Orthopedic care walking aid

Abstract

The utility model provides an orthopedics nursing walking aid device belongs to medical instrument technical field, it includes frame main part, the both sides of frame main part are equipped with handrail pole, the inside symmetry of two handrail poles is provided with torso lateral limit structure, the limit structure includes side wing arm, elastic reset hinged member, limit stopper and adjustable flexible support, the lower part of side wing arm is hinged to corresponding side handrail pole through elastic reset hinged member, and the incremental reset torque is outputted with swinging outward to form the progressive elastic constraint, limit stopper is located in the hinged position, and the rigid stop is formed when the side wing arm swings to the preset limit angle, adjustable flexible support is attached to the inner side wall of side wing arm, and it is adapted to different torso sizes, the utility model discloses that the progressive elastic constraint is combined with rigid stop, provides torso lateral support while giving consideration to comfort and security, and adjustable flexible support adapts to different patient body shape, and the versatility is strong.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to an orthopedic nursing walking aid device. Background Technology

[0002] Orthopedic walking aids are rehabilitation devices used to assist patients with lower limb fractures, joint replacement surgery, or lower limb muscle weakness in standing and walking training. Existing walking aids typically consist of a frame with handrails on both sides. Patients hold onto the handrails and use the frame's support to stand and walk. Typical structures include four-legged walking frames or wheeled walking carts. The frame is often made of bent or welded aluminum alloy tubing, with an open front for patient access and handrails on both sides for the patient to hold onto and distribute their weight.

[0003] However, existing orthopedic walking aids have the following shortcomings in practical use: when patients have weak trunk strength or their bodies tilt to the side during walking, the handrails only provide upward support, lacking effective lateral restraint and support for the patient's trunk. The patient's trunk is prone to shifting to one side or even tilting, leading to instability and increasing the risk of falls. For rehabilitation care of patients after hip replacement surgery or scoliosis, trunk lateral stability is particularly important, and existing walking aids are insufficient to meet the care needs of such patients.

[0004] Therefore, it is necessary to propose an orthopedic nursing mobility aid to solve the above problems. Utility Model Content

[0005] This application provides an orthopedic nursing walking aid device. To address the limitations of existing technologies where effective lateral trunk mechanical restraint often comes at the cost of restricted upper limb movement and reduced gait freedom, while pursuing upper limb freedom and natural gait makes it difficult to establish stable and controllable mechanical limits on lateral trunk deviation. Currently, no walking aid device can accurately and effectively apply mechanical restraint to lateral trunk deviation without restricting the upper limbs or interfering with natural gait. This deficiency hinders the effectiveness of orthopedic rehabilitation training and addresses technical issues related to patient compliance.

[0006] This application provides an orthopedic nursing walking aid device, including a frame body with handrails on both sides. Lateral torso limiting structures are symmetrically arranged on the inner sides of the two handrails. Each limiting structure includes a wing arm, an elastic reset hinge, a limiting block, and an adjustable flexible support. The lower part of the wing arm is hinged to the corresponding side handrail via the elastic reset hinge, and outputs an increasing reset torque as it swings outward to form a progressive elastic constraint. The limiting block is located at the hinge position and forms a rigid stop when the wing arm swings to a preset limit angle. The adjustable flexible support is attached to the inner wall of the wing arm to adapt to different torso sizes.

[0007] The technical solutions described above in this application embodiment have at least the following technical effects: By symmetrically setting a lateral limiting structure for the torso on the inner side of the handrail, and using an elastic reset hinge to provide an increasing reset torque when the patient's torso shifts laterally, a progressive elastic constraint is formed instead of an instantaneous rigid impact. This avoids excessive lateral tilting of the patient's torso and retains buffer space, improving comfort. At the same time, the limiting block provides a rigid stop when the lateral arm swings to a preset limit angle, preventing excessive outward swing of the lateral arm and ensuring safe limiting. The adjustable flexible support can adapt to the torso size of different patients, improving the versatility and fit of the device.

[0008] In this embodiment, the side arm includes a first side arm and a second side arm. An extension bracket extending inward is provided on the handrail. Support brackets are respectively provided at the bottom of the first side arm and the second side arm. The support brackets and the extension brackets are hinged by a torsion spring. The limiting block is provided at the rear end of the extension bracket to limit the rotation angle of the support bracket.

