Walking aid for paraplegia and hemiplegia patients

Abstract

The invention relates to the field of medical rehabilitation training equipment, in particular to a walking aid for paraplegia and hemiplegia patients, which comprises a lower chassis, an upper support frame connected to the top of the lower chassis and trundles connected to the bottom of the lower chassis, and further comprises a balance component, a walking component and a walking component, one end of the brake assembly is connected to the upper supporting frame, the other end of the brake assembly is connected to the lower chassis, and the brake assembly is located on the front side of the balance assembly; and the waist support assembly is rotationally connected with the balance assembly. The armpit supporting assembly and the control assembly are arranged on the upper supporting frame; and the traction assembly is connected between the upper support frame and the lower chassis. Through mutual cooperation of the balance assembly, the brake assembly, the waist support assembly, the control assembly and the traction assembly, the technical effects of supporting, weight reducing, walking assisting and balance maintaining in the walking process of a paraplegia and hemiplegia patient can be achieved, and the technical problem that in the prior art, a walking aid is prone to unbalance and toppling is solved.

Description

Technical Field

[0001] This invention relates to the field of medical rehabilitation training equipment, and more particularly to a walking aid for paraplegic and hemiplegic patients. Background Technology

[0002] With the accelerating aging process and the rising incidence of cerebrovascular diseases, spinal cord injuries, and other ailments, the number of paraplegic and hemiplegic patients is growing rapidly. These patients face significant challenges in daily life due to impaired limb motor function, severely impacting their quality of life and rehabilitation progress. Traditional walking aids are mostly single-support structures, providing only basic walking assistance and failing to meet the diverse needs of patients: they lack personalized support and weight-reduction designs, failing to effectively distribute the patient's body weight and increasing the burden of movement; they also have significant deficiencies in balance and anti-tipping capabilities, making it easy for patients to lose balance and fall when they tilt due to exhaustion or sudden situations, causing secondary injuries; furthermore, they lack effective braking measures in emergencies, failing to ensure patient safety in a timely manner. Therefore, developing a new type of walking aid with functions such as support and weight reduction, efficient anti-tipping, and emergency braking has become an urgent need to improve the mobility and quality of life of paraplegic and hemiplegic patients, assisting their rehabilitation treatment, and is of great significance for promoting the development of the medical rehabilitation equipment field and improving the quality of life of patients.

[0003] A search revealed a patent with authorization publication number CN 222533610 U, which discloses a multifunctional walking aid for postoperative walking. The aid includes a walking aid support frame, pulleys fixedly installed at the bottom of the support frame, and an auxiliary component positioned on the side of the support frame. The auxiliary component includes a resting mechanism installed on the side wall of the support frame, and an adjustment mechanism installed at the top of the support frame, located above the resting mechanism. The resting mechanism includes a connecting block fixedly installed on the side wall of the support frame. This application addresses the problem that existing walking aids have simple structures and limited functions, often only supporting the patient's arm to assist walking, but also making it inconvenient for the patient to sit down and rest during walking, thus limiting their usability.

[0004] Although the walking aids in the prior art can achieve the purpose of resting during walking, they may tip over when the patient loses balance during walking, and cannot restore balance and achieve a stable pause. Summary of the Invention

[0005] The existing technology addresses the problem that walking aids may tip over when a patient loses balance during walking, and the technology cannot restore balance and stably pause the movement.

[0006] Technical approach: Starting from the problems of existing technology, this application provides a walking aid for paraplegic and hemiplegic patients. By triggering balance and braking components during tilting and imbalance, it increases the friction with the ground or provides emergency stopping. At the same time, with the tumbler-style center of gravity layout, it ensures that the patient's center of gravity is always kept near the central axis, which significantly enhances the stability of paraplegic and hemiplegic patients during walking.

[0007] To achieve the above technical concept, the technical solution adopted by this invention is as follows: This application provides a walking aid for paraplegic or hemiplegic patients, including a lower chassis, an upper support frame connected to the top of the lower chassis, and casters connected to the bottom of the lower chassis. It also includes: a balance component, one end of which is connected to the upper support frame and the other end of which is connected to the lower chassis; a braking component, one end of which is connected to the upper support frame and the other end of which is connected to the lower chassis and is located in front of the balance component; and a lumbar support component, which is rotatably connected to the balance component and is used to support the waist of paraplegic or hemiplegic patients.

