fixing plate; 8. positioning holes; 9. a bar-shaped groove; 10. a second adjusting lever; 11. a fixing screw; 12. a rack; 13. a limiting mechanism; 14. a groove; 15. a connecting piece; 16. a through hole; 17. latch teeth; 18. a stop block; 19. a limit groove; 20. a torsion spring; 21. and (3) a circular ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the cervical vertebra joint resetting device comprises a supporting seat 1, wherein supporting rods 2 are respectively hinged to the left side and the right side of the supporting seat 1, a lantern ring 3 is fixedly connected to the middle part of the supporting seat 1, an upper vertebral body and a lower vertebral body of the cervical vertebra are separated by a certain angle through opening and closing of the two supporting rods 2, and the specific angle is manually adjusted by an operator;
specifically, the middle part of the stay bar 2 is inwards bent in an arc shape, and the two ends of the stay bar are outwards expanded, so that the operation, the opening and the closing are convenient.
Referring to fig. 2, the lower end of the stay bar 2 is fixedly connected with a fixing plate 7, a positioning hole 8 is formed in the fixing plate 7, a bar-shaped groove 9 is formed in the stay bar 2, a second adjusting rod 10 is arranged in the bar-shaped groove 9, a fixing screw 11 is arranged at the lower end of the second adjusting rod 10, and the fixing screw 11 is inserted into the positioning hole 8.
Specifically, the fixing plate 7 is L-shaped, and the positioning hole 8 is disposed on a horizontal plate surface of the fixing plate 7.
Each stay bar 2 is connected with a second adjusting rod 10, the second adjusting rod 10 is used for screwing a fixing screw, the fixing screw is driven into a vertebral body, the second adjusting rod 10 moves in the strip-shaped groove 9, an operator can directly operate and control conveniently, the fixing screw is not screwed by taking a screwdriver in addition, the second adjusting rod 10 moves synchronously along with the stay bar 2, the opening and closing of the stay bar 2 cannot be influenced, and the operator can operate and use the stay bar by one person.
The internal thread of the lantern ring 3 is connected with a thread sleeve rod 4, the thread sleeve rod 4 penetrates through the supporting seat 1, a first adjusting rod 5 is inserted in the thread sleeve rod 4, and a prying screw 6 is fixedly connected to the bottom of the first adjusting rod 5.
The first adjusting rod 5 is used for driving the prying screw 6 into the dislocation cone, the threaded sleeve rod 4 can be adjusted in a lifting mode along the sleeve ring 3, and the first adjusting rod 5 can be jacked upwards when the threaded sleeve rod 4 is adjusted upwards, so that the dislocation cone is pried and pulled, and the dislocation cone is reset.
In an alternative embodiment, the support rod 2 is rotatably connected with a rack 12, the outer side of the collar 3 is sleeved with a limiting mechanism 13, the rack 12 acts in the limiting mechanism 13, and the limiting mechanism 13 locks the rack 12 to limit the opening and closing angle of the support rod 2.
Specifically, referring to fig. 4 and 6, the outside of the collar 3 is provided with a groove 14; the limiting mechanism 13 comprises a circular ring 21, the circular ring 21 is positioned in the groove 14, two connecting pieces 15 which are symmetrical with each other in the center of the circular ring 21 are arranged on the circular ring 21, through holes 16 are formed in the connecting pieces 15, clamping teeth 17 are arranged in the through holes 16, the racks 12 penetrate through the through holes 16 on the corresponding sides and are blocked by the clamping teeth 17, and the clamping teeth 17 only block the backward movement of the racks 12, so that the forward movement of the racks 12 is not influenced.
Further, a stop block 18 is arranged in the groove 14, a limit groove 19 is formed in the inner wall of the circular ring 21, and the stop block 18 is positioned in the limit groove 19 to limit the rotation angle of the circular ring 21; a torsion spring 20 is arranged in the circular ring 21.
Referring to fig. 6, the stop block 18 is blocked at one end in the limiting groove 19 to limit the rotation of the ring 21, the latch 17 is clamped on the rack 12 to realize locking of the rack 12, and under the action of the torsion spring 20, the stop block 18 is always located at the position to prevent the rack 12 from being separated from the latch 17.
The upper end of the stay bar 2, the upper end of the first adjusting rod 5, the upper end of the second adjusting rod 10 and the upper end of the threaded sleeve rod 4 are respectively provided with a handle for operation, the handles on the stay bar 2 are arranged to be flat, the stay bar 2 is conveniently gripped through the handles, the handles on the first adjusting rod 5 and the second adjusting rod 10 are arranged to be cylindrical or butterfly-shaped, and the adjusting rod and the threaded sleeve rod 4 are conveniently adjusted in a rotating mode.