[0009] In some embodiments, the adjustable flexible support includes an inflatable airbag and an inflation assembly, wherein the inflatable airbag is disposed on the inner wall of the first side wing arm and the second side wing arm respectively; and the inflation assembly is connected to the inflatable airbag through an inflation pipe.

[0010] In this embodiment, the inflation assembly includes a squeeze-type inflation ball and a connecting strap. The squeeze-type inflation ball is fixed to the rear side of the first side wing arm and the second side wing arm via the connecting strap. The squeeze-type inflation ball is connected to the inflatable airbag via the inflation pipe.

[0011] In some embodiments, the support bracket is a height-adjustable structure, the support bracket includes an outer tube and an inner rod, the inner rod is slidably sleeved inside the outer tube, and the outer tube is provided with a locking member for locking the inner rod at a preset height position inside the outer tube.

[0012] In some embodiments, the inner walls of the first and second side wings are arc-shaped concave surfaces, and the radius of curvature of the arc-shaped concave surfaces is adapted to the contour curve of the side of the human torso.

[0013] In some embodiments, the limiting block is integrally formed with the extension bracket, and the stopping surface of the limiting block matches the contact surface of the side wing arm at the preset limit angle.

[0014] The beneficial effects of this invention are as follows: By symmetrically setting a lateral limiting structure for the torso on the inner side of the handrail, and using an elastic reset hinge to provide an increasing reset torque when the patient's torso shifts laterally, a progressive elastic constraint is formed, rather than an instantaneous rigid impact. This avoids excessive lateral tilting of the patient's torso while retaining buffer space, thus improving comfort. At the same time, the limiting block provides a rigid stop when the lateral arm swings to a preset limit angle, preventing excessive outward swing of the lateral arm and ensuring safe limiting. The adjustable flexible support can adapt to the torso size of different patients, improving the versatility and fit of the device. Attached Figure Description

[0015] Figure 1 A three-dimensional structural schematic diagram of the orthopedic nursing mobility aid provided in the embodiments of this application; Figure 2 A three-dimensional structural diagram of the limiting structure and the inflatable airbag provided in the embodiments of this application; Figure 3 This is a cross-sectional structural diagram of the support bracket provided in an embodiment of this application; The following are the labeling elements in the figure: 1. Frame body; 11. Handrail; 2. Limiting structure; 21. First side wing arm; 22. Second side wing arm; 23. Extension bracket; 24. Support bracket; 25. Torsion spring; 26. Limiting block; 3. Inflatable airbag; 31. Hand-squeezable inflatable ball; 32. Connecting strap; 33. Inflation tubing. Detailed Implementation

[0016] Therefore, to improve upon the limitations of existing technologies, achieving effective lateral trunk mechanical restraint often comes at the cost of restricted upper limb movement and reduced gait freedom. Conversely, pursuing upper limb freedom and natural gait makes it difficult to establish stable and controllable mechanical limits for lateral trunk deviation. Currently, no walking aid can accurately and effectively apply mechanical restraint to lateral trunk deviation without restricting the upper limbs or interfering with natural gait. This deficiency hinders the effectiveness of orthopedic rehabilitation training and addresses the technical issues of patient compliance. The embodiments of this application provide the following solution.

[0017] Please refer to the following: Figures 1 to 3This utility model provides an orthopedic nursing walking aid device, which includes a frame body 1. The frame body 1 is a hollow frame structure formed by bending or welding aluminum alloy tubing, with an open front to allow patient entry. Foot pads or casters can be installed at the bottom of the frame body 1 to adapt to different surface conditions. Handrails 11 are symmetrically arranged on both sides of the frame body 1, providing support for the patient's hands, bearing part of their weight, and offering walking support.

[0018] Core component – ​​Lateral restraint structure of the torso The inner sides of the two handrails 11 are symmetrically provided with trunk lateral restraint structures 2. The trunk lateral restraint structures 2 are used to provide elastic restraint and restraint protection when the patient's trunk shifts laterally, so as to prevent the patient from tilting and falling.

[0019] The lateral trunk restraint structure 2 includes a side arm, an elastic reset hinge, a restraint block 26, and an adjustable flexible support. The lower part of the side arm is hinged to the corresponding handrail 11 via the elastic reset hinge, allowing the side arm to swing outward around the hinge axis. The elastic reset hinge outputs an increasing reset torque as the outward swing angle of the side arm increases, thus forming a progressive elastic constraint. That is, the more the patient's trunk shifts laterally, the greater the lateral support force felt, rather than a sudden application of a constant force, improving comfort and safety.

