Peritoneal dialysis fluid bag
By designing the heating bag and insulation layer in the peritoneal dialysate bag, the synergistic effect of activator and specific materials is solved, and the problem of the peritoneal dialysate bag is difficult to maintain the constant temperature of the dialysate, achieving better insulation performance and dialysis effect.
Patent Information
- Application Number
- CN202410490285.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2044-04-23
AI Technical Summary
It is difficult for existing peritoneal dialysate bags to maintain the constant temperature of the dialysate during long-term use, resulting in temperature difference and affecting the dialysis effect.
A peritoneal dialysate bag is designed, including a liquid storage bag, a heating bag, a breathable layer and an isolation film. The internal filler is filled with activator to heat the dialysate through oxidation and exothermic heat, and the insulation performance is improved through the insulation layer composed of porous sepiolite, polysiloxane and polyethylene glycol oleate.
Effectively maintain the temperature of the dialysate, reduce temperature difference, improve the insulation performance of the peritoneal dialysate bag, and ensure the stability and effect of the dialysis process.
Smart Images

Figure CN118178212B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of dialysis, in particular to a peritoneal dialysis fluid bag. Background Art
[0002] The principle of peritoneal dialysis is to use the human abdominal cavity as an exchange space, and dialysis is achieved by injecting dialysate into the abdominal cavity and discharging waste fluid. Currently, the commonly used peritoneal dialysis devices are mainly composed of a peritoneal dialysis fluid bag, a waste fluid bag and a connecting tube. When performing peritoneal dialysis, the fluid in the peritoneal dialysis fluid bag needs to be heated. However, peritoneal dialysis takes a long time, so how to improve the thermal insulation performance of the peritoneal dialysis fluid bag is a technical problem that urgently needs to be solved in this field. Summary of the invention
[0003] Based on the technical problems existing in the background technology, the present invention proposes a peritoneal dialysis fluid bag with good thermal insulation performance.
[0004] The peritoneal dialysis fluid bag proposed in the present invention comprises a fluid storage bag, wherein a heating bag is arranged on at least one side of the fluid storage bag, a breathable layer is arranged on the side of the heating bag away from the fluid storage bag, an isolation film is detachably arranged on the outer side of the breathable layer, and the isolation film completely covers the breathable layer; the heating bag is filled with an activator, and the dialysate in the fluid storage bag is heated by heat release caused by oxidation of the activator in contact with air, and the heat generated by the activator heats the dialysate by 20° to 35-40°.
[0005] Preferably, the liquid storage bag comprises an inner protective layer, a thermal insulation layer and an outer protective layer which are arranged in sequence from the inside to the outside, and the thermal insulation layer comprises the following raw materials in parts by weight: 50-100 parts of polypropylene, 30-60 parts of hydrogenated styrene-butadiene block copolymer, 1-10 parts of porous sepiolite, 1-10 parts of polysiloxane, 1-7 parts of polyethylene glycol oleate, 1-5 parts of antibacterial agent, 1-5 parts of antioxidant, 5-15 parts of plasticizer, and 1-3 parts of thermal stabilizer.
[0006] Preferably, the antibacterial agent is one or more of nanosilver, chitin, isothiazolinone and 4,5-dichloro-N-octyl-4-isothiazoline-3-one.
[0007] Preferably, the antioxidant is one or more of tris(nonylphenyl)phosphite, dioctylphenyl phosphite, antioxidant 1010 and antioxidant 1076.
[0008] Preferably, the plasticizer is one or more of diisononyl cyclohexane-1,2-dicarboxylate, tricresyl phosphate, trioctyl trimellitate and dioctyl terephthalate.
[0009] Preferably, the heat stabilizer is a liquid calcium zinc stabilizer.
[0010] Preferably, the inner protective layer and the outer protective layer are both silicone rubber coating films.
