CN213758371U - Retractor fixer for neurosurgery - Google Patents
Retractor fixer for neurosurgery Download PDFInfo
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- CN213758371U CN213758371U CN202021706980.4U CN202021706980U CN213758371U CN 213758371 U CN213758371 U CN 213758371U CN 202021706980 U CN202021706980 U CN 202021706980U CN 213758371 U CN213758371 U CN 213758371U
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Abstract
The utility model relates to a surgical drag hook fixing device technical field specifically is a neurosurgery drag hook fixer, the spout has been seted up to the top of device body frame, the inboard sliding connection of spout has six lockable sliders, the below of device body frame is located both sides position department symmetry and is rotated and is connected with two compressing tightly fixed establishment that the structure is the same, compressing tightly fixed establishment and including the cardboard, the cavity has been seted up to the inside of cardboard. The utility model relates to a novelty, the structure is ingenious, through drag hook lift adjustment mechanism, flexible drag hook mechanism and lockable slider, improves the working range and the work flexibility of drag hook by a wide margin, and fixed effect is reliable, need not pull the fixing to knife edge department skin by the manual work, has saved manpower resources, through compressing tightly fixed establishment, with the whole both sides that are fixed in the operation table of device, the device rocks during preventing to perform the operation, causes the influence to the operation, improves the success rate of operation.
Description
Technical Field
The utility model relates to a surgical drag hook fixing device technical field specifically is a neurosurgery drag hook fixer.
Background
A surgical drag hook fixing device is a device used for widening the surgical visual field in an operation, is convenient for the smooth operation and improves the success rate of the operation.
However, the existing surgical retractor fixing device has poor flexibility, small traction fixing range and complex installation, so that the device shakes during operation, and the smooth operation is influenced. Accordingly, those skilled in the art will provide a retractor holder for neurosurgery which solves the above-mentioned problems of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a neurosurgery drag hook fixer to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a neurosurgery drag hook fixer comprises a device main frame, wherein a sliding groove is formed above the device main frame, six lockable sliding blocks are connected to the inner side of the sliding groove in a sliding manner, and two pressing and fixing mechanisms with the same structure are symmetrically and rotatably connected to positions on two sides of the device main frame;
the compressing and fixing mechanism comprises a clamping plate, a cavity is arranged in the clamping plate, a clamping groove is arranged at the position, below the cavity, of one side of the clamping plate, a partition plate is fixed at the upper section of the cavity, two telescopic columns extending to the inside of the clamping groove are symmetrically connected at the positions of two ends of the lower side of the cavity in a penetrating and sliding manner, the bottom ends of the two telescopic columns are fixed with a pressing plate, the positions of the inner part of the clapboard corresponding to the two telescopic columns are both rotationally connected with screw rods, one end of each screw rod is rotationally connected with the inner parts of the two telescopic columns through threads, and the other ends of the two screws are fixed with screw bevel gears, one end of the cavity is rotatably inserted with an adjusting rod at the position above the clapboard, the positions, corresponding to the two screw bevel gears, of the outer side of the adjusting rod are respectively fixed with an adjusting rod bevel gear, and the two adjusting rod bevel gears are respectively meshed with the two screw bevel gears;
the lockable sliding block comprises a sliding block which is connected with the inner side of the sliding groove in a sliding way, a pressure rod cavity is arranged in the sliding block, a spring cavity is arranged in the slide block and is positioned below the pressure rod cavity, one side of the pressure rod cavity is connected with a release pressure rod in a penetrating and sliding way, one end of the release pressure lever is rotatably connected with a middle connecting rod, the middle section of the middle connecting rod is rotatably connected with the inner side of the sliding block at the joint of the pressure lever cavity and the spring cavity, one end of the middle connecting rod is rotatably connected with a locking plate connecting rod which is connected with one side of the spring cavity in a sliding way and extends to the outside of the sliding block, one end of the locking plate connecting rod is connected with a connecting rod spring, one end of the connecting rod spring is connected with the other side of the spring cavity, and a locking plate is fixed at one end of the connecting rod spring outside the sliding block, and a drag hook lifting adjusting mechanism is fixed at one side of the sliding block.
As a further aspect of the present invention: the draw hook elevating system is including being fixed in the frame of slider one side, the crossbeam spout has been seted up to the inboard of frame, the inboard sliding connection of crossbeam spout has sliding beam, the inside of frame is located top position department and rotates and is connected with the lift lead screw, the lift lead screw passes through the screw tooth and is connected with sliding beam's inboard rotation, one side of sliding beam is located middle section position department and is fixed with flexible draw hook mechanism.
