CN216603034U - A traction device for lower extremity orthopedic surgery - Google Patents

Abstract

The utility model discloses a lower limb orthopedic surgery traction device, and particularly relates to the technical field of orthopedic traction devices. According to the utility model, the mounting frame is fixed at one end of the sickbed, so that the adjusting rod at the top of the mounting frame is fixed, then the height of the adjusting rod is adjusted, the limiting is carried out through the fixing bolt, the top of the fixing bolt is connected with the first idler wheel through the first supporting seat, the front side of the mounting frame is connected with the second idler wheel through the second supporting seat, and the traction rope is connected between the first idler wheel and the second idler wheel, so that the patient is dragged through the traction rope.

Description

A traction device for lower extremity orthopedic surgery

technical field

The utility model relates to the technical field of orthopedic traction devices, in particular to a traction device for lower limb orthopedic surgery.

Background technique

Traction is to use the principle of force and reaction force in mechanics, through the traction of gravity, to relieve the tension and retraction of the soft tissue at the fracture and dislocation, and reduce the fracture or dislocation, so as to achieve the therapeutic effect. Traction can be divided into continuous It is mainly used in lower limb orthopaedic surgery. Bone traction is the use of steel needles or traction forceps to pass through the bone, so that the traction force directly passes through the bone to reach the injury site.

The prior art has the following deficiencies: the orthopaedic traction devices currently on the market are relatively simple in structure and lack an adjustment structure. When in use, the traction device cannot be adjusted according to the state of the user, and at the same time, it lacks the limit of the hook, resulting in The hook is easy to shake.

Utility model content

Therefore, the present invention provides a traction device for lower extremity orthopaedic surgery to solve the problem that the traction device cannot be adjusted according to the user's state due to the lack of an adjustment structure in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a traction device for lower limb orthopaedic surgery, comprising a mounting frame, the top of the mounting frame is fixedly provided with an adjusting rod, and the outer end of the adjusting rod is threadedly connected with a fixing bolt, A first support seat is fixed on both sides of the top of the adjusting rod, a connecting rod is provided on one side of the two first support seats, and a first support seat is movably connected between the two connecting rods through a bearing. Roller, two second support seats are fixedly installed on the front side of the mounting frame, one side of the two second support seats are provided with connecting rods, and a first connecting rod is movably connected between the two connecting rods through bearings. Two rollers, a traction rope is connected between the first roller and the second roller, a hook is fixedly connected to the bottom end of the second support base, and a plurality of first sliders are fixedly arranged at the outer end of the hook, so The front side of the mounting frame is fixedly provided with two fixing columns, the two fixing columns are located below the second support base, a limit cylinder is connected between the two fixing columns, and the hook is slidably installed on the limit Inside the cylinder, the inside of the mounting frame is provided with a fixing structure. When in use, the adjusting rod is fixed by the fixed mounting frame, and then the height of the adjusting rod is adjusted and fixed by the fixing bolt. The top of the adjusting rod passes through the first support seat A first roller is connected, the front side of the mounting frame is connected with a second roller through a second support base, a traction rope is connected between the first roller and the second roller, and the patient is pulled by the traction rope.

Further, the fixing structure includes a clamping plate, the clamping plate is arranged inside the mounting frame, and both ends of one side of the clamping plate are fixedly connected with a first sliding rod, and the first sliding rod is slidably installed Inside the second sliding rod, the second sliding rod penetrates through the front side of the mounting frame, and one end of the second sliding rod extends out of the front side of the mounting frame, and the outer end of the first sliding rod is fixedly provided with a plurality of Two sliding blocks, a plurality of the second sliding blocks are slidably embedded in the inner wall of the second sliding rod, and the inner part of the second sliding rod is provided with a transmission structure. The threaded rod is driven to rotate, and the two threaded rods are connected by a belt, so that the threaded rods rotate at the same time, the threaded rod will drive the first sliding rod to move, and the first sliding rod will stabilize the mounting frame.

Further, a section of one side of the clamping plate is processed into a concave-convex surface to increase the frictional force of the clamping plate.

