Adjustable limb movement tool
By designing adjustable limb movement devices, the problem of limb pain after pacemaker implantation has been solved, enabling controllable elbow joint movement, preventing complications, and promoting patient recovery.
Patent Information
- Application Number
- CN202423120945.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-17
AI Technical Summary
After pacemaker implantation, patients experience pain during limb movement, making it difficult to exercise independently, leading to complications such as deep vein thrombosis, poor wound healing, and muscle atrophy.
An adjustable limb movement device was designed, including a support platform, a flip plate, and a sliding plate. The upper arm and forearm are fixed by restraint straps, and the device, combined with a lifting rod and a limiting component, enables controllable flexion and extension of the elbow joint and prevents excessive elbow joint movement.
It effectively restricts the range of motion of the elbow joint, reduces pain, promotes blood circulation, prevents deep vein thrombosis and muscle atrophy, and promotes surgical wound healing.
Smart Images
Figure CN223845829U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of medical devices, concretely relates to an adjustable limb activity appliance. BACKGROUND
[0002] A pacemaker is a medical device, usually used to treat heart disease, which stimulates the heart to beat by sending tiny electrical pulses to the heart to maintain normal blood circulation. After pacemaker implantation, proper limb movement (such as elbow flexion and extension) is needed to promote local blood circulation, prevent deep vein thrombosis, and help surgical wound healing and prevent infection; in addition, limb movement can also prevent complications such as muscle atrophy and joint stiffness.
[0003] However, after pacemaker implantation, the upper limb on the implanted side will produce pain when moving, making it difficult for patients to exercise independently, so an adjustable limb activity appliance is proposed. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the purpose of the utility model is to provide an adjustable limb activity appliance to solve the problems in the prior art.
[0005] The purpose of the utility model can be achieved through the following technical solutions:
[0006] An adjustable limb activity appliance, comprising a base, a support column fixed to the upper end of the base, a lifting rod capable of lifting arranged on the support column, a support platform fixed to the lifting rod, a large arm fixing plate fixed to the support platform, and a restraint belt arranged on the large arm fixing plate to fix the large arm.
[0007] The upper end of the support platform is provided with a turnover plate, the turnover plate is provided with a rotating shaft rotatably connected with the support platform, the turnover plate is slidingly connected with a sliding plate along the length direction, and the sliding plate is provided with a restraint belt to fix the small arm.
[0008] Further, the lower end of the turnover plate is slidingly connected with a sliding block along the length direction thereof, the lower end of the sliding block is provided with a stop rod, the upper end of the support platform is provided with a limiting groove, and the stop rod is located in the limiting groove and cooperates with each other.
[0009] The lower end of the support platform is provided with two limiting assemblies, and the two limiting assemblies are located on the two sides of the stop rod and limit the sliding range of the stop rod in the limiting groove.
[0010] Further, the limiting assembly comprises a second fixing plate fixed to the lower end of the support platform, a adjusting rod threadedly connected to the second fixing plate, a stop plate rotatably connected to the end of the adjusting rod, and the stop plate slidingly connected with the support platform.
[0011] Further, the thread angle of the external thread of the adjusting rod is smaller than the equivalent friction angle.
[0012] Further, the lower end of the turnover plate is provided with a second T-shaped sliding groove, and the sliding block is in sliding fit with the second T-shaped sliding groove.
[0013] Further, the stop rod is rotationally connected or fixedly connected with the sliding block.
[0014] Further, the upper end of the turnover plate is provided with a first T-shaped sliding groove, and the sliding plate is in sliding fit with the first T-shaped sliding groove.
[0015] Further, the lifting rod is in sliding connection with the support column in the vertical direction, two first fixing plates are arranged on the support column in an up-down distribution, a lead screw is rotationally connected between the two first fixing plates, and a connecting plate is arranged on one side of the lifting rod, the lead screw penetrates through the connecting plate in the vertical direction and is in threaded connection with the connecting plate.
[0016] Further, the thread angle of the lead screw is smaller than the equivalent friction angle.
