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A gaseous method for sterilizing medical instruments

  • Research, Design, And Technology
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Biomedical Engineering Aims and scope

Conclusions

1. The gaseous method can be used to sterilize medical articles made of various thermolabile materials and contained in a two-layer wrapping of high-quality paper and polyethylene.

2. Sterilization of medical articles in gas sterilizers having a volume of 10 liters is effected at room temperature and at a humidity of 80–100%. The gas used is either pure ethylene oxide at a concentration of 2500 mg/liter, or the OB mixture at 3500 mg/liter for 14 h.

3. Sterilization of plastic items in a gas sterilizer of volume 250 liters is carried out at 55° and 80–100% humidity with 3000 mg/liter of a mixture of OB and OKÉBM for 5 h; for rubber articles the same gases are used at 2500 mg/liter for 3 h.

4. The physicomechanical properties of plastic and rubber articles remain almost unchanged after sterilization with ethylene oxide or ethylene oxide and methyl bromide.

5. Sterilization with gaseous mixtures leads to sorption of the gas by the material treated. Desorption is brought about simply by exposure to room air at atmospheric pressure. The time required depends on the material and the use to which it will be put.

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Authors
  1. V. I. Vashkov
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  2. N. V. Kareev
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  3. N. V. Ramkova
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  4. L. B. Chudnova
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Additional information

All-Union Scientific-Research Institute of Disinfection and Sterilization, Moscow. Translated from Meditsinskaya Tekhnika, No. 6, pp. 18–21, November–December, 1974.

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Vashkov, V.I., Kareev, N.V., Ramkova, N.V. et al. A gaseous method for sterilizing medical instruments. Biomed Eng 8, 341–343 (1974). https://doi.org/10.1007/BF00566462

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  • DOI: https://doi.org/10.1007/BF00566462

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