Device companies commonly install memory chips in a disposable or semi-reusable attachment within a product assembly . Attachment examples include single-use medical diagnostic sensors, reusable monitoring probes, disposable catheters and plug in tools having limited cutting, connection or sterilizing cycles. The memory chip provides information about the attachment to a hosting device that controls or operates the attachment. This stored information may include the attachment’s number of connections or uses, calibration coefficients  and the manufacturer or patient identification and date. This attachment data can then be used to enforce product requirements regarding reliability, accuracy, safety and brand [3,4]. For example, the host device can alarm the user, shutdown, or prevent attachment operation when the memory data is outside the product’s validated or tested limits.
Miniature Coupled Inductor Coils Enable Remote, Wireless and Secure Product Authentication
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Myers, D, Davis, M, & Ladwig, P. "Miniature Coupled Inductor Coils Enable Remote, Wireless and Secure Product Authentication." Proceedings of the 2018 Design of Medical Devices Conference. 2018 Design of Medical Devices Conference. Minneapolis, Minnesota, USA. April 9–12, 2018. V001T06A001. ASME. https://doi.org/10.1115/DMD2018-6888
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