[0011] Preferably, the silicone rubber coating film comprises the following raw materials in parts by weight: 100 parts of vinyl siloxane, 0.5-1.2 parts of methyl hydrogen silicone oil, 0.01-0.08 parts of vinyl siloxane complex, and 0.01-0.08 parts of 1-alkynyl cycloethanol.
[0012] Beneficial technical effects of the present invention:
[0013] The peritoneal dialysis fluid bag of the present invention comprises an inner protective layer, a thermal insulation layer and an outer protective layer, wherein the provision of the thermal insulation layer can improve the thermal insulation performance of the peritoneal dialysis fluid bag, maintain the temperature of the peritoneal dialysis fluid during dialysis, and avoid the formation of a large temperature difference, the provision of the outer protective layer and the inner protective layer can protect the thermal insulation layer, and the outer protective layer and the inner protective layer are silicone rubber coating films, which can play a good anti-adhesion role; the thermal insulation layer of the present invention comprises porous sepiolite, polysiloxane and polyethylene glycol oleate, which have a certain synergistic effect in improving the thermal insulation performance of the peritoneal dialysis fluid bag, thereby making the peritoneal dialysis fluid bag have good thermal insulation performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the structure of the peritoneal dialysis fluid bag proposed by the present invention;
[0015] Figure 2 This is a schematic diagram of the structure of the liquid storage bag proposed by the present invention.
[0016] In the figure: 1-liquid storage bag, 11-outer protective layer, 12-insulating layer, 13-inner protective layer, 2-heating bag, 21-breathable layer, 3-isolating film. DETAILED DESCRIPTION
[0017] The present invention will be further explained below in conjunction with specific embodiments.
[0018] The peritoneal dialysis fluid bag proposed by the present invention comprises a fluid storage bag 1, wherein a heating bag 2 is provided on at least one side of the fluid storage bag 1, and a gas permeable layer 21 is provided on the side of the heating bag 2 away from the fluid storage bag 1, and a separation film 3 is detachably provided on the outer side of the gas permeable layer 21, and the separation film 3 completely covers the gas permeable layer 21; the heating bag 2 is filled with an activator, and the dialysate in the fluid storage bag 1 is heated by oxidation heat release during contact between the activator and air, and the heat generated by the activator heats the dialysate by 20° to 35-40°. For the activator, a metal material that generates oxidation heat release when in contact with oxygen, such as iron and other materials, can be used.
[0019] Example 1
[0020] The peritoneal dialysis fluid bag proposed by the present invention comprises an inner protective layer, a thermal insulation layer and an outer protective layer which are sequentially arranged from the inside to the outside, and the thermal insulation layer comprises the following raw materials in parts by weight: 800 g of polypropylene, 400 g of hydrogenated styrene-butadiene block copolymer, 50 g of porous sepiolite, 50 g of polysiloxane, 40 g of polyethylene glycol oleate, 30 g of nanosilver, 101030 g of antioxidant, 100 g of diisononyl cyclohexane-1,2-dicarboxylate, and 20 g of liquid calcium zinc stabilizer.
[0021] The inner protective layer and the outer protective layer are both silicone rubber coating films; the silicone rubber coating film contains the following raw materials in parts by weight: 1000 g of vinyl siloxane, 8 g of methyl hydrogenated silicone oil, 0.4 g of vinyl siloxane complex, and 0.4 g of 1-alkynyl cycloethanol.
[0022] Example 2
[0023] The peritoneal dialysis fluid bag proposed by the present invention comprises an inner protective layer, a thermal insulation layer and an outer protective layer which are sequentially arranged from the inside to the outside, and the thermal insulation layer comprises the following raw materials in parts by weight: 500 g of polypropylene, 300 g of hydrogenated styrene-butadiene block copolymer, 10 g of porous sepiolite, 10 g of polysiloxane, 10 g of polyethylene glycol oleate, 10 g of 4,5-dichloro-N-octyl-4-isothiazoline-3-one, 10 g of diphenyloctyl phosphite, 50 g of tricresyl phosphate and 10 g of liquid calcium zinc stabilizer.
