What is medical non-woven fabric?
What is medical non-woven fabric? Medical non-woven materials, with the continuous renewal and rapid development of packaging materials for sterilized items, medical non-woven fabrics as packaging materials for sterilized items have continuously entered the disinfection supply centers of various types of hospitals at all levels.
1Medical non-woven fabrics are different from ordinary non-woven fabrics and composite non-woven fabrics. Ordinary non-woven fabrics do not have antibacterial properties; composite non-woven fabrics have good waterproof effect and poor air permeability, and are generally used in surgical gowns and surgical sheets; medical non-woven fabrics are made of spunbond, meltblown, and spunbond (SMS) processes. It is made by pressing and has the characteristics of antibacterial, hydrophobic, breathable, and no lint. It is used for sterilized article packaging, one-time use, and no cleaning is required.
2 Quality standard requirements for medical non-woven fabrics: Medical non-woven fabrics used for sterilized medical device packaging materials should meet the requirements of GB/T19633 and YY/T0698.2 at the same time.
3 Non-woven fabrics are valid for use: the validity period of medical non-woven fabrics is generally 2 to 3 years, and the validity period of products from different manufacturers is slightly different, please refer to the application instructions. Sterile articles packaged with medical non-woven fabrics should be valid for 180 days and will not be affected by sterilization methods.
4 It is advisable to add or subtract 5 grams of 50g/m2 for non-woven fabrics used for sterilization items packaging.
5 When packaging surgical instruments with medical non-woven fabrics, the closed packaging method should be used, and two layers of non-woven fabrics should be packaged in two times. Repeated folding can form a long tortuous path to prevent microorganisms from being 'simple'. Into the sterilization bag, it is not possible to pack 2 layers of non-woven fabrics once.
6 Medical non-woven fabrics are sterilized by high temperature, and their internal results will change, which will affect the penetration and antibacterial functions of the sterilization medium. Therefore, medical non-woven fabrics should not be used for repeated sterilization.
7 Due to the hydrophobic function of non-woven fabrics, excessive and heavy metal instruments are sterilized by high temperature, and condensed water is formed during the cooling process, and wet wrapping occurs easily. Therefore, pad water-absorbing material in the large instrument bag, properly reduce the loading capacity of the sterilizer, leave a gap between the sterilization bags, properly extend the drying time, and try to avoid the occurrence of wet bags.
8 'Tyvek' non-woven fabrics should be selected for low-temperature plasma of hydrogen peroxide, and medical non-woven fabrics containing plant fibers cannot be used, because plant fibers will absorb hydrogen peroxide.
9Although medical non-woven fabrics are not medical devices, they are related to the sterilization quality of medical devices. The quality of medical non-woven fabrics as packaging materials and packaging methods are crucial to ensuring sterility. .
10 Refer to the inspection report and product batch test report provided by the manufacturer that meet the requirements, and check the physical and chemical properties of the medical non-woven fabric to ensure the quality of the used products.
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