CN213993871U

CN213993871U - Leg traction device for orthopedic surgery

Info

Publication number: CN213993871U
Application number: CN202021441806.1U
Authority: CN
Inventors: 肖坤; 刘备; 杨杰
Original assignee: Fourth Peoples Hospital of Guiyang
Current assignee: Fourth Peoples Hospital of Guiyang
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-08-20
Anticipated expiration: 2030-07-21

Abstract

The utility model relates to the technical field of medical instruments, and discloses a leg traction device for orthopedic surgery, which comprises a base, wherein a push rod is connected above the base, a chute is arranged at the position above the base, which is close to the push rod, a second leg support is connected inside the chute, a slider connected inside the chute is arranged inside the second leg support, a rack is connected below the slider, a first leg support is connected above the base and at the position close to the chute, the utility model rotates a first rotating shaft through a bearing, the first rotating shaft, a hand wheel, the chute, a slider, a rack and a gear under the rotation connection of the bearing and the first rotating shaft to drive the gear to rotate, under the sliding action of the chute and the slider, the gear drives the slider above the rack to do translational movement in the chute to realize the translational movement of the second leg support on the base, is favorable for changing according to the specific condition of the patient and increases the practicability of the device.

Description

Leg traction device for orthopedic surgery

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a leg traction device for orthopedic surgery.

Background

A common treatment method for traction treatment orthopedics utilizes a traction weight as traction force and body weight as counter traction force through a traction device to relieve muscle tension and strong contraction, slowly reset fracture, prevent and correct soft tissue contracture, and perform preoperative tissue release and postoperative braking.

There are multiple shank draw gear in the existing market, but these shank draw gear ubiquitous, the support of device is the wholeness, can't make the change according to patient's particular case, and the device uses bulky, and medical personnel carry the physical power of consuming big, consequently, technical personnel in the field provide a shank draw gear for bone surgery to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shank draw gear for bone surgery to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a shank draw gear for bone surgery, includes the base, the top of base is connected with the push rod, the position department that the top of base is close to the push rod has seted up the spout, the internal connection of spout has second shank support, the inside of second shank support is including connecting the slider inside the spout, the below of slider is connected with the rack, the top of base and the position department that is close to the spout are connected with first shank support.

As a further aspect of the present invention: the utility model discloses a base, including base, the below of base is connected with a set of bearing frame, the internal connection of bearing frame has the second rotation axis, the both ends of second rotation axis all are connected with the truckle, one side that the bearing frame was kept away from to the below of base is connected with the universal wheel.

As a further aspect of the present invention: the round hole has been seted up to one side of base, the internal connection of round hole has the bearing, the internal connection of bearing has first rotation axis, the one end of first rotation axis is connected with the hand wheel, the other end of first rotation axis is connected with the gear.

As a further aspect of the present invention: the second leg support and the base are connected with the sliding groove in a sliding mode through the sliding block.

As a further aspect of the present invention: the rack is meshed with the outer side of the gear, and the second leg support and the hand wheel are rotatably connected with the first rotating shaft through bearings.

As a further aspect of the present invention: the position of the first leg support corresponds to the position of the second leg support.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through bearing, first rotation axis, hand wheel, spout, slider, rack and gear, under the rotation of bearing and first rotation axis is connected, rotatory first rotation axis drives the gear rotation, under the sliding action of spout and slider, the slider of gear drive rack top is translational movement in the spout, realizes then that second shank support translational movement on the base, is favorable to making the change according to patient's particular case, increases the practicality of device.

2. Through push rod, bearing frame, universal wheel and second rotation axis, under the effect of universal wheel, medical personnel move left or right at the in-process that impels forward through holding the push rod, can realize the multi-angle movement to whole device, are favorable to alleviateing medical personnel's intensity of labour.

Drawings

FIG. 1 is a schematic structural view of a leg traction device for orthopedic surgery;

FIG. 2 is a side view of the underside of the base in a leg distraction device for orthopedic surgery;

FIG. 3 is a schematic structural view of a second leg support in a leg distraction device for orthopedic surgery;

fig. 4 is a schematic structural diagram of a hand wheel and a gear in a leg traction device for orthopedic surgery.

In the figure: 1. a push rod; 2. a base; 3. a bearing; 4. a first rotating shaft; 5. a hand wheel; 6. a circular hole; 7. a caster wheel; 8. a first leg support; 9. a second rotation shaft; 10. a second leg support; 11. a chute; 12. a bearing seat; 13. a universal wheel; 14. a slider; 15. a rack; 16. a gear.

