Upper limb fixing device for hemodialysis
By designing an adjustable upper limb fixation device for hemodialysis, the problem of patients' arms moving around during dialysis is solved. It provides easy-to-move fixation and hot air warming functions, improving the comfort and applicability for patients.
Patent Information
- Application Number
- CN202520249408.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Some first-time dialysis patients, elderly and frail patients, critically ill patients, and agitated patients move their arms around during hemodialysis, making the procedure difficult. This is especially true for patients with wounds or limited mobility, as the existing fixation methods are not convenient for repositioning.
A hemodialysis upper limb fixation device was designed, which includes a fixation mechanism and an installation mechanism. The adjustable fixation of the arm is achieved through sliding pins and connecting components. The device is combined with an arc-shaped fan plate to provide hot air, adapting to the needs of patients at different distances. It is fixed to the bed frame by a clamping plate.
It achieves a fixed position that facilitates movement, improving patient comfort and applicability, and avoiding the feeling of coldness in the arm during dialysis.
Smart Images
Figure CN223845906U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical auxiliary equipment related technical field more specifically, is blood dialysis upper limb fixing device. BACKGROUND
[0002] Blood dialysis is one of renal replacement therapy modes for patients with acute and chronic renal failure. It is through the body blood drainage to the outside, in a by countless hollow fibers composed of dialyzer, blood and body concentration similar electrolyte solution (dialysate) in a root root hollow fiber inside and outside, through diffusion, ultrafiltration, adsorption and convection principle carries on the material exchange, removes the body's metabolic waste, maintains electrolyte and acid-base balance; At the same time, remove excess water in the body, and the purified blood is returned to the whole process is called hemodialysis.
[0003] Part of the first dialysis patients, weak patients, critical patients and agitated patients, the arm will move randomly in the process of hemodialysis, so the patient needs to be moved to the bedside and then fixed on the bed by binding the rope, which is troublesome for patients with wounds or patients who are inconvenient to move. UTILITY MODEL CONTENT
[0004] The utility model discloses a blood dialysis upper limb fixing device convenient for moving position to solve the above technical problem.
[0005] To achieve the above object, the utility model provides the following technical scheme: blood dialysis upper limb fixing device, including fixed mechanism and installation mechanism, the fixed mechanism includes fixed assembly, first connecting plate and second connecting plate, the fixed assembly is used for fixing arm, and fixed assembly includes hand support plate and fixed part, the fixed part is installed on the hand support plate, and the fixed part is used for fixing hand on the hand support plate, the arc air baffle is covered on the hand support plate, hot air port is set up on the both sides of the arc air baffle, the hot air port is communicated with hot air machine, and the hot air port is used to send hot air to the arm on both sides;The slide pin is connected with the installation mechanism through the connecting assembly, and the installation mechanism includes guide rail, the slide groove is set up on the guide rail, and the guide rail is detachably fixedly connected with the bed frame, the connecting assembly includes slide pin, button, spring and limit connecting plate, the limit connecting plate is equipped with two, two limit connecting plates are located in the slide pin, and the slide pin is connected with the hand support plate, the side of two limit connecting plates close to each other is connected through the spring, one end of the limit connecting plate is connected with the button, and the other end is equipped with the lug, the end of the button extends to the outside of the slide pin and is slidably connected with the slide pin, the lug is opposite the side wall of the slide groove and is arranged, a plurality of limit grooves matched with the lug are arranged on the side wall of the slide groove at intervals;When the lug is opposite the limit groove and is arranged, the lug is inserted into the limit groove under the action of the spring;When the button slides to the unlocking position in the slide pin, the lug is spaced apart from the limit groove.
[0006] The further technical scheme of the present application is that the fixing member comprises a first binding belt and a second binding belt, the first binding belt and the second binding belt are respectively located on the two sides of the hand supporting plate, one end of the first binding belt and the second binding belt is respectively fixedly connected with the hand supporting plate, and the other end of the first binding belt is detachably connected with the other end of the second binding belt.
