Glossary
79
Glossary
Air leakage
An air leakage is a location through which air can
pass in and out without this being desired. Verifica-
tion of the leakage serves to prove that the volume
of air ingress in the chamber during the vacuum
phase does not exceed a value which would pre-
vent steam penetration of the sterilizer load and
that the air leakage does not cause the possible
contamination of the sterilizer load during the dry-
ing phase.
AKI
Abbr.: working group instrument preparation
( "Arbeitskreis Instrumentenaufbereitung")
Authorized personnel
An authorized personnel can be medical stockists,
depot technicians or MELAG-authorized customer
services trained by MELAG.
Batch
Collection of sterilization material which has been
processed together in the same sterilization pro-
gram.
BGV A1
BGV is the abbreviation for Berufsgenossenschaft-
liche Vorschriften (regulations from a professional
association). A1 stands for principles of prevention
Bowie & Dick test
Steam penetration test with a standard test pack-
age; described in DIN EN 285; the test is recog-
nized in the large-scale sterilization industry.
CF card
Abbr.: "Compact Flash Card"; a memory card for
digital data with a compact size. CF is a standard.
Condensate
Fluid (e.g. water) produced by the cooling of and
resultant separation from the vaporous state.
Conductivity
Conductivity is the opposite of electrical resistance;
measured in micro-Siemens/centimetre (µS/cm);
the greater the amount of dissolute matter in the
water, the better it can conduct electrical current
and thus the higher its conductivity.
Corrosion
The chemical alteration or destruction of metal ma-
terials by water and chemicals
Delay in boiling
This refers to the phenomenon that it is possible
under certain circumstances to heat a fluid beyond
its boiling point without them boiling. This repres-
ents an unstable state; even low-level agitation can
produce a large bubble within the shortest period,
which expands explosively.
Demineralized water
Water without the minerals usually found in normal
spring or tap water; is produced through ion ex-
change of normal tap water. It is used here as feed
water.
DGSV
Abbr.: Deutsche Gesellschaft für Sterilgutversor-
gung (German Society German Society for Sterile
Supply). The DSGV training centres are specified
in DIN 58946, part 6 as "Requirements of person-
nel".
DIN 58946-7
Standard – sterilization - steam steam sterilizers -
part 7: Building requirements and requirements
placed on the operating agents and the operation
of steam sterilizers in the health-care branch
DIN 58953
Standard – sterilization, sterile equipment supply
DIN EN 13060
Standard – small steam sterilizers
DIN EN 867-5
Standard – non-biological systems for use in steril-
izers – part 5: The determination of indicator sys-
tems and test bodies for the performance inspec-
tion of type B and type S small sterilizers.
DIN EN ISO 11140-1
Standard – the sterilization of products for use in
medical treatment – chemical indicators – part 1:
General requirements
DIN EN ISO 11607-1
Standard - packaging for medical devices to be
sterilized in the final packaging - Part 1: Require-
ments placed on materials, sterile barrier systems
and packaging systems
Distilled water
From the Latin aqua destillata; also referred to as
aqua dest; water which to a great extent is free
from salts, organic material and micro-organisms,
is produced from normal tap water or pre-cleaned
water through the process of distillation (evapora-
tion and subsequent condensation). It is used here
as feed water.
Double-jacket steam generator
Serves the quick generation of steam outside the
sterilization chamber, surrounds the sterilization
chamber
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