As a further aspect of the present invention: the telescopic draw hook mechanism comprises a fixed rod on one side of a sliding cross beam, a threaded telescopic rod is inserted into the inner side of the fixed rod in a sliding mode, a convex ring is fixed to the outer side of the fixed rod at one end position, a knob is connected to the position, located at the outer side of the convex ring, of the fixed rod in a rotating mode, an internal thread is arranged on the inner side of the knob, the knob is connected with the threaded telescopic rod in a rotating mode through the internal thread, and a draw hook is fixed to one end of the threaded telescopic rod.
As a further aspect of the present invention: a rubber pad is adhered to one side of the locking plate, and the thickness of the rubber pad is 1 mm.
As a further aspect of the present invention: the device main frame is made of an aluminum alloy component, and two ends of the device main frame are fixed with limiting blocks.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novelty, the structure is ingenious, through drag hook lift adjustment mechanism, flexible drag hook mechanism and lockable slider, improves the working range and the work flexibility of drag hook by a wide margin, and fixed effect is reliable, need not pull the fixing to knife edge department skin by the manual work, has saved manpower resources, through compressing tightly fixed establishment, with the whole both sides that are fixed in the operation table of device, the device rocks during preventing to perform the operation, causes the influence to the operation, improves the success rate of operation.
Drawings
Fig. 1 is a schematic structural view of a retractor holder for neurosurgery;
FIG. 2 is a schematic view of a compression fastening mechanism of the retractor holder of the neurosurgery;
FIG. 3 is a schematic view of the hook lifting mechanism of the retractor holder for neurosurgery;
fig. 4 is a schematic structural view of a retractable retractor mechanism in a retractor holder for neurosurgery.
Fig. 5 is a schematic structural view of a lockable slider in a retractor holder for neurosurgery.
In the figure: 1. a main device frame; 2. clamping a plate; 3. a slider; 4. a telescopic column; 5. a compression plate; 6. a screw; 7. a screw bevel gear; 8. adjusting a rod; 9. adjusting a rod bevel gear; 10. a frame; 11. a sliding beam; 12. a lifting screw rod; 13. releasing the compression bar; 14. a middle connecting rod; 15. a locking plate linkage rod; 16. a link spring; 17. fixing the rod; 18. a threaded telescopic rod; 19. a convex ring; 20. a knob; 21. pulling a hook; 22. locking plates.
Detailed Description
Referring to fig. 1 to 5, in an embodiment of the present invention, a neurosurgical retractor fixer includes a main device frame 1, a chute is disposed above the main device frame 1, six lockable sliders are slidably connected to an inner side of the chute, and two pressing and fixing mechanisms having the same structure are symmetrically and rotatably connected to positions on two sides of the main device frame 1;
the compressing and fixing mechanism comprises a clamping plate 2, a cavity is arranged in the clamping plate 2, a clamping groove is arranged at the position, below the cavity, of one side of the clamping plate 2, a partition plate is fixed at the upper section of the cavity, two telescopic columns 4 extending to the inside of the clamping groove are symmetrically connected at the positions of two ends of the lower side of the cavity in a penetrating and sliding manner, the bottom ends of the two telescopic columns 4 are fixed with a pressing plate 5, the positions of the inside of the partition board corresponding to the two telescopic columns 4 are both rotatably connected with screw rods 6, one ends of the two screw rods 6 are both rotatably connected with the inside of the two telescopic columns 4 through threads, screw bevel gears 7 are fixed at the other ends of the two screws 6, an adjusting rod 8 is rotatably inserted at the position, above the partition plate, of one end of the cavity, adjusting rod bevel gears 9 are fixed at the positions, corresponding to the two screw bevel gears 7, of the outer sides of the adjusting rods 8, and the two adjusting rod bevel gears 9 are meshed with the two screw bevel gears 7 respectively;
the lockable sliding block comprises a sliding block 3 which is slidably connected with the inner side of the sliding groove, a pressure rod cavity is arranged in the sliding block 3, a spring cavity is arranged in the position, below the pressure rod cavity, in the sliding block 3, a release pressure rod 13 is connected with one side of the pressure rod cavity in a penetrating and sliding manner, an intermediate connecting rod 14 is rotatably connected with one end of the release pressure rod 13, the middle section of the intermediate connecting rod 14 is rotatably connected with the inner side of the sliding block 3, at the joint of the pressure rod cavity and the spring cavity, one end of the intermediate connecting rod 14 is rotatably connected with a locking plate connecting rod 15, the locking plate connecting rod 15 is slidably connected with one side of the spring cavity and extends to the outer part of the sliding block 3, one end of the locking plate connecting rod 15 is connected with a connecting rod spring 16, one end of the connecting rod spring 16 is connected with the other side of the spring cavity, a locking plate 22 is fixed at the position of the outer end of the sliding block 3, and a drag hook lifting adjusting mechanism is fixed at one side of the sliding block 3, the lockable sliding block can prevent the device from shaking during operation to influence the operation, thereby improving the success rate of the operation.
