CN214484548U - Spine posterior surgery spreader - Google Patents
Spine posterior surgery spreader Download PDFInfo
- Publication number
- CN214484548U CN214484548U CN202023068140.2U CN202023068140U CN214484548U CN 214484548 U CN214484548 U CN 214484548U CN 202023068140 U CN202023068140 U CN 202023068140U CN 214484548 U CN214484548 U CN 214484548U
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- Prior art keywords
- balance plate
- hole
- rod
- block
- gear
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- Expired - Fee Related
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- 238000001356 surgical procedure Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000002457 bidirectional effect Effects 0.000 claims description 15
- 230000009467 reduction Effects 0.000 claims description 4
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 5
- 238000005406 washing Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000000278 spinal cord Anatomy 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
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Abstract
A spreader for posterior spine surgery comprises a balance plate; the output rods of the two electric telescopic rods are symmetrically fixed at the bottom of the balance plate; the two fixing plates are respectively and fixedly arranged at the bottom ends of the two electric telescopic rods; the two brackets are symmetrically and fixedly arranged on the top of the balance plate; the moving mechanism is arranged on the balance plate; the two disassembling mechanisms are symmetrically arranged on the balance plate. The utility model provides a way of escape surgery struts ware has the control that the operation is comparatively simple, can be comparatively accurate struts the range, conveniently dismantles to remove the bracer of changing equidimension not, conveniently takes out the bracer and removes the advantage of washing and disinfection.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a vertebra way of escape operation struts ware.
Background
The spine is located in the middle of the back, and the upper end is connected with the skull. The number of vertebras of the young children is 32-33, and the spine of the adult is formed by connecting 26 vertebrae (7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae, 1 sacral vertebra (5 just born) and 1 caudal vertebra) by ligaments, joints and intervertebral discs. The spine has functions of supporting the trunk, protecting the internal organs, protecting the spinal cord, and performing exercise. The interior of the spinal canal is formed into a longitudinal spinal canal from top to bottom, and the spinal cord is arranged inside the spinal canal.
Need strut it when the operation to patient's vertebra, just can provide sufficient space and then the operation to the doctor, traditional vertebra struts generally to use the pliers or use the hand to strut for the vertebra, and the doctor is not good to the dynamics of strutting of accuse, and the range that the not accurate control struts is comparatively inconvenient.
Therefore, there is a need to provide a new spreader for posterior spinal surgery to solve the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is to provide a vertebra posterior operation distractor with the control that the operation is comparatively simple, can be comparatively accurate struts the range, conveniently dismantle to remove to change the bracer of equidimension not, conveniently take out the bracer and remove washing and disinfection.
In order to solve the technical problem, the utility model provides a vertebra way of escape operation struts ware includes: a balance plate; the output rods of the two electric telescopic rods are symmetrically fixed at the bottom of the balance plate; the two fixing plates are respectively and fixedly arranged at the bottom ends of the two electric telescopic rods; the two brackets are symmetrically and fixedly arranged on the top of the balance plate; the moving mechanism is arranged on the balance plate; the two disassembling mechanisms are symmetrically arranged on the balance plate.
Preferably, moving mechanism includes spacing hole, two-way screw rod, gear motor, first gear, second gear, slider and gag lever post, spacing hole sets up on the balance plate, the both sides inner wall in spacing hole has been seted up respectively and has been rotated groove and rotation hole, two-way screw rod rotates to be installed rotate the groove with in the rotation hole, two sections external screw threads to opposite soon have been seted up on the two-way screw rod, gear motor fixed mounting be in the top of balance plate, the fixed cover of first gear is established on gear motor's the output shaft, the fixed cover of second gear is established the one end of two-way screw rod, first gear with the second gear meshes mutually, gag lever post fixed mounting is two one side that the support is close to each other.
Preferably, the inner walls of the rotating groove and the rotating hole are fixedly embedded with bearings, and the inner rings of the two bearings are fixedly sleeved on the two-way screw rod.