[0008] Preferably, the upper support frame is slidably connected to the lower chassis, thereby allowing the height of the upper support frame to be adjusted.

[0009] Furthermore, a walking aid for paraplegic or hemiplegic patients also includes: an underarm support assembly and a control assembly mounted on an upper support frame; and a traction assembly connected between the upper support frame and the lower chassis, the traction assembly being used to lift the legs of paraplegic or hemiplegic patients.

[0010] Specifically, the balancing assembly includes: a sleeve rotatably connected to the waist support assembly and a piston cylinder frame fixedly connected to the upper support frame, the end of the sleeve being slidably fitted inside the piston cylinder frame; a limiting screw connected to the piston cylinder frame and an air pipe; and a piston cylinder disc rotatably connected to the lower chassis, the end of the air pipe being connected to the piston cylinder disc; and a rubber disc slidably connected to the piston cylinder disc.

[0011] More specifically, the sleeve is a cylindrical structure with one end open, and the end of the sleeve is hinged to the waist support assembly.

[0012] In detail, the piston cylinder disk consists of two parts: an upper part is a disc structure and a lower part is a hollow cylindrical structure. The air pipe is connected to the hollow cylindrical structure at the lower end of the piston cylinder disk.

[0013] Furthermore, the balancing assembly also includes: a piston rod with one end slidably sleeved inside the sleeve, the end of the piston rod being connected to an elastic element, the end of the elastic element being connected to the bottom of the sleeve; a limiting element being provided at the end of the rubber disc, and an elastic element being sleeved on the rubber disc between the limiting element and the piston cylinder disc.

[0014] More specifically, the piston rod has a "T" shaped structure, and as an example, the elastic element connected to the end of the piston rod is a spring.

[0015] More specifically, the rubber disc is composed of a circular T-shaped block and three cylindrical connecting rods on the circular T-shaped block. The ends of the three cylindrical connecting rods are all threaded, and a limiting component is connected through the thread. As an example, the limiting component is a limiting nut.

[0016] Furthermore, the braking assembly includes: an electric push rod A rotatably connected to the upper support frame, and a swing rod rotatably connected to the lower chassis, the swing rod being rotatably connected to the electric push rod A, and a brake ball being connected to the end of the swing rod; a connecting ring fixedly connected to the bottom of the lower chassis, and a pressing frame slidably connected to the connecting ring; the pressing frame cooperating with a caster connected to the front side of the lower chassis; a limiting member being provided at the end of the pressing frame, and an elastic member being sleeved on the pressing frame between the limiting member and the connecting ring.

[0017] It should be noted that both the electric push rod A and the swing rod are rotatably connected to the upper support frame and the lower chassis through the connecting seat. Specifically, the connecting seat is fixedly connected to the upper support frame and the lower chassis, and the electric push rod A and the swing rod are hinged to the connecting seat.

[0018] Specifically, the pressing frame consists of four parts: a circular ring at the bottom of the connecting ring, two cylindrical connecting rods fixedly connected to the circular ring with threads at the ends of the connecting rods, an arc-shaped rod fixedly connected to the front end of the circular ring, and T-shaped limiting rods connected to both ends of the arc-shaped rod. The upper end of the T-shaped limiting rod has a limiting groove, which cooperates with the swing rod.

[0019] Further, the lumbar support assembly includes: a lumbar support rotatably connected to the sleeve, a buckle provided on the rear side of the lumbar support, and a soft pad provided on the inner side of the lumbar support.

[0020] In detail, the lumbar support is an oval structure with an opening on the rear side, and the fastening component includes a buckle and a snap fastener.

[0021] As an example, the cushion can be a rubber cushion or a sponge cushion.

[0022] Furthermore, the underarm support assembly includes: a set of adjustment blocks connected to the upper support frame, with underarm supports connected between the adjustment blocks.

