Wheelchair foot support for lower limb fracture patient
By designing a wheelchair footrest for patients with lower limb fractures, and utilizing a motor-driven screw system and ice pack interlayer, the problem of venous return during the peak swelling period of patients with lower limb fractures was solved, thereby reducing swelling and relieving pain.
Patent Information
- Application Number
- CN202423047102.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-10
AI Technical Summary
During the peak swelling period of lower limb fracture patients (48-72 hours), current technology is insufficient to effectively promote venous return in the affected limb, leading to increased swelling.
A wheelchair footrest for patients with lower limb fractures has been designed, comprising a cross plate, support components, and a motor-driven screw system. By adjusting the position and angle of the base plate and support plate, it provides personalized support and promotes venous return. It is also equipped with an ice pack interlayer for cooling and pain relief.
Through personalized support and a motor-driven mechanical structure, it promotes venous return in the affected limb, reduces swelling, adapts to different leg lengths of patients, and relieves pain with ice packs.
Smart Images
Figure CN223731646U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to medical technology field especially relates to lower limbs fracture patient wheelchair foot support. BACKGROUND
[0002] Generally in 48-72 hours after the patient is wounded or postoperative, the affected limb will appear the swelling peak period, and during this period, the doctor will open more examinations to assess the patient, and the examination time is about 1-3h, and for the lower limbs fracture patient, along with the increase of the affected limb drooping time, the swelling degree will also be aggravated, and the utility model provides a structure that can promote the affected limb venous return and relieve the affected limb swelling. CONTENT OF UTILITY MODEL
[0003] In view of the insufficient of prior art, the utility model provides lower limbs fracture patient wheelchair foot support, solves above -mentioned problem.
[0004] To realize above -mentioned purpose, the utility model passes through following technical scheme to realize: lower limbs fracture patient wheelchair foot support, including horizontal plate, still include: support subassembly, for supporting the leg of patient, support subassembly, including base plate, bracing plate and backing plate, base plate sliding connection is in horizontal plate, it is lastly connected with bracing plate on base plate, and backing plate is fixedly connected on bracing plate, and bracing plate is equipped with a plurality of interlayer for placing ice bag on bracing plate.
[0005] Beneficial effect
[0006] The utility model provides lower limbs fracture patient wheelchair foot support, and compared with prior art has the following beneficial effects:
[0007] When in use, the medical staff places the horizontal plate at the wheelchair leg support and manually rotates the dial, so that the right-handed screw rod B fixedly connected at the center of the dial shaft starts to rotate and drives the left-handed screw rod A fixedly connected thereto to start to rotate, at this time, the sliding cylinder A threadedly connected on the left-handed screw rod A and the right-handed screw rod B starts to move linearly towards each other at the connection with the horizontal plate, and the two arc plates start to cooperate to clamp the wheelchair leg support, so as to fix the device on the wheelchair, then the base plate starts to move linearly at the connection with the horizontal plate, so as to adjust the position of the base plate according to the needs of the patient, and the bolt B is rotated and tightened to be connected with the horizontal plate, so as to fix the base plate, so as to support the left leg or the right leg of the patient, after the position adjustment is completed, the motor is started, so that the motor drives the screw rod fixedly connected with the output shaft to rotate synchronously, and drives the sliding cylinder threadedly connected thereon to move linearly at the connection with the base plate, and the sliding cylinder drives the top rod articulated thereon to move synchronously, at this time, the top rod starts to push the support plate, so that the support plate is folded upwards as the hinge point with the base plate, when the angle is adjusted to the appropriate angle, the motor is controlled to stop rotating, so as to limit the angle of the support plate, then the patient can place the lower leg on the pad plate, and the pad plate supports the leg of the patient to promote the venous return of the affected limb and reduce the swelling degree; meanwhile, if the leg of the patient is long, the user can pull the pull plate, so that the part of the plate body of the pull plate in the base plate extends, so as to adjust the length of the patient's leg, and then the bolt A is tightened to fix the pull plate. BRIEF DESCRIPTION OF DRAWINGS
[0008] Fig. 1 It is a three-dimensional structure schematic view of the utility model.