Detailed Description

Please refer to fig. 1-4, in an embodiment of the present invention, a leg traction device for orthopedic surgery, includes a base 2, the top of the base 2 is connected with a push rod 1, a position of the top of the base 2 near the push rod 1 is provided with a sliding chute 11, the inside of the sliding chute 11 is connected with a second leg support 10, the inside of the second leg support 10 includes a sliding block 14 connected inside the sliding chute 11, the lower side of the sliding block 14 is connected with a rack 15, and the position of the top of the base 2 near the sliding chute 11 is connected with a first leg support 8.

In fig. 2: the below of base 2 is connected with a set of bearing frame 12, and the internal connection of bearing frame 12 has second rotation axis 9, and the both ends of second rotation axis 9 all are connected with truckle 7, and the below of base 2 is kept away from one side of bearing frame 12 and is connected with universal wheel 13, and medical personnel are through holding push rod 1, and the in-process that impels forward moves left or right, can realize moving whole device left or right.

In fig. 1 and 4: round hole 6 has been seted up to one side of base 2, and the internal connection of round hole 6 has bearing 3, and the internal connection of bearing 3 has first rotation axis 4, and the one end of first rotation axis 4 is connected with hand wheel 5, and the other end of first rotation axis 4 is connected with gear 16, and medical personnel drive gear 16 of first rotation axis 4 one end and rotate through rotatory hand wheel 5 under the effect of bearing 3.

In fig. 1 and 3: second shank support 10 passes through slider 14 and spout 11 sliding connection with base 2, and under the sliding action of spout 11 and slider 14, gear 16 drives slider 14 above rack 15 and makes translational movement in spout 11, realizes second shank support 10 translational movement on base 2 then.

In fig. 3 and 4: the rack 15 is engaged with the outer side of the gear 16, the second leg support 10 and the hand wheel 5 are rotatably connected with the first rotating shaft 4 through the bearing 3, and the gear 16 at one end of the first rotating shaft 4 can be driven to rotate by rotating the hand wheel 5 under the engagement action of the rack 15 and the gear 16.

In fig. 1: the position of the first leg support 8 corresponds to the position of the second leg support 10, and the medical staff places the patient's leg on the first leg support 8 and then adjusts the second leg support 10 according to the surgical position of the patient, so that the patient's leg is placed on the first leg support 8 and the second leg support 10.

The utility model discloses a theory of operation is: when the leg traction device for orthopedic surgery needs to be used, firstly, medical staff holds the push rod 1, moving the device to the side of the patient during the forward pushing process, adjusting the distance between the first leg support 8 and the second leg support 10 by the surgical position of the patient's leg, rotating the hand wheel 5 by the medical staff, under the effect of bearing 3, drive the gear 16 of first rotation axis 4 one end and rotate, under the meshing effect of rack 15 and gear 16 and the sliding action of spout 11 and slider 14, gear 16 drives slider 14 of rack 15 top and does translational motion in spout 11, realizes that second shank support 10 translational motion on base 2, adjusts the distance between first shank support 8 and the second shank support 10 to the suitable distance of patient, places the leg of patient on first shank support 8 and second shank support 10 again.

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

1. The utility model provides a shank draw gear for bone surgery, includes base (2), its characterized in that, the top of base (2) is connected with push rod (1), position department that the top of base (2) is close to push rod (1) has seted up spout (11), the internal connection of spout (11) has second shank support (10), the inside of second shank support (10) is including connecting slider (14) inside spout (11), the below of slider (14) is connected with rack (15), the top of base (2) and the position department that is close to spout (11) are connected with first shank support (8).

2. The leg traction device for orthopedic surgery according to claim 1, characterized in that a set of bearing seats (12) is connected below the base (2), a second rotating shaft (9) is connected inside the bearing seats (12), two ends of the second rotating shaft (9) are connected with casters (7), and a universal wheel (13) is connected on one side of the lower side of the base (2) far away from the bearing seats (12).

3. The leg traction device for orthopedic surgery according to claim 1, characterized in that a round hole (6) is opened at one side of the base (2), a bearing (3) is connected inside the round hole (6), a first rotating shaft (4) is connected inside the bearing (3), a hand wheel (5) is connected to one end of the first rotating shaft (4), and a gear (16) is connected to the other end of the first rotating shaft (4).

4. Leg traction device for orthopaedic surgery according to claim 1, characterized in that said second leg support (10) is slidingly connected to the base (2) through a sliding block (14) with a sliding slot (11).

5. Leg traction device for orthopaedic surgery according to claim 1, characterized in that the position of said first leg support (8) corresponds to the position of said second leg support (10).