The role of chemical indicator card in pulsating vacuum pressure steam sterilizer

After the sterilization effect monitoring of 6480 pots was performed, the pass rate of the chemical indicating tape outside the package was 100%, and the chemical indicator card inside the package was discolored 5 times, the pass rate was 99.9%. The temperature recorded by the thermometer and the pressure inside the cabinet were left The temperature of the table does not match 12 times, and the pass rate is 99.8%. All 720 samples of biological monitoring have no bacterial growth, and the pass rate is 100%.

The monitoring results show that the pulsating vacuum pressure steam sterilizer in our hospital is basically in a good state of operation and the test results are satisfactory. A small number of unqualified monitoring find out the reasons in a timely manner and improve. The remaining thermometer can only indicate the maximum temperature reached, and it cannot reflect the time the maximum temperature is maintained. When the temperature gauge inside the cabinet does not match the remaining thermometer, it means that the temperature gauge has malfunctioned and should be repaired in time.

The chemical indicator card (agent) under the pulsating vacuum pressure steam sterilizing saturated steam condition, a complete change of 3mni is maintained at 134-137°C, which reflects the temperature of the place where the monitored article is placed and the duration of the temperature has reached the minimum sterilization. The required parameters. The non-uniform discoloration of the chemical indicator card is due to the fact that the indicator card is attached to the surface of the metal, glass, or other material that is likely to form condensation water, and is wetted by the condensed water, causing the chemical reagent to lose its accuracy; secondly, the indicator card is placed. In the covered porcelain cylinder, it affects the entering of steam and the air discharge; Third, the loading and unloading requirements are unreasonable, the size of the dressing bag is not standardized, and the package is too large, too tight, too crowded, so that the steam penetration is hindered and the impact is eliminated. Bacteria effect; Fourth, the cabinet temperature is low or the role of time is insufficient.

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