Hemodialysis pipeline fixing patch
By designing a fixation patch for hemodialysis tubing, the problems of pressure, folding, and dislodgement of hemodialysis tubing when placed in the patient's hand are solved, achieving stable fixation and comfortable blood flow, and improving the effectiveness of dialysis treatment.
Patent Information
- Application Number
- CN202422433440.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-07-11
- Filing Date
- 2024-10-09
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2034-10-09
AI Technical Summary
When hemodialysis tubing is placed in a patient's hand, it can be easily compressed, folded, or dislodged, leading to tubing blockage and treatment interruption.
A hemodialysis tubing fixing patch has been designed, comprising a fixing patch, an adhesive patch, a limiting mechanism, and an adjustment mechanism. The hemodialysis tubing is fixed by being pasted on the patient's arm, and the limiting component and adjustment rod are used for limiting and angle adjustment. Combined with a heating layer, it provides comfort.
It effectively prevents compression, folding, and dislodgement of hemodialysis tubing, ensures smooth blood flow, improves treatment effectiveness, reduces the risk of blockage, and provides a warm and comfortable treatment environment.
Smart Images

Figure CN223930524U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of waterproof and heat insulation technology, and in particular to a fixation patch for hemodialysis tubing. Background Technology
[0002] Hemodialysis is one of the renal replacement therapies for patients with acute and chronic renal failure. It involves draining blood from the body and passing it through a dialyzer composed of numerous hollow fibers. The blood exchanges substances with an electrolyte solution containing a concentration similar to that in the body through diffusion, ultrafiltration, adsorption, and convection principles inside and outside the hollow fibers. This process removes metabolic waste, maintains electrolyte and acid-base balance, removes excess water, and then returns the purified blood to the body.
[0003] Currently, due to the long length of hemodialysis tubing, it is necessary to bend the tubing into a U-shape during hemodialysis treatment to avoid the difficulty of placement and the risk of compression and kinking caused by the long tubing. The tubing is typically placed on the inside of the patient's hand. To avoid the inconvenience of placing the long tubing and to prevent compression, kinking, or dislodgement, this device provides a hemodialysis tubing fixing patch. Utility Model Content
[0004] This utility model provides a hemodialysis tubing fixing patch to solve the aforementioned technical problems.
[0005] This utility model embodiment adopts the following technical solution: it includes a fixing patch for adhering to the upper surface of a patient's arm, an adhesive patch for attaching and fixing a hemodialysis tube, a limiting mechanism for limiting the position of the hemodialysis tube, an adjusting mechanism for adjusting the height of the limiting mechanism, and an auxiliary patch for connecting the adjusting mechanism to the fixing patch. The lower surface of the fixing patch is provided with an adhesive layer and a protective film is provided at the adhesive layer. There are two adhesive patches, which are symmetrically arranged on the upper surface of the fixing patch. There are two adjusting mechanisms, which are symmetrically arranged on the upper surface of the auxiliary patch and are both rotatably connected. There are two limiting mechanisms, which are arranged on the corresponding adjusting mechanisms.
[0006] Furthermore, the lower surface of the auxiliary sticker is provided with an adhesive layer and a protective film is provided at the adhesive layer.
[0007] Furthermore, both ends of the two adhesive stickers are provided with adhesive layers that adhere to each other, and both adhesive stickers are glued together by folding them in half.
[0008] Furthermore, a heating layer is provided between the fixing sticker and the two adhesive stickers; the heating layer between the fixing sticker and the two adhesive stickers operates on the same principle as traditional disposable hand warmers or disposable steam eye masks, and generates heat when exposed to air after being removed.
[0009] Furthermore, both of the aforementioned adjustment mechanisms include an adjustment seat, an adjustment rod, and an adjustment handle. The adjustment seat is disposed on the upper surface of the auxiliary patch, the adjustment rod is threadedly connected to the adjustment seat, and the adjustment handle is disposed on the side end of the adjustment rod.
[0010] Furthermore, both of the limiting mechanisms are limiting components, both of the limiting components are made of rubber, both of the limiting components have a slot inside, and both slots are adapted to the diameter of the hemodialysis tube. The two limiting components are rotatably connected to the upper end of the corresponding adjusting rod.
[0011] The above-mentioned technical solutions adopted in the embodiments of this utility model can achieve the following beneficial effects:
[0012] This device can bend and attach the hemodialysis tubing to the upper surface of the patient's arm, preventing the tubing from coming out. Because hemodialysis tubing is long and inconvenient to place, and because the patient's limb may compress the hemodialysis tubing, bending the tubing can cause blood clotting and blockage inside the tubing. At the same time, it also achieves the effect of limiting and adjusting the hemodialysis tubing to the left and right, which can further facilitate blood flow and improve the treatment effect.