Preferably, a graduated scale is arranged on the limiting rod, and the sliding block is sleeved on the limiting rod in a sliding manner.
Preferably, the dismounting mechanism comprises a mounting groove, a placing groove, a sliding hole, a side plate, a guide rod, a stop block, a connecting block, a spring and a connecting rod, the mounting groove is arranged at the bottom of the sliding block, the placing groove is arranged on the inner wall of one side of the mounting groove, the slide hole is arranged on the inner wall of one side of the mounting groove, the side plate is fixedly mounted on one side of the slide block, the guide rod is slidably arranged on the side plate, the stop block is fixedly arranged at one end of the guide rod, the stop block is matched with the sliding hole, the connecting block is fixedly arranged on one side of the stop block, one side of the connecting block is contacted with the inner wall of the placing groove, the spring is sleeved on the guide rod in a sliding manner, the connecting rod sets up in the mounting groove, the mounting hole has been seted up on the connecting rod, the connecting block with the inner wall sliding connection of mounting hole.
Preferably, the bottom end of the connecting rod is fixedly provided with a supporting block.
Compared with the prior art, the utility model provides a vertebra way of escape operation struts ware has following beneficial effect:
the utility model provides a spine posterior surgery spreader, which can more accurately control the spreading amplitude through a fixed plate, an electric telescopic rod, a balance plate, a speed reducing motor, a bidirectional screw rod, a slide block, a supporting block and a limiting rod; through mounting groove, standing groove, sliding hole, curb plate, guide arm, dog, connecting block, spring, connecting rod and kicking block, just so can conveniently dismantle and remove the kicking block of changing equidimension not, can also conveniently take out washing and disinfection, the operation is comparatively simple.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a posterior spinal spreader according to the present invention;
FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;
fig. 3 is an enlarged schematic view of a portion B shown in fig. 1.
Reference numbers in the figures: 1. a balance plate; 2. an electric telescopic rod; 3. a fixing plate; 4. a support; 5. a limiting hole; 6. a bidirectional screw; 7. a reduction motor; 8. a first gear; 9. a second gear; 10. a slider; 11. a limiting rod; 12. mounting grooves; 13. a placement groove; 14. a slide hole; 15. a side plate; 16. a guide bar; 17. a stopper; 18. connecting blocks; 19. a spring; 20. a connecting rod; 21. and (7) supporting blocks.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural view of a preferred embodiment of a posterior spinal surgery distractor according to the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; fig. 3 is an enlarged schematic view of a portion B shown in fig. 1. The posterior spine surgery distractor comprises: a balance plate 1; the output rods of the two electric telescopic rods 2 are symmetrically fixed at the bottom of the balance plate 1; the two fixing plates 3 are respectively and fixedly arranged at the bottom ends of the two electric telescopic rods 2; the two brackets 4 are symmetrically and fixedly arranged at the top of the balance plate 1; the moving mechanism is arranged on the balance plate 1; the two disassembling mechanisms are symmetrically arranged on the balance plate 1.
The moving mechanism comprises a limiting hole 5, a bidirectional screw 6, a speed reducing motor 7, a first gear 8, a second gear 9, a slide block 10 and a limiting rod 11, the limiting hole 5 is arranged on the balance plate 1, the inner walls of the two sides of the limiting hole 5 are respectively provided with a rotating groove and a rotating hole, the bidirectional screw 6 is rotatably arranged in the rotating groove and the rotating hole, two sections of external threads with opposite rotating directions are arranged on the bidirectional screw 6, the speed reducing motor 7 is fixedly arranged at the top of the balance plate 1, the first gear 8 is fixedly sleeved on an output shaft of the speed reducing motor 7, the second gear 9 is fixedly sleeved at one end of the bidirectional screw 6, the first gear 8 is meshed with the second gear 9, the limiting rod 11 is fixedly arranged on one side of the two brackets 4 close to each other and can be used for carrying out a spine stretching operation on a patient.
