Multifunctional fixing equipment for limb burn
The multi-functional limb burn fixation device addresses joint stiffness and thrombosis risks by fixing and promoting controlled ankle movements, enhancing patient mobility and reducing surgical risks.
Patent Information
- Application Number
- CN202510730616.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-03
- Publication Date
- 2025-07-15
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Large-area burn patients often experience knee and ankle joint stiffness and foot drop after wound healing, limiting lower limb mobility and increasing the risk of deep vein thrombosis, which reduces their quality of life and increases the likelihood of subsequent surgical interventions and disability.
A multi-functional limb burn fixation device that includes a bed with adjustable mechanisms to fix the patient's lower limbs and facilitate controlled movements of the ankle, incorporating a dual-axis electric motor to drive a mechanism that allows for controlled dorsiflexion and plantarflexion of the foot, preventing muscle atrophy and thrombosis.
The device effectively fixes the lower limbs and promotes controlled ankle movements, preventing muscle atrophy and deep vein thrombosis, thereby improving mobility and reducing the risk of further surgical interventions.
Smart Images

Figure CN120305059A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the field of medical devices, and particularly relates to a multifunctional fixing device for limb burns. Background Art
[0002] After the wound surface of patients with large-area burns heals, knee joints, ankle joints are often stiff and foot drop occurs, restricting the lower limb activities and walking of patients, resulting in reduced lower limb activities and self-care ability of patients, increasing the probability of deep vein thrombosis in the lower limbs. In the later stage, joint release surgery is required again, and the disability and deformity rate increases, increasing the family burden and social burden of patients;
[0003] Therefore, the present invention discloses a multifunctional fixing device for limb burns, which can drive the lower limbs of patients to move appropriately while fixing the lower limbs of patients, avoiding muscle degeneration of the lower limbs and the occurrence of lower limb venous thrombosis. Summary of the Invention
[0004] In order to achieve the above technical effects, the present invention is realized through the following technical solutions: A multifunctional fixing device for limb burns, comprising: a bed body, a fixing mechanism;
[0005] Square grooves are symmetrically opened on the bed body, and a first telescopic plate is installed in the square grooves; the rear end of the first telescopic plate is movably connected to a second telescopic plate; clamping members are symmetrically arranged at the rear ends of the first telescopic plate and the second telescopic plate to respectively fix the knee and ankle; a screw rod is arranged at the lower end of the square groove; two electric push rods are arranged on the screw rod, and the upper ends of the two electric push rods are respectively rotatably connected to the first telescopic plate and the second telescopic plate;
[0006] The second telescopic plate includes a second sleeve plate and a second sliding plate; sliding grooves are symmetrically opened on the second sliding plate to install square plates; a clamping member is threadedly connected to the middle of the square plate to fix the ankle, a square rod extends out from the lower end of the square plate, and a foot pad is rotatably connected to the square rod; a double-shaft motor is detachably connected to the square plate; a driving disc is movably connected to the output shaft of the double-shaft motor; push members are symmetrically arranged on both sides of the output shaft of the double-shaft motor and are slidably connected to the square plate;
[0007] The push member is a square plate in the shape of a mouth, a plurality of cylinders are arranged in an array on both the upper and lower sides of the push member, and an L-shaped push rod is arranged on the push member and is slidably connected to the foot pad;
[0008] Round holes are arranged in an array on the driving disc to install telescopic teeth, and the coverage range of the telescopic teeth is between 0-180°; the telescopic teeth are pressing type telescopic teeth; by pressing the telescopic teeth, the coverage range of the telescopic teeth is adjusted, and by the operation of the double-shaft motor, the driving disc is driven to rotate, and the push member is pushed to reciprocate to drive the foot pad to swing reciprocally;
[0009] Furthermore, the first telescopic rod includes a first sleeve plate and a first sliding plate; the front end of the first sleeve plate is rotatably connected to the square groove, and the first sliding plate is sleeved inside the first sleeve plate;
[0010] On the upper end of the first skateboard, square plates are symmetrically arranged, and a clamping member is threadedly connected to the middle of the square plate; the rear end of the first skateboard is rotatably connected to the second skateboard and the upper end of the electric push rod.
