Orthopedic repair straight leg lifting exercise device

Abstract

The invention discloses an orthopedic repair straight leg lifting exercise device, and relates to the technical field of orthopedic nursing instruments.The orthopedic repair straight leg lifting exercise device comprises a base frame arranged on a base, a lifting mechanism is arranged on the base frame and comprises a foot fixing device, a swing rod, a connecting rod and a rotating disc, one end of the swing rod is hinged to the base frame, and the foot fixing device is hung at the other end of the swing rod; the other end of the connecting rod is hinged to the outer edge of the rotating disc, the rotating disc and the base frame form a rotating connection relation, and a transmission shaft of the rotating disc is connected with a power device. According to the leg lifting training device, periodic lifting and falling of legs are achieved through the swing lifting mechanisms, meanwhile, a patient with normal upper limbs carries out leg lifting training by himself / herself, the nursing labor intensity of nurses is effectively relieved, and the nursing pressure of the nurses is relieved; adjustment of different exercise postures is achieved, corresponding muscle groups of a patient are fully trained, and the recovery speed is increased.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of orthopedic nursing apparatus, and particularly relates to a straight leg raising exercise device for orthopedic repair. BACKGROUND

[0002] Straight leg raising rehabilitation training is a training often performed by a patient in a postoperative recovery period, which can effectively accelerate the recovery speed of the patient and ensure better surgical efficacy. The straight leg raising rehabilitation training can promote blood circulation, thereby reducing inflammatory reaction, subsiding edema, reducing swelling, preventing venous thrombosis and nerve root adhesion, and simultaneously can improve the brachial quadriceps muscle strength and maintain the knee joint stability. The straight leg raising rehabilitation training is a common rehabilitation exercise for orthopedics when a patient is prepared to walk after surgery. Early leg raising training can also prevent lower limb muscle atrophy and reduce the incidence of venous thrombosis.

[0003] In the clinic, the straight leg raising rehabilitation training is usually assisted by special medical staff, which not only needs more time and energy of the medical staff, but also when there are many patients, the medical staff are simply too busy to cope with, which leads to that some patients may not be able to effectively perform the straight leg raising rehabilitation training in time or the training time and frequency are insufficient, thereby reducing the recovery speed of the patient and even making the postoperative effect worse. Meanwhile, when the patient lies on the bed to perform the straight leg raising rehabilitation training of the single leg, the hip muscle group movement state during walking cannot be simulated, and the training effect is difficult to guarantee. SUMMARY

[0004] The present application aims to provide a straight leg raising exercise device for orthopedic repair, so as to solve the problems that the patient in a postoperative recovery period needs the assistance of nurses to perform the straight leg raising rehabilitation training, the efficiency is not high, and the training effect is difficult to guarantee.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0006] A straight leg raising exercise device for orthopedic repair, comprising a base, a base frame is arranged on the base, a lifting mechanism is arranged on the base frame, the lifting mechanism comprises a foot fixing device, a swing rod, a connecting rod and a rotating disc, one end of the swing rod is hingedly connected to the base frame, and the other end of the swing rod suspends the foot fixing device, one end of the connecting rod is hingedly connected to the swing rod, and the other end of the connecting rod is hingedly connected to the outer edge of the rotating disc, the rotating disc and the base frame constitute a rotary connection relationship, a transmission shaft of the rotating disc is connected to a power device, the power device is fixed to an extension frame of the base frame, and the extension frame extends towards the end away from the foot fixing device.

[0007] Further, the power device comprises a hand crank and a chain wheel, the hand crank and the extension frame of the base frame constitute a rotary connection relationship, the hand crank is in a Z shape, the hand crank and the transmission shaft of the rotating disc are both provided with the chain wheel, and the chain wheels constitute a transmission connection through a chain.

[0008] Furthermore, the lifting mechanism is mirror-mounted on both sides of the base frame.

[0009] Furthermore, both rotating disks on both sides of the base frame are equipped with hinge shafts, which are hinged to the connecting rods. The outer edges of each rotating disk are symmetrically provided with two mounting holes for the hinge shafts relative to the center of the rotating disk. The mounting holes and the hinge shafts are detachably connected, and the mounting holes of the rotating disks are mirror images of each other.

