CN213665460U - Drag hook for orthopedic operation - Google Patents
Drag hook for orthopedic operation Download PDFInfo
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- CN213665460U CN213665460U CN202022539039.4U CN202022539039U CN213665460U CN 213665460 U CN213665460 U CN 213665460U CN 202022539039 U CN202022539039 U CN 202022539039U CN 213665460 U CN213665460 U CN 213665460U
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- screw rod
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- drag hook
- fixing
- lifting
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Abstract
The utility model relates to the technical field of medical instruments, in particular to a retractor for orthopedic surgery; the lifting device comprises a fixed plate, wherein a first fixing mechanism matched with the fixed plate is arranged on the fixed plate, a fixed sleeve is fixedly connected onto the fixed plate, a lifting rod is connected in the fixed sleeve in a sliding mode, and a first lifting mechanism matched with the lifting rod is arranged in the fixed plate; the lifting rod is connected with a first screw rod in a sliding manner, the lifting rod is connected with a movable nut matched with the first screw rod in a rotating manner, and the first screw rod is provided with a sliding chute matched with the lifting rod; one end of the first screw rod is fixedly connected with a fixed catch, the other end of the first screw rod is fixedly connected with a fixed drag hook, the first screw rod is slidably connected with a movable drag hook, and a first adjusting mechanism matched with the movable drag hook is arranged in the first screw rod; the utility model has ingenious conception and simple operation; effectively solved among the prior art fixed insecure and can not all-round regulation scheduling problem, greatly satisfied medical personnel's work demand, improved medical personnel's work efficiency.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a retractor for orthopedic surgery.
Background
The fixed drag hook is also called a retractor, is a common traction device in orthopedics, and has the function of pulling tissues such as skin, muscle and the like so as to facilitate the operation and observation of doctors. The drag hook is of various types and different shapes, the general requirements of the drag hook are that the surface is smooth, the edge, the burr, the sand hole, the crack and the bending degree are suitable, the connection is firm, the use is light and flexible, the most important thing is that the stability after the expansion can be flexibly controlled, and once the drag hook is fixed, the drag hook cannot be naturally loosened. In the prior art, the draw hook is generally divided into a handheld draw hook and a fixed draw hook, when the draw hook is used, the tension force must be uniform and gentle, and the condition that the operated part is stimulated to cause tissue damage or influence the normal operation of the operation is avoided; for orthopedic surgery, a fixing drag hook is often needed so as to meet the surgical requirements, but the fixing drag hook in the prior art has the problems of insecure fixation, large volume, incomplete function, difficult operation and the like, and can not be simply adjusted to realize all-round operation; therefore, there is a high necessity for a retractor for orthopedic surgery.
SUMMERY OF THE UTILITY MODEL
In order to achieve the purpose, the utility model provides a drag hook for orthopedic surgery has effectively solved among the prior art fixed insecure and can not all-round regulation scheduling problem, has greatly satisfied medical personnel's work demand, has improved medical personnel's work efficiency.
In order to achieve the above object, the utility model provides a following technical scheme: the retractor for the orthopedic surgery comprises a fixing plate, wherein a first fixing mechanism matched with the fixing plate is arranged on the fixing plate, a fixing sleeve is fixedly connected onto the fixing plate, a lifting rod is connected in the fixing sleeve in a sliding mode, and a first lifting mechanism matched with the lifting rod is arranged in the fixing plate; the lifting rod is connected with a first screw rod in a sliding manner, the lifting rod is connected with a movable nut matched with the first screw rod in a rotating manner, and the first screw rod is provided with a sliding chute matched with the lifting rod; the first screw rod one end rigid coupling has fixed separation blade, first screw rod other end rigid coupling has fixed drag hook, sliding connection has movable drag hook on the first screw rod, be provided with in the first screw rod with activity drag hook matched with first adjustment mechanism.