The inner wall of the rotating groove and the inner wall of the rotating hole are fixedly embedded with bearings, and the inner rings of the bearings are fixedly sleeved on the bidirectional screw 6, so that fixation can be better achieved.
The limiting rod 11 is provided with a graduated scale, and the sliding block 10 is sleeved on the limiting rod 11 in a sliding mode and can be used for seeing the spread range of the spine.
The disassembly mechanism comprises a mounting groove 12, a placing groove 13, a sliding hole 14, a side plate 15, a guide rod 16, a stop block 17, a connecting block 18, a spring 19 and a connecting rod 20, wherein the mounting groove 12 is arranged at the bottom of the sliding block 10, the placing groove 13 is arranged on the inner wall of one side of the mounting groove 12, the sliding hole 14 is arranged on the inner wall of one side of the mounting groove 12, the side plate 15 is fixedly arranged on one side of the sliding block 10, the guide rod 16 is slidably arranged on the side plate 15, the stop block 17 is fixedly arranged at one end of the guide rod 16, the stop block 17 is matched with the sliding hole 14, the connecting block 18 is fixedly arranged on one side of the stop block 17, one side of the connecting block 18 is in contact with the inner wall of the placing groove 13, the spring 19 is slidably sleeved on the guide rod 16, the connecting rod 20 is arranged in the mounting groove 12, and the connecting rod 20 is provided with a mounting hole, the connecting block 18 is slidably connected with the inner wall of the mounting hole, and is convenient to disassemble, clean and sterilize.
The bottom end of the connecting rod 20 is fixedly provided with a supporting block 21 which can be used for expanding the spine of the patient.
The utility model provides a way of escape operation struts ware behind vertebra's theory of operation as follows:
when the device is used, when the spine of a patient is unfolded, the device is placed on a sickbed and is positioned right above the spine, two fixing plates 3 are fixed on the sickbed, two electric telescopic rods 2 are started, the two electric telescopic rods 2 simultaneously drive the balance plates 1 to move downwards, and two supporting blocks 21 are positioned in the middle of the spine;
the speed reducing motor 7 is started, the speed reducing motor 7 drives the bidirectional screw 6 to rotate slowly, the bidirectional screw 6 drives the two sliding blocks 10 to move away from each other, the two sliding blocks 10 drive the two supporting blocks 21 to move away from each other, and contact with the spines to move away from each other and to be slowly propped open, and the propping amplitude can be clearly seen through the limiting rod 11, so that the propping amplitude is accurate;
when two supporting blocks 21 with different sizes need to be replaced, the two guide rods 16 are respectively pulled to be away from each other, the two guide rods 16 enable the two springs 19 to be tightened, the two guide rods 16 drive the two stop blocks 17 and the two connecting blocks 18 to be away from each other, the two connecting blocks 18 are enabled to be away from the two placing grooves 13, at this time, the two connecting rods 20 and the two supporting blocks 21 can be taken out, further, the supporting blocks 21 with different sizes are replaced or cleaned and sterilized, the replaced supporting blocks 21 or the supporting blocks 21 after being cleaned and sterilized are respectively placed in the two installing grooves 12, the two guide rods 16 are loosened, the two springs 19 are enabled to return by the two guide rods 16, the two stop blocks 17 and the two connecting blocks 18 are driven to be close to each other under the return action of the two springs 19, the two connecting blocks 18 respectively penetrate through the two installing holes, and the two connecting blocks 18 are respectively contacted with the inner walls of the two placing grooves 13, the two connecting rods 20 can be fixed, so that the supporting blocks 21 with different sizes can be conveniently detached and replaced, the cleaning and the disinfection can be conveniently taken out, and the operation is simpler.
