Success through partnership.
Testimonials from Industry and Science.
Gira: Openair Plasma in medical technology
Openair plasma in medical technology
Plasma jet during activation of a medical component
When plastics injection moulding is used to make components for medical
technology the greatest demands are made on dimensional and visual
quality. In a specific case of this application a subassembly composed
of several parts is substituted by a hybrid component made of plastic
(PC) and a metal sleeve (stainless steel) encapsulated therein.
Since this component conveys blood during a heart operation there must
be an absolutely leakproof joint between the two materials. In this case
Openair Plasma technology delivered the decisive factor for success.
For this purpose the metal sleeve is treated under fully automatic
control with plasma immediately prior to insertion.
Only by means of this process has success been achieved against such key
variables as shrinkage, minuscule air bubbles and gaps to provide an
absolutely leakproof liquid seal. Especially in the case of
sterilisation washes, which due to their extremely low viscosity can
yield negative test results even with the finest capillaries, it was
possible to demonstrate leakproofness. It was also possible to extend by
quite some way the previously extremely small process window of the
injection moulding process by using the plasma process. In this way it
further affords a clear contribution to better economic efficiency.
This together with the personal commitment of the staff looking after us
right through to the rapid and uncomplicated provision of test
installations round off the services provided by Plasmatreat and confirm
us in our decision to work with Openair Plasma technology.
Alfred A. Bulitz
Gira Giersiepen GmbH & Co. KG
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