Hemodialysis catheter pasting and fixing device
By using a hemodialysis catheter adhesive fixing device using a flexible wrapping cloth and sponge colloid dressing, the problem of long and complicated operation of catheter fixation in the prior art is solved, and the rapid fixation and stable and reliable use effect of catheter are achieved.
Patent Information
- Application Number
- CN202421642829.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-11
AI Technical Summary
The existing hemodialysis catheter fixation method is time-consuming and cumbersome, and the patient easily contacts the catheter through gauze after sweating, which is inconvenient to use.
The hemodialysis catheter adhesive fixing device is adopted, which includes a flexible wrapping cloth and a sponge colloid dressing. The flexible wrapping cloth is composed of a waterproof layer and a water-absorbing layer. The sponge colloid dressing is equipped with double-sided adhesive, and the catheter is fixed by lamination and folding and bonding.
It realizes rapid and simple fixation of the catheter, and the water-absorbing layer absorbs the patient's skin sweat, has a stable and reliable structure and is convenient to operate.
Smart Images
Figure CN222899962U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, and particularly relates to a paste fixing device for a hemodialysis catheter. Background Art
[0002] After the existing catheter for hemodialysis is disconnected from the patient, the catheter is first sealed and then a sterile cap is screwed on. Then clinically, the catheter is wrapped with sterile gauze and fixed by winding with tape. Usually, two pieces of gauze are used for wrapping and fixing. After the catheter is fixed with the gauze, it is pasted on the patient's skin with hypoallergenic tape. This method takes a long time for the wrapping process, is cumbersome to operate, and it is easy for the patient to contact the catheter through the gauze after sweating, which is inconvenient to use. Content of the Utility Model
[0003] The utility model provides a paste fixing device for a hemodialysis catheter to solve one or several of the technical problems existing in the prior art.
[0004] The technical solution of the utility model for solving the above technical problems is as follows: A paste fixing device for a hemodialysis catheter includes a flexible wrapping cloth and a sponge colloidal dressing. The flexible wrapping cloth includes a waterproof layer and a water-absorbing layer which are fixedly laminated together. The sponge colloidal dressing is fixed at the middle position of the water-absorbing layer, and a double-sided adhesive is provided on the sponge colloidal dressing; the flexible wrapping cloth has a first long side and a second long side which are arranged oppositely and a first short side and a second short side which are arranged oppositely;
[0005] The flexible wrapping cloth is divided into a first pasting area, a dressing setting area and a second pasting area along its width direction. The first pasting area, the dressing setting area and the second pasting area are all arranged in a long strip shape along the length direction of the flexible wrapping cloth; the sponge colloidal dressing is fixed at the middle position of the dressing setting area on the side where the water-absorbing layer is located;
[0006] A first pasting layer and a second pasting layer are provided on one side surface of the water-absorbing layer. The first pasting layer is arranged in the first pasting area and is close to the first short side, and a first blank area is reserved between the first pasting layer and the second short side; the second pasting layer is arranged in the second pasting area and is close to the second short side, and a second blank area is reserved between the second pasting layer and the first short side;
[0007] A third pasting layer is provided on one side surface of the waterproof layer. The third pasting layer is arranged in the second pasting area and is close to the first short side, and a third blank area is reserved between the third pasting layer and the second short side;
[0008] The flexible wrapping cloth can fold the second short side towards the side where the waterproof layer is located, so that the second adhesive layer and the third adhesive layer are butted. Then, the first adhesive layer is also folded towards the side where the waterproof layer is located and covered at the dressing setting area. Then, the butted second adhesive layer and third adhesive layer are folded and bonded to the first adhesive layer.
[0009] The beneficial effects of the present utility model are as follows: For the blood dialysis catheter sticking and fixing device of the present utility model, by providing a flexible wrapping cloth with a waterproof layer and a water-absorbing layer, the catheter for blood dialysis can be wrapped on the side where the waterproof layer is located. Then, it is adhesively fixed through the first adhesive layer, the second adhesive layer and the third adhesive layer, and is adhered to the patient's skin through the double-sided adhesive on the sponge colloid dressing, which is convenient for operation. Moreover, the water-absorbing layer can absorb the sweat on the patient's skin, and the structure is stable and reliable.
[0010] On the basis of the above technical solution, the present utility model can be further improved as follows.
[0011] Further, the shape of the first blank area is the same as the shape of the second adhesive layer.
[0012] Further, the shape after the second adhesive layer and the third adhesive layer are butted is the same as the shape of the first adhesive layer.
[0013] The beneficial effect of adopting the above further solution is that the first adhesive layer can be completely adhesively fixed to the second adhesive layer and the third adhesive layer, avoiding the exposure of the adhesive layer and ensuring firm adhesion.