When the utility model is used, in the process of anterior operation, one operator can operate the device,
firstly, the dislocated vertebral body, the upper vertebral body and the lower vertebral body of the dislocated vertebral body are found, and the fixing plates 7 on the two supporting rods 2 are respectively clamped on the upper vertebral body and the lower vertebral body.
Then, the operator holds the stay bar 2 and the support seat 1 with one hand and rotates the two second adjusting rods 10 with the other hand in sequence, drives two fixing screws into the upper vertebral body and the lower vertebral body respectively, rotates the first adjusting rod 5, and drives the prying screw 6 at the lower end of the first adjusting rod 5 into the dislocation vertebral body.
The operator uses both hands, slowly extrudes the upper ends of two stay bars 2, and the lower extreme of two stay bars 2 outwards expands, expands upper cone and lower cone, and under the cooperation effect of stop gear and rack 12, stay bar 2 keeps at the angle that current struts, afterwards, rotatory screw thread loop bar 4 again makes screw thread loop bar 4 radially upwards move along it, when the upper end butt of screw thread loop bar 4 is on the handle on first regulation pole 5, continues to rotate screw thread loop bar 4, screw thread loop bar 4 is with first regulation pole 5 upwards lifting, and first regulation pole 5 drives dislocation cone upwards and removes, realizes the operation that resets of dislocation cone.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The cervical vertebra joint resetting device is characterized by comprising a supporting seat, wherein supporting rods are hinged to the left side and the right side of the supporting seat respectively, a lantern ring is fixedly connected to the middle of the supporting seat, a threaded sleeve rod is connected to the inner threads of the lantern ring, the threaded sleeve rod penetrates through the supporting seat, a first adjusting rod is inserted into the threaded sleeve rod, and a prying screw is fixedly connected to the bottom of the first adjusting rod;
the lower end of the stay bar is fixedly connected with a fixing plate, a locating hole is formed in the fixing plate, a bar-shaped groove is formed in the stay bar, a second adjusting rod is arranged in the bar-shaped groove, a fixing screw is arranged at the lower end of the second adjusting rod, and the fixing screw is inserted into the locating hole;
the support rod is rotatably connected with a rack, the outer side of the lantern ring is sleeved with a limiting mechanism, and the rack acts in the limiting mechanism;
the limiting mechanism limits the opening and closing angles of the stay bars to the locking of the racks.
2. The cervical spondylosis reduction device according to claim 1, wherein the middle portion of the stay is bent inward in an arc shape, and both ends are expanded outward.
3. The cervical vertebra joint reduction device of claim 1, wherein the fixing plate is L-shaped, and the positioning hole is provided on a horizontal plate surface of the fixing plate.
4. The cervical vertebra joint reduction device according to claim 1, wherein a groove is arranged on the outer side of the lantern ring;
the limiting mechanism comprises a circular ring, the circular ring is positioned in the groove, two connecting pieces which are symmetrical with each other in the center of the circular ring are arranged on the circular ring, through holes are formed in the connecting pieces, clamping teeth are arranged in the through holes, and racks penetrate through the through holes on the corresponding sides and are blocked by the clamping teeth.
5. The cervical vertebra joint restoring apparatus according to claim 4, wherein a stopper is provided in the groove, a limit groove is provided on an inner wall of the ring, and the stopper is provided in the limit groove to limit a rotation angle of the ring.
6. The cervical spondylosis reduction gear according to claim 5, wherein a torsion spring is provided in the circular ring.
7. The cervical spondylosis resetting device as claimed in claim 1, wherein the upper ends of the stay bar, the first adjusting bar, the second adjusting bar and the threaded sleeve bar are respectively provided with a handle for operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321051649.7U CN219963032U (en) | 2023-05-05 | 2023-05-05 | Cervical vertebra joint resetting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321051649.7U CN219963032U (en) | 2023-05-05 | 2023-05-05 | Cervical vertebra joint resetting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219963032U true CN219963032U (en) | 2023-11-07 |
Family
ID=88577213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321051649.7U Active CN219963032U (en) | 2023-05-05 | 2023-05-05 | Cervical vertebra joint resetting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219963032U (en) |
-
2023
- 2023-05-05 CN CN202321051649.7U patent/CN219963032U/en active Active
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| GR01 | Patent grant |