Feature Articles

Leak Testing Medical Devices
Products and packaging require leak detection for quality assurance. This article compares and contrasts the two commonly used methods of pressure decay and trace gas testing and provides examples of using these techniques on a catheter and a sealed, impermeable pack.

Stroke Diagnosis with Lab-on-a-Chip
A magnetic-based sensing platform with increased sensitivity has been developed for integration into lab-on-a-chip systems. The methodology consists of moving the magnetic particles to the most sensitive spot of the sensor. To demonstrate its effectiveness, the protein S100ßß, a diagnostic marker for stroke, was used as target protein.

Patient Protection at Risk in
IEC 60601-1 3rd Edition
Engineers developing medical electrical equipment in accordance with IEC 60601-1 3rd edition are in immediate need of short- and long-term solutions to avoid potentially hazardous designs as a result of misinterpretation of the requirements. Several options are described to ensure consistency and safety of devices.

The Benefits of the Spring
The simple canted-coil spring may be the answer to manufacturers’ device fastening difficulties. Real-world and conceptual applications are described to illustrate the functional capabilities on offer.

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 People on the Move

New Managing Director for Arrow Medical
Rita Didcock has been appointed Managing Director at Arrow Medical Ltd, a specialist contract medical manufacturer. Didcock will manage the Kington, UK, facility whilst working with Chief Executive Officer Graham Jarrett and New Product Development Director John Johnson. Didcock has worked for Arrow for 12 years and has been Production Director since 2006.

New Corporate Director Materials at Bühler Motor
Bühler Motor has named Richard Söderström as Corporate Director Materials. Söderström has a background in electrical engineering and is familiar with all aspects of design and production of DC motors. The main focus of his work will be ongoing support and further development of international suppliers.

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