Further: the first adjusting mechanism comprises a movable sliding column which is connected in a first screw rod in a sliding manner, a rotating stud is rotationally connected in the first screw rod, and the rotating stud is rotationally connected with the movable sliding column; sliding connection has the integral key shaft in the rotatory double-screw bolt, the coaxial rigid coupling has first drive gear on the integral key shaft, the first screw rod internal rotation is connected with the second drive gear with first drive gear matched with, the coaxial rigid coupling of second drive gear has the second worm wheel, rotate on the first screw rod and be connected with the second worm with second worm wheel matched with.
Further: the first lifting mechanism comprises a first worm rotatably connected with a fixed block, a first worm wheel matched with the first worm is rotatably connected with the fixed block, the first worm wheel is coaxially and fixedly connected with a second screw rod, and the second screw rod is in threaded connection with the lifting rod; the lifting rod is provided with a sliding groove matched with the fixed sleeve.
Further: the first fixing mechanism comprises a fixing nut which is screwed on the fixing plate, and a fixing gasket is fixedly connected on the fixing nut.
Further: both sides of the fixed drag hook and the movable drag hook are provided with a certain radian.
Compared with the prior art, the utility model discloses a gain effect is:
the utility model has the advantages of ingenious conception and simple operation, the first fixing mechanism, the first lifting mechanism, the first adjusting mechanism and the first screw rod are matched to realize the all-dimensional adjustment of the utility model, and on the other hand, the fixed drag hook and the movable drag hook are matched to support the affected part of the patient; effectively solved among the prior art fixed insecure and can not all-round regulation scheduling problem, greatly satisfied medical personnel's work demand, improved medical personnel's work efficiency.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the first lifting mechanism of the present invention.
Fig. 3 is a partial cutaway view of the first lifting mechanism of the present invention.
Fig. 4 is a partial perspective view of the first screw rod of the present invention.
Fig. 5 is a perspective view of the first adjusting mechanism of the present invention.
Fig. 6 is a partial perspective view of the first adjusting mechanism of the present invention.
In the figure: 1. the device comprises a fixing plate, 2, a fixing nut, 3, a fixing gasket, 4, a fixing sleeve, 5, a lifting rod, 6, a first screw rod, 7, a movable nut, 8, a fixing draw hook, 9, a movable draw hook, 10, a fixing baffle, 11, a first worm, 12, a first worm wheel, 13, a second screw rod, 14, a movable sliding column, 15, a rotating stud, 16, a spline shaft, 17, a first transmission gear, 18, a second transmission gear, 19, a second worm wheel, 20 and a second worm.
Detailed Description
The retractor for the orthopedic surgery comprises a fixing plate 1, wherein a first fixing mechanism matched with the fixing plate 1 is arranged on the fixing plate 1, a fixing sleeve 4 is fixedly connected onto the fixing plate 1, a lifting rod 5 is connected in the fixing sleeve 4 in a sliding mode, and a first lifting mechanism matched with the lifting rod 5 is arranged in the fixing plate 1; the lifting rod 5 is connected with a first screw rod 6 in a sliding manner, the lifting rod 5 is connected with a movable nut 7 matched with the first screw rod 6 in a rotating manner, and the first screw rod 6 is provided with a sliding groove matched with the lifting rod 5; one end of the first screw rod 6 is fixedly connected with a fixed catch 10, the other end of the first screw rod 6 is fixedly connected with a fixed drag hook 8, the first screw rod 6 is slidably connected with a movable drag hook 9, and a first adjusting mechanism matched with the movable drag hook 9 is arranged in the first screw rod 6.
As shown in fig. 1, 2, 4 and 5: when the medical staff operates the utility model, after the medical staff fixes the utility model through the first fixing mechanism, the medical staff can ascend the utility model to a proper height through the first elevating mechanism, after the utility model is adjusted to a proper height, the medical staff can adjust the position of the first screw 6 through rotating the movable nut 7, when the fixed drag hook 8 on the first screw 6 is moved to the position where the patient needs to be propped open, the setting of the fixed catch 10 avoids the excessive operation; the medical staff can drive the movable drag hook 9 to slide by adjusting the first adjusting mechanism, thereby realizing the purpose of opening the affected part of the patient; the utility model has the advantages of ingenious conception and simple operation; effectively solved among the prior art fixed insecure and can not all-round regulation scheduling problem, greatly satisfied medical personnel's work demand, improved medical personnel's work efficiency.
