CN112263340A

CN112263340A - Thighbone drag hook device for operation

Info

Publication number: CN112263340A
Application number: CN202011235256.2A
Authority: CN
Inventors: 曹灵杰
Original assignee: Hangzhou Huahui Pharmaceutical Technology Co Ltd
Current assignee: Hangzhou Huahui Pharmaceutical Technology Co Ltd
Priority date: 2020-11-08
Filing date: 2020-11-08
Publication date: 2021-01-26

Abstract

The invention discloses a femur retractor device for operation, which relates to the technical field of medical instruments and comprises a mounting rack, wherein the top of the mounting rack is fixedly connected with a shell, the top of the shell is fixedly connected with a limiting column, a supporting rod is movably connected inside the limiting column, the top of the supporting rod is fixedly connected with a cross arm, two sides of the top of the cross arm are fixedly connected with fixing blocks, and a rotating shaft is rotatably connected between the fixing blocks. According to the invention, the distance between the drag hooks can be automatically adjusted by arranging the drag hook distance adjusting structure and driving the rotating shaft to rotate through the motor, so that the use is more convenient, the drag hooks cannot shift and are safer to use, and the height of the drag hook can be adjusted along with the supporting rod through the matching among the limiting column, the supporting rod, the rotating column, the first bevel gear, the second bevel gear and the second motor, so that the labor intensity of medical personnel is reduced, and the drag hook distance adjusting structure is favorable for popularization and use.

Description

Thighbone drag hook device for operation

Technical Field

The invention relates to the technical field of medical instruments, in particular to a femur retractor device for operation.

Background

The common surgery is a clinical subject with the longest history and the most mature development in all surgeries, and with the rapid development of medical science, the subject is continuously refined, the treatment means is continuously improved, and new technology and new method are introduced, so that the common surgery treatment plays more and more important roles, and many diseases which cannot be treated in the past can be cured by the surgery. Artificial hip replacement is an important surgical procedure, the most difficult part of the procedure in which an anterior hip replacement is performed, and the most important part, is the need to raise the patient's femur to facilitate reaming and implantation of the prosthesis.

The distance between the drag hook is not convenient for adjust in the use of current thighbone drag hook device, takes place the aversion easily in the use, has increased the risk of operation, and current drag hook device needs medical personnel to operate through manual, has increased medical personnel's intensity of labour, is unfavorable for using widely.

Therefore, there is a need for a surgical femoral retractor device that solves the above problems.

Disclosure of Invention

Technical problem to be solved

The invention aims to: the invention provides a femur retractor device for operation, aiming at solving the problems that the distance between the retractors of the femur retractor device for operation is inconvenient to adjust and the labor intensity of medical staff is high.

(II) technical scheme

The invention specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a thighbone drag hook device for operation, includes the mounting bracket, the top fixedly connected with casing of mounting bracket, the spacing post of top fixedly connected with of casing, the inside swing joint of spacing post has the bracing piece, the top fixedly connected with xarm of bracing piece, the equal fixedly connected with fixed block in top both sides of xarm, it is connected with the pivot to rotate between the fixed block, first slider and second slider have been cup jointed respectively in the both ends outside of pivot, first telescopic link of one side difference fixedly connected with and second telescopic link of first slider and second slider, the equal fixedly connected with drag hook in one end bottom of xarm is kept away from to first telescopic link and second telescopic link.

Further, one side of the fixed block is fixedly connected with a first motor, and an output shaft of the first motor is fixedly connected with the rotating shaft.

Furthermore, the outer sides of the two ends of the rotating shaft are respectively provided with a left-handed thread and a right-handed thread, and the first sliding block and the second sliding block are respectively in threaded connection with the rotating shaft through the left-handed thread and the right-handed thread.

Further, the inside fixedly connected with second motor of casing, the output shaft fixedly connected with second bevel gear of second motor, the bottom of bracing piece is inside to have cup jointed the rotary column.

Furthermore, a first bevel gear is fixedly connected to the outer side of the bottom of the rotating column, and the first bevel gear is in meshed connection with a second bevel gear.

Further, the support rod is in threaded connection with the rotary column.

Further, the bottom fixedly connected with bottom plate of mounting bracket, the bottom of bottom plate is rotated and is connected with the gyro wheel, the bottom fixedly connected with stopper of bottom plate, the bottom of stopper is equipped with the rubber suction cup, the top fixedly connected with pull rod of rubber suction cup, the bottom fixedly connected with separation blade of pull rod, coil spring has been cup jointed in the bottom outside of pull rod, the top of pull rod is equipped with the fly leaf.

Furthermore, a movable groove is formed in the bottom end of the bottom plate, the spiral spring is located inside the movable groove, a cross shaft penetrates through the inside of the top end of the pull rod, and the movable plate is movably connected with the pull rod through the cross shaft.

(III) advantageous effects

The invention has the following beneficial effects:

1. according to the invention, the distance between the draw hooks can be automatically adjusted by arranging the draw hook distance adjusting structure and driving the rotating shaft to rotate through the motor, so that the use is more convenient, the draw hooks cannot be displaced, and the use is safer.