[0023] It should be noted that the adjusting block is slidably connected to the upper support frame, and the position of the adjusting block on the upper support frame can be adjusted. After adjustment, it is fixed by screws.

[0024] In a further step, the control component includes: an electric push rod B connected between the upper support frame and the lower chassis, and a controller mounted on the upper support frame; a pressure sensor is provided at the end of the electric push rod B, and the end of the pressure sensor contacts the upper support frame.

[0025] Specifically, the controller is equipped with a display screen and control buttons.

[0026] Furthermore, the traction assembly includes: a guide plate fixedly connected to the upper support frame, and an electric push rod C fixedly connected to the guide plate, with a traction rope connected to the electric push rod C; the traction rope slides around the guide plate and is connected to the lower limb of the paraplegic or hemiplegic patient.

[0027] Specifically, the bottom of the guide plate is provided with pulleys.

[0028] More specifically, the traction assembly further includes a lower limb traction sleeve connected to the end of the traction rope, which is fitted onto the lower limbs of a paraplegic or hemiplegic patient.

[0029] Specifically, the lower limb traction sleeve has an opening on one side and is connected via Velcro.

[0030] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention, through the cooperation of the balancing component, braking component, lumbar support component, control component, and traction component, can achieve the technical effects of supporting and reducing weight and assisting walking for paraplegic and hemiplegic patients during walking. The enhanced balance and anti-tipping structure design causes the person to tilt and lose balance, triggering braking and increasing the friction with the ground. The overall tumbler structure design keeps the center of gravity near the central axis, enhancing stability.

[0031] 2. This invention provides support and weight reduction for the lumbar region of paraplegic or hemiplegic patients by using a lumbar support. Furthermore, the magnitude of the support force provided by the lumbar support to the patient can be obtained by using an electric push rod B connected between the upper support frame and the lower chassis and a pressure sensor located at the end of the upper electric push rod B. This information is displayed by a controller. In addition, the support force can be adjusted by adjusting the extension and retraction of the electric push rod B through the controller.

[0032] 3. The present invention uses a balancing component that is rotatably hinged on the lumbar support to easily adapt to changes in the patient's body tilt angle. When the patient's body becomes unbalanced and tilts, the trigger sleeve drives the piston rod to slide within the piston cylinder frame, thereby delivering gas from the piston cylinder frame to the air pipe on the tilted side. The gas in the air pipe enters the piston cylinder disc, pushing the rubber disc downwards, which then contacts the ground to generate friction. This achieves the technical effect of stable support on the unbalanced and tilted side of the patient's body, avoiding the technical problem of the entire device tipping over.

[0033] 4. The present invention, through the setting of the braking component, can achieve the technical effect of emergency braking on the one hand, and the braking ball can be used as a reference for the passage width during passage, to make preliminary passage measurement of obstacles or passages ahead, and avoid being unable to pass or collisions; when the patient's body tilts significantly, the controller is triggered to control the extension of the electric push rod A, which in turn pushes the swing rod to drive the braking ball to rotate downward, so that the braking ball contacts the ground to generate friction, and the swing rod presses down the pressing frame, so that the pressing frame presses down the brake pad of the front caster, thereby realizing the braking of the entire walker.

[0034] 5. This invention enables paraplegic or hemiplegic patients to walk by lifting their lower limbs through the traction component. By controlling the repeated extension and retraction of the electric push rod C, the traction rope can be driven to lift the lower limb traction sleeve fitted on the patient's lower limb under the guidance of the guide plate, thereby achieving the technical effect of lifting the patient's lower limb and providing a labor-saving walking assistance.