[0017] Further, the lower end of the base is provided with at least four universal wheels.
[0018] The beneficial effects of the utility model are as follows:
[0019] 1. By arranging the support column on the base, arranging the lifting rod capable of lifting on the support column, fixing the support platform on the upper end of the lifting rod, and supporting the upper limbs of the patient, the height of the support platform is suitable for patients with different heights and different postures.
[0020] 2. By arranging the upper arm fixing plate on the support platform, the upper arm of the patient is fixed through the restraint belt; then arranging the turnover plate capable of turning, arranging the sliding plate capable of sliding on the turnover plate, and fixing the lower arm of the patient on the sliding plate through the restraint belt, so as to drive the flexion and extension of the elbow joint of the patient.
[0021] 3. By arranging the sliding block assembly on the lower end of the turnover plate, and arranging two limiting assemblies on the lower end of the support platform, the sliding range of the stop rod in the limiting groove is limited, so that the turning range of the turnover plate is limited, and the flexion and extension range of the elbow joint is restricted, so as to prevent the elbow joint from being damaged due to too large flexion and extension amplitude. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, other drawings can also be obtained by those skilled in the art without creative labor.
[0023] Figure 1 It is the whole structure schematic diagram of the utility model's activity appliance.
[0024] Figure 2 is the bending mechanism structural schematic view of the utility model;
[0025] Figure 3 is the turnover plate structural schematic view of the utility model;
[0026] Figure 4 is the slider assembly structural schematic view of the utility model;
[0027] Figure 5 is the support platform structural schematic view of the utility model;
[0028] Figure 6 is the limiting assembly structural schematic view of the utility model. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0030] As shown in Figure 1 An adjustable limb activity appliance, comprising a base 1, the lower end of the base 1 is provided with four universal wheels to facilitate the movement of the base 1 and even the whole activity appliance, and the universal wheels are provided with brakes to facilitate ensuring the stop of the patient during the use of the activity appliance;
[0031] However, the number of universal wheels at the lower end of the base 1 includes but is not limited to four in the embodiment, and in other embodiments, the number of universal wheels at the lower end of the base 1 can also be more than four.
[0032] The upper end of the base 1 is fixed with a support column 2, the support column 2 is provided with a lifting rod 3 capable of lifting, the upper end of the lifting rod 3 is fixed with a support platform 5, and the upper limb of the patient (left upper limb in the embodiment) is placed on the upper end of the support platform 5 to perform the elbow flexion and extension of the elbow joint;
[0033] In the embodiment, the lifting rod 3 is in sliding connection with the support column 2 in the vertical direction, the support column 2 is provided with two first fixed plates 21 arranged in an up-down manner, the two first fixed plates 21 are in rotary connection with a lead screw 4, one side of the lifting rod 3 is provided with a connecting plate 31, the lead screw 4 penetrates through the connecting plate 31 in the vertical direction and is in threaded connection with the connecting plate 31, by rotating the lead screw 4, the lifting rod 3 can be driven to move up and down, so as to adjust the height of the support platform 5, thereby making the height of the support platform 5 suitable for patients of different heights and different postures (sitting or standing) of the patients.
[0034] In order to ensure that the support platform 5 remains stable after the height adjustment, the lead screw 4 needs to have self-locking property, that is, the thread angle of the lead screw 4 is smaller than the equivalent friction angle.
[0035] Of course, the method for driving the lifting rod 3 to move up and down includes but is not limited to the structure of the lead screw 4 in the embodiment, in some embodiments, a linear driving component such as a pneumatic cylinder or a hydraulic cylinder can also be arranged on the support column 2 to directly drive the lifting rod 3 to move up and down.
[0036] The upper end of the support platform 5 is fixed with a large arm fixed plate 6, the large arm fixed plate 6 is provided with a restraint belt, which can fix the large arm of the patient on the large arm fixed plate 6; and in the embodiment, one end of the restraint belt is fixed with the large arm fixed plate 6, and the other end is bonded with the large arm fixed plate 6 through a magic tape, so as to facilitate the binding and loosening of the large arm.
