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11. TEST PROGRAMS
TEST PROGRAMS
INTRODUCTION
To protect the safety of users and patients, a fundamental process like sterilizing medical
devices should be periodically checked.
In this regard, Millennium B+ offers the possibility of, simply and automatically, executing two
distinct test programs:
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HELIX/BD Test
Vacuum Test
The HELIX/BD Test program executes a cycle at 134 °C characterized, however, by a
sterilization phase of a particular duration (3.5 min); the cycle has a fractionated vacuum
phase similar to that used in the POROUS and HOLLOW programs.
Using a suitable device, it is possible to evaluate the correct penetration of the steam inside
hollow loads (see the following paragraph).
This cycle is also suitable for measuring the penetration of the steam inside porous loads
(Bowie & Dick test pack).
On the other hand, the Vacuum Test program allows checking the perfect seal of the
sterilizer's entire plumbing system.
By measuring the variation in the degree of vacuum in a certain span of time and comparing it
with pre-set limit values, it is possible to determine the effectiveness of the seal of the
sterilization chamber, the various tubes and the cut-off devices.
HELIX/BD TEST
To select the HELIX/BD Test program, press the Test Selection key one or two times until
the display reads:
H E L I X / B D T E S T 1 3 4 . 0 ° C 2 . 1 5 b a r 0 3 : 3 0 The test device (in accordance with the requirements of standard EN 867-5) is a 1.5-m tube
made of PTFE with an internal diameter of 2 mm, with a small sealed screw capsule attached
to one end, capable of holding a suitable amount of chemical. The other end of the tube is left
free to allow the penetration of the steam and evaluate its effectiveness.
To execute the test (in reference to standard EN 13060) insert the chemical indicator, which
consists of a strip of paper with a special reagent ink, inside the capsule of the device (which is
always to be used perfectly dry). Tighten the capsule so that seepage through the gasket seal
will not be possible.
NOTE
THE DEVICE AND CHEMICAL INDICATORS FOR RUNNING THE HELIX/BD TEST PROGRAM
ARE NOT SUPPLIED WITH THE DEVICE. TO REQUEST INFORMATION IN THIS REGARD,
CONTACT M.O.COM.'S CUSTOMER SUPPORT DEPARTMENT (SEE APPENDIX Z).
Place the device on the device's central tray, approximately in the middle. Do not put any
other material inside the chamber.
Close the door and start the program with the START key.
NOTE
IF A PASSWORD HAS BEEN SET WITH THE ANY CYCLE START OPTION (SEE THE
CHAPTER, CONFIGURATION, SETTING THE PASSWORD), YOU WILL BE ASKED TO ENTER
THE ACCESS CODE.
IN ADDITION, THE EQUIPMENT CHECKS THE PRINTER PAPER PRESENCE (OPTIONAL).
THE
POSSIBLE WARNING MESSAGES, AND THE CONSEQUENT ACTIONS TO CARRY OUT,
ARE THE SAME AS DESCRIBED FOR A STANDARD STERILIZATION CYCLE.
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