[0014] Further, the flexible wrapping cloth is of a rectangular structure.
[0015] The beneficial effect of adopting the above further solution is that it is convenient for folding and bonding.
[0016] Further, the first adhesive area, the second adhesive area and the third adhesive area are all of a rectangular structure, and the first blank area and the second blank area are all of a rectangular structure.
[0017] Further, the flexible wrapping cloth is of an isosceles trapezoid structure. The first long side and the second long side are respectively the two waists of the isosceles trapezoid structure. The first short side is the upper base of the isosceles trapezoid structure, and the second short side is the lower base of the isosceles trapezoid structure.
[0018] The beneficial effect of adopting the above further solution is that by using the flexible wrapping cloth of the isosceles trapezoid structure, the first short side can form a closed structure after wrapping, avoiding the catheter from slipping out of the wrapping structure.
[0019] Further, the first adhesive area, the second adhesive area and the third adhesive area are all of a parallelogram structure, and the first blank area and the second blank area are all of a parallelogram structure.
[0020] Furthermore, the dressing setting area is in an isosceles trapezoid structure.
[0021] Furthermore, the water-absorbing layer is a non-woven fabric layer; at both ends of the length direction of the first short side, a closing adhesive tape is provided respectively.
[0022] Furthermore, the sponge colloid dressing is in a rectangular structure, the long side of the sponge colloid dressing is arranged opposite to the long side of the flexible wrapping cloth, the two short sides of the sponge colloid dressing respectively correspond to the two short sides of the first pasting area, and a double-sided adhesive is provided at a position near the two long sides of the sponge colloid dressing respectively.
[0023] The beneficial effect of adopting the above further scheme is that by providing two double-sided adhesives, the bonding is more stable and reliable. Description of the Drawings
[0024] Figure 1 It is a front view structural schematic diagram of the surface where the water-absorbing layer is located in an embodiment of the blood dialysis catheter pasting and fixing device of the present utility model;
[0025] Figure 2 For Figure 1 It is a structural schematic diagram of the surface where the waterproof layer is located corresponding to the positions of each area in
[0026] Figure 3 It is a front view structural schematic diagram of the surface where the water-absorbing layer is located in another embodiment of the blood dialysis catheter pasting and fixing device of the present utility model;
[0027] Figure 4 For Figure 3 It is a structural schematic diagram of the surface where the waterproof layer is located corresponding to the positions of each area in
[0028] Figure 5 It is a layered structural schematic diagram of the blood dialysis catheter pasting and fixing device of the present utility model.
[0029] In the drawings, the list of components represented by each reference numeral is as follows:
[0030] 1. Sponge colloid dressing; 2. Waterproof layer; 3. Water-absorbing layer; 4. Double-sided adhesive; 5. First short side; 6. Second short side; 7. First long side; 8. Second long side; 9. First pasting layer; 10. Second pasting layer; 11. Third pasting layer; 12. First blank area; 13. Second blank area; 14. Third blank area; 15. Crease groove; 16. Dressing setting area; 17. Closing adhesive tape. Detailed Embodiments
[0031] The principles and features of the present utility model will be described below with reference to the drawings. The examples given are only for explaining the present utility model and are not intended to limit the scope of the present utility model.
[0032] As shown Figures 1 to 5 in the figure, a blood dialysis catheter sticking and fixing device according to this embodiment includes a flexible wrapping cloth and a sponge colloid dressing 1. The flexible wrapping cloth includes a waterproof layer 2 and a water-absorbing layer 3 that are stacked and fixed together. The sponge colloid dressing 1 is fixed at the middle position of the water-absorbing layer 3, and a double-sided tape 4 is provided on the sponge colloid dressing 1. The flexible wrapping cloth has a first long side 7 and a second long side 8 that are oppositely arranged, and a first short side 5 and a second short side 6 that are oppositely arranged.
[0033] The flexible wrapping cloth is divided into a first sticking area, a dressing setting area 16, and a second sticking area along its width direction. The first sticking area, the dressing setting area 16, and the second sticking area are all arranged in a strip shape along the length direction of the flexible wrapping cloth. The sponge colloid dressing 1 is fixed at the middle position of the dressing setting area 16 on the side where the water-absorbing layer 3 is located.
[0034] A first sticking layer 9 and a second sticking layer 10 are provided on one side surface of the water-absorbing layer 3. The first sticking layer 9 is arranged in the first sticking area and is close to the first short side 5. A first blank area 12 is reserved between the first sticking layer 9 and the second short side 6. The second sticking layer 10 is arranged in the second sticking area and is close to the second short side 6. A second blank area 13 is reserved between the second sticking layer 10 and the first short side 5.