[0035] 6. The present invention achieves the technical effect of supporting the patient's body by setting up an underarm support component. The position of the adjustment block on the upper support frame is adjusted according to the patient's height, so that the underarm support connected to the adjustment block matches the patient's height, thereby improving the applicability of the overall device. Attached Figure Description

[0036] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0037] Figure 1 This is a schematic diagram illustrating the usage state of the present invention; Figure 2 This is a perspective view of the overall structure of the present invention; Figure 3 For the present invention Figure 2 Enlarged view of a portion of the image; Figure 4 For the present invention Figure 2 Enlarged view of section A in the middle; Figure 5 For the present invention Figure 2 Enlarged view of section B; Figure 6 This is a three-dimensional view of part of the structure of the present invention; Figure 7 For the present invention Figure 6 Enlarged view of section C; Figure 8This is a three-dimensional view of the balancing component of the present invention; Figure 9 For the present invention Figure 8 Sectional view along the AA direction; Figure 10 This is a perspective view of the piston cylinder disk structure of the present invention; Figure 11 For the present invention Figure 10 Sectional view along the BB direction; Figure 12 This is a perspective view of the traction component structure of the present invention; Figure 13 This is a perspective view of the chassis structure of the present invention; Figure 14 This is a perspective view of the support frame structure of the present invention; Figure 15 This is a perspective view of the waist support component structure of the present invention; Figure 16 This is a three-dimensional view of the tracheal structure of the present invention; Figure 17 This is a perspective view of the rubber disc structure of the present invention; Figure 18 This is a perspective view of the pressing frame structure of the present invention; Figure 19 This is a perspective view of the swing rod structure of the present invention; Figure 20 This is a perspective view of the connecting ring structure of the present invention; In the diagram: 1. Lower chassis; 2. Upper support frame; 3. Casters; 4. Balancing assembly; 41. Sleeve; 42. Piston cylinder holder; 43. Limiting screw; 44. Air pipe; 45. Piston cylinder disc; 46. Rubber disc; 47. Piston rod; 5. Braking assembly; 51. Electric push rod A; 52. Swing rod; 53. Brake ball; 54. Connecting ring; 55. Pressing frame; 6. Lumbar support assembly; 61. Lumbar support; 62. Buckle; 63. Soft pad; 7. Underarm support assembly; 71. Adjusting block; 72. Underarm support; 8. Control assembly; 81. Electric push rod B; 82. Controller; 83. Pressure sensor; 9. Traction assembly; 91. Guide plate; 92. Electric push rod C; 93. Traction rope; 94. Lower limb traction sleeve; 10. Elastic element; 11. Limiting element; 12. Connecting seat. Detailed Implementation

[0038] To enable those skilled in the art to better understand the technical solutions of the present invention, the technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0039] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "front end", "rear end", "inner side", "outer side", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0040] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0041] The inventors' research found that traditional walking aids are mostly single-support structures that can only provide basic walking assistance and are difficult to meet the diverse needs of patients: they lack personalized support and weight-reduction designs, cannot effectively distribute the patient's body weight, and increase the burden of movement; they have obvious defects in balance and anti-tipping, and when the patient's body tilts due to physical exhaustion or sudden situations, they are very likely to lose balance and fall, causing secondary injuries to the patient; and in emergency situations, they lack effective braking measures and cannot ensure the patient's safety in a timely manner.

[0042] Based on the above findings, this application provides a walking aid for paraplegic or hemiplegic patients, including a lower chassis 1, an upper support frame 2 connected to the top of the lower chassis 1, and casters 3 connected to the bottom of the lower chassis 1. It also includes: a balance component 4, one end of which is connected to the upper support frame 2 and the other end of which is connected to the lower chassis 1; a braking component 5, one end of which is connected to the upper support frame 2 and the other end of which is connected to the lower chassis 1, and is located in front of the balance component 4; and a lumbar support component 6, which is rotatably connected to the balance component 4 and is used to support the waist of paraplegic or hemiplegic patients. Example 1

[0043] Reference Figure 1-20 As shown, this application provides a walking aid for paraplegic or hemiplegic patients, including a lower chassis 1, an upper support frame 2 connected to the top of the lower chassis 1, and casters 3 connected to the bottom of the lower chassis 1. It also includes: a balance component 4, one end of which is connected to the upper support frame 2 and the other end of which is connected to the lower chassis 1; a braking component 5, one end of which is connected to the upper support frame 2 and the other end of which is connected to the lower chassis 1, and is located in front of the balance component 4; and a lumbar support component 6, which is rotatably connected to the balance component 4 and is used to support the waist of paraplegic or hemiplegic patients.

