An indicator sheet for an autoclave test pack

摘要

PCT No. PCT/GB87/00125 Sec. 371 Date Sep. 7, 1988 Sec. 102(e) Date Sep. 7, 1988 PCT Filed Feb. 20, 1987 PCT Pub. No. WO87/04931 PCT Pub. Date Aug. 27, 1987.An indicator sheet for an autoclave test pack wherein a pair of porous masses (10) are held in close superimposed relationship by means of a clamp (13) with the indicator sheet (12) sandwiched between them. The indicator sheet (12) has printed thereon a pattern of markings (14) formed from one or more substances which are adapted under steam sterilizing conditions to provide an indication of the presence of air and/or excessive moisture such that each is evident and individually identifiable.