[0035] A third sticking layer 11 is provided on one side surface of the waterproof layer 2. The third sticking layer 11 is arranged in the second sticking area and is close to the first short side 5. A third blank area 14 is reserved between the third sticking layer 11 and the second short side 6.
[0036] The flexible wrapping cloth can fold the second short side 6 towards the side where the waterproof layer 2 is located to make the second sticking layer 10 and the third sticking layer 11 dock. Then, the first sticking layer 9 is also folded towards the side where the waterproof layer 2 is located and covered at the dressing setting area 16. Then, the docked second sticking layer 10 and third sticking layer 11 are folded and bonded to the first sticking layer 9. The size of the dressing setting area 16 where the sponge colloid dressing 1 is located after the entire flexible wrapping cloth is wrapped, that is, Figure 1 and Figure 3 the size of the dressing setting area 16 below the first sticking layer 9 in
[0037] Among them, the first sticking layer 9 can be set as the hook surface of a magic tape, and the second sticking layer 10 and the third sticking layer 11 can be set as the loop surface of a magic tape.
[0038] As Figures 1 to 4As shown, the shape of the first blank area 12 in this embodiment is the same as the shape of the second adhesive layer 10.
[0039] As Figures 1 to 4 shown, the shape after docking of the second adhesive layer 10 and the third adhesive layer 11 in this embodiment is the same as the shape of the first adhesive layer 9. The first adhesive layer can be completely pasted and fixed to the second adhesive layer and the third adhesive layer, avoiding the exposure of the adhesive layer and ensuring firm adhesion.
[0040] As Figure 1 and Figure 2 shown, an alternative in this embodiment is that the flexible wrapping cloth is a rectangular structure. This is convenient for folding and bonding.
[0041] As Figure 1 and Figure 2 shown, an alternative in this embodiment is that the first adhesive area, the second adhesive area, and the third adhesive area are all rectangular structures, and the first blank area 12 and the second blank area 13 are both rectangular structures.
[0042] Among them, Figure 2 is equivalent to Figure 1 a schematic diagram of the structure arranged on one side of the waterproof layer 2 after perspective.
[0043] As Figure 3 and Figure 4 shown, another alternative in this embodiment is that the flexible wrapping cloth is an isosceles trapezoid structure, the first long side 7 and the second long side 8 are respectively the two waists of the isosceles trapezoid structure, the first short side 5 is the upper base of the isosceles trapezoid structure, and the second short side 6 is the lower base of the isosceles trapezoid structure. Using a flexible wrapping cloth with an isosceles trapezoid structure can form a closing structure at the first short side after wrapping, avoiding the catheter from slipping out of the wrapping structure.
[0044] Further, as Figure 3 and Figure 4 shown, the first adhesive area, the second adhesive area, and the third adhesive area are all parallelogram structures, and the first blank area 12 and the second blank area 13 are both parallelogram structures.
[0045] As Figure 3 and Figure 4 shown, the dressing setting area 16 is an isosceles trapezoid structure.
[0046] Among them, Figure 4 is equivalent to Figure 3 a schematic diagram of the structure arranged on one side of the waterproof layer 2 after perspective.
[0047] In a specific solution of this embodiment, the water-absorbing layer 3 is a non-woven fabric layer, and the waterproof layer 2 can be made of plastics or the like. At each end of the first short side length direction, there is a closing adhesive tape 17. One of the two closing adhesive tapes 17 is the fuzzy surface of a magic tape, and the other is the sticky surface of a magic tape. After the flexible wrapping cloth wraps the catheter, the two closing adhesive tapes 17 can be pasted together to further tighten one end wrapping opening of the flexible wrapping cloth.
[0048] As Figure 1 and Figure 3 shown, the sponge colloid dressing 1 of this embodiment is a rectangular structure. The long side of the sponge colloid dressing 1 is arranged opposite to the long side of the flexible wrapping cloth. The two short sides of the sponge colloid dressing correspond to the two short sides of the first pasting area respectively. At positions near the two long sides of the sponge colloid dressing 1, there is a double-sided adhesive tape 4 each. By setting two double-sided adhesive tapes, the bonding is more stable and reliable.
[0049] As Figures 1 to 4 shown, there is a crease groove 15 between the first pasting area and the dressing setting area 16 of this embodiment, and there is a crease groove 15 between the dressing setting area 16 and the second pasting area. Then, there is also a crease groove 15 extending in the same direction between the first blank area 12 and the first pasting layer, between the second pasting layer 10 and the second blank area 13, and between the area between the first blank area 12 and the second pasting layer 10 and the remaining part of the dressing setting area 16. The crease groove 15 can be a strip-shaped groove arranged on the side where the waterproof layer 2 is located, or a strip-shaped groove arranged on both sides of the waterproof layer 2 and the water-absorbing layer 3.
