TWM610306U - Breathing circuit filter medium - Google Patents

Abstract

This creation is related to a breathing tube filter material with antibacterial, hydrophobic and high filtration efficiency of bacteria and viruses. It is characterized in that the breathing tube filter material includes a first hydrophobic layer and a second hydrophobic layer. A high-efficiency filter layer is arranged between the second hydrophobic layer. The high-efficiency filter layer is composed of micron fiber, nanofiber and nanofiber composite antibacterial agent, which has antibacterial, high hydrophobicity and high antibacterial properties under 100% humidity. The high filtration efficiency of bacteria and viruses can prevent the adhesion of water and reduce the breeding of bacteria and viruses. The first hydrophobic layer and the second hydrophobic layer are breathable thin layers of hydrophobic non-woven fabric, which can effectively support the high-efficiency filter layer and prevent the adhesion of moisture. The breathing tube filter material with this structure has antibacterial, high hydrophobicity and high filtration efficiency of bacteria and viruses, which can prevent the adhesion of water, effectively filter and remove bacteria and viruses, and reduce the growth of bacteria and viruses in the respiratory tube. The harm caused.

Description

Breathing tube filter material

A breathing tube filter material with antibacterial, hydrophobic and high filtration efficiency of bacteria and viruses, especially one that can effectively prevent the attachment of water, has high filtration efficiency and removal of bacteria and viruses in the breathing tube, and reduces bacteria and viruses in Hazards caused by spontaneous growth in the breathing circuit.

Tracheal intubation and tracheotomy are one of the commonly used first aid methods to rescue critically ill patients, which can improve the dyspnea caused by critically ill patients, reduce the patient's hypoxic state, improve air supply function and effectively clear airway secretions. Patients with tracheal intubation and tracheotomy usually require continuous oxygen and airway humidification.

Generally placed near the patient end of the breathing tube to provide heat preservation and moisturizing effect, is to use damp heat exchange absorbent paper containing paper rolls or foam; placed in the breathing tube near the end of the respirator, use a breathing tube that filters bacteria and viruses Road filter materials, mainly to remove secretions from the respiratory tract and filter bacteria and viruses.

However, currently the breathing tube filter material mainly uses HEPA glass fiber filter material and HEPA electrostatic cotton.

The HEPA glass fiber filter material has high filtration efficiency for bacteria and viruses, but the relative filtration resistance is large, and the intercepted bacteria and viruses will breed on the glass fiber filter material. Cause care difficulties and increase the chance of infection.

HEPA electrostatic cotton is a kind of charged meltblown microfiber filter material. It has high filtration efficiency for bacteria and viruses in the early stage when used in the environment of high humidity breathing circuit. However, as the use time increases, static electricity will gradually be affected by humidity. Decay, the filtration efficiency of bacteria and viruses will become poor, and bacteria and viruses cannot be effectively filtered.

Therefore, the industry needs a filter material that has an increased antibacterial and moisture-proof capability without affecting the filtration efficiency.

In view of this, the purpose of this creation is to provide a breathing tube filter material with antibacterial, hydrophobic and high filtration efficiency of bacteria and viruses, which is characterized in that the breathing tube filter material includes a first hydrophobic layer and a second hydrophobic layer. A high-efficiency filter layer is arranged between the first hydrophobic layer and the second hydrophobic layer.

Among them, the high-efficiency filter layer is composed of micro-fibers, nano-fibers and nano-fiber composite antibacterial agents. In a 100% humidity environment, it has antibacterial, high hydrophobicity and high filtration efficiency for bacteria and viruses, and can prevent water Adhesion of parts to reduce the breeding of bacteria and viruses.

The micrometer fibers include a plurality of first micrometer fibers and a plurality of second micrometer fibers. The first micron fiber is a synthetic fiber or an inorganic fiber, and its average fiber diameter ranges from 1 to 20 μm. The synthetic fiber is polyacrylonitrile fiber, PP fiber, PET fiber or nylon fiber, or a mixture of any of them. The inorganic fiber is glass fiber or ceramic fiber.

The second micron fiber is a hot-melt composite fiber, and its average fiber diameter ranges from 5 to 30 μm, and its melting point is from 100 to 150°C. The hot-melt composite fiber is a PE/PP composite fiber or a low-melting PET composite fiber.

The nanofibers are ultra-fine glass fibers, and the average fiber diameter of the ultra-fine glass fibers ranges from 200 to 1000 nm.

The nanofiber composite antibacterial agent includes nanocellulose and an antibacterial agent composition, and the antibacterial agent composition is compounded on the surface of the nanocellulose to form a nanofiber composite structure.

The antibacterial agent composition includes quaternary ammonium salt, chitosan derivative, nanosilver and nanozinc oxide, and can also be a mixture of any of them.

The first hydrophobic layer and the second hydrophobic layer are breathable thin layers of hydrophobic non-woven fabric, which can effectively support the high-efficiency filter layer and prevent the adhesion of moisture. The hydrophobic non-woven fabric is a PP spunbonded non-woven fabric.

The breathing tube filter material with this structure has antibacterial, high hydrophobicity and high filtration efficiency of bacteria and viruses, which can prevent the adhesion of water, effectively filter and remove bacteria and viruses, and reduce the growth of bacteria and viruses in the respiratory tube. The harm caused.

In order to enable your reviewer to have a further understanding and understanding of the purpose, structure, technical means, and effects of this creation, the examples and diagrams are described in detail as follows:

10: Breathing tube filter material

20: The first hydrophobic layer

30: High efficiency filter layer

40: second hydrophobic layer

311: The first micron fiber

312: Second micron fiber

320: Nanofiber

330: Nanofiber composite antibacterial agent

Figure 1 is a schematic diagram of the structure of a breathing tube filter material with antibacterial, hydrophobic and high filtration efficiency of bacteria and viruses according to a preferred embodiment of the creation.

