Upper limb stabilizing bracket for hemodialysis
By designing a hemodialysis upper limb stabilization bracket and using a combination of airbags and massage balls, the numbness and discomfort caused by poor blood circulation in the upper limb during hemodialysis is solved, and the patient's comfort and blood flowability are improved.
Patent Information
- Application Number
- CN202420772507.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-15
AI Technical Summary
During hemodialysis, the patient's upper limbs need to be fixed for a long time, resulting in poor blood circulation and may cause numbness and discomfort.
A hemodialysis upper limb stabilization bracket is designed, including a support bracket, a clamping assembly and a massage assembly. Through the expansion and contraction of the airbag and the squeeze massage of the massage ball, massage and blood circulation of the patient's upper limbs can be promoted.
By massaging the patient's upper limbs and promoting blood circulation, the occurrence of numbness and discomfort is reduced, and the patient's comfort and blood flow during the dialysis process is improved.
Smart Images

Figure CN222676739U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of nursing equipment, in particular to a hemodialysis upper limb stabilizing bracket. Background Art
[0002] Hemodialysis is a process in which blood is drained from the body to the outside of the body, passed through a dialyzer composed of countless hollow fibers, and substances are exchanged through the principles of diffusion, ultrafiltration, adsorption and convection to remove metabolic waste from the body, maintain electrolyte and acid-base balance, and return the purified blood. The entire process is called hemodialysis. During use, a bracket is usually used to fix the patient's upper limbs to facilitate stable dialysis operations.
[0003] For example, a hemodialysis upper limb stabilization bracket with publication number 202221029565.9 includes a support plate, a slide rail is fixedly connected to the top of the support plate near the center, ..., and a storage mechanism is provided on the column. The utility model is provided with an adjustment mechanism, and the lifting and angle adjustment of the support plate can be adjusted through the mutual cooperation between the connecting cavity, the lifting cavity, the adjustment wheel, the connecting rod, the buffer spring, the U-shaped plate and the extrusion wheel, and the vibration of the support plate is reduced at the same time, thereby improving the comfort of the patient's forearm when clamping.
[0004] In the above patent, multiple components cooperate with each other to achieve the purpose of lifting and lowering and adjusting the angle of the support frame, and to reduce the shock of the support frame, so as to improve the comfort of the patient's upper limbs when clamping. However, during the clamping process, the patient's upper limbs need to maintain the same movement on the bracket for a long time and cannot move. Over time, the patient's upper limbs are prone to numbness due to poor blood circulation, causing discomfort.
[0005] Therefore, we propose a hemodialysis upper limb stabilization bracket to solve the above-mentioned problems. Summary of the invention
[0006] The purpose of the utility model is to provide a hemodialysis upper limb stabilization bracket to solve the problem that the patient's upper limb needs to maintain the same movement on the bracket for a long time and cannot move, and the patient's upper limb is prone to numbness and discomfort due to poor blood circulation over time.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hemodialysis upper limb stabilization bracket, comprising a support frame, a fixing component is fixedly connected to the bottom end of the support frame, a first clamping component is installed through the side wall of one side of the support frame, a plurality of air bags are fixedly connected at equal angles to the first clamping component, a second clamping component is fixedly connected to the side wall of the other side of the support frame, a massage component is installed on the side wall on the same side of the second clamping component, the massage component comprises a sealing box, and the plurality of air bags are fixedly connected to the sealing box via a connecting component.
[0008] Preferably, the fixing assembly includes a mounting plate, which is an inverted U-shaped structure and is fixedly connected to the bottom end of the support frame. The bottom wall of the mounting plate is symmetrically threaded with threaded rods, one end of each threaded rod is fixedly connected to a knob, and the other end is fixedly connected to a support plate.