The first adjusting mechanism comprises a movable sliding column 14 which is connected with the first screw rod 6 in a sliding mode, a rotating stud 15 is connected with the first screw rod 6 in a rotating mode, and the rotating stud 15 is connected with the movable sliding column 14 in a rotating mode; a spline shaft 16 is connected in the rotary stud 15 in a sliding manner, a first transmission gear 17 is coaxially and fixedly connected to the spline shaft 16, a second transmission gear 18 matched with the first transmission gear 17 is rotatably connected in the first screw rod 6, a second worm gear 19 is coaxially and fixedly connected to the second transmission gear 18, and a second worm 20 matched with the second worm gear 19 is rotatably connected to the first screw rod 6.
As shown in fig. 5 and 6: the medical staff rotates the second worm 20, the second worm 20 rotates and drives the second transmission gear 18 to rotate through the second worm wheel 19, the second transmission gear 18 drives the rotary stud 15 to rotate in the first screw rod 6 through the first transmission gear 17 and the spline shaft 16, so that the movable sliding column 14 is driven to slide in the first screw rod 6, and the movable sliding column 14 slides and drives the movable drag hook 9 to slide on the first screw rod 6.
The first lifting mechanism comprises a first worm 11 which is rotationally connected with a fixed block, a first worm wheel 12 which is matched with the first worm 11 is rotationally connected with the fixed block, the first worm wheel 12 is coaxially and fixedly connected with a second screw 13, and the second screw 13 is in threaded connection with the lifting rod 5; the lifting rod 5 is provided with a sliding groove matched with the fixed sleeve 4.
As shown in fig. 2 and 3: when adjusting first elevating system, medical personnel rotate first worm 11, and first worm 11 drives second screw 13 through first worm wheel 12 and rotates, and under the sliding action of fixed sleeve 4 and lifter 5, second screw 13 rotates and drives lifter 5 and goes up and down.
The first fixing mechanism comprises a fixing nut 2 which is screwed on the fixing plate 1, and a fixing gasket 3 is fixedly connected on the fixing nut 2.
As shown in fig. 4: medical personnel are fixed the utility model discloses the time, the rotatable fixation nut 2 of medical personnel is right under the fixed shim 3 effect the utility model discloses fasten.
Both sides of the fixed drag hook 8 and the movable drag hook 9 are provided with a certain radian.
As shown in fig. 1: the drag hook setting of certain radian has effectively avoided pulling the in-process again and has caused secondary damage to the patient.
The utility model discloses a working process does:
as shown in fig. 1, 2, 4 and 5: when operating the utility model, the medical staff can pass through the first fixing mechanism to fix the utility model, and when fixing the utility model, the medical staff can rotate the fixing nut 2 and fasten the utility model under the action of the fixing gasket 3; then, the medical staff can lift the utility model to a proper height through the first lifting mechanism, the medical staff rotates the first worm 11, the first worm 11 drives the second screw 13 to rotate through the first worm wheel 12, and the second screw 13 rotates to drive the lifting rod 5 to lift under the sliding action of the fixed sleeve 4 and the lifting rod 5; after the utility model is adjusted to a proper height, the medical staff can adjust the position of the first screw rod 6 by rotating the movable nut 7, and when the fixed drag hook 8 on the first screw rod 6 is moved to the position where the patient needs to be opened, the arrangement of the fixed baffle piece 10 avoids the excessive operation; the medical staff can drive the movable drag hook 9 to slide by adjusting the first adjusting mechanism in the process; the medical staff rotates the second worm 20, the second worm 20 rotates and drives the second transmission gear 18 to rotate through the second worm wheel 19, the second transmission gear 18 drives the rotary stud 15 to rotate in the first screw rod 6 through the first transmission gear 17 and the spline shaft 16, so that the movable sliding column 14 is driven to slide in the first screw rod 6, the movable sliding column 14 slides and drives the movable drag hook 9 to slide on the first screw rod 6, and therefore the affected part of the patient is propped open; the draw hook with a certain radian is arranged, so that secondary damage to a patient in the redrawing process is effectively avoided; the utility model has the advantages of ingenious conception and simple operation; effectively solved among the prior art fixed insecure and can not all-round regulation scheduling problem, greatly satisfied medical personnel's work demand, improved medical personnel's work efficiency.