Figure 2 is a schematic diagram of the structure of the high-efficiency filter layer of the preferred embodiment of the creation

Regarding the structural composition, technical methods and effects of this creation, I would like to further explain in detail with the diagrams: First, please refer to the first picture with antibacterial, hydrophobic and high bacteria and viruses. The schematic diagram of the structure of the filtering material (10) of the breathing tube with filtration efficiency, and the schematic diagram of the structure of the high-efficiency filter layer (30) in Figure 2 is a preferred embodiment of this creation.

As shown in Figure 1 and Figure 2, a breathing tube filter material (10) with antibacterial, hydrophobic and high filtration efficiency of bacteria and viruses of the present invention is characterized in that the breathing tube filter material (10) contains the first hydrophobic filter material (10). The layer (20) and the second hydrophobic layer (40) are provided with a high-efficiency filter layer (30) between the first hydrophobic layer (20) and the second hydrophobic layer (40).

Among them, the high-efficiency filter layer (30) is composed of micron fiber, nanofiber (320) and nanofiber composite antibacterial agent (330), which has antibacterial, high hydrophobicity and high bacteria in a 100% humidity environment , Virus filtration efficiency, can prevent the adhesion of water, reduce the breeding of bacteria and viruses.

The micrometer fibers include a plurality of first micrometer fibers (311) and a plurality of second micrometer fibers (312).

The first micron fiber (311) is a synthetic fiber or an inorganic fiber, and its average fiber diameter ranges from 1 to 20 μm. The synthetic fiber is polyacrylonitrile fiber, PP fiber, PET fiber or nylon fiber, or a mixture of any of them. The inorganic fiber is glass fiber or ceramic fiber.

The second micron fiber (312) is a hot-melt composite fiber, and its average fiber diameter ranges from 5 to 30 μm, and its melting point is from 100 to 150°C. The hot-melt composite fiber is a PE/PP composite fiber or a low-melting PET composite fiber.

The nanofibers (320) are ultra-fine glass fibers, and the average fiber diameter of the ultra-fine glass fibers ranges from 200 to 1000 nm.

The nanofiber composite antibacterial agent (330), including nanocellulose and antibacterial agent group The antibacterial agent composition is compounded on the surface of nanocellulose to form a nanofiber composite structure. The antibacterial agent composition includes quaternary ammonium salt, chitosan derivative, nanosilver and nanozinc oxide, and can also be a mixture of any of them.

The first hydrophobic layer (20) and the second hydrophobic layer (40) are air-permeable thin layers of hydrophobic non-woven fabric, which can effectively support the high-efficiency filter layer (30) and prevent the adhesion of moisture. The hydrophobic non-woven fabric is a PP spunbonded non-woven fabric.

The breathing tube filter material (10) with this structure has antibacterial, high hydrophobicity and high filtration efficiency of bacteria and viruses. It can prevent the adhesion of water, effectively filter and remove bacteria and viruses, and reduce bacteria and viruses in the breathing tube. The hazards of the middle school. The above detailed description will enable those who are familiar with this art to understand that this creation can indeed achieve the aforementioned purpose, and that it has actually complied with the provisions of the Patent Law, and can file a patent application in accordance with the Patent Law.

However, the above are only the preferred embodiments of this creation, and should not be used to limit the scope of implementation of this creation; therefore, several simple equivalent changes and changes made in accordance with the scope of the patent application for this creation and the content of the creation specification Modifications should still fall within the scope of this creation patent.

10: Breathing tube filter material

20: The first hydrophobic layer

30: High efficiency filter layer

40: second hydrophobic layer

Claims (7)

A breathing tube filter material, comprising a first hydrophobic layer and a second hydrophobic layer. A high-efficiency filter layer is arranged between the first hydrophobic layer and the second hydrophobic layer. The high-efficiency filter layer is composed of micron fibers and nanofibers. And nanofiber composite antibacterial agent. As for the breathing tube filter material described in item 1 of the scope of patent application, the nanofiber is ultrafine glass fiber, and the average fiber diameter of the ultrafine glass fiber is in the range of 200~1000nm. The breathing tube filter material described in the first item of the scope of patent application, wherein the micron fiber includes a plurality of first micron fibers and a plurality of second micron fibers. For the breathing tube filter material described in item 3 of the scope of patent application, the first micron fiber is a synthetic fiber or an inorganic fiber with an average fiber diameter ranging from 1 to 20 μm. The synthetic fiber is a polyacrylonitrile fiber, PP fiber, PET fiber or nylon fiber, the inorganic fiber is glass fiber or ceramic fiber. For the breathing tube filter material described in item 3 of the scope of patent application, the second micron fiber is a hot-melt composite fiber with an average fiber diameter ranging from 5 to 30 μm and a melting point of 100 to 150°C. The composite fiber is a PE/PP composite fiber or a low-melting PET composite fiber. The breathing tube filter material described in item 1 of the scope of patent application, wherein the nanofiber composite antibacterial agent comprises nanocellulose and an antibacterial agent composition, and the antibacterial agent composition is compounded on the surface of the nanocellulose to form Nano fiber composite structure. The breathing tube filter material according to item 6 of the scope of patent application, wherein the antibacterial agent composition includes quaternary ammonium salt, chitosan derivative, nanosilver and nanozinc oxide, or a mixture of any of them .

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