[0011] Furthermore, the lower end of the housing of the electric push rod is threadedly connected to a screw rod, and the lower part of the housing is rotatably connected to a screw sleeve; the upper end of the push rod of one electric push rod is rotatably connected to the rear end of the first skateboard; the upper end of the push rod of the other electric push rod is rotatably connected to the rear end of the second sleeve plate. By rotating the screw sleeve, the electric push rod moves, driving the first skateboard and the second sleeve plate to slide.
[0012] Furthermore, the clamping member is an arc-shaped plate, and the rear end of the arc-shaped plate is rotatably connected to a threaded shaft.
[0013] Furthermore, the foot pad is a square plate, the lower end of the foot pad is rotatably connected to the square plate, a chute is opened in the middle of the foot pad to slidably connect the push rod of the pushing member; a limiting sleeve is sleeved on the upper end of the foot pad; an elastic element is arranged on the limiting sleeve to connect the foot pad; by pulling the limiting sleeve, the upper end of the foot pad is opened to receive the sole of the foot, and after releasing the limiting sleeve, the limiting sleeve slides back under the action of the elastic element to cover the toes on the upper end of the foot pad.
[0014] Furthermore, circular holes are arrayed on the disk surface of the driving disk to install telescopic teeth; the telescopic teeth are push-type telescopic teeth, that is, by pressing, the telescopic teeth can be controlled to extend or retract from the disk surface of the driving disk, and the pushing distance of the driving disk to push the pushing member reciprocally is controlled.
[0015] The beneficial effects of the present invention are:
[0016] Through the clamping members on the first telescopic plate and the second telescopic plate of the present invention, the knees and ankles of the human body are respectively fixed, and the lower limbs of the patient are quickly fixed; and after the fixation is completed, the biaxial motor can be controlled to work to drive the driving disk to rotate, push the pushing member to reciprocate, drive the foot pad to swing reciprocally, and drive the patient's ankle to perform plantar flexion movement and dorsiflexion movement, avoiding muscle degeneration or the occurrence of lower limb venous thrombosis.
[0017] And in the process of driving the patient's ankle to perform plantar flexion movement and dorsiflexion movement, the telescopic teeth can be controlled to extend or retract from the disk surface of the driving disk by pressing, and the pushing distance of the driving disk to push the pushing member reciprocally is controlled, so as to adjust the amplitude of driving the human body to perform plantar flexion movement and dorsiflexion movement, preventing excessive movement amplitude from pulling the muscles or insufficient movement amplitude and insufficient muscle activity. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments will be briefly introduced below.
[0019] Figure 1 It is a schematic diagram of the overall structure of a multi-functional fixing device for limb burns;
[0020] Figure 2 It is a schematic structural diagram of the removal of the bed body of a multi-functional fixing device for limb burns;
[0021] Figure 3 It is a schematic cross-sectional structural diagram of the connection between the first telescopic plate and the second telescopic plate of a multi-functional fixing device for limb burns;
[0022] Figure 4 It is a schematic overall structural diagram of a dual-axis motor of a multi-functional fixing device for limb burns;
[0023] Figure 5 It is a front view of a dual-axis motor of a multi-functional fixing device for limb burns;
[0024] Figure 6 It is a schematic partial cross-sectional structural diagram of the foot pad of a multi-functional fixing device for limb burns;
[0025] Figure 7 It is a schematic partial cross-sectional structural diagram of the bed body of a multi-functional fixing device for limb burns.