[0013] Because hemodialysis tubing is attached to the patient's arm with a fixation patch, compression, kinking, and catheter dislodgement can occur during treatment. Compression or kinking can trigger a machine alarm (high venous pressure) and may cause blood clotting within the tubing, leading to blockage and preventing blood return to the body. In such cases, a fixation device can be used to secure the arterial and venous tubing at the patch site for hemodialysis. Kinking of the tubing affects blood flow and may increase the risk of blockage. In this situation, the adjustment handle can be rotated to rotate the adjustment rod. The adjustment rod engages with the threaded adjustment seat, allowing for left-right adjustment based on the blood flow and direction within the tubing. This ensures the blood flows in the same direction throughout the hemodialysis process, preventing catheter dislodgement or compression that could trigger alarms (dynamic / static pressure) and pump stoppage, and further preventing blood blockage.
[0014] When using this device, the hemodialysis tubing can be bent into a U-shape according to its length, and the bend is placed in the corresponding slot of the corresponding limiting component. The hemodialysis tubing is limited and fixed by the corresponding slot. The two limiting components are rotatably connected to the upper end of the corresponding adjusting rod. Regardless of the angle of the adjusting rod, the two limiting components will be constrained after the hemodialysis tubing is placed in the corresponding slot. The two limiting components are made of rubber, which facilitates the insertion and removal of the tubing. Then, the hemodialysis tubing is glued on with two adhesive tapes. Finally, it is pasted on the back of the patient's arm with fixing tape and auxiliary tape. The whole process is simple to operate and has low cost. Attached Figure Description
[0015] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:
[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;
[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;
[0018] Figure 3 This is a schematic diagram of the pipe in a fixed state in this utility model;
[0019] Figure 4 This is a three-dimensional structural diagram of the fixing sticker and the adhesive sticker in this utility model;
[0020] Figure 5 This is a three-dimensional structural diagram of the limiting mechanism and the adjusting mechanism in this utility model.
[0021] Attached Figure
[0022] 1. Fixing sticker; 2. Adhesive sticker; 3. Limiting mechanism; 31. Limiting component; 4. Adjusting mechanism; 41. Adjusting seat; 42. Adjusting rod; 43. Adjusting handle; 5. Auxiliary sticker; 6. Heating layer. Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0024] The technical solutions provided by the various embodiments of this utility model are described in detail below with reference to the accompanying drawings.
[0025] This utility model embodiment provides a hemodialysis tubing fixing patch, including a fixing patch 1 for adhering to the upper surface of a patient's arm, an adhesive patch 2 for attaching and fixing the hemodialysis tubing, a limiting mechanism 3 for limiting the position of the hemodialysis tubing, an adjusting mechanism 4 for adjusting the height of the limiting mechanism 3, and an auxiliary patch 5 for connecting the adjusting mechanism 4 to the fixing patch 1. The lower surface of the fixing patch 1 is provided with an adhesive layer and a protective film is provided at the adhesive layer. There are two adhesive patches 2, which are symmetrically arranged on the upper surface of the fixing patch 1. There are two adjusting mechanisms 4, which are symmetrically arranged on the upper surface of the auxiliary patch 5 and are both rotatably connected. There are two limiting mechanisms 3, which are arranged on the corresponding adjusting mechanisms 4.
[0026] This device allows the hemodialysis tubing to be bent back and attached to the upper surface of the patient's arm, avoiding the risks of catheter dislodgement due to the inconvenience of long tubing placement, and preventing blood blockage caused by pressure or kinking of the tubing by the patient's limb. It also allows for the limitation and lateral adjustment of the hemodialysis tubing, further facilitating blood flow and improving treatment outcomes.
[0027] In a further preferred embodiment of the present invention, the lower surface of the auxiliary sticker 5 is provided with an adhesive layer and a protective film is provided at the adhesive layer;
[0028] The auxiliary patch 5 has an adhesive layer on its lower surface and a protective film on the adhesive layer, which can limit and fix the two limiting mechanisms 3 and the two adjusting mechanisms 4, improving the stability of the device and laying the foundation for the subsequent limiting and height adjustment of the hemodialysis tubing.
[0029] In a further preferred embodiment of the present invention, both ends of the two adhesive stickers 2 are provided with adhesive layers that adhere to each other, and the two adhesive stickers 2 are adhered by folding in half.
[0030] like Figure 3As shown, because the hemodialysis tubing is quite long, it needs to be placed in a U-shape with a bend. However, this placement method can easily cause the patient's limb to compress the tubing, leading to blood blockage inside the tubing and a risk of catheter dislodgement. To address this, two adhesive patches 2 are provided at both ends with adhesive layers that adhere to each other. Both adhesive patches 2 are folded together to fix the hemodialysis tubing to the fixing patch 1. The fixing patch 1 is then used to attach the tubing to the upper surface of the patient's arm, which greatly reduces the possibility of the hemodialysis tubing being compressed or pulled, and also facilitates the placement of the hemodialysis tubing.