[0044] As an example, the upper support frame 2 is slidably connected to the lower base 1, so that the height of the upper support frame 2 can be adjusted according to the patient's height. After the adjustment is completed, it can be fixed with screws to increase the overall stability of the walker.

[0045] Specifically, the waist support component 6 and the balance component 4 are connected by a hinge to achieve a rotatable connection, so as to adapt to changes in the angle of the waist support component 6.

[0046] Furthermore, the balancing assembly 4 includes: a sleeve 41 rotatably connected to the waist support assembly 6 and a piston cylinder frame 42 fixedly connected to the upper support frame 2, the end of the sleeve 41 being slidably fitted inside the piston cylinder frame 42; a limiting screw 43 connected to the piston cylinder frame 42 and an air pipe 44; and a piston cylinder disc 45 rotatably connected to the lower chassis 1, the end of the air pipe 44 being connected to the piston cylinder disc 45, and a rubber disc 46 slidably connected to the piston cylinder disc 45.

[0047] Furthermore, the balancing assembly 4 also includes: a piston rod 47 with one end slidably sleeved inside the sleeve 41, the end of the piston rod 47 being connected to an elastic element 10, the end of the elastic element 10 being connected to the bottom of the sleeve 41; a limiting element 11 being provided at the end of the rubber disc 46, and an elastic element 10 being sleeved on the rubber disc 46 between the limiting element 11 and the piston cylinder disc 45.

[0048] It should be noted that the limiting screw 43 is located between the sleeve 41 and the head of the piston rod 47, and there is a certain gap between the limiting screw 43 and the head of the sleeve 41. When the sleeve 41 on one side drives the piston rod 47 to move forward along the piston cylinder frame 42, the gas in the piston cylinder frame 42 is pushed into the air pipe 44 by the piston rod 47. Then, the piston rod 47 on the other side can be prevented from sliding out of the piston cylinder frame 42 under the restriction of the limiting screw 43. The setting of the elastic element 10 can prevent the piston rod 47 and the sleeve 41 in the piston cylinder frame 42 from getting stuck during the body tilting process.

[0049] As an example, the piston cylinder disk 45 and the lower chassis 1 are rotatably connected by a connecting seat 12. Specifically, the connecting seat 12 is fixedly connected to the lower chassis 1, and the piston cylinder disk 45 is hinged to the connecting seat 12.

[0050] As an example, the elastic element 10 connected to the end of the piston rod 47 can be a spring, but is not limited to a spring, and can also be an elastic rope.

[0051] Specifically, the limiting member 11 at the end of the rubber disc 46 is a limiting nut.

[0052] As an example, an elastic element 10 is provided on the rubber disc 46 between the limiting member 11 and the piston cylinder disc 45. It can be a spring, but is not limited to a spring, and can also be a rubber pad.

[0053] Further, the braking assembly 5 includes: an electric push rod A51 rotatably connected to the upper support frame 2, and a swing rod 52 rotatably connected to the lower chassis 1. The swing rod 52 is rotatably connected to the electric push rod A51, and a brake ball 53 is connected to the end of the swing rod 52; a connecting ring 54 fixedly connected to the bottom of the lower chassis 1, and a pressing frame 55 slidably connected to the connecting ring 54; the pressing frame 55 cooperates with the caster 3 connected to the front side of the lower chassis 1; a limiting member 11 is provided at the end of the pressing frame 55, and an elastic member 10 is sleeved on the pressing frame 55 between the limiting member 11 and the connecting ring 54.

[0054] It should be noted that the electric linear actuator A51 is existing technology and can be replaced by a CLCEY electric linear actuator, which is available on the market.

[0055] As an example, the electric push rod A51 and the swing rod 52 are both hinged together by a connecting seat 12, which is fixedly connected to the upper support frame 2 and the lower chassis 1, respectively. The electric push rod A51 and the swing rod 52 are also hinged together.

[0056] As an example, the limiting member 11 provided at the end of the pressing frame 55 is a limiting nut, and the elastic member 10, which is a spring, is sleeved on the pressing frame 55 between the limiting nut and the connecting ring 54.