Claims (5)
1. Drag hook for bone surgery, its characterized in that: the fixing device comprises a fixing plate (1), wherein a first fixing mechanism matched with the fixing plate is arranged on the fixing plate (1), a fixing sleeve (4) is fixedly connected onto the fixing plate (1), a lifting rod (5) is connected in the fixing sleeve (4) in a sliding mode, and a first lifting mechanism matched with the lifting rod (5) is arranged in the fixing plate (1); the lifting rod (5) is connected with a first screw rod (6) in a sliding mode, the lifting rod (5) is connected with a movable nut (7) matched with the first screw rod (6) in a rotating mode, and a sliding groove matched with the lifting rod (5) is formed in the first screw rod (6); first screw rod (6) one end rigid coupling has fixed separation blade (10), first screw rod (6) other end rigid coupling has fixed drag hook (8), sliding connection has movable drag hook (9) on first screw rod (6), be provided with in first screw rod (6) with activity drag hook (9) matched with adjustment mechanism.
2. The retractor for orthopedic surgery according to claim 1, characterized in that: the first adjusting mechanism comprises a movable sliding column (14) which is connected with the first screw rod (6) in a sliding mode, a rotating stud (15) is connected in the first screw rod (6) in a rotating mode, and the rotating stud (15) is connected with the movable sliding column (14) in a rotating mode; sliding connection has integral key shaft (16) in rotatory double-screw bolt (15), coaxial rigid coupling has first drive gear (17) on integral key shaft (16), first screw rod (6) internal rotation is connected with second drive gear (18) with first drive gear (17) matched with, the coaxial rigid coupling of second drive gear (18) has second worm wheel (19), rotate on first screw rod (6) and be connected with second worm wheel (19) matched with second worm (20).
3. The retractor for orthopedic surgery according to claim 1, characterized in that: the first lifting mechanism comprises a first worm (11) which is rotationally connected with a fixed block, a first worm wheel (12) which is matched with the first worm (11) is rotationally connected with the fixed block, the first worm wheel (12) is coaxially and fixedly connected with a second screw rod (13), and the second screw rod (13) is in threaded connection with the lifting rod (5); the lifting rod (5) is provided with a sliding groove matched with the fixed sleeve (4).
4. The retractor for orthopedic surgery according to claim 1, characterized in that: the first fixing mechanism comprises a fixing nut (2) which is screwed on the fixing plate (1), and a fixing gasket (3) is fixedly connected on the fixing nut (2).
5. The retractor for orthopedic surgery according to claim 1, characterized in that: both sides of the fixed drag hook (8) and the movable drag hook (9) are provided with a certain radian.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022539039.4U CN213665460U (en) | 2020-11-04 | 2020-11-04 | Drag hook for orthopedic operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022539039.4U CN213665460U (en) | 2020-11-04 | 2020-11-04 | Drag hook for orthopedic operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213665460U true CN213665460U (en) | 2021-07-13 |
Family
ID=76728405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022539039.4U Active CN213665460U (en) | 2020-11-04 | 2020-11-04 | Drag hook for orthopedic operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213665460U (en) |
-
2020
- 2020-11-04 CN CN202022539039.4U patent/CN213665460U/en active Active
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