[0010] Furthermore, the foot fixing device includes a rotating ring, a connecting strap, and a pocket strap. The rotating ring and the swing rod are hinged together. The connecting strap connects the rotating ring and the pocket strap. The pocket strap is arc-shaped and its top end is connected to the connecting strap.

[0011] Furthermore, the sprocket and chain are covered with a protective shell.

[0012] The principle and beneficial effects of this technical solution:

[0013] 1. This invention employs a swing-lifting mechanism to achieve periodic raising and lowering of the legs. Specifically, the rotation of the rotating disc is transmitted to the swing rod via a connecting rod, causing the swing rod to swing periodically. This, in turn, raises and lowers the leg fixing device located at the distal end of the swing rod, thereby achieving the purpose of leg raising exercises. Simultaneously, the rotating disc is powered by hand cranking, allowing patients with normal upper limbs to perform leg raising training independently, effectively reducing the workload and stress on nurses.

[0014] 2. This invention features symmetrical lifting mechanisms on both sides of the base frame, and two centrally symmetrical mounting holes on the rotating disk. When the connecting rods on both sides of the base frame are hinged to the mounting holes on the same side of the rotating disk via detachable hinge shafts, the lifting mechanisms on both sides of the base frame move up and down synchronously, allowing the patient's two legs to be raised simultaneously for training. When the connecting rods on both sides of the base frame are hinged to the mounting holes on opposite sides of the rotating disk via detachable hinge shafts, the lifting mechanisms on both sides of the base frame move up and down asynchronously, allowing the patient's legs to be raised alternately for training. This enables adjustments to different exercise postures, allowing the corresponding muscle groups of the patient to be fully trained and accelerating the recovery speed. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of an asynchronous leg raise exercise device for orthopedic repair.

[0016] Figure 2 This is a schematic diagram of a straight leg raise exercise device for orthopedic repair, showing the overall synchronous raising mechanism.

[0017] The reference numerals in the accompanying drawings include:

[0018] 1. Base; 2. Base frame; 3. Extension frame; 4. Lifting mechanism; 5. Foot fixing device; 501. Rotating ring; 502. Connecting belt; 503. Sling; 6. Power unit; 601. Hand crank; 602. Sprocket; 603. Chain; 7. Swing rod; 8. Connecting rod; 9. Rotating disk; 10. Protective shell; 11. Hinge shaft; 12. Mounting hole. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the embodiments and accompanying drawings. Here, the illustrative embodiments and descriptions of this invention are used to explain the invention, but are not intended to limit the invention.

[0020] It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only structures and / or processes closely related to the solution according to the invention are shown in the accompanying drawings, while other details that are not closely related to the invention are omitted.

[0021] It should be emphasized that the term "including / comprises" as used herein refers to the presence of a feature, element, or component, but does not exclude the presence or addition of one or more other features, elements, or components.

[0022] In the following description, embodiments of the invention will be illustrated with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or similar parts.

[0023] Example 1

[0024] refer to Figure 1 An orthopedic straight leg raise exercise device includes a base 1, a base frame 2 on the base 1, and a lifting mechanism 4 on the base frame 2. The lifting mechanism 4 includes a foot fixation device 5, a swing rod 7, a connecting rod 8, and a rotating disk 9. One end of the swing rod 7 is hinged to the base frame 2, and the other end suspends the foot fixation device 5. One end of the connecting rod 8 is hinged to the swing rod 7, and the other end is hinged to the outer edge of the rotating disk 9. The rotating disk 9 and the base frame 2 are rotatably connected. The drive shaft of the rotating disk 9 is connected to a power device 6. When the power device 6 transmits power to the rotating disk 9, the rotating disk 9 rotates, causing the swing rod 7 connected to the connecting rod 8 to swing periodically, thereby raising and lowering the leg fixation device at the distal end of the swing rod 7 to achieve the purpose of leg raise exercise.