Further, the inside of the second sliding rod is provided with a first sliding groove, and the size of the first sliding groove is adapted to the second sliding block, and the second sliding rod is slidably installed on the second sliding rod through the second sliding block. internal.

Further, the transmission structure includes two threaded rods, the two threaded rods are respectively movably connected inside the second sliding rod through bearings, and one end of the threaded rod penetrates the front side of the second sliding rod, and the two threaded rods The rods are respectively connected with the first sliding rod, and one end of the two threaded rods is provided with a pulley, and a belt is connected between the two pulleys. The handle will drive the threaded rod to rotate, the two ends of the threaded rod are provided with pulleys, and the two pulleys are connected by a belt, so the threaded rod will rotate at the same time.

Further, the inside of the first sliding rod is processed with an internal thread, the outer end of the threaded rod is processed with an external thread, and the first sliding rod is threadedly connected with the threaded rod. When the threaded rod rotates, the threaded rod will cause The first slider moves.

Further, the outer end of the adjusting rod is provided with a reinforcing rib, and the bottom of the reinforcing rib is fixedly connected with the mounting frame, so as to increase the stability of the connection between the adjusting rod and the mounting frame.

Further, a second chute is opened inside the limit cylinder, and the size of the second chute is adapted to the first slider, so that the first slider can slide inside the limit cylinder, so as to avoid the hook in the Shake while working.

The utility model has the following advantages:

1. The utility model is provided with a mounting frame, an adjusting rod, a fixing bolt and a first support seat. When in use, the mounting frame is fixed at one end of the hospital bed, so as to fix the adjusting rod on the top of the mounting frame, and then adjust the adjustment rod. The height is limited by the fixing bolt. The top of the fixing bolt is connected with the first roller through the first support seat, and the front side of the mounting frame is connected with the second roller through the second support seat, and the first roller is connected with the second roller. There is a traction rope, so that the patient can be pulled through the traction rope;

2. By setting the clamping plate, the first sliding rod, the second sliding rod and the second sliding block in the present invention, when in use, the mounting frame is buckled on one side of the hospital bed, and then the turning handle is rotated to make the second sliding rod. The inner threaded rod rotates, and the two threaded rods are connected by a belt, so the two threaded rods will rotate at the same time, and the threaded rod is threadedly connected with the first sliding rod, so the first sliding rod will translate, thereby pushing the clamping plate to move, clamping The plate will hold the mounting bracket in place.

Description of drawings

Fig. 1 is the overall structure schematic diagram that the utility model provides;

Fig. 2 is the side view that the utility model provides;

Fig. 3 is the fixed structure schematic diagram provided by the utility model;

Fig. 4 is the enlarged view of A in Fig. 1 provided by the utility model;

FIG. 5 is an enlarged view of B in FIG. 3 provided by the present invention.

In the figure: 1. Mounting frame, 2. Adjusting rod, 3. Fixing bolt, 4. First support seat, 5. Connecting rod, 6. First roller, 7. Second support seat, 8. Second roller, 9. Traction rope, 10. Hook, 11. A slider, 12 fixed column, 13 limit cylinder, 14 clamping plate, 15 first sliding rod, 16 second sliding rod, 17 second sliding block, 18 threaded rod, 19 pulley, 20 belt, 21 turning handle.

