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Cross non woven fabric/ Cambrella Fabric
Five important considerations for choosing medical non-woven fabrics
by：Sunshine
2021-04-04
With the industry's deeper and deeper understanding of medical packaging materials, non-woven fabrics have been used more and more as sterile packaging materials. There are many technical considerations behind the choice of a packaging material. Here are five important factors to share with you (see the figure below).
1. An effective microbial barrier provides long-term aseptic effectiveness. In China, Staphylococcus aureus droplets are commonly used for wetness testing, and quartz powder mixed with spores of Bacteroides spp. Foreign testing institutions such as the Nelson Laboratory in the United States and ISEGA in Europe use aerosol methods for testing. The aerosol method takes into account the kinetic energy factor, which poses a higher challenge to the inspection of the sterility effectiveness of packaging materials.
2. The effective sterilization factor penetrates to ensure the thoroughness of sterilization. Barrier and penetration are a contradiction, but a good barrier should not hinder the effective penetration of sterilization factors. Because it is impossible to sterilize thoroughly, keeping the surgical instruments aseptic afterwards becomes a tree without roots.
3. Good flexibility, taking care of the convenience of use. Some brands of non-woven fabrics add plant fibers to improve the feel, but it is worth noting that this non-woven fabric may not be suitable for plasma sterilization. Plant fiber will adsorb hydrogen peroxide and cause sterilization failure, and residual hydrogen peroxide may also cause occupational injuries such as burns.
4. It is non-toxic and harmless, and has no residual sterilization factor, providing safety guarantee for both doctors and patients. This includes not only the packaging material itself does not have irritation, but also includes the non-adsorption of sterilization factors. For low-temperature sterilization, the sterilizing agents are toxic, so packaging materials are required not to leave a large amount of sterilizing agents.
5. The excellent mechanical strength allows the surgical kit to be transported safely. Sterilization packages will face challenges from various external forces during transportation. This requires medical packaging materials to have a certain degree of tensile strength, tear strength, burst strength and abrasion resistance to cope with environmental or operational problems. challenge.
1. An effective microbial barrier provides long-term aseptic effectiveness. In China, Staphylococcus aureus droplets are commonly used for wetness testing, and quartz powder mixed with spores of Bacteroides spp. Foreign testing institutions such as the Nelson Laboratory in the United States and ISEGA in Europe use aerosol methods for testing. The aerosol method takes into account the kinetic energy factor, which poses a higher challenge to the inspection of the sterility effectiveness of packaging materials.
2. The effective sterilization factor penetrates to ensure the thoroughness of sterilization. Barrier and penetration are a contradiction, but a good barrier should not hinder the effective penetration of sterilization factors. Because it is impossible to sterilize thoroughly, keeping the surgical instruments aseptic afterwards becomes a tree without roots.
3. Good flexibility, taking care of the convenience of use. Some brands of non-woven fabrics add plant fibers to improve the feel, but it is worth noting that this non-woven fabric may not be suitable for plasma sterilization. Plant fiber will adsorb hydrogen peroxide and cause sterilization failure, and residual hydrogen peroxide may also cause occupational injuries such as burns.
4. It is non-toxic and harmless, and has no residual sterilization factor, providing safety guarantee for both doctors and patients. This includes not only the packaging material itself does not have irritation, but also includes the non-adsorption of sterilization factors. For low-temperature sterilization, the sterilizing agents are toxic, so packaging materials are required not to leave a large amount of sterilizing agents.
5. The excellent mechanical strength allows the surgical kit to be transported safely. Sterilization packages will face challenges from various external forces during transportation. This requires medical packaging materials to have a certain degree of tensile strength, tear strength, burst strength and abrasion resistance to cope with environmental or operational problems. challenge.
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