[0020] In this embodiment, the elastic reset hinge is a torsion spring 25. Exemplarily, the elastic reset hinge can also be a spring plate assembly, a clock spring, or an elastic sleeve, or other elastic hinge structure capable of outputting an increasing reset torque; those skilled in the art can select according to actual needs.

[0021] Specific structure of the wing arm Furthermore, the side wing arms include a first side wing arm 21 and a second side wing arm 22. The first side wing arm 21 and the second side wing arm 22 are arranged at intervals along the length of the handrail 11, corresponding to the front and rear regions of the patient's torso, respectively, to provide more comprehensive lateral support. An extension bracket 23 extending inward is provided on the handrail 11, and the extension bracket 23 can be fixed to the inner wall of the handrail 11 by welding or bolting. Support brackets 24 are respectively provided at the bottom of the first side wing arm 21 and the second side wing arm 22, and the support brackets 24 are hinged to the extension brackets 23 by the torsion spring 25.

[0022] One end of the torsion spring 25 is fixedly connected to the extension bracket 23, and the other end is fixedly connected to the support bracket 24. When the lateral arm (first lateral arm 21 or second lateral arm 22) swings outward under the action of the lateral force on the patient's torso, the support bracket 24 rotates around the hinge point, causing the torsion spring 25 to twist. The restoring torque of the torsion spring 25 increases with the increase of the torsion angle, realizing a progressive elastic constraint on the patient's torso. When the external force disappears, the restoring torque of the torsion spring 25 drives the lateral arm to return to its initial position.

[0023] Limit block The limiting block 26 is disposed at the rear end of the extension bracket 23 and is used to limit the rotation angle of the support bracket 24. When the lateral arm swings outward to a preset limit angle, the support bracket 24 contacts the limiting block 26, and the limiting block 26 forms a rigid stop, preventing the lateral arm from continuing to swing outward, thereby ensuring that the lateral displacement of the patient's torso does not exceed a safe range. For example, the preset limit angle can be 30° to 45°, and the specific angle value can be adjusted according to the patient's body shape and rehabilitation needs.

[0024] In a preferred embodiment, the limiting block 26 is integrally formed with the extension bracket 23. The stopping surface of the limiting block 26 matches the contact surface of the side wing arm at the preset limit angle, thereby increasing the contact area, reducing contact stress, and improving the reliability of the stop and the service life of the structure. The integrally formed structure reduces assembly steps and improves structural strength.

[0025] Adjustable flexible support The adjustable flexible support is attached to the inner wall of the side arm and is used to contact the side of the patient's torso to accommodate different torso sizes.

[0026] In this embodiment, the adjustable flexible support includes an inflatable airbag 3 and an inflation assembly. The inflatable airbag 3 is respectively disposed on the inner wall of the first side arm 21 and the second side arm 22. The inflatable airbag 3 can be made of medical-grade silicone or TPU material, which has good flexibility and biocompatibility. The inflation assembly is connected to the inflatable airbag 3 through an inflation tube 33. By inflating different volumes of gas into the inflatable airbag 3, the expansion degree of the inflatable airbag 3 can be adjusted, thereby changing the thickness of the adjustable flexible support to adapt to the torso size of different patients, so that the side arms maintain a proper fit with the patient's torso, neither too tight and oppressive nor too loose and ineffective.

[0027] For example, the adjustable flexible support can also be a detachable flexible pad with different thicknesses, or a mechanical screw adjustable support plate, as long as the support thickness can be adjusted to adapt to different torso sizes.

[0028] Furthermore, the inflation assembly includes a squeeze-type inflation ball 31 and a connecting strap 32. The squeeze-type inflation ball 31 is a manually operated, press-to-inflate structure with an internal one-way valve; repeated pressing inflates the inflatable airbag 3. The squeeze-type inflation ball 31 also has a deflation valve; pressing the deflation valve releases gas when the airbag volume needs to be reduced. The squeeze-type inflation ball 31 is fixed to the rear side of the first side wing arm 21 and the second side wing arm 22 via the connecting strap 32, facilitating operation by the patient or caregiver. The squeeze-type inflation ball 31 is connected to the inflatable airbag 3 via an inflation tube 33, which can be a medical-grade flexible tube, running along the outer wall of the side wing arm and fixed in place.

