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Ten points of attention about medical non-woven fabrics!

by:XINYU Non-woven     2022-03-09

With the continuous new and rapid development of packaging materials for sterilized items, medical non-woven fabrics have gradually entered the disinfection supply centers of various types of hospitals as the final packaging materials for sterilized items. How to control the quality of medical non-woven fabrics, you must pay attention to these ten aspects of medical non-woven fabrics.

1. Medical 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 surgery. Clothing and surgical bed cloth, etc.; medical non-woven fabrics are made of spunbond, meltblown, spunbond (SMS) processes, and have the characteristics of antibacterial, hydrophobic, breathable, and no lint, and are used for sterilized articles. Final packaging, one-time use, no need to clean.

2. Quality standard requirements for medical non-woven fabrics: medical non-woven fabrics used for final packaging materials for sterilized medical devices should comply with GB/T19633 and YY/T0698.2 specification requirements.

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 Instructions for use. The sterile items packaged by medical non-woven fabrics should be valid for 180 days and not affected by the sterilization method.

4. The non-woven fabrics used for packaging sterilized items should be added or subtracted at 50g/m2 5 grams is appropriate

5. When packaging surgical instruments with medical non-woven fabrics, the closed packaging method should be used. It should be packaged in 2 times by 2 layers of non-woven fabrics. Repeated folding can form a long tortuous path. To prevent microorganisms from 'simple' entering the sterilization bag, two layers of non-woven fabrics cannot be used for one packaging.

6. Medical non-woven fabrics are sterilized by high temperature, and their internal results will change, affecting sterilization The penetration and antibacterial functions of the medium, therefore, medical non-woven fabrics should not be reused for sterilization.

7. Because of 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, which easily causes wet wrapping. Therefore, pad water-absorbing materials in the large instrument bag, properly reduce the loading capacity of the sterilizer, leave space between the sterilization bags, and appropriately lengthen the drying time to avoid the occurrence of wet bags.

8, hydrogen peroxide Special non-woven fabrics should be used for low-temperature plasma, and medical non-woven fabrics containing plant fibers cannot be used, because plant fibers will absorb hydrogen peroxide.

9. Although 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 more important to ensure the sterility level.

10. Refer to the inspection report and product batch inspection report provided by the manufacturer, and inspect the physical and chemical properties of the medical non-woven fabric to ensure the quality of the used products.


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