[0050] The thickness of the flexible wrapping cloth of this embodiment can be set as needed, generally not exceeding 2 mm, preferably about 0.5 mm or 1 mm.
[0051] The blood dialysis catheter pasting and fixing device of this embodiment, by setting a flexible wrapping cloth with a waterproof layer and a water-absorbing layer, can wrap the blood dialysis catheter with the side where the waterproof layer is located, and then bond and fix it through the first pasting layer, the second pasting layer and the third pasting layer, and then paste it on the patient's skin through the double-sided adhesive tape on the sponge colloid dressing, which is convenient for operation, and the water-absorbing layer can also absorb the sweat on the patient's skin, and the structure is stable and reliable.
[0052] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present utility model.
[0053] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.
[0054] In the present utility model, unless otherwise clearly specified and defined, the terms "mounted", "connected", "connected to", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0055] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "below" and "beneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.
[0056] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.
[0057] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limitations on the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.
Claims
1. A hemodialysis catheter adhesive fixing device, characterized in that: The invention comprises a flexible wrapping cloth and a sponge colloid dressing, wherein the flexible wrapping cloth comprises a waterproof layer and a water-absorbing layer which are stacked and fixed together, the sponge colloid dressing is fixed at the middle position of the water-absorbing layer, and a double-sided adhesive tape is arranged on the sponge colloid dressing; the flexible wrapping cloth has a first long side and a second long side which are arranged oppositely, and a first short side and a second short side which are arranged oppositely; The flexible wrapping cloth is divided into a first pasting area, a dressing setting area, and a second pasting area along its width direction. The first pasting area, the dressing setting area, and the second pasting area are all arranged in a long strip shape along the length direction of the flexible wrapping cloth; the sponge colloid dressing is fixed at the middle position of the dressing setting area on the side where the water absorption layer is located; A first adhesive layer and a second adhesive layer are provided on one side of the water-absorbing layer, the first adhesive layer is provided in the first adhesive region and is arranged close to the first short side, and a first blank region is reserved between the first adhesive layer and the second short side; the second adhesive layer is provided in the second adhesive region and is arranged close to the second short side, and a second blank region is reserved between the second adhesive layer and the first short side; A third adhesive layer is provided on one side of the waterproof layer, the third adhesive layer is arranged in the second adhesive area and close to the first short side, and a third blank area is reserved between the third adhesive layer and the second short side; The flexible wrapping cloth can fold the second short side toward the side where the waterproof layer is located, so that the second adhesive layer and the third adhesive layer are butted together, and then the first adhesive layer is also folded toward the side where the waterproof layer is located and covers the dressing setting area, and then the butted second adhesive layer and the third adhesive layer are folded and bonded to the first adhesive layer.
2. A hemodialysis catheter sticking and fixing device according to claim 1, characterized in that: The shape of the first blank area is the same as that of the second adhesive layer.
3. The hemodialysis catheter sticking and fixing device according to claim 1, characterized in that: The shape of the second adhesive layer and the third adhesive layer after being butted against each other is the same as that of the first adhesive layer.
4. The hemodialysis catheter sticking and fixing device according to claim 1, characterized in that: The flexible wrapping cloth is a rectangular structure.
5. A hemodialysis catheter sticking and fixing device according to claim 4, characterized in that: The first pasting area, the second pasting area and the third pasting area are all rectangular structures, and the first blank area and the second blank area are both rectangular structures.
6. The hemodialysis catheter sticking and fixing device according to claim 1, characterized in that: The flexible wrapping cloth is an isosceles trapezoidal structure, the first long side and the second long side are respectively two waists of the isosceles trapezoidal structure, the first short side is the upper base of the isosceles trapezoidal structure, and the second short side is the lower base of the isosceles trapezoidal structure.
7. A hemodialysis catheter sticking and fixing device according to claim 6, characterized in that: The first pasting area, the second pasting area and the third pasting area are all parallelogram structures, and the first blank area and the second blank area are all parallelogram structures.
8. The hemodialysis catheter sticking and fixing device according to claim 6, characterized in that: The dressing setting area is an isosceles trapezoidal structure.
9. The hemodialysis catheter sticking and fixing device according to claim 1, characterized in that: The water-absorbing layer is a non-woven fabric layer; and a closing adhesive tape is respectively provided at both ends of the first short side in the length direction.
10. The hemodialysis catheter sticking and fixing device according to claim 1, characterized in that: The sponge colloid dressing is a rectangular structure, the long side of the sponge colloid dressing is arranged opposite to the long side of the flexible wrapping cloth, the two short sides of the sponge colloid dressing respectively correspond to the two short sides of the first adhesive area, and a double-sided tape is provided near the two long sides of the sponge colloid dressing.