[0009] Fig. 2 It is a whole structure side view schematic view of the utility model.
[0010] Fig. 3 It is a screw rod structure schematic view of the utility model.
[0011] Fig. 4 It is a whole structure section schematic view of the utility model.
[0012] Mark annotation: horizontal plate 101, support assembly 2, base plate 201, support plate 202, pad plate 203, top rod 204, sliding cylinder 205, screw rod 206, motor 207, pull plate 208, bolt A 209, pedal 301, bolt B 302, left-handed screw rod A 303, right-handed screw rod B 304, sliding cylinder A 305, arc plate 306, dial 307. DETAILED DESCRIPTION
[0013] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.
[0014] The specific implementation of the utility model will be described in detail below in combination with specific examples.
[0015] Please refer to Figs. 1-4 For the utility model embodiment, the lower limb fracture patient wheelchair foot support comprises a horizontal plate 101 and further comprises:
[0016] The support assembly 2 is used for supporting the patient's leg.
[0017] The support assembly 2 comprises a base plate 201, a support plate 202 and a pad plate 203, the base plate 201 is slidably connected to the horizontal plate 101, the support plate 202 is rotatably connected to the base plate 201, the pad plate 203 is fixedly connected to the support plate 202, and the support plate 202 is provided with a plurality of clamping layers for placing ice bags.
[0018] For the above example, those skilled in the art should know that the specific pad plate 203 described in the above embodiment is not limited to the implementation of the above technical scheme, for example, a sponge layer is arranged on the pad plate 203, and a soft memory sponge layer is arranged on the sponge layer. The purpose of this arrangement is to facilitate the increase of the protection effect on the patient's leg through this arrangement, to avoid secondary injury, and a plurality of magic tapes for fixing ice bags are arranged on the inner side of the pad plate 203, so as to fix the ice bags at the corresponding positions of the patient's affected area, so as to facilitate cooling and pain relief.
[0019] Specifically, the support plate 202 is hingedly connected with a top rod 204, the other end of the top rod 204 is hingedly connected with a sliding cylinder 205, and the sliding cylinder 205 is slidably connected to the horizontal plate 101.
[0020] For the above example, those skilled in the art should know that the specific top rod 204 described in the above embodiment is not limited to the implementation of the above technical scheme, for example, the top rod 204 should be made of hard material, and the hinged ends thereof should be further hardened and reinforced. The purpose of this arrangement is to facilitate the avoidance of stress fracture through this arrangement.
[0021] Specifically, the sliding cylinder 205 is threadedly connected to a lead screw 206, one end of the lead screw 206 is rotatably connected to the base plate 201, the other end of the lead screw 206 is fixedly connected to the output shaft of a motor 207, and the motor 207 is fixedly connected to the base plate 201.
[0022] For the above example, those skilled in the art should know that in the implementation of the above technical solutions, it is not limited to the specific screw rod 206 described in the above embodiment, for example, the screw rod 206 can be selected as a reciprocating screw rod, and the purpose of such arrangement is that when the slider threaded on the reciprocating screw rod moves to one end, the movement direction of the slider can be quickly changed by continuing to control the reciprocating screw rod to rotate in the same direction.
[0023] For the above example, those skilled in the art should know that in the implementation of the above technical solutions, it is not limited to the specific motor 207 described in the above embodiment, for example, the motor 207 should be selected as a motor with multiple gear speed adjustment, and the purpose of such arrangement is to facilitate the adjustment of the rotation speed of the support plate 202.
[0024] Specifically, the support plate 202 is slidingly connected with a pull plate 208, the support plate 202 is threaded with a bolt A 209, and the bolt A 209 is clamped with the pull plate 208 through the groove on the pull plate 208.
