CN215914719U - Retractor device for neurosurgery - Google Patents
Retractor device for neurosurgery Download PDFInfo
- Publication number
- CN215914719U CN215914719U CN202120513277.XU CN202120513277U CN215914719U CN 215914719 U CN215914719 U CN 215914719U CN 202120513277 U CN202120513277 U CN 202120513277U CN 215914719 U CN215914719 U CN 215914719U
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- Prior art keywords
- fixing
- rod
- base
- fixedly connected
- screw
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- Expired - Fee Related
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- 238000003825 pressing Methods 0.000 claims abstract description 25
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 210000001428 peripheral nervous system Anatomy 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
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Abstract
The utility model belongs to the technical field of fixation of retractors for neurosurgery, and particularly relates to a retractor device for neurosurgery, aiming at the problem that the existing retractor device for neurosurgery does not have a function of fixing the device when in use, the retractor device for neurosurgery comprises a base, wherein a fixing mechanism is arranged on the base, an opening mechanism is arranged above the fixing mechanism, the fixing mechanism comprises a fixing pressing frame, a stabilizing sliding rod, a spring, an upper fixing plate, a lower fixing plate, a rotating column, a fixing screw rod, a gear frame, a driven bevel gear, a driving rod, a driving bevel gear, a fixing seat and a screw, the opening mechanism comprises a connecting frame, a retractor box, an adjusting screw rod, a fixing sliding rod, a first opening rod and a second opening rod, the fixing pressing frame is positioned on one side of the base, and the fixing pressing frame is fixedly connected with the base. The utility model has simple structure, and is convenient to fix and use by people when in use.
Description
Technical Field
The utility model relates to the technical field of fixation of retractors for neurosurgery, in particular to a retractor device for neurosurgery.
Background
Neurosurgery is a branch of surgery, and is a research method of neurosurgery applied to the human nervous system, such as the brain, spinal cord and peripheral nervous system, based on surgery as a main treatment means. The retractor is also called a draw hook, is used for retracting tissues, exposes the range needing an operation, is convenient to explore and operate, and can be divided into a handheld draw hook and an automatic draw hook. The retractor has various specifications of different shapes and sizes, and can be selected according to the operation requirement.
The conventional retractor device for neurosurgery has no function of fixing the device when the retractor device is used.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defect that the conventional retractor device for neurosurgery has no function of fixing the device when being used, and provides the retractor device for neurosurgery.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a retractor device for neurosurgery comprises a base, wherein a fixing mechanism is arranged on the base, an opening mechanism is arranged above the fixing mechanism, the fixing mechanism comprises a fixing pressure frame, a stabilizing slide rod, a spring, an upper fixing plate, a lower fixing plate, a fixing screw rod, a threaded sleeve, a gear frame, a driven bevel gear, a driving rod, a driving bevel gear, a fixing seat and a screw, the opening mechanism comprises a connecting frame, a retractor box, an adjusting screw rod, a fixing slide rod, a first opening rod and a second opening rod, the fixing pressure frame is positioned on one side of the base, the fixing pressure frame is fixedly connected with the base, the stabilizing slide rod is positioned in the fixing pressure frame, the stabilizing slide rod is fixedly connected with the fixing pressure frame, the spring is sleeved on the stabilizing slide rod, the upper fixing plate is slidably connected with the stabilizing slide rod, one end of the upper fixing plate is positioned on one side of the fixing pressure frame, the lower fixing plate is positioned below the upper fixing plate, and the lower fixing plate is fixedly connected with the fixing pressure frame, the fixed screw rod rotates in the base, and fixed screw rod and swivel nut threaded connection, swivel nut and upper fixed plate fixed connection, gear frame and one side inner wall fixed connection of base, the last driven bevel gear of fixed connection of fixed screw rod, the gear frame rotates with the actuating lever to be connected, the one end and the drive bevel gear fixed connection of actuating lever, drive bevel gear and driven bevel gear mesh mutually, the fixing base is located one side of base, and the actuating lever is located the fixing base, fixing base and base fixed connection, one side threaded connection screw of fixing base.
Preferably, the connecting frame is located above the base, the connecting frame is fixedly connected with the base, and one end of the connecting frame is fixedly connected with the retractor box.