[0026] In the accompanying drawings, the list of components represented by each reference numeral is as follows:
[0027] 1 - Bed body, 101 - Square groove, 102 - Screw rod, 103 - Electric push rod, 1031 - Screw sleeve, 201 - First telescopic plate, 2011 - First sleeve plate, 2012 - First sliding plate, 202 - Second telescopic plate, 2021 - Second sleeve plate, 2022 - Second sliding plate, 20221 - Sliding groove, 20222 - Square plate, 2023 - Motor, 2024 - Driving disc, 20241 - Telescopic tooth, 2025 - Pushing part, 20251 - Cylinder, 20252 - Push rod, 3 - Foot pad, 301 - Elastic element, 302 - Limit sleeve, 4 - Clamping part. Detailed implementation mode
[0028] The multi-functional fixing device for limb burns disclosed by the present invention includes: a bed body 1 and a fixing mechanism;
[0029] Square grooves 101 are symmetrically opened on the bed body 1, and the first telescopic plate 201 is installed in the square grooves 101; the rear end of the first telescopic plate 201 is movably connected to the second telescopic plate 202; clamping parts 4 are symmetrically arranged at the rear ends of the first telescopic plate 201 and the second telescopic plate 202 to respectively fix the knees and ankles; a screw rod 102 is arranged at the lower end of the square groove 101; two electric push rods 20252103 are arranged on the screw rod 102, and the upper ends of the two electric push rods 20252103 are respectively rotatably connected to the first telescopic plate 201 and the second telescopic plate 202;
[0030] The telescopic plate two 202 includes a sleeve plate two 2021 and a sliding plate two 2022; symmetrically arranged sliding grooves 20221 are formed on the sliding plate two 2022 to install a square plate 20222; a clamping member 4 is threadedly connected to the middle of the square plate 20222 to fix the ankle, a square rod extends from the lower end of the square plate 20222, and a foot pad 3 is rotatably connected to the square rod; a dual-axis motor 2023 is detachably connected to the square plate 20222; a driving disc 2024 is movably connected to the output shaft of the dual-axis motor 2023; square plates 20222 are symmetrically arranged on both sides of the output shaft of the dual-axis motor 2023 and are slidably connected to a pushing member 2025.
[0031] The pushing member 2025 is a square plate 20222 in the shape of a mouth, a number of cylinders 20251 are arranged in an array on both the upper and lower sides of the pushing member 2025, and an L-shaped push rod 20252 is arranged on the pushing member 2025 and is slidably connected to the foot pad 3.
[0032] Circular holes are arranged in an array on the driving disc 2024 to install telescopic teeth 20241, and the coverage range of the telescopic teeth 20241 is between 0 - 180°; the telescopic teeth 20241 are push-type telescopic teeth 20241; the coverage range of the telescopic teeth 20241 is adjusted by pressing the telescopic teeth 20241, and the driving disc 2024 is driven to rotate by the operation of the dual-axis motor 2023, and the pushing member 2025 is pushed to reciprocate to drive the foot pad 3 to swing reciprocally.
[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.
[0034] Embodiment 1
[0035] As Figure 1 shown is the overall structural schematic diagram of the multifunctional fixing device for limb burns in the present invention. In the present invention, a bed body 1 and a fixing mechanism are provided.
[0036] Square grooves 101 are symmetrically formed on the bed body 1, and a telescopic plate one 201 is installed in the square grooves 101; the rear end of the telescopic plate one 201 is movably connected to the telescopic plate two 202; clamping members 4 are symmetrically arranged at the rear ends of the telescopic plate one 201 and the telescopic plate two 202 to respectively fix the knee and the ankle; a screw rod 102 is arranged at the lower end of the square groove 101; two electric push rods 20252103 are arranged on the screw rod 102, and the upper ends of the two electric push rods 20252103 are respectively rotatably connected to the telescopic plate one 201 and the telescopic plate two 202.
