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If you’ve read our latest blog post about enclosures for medical electronics , you’ll know that hospitals and surgeries can be a demanding environment. Devices must be robust, resilient and cytotoxically safe – and still remain aesthetically smart, despite all the intensive use they’re likely to receive.

This applies equally to the tuning knobs you’ll be specifying for the potentiometers inside these products. It would be more than inconvenient if a knob were to become detached from a medical device – it would be unthinkable.

So secure fixings are a vital consideration: remember, this is a sector that regards tamperproof Torx screws for enclosures as essential. Knobs must also be ergonomic and comfortable to use. And they must have clear, easy-to-read marking elements – medical emergencies are no time to be squinting at dials.

Illumination is another major consideration. Anyone who’s ever spent time in hospital will know that wards are not always well lit at night. The dazzling LED glare of A&E is one thing – the darkness of other wards is quite another.

Medical devices will be handled by multiple clinicians in contact with large numbers of patients so another key consideration on your list should be anti-bacterial protection. This can help to prevent the spread of healthcare-associated infections. HCAIs such as methicillin-resistant Staphylococcus aureus (MRSA) and Clostridium difficile (C. difficile) remain a major concern for hospitals: they pose a serious ongoing risk to patients, staff and visitors.