Preferably, the adjusting screw and the fixed sliding rod are both located in the retractor box, the adjusting screw is rotatably connected with the retractor box, and the fixed sliding rod is fixedly connected with the retractor box.
Preferably, the first opening rod and the second opening rod are both in threaded connection with the adjusting screw, the first opening rod and the second opening rod are both in sliding connection with the fixed sliding rod, and one side of the retractor box is fixedly connected with the scale.
Compared with the prior art, the utility model has the advantages that:
(1) this scheme is owing to set up actuating lever, drive bevel gear, driven bevel gear, swivel nut, clamping screw, upper fixed plate and bottom plate, and the actuating lever passes through drive bevel gear and drives driven bevel gear and rotate, and driven bevel gear passes through clamping screw and drives the swivel nut and move down, and the swivel nut drives the bottom plate of upper fixed plate and is close to and fixes, has realized fixed purpose.
(2) This scheme is owing to set up adjusting screw, fixed slide bar, first pole and the second pole of strutting, and adjusting screw drives first pole and the second pole of strutting and is close to or keeps away from each other, and first pole and the second of strutting slide on the pole simultaneously, have realized the purpose to retractor micro-adjustment.
The utility model has simple structure and convenient use, and is convenient to fix and use by people when the device is used.
Drawings
Fig. 1 is a schematic structural view of a retractor device for neurosurgery according to the present invention;
fig. 2 is a schematic top view of a retractor of a neurosurgical retractor device according to the present invention;
fig. 3 is a schematic structural view of part a of a retractor device for neurosurgery according to the present invention.
In the figure: 1. a base; 2. fixing the pressing frame; 3. stabilizing the slide bar; 4. a spring; 5. an upper fixing plate; 6. a lower fixing plate; 7. fixing the screw rod; 8. a threaded sleeve; 9. a gear frame; 10. a driven bevel gear; 11. a drive rod; 12. a drive bevel gear; 13. a fixed seat; 14. a screw; 15. A connecting frame; 16. a retractor box; 17. adjusting the screw rod; 18. fixing the sliding rod; 19. a first spreader bar; 20. a second spreader bar; 21. and (4) a scale.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-3, a retractor device for neurosurgery comprises a base 1, a fixing mechanism is arranged on the base 1, an opening mechanism is arranged above the fixing mechanism, the fixing mechanism comprises a fixed pressing frame 2, a stable sliding rod 3, a spring 4, an upper fixing plate 5, a lower fixing plate 6, a fixing screw 7, a threaded sleeve 8, a gear frame 9, a driven bevel gear 10, a driving rod 11, a driving bevel gear 12, a fixing seat 13 and a screw 14, the opening mechanism comprises a connecting frame 15, a retractor box 16, an adjusting screw 17, a fixed sliding rod 18, a first opening rod 19 and a second opening rod 20, the fixed pressing frame 2 is positioned on one side of the base 1, the fixed pressing frame 2 is fixedly connected with the base 1, the stable sliding rod 3 is positioned in the fixed pressing frame 2, the stable sliding rod 3 is fixedly connected with the fixed pressing frame 2, the spring 4 is sleeved on the stable sliding rod 3, the upper fixing plate 5 is slidably connected with the stable sliding rod 3, one end of an upper fixing plate 5 is located one side of a fixed pressing frame 2, a lower fixing plate 6 is located below the upper fixing plate 5, the lower fixing plate 6 is fixedly connected with the fixed pressing frame 2, a fixing screw 7 rotates in a base 1, the fixing screw 7 is in threaded connection with a thread sleeve 8, the thread sleeve 8 is fixedly connected with the upper fixing plate 5, a gear frame 9 is fixedly connected with the inner wall of one side of the base 1, a driven bevel gear 10 is fixedly connected onto the fixing screw 7, the gear frame 9 is rotatably connected with a driving rod 11, one end of the driving rod 11 is fixedly connected with a driving bevel gear 12, the driving bevel gear 12 is meshed with the driven bevel gear 10, a fixing seat 13 is located one side of the base 1, the driving rod 11 is located in a fixing seat 13, the fixing seat 13 is fixedly connected with the base 1, and a screw 14 is connected with one side of the fixing seat 13.