[0037] The telescopic plate two 202 includes a sleeve plate two 2021 and a sliding plate two 2022; symmetric sliding grooves 20221 are formed on the sliding plate two 2022 to install a square plate 20222; a clamping member 4 is threadedly connected to the middle of the square plate 20222 to fix the ankle, a square rod extends from the lower end of the square plate 20222, and a foot pad 3 is rotatably connected to the square rod; a dual-axis motor 2023 is detachably connected to the square plate 20222; a driving disk 2024 is movably connected to the output shaft of the dual-axis motor 2023; square plates 20222 are symmetrically arranged on both sides of the output shaft of the dual-axis motor 2023, and a pushing member 2025 is slidably connected to the square plates 20222;
[0038] The pushing member 2025 is a square plate 20222 in the shape of a mouth, a number of cylinders 20251 are arranged in an array on both the upper and lower sides of the pushing member 2025, and an L-shaped push rod 20252 is arranged on the pushing member 2025 and is slidably connected to the foot pad 3;
[0039] Circular holes are arranged in an array on the driving disk 2024 to install telescopic teeth 20241, and the coverage range of the telescopic teeth 20241 is between 0 - 180°; the telescopic teeth 20241 are push-type telescopic teeth 20241; the coverage range of the telescopic teeth 20241 is adjusted by pressing the telescopic teeth 20241, and the driving disk 2024 is driven to rotate by the operation of the dual-axis motor 2023, and the pushing member 2025 is pushed to reciprocate to drive the foot pad 3 to swing reciprocally;
[0040] Further, the first telescopic rod includes a sleeve plate one 2011 and a sliding plate one 2012; the front end of the sleeve plate one 2011 is rotatably connected to a square groove 101, and the sliding plate one 2012 is sleeved inside the sleeve plate one 2011;
[0041] Square plates 20222 are symmetrically arranged at the upper end of the sliding plate one 2012, and a clamping member 4 is threadedly connected to the middle of the square plates 20222; the rear end of the sliding plate is rotatably connected to the sliding plate two 2022 and the upper end of an electric push rod 20252103;
[0042] Further, a screw rod 102 is threadedly connected to the lower end of the housing of the electric push rod 20252103, and a screw sleeve 1031 is rotatably connected to the lower part of the housing; the upper end of the push rod 20252 of one electric push rod 20252103 is rotatably connected to the rear end of the sliding plate one 2012; the upper end of the push rod 20252 of the other electric push rod 20252103 is rotatably connected to the rear end of the sleeve plate two 2021, and the electric push rod 20252103 is driven to move by rotating the screw sleeve 1031, driving the sliding plate one 2012 and the sleeve plate two 2021 to slide;
[0043] Further, the clamping member 4 is an arc-shaped plate, and the rear end of the arc-shaped plate is rotatably connected to a threaded shaft;
[0044] Further, the foot pad 3 is a square plate 20222, the lower end of the foot pad 3 is rotatably connected to the square plate 20222, and a slide groove 20221 is provided in the middle of the foot pad 3 to slide and connect the push rod 20252 of the push piece 2025; a limiting sleeve 302 is sleeved on the upper end of the foot pad 3; an elastic element 301 is provided on the limiting sleeve 302 to connect the foot pad 3; by pulling the limiting sleeve 302, the upper end of the foot pad 3 is opened to receive the sole of the foot, and after the limiting sleeve 302 is loosened, the limiting sleeve 302 slides back and sleeves on the upper end of the foot pad 3 under the action of the elastic element 301 to cover the toes;
[0045] Furthermore, the drive disk 2024 is provided with circular holes in an array to install telescopic teeth 20241; the telescopic teeth 20241 are push-type telescopic teeth 20241, that is, the telescopic teeth 20241 can be controlled to extend or retract from the drive disk 2024 by pressing, thereby controlling the driving disk 2024 to push the push member 2025 to reciprocate.