In fig. 3: the drag hook elevating system is including being fixed in the frame 10 of 3 one sides of slider, the crossbeam spout has been seted up to the inboard of frame 10, the inboard sliding connection of crossbeam spout has sliding beam 11, the inside of frame 10 is located top position department and rotates and is connected with lift lead screw 12, lift lead screw 12 rotates through the inboard of silk tooth and sliding beam 11 to be connected, one side of sliding beam 11 is located middle section position department and is fixed with flexible drag hook mechanism, drag hook elevating system improves the flexibility of device, can carry out the drag hook through the most suitable height to edge of a knife skin and fix.
In fig. 4: flexible drag hook mechanism includes dead lever 17 in sliding beam 11 one side, the inboard slip of dead lever 17 is inserted and is equipped with threaded telescopic rod 18, and the outside of dead lever 17 is located one end position department and is fixed with bulge loop 19, the one end of dead lever 17 is located 19 outside positions of bulge loop department and rotates and has cup jointed knob 20, the inboard of knob 20 is provided with the internal thread, and knob 20 rotates through internal thread and threaded telescopic rod 18 to be connected, the one end of threaded telescopic rod 18 is fixed with drag hook 21, it is fixed to make things convenient for the skin of tool bit department to pull, improve the operation field of vision.
In fig. 5: a rubber pad is adhered to one side of the locking plate 22, the thickness of the rubber pad is 1 mm, friction force can be increased by the rubber pad to prevent sliding, and reliability of fixing of the device is improved.
In fig. 1: the device body frame 1 is made of an aluminum alloy component, the two ends of the device body frame 1 are fixed with limiting blocks, and the aluminum alloy component is light in weight and convenient to fix and move.
The utility model discloses a theory of operation is: firstly, a pressing and fixing mechanism is used for integrally fixing the device on two sides of an operating bed, two clamping plates 2 are rotated to enable two clamping grooves to be positioned on the outer side of the edge side of the operating bed, then an adjusting rod 8 is rotated, the adjusting rod 8 drives two adjusting rod bevel gears 9 to rotate, the two adjusting rod bevel gears 9 drive two screw bevel gears 7 to rotate through meshing, the two screw bevel gears 7 drive two screws 6 to rotate, the two screws 6 drive two telescopic columns 4 to ascend and descend through threads, the two telescopic columns 4 drive a pressing plate 5 to ascend and descend to press and fix the edge of the bed, the fixing effect is good, the device is prevented from shaking during operation to influence the operation, then a sliding block can be locked to a required fixed position, a release pressing rod 13 is pressed, the release pressing rod 13 drives a middle connecting rod 14 to rotate, a locking plate at the bottom end of the middle connecting rod 14 drives a connecting rod 15 and a locking plate 22 to move towards the inner side of a spring cavity and compress a connecting rod spring 16, can relieve the locking of lockable slider and spout, remove and release depression bar 13 after suitable position, lockplate 22 and lockplate connecting rod 15 move to the outside under connecting rod spring 16's elasticity, make lockplate 22 and spout inboard compress tightly, fix the lockable slider, adjust the height of flexible drag hook mechanism through drag hook elevating system, rotate lift lead screw 12, lift lead screw 12 drives sliding beam 11 through the thread tooth meshing and reciprocates, and sliding beam 11 drives flexible drag hook mechanism and reciprocates, improves the flexibility of using, can carry out the drag hook through the most suitable height to the edge of a knife skin and fix, then rotate knob 20, knob 20 drives threaded telescopic link 18 through the internal thread and stretches out and the withdrawal, can drive drag hook 21 and stretch out and retract, and the drag hook is fixed to edge of a knife skin, and easy and simple to handle, and fixed reliable can not drop.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A neurosurgery drag hook fixer comprises a device main frame (1), and is characterized in that a sliding chute is formed above the device main frame (1), six lockable sliding blocks are connected to the inner side of the sliding chute in a sliding manner, and two pressing and fixing mechanisms with the same structure are symmetrically and rotatably connected to the positions of two sides of the lower part of the device main frame (1);
