Pure brilliance for medical technology

"Plasma polishing is our newest surface treatment. It is used for the highest demands on the quality of the surface and its purity. This particularly gentle process has already convinced a number of Swiss medtech customers," explains Serge Wainsenker, Managing Director of BWB-Ampho.

#Medical technology #Plasma and electrochemical polishing 

Ansprechperson Beitrag

Serge Wainsenker

Managing Director


Since spring 2020, BWB-Ampho has been offering the innovative process. The order volume exceeded expectations after commissioning of the plasma polishing system. The process is particularly popular in medical technology, where quality standards are especially high. By means of stable processes in accordance with ISO 13485, these quality requirements are recorded, controlled and continuously improved.

Electrolytic plasma polishing offers various advantages over classic electropolishing in the manufacture of hip joints, for example: “Our customers appreciate the purity of the surface and the geometric fidelity, which is maintained thanks to minimal layer removal. This means that even complex or delicate components can be optimally processed,” says Wainsenker.

The gentle process is also exceptionally efficient: the hip joints can be polished, deburred and cleaned in just one operation. For post-treatment, rinsing with water is sufficient, as the process works free of environmentally harmful substances.

"We studied electrolytic plasma polishing in detail before making the investment and are now one of only a few suppliers in Switzerland. As a result, we are now receiving orders from all over Switzerland," reveals Wainsenker, adding: "The process is ideal for applications in medical technology. After treatment, the parts are protected against corrosion, have a smooth and easy-to-clean surface and are guaranteed to be free of sharp corners and edges."

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