[0024] The inner protective layer and the outer protective layer are both silicone rubber coating films; the silicone rubber coating film contains the following raw materials in parts by weight: 1000 g of vinyl siloxane, 8 g of methyl hydrogenated silicone oil, 0.4 g of vinyl siloxane complex, and 0.4 g of 1-alkynyl cycloethanol.
[0025] Example 3
[0026] The peritoneal dialysis liquid bag proposed by the present invention comprises an inner protective layer, a heat-insulating layer and an outer protective layer which are sequentially arranged from the inside to the outside, and the heat-insulating layer comprises the following raw materials in parts by weight: 1000 g of polypropylene, 600 g of hydrogenated styrene-butadiene block copolymer, 100 g of porous sepiolite, 100 g of polysiloxane, 70 g of polyethylene glycol oleate, 30 g of chitin, 20 g of isothiazolinone, 50 g of tris(nonylphenyl) phosphite, 100 g of trioctyl trimellitate, 50 g of dioctyl terephthalate and 30 g of liquid calcium zinc stabilizer.
[0027] The inner protective layer and the outer protective layer are both silicone rubber coating films; the silicone rubber coating film contains the following raw materials in parts by weight: 1000 g of vinyl siloxane, 8 g of methyl hydrogenated silicone oil, 0.4 g of vinyl siloxane complex, and 0.4 g of 1-alkynyl cycloethanol.
[0028] Comparative Example 1
[0029] The peritoneal dialysis fluid bag proposed by the present invention comprises an inner protective layer, a thermal insulation layer and an outer protective layer which are sequentially arranged from the inside to the outside, and the thermal insulation layer comprises the following raw materials in parts by weight: 800 g of polypropylene, 400 g of hydrogenated styrene-butadiene block copolymer, 80 g of polysiloxane, 60 g of polyethylene glycol oleate, 30 g of nanosilver, 101030 g of antioxidant, 100 g of diisononyl cyclohexane-1,2-dicarboxylate, and 20 g of liquid calcium zinc stabilizer.
[0030] The inner protective layer and the outer protective layer are both silicone rubber coating films; the silicone rubber coating film contains the following raw materials in parts by weight: 1000 g of vinyl siloxane, 8 g of methyl hydrogenated silicone oil, 0.4 g of vinyl siloxane complex, and 0.4 g of 1-alkynyl cycloethanol.
[0031] Comparative Example 2
[0032] The peritoneal dialysis fluid bag proposed by the present invention comprises an inner protective layer, a thermal insulation layer and an outer protective layer which are sequentially arranged from the inside to the outside, and the thermal insulation layer comprises the following raw materials in parts by weight: 800 g of polypropylene, 400 g of hydrogenated styrene-butadiene block copolymer, 80 g of porous sepiolite, 60 g of polyethylene glycol oleate, 30 g of nano silver, 101030 g of antioxidant, 100 g of diisononyl cyclohexane-1,2-dicarboxylate, and 20 g of liquid calcium zinc stabilizer.
[0033] The inner protective layer and the outer protective layer are both silicone rubber coating films; the silicone rubber coating film contains the following raw materials in parts by weight: 1000 g of vinyl siloxane, 8 g of methyl hydrogenated silicone oil, 0.4 g of vinyl siloxane complex, and 0.4 g of 1-alkynyl cycloethanol.
[0034] Comparative Example 3
[0035] The peritoneal dialysis fluid bag proposed by the present invention comprises an inner protective layer, a thermal insulation layer and an outer protective layer which are sequentially arranged from the inside to the outside, and the thermal insulation layer comprises the following raw materials in parts by weight: 800 g of polypropylene, 400 g of hydrogenated styrene-butadiene block copolymer, 70 g of porous sepiolite, 70 g of polysiloxane, 30 g of nano silver, 101030 g of antioxidant, 100 g of diisononyl cyclohexane-1,2-dicarboxylate, and 20 g of liquid calcium zinc stabilizer.
