Design guidelines for quartz crystals in implantable medical device applications

Author : Andy Treble, Euroquartz Group

01 August 2016

These days, we take for granted the use of quartz crystals in many implantable medical device applications.

From cardiac rhythm management to neuromodulators, medical RF telemetry and infusion pumps to orthopaedic implants, diabetes control and patient monitoring systems and, more recently, retinal and glaucoma implants.

However, the design of crystals for medical implant applications requires an approach that not only focuses on performance, but every aspect of reliability. Each crystal will be pre-aged before testing is undertaken, primarily by subjecting it to a heat process for 24 to 48 hours to stabilise the crystal and remove initial short term ageing characteristics.

Read the full article with accompanying graphics in the digi-issue here.

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