[0037] The upper end of the support platform 5 is provided with a bending mechanism 7, as shown in Figure 2 and Figure 3 The bending mechanism 7 includes a turnover plate 71, the turnover plate 71 is fixed with a rotating shaft 711, the rotating shaft 711 is in rotary connection with the support platform 5, the turnover plate 71 is in sliding connection with a sliding plate 72 along the length direction of the turnover plate 71, the sliding plate 72 is provided with a restraint belt to fix the small arm of the patient on the sliding plate 72 (one end of the restraint belt is fixed with the sliding plate 72, and the other end is bonded with the sliding plate 72 through a magic tape); and then a motor is arranged on the support platform 5 to drive the rotating shaft 711 to rotate, thereby driving the flexion and extension of the elbow joint of the patient.
[0038] In use, the large arm is fixed with the large arm fixed plate 6 through the restraint belt, then the position of the sliding plate 72 is adjusted according to the length of the small arm of the patient, and the small arm is fixed with the sliding plate 72 through the restraint belt thereon.
[0039] In the embodiment, as shown in Figure 3 , the turnover plate 71 is provided with a first T-shaped sliding groove 712, the sliding plate 72 is in sliding cooperation with the first T-shaped sliding groove 712, thereby realizing the sliding connection between the turnover plate 71 and the sliding plate 72.
[0040] The lower end of the turnover plate 71 is provided with a sliding block assembly 73, as shown inFigure 4 As shown, the slider assembly 73 includes a slider 731 slidingly connected with the turnover plate 71, and the sliding direction is parallel to the length direction of the turnover plate 71; the lower end of the slider 731 is provided with a stop rod 732; as shown Figure 5 As shown, a limiting groove 51 is formed in the upper end of the support platform 5, the stop rod 732 is located in the limiting groove 51 and cooperates with each other, and when the turnover plate 71 rotates, the stop rod 732 can slide in the limiting groove 51; the lower end of the support platform 5 is provided with two limiting assemblies 8, and the two limiting assemblies 8 are located on the two sides of the stop rod 732 respectively, so as to limit the sliding range of the stop rod 732 in the limiting groove 51, thereby limiting the rotation range of the turnover plate 71, so as to restrict the flexion and extension range of the elbow joint, prevent the flexion and extension amplitude of the elbow joint from being too large to cause injury, and play a protective role for the patient;
[0041] As shown Figure 6 As shown, the limiting assembly 8 includes a second fixed plate 81 fixed at the lower end of the support platform 5, the second fixed plate 81 is threadedly connected with an adjusting rod 82, the end of the adjusting rod 82 is rotatably connected with a baffle 83, the baffle 83 is slidingly connected with the support platform 5, the baffles 83 on the two limiting assemblies 8 are located on the two sides of the stop rod 732 respectively, by rotating the adjusting rod 82, the positions of the two baffles 83 can be adjusted, so as to adjust the sliding range of the stop rod 732 in the limiting groove 51, so as to achieve the purpose of restricting the flexion and extension range of the elbow joint;
[0042] In addition, the thread angle of the external thread on the adjusting rod 82 is smaller than the equivalent friction angle, that is, the adjusting rod 82 has self-locking property, so as to ensure that the position of the baffle 83 remains stable after adjustment.
[0043] In the embodiment, a second T-shaped sliding groove 713 is formed in the lower end of the turnover plate 71, and the slider 731 slidingly cooperates with the second T-shaped sliding groove 713.
[0044] In addition, in the embodiment, the stop rod 732 is rotatably connected with the slider 731, so as to reduce the friction force of the stop rod 732 in the limiting groove 51; and in other embodiments, the stop rod 732 can also be fixedly connected with the slider 731.
