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WILLIAM C. BECK, MD
Sayer, Pa

Arch Surg. 1981;116(9):1239.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.—In the February 1981 issue of the ARCHIVES, I was the author of an article entitled "Aseptic Barriers in Surgery: Their Present Status" (1981;116:240-244). In this article, I made the statement that vulcanized patches were not acceptable because they are impenetrable to steam. This has been called to my attention as an error.

Quite a few years ago, I tested the patching material and found it to be a barrier to steam. I have, therefore, tested it again and found that my assumption is now incorrect. The patching material is permeable to both steam and ethylene oxide.

The tests were carried out very simply. A piece of wide patching material was folded back on tests and the sides were sealed by heat treatment to form a pocket. Into this pocket spore strips and an integrator were placed. The end was then sealed. A small piece of wood . . . [Full Text PDF of this Article]

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