Detailed ways

The embodiments of the present invention will be described below by specific specific embodiments. Those who are familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are of the present invention. Some examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to Figures 1-2 and 4 of the specification, a traction device for lower extremity orthopaedic surgery in this embodiment includes a mounting frame 1 , an adjusting rod 2 is fixedly arranged on the top of the mounting frame 1 , and an outer end of the adjusting rod 2 is provided with There is a reinforcing rib, and the bottom of the reinforcing rib is fixedly connected with the mounting frame 1, the outer end of the adjusting rod 2 is threadedly connected with a fixing bolt 3, and both sides of the top of the adjusting rod 2 are fixedly provided with a first support seat 4, Because one side of the two first support bases 4 is provided with a connecting rod 5, a first roller 6 is movably connected between the two connecting rods 5 through bearings, and the front side of the mounting frame 1 is fixedly installed with a Two second support bases 7, one side of the two second support bases 7 is provided with a connecting rod 5, a second roller 8 is movably connected between the two said connecting rods 5 through bearings, the first A traction rope 9 is connected between the roller 6 and the second roller 8 , a hook 10 is fixedly connected to the bottom end of the second support base 7 , and a plurality of first sliders 11 are fixedly arranged at the outer end of the hook 10 . The front side of the mounting frame 1 is fixedly provided with two fixing columns 12 , the two fixing columns 12 are located below the second support base 7 , and a limiting cylinder 13 is connected between the two fixing columns 12 . The hook 10 is slidably installed inside the limiting cylinder 13 , a second chute is opened inside the limiting cylinder 13 , and the size of the second chute is adapted to the first slider 11 . A fixing structure is provided. When in use, the adjusting rod 2 is fixed by the fixed mounting bracket 1, and then the height of the adjusting rod 2 is adjusted, and the fixing bolt 3 is used for fixing. A roller 6, the front side of the mounting frame 1 is connected with a second roller 8 through the second support base 7, and a traction rope 9 is connected between the first roller 6 and the second roller 8, and the patient is pulled through the traction rope 9.

The implementation scenario is as follows: during use, the adjusting rod 2 on the top of the mounting frame 1 is fixed by fixing the mounting frame 1 on one end of the bed, and then the height of the adjusting rod 2 is adjusted, and the fixed bolt 3 is used to limit the position, and the fixed bolt The top of 3 is connected with a first roller 6 through the first support seat 4, the front side of the mounting frame 1 is connected with a second roller 8 through the second support seat 7, and a traction rope is connected between the first roller 6 and the second roller 8 9, so that the patient is pulled through the traction rope 9.

Referring to Figures 1-3 and 5 of the specification, a traction device for lower extremity orthopaedic surgery in this embodiment further includes a fixing structure, and the fixing structure includes a clamping plate 14, and a cross-section of one side of the clamping plate 14 is processed into concave and convex On the other hand, the clamping plate 14 is arranged inside the mounting frame 1, and both ends of one side of the clamping plate 14 are fixedly connected with a first sliding rod 15, and the first sliding rod 15 is slidably installed on the second sliding rod 16, the second sliding rod 16 penetrates through the front side of the mounting frame 1, and one end of the second sliding rod 16 extends out of the front side of the mounting frame 1, and the outer end of the first sliding rod 15 is fixedly provided with a plurality of The second sliding block 17, a plurality of the second sliding blocks 17 are slidably embedded in the inner wall of the second sliding rod 16, a first sliding groove is opened inside the second sliding rod 16, and the size of the first sliding groove Matching with the second sliding block 17 , the second sliding rod 16 is slidably installed inside the second sliding rod 16 through the second sliding block 17 , and a transmission structure is provided inside the second sliding rod 16 , and the transmission structure includes Two threaded rods 18, the two threaded rods 18 are respectively movably connected inside the second sliding rod 16 through bearings, and one end of the threaded rod 18 penetrates the front side of the second sliding rod 16, and the two threaded rods 18 are respectively It is threadedly connected with the first sliding rod 15, the inside of the first sliding rod 15 is processed with internal threads, the outer end of the threaded rod 18 is processed with external threads, and the first sliding rod 15 is threadedly connected with the threaded rod 18, One end of the two threaded rods 18 is provided with a pulley 19, a belt 20 is connected between the two pulleys 19, and a rotating handle 21 is fixed on the front side of one of the threaded rods 18, and the rotating handle 21 will drive the The threaded rod 18 rotates, the two ends of the threaded rod 18 are provided with pulleys 19, and the two pulleys 19 are connected by the belt 20, so the threaded rod 18 will rotate at the same time, and the threaded rod 18 will drive the first sliding rod 15 to move, the first The sliding rod 15 will stabilize the mounting frame 1 .

The specific implementation scenario is as follows: when in use, the mounting frame 1 is buckled on the side of the hospital bed, and then the turning handle 21 is rotated, so that the threaded rod 18 inside the second sliding rod 16 will rotate, and the two threaded rods 18 are connected by the belt 20, so The two threaded rods 18 will rotate at the same time, and the threaded rods are threadedly connected to the first sliding rod 15 , so the first sliding rod 15 will translate, thereby pushing the clamping plate 14 to move, and the clamping plate 14 will fix the mounting frame 1 .