[0009] Preferably, the first clamping assembly includes a pull plate, and the side wall of the support frame is symmetrically and slidably connected with a sliding rod, one end of each sliding rod is fixedly connected to the side wall of the pull plate, and the other ends of the two sliding rods are commonly fixedly connected to a clamping plate, the clamping plate is an arc-shaped structure, and the side wall is fixedly connected to a plurality of airbags, and springs are symmetrically and fixedly connected between the side wall of the support frame and the pull plate, and each of the springs is sleeved on the adjacent side wall of the sliding rod, and the second clamping assembly includes two mounting plates, the two mounting plates are symmetrically and fixedly connected to the side wall of the other side of the support frame, the two mounting plates are commonly fixedly connected to an arc-shaped pad plate, and the side wall is symmetrically and fixedly connected to a plurality of massage balls, and the arc-shaped pad plate is a stretchable structure.
[0010] Preferably, a slide groove is provided on the side wall of the support frame, and the massage component includes a motor, an output end of the motor is fixedly connected to a rotating rod, one end of the rotating rod passes through and is rotatably connected to the inside of the slide groove and extends to the inside of the sealing box, a section of the rotating rod located in the slide groove is provided with a first bidirectional thread groove, and the side wall is threadedly connected to a slider, the slider is in contact with the inner wall of the slide groove, and the side wall is fixedly connected to a connecting plate.
[0011] Preferably, the connecting plate is an inverted U-shaped structure, the sealing box is fixedly connected to the side wall of the support frame, and a pressure relief hole is opened at the top, the inner walls on both sides of the connecting plate are commonly fixedly connected with an arc scraper, the arc scraper is in contact with the arc pad, the side wall of one end of the rotating rod located in the sealing box is provided with a second two-way threaded groove, and the side wall is threadedly connected with a slide plate, the slide plate is in contact with the side wall of the sealing box, the side wall of the slide plate is fixedly connected with a piston through a connecting rod, and the piston is sealingly and slidingly connected to the inner wall of the sealing box.
[0012] Preferably, the connecting assembly includes an air pipe, which is a U-shaped structure. One end of the air pipe is fixedly connected to the bottom end of the sealing box, and the other end of the air pipe is fixedly connected to a connecting pipe. The side walls of each airbag are fixedly connected to a hose and are fixedly connected to the side walls of the connecting pipe.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The motor drives the rotating rod to rotate, so that the slider drives the arc scraper to squeeze and slide the arc pad back and forth, so that multiple massage balls squeeze and massage one side of the patient's upper limb, and the slide plate reciprocates along the second bidirectional threaded groove, and utilizes the pressure difference generated by the sealed sliding of the piston and the sealing box to continuously extract and blow air in the airbag, so as to achieve frequency expansion and contraction of the airbag, and massage the other side of the patient's upper limb. By massaging both sides of the patient's upper limb, blood circulation is improved and discomfort to the patient is avoided, which solves the problem of numbness and discomfort caused by poor blood circulation in the patient's upper limb in the prior art, improves the comfort of the patient's upper limb during dialysis, and enhances practicality.
[0015] 2. By setting a spring, the upper limb is fixed between the clamping plate and the arc-shaped pad under the elastic action of the spring. The arc-shaped clamping plate and the arc-shaped pad are set so that the contact range between the two sides and the upper limb is larger and more fitted, thereby improving the clamping effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a three-dimensional structural schematic diagram of the fixing component and the massage component in the utility model;
[0018] Figure 3 It is a three-dimensional structural schematic diagram of the first clamping assembly and the second clamping assembly in the utility model;
[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the connecting component in the utility model;
[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the utility model in the rear view direction.
[0021] In the figure: 1. support frame; 11. slide groove; 2. fixing component; 21. mounting plate; 22. threaded rod; 23. knob; 24. support plate; 3. first clamping component; 31. pull plate; 32. slide rod; 33. spring; 34. clamping plate; 4. second clamping component; 41. fixing plate; 42. arc pad; 43. massage ball; 5. massage component; 51. motor; 52. rotating rod; 53. slider; 54. connecting plate; 55. arc scraper; 56. slide plate; 57. piston; 58. sealing box; 59. pressure relief hole; 510. first two-way thread groove; 511. second two-way thread groove; 6. connecting component; 61. air pipe; 62. hose; 63. connecting pipe; 7. air bag. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Example 1: Please refer to Figure 1 , Figure 3 and Figure 5 A hemodialysis upper limb stabilization bracket comprises a support frame 1, a fixing component 2 is fixedly connected to the bottom end of the support frame 1, a first clamping component 3 is installed through the side wall of one side of the support frame 1, a plurality of air bags 7 are fixedly connected at equal angles to the first clamping component 3, a second clamping component 4 is fixedly connected to the other side wall of the support frame 1, a massage component 5 is installed on the side wall on the same side of the second clamping component 4, the massage component 5 comprises a sealing box 58, and a plurality of air bags 7 are fixedly connected to the sealing box 58 through a connecting component 6; the device is fixed to the bed through the fixing component 2, the upper limbs of the patient are stably clamped through the first clamping component 3 and the second clamping component 4, and the upper limbs of the patient are continuously massaged during the dialysis process through the massage component 5, so as to improve blood circulation and reduce discomfort.