[0007] The further technical scheme of the present application is that one side of the first binding belt close to the hand supporting plate is detachably connected with the sticking surface on the hand supporting plate.
[0008] The further technical scheme of the present application is that the hand supporting plate is provided with two, and the ends of the two hand supporting plates close to each other are respectively hinged with the slide pin through the first connecting plate and the hand supporting plate.
[0009] The further technical scheme of the present application is that the mounting mechanism further comprises a clamping plate, a screw rod, a knob and an L-shaped frame, one end of the L-shaped frame is fixedly connected with the guide rail, the side of the L-shaped frame away from the guide rail is provided with the clamping plate, the side of the clamping plate away from the guide rail is connected with the screw rod, the clamping plate and the guide rail are mounted through the clamping bed frame, one end of the screw rod away from the clamping plate extends to the outside of the L-shaped frame and is threadedly connected with the L-shaped frame, and the end of the screw rod located outside the L-shaped frame is connected with the knob.
[0010] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:
[0011] The mounting mechanism is arranged on the bed frame, the hand is fixed through the fixing mechanism, the position of the fixing mechanism can be adjusted through the arranged connecting assembly, the fixing mechanism can be suitable for patients with different distances between the arms and the edge of the bed frame, the patient with a wound on the body or inconvenient to move can use the blood dialysis upper limb fixing device, the applicability and the comfort of the patient are improved. In addition, the arc-shaped air baffle of the fixing mechanism conveys hot air to the two sides, which can avoid the cold arms during dialysis, and further improve the comfort of the dialysis process. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 The three-dimensional schematic view of the blood dialysis upper limb fixing device is provided in the present application.
[0013] Figure 2 The sectional view of the blood dialysis upper limb fixing device at the limiting connecting plate is provided in the present application.
[0014] Figure 3 The partial three-dimensional schematic view of the blood dialysis upper limb fixing device is provided in the present application.
[0015] Explanation of the reference numerals in the schematic view:
[0016] 1 hand plate; 2, wind plate handle; 3, arc-shaped wind plate; 4, storage groove; 5, sticking surface; 6, first strap; 7, second strap; 8, first connecting plate; 9, button; 10, slide pin; 11, second connecting plate; 12, guide rail; 13, sliding slot; 14, clamping plate; 15, screw; 16, knob; 17, L-shaped frame; 18, spring; 19, protrusion; 20, limiting groove; 21, limiting connecting plate; 22, hot air port. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. The present application will be further described below with reference to the embodiments.
[0018] Please refer to Figure 1 - Figure 3In one embodiment of the present application, the hemodialysis upper limb fixing device comprises a fixing mechanism and a mounting mechanism, the fixing mechanism comprises a fixing assembly, a first connecting plate 8 and a second connecting plate 11, the fixing assembly is used for fixing an arm, the fixing assembly comprises a hand supporting plate 1 and a fixing piece, the fixing piece is installed on the hand supporting plate 1, and the fixing piece is used for fixing a hand on the hand supporting plate 1, an arc-shaped air baffle 3 is arranged on the hand supporting plate 1, hot air outlets 22 are formed on both sides of the arc-shaped air baffle 3, the hot air outlets 22 are communicated with a hot air blower, the hot air outlets 22 are used for conveying hot air generated by the hot air blower to both sides of the arm to avoid cold arms during the dialysis process, and in order to realize the storage of the arc-shaped air baffle 3, the arc-shaped air baffle 3 is slidingly installed in a storage groove 4 formed in the hand supporting plate 1, so that the arc-shaped air baffle 3 can be slid out of the storage groove 4 when hot air needs to be provided, and in order to facilitate the adjustment of the position of the arc-shaped air baffle 3, an air baffle handle 2 is arranged at the end of the arc-shaped air baffle 3; a sliding pin 10 is connected with the mounting mechanism through a connecting assembly, the mounting mechanism comprises a guide rail 12, a sliding groove 13 is formed in the guide rail 12, the guide rail 12 is detachably and fixedly connected with a bed frame, the connecting assembly comprises