Although the present utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the present utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not departing from the spirit of the present invention belong to the scope of protection of the present invention.

Claims (8)

1. A traction device for lower extremity orthopedic surgery, comprising a mounting frame (1), characterized in that: an adjusting rod (2) is fixedly provided on the top of the mounting frame (1), and an outer end thread of the adjusting rod (2) is provided. A fixing bolt (3) is connected, a first support seat (4) is fixedly arranged on both sides of the top of the adjusting rod (2), and a connection is provided on one side of the two first support seats (4). A rod (5), a first roller (6) is movably connected between the two connecting rods (5) through a bearing, and two second support seats (7) are fixedly mounted on the front side of the mounting frame (1). A connecting rod (5) is provided on one side of the two second support seats (7), and a second roller (8) is movably connected between the two connecting rods (5) through bearings. A traction rope (9) is connected between a roller (6) and a second roller (8), and a hook (10) is fixedly connected to the bottom end of the second support seat (7). A plurality of first sliding blocks (11) are fixedly arranged at the ends, and two fixing columns (12) are fixedly arranged on the front side of the mounting frame (1), and the two fixing columns (12) are located at the second support seat Below (7), a limiting cylinder (13) is connected between the two fixing columns (12), and the hook (10) is slidably installed inside the limiting cylinder (13). There is a fixed structure inside. 2. A traction device for lower extremity orthopedic surgery according to claim 1, characterized in that: the fixing structure comprises a clamping plate (14), and the clamping plate (14) is arranged inside the mounting frame (1), Both ends of one side of the clamping plate (14) are fixedly connected with a first sliding rod (15), the first sliding rod (15) is slidably installed inside the second sliding rod (16), and the second sliding rod (15) is slidably installed inside the second sliding rod (16). The sliding rod (16) runs through the front side of the mounting frame (1), and one end of the second sliding rod (16) extends out of the front side of the mounting frame (1), and the outer end of the first sliding rod (15) is fixedly arranged There are a plurality of second sliding blocks (17), the plurality of second sliding blocks (17) are slidably embedded in the inner wall of the second sliding rod (16), and a transmission is arranged inside the second sliding rod (16) structure. 3 . The traction device for lower extremity orthopedic surgery according to claim 2 , wherein a cross section of one side of the clamping plate ( 14 ) is processed into a concave-convex surface. 4 . 4 . The traction device for lower limb orthopedic surgery according to claim 2 , wherein a first chute is opened inside the second sliding rod ( 16 ), and the size of the first chute is the same as that of the second sliding rod. 5 . Block (17) is adapted. 5 . The traction device for lower limb orthopedic surgery according to claim 2 , wherein the transmission structure comprises two threaded rods ( 18 ), and the two threaded rods ( 18 ) are respectively movably connected to the first threaded rod through bearings. 6 . Inside the two sliding rods (16), and one end of the threaded rod (18) penetrates the front side of the second sliding rod (16), the two threaded rods (18) are respectively threadedly connected with the first sliding rod (15), and the two One end of each of the threaded rods (18) is provided with a pulley (19), a belt (20) is connected between the two pulleys (19), and a front side of one of the threaded rods (18) is fixedly provided with a belt (20). Turn handle (21). 6. The traction device for lower extremity orthopedic surgery according to claim 5, characterized in that: the first sliding rod (15) is internally machined with internal threads, and the outer end of the threaded rod (18) is processed with external threads The first sliding rod (15) is threadedly connected with the threaded rod (18). 7 . The traction device for lower extremity orthopedic surgery according to claim 1 , wherein the outer end of the adjusting rod ( 2 ) is provided with a reinforcing rib, and the bottom of the reinforcing rib is fixedly connected to the mounting frame ( 1 ). 8 . 8. The traction device for lower extremity orthopedic surgery according to claim 1, wherein a second chute is opened inside the limiting cylinder (13), and the size of the second chute is the same as that of the first slider. (11) to fit.

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