In this embodiment, the connecting frame 15 is located above the base 1, the connecting frame 15 is fixedly connected to the base 1, and one end of the connecting frame 15 is fixedly connected to the retractor box 16.
In this embodiment, the adjusting screw 17 and the fixed sliding rod 18 are both located in the retractor box 16, the adjusting screw 17 is rotatably connected with the retractor box 16, and the fixed sliding rod 18 is fixedly connected with the retractor box 16.
In this embodiment, the first spreading rod 19 and the second spreading rod 20 are both in threaded connection with the adjusting screw 17, the first spreading rod 19 and the second spreading rod 20 are both in sliding connection with the fixed sliding rod 18, and one side of the retractor box 16 is fixedly connected with the scale.
Example two
Referring to fig. 1-3, a retractor device for neurosurgery comprises a base 1, a fixing mechanism is arranged on the base 1, an expanding mechanism is arranged above the fixing mechanism, the fixing mechanism comprises a fixed pressing frame 2, a stable sliding rod 3, a spring 4, an upper fixing plate 5, a lower fixing plate 6, a fixing screw 7, a threaded sleeve 8, a gear frame 9, a driven bevel gear 10, a driving rod 11, a driving bevel gear 12, a fixing seat 13 and a screw 14, the expanding mechanism comprises a connecting frame 15, a retractor box 16, an adjusting screw 17, a fixed sliding rod 18, a first expanding rod 19 and a second expanding rod 20, the fixed pressing frame 2 is positioned on one side of the base 1, the fixed pressing frame 2 is welded with the base 1, the stable sliding rod 3 is positioned in the fixed pressing frame 2, the stable sliding rod 3 is welded with the fixed pressing frame 2, the spring 4 is sleeved on the stable sliding rod 3, the upper fixing plate 5 is slidably connected with the stable sliding rod 3, one end of an upper fixing plate 5 is located one side of a fixed pressing frame 2, a lower fixing plate 6 is located below the upper fixing plate 5, the lower fixing plate 6 is connected with the fixed pressing frame 2 in a welding mode, a fixing screw 7 rotates in a base 1, the fixing screw 7 is connected with a thread sleeve 8 in a threaded mode, the thread sleeve 8 is connected with the upper fixing plate 5 in a welding mode, a gear frame 9 is connected with the inner wall of one side of the base 1 in a welding mode, a driven bevel gear 10 is connected with the fixing screw 7 in a welding mode, the gear frame 9 is connected with a driving rod 11 in a rotating mode, one end of the driving rod 11 is connected with a driving bevel gear 12 in a welding mode, the driving bevel gear 12 is meshed with the driven bevel gear 10, a fixing seat 13 is located one side of the base 1, the driving rod 11 is located in a fixing seat 13, the fixing seat 13 is connected with the base 1 in a welding mode, and one side of the fixing seat 13 is connected with a screw 14 in a threaded mode.
In this embodiment, the connecting frame 15 is located above the base 1, the connecting frame 15 is welded to the base 1, one end of the connecting frame 15 is welded to the retractor box 16, and the connecting frame 15 has a supporting function.
In this embodiment, the adjusting screw 17 and the fixed sliding rod 18 are both located in the retractor box 16, the adjusting screw 17 is rotatably connected with the retractor box 16, the fixed sliding rod 18 is welded to the retractor box 16, and the adjusting screw 17 can rotate in the retractor box 16.
In this embodiment, the first spreading rod 19 and the second spreading rod 20 are both in threaded connection with the adjusting screw 17, the first spreading rod 19 and the second spreading rod 20 are both in sliding connection with the fixed sliding rod 18, one side of the retractor box 16 is in welded connection with the scale, and the adjusting screw 17 can drive the first spreading rod 19 and the second spreading rod 20 to be away from or close to each other.