[0024] The fixing assembly 2 includes a mounting plate 21, which is an inverted U-shaped structure and is fixedly connected to the bottom end of the support frame 1. The bottom wall of the mounting plate 21 is symmetrically threaded with threaded rods 22, one end of each threaded rod 22 is fixedly connected to a knob 23, and the other end is fixedly connected to a support plate 24; the fixed mounting plate 21 is clamped on the edge of the bed, and the threaded rod 22 is rotated so that the support plate 24 fits tightly with the bed, thereby fixing the device on the bed.
[0025] The first clamping assembly 3 includes a pulling plate 31, and a sliding rod 32 is symmetrically penetrated and slidably connected to the side wall of the support frame 1. One end of each sliding rod 32 is fixedly connected to the side wall of the pulling plate 31, and the other ends of the two sliding rods 32 are jointly fixedly connected to a clamping plate 34. The clamping plate 34 is an arc-shaped structure, and the side wall is fixedly connected to multiple air bags 7. A spring 33 is symmetrically fixedly connected between the side wall of the support frame 1 and the pulling plate 31, and each spring 33 is sleeved on the adjacent side wall of the sliding rod 32. The second clamping assembly 4 includes two fixing plates 41, and the two fixing plates 41 are symmetrically fixedly connected to the side wall of the other side of the support frame 1. The two fixing plates 41 are jointly fixedly connected to an arc-shaped pad plate 42, and the side wall is symmetrically fixedly connected to multiple massage balls 43. The arc-shaped pad plate 42 is a stretchable structure. By setting the arc-shaped clamping plate 34 and the arc-shaped pad plate 42, the contact range with the upper limb is larger, the fit is better, and the clamping effect is better.
[0026] In this embodiment: during use, the device is first moved to the bed, the fixed mounting plate 21 is clamped on the edge of the bed, and the threaded rod 22 is rotated so that the support plate 24 fits tightly with the bed, and then the device is fixed to the bed; then the pull plate 31 is pulled toward the outer wall, driving the two sliding rods 32 and the clamping plate 34 to move toward the outer wall, and compressing the spring 33, and then the patient places the upper limb between the clamping plate 34 and the arc-shaped pad 42, and then the pull plate 31 is released, and the clamping plate 34 is driven to reset under the elastic action of the spring 33, thereby fixing the upper limb between the clamping plate 34 and the arc-shaped pad 42. After the fixation is completed, the dialysis operation is carried out; wherein, by setting the arc-shaped clamping plate 34 and the arc-shaped pad 42, the contact range with the upper limb is larger, the fit is better, and the clamping effect is better.
[0027] Embodiment 2: This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 2 and Figure 4 A slide groove 11 is provided on the side wall of the support frame 1, and the massage component 5 includes a motor 51. A rotating rod 52 is fixedly connected to the output end of the motor 51. One end of the rotating rod 52 passes through and is rotatably connected to the inside of the slide groove 11 and extends to the inside of the sealing box 58. A first bidirectional thread groove 510 is provided on a section of the rotating rod 52 located in the slide groove 11, and a slider 53 is threadedly connected to the side wall. The slider 53 is in contact with the inner wall of the slide groove 11, and a connecting plate 54 is fixedly connected to the side wall; the slider 53 is in contact with the inner wall of the slide groove 11 to prevent the slider 53 from rotating.