[0045] Working principle:
[0046] By setting the support column 2 on the base 1, setting the lifting rod 3 capable of lifting on the support column 2, fixing the support platform 5 on the upper end of the lifting rod 3, and capable of supporting the upper limbs of the patient, and making the height of the support platform 5 suitable for patients of different heights and different postures of the patient. By setting the large arm fixing plate 6 on the support platform 5, the upper limbs of the patient are fixed by the restraint belt; then set the turnover plate 71 capable of turning, set the sliding plate 72 capable of sliding on the turnover plate 71, and fix the small arm of the patient's upper limbs on the sliding plate 72 by the restraint belt, so as to drive the flexion and extension of the patient's elbow joint. By setting the sliding block assembly 73 at the lower end of the turnover plate 71, and setting two limiting assemblies 8 at the lower end of the support platform 5, to limit the sliding range of the stop rod 732 in the limiting groove 51, so as to limit the rotation range of the turnover plate 71, so as to constrain the flexion and extension range of the elbow joint, prevent the elbow joint from being injured due to too large flexion and extension amplitude.
[0047] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0048] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. An adjustable limb movement appliance comprising a base (1), characterised in that, The base (1) is fixed with a support column (2) at the upper end, a lifting rod (3) capable of lifting is arranged on the support column (2), a support platform (5) is fixed on the lifting rod (3), a large arm fixing plate (6) is fixed on the support platform (5), and a restraint belt is arranged on the large arm fixing plate (6) to fix the large arm; The support platform (5) is provided with a turnover plate (71) at the upper end, a rotating shaft (711) rotationally connected with the support platform (5) is arranged on the turnover plate (71), and a sliding plate (72) is slidingly connected with the turnover plate (71) along the length direction, and a restraint belt is arranged on the sliding plate (72) to fix the small arm.
2. An adjustable limb-activity appliance according to claim 1, characterized in that The lower end of the turnover plate (71) is slidingly connected with a sliding block (731) along the length direction, the lower end of the sliding block (731) is provided with a stop rod (732), a limiting groove (51) is formed in the upper end of the support platform (5), and the stop rod (732) is located in the limiting groove (51) and cooperates with each other; The lower end of the support platform (5) is provided with two limiting assemblies (8), and the two limiting assemblies (8) are located on the two sides of the stop rod (732) and limit the sliding range of the stop rod (732) in the limiting groove (51).
3. An adjustable limb-activating device according to claim 2, wherein, The limiting assembly (8) comprises a second fixed plate (81) fixed at the lower end of the support platform (5), a adjusting rod (82) threadedly connected with the second fixed plate (81), and a baffle (83) rotationally connected with the end of the adjusting rod (82), wherein the baffle (83) is slidingly connected with the support platform (5).
4. An adjustable limb-activating device according to claim 3, wherein, The thread angle of the external thread of the adjusting rod (82) is smaller than the equivalent friction angle.
5. An adjustable limb-activity appliance according to claim 2, wherein The lower end of the turnover plate (71) is provided with a second T-shaped sliding groove (713), and the sliding block (731) is slidingly matched with the second T-shaped sliding groove (713).
6. An adjustable limb-activity appliance according to claim 2, wherein, The stop rod (732) is rotationally connected or fixedly connected with the sliding block (731).
7. An adjustable limb-activity appliance according to claim 1, wherein The turnover plate (71) is provided with a first T-shaped sliding groove (712), and the sliding plate (72) is slidingly matched with the first T-shaped sliding groove (712).
8. An adjustable limb-activity appliance according to claim 1, wherein, The lifting rod (3) and the support column (2) are slidingly connected in the vertical direction, two first fixed plates (21) distributed in an up-down manner are arranged on the support column (2), a lead screw (4) is rotationally connected between the two first fixed plates (21), a connecting plate (31) is arranged on one side of the lifting rod (3), and the lead screw (4) penetrates through the connecting plate (31) in the vertical direction and is threadedly connected with the connecting plate (31).
9. An adjustable limb-activating device according to claim 8, wherein, The thread angle of the lead screw (4) is smaller than the equivalent friction angle.
10. An adjustable limb-activity appliance according to claim 1, wherein, The lower end of the base (1) is provided with at least four universal wheels.