[0025] For the above example, those skilled in the art should know that in the implementation of the above technical solutions, it is not limited to the specific pull plate 208 described in the above embodiment, for example, the groove on the pull plate 208 should be provided as multiple, and the purpose of such arrangement is to facilitate the adjustment range of the length of the pull plate 208.
[0026] Specifically, the pull plate 208 is rotatably connected with a pedal 301, the groove of the base plate 201 is sleeved with a bolt B 302, and the bolt B 302 is threaded with the horizontal plate 101.
[0027] For the above example, those skilled in the art should know that in the implementation of the above technical solutions, it is not limited to the specific pedal 301 described in the above embodiment, for example, the pedal 301 is provided with a fastening bolt at the connection with the pull plate 208, and the purpose of such arrangement is to facilitate the fixation of the angle of the pedal 301.
[0028] Specifically, the horizontal plate 101 is rotatably connected with a left-handed screw rod A 303, the other end of the left-handed screw rod A 303 is fixedly connected with a right-handed screw rod B 304, the right-handed screw rod B 304 is rotatably connected with the horizontal plate 101, and the right-handed screw rod B 304 is fixedly connected with a dial 307.
[0029] For the above example, those skilled in the art shall know that in the implementation of the technical solutions, the left-handed screw rod A303 and the ejector rod 204 are not limited to the specific embodiments described above, for example, the left-handed screw rod A303 and the ejector rod 204 can be selected as a screw rod with self-locking effect, and the purpose of such arrangement is to facilitate the increase of the limiting effect of the slide cylinder A305 through such arrangement.
[0030] Specifically, the left-handed screw rod A303 and the right-handed screw rod B304 are respectively threadedly connected with the slide cylinder A305, the slide cylinder A305 is slidably connected with the horizontal plate 101, and the two slide cylinders A305 are respectively fixedly connected with the arc plate 306.
[0031] For the above example, those skilled in the art shall know that in the implementation of the technical solutions, the left-handed screw rod A303 and the ejector rod 204 are not limited to the specific embodiments described above, for example, the left-handed screw rod A303 and the ejector rod 204 can be selected as a screw rod with self-locking effect, and the purpose of such arrangement is to facilitate the increase of the limiting effect of the slide cylinder A305 through such arrangement.
[0032] In the embodiment of the utility model, when using, medical staff places the horizontal plate 101 at the wheelchair leg support, and manually rotates the dial 307, so that the right-hand thread screw rod B304 fixedly connected at the axis of the dial 307 starts to rotate, and drives the left-hand thread screw rod A303 fixedly connected thereon to start to rotate, at this time, the slide cylinder A305 threadedly connected on the left-hand thread screw rod A303 and the right-hand thread screw rod B304 starts to linearly move towards each other at the connection with the horizontal plate 101, and makes the two arc plates 306 start to mutually cooperate to clamp the wheelchair leg support, so as to fix the device on the wheelchair, then starts to horizontally push the base plate 201, at this time, the base plate 201 starts to linearly move at the connection with the horizontal plate 101, so as to adjust the position of the base plate 201 according to the needs of the patient, and rotates and tightens the bolt B302, so as to be connected with the horizontal plate 101 and fix the base plate 201, so as to support the left leg or the right leg of the patient, after the position adjustment is completed, starts to start the motor 207, so that the motor 207 drives the screw rod 206 fixedly connected with the output shaft to rotate synchronously, and drives the slide cylinder 205 threadedly connected thereon to start to linearly move at the connection with the base plate 201, and makes the slide cylinder 205 drive the top rod 204 articulated thereon to move synchronously, at this time, the top rod 204 starts to push the supporting plate 202, so that the supporting plate 202 is folded upwards at the hinge with the base plate 201 as a fulcrum, when being adjusted to the appropriate angle, the motor 207 is controlled to stop, so as to limit the angle of the supporting plate 202, then the patient can place the lower leg on the pad 203, and the pad 203 supports the leg of the patient, so as to promote the venous return of the affected limb and reduce the swelling degree; at the same time, if the leg of the patient is long, the user can pull the pull plate 208, so that the part of the plate body of the pull plate 208 in the base plate 201 extends, so as to adjust the length according to the leg of the patient, and then tightens the bolt A209 to fix the pull plate 208.