[0057] Furthermore, the lumbar support assembly 6 includes: a lumbar support 61 rotatably connected to the sleeve 41, a buckle 62 provided on the rear side of the lumbar support 61, and a soft pad 63 provided on the inner side of the lumbar support 61.

[0058] The lumbar support 61 provides lumbar support for paraplegic and hemiplegic patients, making them feel lighter and more energetic while walking. The soft pad 63 on the inner side of the lumbar support 61 fits the patient's waist more comfortably and avoids excessive pressure on the patient's waist. Example 2

[0059] Based on Embodiment 1, a walking aid for paraplegic or hemiplegic patients further includes: an underarm support component 7 and a control component 8 disposed on the upper support frame 2; and a traction component 9 connected between the upper support frame 2 and the lower chassis 1, the traction component 9 being used to lift the legs of paraplegic or hemiplegic patients.

[0060] Furthermore, the underarm support assembly 7 includes a set of adjustment blocks 71 connected to the upper support frame 2, with underarm supports 72 connected between the adjustment blocks 71.

[0061] The position of the axillary support 72 can be adjusted by adjusting the adjustment block 71. The adjustment block 71 can be slid to the position of the upper support frame 2 according to the patient's height to adapt to patients of different heights. After the position of the adjustment block 71 is adjusted, it is fixed by screws to make it stable.

[0062] The armpit support 72 provides support under the patient's armpit, thereby reducing the weight on the patient's legs during walking.

[0063] Furthermore, the control component 8 includes: an electric push rod B81 connected between the upper support frame 2 and the lower chassis 1, and a controller 82 disposed on the upper support frame 2; a pressure sensor 83 is disposed at the end of the electric push rod B81, and the end of the pressure sensor 83 is in contact with the upper support frame 2.

[0064] It should be noted that the electric linear actuator B81 can be a CLCEY electric linear actuator, which can be purchased on the market.

[0065] As an example, the pressure sensor 83 may be an MPX10DP model sensor, which is commercially available.

[0066] It should be noted that the controller 82 is equipped with a display screen and control buttons. The pressure value of the pressure sensor 83 can be displayed on the display screen of the controller 82, and the extension and retraction of the electric push rods A51, B81 and C92 can be controlled by the control buttons on the controller 82.

[0067] Further, the above technical solution includes: a guide plate 91 fixedly connected to the upper support frame 2, and an electric push rod C92 fixedly connected to the guide plate 91, with a traction rope 93 connected to the electric push rod C92; the traction rope 93 slides around the guide plate 91 and is connected to the lower limb of the paraplegic or hemiplegic patient.

[0068] As an example, the electric linear actuator C92 may be a CLCEY electric linear actuator, which is commercially available.

[0069] Specifically, the guide plate 91 is provided with a pulley, and the pull rope 93 slides around the pulley on the guide plate 91.

[0070] More specifically, the traction assembly 9 also includes a lower limb traction sleeve 94 connected to the end of the traction rope 93, which is worn on the lower limbs of paraplegic or hemiplegic patients.

[0071] With the extension and retraction of the electric push rod C92, guided by the guide plate 91, the electric telescopic rod C92 pulls the traction rope 93, which drives the lower limb traction sleeve 94 to be lifted and lowered repeatedly, thereby assisting the patient's lower limbs in walking and making it more effortless for them to walk.

[0072] Specific application examples The following describes the specific application of a walking aid for paraplegic and hemiplegic patients in the rehabilitation and walking process of hemiplegic patients, with reference to Embodiment 1 and Embodiment 2.

[0073] Hemiplegia is a condition caused by brain injury (such as stroke, traumatic brain injury, brain tumor, etc.) resulting in impaired motor function on one side of the body, often accompanied by sensory abnormalities, speech or swallowing difficulties. Rehabilitation requires a combination of early intervention, personalized training, and multidisciplinary collaboration, with the goal of restoring function, preventing complications, and improving quality of life.

[0074] Recovery training improves motor function through resistance training, balance exercises, and gait training. During rehabilitation training, assistive devices such as orthotics, crutches, and wheelchairs can be used to help patients complete basic movements.