[0046] Actual usage:
[0047] S1: The patient lies flat on the bed 1, with both legs placed on the telescopic plate 1 201 and the telescopic plate 2 202. The screw sleeve 1031 is manually rotated to drive the electric push rod 20252103 to move on the screw rod 102, and the clamping member 4 on the slide plate 1 212 is adjusted to align with the human knee, and the square plate 20222 is manually pushed to slide in the slide groove 20221 to make the clamping member 4 on the slide plate 2 222 align with the human ankle, and the threaded rod is rotated to drive the clamping members 4 to approach each other to clamp and fix the human knee and leg;
[0048] S2: Pull the limiting sleeve 302 to open the upper end of the foot pad 3 to receive the sole of the foot. After loosening the limiting sleeve 302, the limiting sleeve 302 slides back and covers the toes under the action of the elastic element 301. The medical staff manually moves the foot pad 3 to drive the human ankle to perform plantar flexion and dorsiflexion exercises within the patient's tolerance range. During the exercise, the number of retractable teeth 20241 required to be contacted when the push piece 2025 pushes the driving disk 2024 to rotate is observed. The retractable teeth 20241 required for the patient to perform plantar flexion and dorsiflexion exercises within the tolerance range are retained, and the remaining retractable teeth 20241 are pressed and retracted into the driving disk 2024.
[0049] S3: The dual-axis motor 2023 is started, and the dual-axis motor 2023 drives the driving disk 2024 to rotate, and pushes the push piece 2025 to reciprocate and drive the foot pad 3 to swing back and forth, and drive the human ankle to perform plantar flexion and dorsiflexion movements.
[0050] In this embodiment, the clamping members 4 on the first telescopic plate 201 and the second telescopic plate 202 of the present invention are respectively used to fix the human knee and ankle, so as to quickly fix the lower limbs of the patient. After the fixation is completed, the dual-axis motor 2023 can be controlled to work to drive the drive disk 2024 to rotate, and the pusher 2025 is pushed to reciprocate to drive the foot pad 3 to swing reciprocally, driving the patient's ankle to perform plantar flexion movement and dorsiflexion movement, so as to avoid muscle degeneration or the occurrence of lower limb venous thrombosis.
[0051] Moreover, during the process of driving the patient's ankle to perform plantar flexion movement and dorsiflexion movement, the telescopic teeth 20241 can be controlled to extend or retract from the disk surface of the drive disk 2024 by pressing, so as to control the pushing distance of the drive disk 2024 to push the pusher 2025 to reciprocate, and adjust the amplitude of driving the human body to perform plantar flexion movement and dorsiflexion movement, preventing excessive movement amplitude from pulling the muscles or insufficient muscle activity due to too small movement amplitude.
[0052] To sum up, the present invention provides a multifunctional fixing device for limb burns. The clamping members 4 on the first telescopic plate 201 and the second telescopic plate 202 of the present invention are respectively used to fix the human knee and ankle, so as to quickly fix the lower limbs of the patient. After the fixation is completed, the dual-axis motor 2023 can be controlled to work to drive the drive disk 2024 to rotate, and the pusher 2025 is pushed to reciprocate to drive the foot pad 3 to swing reciprocally, driving the patient's ankle to perform plantar flexion movement and dorsiflexion movement, so as to avoid muscle degeneration or the occurrence of lower limb venous thrombosis.
[0053] Moreover, during the process of driving the patient's ankle to perform plantar flexion movement and dorsiflexion movement, the telescopic teeth 20241 can be controlled to extend or retract from the disk surface of the drive disk 2024 by pressing, so as to control the pushing distance of the drive disk 2024 to push the pusher 2025 to reciprocate, and adjust the amplitude of driving the human body to perform plantar flexion movement and dorsiflexion movement, preventing excessive movement amplitude from pulling the muscles or insufficient muscle activity due to too small movement amplitude.
[0054] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described.