[0025] The power unit 6 is fixed to the extension frame 3 of the base frame 2. The extension frame 3 extends away from the foot fixation device 5. This extension allows the power unit 6 to suspend above the patient's chest and abdomen when the patient is lying flat under the device, facilitating hand control. The power unit 6 includes a hand crank 601 and a sprocket 602. The hand crank 601 is rotatably connected to the extension frame 3 of the base frame 2. The hand crank 601 is Z-shaped. Both the hand crank 601 and the drive shaft of the rotating disk 9 are equipped with sprockets 602, which are connected by a chain 603. To prevent unnecessary danger during use, the sprockets 602 and chain 603 are covered with a protective shell 10. For easier patient use, the hand crank 601 is also designed as a rotatable handle.

[0026] When the patient lies flat under the device, a patient with healthy upper limbs can manually crank the hand crank 601 to drive the sprocket 602 and chain 603, providing power to the rotating disc 9, and independently perform straight leg raise training. This effectively reduces the workload and stress on nurses. Simultaneously, the hand crank method significantly reduces costs, effectively alleviating the financial burden on hospitals and patients' families. It is worth noting that this invention can obviously use other power output devices such as motors to provide power, with the same principle as the hand crank 601. To prevent the motor from rotating too fast, a gearbox should be added to the transmission chain to reduce speed and increase torque. A switch should also be included to control the motor's start and stop, along with other necessary structures, such as the necessary components to maintain the motor's normal function, like a power supply, which will not be elaborated here.

[0027] The foot fixation device 5 includes a rotating ring 501, a connecting strap 502, and a pocket 503. The rotating ring 501 is hinged to the swing rod 7. The connecting strap 502 connects the rotating ring 501 and the pocket 503. The pocket 503 is arc-shaped, with its top end connected to the connecting strap 502. The rotating ring 501 is hinged to the distal end of the swing rod 7 using a bearing, ensuring that when the swing rod 7 swings, both the connecting strap 502 and the pocket 503 connected to it are vertically downward, thus achieving the function of raising the patient's leg. At the same time, the connecting strap 502 is usually made of flexible fabric to eliminate the impact force that the patient's leg may experience when being raised and lowered. The arc-shaped pocket 503 can conform as closely as possible to the shape of the patient's calf or ankle, increasing the patient's user experience. The pocket 503 can be made of flexible fabric, flexible leather, or other similar artificial materials, such as nylon. In addition, the inner side of the pocket 503 can be reinforced with cushioning materials such as sponge to further enhance the patient's user experience.

[0028] When in use, place the base 1 of the device flat, place the base frame 2 between the legs, and place the leg to be exercised in the strap 503 of the foot fixing device 5. By shaking the hand crank 601 suspended above the patient's chest and abdomen, the patient can control the device to perform leg lifting training. The hand crank provides power, and the patient can freely adjust the training speed according to the feedback from their own legs to ensure that the training intensity is suitable for the patient's own situation.

[0029] Example 2

[0030] refer to Figure 1 and Figure 2 As another embodiment of the present invention, this embodiment differs from Embodiment 1 in that the lifting mechanism 4 is mirror-mounted on both sides of the base frame 2, enabling simultaneous leg-raising training for the patient. Post-operatively, prolonged bed rest may prevent sufficient muscle stretching, leading to a gradual reduction, thinning, and loss of elasticity in muscle fibers. Slower blood circulation and reduced muscle activity further decrease blood flow, hindering nutrient delivery to muscle tissue and accelerating atrophy. Neurological function deteriorates; prolonged disuse of certain muscle groups weakens the neural connections between the brain and muscles, resulting in decreased motor coordination. Reduced basal metabolism and energy expenditure cause muscle breakdown to exceed synthesis, accelerating muscle loss. Therefore, simultaneous leg-raising training is necessary to restore muscle function and prepare the patient for post-operative ambulation.

[0031] Meanwhile, in this embodiment, both rotating disks 9 on both sides of the base frame 2 are equipped with hinge shafts 11. The hinge shafts 11 and the connecting rods 8 form a hinge relationship. The outer edge of each rotating disk 9 is symmetrically provided with two mounting holes 12 for the hinge shafts 11 relative to the center of the rotating disk 9. The mounting holes 12 and the hinge shafts 11 form a detachable connection relationship. The mounting holes 12 of the rotating disk 9 are mirror images of each other.