Compared with the prior art, the utility model provides a vertebra way of escape operation struts ware has following beneficial effect:
the utility model provides a spine posterior surgery spreader, which can more accurately control the spreading amplitude through a fixed plate 3, an electric telescopic rod 2, a balance plate 1, a speed reducing motor 7, a bidirectional screw 6, a slide block 10, a support block 21 and a limiting rod 11; through mounting groove 12, standing groove 13, slide opening 14, curb plate 15, guide arm 16, dog 17, connecting block 18, spring 19, connecting rod 20 and kickstand 21, just so can conveniently dismantle and remove the kickstand 21 of changing equidimension not, can also conveniently take out washing and disinfection, the operation is comparatively simple.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. A posterior spinal surgical distractor, comprising:
a balance plate;
the output rods of the two electric telescopic rods are symmetrically fixed at the bottom of the balance plate;
the two fixing plates are respectively and fixedly arranged at the bottom ends of the two electric telescopic rods;
the two brackets are symmetrically and fixedly arranged on the top of the balance plate;
the moving mechanism is arranged on the balance plate;
the two disassembling mechanisms are symmetrically arranged on the balance plate.
2. The posterior spine surgery distractor according to claim 1, wherein the moving mechanism comprises a limiting hole, a bidirectional screw, a reduction motor, a first gear, a second gear, a slider and a limiting rod, the limiting hole is disposed on the balance plate, a rotating groove and a rotating hole are respectively formed on inner walls of two sides of the limiting hole, the bidirectional screw is rotatably mounted in the rotating groove and the rotating hole, two sections of external threads with opposite rotation directions are formed on the bidirectional screw, the reduction motor is fixedly mounted on the top of the balance plate, the first gear is fixedly sleeved on an output shaft of the reduction motor, the second gear is fixedly sleeved on one end of the bidirectional screw, the first gear is meshed with the second gear, and the limiting rod is fixedly mounted on one side of two adjacent brackets.
3. The posterior spine surgical spreader according to claim 2, wherein bearings are fixedly embedded in the inner walls of the rotating groove and the rotating hole, and inner rings of the two bearings are fixedly sleeved on the bidirectional screw rod.
4. The posterior spinal surgery distractor according to claim 2, wherein the limiting rod is provided with a graduated scale, and the sliding block is slidably sleeved on the limiting rod.
5. The posterior spinal surgery distractor according to claim 2, wherein the detaching mechanism comprises a mounting groove, a placement groove, a sliding hole, a side plate, a guide rod, a stop block, a connecting block, a spring and a connecting rod, the mounting groove is arranged at the bottom of the sliding block, the placement groove is arranged on one inner wall of the mounting groove, the sliding hole is arranged on one inner wall of the mounting groove, the side plate is fixedly arranged at one side of the sliding block, the guide rod is slidably arranged on the side plate, the stop block is fixedly arranged at one end of the guide rod, the stop block is matched with the sliding hole, the connecting block is fixedly arranged at one side of the stop block, one side of the connecting block is in contact with the inner wall of the placement groove, the spring is slidably arranged on the guide rod, the connecting rod is arranged in the mounting groove, and the connecting rod is provided with a mounting hole, the connecting block is connected with the inner wall of the mounting hole in a sliding mode.
6. The posterior spinal surgical distractor of claim 5, wherein a support block is fixedly mounted to the bottom end of the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023068140.2U CN214484548U (en) | 2020-12-18 | 2020-12-18 | Spine posterior surgery spreader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023068140.2U CN214484548U (en) | 2020-12-18 | 2020-12-18 | Spine posterior surgery spreader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214484548U true CN214484548U (en) | 2021-10-26 |
Family
ID=78209181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023068140.2U Expired - Fee Related CN214484548U (en) | 2020-12-18 | 2020-12-18 | Spine posterior surgery spreader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214484548U (en) |
-
2020
- 2020-12-18 CN CN202023068140.2U patent/CN214484548U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211026 |