Ten little knowledge about medical non-woven fabrics1

With the continuous innovation and rapid development of packaging materials for sterilized items, medical non-woven fabrics have been continuously entered into the disinfection supply centers of various types of hospitals as packaging materials for sterilized items. The quality of medical non-woven fabrics has always been an issue that the society pays more attention to. Below, Xinyu Non-woven will tell you ten common senses about medical non-woven fabrics.

1. Medical non-woven fabrics are different from general non-woven fabrics and composite non-woven fabrics. General non-woven fabrics do not have antibacterial properties; composite non-woven fabrics have good waterproof effect and poor air permeability, and are generally used for surgical gowns and surgical bed cloths; medical non-woven fabrics are made of spunbond, meltblown, and spunbond (SMS). It is formed by lamination and has the characteristics of antibacterial, hydrophobic, breathable, and dander-free. It is used for final packaging of sterilized items, one-time use without cleaning.

2. Quality standard requirements for medical non-woven fabrics: The medical non-woven fabrics used for the final packaging materials of sterilized medical devices should meet the standard requirements of GB/T19633 and YY/T0698.2.

3. The validity period of non-woven fabrics is: the validity period of medical non-woven fabrics is generally 2 to 3 years, and the validity period of products of 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. The non-woven fabric used for packaging sterilized items should be 50g/m2 plus or minus 5 grams.

5. When packaging surgical instruments with medical non-woven fabrics, the closed packaging method should be used. Two layers of non-woven fabrics should be packaged in two times. Repeated folding can form a long tortuous path to avoid microbial 'easy' 'Into the sterilization package, it cannot be packaged once with 2 layers of non-woven fabrics.

6. When the medical non-woven fabric is sterilized by high temperature, its internal performance will change, which will affect the penetration and antibacterial properties of the sterilization medium. Therefore, the medical non-woven fabric should not be used for repeated sterilization.

7. Due to the hydrophobic properties of non-woven fabrics, excessive and heavy metal instruments are sterilized by high temperature, and condensed water is formed during the cooling process, which is prone to wet wrapping. 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, and properly extend the drying time, so as to avoid the occurrence of wet bags as much as possible.

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.

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 their packaging methods are crucial to ensuring sterility. important.

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