[0028] The connecting plate 54 is an inverted U-shaped structure, the sealing box 58 is fixedly connected to the side wall of the support frame 1, and a pressure relief hole 59 is opened at the top, and the inner walls on both sides of the connecting plate 54 are fixedly connected with an arc scraper 55, and the arc scraper 55 is in contact with the arc pad 42. The side wall of one end of the rotating rod 52 located in the sealing box 58 is opened with a second two-way thread groove 511, and the side wall is threadedly connected with a slide plate 56, and the slide plate 56 is in contact with the side wall of the sealing box 58. The side wall of the slide plate 56 is fixedly connected with a piston 57 through a connecting rod, and the piston 57 is sealed and slidably connected to the inner wall of the sealing box 58; when the arc scraper 55 contacts the arc pad 42, the arc pad 42 is lifted up a small section, so that the massage effect of the massage ball 43 is better during the movement of the arc scraper 55.
[0029] The connecting component 6 includes an air pipe 61, which is a U-shaped structure. One end of the air pipe 61 is fixedly connected to the bottom end of the sealing box 58, and the other end of the air pipe 61 is fixedly connected to a connecting pipe 63. The side walls of each airbag 7 are fixedly connected to a hose 62, and are fixedly connected to the side walls of the connecting pipe 63; the air pipe 61 is a retractable structure.
[0030] In this embodiment: during the dialysis process, the motor 51 is started, and the motor 51 drives the rotating rod 52 to rotate, so that the slider 53 reciprocates along the first bidirectional thread groove 510, driving the connecting plate 54 and the arc scraper 55 to move together, so that the arc scraper 55 squeezes and slides the arc pad 42, so that the multiple massage balls 43 squeeze and massage one side of the patient's upper limb; during the rotation of the rotating rod 52, the slide plate 56 reciprocates along the second bidirectional thread groove 511, and when the piston 57 moves away from the support frame 1, the pressure difference generated by the sealed sliding of the piston 57 and the sealing box 58 is used to press the air in the sealing box 58 into the air supply pipe 61, and is pressed into the corresponding airbag 7 through the connecting pipe 63 and the hose 62 to expand the airbag 7. When the piston 57 approaches the support frame 1, the air in the airbag 7 is drawn back into the sealing box 58 through the hose 62, the connecting pipe 63 and the air supply pipe 61 to shrink the airbag 7, thereby realizing the frequency expansion and contraction of the airbag 7. Under the elasticity of the spring 33, no matter whether the airbag 7 is in a contracted or expanded state, the clamping plate 34 is always in contact with the upper limb, so that the airbag 7 can perform a certain degree of massage on the other side of the patient's upper limb through the frequency expansion and contraction of the airbag 7, thereby reducing the numbness of the patient's upper limb.
[0031] Working principle: The device is clamped on the edge of the bed by the mounting plate 21, and the support plate 24 is fitted with the bed by rotating the threaded rod 22 to stably fix the device; the pull plate 31 is pulled to drive the clamping plate 34 away, and the patient places the upper limb between the clamping plate 34 and the arc-shaped pad 42, and then the pull plate 31 is released, and the clamping plate 34 is reset under the elastic action of the spring 33, and the upper limb is fixed between the clamping plate 34 and the arc-shaped pad 42, and then the dialysis operation is started, and the motor 51 is used to drive the rotating rod 52 to rotate, so that the slider 53 reciprocates along the first bidirectional thread groove 510, driving the connecting The plate 54 and the arc scraper 55 move together, so that the arc scraper 55 squeezes and slides the arc pad 42, so that the multiple massage balls 43 squeeze and massage one side of the patient's upper limb. During the rotation of the rotating rod 52, the slide plate 56 reciprocates along the second bidirectional threaded groove 511, and the pressure difference generated by the sealed sliding of the piston 57 and the sealing box 58 is used to continuously extract and blow air from the airbag 7 to achieve frequency expansion and contraction of the airbag 7, and under the elasticity of the spring 33, the clamping plate 34 is always in contact with the upper limb to achieve massage of the other side of the patient's upper limb.