[0036] The inner protective layer and the outer protective layer are both silicone rubber coating films; the silicone rubber coating film contains the following raw materials in parts by weight: 1000 g of vinyl siloxane, 8 g of methyl hydrogenated silicone oil, 0.4 g of vinyl siloxane complex, and 0.4 g of 1-alkynyl cycloethanol.
[0037] The thermal insulation performance of the peritoneal dialysis fluid bags prepared in Example 1 and Comparative Examples 1-3 was measured, and the results are shown in Table 1.
[0038] Table 1 Thermal insulation performance test
[0039]
[0040] According to the data in Table 1, it can be seen that the porous sepiolite, polysiloxane and polyethylene glycol oleate in the thermal insulation layer of the present application have a certain synergistic effect in improving the thermal insulation performance of the peritoneal dialysis fluid bag, thereby making the peritoneal dialysis fluid bag have good thermal insulation performance, and the thermal insulation performance of the peritoneal dialysis fluid bags of Comparative Examples 2 and 3 is better than that of Comparative Example 1. The reason for this phenomenon may be due to the porous structure of sepiolite, which can slow down the speed of heat transfer to the outside.
Claims
1. A peritoneal dialysis fluid bag, characterized in that: The invention comprises a liquid storage bag (1), wherein at least one side of the liquid storage bag (1) is provided with a heating bag (2), a side of the heating bag (2) away from the liquid storage bag (1) is provided with a breathable layer (21), an outer side of the breathable layer (21) is detachably provided with an isolation film (3), and the isolation film (3) completely covers the breathable layer (21); the heating bag (2) is filled with an activator, and the dialysate in the liquid storage bag (1) is heated by heat generated by oxidation of the activator and air, and the dialysate is heated by 20° to 35-40° by the heat generated by the activator; The liquid storage bag (1) comprises an inner protective layer (13), a heat-insulating layer (12) and an outer protective layer (11) which are arranged in sequence from the inside to the outside. The heat-insulating layer (12) comprises the following raw materials in parts by weight: 50-100 parts of polypropylene, 30-60 parts of hydrogenated styrene-butadiene block copolymer, 1-10 parts of porous sepiolite, 1-10 parts of polysiloxane, 1-7 parts of polyethylene glycol oleate, 1-5 parts of antibacterial agent, 1-5 parts of antioxidant, 5-15 parts of plasticizer and 1-3 parts of heat stabilizer.
2. The peritoneal dialysis fluid bag according to claim 1, characterized in that: The antibacterial agent is one or more of nano silver, chitin, isothiazolinone and 4,5-dichloro-N-octyl-4-isothiazoline-3-one.
3. The peritoneal dialysis fluid bag according to claim 1, characterized in that: The antioxidant is one or more of tris(nonylphenyl)phosphite, diphenyloctyl phosphite, antioxidant 1010 and antioxidant 1076.
4. The peritoneal dialysis fluid bag according to claim 1, characterized in that: The plasticizer is one or more of diisononyl cyclohexane-1,2-dicarboxylate, tricresyl phosphate, trioctyl trimellitate and dioctyl terephthalate.
5. The peritoneal dialysis fluid bag according to claim 1, characterized in that: The heat stabilizer is a liquid calcium zinc stabilizer.
6. The peritoneal dialysis fluid bag according to claim 1, characterized in that: The inner protective layer (13) and the outer protective layer (11) are both silicone rubber coating films.
7. The peritoneal dialysis fluid bag according to claim 6, characterized in that: The silicone rubber coating film comprises the following raw materials in parts by weight: 100 parts of vinyl siloxane, 0.5-1.2 parts of methyl hydrogen silicone oil, 0.01-0.08 parts of vinyl siloxane complex, and 0.01-0.08 parts of 1-alkynyl cycloethanol.
Citation Information
Patent Citations
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