Claims
1. A multifunctional fixation device for limb burns, characterized in that, Including: A bed body and a fixing mechanism; Square grooves are symmetrically opened on the bed body, and a first telescopic plate is installed in the square grooves; the rear end of the first telescopic plate is movably connected to a second telescopic plate; clamping members are symmetrically arranged at the rear ends of the first telescopic plate and the second telescopic plate to respectively fix the knees and ankles; a screw rod is arranged at the lower end of the square groove; two electric push rods are arranged on the screw rod, and the upper ends of the two electric push rods are respectively rotatably connected to the first telescopic plate and the second telescopic plate; The second telescopic plate includes a second sleeve plate and a second sliding plate; sliding grooves are symmetrically opened on the second sliding plate to install square plates; a clamping member is threadedly connected to the middle of the square plate to fix the ankle, and a square rod extends out from the lower end of the square plate, and a foot pad is rotatably connected to the square rod; a double-shaft motor is detachably connected to the square plate; a driving disc is movably connected to the output shaft of the double-shaft motor; square plates are symmetrically arranged on both sides of the output shaft of the double-shaft motor and are slidably connected to a pushing member; The pushing member is a square plate in the shape of a mouth, and a number of cylinders are arranged in an array on both the upper and lower sides of the pushing member, and an L-shaped push rod is arranged on the pushing member and is slidably connected to the foot pad; Round holes are arranged in an array on the driving disc to install telescopic teeth, and the coverage range of the telescopic teeth is between 0-180°; the telescopic teeth are pressing-type telescopic teeth; the coverage range of the telescopic teeth is adjusted by pressing the telescopic teeth, and the driving disc is driven to rotate by the operation of the double-shaft motor, and the pushing member is pushed to reciprocate to drive the foot pad to swing reciprocally.
2. The multifunctional fixation device for limb burns according to claim 1, wherein The first telescopic rod includes a first sleeve plate and a first sliding plate; the front end of the first sleeve plate is rotatably connected to the square groove, and the first sliding plate is sleeved inside the first sleeve plate; Square plates are symmetrically arranged at the upper end of the first sliding plate, and a clamping member is threadedly connected to the middle of the square plate; the rear end of the first sliding plate is rotatably connected to the rear end of the second sliding plate and the upper end of the electric push rod.
3. The multifunctional fixation device for limb burns according to claim 1, characterized in that The lower end of the housing of the electric push rod is threadedly connected to the screw rod, and the lower part of the housing is rotatably connected to a screw sleeve; the upper end of the push rod of one electric push rod is rotatably connected to the rear end of the first sliding plate; the upper end of the push rod of the other electric push rod is rotatably connected to the rear end of the second sleeve plate, and the electric push rod is driven to move by rotating the screw sleeve, driving the first sliding plate and the second sleeve plate to slide.
4. The multifunctional fixation device for limb burns according to claim 1, wherein, The clamping member is an arc-shaped plate, and the rear end of the arc-shaped plate is rotatably connected to a threaded shaft.
5. The multifunctional fixation device for limb burns according to claim 1, characterized in that, The foot pad is a square plate, the lower end of the foot pad is rotatably connected to the square plate, a sliding groove is opened in the middle of the foot pad to slidably connect the push rod of the pushing member; a limiting sleeve is sleeved on the upper end of the foot pad; an elastic element is arranged on the limiting sleeve to connect the foot pad; by pulling the limiting sleeve, the upper end of the foot pad is opened to receive the sole of the foot, and after the limiting sleeve is released, the limiting sleeve slides back under the action of the elastic element to cover the toes on the upper end of the foot pad.
6. The multifunctional fixation device for limb burns according to claim 1, characterized in that, Round holes are arranged in an array on the disc surface of the driving disc to install telescopic teeth; the telescopic teeth are pressing-type telescopic teeth, that is, the telescopic teeth can be controlled to extend out or retract from the disc surface of the driving disc by pressing, and the pushing distance for the driving disc to push the pushing member to reciprocate is controlled.