[0032] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A hemodialysis upper limb stabilization bracket, comprising a support frame (1) and a connecting assembly (6), characterized in that: The bottom end of the support frame (1) is fixedly connected to a fixing component (2); a first clamping component (3) is installed through a side wall of one side of the support frame (1); a plurality of air bags (7) are fixedly connected at equal angles to the first clamping component (3); a second clamping component (4) is fixedly connected to the other side wall of the support frame (1); a massage component (5) is installed on the side wall located on the same side as the second clamping component (4); the massage component (5) comprises a sealing box (58); and the plurality of air bags (7) are fixedly connected to the sealing box (58) via a connecting component (6).
2. The hemodialysis upper limb stabilization bracket according to claim 1, characterized in that: The fixing assembly (2) comprises a mounting plate (21), the mounting plate (21) being an inverted U-shaped structure and fixedly connected to the bottom end of the support frame (1), the bottom wall of the mounting plate (21) being symmetrically threaded with threaded rods (22), one end of each of the threaded rods (22) being fixedly connected to a knob (23), and the other end being fixedly connected to a support plate (24).
3. The hemodialysis upper limb stabilization bracket according to claim 1, characterized in that: The first clamping assembly (3) comprises a pull plate (31), and a slide bar (32) is symmetrically penetrated and slidably connected to the side wall of the support frame (1), one end of each slide bar (32) is fixedly connected to the side wall of the pull plate (31), and the other ends of the two slide bars (32) are commonly fixedly connected to a clamping plate (34), and the clamping plate (34) is an arc-shaped structure, and the side wall is fixedly connected to a plurality of air bags (7). A spring (33) is symmetrically fixedly connected between the side wall of the support frame (1) and the pull plate (31), and each spring (33) is sleeved on the side wall of an adjacent slide bar (32). The second clamping assembly (4) comprises two fixed plates (41), and the two fixed plates (41) are symmetrically fixedly connected to the other side wall of the support frame (1), and the two fixed plates (41) are commonly fixedly connected to an arc-shaped pad plate (42), and the side wall is symmetrically fixedly connected to a plurality of massage balls (43), and the arc-shaped pad plate (42) is a stretchable structure.
4. The hemodialysis upper limb stabilization bracket according to claim 1, characterized in that: The support frame (1) has a side wall provided with a slide groove (11), the massage component (5) comprises a motor (51), the output end of the motor (51) is fixedly connected to a rotating rod (52), one end of the rotating rod (52) penetrates and is rotatably connected to the inside of the slide groove (11), and extends to the inside of the sealing box (58), a section of the rotating rod (52) located in the slide groove (11) is provided with a first bidirectional thread groove (510), and the side wall is threadably connected to a slider (53), the slider (53) is in contact with the inner wall of the slide groove (11), and the side wall is fixedly connected to a connecting plate (54).
5. The hemodialysis upper limb stabilization bracket according to claim 4, characterized in that: The connecting plate (54) is an inverted U-shaped structure. The sealing box (58) is fixedly connected to the side wall of the support frame (1) and has a pressure relief hole (59) at the top. The inner walls on both sides of the connecting plate (54) are fixedly connected with arc scrapers (55), and the arc scrapers (55) are in contact with the arc pad (42). The side wall of one end of the rotating rod (52) located in the sealing box (58) is provided with a second bidirectional thread groove (511), and the side wall is threadedly connected with a slide plate (56), and the slide plate (56) is in contact with the side wall of the sealing box (58). The side wall of the slide plate (56) is fixedly connected with a piston (57) via a connecting rod, and the piston (57) is sealingly slidably connected to the inner wall of the sealing box (58).
6. The hemodialysis upper limb stabilization bracket according to claim 1, characterized in that: The connecting assembly (6) comprises an air delivery pipe (61) having a U-shaped structure, one end of the air delivery pipe (61) being fixedly connected to the bottom end of the sealing box (58), the other end of the air delivery pipe (61) being fixedly connected to a connecting pipe (63), and the side wall of each air bag (7) being fixedly connected to a hose (62) and being fixedly connected to the side wall of the connecting pipe (63).
Citation Information
Patent Citations
Upper limb stabilizing bracket for hemodialysis
CN218046001U