2. According to the invention, the height of the drag hook can be adjusted along with the supporting rod through the matching of the limiting column, the supporting rod, the rotating column, the first bevel gear, the second bevel gear and the second motor, so that the labor intensity of medical personnel is reduced, and the popularization and the use are facilitated.

3. According to the invention, through the matching between the roller and the sucker, the device is convenient to move, can be kept stable during working, and is more stable and reliable to use.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a perspective view of the retractor distance adjustment structure of the present invention;

FIG. 3 is an internal schematic view of the housing structure of the present invention;

FIG. 4 is a schematic cross-sectional view of the base plate and rubber suction cup configuration of the present invention.

Reference numerals: 1. a mounting frame; 2. a base plate; 3. a roller; 4. a housing; 5. a limiting column; 6. a support bar; 7. a cross arm; 8. a first motor; 9. a fixed block; 10. a limiting block; 11. a rubber suction cup; 12. a baffle plate; 13. a movable groove; 14. a coil spring; 16. a horizontal axis; 17. a pull rod; 18. a movable plate; 19. a first slider; 20. a second slider; 21. a first telescopic rod; 22. a second telescopic rod; 23. a rotating shaft; 24. left-handed threads; 25. right-hand threads; 26. turning the column; 27. a first bevel gear; 28. a second bevel gear; 29. a second motor; 30. and (4) pulling a hook.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-2, a femur retractor device for surgery comprises a mounting frame 1, a top fixedly connected with casing 4 of the mounting frame 1, a top fixedly connected with limit column 5 of the casing 4, a support rod 6 movably connected inside the limit column 5, a top fixedly connected with cross arm 7 of the support rod 6, fixed blocks 9 fixedly connected to both sides of the top of the cross arm 7, a rotating shaft 23 rotatably connected between the fixed blocks 9, a first slider 19 and a second slider 20 are respectively sleeved outside both ends of the rotating shaft 23, a first telescopic rod 21 and a second telescopic rod 22 are respectively fixedly connected to one side of the first slider 19 and one side of the second slider 20, and a retractor 30 fixedly connected to the bottom of one end of the first telescopic rod 21 and the bottom of the second telescopic rod 22 far away from the cross arm 7.

In this embodiment, when the distance between the drag hook 30 needs to be adjusted, start first motor 8, first motor 8's output shaft drives pivot 23 rotatoryly, pivot 23 and

first slider

19 and 20 threaded connection of second slider, thereby make first slider 19 and second slider 20 drive first telescopic link 21 and second telescopic link 22 and remove, first telescopic link 21 and second telescopic link 22 drive drag hook 30 and remove, the realization is to the adjustment of its distance, through setting up drag hook 30 apart from the adjustment structure, it is rotatory to drive pivot 23 through the motor, thereby make the distance between the drag hook 30 can be adjusted automatically, and is more convenient to use, and can not take place to shift between the drag hook 30, it is safer to use.

Example 2

Referring to fig. 1 and 3, the present embodiment is further optimized based on embodiment 1, specifically, a first motor 8 is fixedly connected to one side of the fixed block 9, and an output shaft of the first motor 8 is fixedly connected to the rotating shaft 23.

Specifically, the outer sides of the two ends of the rotating shaft 23 are respectively provided with a left-handed thread 24 and a right-handed thread 25, and the first slider 19 and the second slider 20 are respectively in threaded connection with the rotating shaft 23 through the left-handed thread 24 and the right-handed thread 25.

Specifically, the inside of the housing 4 is fixedly connected with a second motor 29, an output shaft of the second motor 29 is fixedly connected with a second bevel gear 28, and the bottom end of the support rod 6 is sleeved with a rotary column 26.

Specifically, a first bevel gear 27 is fixedly connected to the outer side of the bottom of the rotary column 26, and the first bevel gear 27 is in meshed connection with a second bevel gear 28.

Specifically, the support rod 6 is screwed to the rotary post 26.

In this embodiment, when the height of the drag hook 30 needs to be adjusted, the second motor 29 is started, the output shaft of the second motor 29 drives the second bevel gear 28 to rotate, the second bevel gear 28 drives the first bevel gear 27 to rotate the rotary post 26, the rotary post 26 is in threaded connection with the support rod 6, the rotary post 26 drives the cross arm 7 to move along the Y axis under the action of the limit post 5, the cross arm 7 drives the drag hook 30 to move to adjust the height, the limit post 5 limits the support rod 6 to prevent the support rod 6 from rotating along with the rotary post 26, the first slider 19 and the second slider 20 are enabled to simultaneously move in opposite or opposite directions through the matching between the left-handed thread 24 and the right-handed thread 25, and through the matching between the limit post 5, the support rod 6, the rotary post 26, the first bevel gear 27, the second bevel gear 28 and the second bevel gear 29, the height of the drag hook 30 can be adjusted along with the support rod 6, thereby reducing the labor intensity of medical personnel and being beneficial to popularization and use.