the sliding pin 10, a button 9, a spring 18 and limiting connecting plates 21, the limiting connecting plates 21 are provided in two, the limiting connecting plates 21 are located in the sliding pin 10, the sliding pin 10 is connected with the hand supporting plate 1, the limiting connecting plates 21 are connected with each other through the spring 18 on the side close to each other, one end of the limiting connecting plate 21 is connected with the button 9, the other end is provided with a protruding block 19, the end of the button 9 extends to the outside of the sliding pin 10 and is slidingly connected with the sliding pin 10, the protruding block 19 is arranged opposite to the side wall of the sliding groove 13, and a plurality of limiting grooves 20 matched with the protruding block 19 are formed in the side wall of the sliding groove 13 at intervals; when the protruding block 19 is arranged opposite to the limiting groove 20, the protruding block 19 is inserted into the limiting groove 20 under the action of the spring 18; when the position of the hand supporting plate 1 needs to be adjusted, the button 9 is slid into the sliding pin 10 to an unlocking position, the protruding block 19 is arranged at intervals with the limiting groove 20, so that the position of the hand supporting plate 1 can be moved by moving the position of the sliding pin 10.
[0019] In the embodiment, the fixing piece comprises a first binding belt 6 and a second binding belt 7, the first binding belt 6 and the second binding belt 7 are respectively located on both sides of the hand supporting plate 1, one end of the first binding belt 6 and the second binding belt 7 is fixedly connected with the hand supporting plate 1, and the other end of the first binding belt 6 is detachably connected with the other end of the second binding belt 7.
[0020] Specifically, the first binding belt 6 and the second binding belt 7 and the first binding belt 6 and the sticking surface 5 are the hook surface and the fuzzy surface of the magic tape, and in actual application, the first binding belt 6 and the second binding belt 7 and the first binding belt 6 and the sticking surface 5 can also be a mother and daughter buckle, which is not limited in the embodiment.
[0021] In order to adjust the angle of the arm, improve the comfort of use, in the embodiment, the hand supporting plate 1 is provided with two, the end of the two hand supporting plates 1 close to each other is respectively hinged with the slide pin 10 through the first connecting plate 8 and the hand supporting plate 1.
[0022] In the embodiment, the mounting mechanism further comprises a clamping plate 14, a screw rod 15, a knob 16 and an L-shaped frame 17, one end of the L-shaped frame 17 is fixedly connected with the guide rail 12, the side of the L-shaped frame 17 away from the guide rail 12 is provided with the clamping plate 14, the side of the clamping plate 14 away from the guide rail 12 is connected with the screw rod 15, the clamping plate 14 and the guide rail 12 are mounted through the clamping bed frame, one end of the screw rod 15 away from the clamping plate 14 extends to the outside of the L-shaped frame 17 and is threadedly connected with the L-shaped frame 17, the end of the screw rod 15 located outside the L-shaped frame 17 is connected with the knob 16, during installation, the clamping plate 14 and the guide rail 12 are clamped and fixed on the fixing member such as a bed frame by rotating the screw rod 15, and the installation of the hand supporting plate 1 is completed.
[0023] During use, the bed frame is clamped by the L-shaped frame 17, and the clamping plate 14 is clamped to the bed frame by rotating the screw rod 15 to realize fixed installation, since the distance between the arm of the patient and the bed frame is not fixed, in order to improve the applicability and the comfort of the patient, it is necessary to adjust the position of the hand supporting plate 1, specifically, the position limiting of the slide pin 10 is cancelled by pressing the key 9 and making the protruding block 19 slide out of the limiting groove 20, then the position of the hand supporting plate 1 is adjusted by moving the slide pin 10, after the adjustment is completed, the key 9 is released, the protruding block 19 is inserted into another limiting groove 20 under the elastic action of the spring 18, the position of the hand supporting plate 1 is fixed, then the arm is placed on the hand supporting plate 1, then the hand is fixed through the first binding belt 6 and the second binding belt 7, and then the work of hemodialysis is carried out, in order to avoid the coldness of the arm during the dialysis process, the external hot air blower is opened, and the arc-shaped air baffle 3 transports hot air to both sides.