compress tightly fixed establishment and include cardboard (2), the cavity has been seted up to the inside of cardboard (2), and one side of cardboard (2) is located cavity below position department and has seted up the draw-in groove, the upper segment of cavity is fixed with the baffle, and the downside of cavity is located the symmetry of both ends position department and runs through sliding connection and have two telescopic columns (4) that extend to the draw-in groove inside, two telescopic column's (4) bottom mounting has pressure strip (5), the inside of baffle corresponds the position department of two telescopic columns (4) and all rotates and is connected with screw rod (6), two the one end of screw rod (6) all is connected through the inside rotation of screw thread with two telescopic columns (4), and the other end of two screw rods (6) all is fixed with screw rod helical gear (7), the one end of cavity is located baffle top position department and rotates and is inserted and is equipped with regulation pole (8), the outside of adjusting pole (8) all is fixed with the regulation pole helical gear (7) the position department that corresponds two screw rod helical gears (7) 9) The two adjusting rod bevel gears (9) are respectively meshed with the two screw bevel gears (7);
the lockable sliding block comprises a sliding block (3) which is connected to the inner side of the sliding groove in a sliding manner, a pressure rod cavity is formed in the sliding block (3), a spring cavity is formed in the position, below the pressure rod cavity, in the sliding block (3), of one side of the pressure rod cavity is connected with a release pressure rod (13) in a penetrating and sliding manner, one end of the release pressure rod (13) is connected with an intermediate connecting rod (14) in a rotating manner, the middle section of the intermediate connecting rod (14) is connected with the inner side of the sliding block (3) at the joint of the pressure rod cavity and the spring cavity in a rotating manner, one end of the intermediate connecting rod (14) is connected with a locking plate connecting rod (15) in a rotating manner, the locking plate connecting rod (15) is connected to one side of the spring cavity in a sliding manner and extends to the outer part of the sliding block (3), one end of the locking plate connecting rod (15) is connected with a connecting rod spring (16), and one end of the connecting rod spring (16) is connected with the other side of the spring cavity, the connecting rod spring (16) is located the outside one end position department of slider (3) and is fixed with lockplate (22), one side of slider (3) is fixed with drag hook lift adjustment mechanism.
2. The neurosurgical retractor holder according to claim 1, wherein the retractor lifting mechanism comprises a frame (10) fixed on one side of the slider (3), a cross beam sliding groove is formed in the inner side of the frame (10), a sliding cross beam (11) is slidably connected to the inner side of the cross beam sliding groove, a lifting screw rod (12) is rotatably connected to the top end position inside the frame (10), the lifting screw rod (12) is rotatably connected to the inner side of the sliding cross beam (11) through screw teeth, and a telescopic retractor mechanism is fixed on one side of the sliding cross beam (11) at the middle position.
3. The neurosurgical retractor holder is characterized in that the telescopic retractor mechanism comprises a fixing rod (17) arranged on one side of a sliding cross beam (11), a threaded telescopic rod (18) is slidably inserted into the inner side of the fixing rod (17), a convex ring (19) is fixed to the outer side of the fixing rod (17) at one end, a knob (20) is rotatably sleeved to one end of the fixing rod (17) at the position outside the convex ring (19), an internal thread is arranged on the inner side of the knob (20), the knob (20) is rotatably connected with the threaded telescopic rod (18) through the internal thread, and a retractor (21) is fixed to one end of the threaded telescopic rod (18).
4. The neurosurgical retractor fixator according to claim 1, wherein a rubber pad is bonded to one side of the locking plate (22), and the rubber pad has a thickness of 1 mm.
5. The neurosurgical retractor fixer according to claim 1, wherein the main frame (1) is made of aluminum alloy, and two ends of the main frame (1) are fixed with limiting blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021706980.4U CN213758371U (en) | 2020-08-17 | 2020-08-17 | Retractor fixer for neurosurgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021706980.4U CN213758371U (en) | 2020-08-17 | 2020-08-17 | Retractor fixer for neurosurgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213758371U true CN213758371U (en) | 2021-07-23 |
Family
ID=76902445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021706980.4U Expired - Fee Related CN213758371U (en) | 2020-08-17 | 2020-08-17 | Retractor fixer for neurosurgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213758371U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027844A (en) * | 2022-01-07 | 2022-02-11 | 诺尔医疗（深圳）有限公司 | Implant device |
| CN114916968A (en) * | 2022-03-21 | 2022-08-19 | 宜兴市人民医院 | Intelligent retractor fixer for neurosurgery |
-
2020
- 2020-08-17 CN CN202021706980.4U patent/CN213758371U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027844A (en) * | 2022-01-07 | 2022-02-11 | 诺尔医疗（深圳）有限公司 | Implant device |
| CN114027844B (en) * | 2022-01-07 | 2022-04-22 | 诺尔医疗（深圳）有限公司 | Implant device |
| CN114916968A (en) * | 2022-03-21 | 2022-08-19 | 宜兴市人民医院 | Intelligent retractor fixer for neurosurgery |
| CN114916968B (en) * | 2022-03-21 | 2024-04-02 | 宜兴市人民医院 | Intelligent retractor fixer for neurosurgery |
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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: 20210723 |