[0075] However, traditional walking aids are mostly single-support structures that can only provide basic walking assistance and cannot meet the diverse needs of patients: they lack personalized support and weight reduction designs, cannot effectively distribute the patient's body weight, and increase the burden of movement; they have obvious defects in balance and anti-tipping, and when the patient's body tilts due to physical exhaustion or sudden situations, they are very likely to lose balance and fall, causing secondary injuries to the patient; and in emergency situations, they lack effective braking measures and cannot ensure the patient's safety in a timely manner.

[0076] Therefore, this application aims to develop a new type of walking aid with functions such as weight reduction support, efficient anti-tipping, and emergency braking. This is an urgent need to improve the mobility and quality of life of paraplegic and hemiplegic patients and to assist in their rehabilitation treatment. It is of great significance to promoting the development of the medical rehabilitation equipment field and improving the quality of life of patients.

[0077] In actual use, the sliding adjustment block 71 is positioned on the upper support frame 2 according to the patient's height to adapt to patients of different heights. After the position of the adjustment block 71 is adjusted, it is fixed with screws to make it stable.

[0078] The armpit support 72 is placed under the patient's armpit, the patient's waist is placed inside the lumbar support 61, and then the lumbar support 61 is fastened with the rear buckle 62, thereby providing support for the waist.

[0079] Then, the patient's lower limbs are fitted into the lower limb traction sleeve 94. The controller 82 activates the extension and retraction of the electric push rod C92. Under the guidance of the guide plate 91, the electric extension rod C92 pulls the traction rope 93, causing the lower limb traction sleeve 94 to be lifted and lowered repeatedly. This can assist the patient in walking and make walking less strenuous.

[0080] When a patient walks and their body tilts to one side due to imbalance, the trigger sleeve 41 drives the piston rod 47 to slide within the piston cylinder frame 42. This causes the gas inside the piston cylinder frame 42 to be delivered to the air pipe 44 on the tilted side. The gas in the air pipe 44 enters the piston cylinder disc 45, pushing the rubber disc 46 downwards. This causes the disc to come into contact with the ground and generate friction, thus achieving the technical effect of stabilizing the tilted side of the patient's body and avoiding the technical problem of the entire device tipping over.

[0081] With the assistance of the piston rod 47 on the other side and the lumbar support 61, the patient can correct the imbalance and tilt, and then return to a balanced state. At this time, under the elastic force of the spring sleeved on the rubber disc 46 between the end limit nut of the rubber disc 46 and the piston cylinder disc 45, the rubber disc 46 is reset.

[0082] During the journey, the braking ball 53 can be used to reference the passage width and make preliminary measurements of obstacles or passages ahead to avoid being unable to pass or causing collisions. When the patient's body tilts significantly, the trigger controller 82 controls the electric push rod A51 to extend, which in turn pushes the swing rod 52 to rotate the brake ball 53 downward. This causes the brake ball 53 to generate friction with the ground on one hand, and on the other hand, it presses down on the pressing frame 55 through the swing rod 52, causing the pressing frame 55 to press down the brake pads of the front caster 3, thereby achieving the braking of the entire walker.

[0083] After the body regains its balance, the controller 82 controls the electric push rod A51 to shorten, which in turn pulls the swing rod 52 to drive the brake ball 53 to rotate upward and reset. A limit nut is set at the end of the pressing frame 55, and a spring is sleeved on the pressing frame 55 between the limit nut and the connecting ring 54. Under the elastic force of the spring, the pressing frame 55 can be automatically reset, which causes the brake pad of the front caster 3 to automatically lift when the pressing frame 55 is no longer restricted, so that the walker as a whole resumes sliding.

[0084] It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of this invention, and these should also be considered within the scope of protection of this invention. These modifications and improvements will not affect the effectiveness of the invention or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A walking aid for paraplegic and hemiplegic patients, comprising a lower chassis (1), an upper support frame (2) connected to the top of the lower chassis (1), and casters (3) connected to the bottom of the lower chassis (1), characterized in that, Also includes: The balancing component (4) is connected at one end to the upper support frame (2) and at the other end to the lower chassis (1); The braking assembly (5) is connected at one end to the upper support frame (2) and at the other end to the lower chassis (1), and is located in front of the balance assembly (4); The lumbar support assembly (6) is rotatably connected to the balance assembly (4) for supporting the lumbar region of paraplegic or hemiplegic patients.

