The W&H Assistina 3X3 instrument processing units and the new Lisa VA steriliser's universal B cycle are must-have tools for dental practitioners

1. ADVERTORIAL
34 Bite Magazine
Infection control guide
Product Guide
A vital requirement of maintaining
infection control in the dental setting is
the effective reprocessing (cleaning and
sterilisation) of reusable medical devices
(RMDs) such as surgical and clinical
restorative handpieces.1
According to
Australian Standards AS 4815, critical
and semi-critical RMDs must be cleaned
and sterilised in a steam steriliser using
the appropriate cycle, with critical RMDs
kept sterile in a pouch or similar, while AS
4187 states both critical AND semi-critical
need to be stored sterile in a pouch. If
the pouch or bag is torn or compromised,
the instrument must be reprocessed.
CLEANING
Sterilisation alone may not be effective
without prior cleaning with an appropriate
detergent to remove biofilm and other
contaminants from both the surface and the
inside of handpieces prior to sterilisation.
Currently only one device, the Assistina
3x3 instrument maintenance unit is able
to offer a repeatable and independently
verified instrument-cleaning process.2
Automated instrument processing
units (such as the Assistina 3x3
and the fast new Assistina TWIN)
are recommended by the ADA over
manual processing as they provide
more consistent results and avoid
over-oiling the instrument which can
interfere with the sterilisation process.
Assistina 3x3 uses W&H’s gentle,
slightly alkaline (pH 7.6) water-based
ActiveFluid™ prior to flushing and
lubrication. Importantly, ActiveFluid
contains an anionic surfactant, which is
ideal for cleaning and neutralising acidic
organic contaminants such as blood and
saliva while inhibiting the growth of
viruses and bacteria.
Meanwhile, the Assistina TWIN,
which uses innovative oil nebulisation
technology, can clean the coolant water
and coolant air lines and lubricate a
handpiece in just 10 seconds, eliminating
lubricant wastage and keeping costs
down to just a few cents per handpiece.
STERILISATION
Any errors in steriliser cycle selection
and air leaks in the steriliser chamber
can compromise infection control. The
new Lisa VA steriliser’s Universal B cycle
is suitable for all load types (solid, hollow,
porous), whether unwrapped, wrapped or
double-wrapped, ensuring ‘hospital grade’
sterilisation of all instruments.
The Lisa is the only benchtop steriliser
with an air leak detector to measure and
ensure steam saturation into instrument
lumens is achieved every cycle.
TRACEABILITY
In keeping with Australian Standards,AS
4815 & AS 4187 for cycle records, Lisa
automatically captures all cycle parameter
data including the operator who released
the load on internal memory and USB.
The Lisa can be connected to a
LisaSAFE barcode printer, which will only
produce BCI (batch control identification)
labels once the operator has released
the load for use after checking:
1. The correct cycle parameters have
been met (i.e. time, steam pressure
and temperature)
2. The load is dry
3. Any chemical indicators have
changed colour to indicate a pass.
The Lisa also has the option of operator
identification with password-protected
PIN number (electronic signature) for
accurate record keeping; as well as a
delayed start feature, which means the
test cycle/s can be completed prior to
staff arriving to the practice.
Running a sterilising cycle overnight
is also available with the Lisa software
switching the condenser fan on/off
when required to ensure a dry load at
release in the morning.The Lisa VA can
also be monitored in real time over
wireless on the free Lisa app for tablets
and smartphones, greatly streamlining the
management of the sterilisation process.
The W&H Assistina range and Lisa
sterilisers are exclusively available
from A-dec. Phone 1800 225 010
or visit A-dec.com to locate your
nearest A-dec dealer.
TheW&HAssistina 3x3 instrument processing units and the newLisaVA
steriliser’s Universal B cycle are must-have tools for dental practitioners
Infection control essentials
1
AustralianDentalAssociationInfectionControlGuidelines(3rdEd).2
TestingconductedonW&HAssistina3x3andverifiedbyRobertKochInstituteandSwissmedic
Below: Lisa VA steriliser fits
perfectly into your dental
practice. Right: Assistina 3x3
is a fully automatic cleaning
and maintenance unit for
dental handpieces.