Example 3

Please refer to fig. 1 and 4, the present embodiment is optimized as follows on the basis of example 1 or example 2, specifically, the bottom of the mounting rack 1 is fixedly connected with the bottom plate 2, the bottom of the bottom plate 2 is rotatably connected with the roller 3, the bottom of the bottom plate 2 is fixedly connected with the limiting block 10, the bottom of the limiting block 10 is provided with the rubber suction cup 11, the top of the rubber suction cup 11 is fixedly connected with the pull rod 17, the bottom of the pull rod 17 is fixedly connected with the catch 12, the outer side of the bottom of the pull rod 17 is sleeved with the coil spring 14, and the top of the pull rod 17 is provided with the movable.

Specifically, the bottom end of the bottom plate 2 is provided with a movable groove 13, the coil spring 14 is located inside the movable groove 13, a cross shaft 16 penetrates through the top end of the pull rod 17, and the movable plate 18 is movably connected with the pull rod 17 through the cross shaft 16.

In this embodiment, when needing to carry out portable, the device can remove through the gyro wheel 3 of 2 bottoms on the bottom plate, in the device use, rotate fly leaf 18 90 degrees, make its bottom drive pull rod 17 upward movement, pull rod 17 makes coil spring 14 compression through driving separation blade 12 this moment, the middle part that pull rod 17's bottom drove rubber suction cup 11 removes, 11 bottoms of rubber suction cup and the cavity volume grow of ground formation this moment, under the effect of atmospheric pressure difference, rubber suction cup 11 is in the same place with the close laminating in ground, fix the device, cooperation between gyro wheel 3 and the sucking disc, not only make the device be convenient for remove, and make the device can remain stable when work, use more reliable and more stable.

In summary, the following steps: according to the invention, by arranging the drag hook 30 distance adjusting structure, the motor drives the rotating shaft 23 to rotate, so that the distance between the drag hooks 30 can be automatically adjusted, the use is more convenient, the drag hooks 30 cannot be displaced, the use is safer, and the height of the drag hook 30 of the device can be adjusted along with the supporting rod 6, so that the labor intensity of medical personnel is reduced, and the device is favorable for popularization and use.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a thighbone drag hook device for operation, includes mounting bracket (1), its characterized in that: the top of the mounting rack (1) is fixedly connected with a shell (4), the top of the shell (4) is fixedly connected with a limit column (5), a supporting rod (6) is movably connected inside the limiting column (5), a cross arm (7) is fixedly connected at the top of the supporting rod (6), both sides of the top of the cross arm (7) are fixedly connected with fixed blocks (9), a rotating shaft (23) is rotatably connected between the fixed blocks (9), the outer sides of the two ends of the rotating shaft (23) are respectively sleeved with a first sliding block (19) and a second sliding block (20), one side of the first sliding block (19) and one side of the second sliding block (20) are respectively and fixedly connected with a first telescopic rod (21) and a second telescopic rod (22), the bottom of one end of each of the first telescopic rod (21) and the second telescopic rod (22) far away from the cross arm (7) is fixedly connected with a drag hook (30).

2. The femoral retractor device of claim 1, wherein: the motor is characterized in that one side of the fixing block (9) is fixedly connected with a first motor (8), and an output shaft of the first motor (8) is fixedly connected with the rotating shaft (23).

3. The femoral retractor device of claim 1, wherein: the outer sides of two ends of the rotating shaft (23) are respectively provided with a left-handed thread (24) and a right-handed thread (25), and the first sliding block (19) and the second sliding block (20) are respectively in threaded connection with the rotating shaft (23) through the left-handed thread (24) and the right-handed thread (25).

4. The femoral retractor device of claim 1, wherein: the inside fixedly connected with second motor (29) of casing (4), the output shaft fixedly connected with second bevel gear (28) of second motor (29), the bottom of bracing piece (6) is inside to be cup jointed rotary column (26).

5. The femoral retractor device of claim 4, wherein: the outer side of the bottom of the rotating column (26) is fixedly connected with a first bevel gear (27), and the first bevel gear (27) is in meshed connection with a second bevel gear (28).

6. The femoral retractor device of claim 4, wherein: the support rod (6) is in threaded connection with the rotary column (26).

7. The femoral retractor device of claim 1, wherein: the bottom fixedly connected with bottom plate (2) of mounting bracket (1), the bottom of bottom plate (2) is rotated and is connected with gyro wheel (3), the bottom fixedly connected with stopper (10) of bottom plate (2), the bottom of stopper (10) is equipped with rubber suction cup (11), the top fixedly connected with pull rod (17) of rubber suction cup (11), the bottom fixedly connected with separation blade (12) of pull rod (17), coil spring (14) have been cup jointed in the bottom outside of pull rod (17), the top of pull rod (17) is equipped with fly leaf (18).

8. The femoral retractor device of claim 7, wherein: the bottom end of the bottom plate (2) is provided with a movable groove (13), the spiral spring (14) is located inside the movable groove (13), a transverse shaft (16) penetrates through the top end of the pull rod (17), and the movable plate (18) is movably connected with the pull rod (17) through the transverse shaft (16).