2. The walking aid for paraplegic and hemiplegic patients according to claim 1, characterized in that, Also includes: The underarm support assembly (7) and control assembly (8) are mounted on the upper support frame (2); And a traction assembly (9) connected between the upper support frame (2) and the lower chassis (1), the traction assembly (9) being used to lift the legs of paraplegic or hemiplegic patients.

3. The walking aid for paraplegic and hemiplegic patients according to claim 1, characterized in that, The balancing component (4) includes: The sleeve (41) is rotatably connected to the waist support assembly (6) and the piston cylinder frame (42) is fixedly connected to the upper support frame (2). The end of the sleeve (41) is slidably sleeved in the piston cylinder frame (42). The limiting screw (43) connected to the piston cylinder holder (42) and the air pipe (44), and the piston cylinder plate (45) rotatably connected to the lower chassis (1), the end of the air pipe (44) is connected to the piston cylinder plate (45), and a rubber plate (46) is slidably connected on the piston cylinder plate (45).

4. A walking aid for paraplegic and hemiplegic patients according to claim 3, characterized in that, The balancing component (4) also includes: A piston rod (47) is slidably sleeved inside a sleeve (41) at one end. An elastic element (10) is connected to the end of the piston rod (47). The end of the elastic element (10) is connected to the bottom of the sleeve (41). A limiting element (11) is provided at the end of the rubber disc (46), and an elastic element (10) is sleeved on the rubber disc (46) between the limiting element (11) and the piston cylinder disc (45).

5. A walking aid for paraplegic or hemiplegic patients according to claim 1 or 4, characterized in that, The braking assembly (5) includes: An electric push rod A (51) is rotatably connected to the upper support frame (2), and a swing rod (52) is rotatably connected to the lower chassis (1). The swing rod (52) is rotatably connected to the electric push rod A (51), and a brake ball (53) is connected to the end of the swing rod (52). A connecting ring (54) is fixedly connected to the bottom of the lower chassis (1), and a pressing frame (55) is slidably connected on the connecting ring (54); the pressing frame (55) cooperates with the caster (3) connected to the front side of the lower chassis (1); The end of the pressing frame (55) is provided with a limiting member (11), and an elastic member (10) is sleeved on the pressing frame (55) between the limiting member (11) and the connecting ring (54).

6. A walking aid for paraplegic and hemiplegic patients according to claim 5, characterized in that, The lumbar support assembly (6) includes: a lumbar support (61) rotatably connected to the sleeve (41), a buckle (62) provided on the rear side of the lumbar support (61), and a soft pad (63) provided on the inner side of the lumbar support (61).

7. A walking aid for paraplegic and hemiplegic patients according to claim 2, characterized in that, The underarm support assembly (7) includes a set of adjustment blocks (71) connected to the upper support frame (2), and an underarm support (72) is connected between the adjustment blocks (71).

8. A walking aid for paraplegic and hemiplegic patients according to claim 7, characterized in that, The control component (8) includes: Electric push rod B (81) connected between the upper support frame (2) and the lower chassis (1), and controller (82) installed on the upper support frame (2); A pressure sensor (83) is provided at the end of the electric push rod B (81), and the end of the pressure sensor (83) is in contact with the upper support frame (2).

9. A walking aid for paraplegic and hemiplegic patients according to claim 8, characterized in that, The traction component (9) includes: A guide plate (91) is fixedly connected to the upper support frame (2), and an electric push rod C (92) is fixedly connected to the guide plate (91). A pull rope (93) is connected to the electric push rod C (92). The traction rope (93) slides around the guide plate (91) and connects to the lower limb of the paraplegic or hemiplegic patient.

10. A walking aid for paraplegic and hemiplegic patients according to claim 9, characterized in that, The traction assembly (9) further includes a lower limb traction sleeve (94) connected to the end of the traction rope (93), which is worn on the lower limbs of paraplegic or hemiplegic patients.

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