In October 2019, the Association of German Engineers (VDI) published a new guideline on the purity of medical devices (VDI 2083 Blatt 21: 2019-10). In this article we inform customers and interested parties about essential aspects of the new directive.
In its recent issue from April 28th, 2020, the Badische Neusten Nachrichten (BNN) published an article very much worth reading about our involvement in the development of a procedure for the refurbishment of medical protective masks.
Given the continuing shortage of protection materials for hospital staff during the Corona crisis, Helios experts have in the past weeks developed a safe procedure for refurbishing FFP masks. Helios is making this method publically available, so that all medical staff can be supplied with sufficient protective materials.
It is often surprising for our customers if we find hard mineral particles on their components during residual dirt analysis. Customers ask: "How can that be? We were not able to determine anything in our own cleanliness tests. ”The question of contamination from hard minerals is so important because these particles have an abrasive effect and thus massively damage mechanical systems such as gears and motors.
The determination of technical cleanliness according to VDA-19.1 and ISO-16232 has become an integral part of quality control and error analysis - because the cleanliness of components is crucial for the quality and error-free functioning of the product. In addition to particles, film contamination is a problem, as the following example from quality assurance in the production of electrical drive systems shows.
In order to answer the question of the whereabouts of microplastic particles from tire abrasion, new analysis methods are urgently needed to reliably detect and count these particles. We conducted a pilot study to test the possibilities of automatic SEM-EDX analysis in the quantification of tire wear in environmental samples.
Heilbronn University has had a MicroQuick particle scanner from RJL Micro & Analytic GmbH since the beginning of this year. Prof. Dr. Katja Mannschreck from the process engineering and environmental technology course and her students have already successfully used the particle scanner in several projects.