[0032] refer to Figure 2 When the connecting rods 8 on both sides of the base frame 2 are hinged to the mounting holes 12 on the same side of the rotating disk 9 via detachable hinge shafts 11, the lifting mechanisms 4 on both sides of the base frame 2 rise and fall synchronously, allowing the patient's two legs to be raised simultaneously during training. (Reference) Figure 1 When the connecting rods 8 on both sides of the base frame 2 are respectively hinged to the mounting holes 12 on the opposite side of the rotating disk 9 through the detachable hinge shafts 11, the lifting mechanisms 4 on both sides of the base frame 2 rise and fall asynchronously, so that the patient's legs are raised alternately for training, thereby achieving the adjustment of different exercise postures, so that the corresponding muscle groups of the patient can be fully trained and the recovery speed can be accelerated.

[0033] It should be clarified that the present invention is not limited to the specific configurations and processes described above and shown in the figures. For the sake of brevity, detailed descriptions of known methods are omitted here. In the above embodiments, several specific structures are described and shown as examples. However, the method process of the present invention is not limited to the specific structures described and shown, and those skilled in the art can make various changes, modifications, and additions after understanding the spirit of the present invention.

[0034] In this invention, features described and / or illustrated for one embodiment may be used in the same or similar manner in one or more other embodiments, and / or combined with or in place of features of other embodiments.

[0035] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, various modifications and variations of the embodiments of the present invention are possible. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An orthopedic repair straight leg raise exercise device, characterized by: The application relates to a lifting device, which comprises a base (1) provided with a base frame (2), a lifting mechanism (4) provided on the base frame (2), a foot fixing device (5), a swing rod (7), a connecting rod (8) and a rotating disc (9), one end of the swing rod (7) is hinged to the base frame (2), the other end of the swing rod (7) is suspended to the foot fixing device (5), one end of the connecting rod (8) is hinged to the swing rod (7), the other end of the connecting rod (8) is hinged to the outer edge of the rotating disc (9), the rotating disc (9) is in rotary connection with the base frame (2), the transmission shaft of the rotating disc (9) is connected to a power device (6), the power device (6) is fixed to the extension frame (3) of the base frame (2), and the extension frame (3) extends away from the foot fixing device (5).

2. The orthopedic repair straight leg raise exercise device of claim 1, wherein: The power device (6) comprises a hand rocker (601) and a chain wheel (602), the hand rocker (601) is in rotary connection with the extension frame (3) of the base frame (2), the hand rocker (601) is in Z-shaped, the hand rocker (601) and the transmission shaft of the rotating disc (9) are provided with the chain wheel (602), and the chain wheels (602) are in transmission connection through a chain (603).

3. The orthopedic repair straight leg raise exercise device of claim 2, wherein: The lifting mechanism (4) is mirror image arranged on both sides of the base frame (2).

4. The orthopedic repair straight leg raise exercise device of claim 3, wherein: The rotating disc (9) is provided with a hinge shaft (11) on both sides of the base frame (2), the hinge shaft (11) is in hinged connection with the connecting rod (8), the outer edge of the rotating disc (9) is provided with two mounting holes (12) of the hinge shaft (11) which are symmetrically arranged relative to the center of the rotating disc (9), the mounting hole (12) is in detachable connection with the hinge shaft (11), and the mounting holes (12) of the rotating disc (9) are in mirror image corresponding relationship.

5. The orthopedic repair straight leg raise exercise device of any of claims 1-4, wherein: The foot fixing device (5) comprises a rotating ring (501), a connecting belt (502) and a bag belt (503), the rotating ring (501) is in hinged connection with the swing rod (7), the connecting belt (502) connects the rotating ring (501) and the bag belt (503), and the bag belt (503) is in arc shape and is connected to the connecting belt (502) at the top end.

6. The orthopedic repair straight leg raise exercise device of claim 5, wherein: The chain wheel (602) and the chain (603) are coated with a protective shell (10).

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