In this embodiment, when the device is used, the driving rod 11 is screwed to rotate, the driving rod 11 drives the driven bevel gear 10 to rotate through the driving bevel gear 12, the driven bevel gear 10 drives the fixing screw 7 to rotate, the fixing screw 7 drives the screw sleeve 8 to move downwards, the screw sleeve 8 drives the upper fixing plate 5 to compress the spring 4, meanwhile, the upper fixing plate 5 approaches the lower fixing plate 6 to be fixed, the driving screw 14 is screwed to fix the driving rod 11, the fixing purpose can be completed, the adjusting screw 17 is screwed, the adjusting screw 17 drives the first opening rod 19 and the second opening rod 20 to slide on the fixing slide rod 18, meanwhile, the adjusting screw 17 drives the first opening rod 19 and the second opening rod 20 to be away from (or approach) each other, and the retractor can be adjusted slightly.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.
Claims (4)
1. A retractor device for neurosurgery comprises a base (1) and is characterized in that a fixing mechanism is arranged on the base (1), an opening mechanism is arranged above the fixing mechanism, the fixing mechanism comprises a fixing pressing frame (2), a stabilizing slide rod (3), a spring (4), an upper fixing plate (5), a lower fixing plate (6), a fixing screw (7), a threaded sleeve (8), a gear frame (9), a driven bevel gear (10), a driving rod (11), a driving bevel gear (12), a fixing seat (13) and a screw (14), and the opening mechanism comprises a connecting frame (15), a retractor box (16), an adjusting screw (17), a fixing slide rod (18), a first opening rod (19) and a second opening rod (20);
the fixed pressing frame (2) is positioned on one side of the base (1), the fixed pressing frame (2) is fixedly connected with the base (1), the stable sliding rod (3) is positioned in the fixed pressing frame (2), the stable sliding rod (3) is fixedly connected with the fixed pressing frame (2), the spring (4) is sleeved on the stable sliding rod (3), the upper fixing plate (5) is slidably connected with the stable sliding rod (3), one end of the upper fixing plate (5) is positioned on one side of the fixed pressing frame (2), the lower fixing plate (6) is positioned below the upper fixing plate (5), the lower fixing plate (6) is fixedly connected with the fixed pressing frame (2), the fixing screw (7) rotates in the base (1), the fixing screw (7) is in threaded connection with the threaded sleeve (8), the threaded sleeve (8) is fixedly connected with the upper fixing plate (5), the gear frame (9) is fixedly connected with the inner wall of one side of the base (1), and the fixing screw (7) is fixedly connected with the driven bevel gear (10), the gear frame (9) is rotatably connected with the driving rod (11), one end of the driving rod (11) is fixedly connected with the driving bevel gear (12), the driving bevel gear (12) is meshed with the driven bevel gear (10), the fixing seat (13) is located on one side of the base (1), the driving rod (11) is located in the fixing seat (13), the fixing seat (13) is fixedly connected with the base (1), and one side of the fixing seat (13) is in threaded connection with the screw (14).
2. A retractor device as claimed in claim 1, wherein the connecting bracket (15) is located above the base (1), the connecting bracket (15) is fixedly connected to the base (1), and one end of the connecting bracket (15) is fixedly connected to the retractor housing (16).
3. A retractor device for neurosurgery according to claim 1, characterized in that said adjustment screw (17) and said fixed slide (18) are both located in the retractor housing (16), the adjustment screw (17) being rotatably connected to the retractor housing (16) and the fixed slide (18) being fixedly connected to the retractor housing (16).
4. A retractor device for neurosurgery according to claim 3, characterized in that said first (19) and second (20) spreader levers are both screw-connected to the adjusting screw (17), the first (19) and second (20) spreader levers are both slidably connected to the fixed slide bar (18), and one side of the retractor case (16) is fixedly connected to the scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120513277.XU CN215914719U (en) | 2021-03-11 | 2021-03-11 | Retractor device for neurosurgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120513277.XU CN215914719U (en) | 2021-03-11 | 2021-03-11 | Retractor device for neurosurgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215914719U true CN215914719U (en) | 2022-03-01 |
Family
ID=80409313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120513277.XU Expired - Fee Related CN215914719U (en) | 2021-03-11 | 2021-03-11 | Retractor device for neurosurgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215914719U (en) |
-
2021
- 2021-03-11 CN CN202120513277.XU patent/CN215914719U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220301 |