[0033] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0034] The fixed connection referred to in the present application refers to the connection after fixing the parts or components without any relative movement. It is divided into two kinds of detachable connection and non-detachable connection.
[0035] (1) Detachable connection: Components are fixed together using screws, splines, wedges, etc. This type of connection allows for disassembly during maintenance without damaging the parts. However, the specifications of the connectors used must be correct.
[0036] (Such as the length of bolts, keys, and wedges), and tighten them properly.
[0037] (2) Non-removable connections: These mainly refer to welding, riveting, and tenon joints. Since disassembly requires forging, sawing, or oxy-acetylene cutting for repair or replacement, these parts generally cannot be reused. Furthermore, during connection, [the following should be noted]:
[0038] Pay attention to process quality, technical testing, and remedial measures (such as correction, polishing, etc.).
[0039] The sliding connection referred to in this application means that the component can slide along a linear trajectory, and the hinge referred to in this application means that the component can rotate along an axial constraint.
[0040] In some cases, the sliding connection and hinge referred to in this application may also be damped, enabling the component to maintain in the desired position.
[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A wheelchair footrest for patients with fractures of the lower limbs, comprising a crosspiece (101), characterized in that, Also include: Supporting assembly (2) for supporting the patient's leg; The supporting assembly (2) comprises a base plate (201), a support plate (202) and a backing plate (203), the base plate (201) is slidably connected to the cross plate (101), the base plate (201) is rotatably connected with the support plate (202), the backing plate (203) is fixedly connected to the support plate (202), and the support plate (202) is provided with a plurality of clamping layers for placing ice bags.
2. The lower extremity fracture patient wheelchair footrest of claim 1, wherein, The support plate (202) is hinged with a top rod (204), the other end of the top rod (204) is hinged with a slide cylinder (205), and the slide cylinder (205) is slidably connected to the cross plate (101).
3. The lower extremity fracture patient wheelchair footrest of claim 2, wherein, The slide cylinder (205) is threadedly connected to a lead screw (206), one end of the lead screw (206) is rotatably connected to the base plate (201), the other end of the lead screw (206) is fixedly connected to the output shaft of the motor (207), and the motor (207) is fixedly connected to the base plate (201).
4. The lower extremity fracture patient wheelchair footrest of claim 1, wherein, The support plate (202) is slidably connected with a pull plate (208), the support plate (202) is threadedly connected with a bolt A (209), and the bolt A (209) is clamped with the pull plate (208) through the groove on the pull plate (208).
5. The lower extremity fracture patient wheelchair footrest of claim 4, wherein, The pull plate (208) is rotatably connected with a pedal (301), the base plate (201) is provided with a bolt B (302), and the bolt B (302) is threadedly connected with the cross plate (101).
6. The lower extremity fracture patient wheelchair footrest of claim 1, wherein, The cross plate (101) is rotatably connected with a left-handed screw A (303), the other end of the left-handed screw A (303) is fixedly connected with a right-handed screw B (304), the right-handed screw B (304) is rotatably connected with the cross plate (101), and the right-handed screw B (304) is fixedly connected with a dial (307).
7. The wheelchair footrest for a lower extremity fracture patient according to claim 6, characterized by, The left-handed screw A (303) and the right-handed screw B (304) are respectively threadedly connected with a slide cylinder A (305), the slide cylinder A (305) is slidably connected with the cross plate (101), and two slide cylinders A (305) are respectively fixedly connected with an arc plate (306).
8. The wheelchair footrest for a lower extremity fracture patient according to claim 1, wherein The inner side of the backing plate (203) is provided with a plurality of magic tapes for fixing ice bags.