[0029] Support bracket height adjustment In some embodiments, the support bracket 24 is a height-adjustable structure. The support bracket 24 includes an outer tube and an inner rod, the inner rod being slidably fitted inside the outer tube, and the outer tube having a locking element. By adjusting the depth to which the inner rod is inserted into the outer tube, the overall height of the support bracket 24 can be changed, thereby adjusting the installation height of the side wing arm so that the support position of the trunk lateral restraint structure 2 matches the trunk lateral support needs of patients of different heights. After adjustment, the inner rod is locked at a preset height position inside the outer tube by the locking element. Exemplarily, the locking element can be a spring pin, a bolt locking sleeve, or an eccentric locking handle.

[0030] Side arm inner wall shape In a preferred embodiment, the inner walls of the first side arm 21 and the second side arm 22 are arc-shaped concave surfaces, and the radius of curvature of the arc-shaped concave surfaces is adapted to the contour curve of the side of the human torso. The arc-shaped concave surfaces increase the contact area between the side arms and the patient's torso, making the supporting force more evenly distributed on the side of the torso, reducing local pressure concentration, and improving the patient's wearing comfort.

[0031] Usage process In use, the patient enters the frame body 1 and holds the handrails 11 on both sides. The inflatable airbag 3 is inflated via the inflation assembly, and the thickness of the adjustable flexible support is adjusted so that the inner sides of the first and second side wings 21 and 22 fit comfortably against the patient's torso. When the patient's torso shifts to one side during walking, the side wing on that side swings outward under the lateral force of the torso, and the torsion spring 25 outputs an increasing restoring torque, providing progressive elastic support and guiding the patient's torso back to the correct position. If the shift angle is too large, the limiting block 26 forms a rigid stop at a preset limit angle to prevent further lateral tilting and ensure safety.

[0032] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An orthopedic nursing walking aid device, comprising a frame body (1), both sides of the frame body (1) are provided with handrails (11), characterized in that: The inner sides of the two handrails (11) are symmetrically provided with a torso lateral limiting structure (2); The limiting structure (2) includes a side wing arm, an elastic reset hinge, a limiting block (26) and an adjustable flexible support. The lower part of the side wing arm is hinged to the corresponding side handrail (11) through the elastic reset hinge. As it swings outward, it outputs an increasing reset torque to form a progressive elastic constraint. The limiting block (26) is located at the hinge position and forms a rigid stop when the side wing arm swings to the preset limit angle; The adjustable flexible support is attached to the inner wall of the side arm to adapt to different body sizes.

2. The orthopedic care walking assistance device according to claim 1, wherein: The side arm includes a first side arm (21) and a second side arm (22). An extension bracket (23) extending inward is provided on the handrail (11). Support brackets (24) are respectively provided at the bottom of the first side arm (21) and the second side arm (22). The support bracket (24) and the extension bracket (23) are hinged by a torsion spring (25). The limiting block (26) is provided at the rear end of the extension bracket (23) to limit the rotation angle of the support bracket (24).

3. The orthopedic care walking aid of claim 2, wherein: The adjustable flexible support includes an inflatable airbag (3) and an inflation component. The inflatable airbag (3) is respectively disposed on the inner wall of the first side wing arm (21) and the second side wing arm (22). The inflation component is connected to the inflatable airbag (3) through an inflation pipe (33).

4. The orthopedic care walking aid of claim 3, wherein: The inflation assembly includes a squeeze-type inflation ball (31) and a connecting strap (32). The squeeze-type inflation ball (31) is fixed to the rear side of the first side wing arm (21) and the second side wing arm (22) via the connecting strap (32). The squeeze-type inflation ball (31) is connected to the inflatable airbag (3) via the inflation pipe (33).

5. The orthopedic care walking assistance device of claim 2, wherein: The support bracket (24) is a height-adjustable structure. The support bracket (24) includes an outer tube and an inner rod. The inner rod is slidably fitted inside the outer tube. The outer tube is provided with a locking member, which is used to lock the inner rod at a preset height position inside the outer tube.

6. The orthopedic nursing mobility aid according to claim 2, characterized in that: The inner walls of the first side wing arm (21) and the second side wing arm (22) are arc-shaped concave surfaces, and the radius of curvature of the arc-shaped concave surfaces is adapted to the contour curve of the side of the human torso.

7. The orthopedic care walking assistance device of claim 2, wherein: The limiting block (26) is integrally formed with the extension bracket (23), and the stop surface of the limiting block (26) matches the contact surface of the side arm at the preset limit angle.

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