Vacuum Drying of Steam Sterilized Dressings

Penikett, E. J. K.; Rowe, T. W. G.; Robson, Evelyn M.

doi:10.1111/j.1365-2672.1958.tb00145.x

Cited by 10 publications

(4 citation statements)

References 4 publications

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“…With the towels used in these experiments it was found that their moisture content averaged about 45 % before sterilization so that a gain in moisture of over 1-5% would mean that the towels would be subjectively damp (Penikett et al, 1958). Experiments with tightly packed drums containing 20 to 25 towels showed that the moisture gain was only slightly higher than that in loosely packed drums but that in the few experiments conducted with packs of eight towels wrapped in two similar towels the percentage moisture gain was much less than with drums.…”

Section: Resultsmentioning

confidence: 99%

“…Hg absolute (Penikett, Rowe, and Robson, 1958). However, these authors state that in their experiments the load achieved a moisture content of less than 5 % and was by their definition 'dry' when the pressure in the chamber was reduced to about 300 mm.…”

Section: The Degree Of After-vacuummentioning

confidence: 91%

“…BUCKET CALORIMETRY The method used was similar to that described by Penikett et al (1958) except that the steam in the chamber was sampled through a hole bored in the sterilizer door, the steam being led through a welllagged tube to a Dewar flask. The steam sampled from this site may well have given a lower dryness fraction than that which actually obtained in the chamber, due to the continual condensation of steam when it met the relatively cool door with the possible formation of some water fog at that point.…”

Section: The Degree Of After-vacuummentioning

confidence: 99%

“…Loads to be sterilized consisted of cotton huck towels placed in the dressing drum so that the folds lay in a vertical plane if downward displacement sterilization was being studied. In high vacuum studies the drums were placed on their base to reproduce the conditions used by Penikett et al (1958).…”

Section: The Degree Of After-vacuummentioning

confidence: 99%

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Factors concerned in the efficient steam sterilization of surgical dressings

Fallon¹

1961

J Clin Pathol

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(Knox, 1961). Since the original work of Knox and Penikett (1958) on the level of forevacuum to be employed in high pre-vacuum sterilization no detailed confirmation of their results has been presented, although suggestive supportive evidence is available (Magee and Oakes, 1958;Alder and Gillespie, 1959; Wells and Whitwell, 1960).A high pre-vacuum contributes to the efficient steam sterilization of dressings, i.e., a process which produces a dry, sterile load in the shortest possible time without damage to the load. Other factors which contribute to efficiency are effective drying of the load with which must be bracketed a good supply of dry, saturated steam, prevention of the load being recontaminated by unsterile air at the end of the process, and finally any modification to a sterilizer which increases its rate of turnover.In the present study the factors concerned with the efficiency of such sterilizers which have been considered are: Speed of sterilization in relation to whether a sterilizer should be jacketed or unjacketed,

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Section: Resultsmentioning

confidence: 99%

Section: The Degree Of After-vacuummentioning

confidence: 91%

Section: The Degree Of After-vacuummentioning

confidence: 99%

Section: The Degree Of After-vacuummentioning

confidence: 99%

See 2 more Smart Citations