[0031] In a further preferred embodiment of this utility model, a heating layer 6 is provided between the fixing sticker 1 and the two adhesive stickers 2; the heating layer 6 provided between the fixing sticker 1 and the two adhesive stickers 2 operates on the same principle as the heating principle of traditional disposable hand warmers or disposable steam eye masks, and generates heat when it is exposed to the air after being removed.
[0032] When performing hemodialysis treatment in colder weather, a heating layer 6 is provided between the fixation patch 1 and the two adhesive patches 2 to provide warmth to the patient. The heating layer 6 heats the surface in contact with the patient, relieving discomfort in the arm and providing a comfortable treatment environment for the patient.
[0033] In a further preferred embodiment of the present invention, each of the two adjustment mechanisms 4 includes an adjustment seat 41, an adjustment rod 42, and an adjustment handle 43. The adjustment seat 41 is disposed on the upper surface of the auxiliary patch 5, the adjustment rod 42 is threadedly connected to the adjustment seat 41, and the adjustment handle is disposed on the side end of the adjustment rod 42.
[0034] Since the hemodialysis tubing is attached to the patient's arm via a fixing patch 1, the tubing may be compressed or kinked during treatment. When blood flows through the tubing in a blocked state, the risk of blockage or dislodgement increases. In such cases, rotating the adjusting handle 43 rotates the adjusting rod 42. The adjusting rod 42 engages with the adjusting seat 41 via a thread, allowing it to move left and right. This adjustment, based on the blood flow within the tubing, ensures the blood flows in the same direction during hemodialysis, preventing blood flow when the catheter is blocked, improving treatment effectiveness, and further preventing blood blockage and catheter dislodgement.
[0035] In a further preferred embodiment of this utility model, both limiting mechanisms 3 are limiting members 31, both limiting members 31 are made of rubber, both limiting members 31 have a slot inside and both slots are adapted to the diameter of the hemodialysis tube, and the two limiting members 31 are rotatably connected to the upper end of the corresponding adjusting rod 42.
[0036] When using this device, if Figure 3 As shown, the hemodialysis tubing can be bent into a U-shape according to its length, and the bend is placed in the corresponding slot of the corresponding limiting member 31. The hemodialysis tubing is limited and fixed by the corresponding slot. The two limiting members 31 are rotatably connected to the upper end of the corresponding adjusting rod 42. No matter how the angle of the adjusting rod 42 is adjusted, the two limiting members 31 will be constrained after the bend of the hemodialysis tubing is placed in the corresponding slot. Only the size of the U-shape changes. The two limiting members 31 are made of rubber, which facilitates the insertion and removal of the tubing. Then, the hemodialysis tubing is glued with two adhesive stickers 2. Finally, it is pasted on the back of the patient's arm with fixing sticker 1 and auxiliary sticker 5. The whole process is simple to operate and has low cost.
[0037] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.
Claims
1. A hemodialysis tubing fixing patch, characterized in that: include; (1) Fixation tape used to adhere to the upper surface of the patient's arm. Adhesive for attaching and fixing hemodialysis tubing (2); (3) A limiting mechanism for limiting the position of a hemodialysis catheter. Adjustment mechanism (4) for adjusting the limit mechanism (3) left and right; Auxiliary sticker (5) is used to connect the adjustment mechanism (4) to the fixing sticker (1); The lower surface of the fixing sticker (1) is provided with an adhesive layer and a protective film is provided at the adhesive layer. There are two adhesive stickers (2), which are symmetrically arranged on the upper surface of the fixing sticker (1). There are two adjustment mechanisms (4), which are symmetrically arranged on the upper surface of the auxiliary sticker (5) and are both rotatably connected. There are two limiting mechanisms (3), which are arranged on the corresponding adjustment mechanisms (4).
2. The hemodialysis tubing fixing patch as described in claim 1, characterized in that: The lower surface of the auxiliary sticker (5) is provided with an adhesive layer and a protective film is provided at the adhesive layer.
3. The hemodialysis tubing fixing patch as described in claim 1, characterized in that: Both ends of the two adhesive stickers (2) are provided with adhesive layers that adhere to each other, and both adhesive stickers (2) are glued together by folding.
4. The hemodialysis tubing fixing patch as described in claim 1, characterized in that: A heating layer (6) is provided between the fixing sticker (1) and the two adhesive stickers (2).
5. The hemodialysis tubing fixing patch as described in claim 1, characterized in that: Both adjustment mechanisms (4) include an adjustment seat (41), an adjustment rod (42), and an adjustment handle (43). The adjustment seat (41) is located on the upper surface of the auxiliary sticker (5). The adjustment rod (42) is threadedly connected to the adjustment seat (41). The adjustment handle (43) is located on the side end of the adjustment rod (42).
6. The hemodialysis tubing fixing patch as described in claim 1, characterized in that: Both of the limiting mechanisms (3) are limiting components (31), both of the limiting components (31) are made of rubber, both of the limiting components (31) have slots inside, and both slots are adapted to the diameter of the hemodialysis tube. The two limiting components (31) are rotatably connected to the upper end of the corresponding adjusting rod (42).