[0024] The above describes the utility model and its embodiments in a schematic manner, which is not restrictive, and the drawings only show one of the embodiments of the utility model, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by the above, without departing from the creative purpose of the utility model, similar structural modes and embodiments can be designed without creativity, which should all belong to the protection scope of the utility model.
[0025] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that can be understood by a person skilled in the art.
Claims
1. Hemodialysis upper limb immobilization device, characterized in that, The utility model relates to a kind of arm fixing device, including fixed mechanism and installation mechanism, the fixed mechanism includes fixed component, first connecting plate (8) and second connecting plate (11), the fixed component is used to fix arm, fixed component includes hand rest (1) and fixing piece, the fixing piece is installed on hand rest (1), and the fixing piece is used to fix hand on hand rest (1), arc-shaped air baffle (3) is covered on the hand rest (1), hot air port (22) is formed on the both sides of arc-shaped air baffle (3), the hot air port (22) is communicated with hot air machine, and hot air port (22) is used to deliver hot air to the arm of both sides;Slide pin (10) is connected with installation mechanism by connecting assembly, and installation mechanism includes guide rail (12), the slide groove (13) is formed in guide rail (12), and guide rail (12) is detachably fixedly connected with bed frame, the connecting assembly includes slide pin (10), button (9), spring (18), limit connecting plate (21), the limit connecting plate (21) is equipped with two, two limit connecting plate (21) are located in slide pin (10), and slide pin (10) is connected with hand rest (1), and the side of two limit connecting plate (21) mutually close is connected by spring (18), one end of limit connecting plate (21) is connected with button (9), and the other end is equipped with lug (19), and the end of button (9) extends to the outside of slide pin (10) and is slidably connected with slide pin (10), the lug (19) is opposite slide groove (13) side wall and is arranged, and a plurality of limit grooves (20) are formed on the side wall of slide groove (13) and are spaced apart and cooperate with lug (19);When lug (19) is opposite limit groove (20) and is arranged, lug (19) is inserted into limit groove (20) under the action of spring (18);When button (9) is slid to the unlocking position in slide pin (10), the lug (19) is spaced apart with limit groove (20).
2. The hemodialysis upper limb fixing device according to claim 1, characterized in that, The fixing piece includes first bandage (6) and second bandage (7), and the first bandage (6) and the second bandage (7) are located on the two sides of the hand rest (1), respectively.
3. The hemodialysis upper limb fixing device according to claim 2, characterized in that, One end of the first bandage (6) and the second bandage (7) is fixedly connected with the hand rest (1), respectively, and the other end of the first bandage (6) and the second bandage (7) is detachably connected.
4. The hemodialysis upper limb fixing device according to claim 1, characterized in that, The first bandage (6) is detachably connected with the adhesive surface (5) on the hand rest (1) on the side close to the hand rest (1). The hand rest (1) is provided with two, and the ends of the two hand rests (1) close to each other are hingedly connected with the slide pin (10) through the first connecting plate (8) and the hand rest (1), respectively.
5. The hemodialysis upper limb fixing device according to claim 1, characterized in that, The installation mechanism further comprises a clamping plate (14), a screw rod (15), a knob (16) and an L-shaped frame (17), one end of the L-shaped frame (17) is fixedly connected with the guide rail (12), one side of the L-shaped frame (17) away from the guide rail (12) is provided with the clamping plate (14), one side of the clamping plate (14) away from the guide rail (12) is connected with the screw rod (15), the clamping plate (14) and the guide rail (12) are installed through a clamping bed frame, one end of the screw rod (15) away from the clamping plate (14) extends to the outside of the L-shaped frame (17) and is threadedly connected with the L-shaped frame (17), and the end of the screw rod (15) located outside the L-shaped frame (17) is connected with the knob (16).