Hudson Sprayer partsList

Hudson SprayerReplacementparts

Microbiological tests were carried out to evaluate a new chlorine dioxide sterilant: Tristel OneShot. Preliminary in vitro suspension tests showed that solutions containing around 140 ppm chlorine dioxide achieved a reduction factor exceeding 10(6) of Staphylococcus aureus in 1min and of Bacillus subtilis spores in 2.5 min in the presence of 3g/L bovine albumin. Subsequent tests evaluated the effectiveness of Tristel One-Shot in a Medivator washer/disinfector fitted with a Tristel Generator for processing flexible endoscopes. Each test run involved three stages. In the first, the instrument and air-water channels of a gastroscope were inoculated with a suspension of Pseudomonas aeruginosa (10(8)cfu/ml) in 10% sodium glutamate and serum (0, 5 or 10%) and then drained, partially dried, and saline flushed through for total viable counts (TVCs). In the second stage, the channels were re-inoculated with test organisms; detergent was flushed through the channels which were then brushed; and saline was flushed through for TVCs. In the third stage, the channels were re-inoculated; detergent was flushed through the channels which were then brushed; the endoscope was processed in the Medivator; and saline was flushed through for TVCs. Carrying out all three stages enabled determination of (1) the contribution played by manual cleaning of channels prior to processing in the Medivator, and (2) the combined effect of manual cleaning followed by processing. Two series of test runs were done. In the first, the Tristel Generator was set to generate 230ppm chlorine dioxide, and in the second 150ppm. In the first, cleaning followed by processing in the Medivator consistently achieved a >/= 10(6)-fold reduction of test organisms, and in the second a >/= 10(5)-fold reduction. Pre-cleaning of channels was very important-when done the initial concentration of serum in the inoculum (0-10%) had no affect on the results obtained after processing.

Hudson Backpack Sprayer parts diagram

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